LWTools: lwcc/driver-main.c annotate

annotate lwcc/driver-main.c @ 574:a0c9433dc0d4 default tip

Updated submission guidelines including notes about evangelism. TLDR: Don't.

author	William Astle <lost@l-w.ca>
date	Mon, 04 Mar 2024 10:10:38 -0700
parents	16bd8effb2f6
children

rev	line source
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1 /*
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	2 lwcc/driver/main.c
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	3
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	4 Copyright © 2013 William Astle
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	5
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	6 This file is part of LWTOOLS.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	7
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	8 LWTOOLS is free software: you can redistribute it and/or modify it under the
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	9 terms of the GNU General Public License as published by the Free Software
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	10 Foundation, either version 3 of the License, or (at your option) any later
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	11 version.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	12
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	13 This program is distributed in the hope that it will be useful, but WITHOUT
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	16 more details.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	17
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	18 You should have received a copy of the GNU General Public License along with
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	19 this program. If not, see <http://www.gnu.org/licenses/>.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	20 */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	21
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	22 #include <errno.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	23 #include <signal.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	24 #include <stdarg.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	25 #include <stdio.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	26 #include <stdlib.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	27 #include <string.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	28 #include <sys/types.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	29 #include <sys/wait.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	30 #include <unistd.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	31
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	32 #include <lw_alloc.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	33 #include <lw_string.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	34 #include <lw_stringlist.h>
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	35
496 a38542cf4cc6 Make lwcc stuff compile (on Linux anyway) William Astle <lost@l-w.ca> parents: 295 diff changeset	36 #include <version.h>
a38542cf4cc6 Make lwcc stuff compile (on Linux anyway) William Astle <lost@l-w.ca> parents: 295 diff changeset	37
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	38 #define VERSTRING "lwcc from " PACKAGE_STRING
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	39 #define S(x) S2(x)
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	40 #define S2(x) #x
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	41
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	42 #define BASEDIR S(LWCC_LIBDIR)
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	43
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	44 /* list of compilation phases */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	45 enum phase_t {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	46 PHASE_DEFAULT = 0,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	47 PHASE_PREPROCESS,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	48 PHASE_COMPILE,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	49 PHASE_ASSEMBLE,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	50 PHASE_LINK
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	51 };
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	52
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	53 /* these are the names of various programs the compiler calls */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	54 const char *linker_program_name = "lwlink";
504 16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	55 const char *compiler_program_name = "lwcc-cc";
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	56 const char *assembler_program_name = "lwasm";
504 16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	57 const char *preprocessor_program_name = "lwcc-cpp";
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	58
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	59 /* this will be set to the directory where temporary files get created */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	60 const char *temp_directory = NULL;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	61
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	62 /* these are for book keeping if we get interrupted - the volatile and atomic
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	63 types are needed because they are accessed in a signal handler */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	64 static volatile sig_atomic_t sigterm_received = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	65 static volatile sig_atomic_t child_pid = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	66
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	67 /* path specified with --sysroot */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	68 const char *sysroot = "";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	69 /* path specified with -isysroot */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	70 const char *isysroot = NULL;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	71
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	72 /* record which phase to stop after for -c, -E, and -S */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	73 /* default is to stop after PHASE_LINK */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	74 static int stop_after = PHASE_DEFAULT;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	75
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	76 int nostdinc = 0; // set if -nostdinc is specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	77 int nostartfiles = 0; // set if -nostartfiles is specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	78 int nostdlib = 0; // set if -nostdlib is specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	79 int verbose_mode = 0; // set to number of --verbose arguments
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	80 int save_temps = 0; // set if -save-temps is specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	81 int debug_mode = 0; // set if -g specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	82 int pic_mode = 0; // set to 1 if -fpic, 2 if -fPIC; last one specified wins
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	83 const char *output_file; // set to the value of the -o option (output file)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	84
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	85 /* compiler base directory - from -B */
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	86 const char *basedir = BASEDIR;
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	87
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	88 /* used to ensure a unique temporary file at every stage */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	89 static int file_counter = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	90
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	91 /* these are various string lists used to keep track of things, mostly
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	92 command line arguments. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	93
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	94 lw_stringlist_t input_files; // input files from command line
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	95 lw_stringlist_t runtime_dirs; // directories to search for runtime files
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	96 lw_stringlist_t lib_dirs; // directories to search for library files
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	97 lw_stringlist_t program_dirs; // directories to search for compiler program components
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	98 lw_stringlist_t preproc_args; // recorded arguments to pass through to the preprocessor
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	99 lw_stringlist_t include_dirs; // include paths specified with -I
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	100 lw_stringlist_t includes; // include paths specified with -include
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	101 lw_stringlist_t user_sysincdirs; // include paths specified with -isystem
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	102 lw_stringlist_t asm_args; // recorded arguments to pass through to the assembler
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	103 lw_stringlist_t linker_args; // recorded arguments to pass through to the linker
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	104 lw_stringlist_t sysincdirs; // the standard system include directories
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	105 lw_stringlist_t tempfiles; // a list of temporary files created which need to be cleaned up
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	106 lw_stringlist_t compiler_args; // recorded arguments to pass through to the compiler
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	107 lw_stringlist_t priv_sysincdirs; // system include directories for lwcc itself
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	108
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	109 /* forward delcarations */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	110 static void parse_command_line(int, char **);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	111
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	112 /* signal handler for SIGTERM - all it does is record the fact that
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	113 SIGTERM happened and propagate the signal to whatever child process
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	114 might currently be running */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	115 static void exit_on_signal(int sig)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	116 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	117 sigterm_received = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	118 if (child_pid)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	119 kill(child_pid, SIGTERM);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	120 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	121
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	122 /* utility function to carp about an error condition and bail */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	123 void do_error(const char *f, ...)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	124 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	125 va_list arg;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	126 va_start(arg, f);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	127 fprintf(stderr, "ERROR: ");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	128 vfprintf(stderr, f, arg);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	129 putc('\n', stderr);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	130 va_end(arg);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	131 exit(1);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	132 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	133
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	134 /* utility function to carp about some condition; do not bail */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	135 void do_warning(const char *f, ...)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	136 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	137 va_list arg;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	138 va_start(arg, f);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	139 fprintf(stderr, "WARNING: ");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	140 vfprintf(stderr, f, arg);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	141 putc('\n', stderr);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	142 va_end(arg);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	143 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	144
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	145 /* utility function to print out an array of strings - stops at the first
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	146 NULL string pointer. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	147 static void print_array(char **arr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	148 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	149 int c = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	150 while (*arr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	151 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	152 if (c)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	153 printf(" ");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	154 printf("%s", *arr);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	155 arr++;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	156 c = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	157 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	158 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	159
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	160 /* expand any search path entries to reflect the sysroot and
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	161 isysroot settings. Note that it does NOT apply to the compiler
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	162 program search path */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	163 static void expand_sysroot(void)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	164 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	165 /* list of path lists to process for replacements of = */
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	166 lw_stringlist_t *lists[] = { &sysincdirs, &include_dirs, &user_sysincdirs, &lib_dirs, NULL };
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	167 /* list of replacement strings for = in the same order */
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	168 const char *sysroots[] = { isysroot, isysroot, isysroot, sysroot, NULL };
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	169 size_t i, sysroot_len, value_len;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	170 char *path;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	171 lw_stringlist_t newlist;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	172 lw_stringlist_t working;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	173 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	174
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	175 /* for each list, run through entry by entry, do any needed replacement
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	176 and add the entry to a new list. Then replace the old list with the
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	177 new one. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	178 for (i = 0; lists[i] != NULL; i++)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	179 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	180 working = *lists[i];
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	181 newlist = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	182
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	183 lw_stringlist_reset(working);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	184 for (s = lw_stringlist_current(working); s; s = lw_stringlist_next(working))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	185 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	186 if (s[0] == '=')
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	187 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	188 sysroot_len = strlen(sysroots[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	189 value_len = strlen(s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	190 /* note that the skipped = will make up for the trailing NUL */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	191 path = lw_alloc(sysroot_len + value_len);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	192 memcpy(path, sysroots[i], sysroot_len);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	193 /* the +1 here will copy the trailing NUL */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	194 memcpy(path + sysroot_len, s + 1, value_len);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	195 lw_stringlist_addstring(newlist, path);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	196 lw_free(path);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	197 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	198 else
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	199 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	200 lw_stringlist_addstring(newlist, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	201 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	202 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	203 lw_stringlist_destroy(working);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	204 *lists[i] = newlist;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	205 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	206 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	207
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	208 /* look for file fn in path list p which is okay for access mode mode.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	209 Return a string allocated by lw_alloc. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	210 static char find_file(const char fn, lw_stringlist_t p, int mode)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	211 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	212 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	213 char *f;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	214 size_t lf, lp;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	215 int need_slash;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	216
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	217 lf = strlen(fn);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	218 lw_stringlist_reset(p);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	219 for (s = lw_stringlist_current(p); s; s = lw_stringlist_next(p))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	220 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	221 lp = strlen(s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	222 need_slash = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	223 if (lp && s[lp - 1] == '/')
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	224 need_slash = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	225 f = lw_alloc(lp + lf + need_slash + 1);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	226 memcpy(f, s, lp);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	227 if (need_slash)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	228 f[lp] = '/';
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	229 /* +1 gets the NUL */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	230 memcpy(f + lp + need_slash, fn, lf + 1);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	231 if (access(f, mode) == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	232 return f;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	233 lw_free(f);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	234 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	235 /* if not found anywhere, try the bare filename - it might work */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	236 return lw_strdup(fn);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	237 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	238
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	239 /* take a string list which contains an argv and execute the specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	240 program */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	241 static int execute_program(lw_stringlist_t args)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	242 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	243 int argc;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	244 char **argv;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	245 int result;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	246 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	247
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	248 argc = lw_stringlist_nstrings(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	249 argv = lw_alloc(sizeof(char ) (argc + 1));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	250 lw_stringlist_reset(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	251 for (result = 0, s = lw_stringlist_current(args); s; s = lw_stringlist_next(args))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	252 {
504 16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	253 argv[result++] = s;
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	254 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	255 argv[result] = NULL;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	256
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	257 if (verbose_mode)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	258 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	259 printf("Executing ");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	260 print_array(argv);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	261 printf("\n");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	262 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	263
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	264 /* bail now if a signal happened */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	265 if (sigterm_received)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	266 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	267 lw_free(argv);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	268 return 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	269 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	270
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	271 /* make sure stdio has flushed everything so that output from the
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	272 child process doesn't get intermingled */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	273 fflush(NULL);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	274
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	275 /* now make the child process */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	276 child_pid = fork();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	277 if (child_pid == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	278 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	279 /* child process */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	280 /* try executing program */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	281 execvp(argv[0], argv);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	282 /* only way to get here is if execvp() failed so carp about it and exit */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	283 fprintf(stderr, "Exec of %s failed: %s", argv[0], strerror(errno));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	284 /* exit with failure but don't call any atexit(), etc., functions */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	285 _exit(127);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	286 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	287 else if (child_pid == -1)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	288 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	289 /* failure to make child process */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	290 do_error("Failed to execute program %s: %s", argv[0], strerror(errno));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	291 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	292 /* clean up argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	293 lw_free(argv);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	294
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	295 /* parent process - wait for child to exit */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	296 while (waitpid(child_pid, &result, 0) == -1 && errno == EINTR)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	297 /* do nothing */;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	298 /* fetch actual return status */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	299 result = WEXITSTATUS(result);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	300 if (result)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	301 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	302 /* carp about non-zero return status */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	303 do_error("%s terminated with status %d", argv[0], result);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	304 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	305 /* return nonzero if signalled to exit */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	306 return sigterm_received;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	307 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	308
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	309 /*
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	310 construct an output file name as follows:
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	311
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	312 1. if it is the last phase of compilation and an output file name is
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	313 specified, use that if not specified
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	314 2. if it is the last phase or we are saving temporary files, any suffix
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	315 on f is removed and replaced with nsuffix
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	316 3. otherwise, a temporary file is created. If necessary, a temporary
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	317 directory is created to hold the temporary file. The name of the temporary
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	318 file is recorded in the tempfiles string list for later cleanup. The name
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	319 of the temporary directory is recorded in temp_directory for later cleanup.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	320 */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	321 static char output_name(const char f, const char *nsuffix, int last)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	322 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	323 const char *osuffix;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	324 char *name;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	325 size_t lf, ls, len;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	326 int counter_len;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	327
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	328 /* get a new file counter */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	329 file_counter++;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	330
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	331 /* if the output was specified, use it */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	332 if (last && output_file)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	333 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	334 return lw_strdup(output_file);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	335 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	336
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	337 /* find the start of the old suffix */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	338 osuffix = strrchr(f, '.');
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	339 if (osuffix != NULL && strchr(osuffix, '/') != NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	340 osuffix = NULL;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	341 if (osuffix == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	342 osuffix = f + strlen(f);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	343
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	344 ls = strlen(nsuffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	345
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	346 /* if this is the last stage or we're saving temps, use a name derived
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	347 from the original file name by replacing the suffix with nsuffix */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	348 if (save_temps \|\| last)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	349 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	350 lf = osuffix - f;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	351 name = lw_alloc(lf + ls + 1);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	352 memcpy(name, f, lf);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	353 /* note that the +1 will copy the trailing NUL */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	354 memcpy(name + lf, nsuffix, ls + 1);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	355 return name;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	356 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	357
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	358 /* finally, use a temporary file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	359 if (temp_directory == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	360 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	361 /* if we haven't already made a temporary directory, do so */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	362 const char *dirtempl;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	363 char *path;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	364 size_t dirtempl_len;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	365 int need_slash;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	366
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	367 /* look for a TMPFIR environment variable and use that if present
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	368 but use /tmp as a fallback */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	369 dirtempl = getenv("TMPDIR");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	370 if (dirtempl == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	371 dirtempl = "/tmp";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	372 dirtempl_len = strlen(dirtempl);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	373 /* work out if we need to add a slash on the end of the directory */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	374 if (dirtempl_len && dirtempl[dirtempl_len - 1] == '/')
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	375 need_slash = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	376 else
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	377 need_slash = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	378 /* make a string of the form <tempdir>/lwcc-XXXXXX */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	379 path = lw_alloc(dirtempl_len + need_slash + 11 + 1);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	380 memcpy(path, dirtempl, dirtempl_len);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	381 if (need_slash)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	382 path[dirtempl_len] = '/';
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	383 memcpy(path + dirtempl_len + need_slash, "lwcc-XXXXXX", 12);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	384 /* now make a temporary directory */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	385 if (mkdtemp(path) == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	386 do_error("mkdtemp failed: %s", strerror(errno));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	387 /* record the temporary directory name */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	388 temp_directory = path;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	389 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	390 /* now create a file name in the temporary directory. The strategy here
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	391 uses a counter that is passed along and is guaranteed to be unique for
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	392 every file requested. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	393 lf = strlen(temp_directory);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	394 /* this gets the length of the counter as a string but doesn't actually
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	395 allocate anything so we can make a string long enough */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	396 counter_len = snprintf(NULL, 0, "%d", file_counter);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	397 if (counter_len < 1)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	398 do_error("snprintf failure: %s", strerror(errno));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	399 len = lf + 1 + (size_t)counter_len + ls + 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	400 name = lw_alloc(len);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	401 /* it should be impossible for ths snprintf call to fail */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	402 snprintf(name, len, "%s/%d%s", temp_directory, file_counter, nsuffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	403
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	404 /* record the temporary file name for later */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	405 lw_stringlist_addstring(tempfiles, name);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	406 return name;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	407 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	408
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	409 /* this calls the actual compiler, passing the contents of compiler_args
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	410 as arguments. It also adds the input file and output file. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	411 static int compile_file(const char file, char input, char *output, const char suffix)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	412 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	413 lw_stringlist_t args;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	414 char *out;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	415 int retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	416 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	417
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	418 args = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	419
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	420 /* find the compiler executable and make that argv[0] */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	421 s = find_file(compiler_program_name, program_dirs, X_OK);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	422 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	423 lw_free(s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	424
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	425 /* add all the saved compiler arguments to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	426 lw_stringlist_reset(compiler_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	427 for (s = lw_stringlist_current(compiler_args); s; s = lw_stringlist_next(compiler_args))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	428 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	429 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	430 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	431 /* work out the output file name and add that to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	432 out = output_name(file, suffix, stop_after == PHASE_COMPILE);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	433 lw_stringlist_addstring(args, "-o");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	434 lw_stringlist_addstring(args, out);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	435 /* add the input file to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	436 lw_stringlist_addstring(args, input);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	437 /* if the input file name and the output file name pointers are the same
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	438 free the input one */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	439 if (*output == input)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	440 lw_free(input);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	441 /* tell the caller what the output name is */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	442 *output = out;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	443 /* actually run the compiler */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	444 retval = execute_program(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	445
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	446 lw_stringlist_destroy(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	447 return retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	448 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	449
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	450 /* this calls the actual assembler, passing the contents of asm_args
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	451 as arguments. It also adds the input file and output file. */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	452 static int assemble_file(const char file, char input, char *output, const char suffix)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	453 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	454 lw_stringlist_t args;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	455 char *out;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	456 int retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	457 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	458
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	459 args = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	460
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	461 /* find the assembler binary and add that as argv[0] */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	462 s = find_file(assembler_program_name, program_dirs, X_OK);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	463 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	464 lw_free(s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	465
504 16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	466 /* add some necessary args */
16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	467 lw_stringlist_addstring(args, "--format=obj");
16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	468
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	469 /* add asm_args to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	470 lw_stringlist_reset(asm_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	471 for (s = lw_stringlist_current(asm_args); s; s = lw_stringlist_next(asm_args))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	472 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	473 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	474 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	475 /* get an output file name and add that to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	476 out = output_name(file, ".o", stop_after == PHASE_ASSEMBLE);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	477 lw_stringlist_addstring(args, "-o");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	478 lw_stringlist_addstring(args, out);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	479 /* finally, add the input file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	480 lw_stringlist_addstring(args, input);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	481 /* clean up input file name if same as output pointer */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	482 if (*output == input)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	483 lw_free(input);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	484 /* tell caller what file we made */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	485 *output = out;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	486 /* actually run the assembler */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	487 retval = execute_program(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	488
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	489 lw_stringlist_destroy(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	490 return retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	491 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	492
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	493 /* run the preprocessor. Pass along preproc_args and appropriate options
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	494 for all the include directories */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	495 static int preprocess_file(const char file, char input, char *output, const char suffix)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	496 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	497 lw_stringlist_t args;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	498 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	499 char *out;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	500 int retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	501
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	502 args = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	503
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	504 /* find the linker binary and make that argv[0] */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	505 s = find_file(preprocessor_program_name, program_dirs, X_OK);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	506 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	507 lw_free(s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	508
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	509 /* add preproc_args to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	510 lw_stringlist_reset(preproc_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	511 for (s = lw_stringlist_current(preproc_args); s; s = lw_stringlist_next(preproc_args))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	512 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	513 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	514 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	515
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	516 /* add the include files specified by -i */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	517 lw_stringlist_reset(includes);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	518 for (s = lw_stringlist_current(includes); s; s = lw_stringlist_next(includes))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	519 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	520 lw_stringlist_addstring(args, "-i");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	521 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	522 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	523
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	524 /* add the include directories specified by -I */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	525 lw_stringlist_reset(include_dirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	526 for (s = lw_stringlist_current(include_dirs); s; s = lw_stringlist_next(include_dirs))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	527 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	528 lw_stringlist_addstring(args, "-I");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	529 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	530 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	531
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	532 /* add the user specified system include directories (-isystem) */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	533 lw_stringlist_reset(user_sysincdirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	534 for (s = lw_stringlist_current(user_sysincdirs); s; s = lw_stringlist_next(user_sysincdirs))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	535 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	536 lw_stringlist_addstring(args, "-S");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	537 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	538 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	539
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	540 /* and, if not -nostdinc, the standard system include directories */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	541 if (!nostdinc)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	542 {
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	543 lw_stringlist_reset(priv_sysincdirs);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	544 for (s = lw_stringlist_current(priv_sysincdirs); s; s = lw_stringlist_next(priv_sysincdirs))
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	545 {
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	546 lw_stringlist_addstring(args, "-S");
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	547 lw_stringlist_addstring(args, s);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	548 }
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	549 lw_stringlist_reset(sysincdirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	550 for (s = lw_stringlist_current(sysincdirs); s; s = lw_stringlist_next(sysincdirs))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	551 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	552 lw_stringlist_addstring(args, "-S");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	553 lw_stringlist_addstring(args, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	554 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	555 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	556
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	557 /* if we stop after preprocessing, output to stdout if no output file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	558 if (stop_after == PHASE_PREPROCESS && output_file == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	559 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	560 out = lw_strdup("-");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	561 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	562 else
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	563 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	564 /* otherwise, make an output file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	565 out = output_name(file, suffix, stop_after == PHASE_PREPROCESS);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	566 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	567 /* if not stdout, add the output file to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	568 if (strcmp(out, "-") != 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	569 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	570 lw_stringlist_addstring(args, "-o");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	571 lw_stringlist_addstring(args, out);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	572 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	573 /* add the input file name to argv */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	574 lw_stringlist_addstring(args, input);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	575
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	576 /* if input and output pointers are same, clean up input */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	577 if (*output == input)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	578 lw_free(input);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	579 /* tell caller what our output file is */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	580 *output = out;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	581 /* finally, actually run the preprocessor */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	582 retval = execute_program(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	583
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	584 lw_stringlist_destroy(args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	585 return retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	586 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	587
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	588 /*
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	589 handle an input file through the various stages of compilation. If any
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	590 stage decides to handle an input file, that fact is recorded. If control
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	591 reaches the end of the function without a file being handled, that
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	592 fact is mentioned to the user. Unknown files are passed to the linker
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	593 if nothing handles them and linking is to be done. It's possible the linker
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	594 will actually know what to do with them.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	595 */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	596 static int handle_input_file(const char *f)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	597 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	598 const char *suffix;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	599 char *src;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	600 int handled, retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	601
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	602 /* note: this needs to handle -x but for now, assume c for stdin */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	603 if (strcmp(f, "-") == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	604 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	605 suffix = ".c";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	606 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	607 else
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	608 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	609 /* work out the suffix on the file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	610 suffix = strrchr(f, '.');
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	611 if (suffix != NULL && strchr(suffix, '/') != NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	612 suffix = NULL;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	613 if (suffix == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	614 suffix = "";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	615 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	616
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	617 /* make a copy of the file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	618 src = lw_strdup(f);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	619
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	620 /* preprocess if appropriate */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	621 if (strcmp(suffix, ".c") == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	622 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	623 /* preprocessed c input source goes to .i */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	624 suffix = ".i";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	625 retval = preprocess_file(f, src, &src, suffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	626 if (retval)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	627 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	628 handled = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	629 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	630 else if (strcmp(suffix, ".S") == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	631 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	632 /* preprocessed asm source goes to .s */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	633 suffix = ".s";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	634 retval = preprocess_file(f, src, &src, suffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	635 if (retval)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	636 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	637 handled = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	638 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	639 /* if we're only preprocessing, bail */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	640 if (stop_after == PHASE_PREPROCESS)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	641 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	642
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	643 /* now on to compile if appropriate */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	644 if (strcmp(suffix, ".i") == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	645 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	646 /* preprocessed c source goes to .s after compiling */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	647 suffix = ".s";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	648 retval = compile_file(f, src, &src, suffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	649 if (retval)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	650 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	651 handled = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	652 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	653 /* bail if we're only compiling, not assembling */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	654 if (stop_after == PHASE_COMPILE)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	655 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	656
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	657 /* assemble if appropriate */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	658 if (strcmp(suffix, ".s") == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	659 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	660 /* assembler output is an object file */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	661 suffix = ".o";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	662 retval = assemble_file(f, src, &src, suffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	663 if (retval)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	664 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	665 handled = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	666 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	667 /* bail if we're not linking */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	668 if (stop_after == PHASE_ASSEMBLE)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	669 goto done;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	670
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	671 /* if we get here with a .o unhandled, pretend it is handled */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	672 if (strcmp(suffix, ".o") == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	673 handled = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	674
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	675 /* add the final file name to the linker args */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	676 lw_stringlist_addstring(linker_args, src);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	677 done:
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	678 if (!handled && !retval)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	679 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	680 /* carp about unhandled files if there is no error */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	681 if (stop_after == PHASE_LINK)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	682 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	683 do_warning("unknown suffix %s; passing file down to linker", suffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	684 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	685 else
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	686 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	687 do_warning("unknown suffix %s; skipped", suffix);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	688 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	689 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	690 /* clean up the file name */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	691 lw_free(src);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	692
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	693 return retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	694 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	695
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	696 /*
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	697 This actually runs the linker. Along the way, all the files the linker
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	698 is supposed to handle will have been added to linker_args.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	699 */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	700 static int handle_linking(void)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	701 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	702 lw_stringlist_t linker_flags;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	703 char *s;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	704 int retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	705
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	706 linker_flags = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	707
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	708 /* find the linker binary and make that argv[0] */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	709 s = find_file(linker_program_name, program_dirs, X_OK);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	710 lw_stringlist_addstring(linker_flags, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	711 lw_free(s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	712
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	713 /* tell the linker about the output file name, if specified */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	714 if (output_file)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	715 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	716 lw_stringlist_addstring(linker_flags, "-o");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	717 lw_stringlist_addstring(linker_flags, (char *)output_file);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	718 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	719
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	720 /* add the standard library options if not -nostdlib */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	721 if (!nostdlib)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	722 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	723 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	724
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	725 /* add the standard startup files if not -nostartfiles */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	726 if (!nostartfiles)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	727 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	728 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	729
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	730 /* pass along the various input files, etc., to the linker */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	731 lw_stringlist_reset(linker_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	732 for (s = lw_stringlist_current(linker_args); s; s = lw_stringlist_next(linker_args))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	733 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	734 lw_stringlist_addstring(linker_flags, s);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	735 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	736
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	737 /* actually run the linker */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	738 retval = execute_program(linker_flags);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	739
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	740 lw_stringlist_destroy(linker_flags);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	741 return retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	742 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	743
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	744 /*
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	745 Do various setup tasks, process the command line, handle the input files,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	746 and clean up.
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	747 */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	748 int main(int argc, char **argv)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	749 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	750 char *ap;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	751 int retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	752
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	753 input_files = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	754 runtime_dirs = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	755 lib_dirs = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	756 program_dirs = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	757 preproc_args = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	758 include_dirs = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	759 user_sysincdirs = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	760 asm_args = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	761 linker_args = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	762 sysincdirs = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	763 includes = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	764 tempfiles = lw_stringlist_create();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	765 compiler_args = lw_stringlist_create();
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	766 priv_sysincdirs = lw_stringlist_create();
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	767
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	768 parse_command_line(argc, argv);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	769 if (stop_after == PHASE_DEFAULT)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	770 stop_after = PHASE_LINK;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	771
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	772 if (verbose_mode)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	773 printf("%s\n", VERSTRING);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	774
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	775 if (isysroot == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	776 isysroot = sysroot;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	777 expand_sysroot();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	778
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	779 if (stop_after != PHASE_LINK && output_file && lw_stringlist_nstrings(input_files) > 1)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	780 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	781 do_error("-o cannot be specified with multiple inputs unless linking");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	782 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	783
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	784 // default to stdout for preprocessing
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	785 if (stop_after == PHASE_PREPROCESS && output_file == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	786 output_file = "-";
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	787
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	788 if (lw_stringlist_nstrings(input_files) == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	789 do_error("No input files specified");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	790
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	791 /* handle -B here */
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	792 ap = lw_alloc(strlen(basedir) + 10);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	793 strcpy(ap, basedir);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	794 strcat(ap, "/bin");
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	795 lw_stringlist_addstring(program_dirs, ap);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	796 strcpy(ap, basedir);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	797 strcat(ap, "/lib");
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	798 lw_stringlist_addstring(runtime_dirs, ap);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	799 strcpy(ap, basedir);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	800 strcat(ap, "/include");
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	801 lw_stringlist_addstring(priv_sysincdirs, ap);
83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	802 lw_free(ap);
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	803
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	804 retval = 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	805 /* make sure we exit if interrupted */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	806 signal(SIGTERM, exit_on_signal);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	807
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	808 /* handle input files */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	809 lw_stringlist_reset(input_files);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	810 for (ap = lw_stringlist_current(input_files); ap; ap = lw_stringlist_next(input_files))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	811 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	812 if (handle_input_file(ap))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	813 retval = 1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	814 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	815
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	816 if (!retval && stop_after >= PHASE_LINK)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	817 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	818 retval = handle_linking();
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	819 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	820
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	821 /* if a signal nixed us, mention the fact */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	822 if (sigterm_received)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	823 do_warning("Terminating on signal");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	824
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	825 /* clean up temporary files */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	826 if (!save_temps)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	827 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	828 lw_stringlist_reset(tempfiles);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	829 for (ap = lw_stringlist_current(tempfiles); ap; ap = lw_stringlist_next(tempfiles))
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	830 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	831 if (unlink(ap) == -1)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	832 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	833 do_warning("Removal of %s failed: %s", ap, strerror(errno));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	834 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	835 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	836 if (temp_directory)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	837 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	838 if (rmdir(temp_directory) == -1)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	839 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	840 do_warning("Removal of temporary directory %s failed: %s", temp_directory, strerror(errno));
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	841 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	842 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	843 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	844
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	845 /* be polite and clean up all the string lists */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	846 lw_stringlist_destroy(input_files);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	847 lw_stringlist_destroy(runtime_dirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	848 lw_stringlist_destroy(lib_dirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	849 lw_stringlist_destroy(program_dirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	850 lw_stringlist_destroy(preproc_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	851 lw_stringlist_destroy(include_dirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	852 lw_stringlist_destroy(user_sysincdirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	853 lw_stringlist_destroy(asm_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	854 lw_stringlist_destroy(linker_args);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	855 lw_stringlist_destroy(sysincdirs);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	856 lw_stringlist_destroy(includes);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	857 lw_stringlist_destroy(tempfiles);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	858 lw_stringlist_destroy(compiler_args);
291 83f682ed4d65 Make lwcc driver understand -B William Astle <lost@l-w.ca> parents: 288 diff changeset	859 lw_stringlist_destroy(priv_sysincdirs);
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	860 return retval;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	861 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	862
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	863 struct option_e
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	864 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	865 char *optbase; // base name of option, with -
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	866 int needarg; // nonzero if option needs argument
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	867 int noextra; // nonzero if there must not be anything after optbase
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	868 int optcode; // option code (passed to fn)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	869 void *optptr; // pointer for opt (passed to fn)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	870 int (fn)(char , char , int, void ); // function to handle argument, NULL to ignore it
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	871 };
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	872
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	873 enum CMD_MISC {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	874 CMD_MISC_VERSION,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	875 CMD_MISC_OPTIMIZE,
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	876 };
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	877
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	878 enum OPT_ARG {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	879 OPT_ARG_OPT = 0, // argument is optional
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	880 OPT_ARG_SEP = 1, // argument may be separate
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	881 OPT_ARG_INC = 2, // argument must not be separate
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	882 };
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	883
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	884 /* set an integer at optptr to optcode /
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	885 static int cmdline_set_int(char opt, char optarg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	886 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	887 ((int )optptr) = optcode;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	888 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	889 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	890
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	891 /* set a string at optptr to optarg /
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	892 static int cmdline_set_string(char opt, char optarg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	893 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	894 char s = (char )optptr;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	895 *s = optarg;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	896
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	897 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	898 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	899
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	900 /* set a string at optptr to optarg /
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	901 static int cmdline_set_stringifnull(char opt, char optarg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	902 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	903 char s = (char )optptr;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	904
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	905 if (*s)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	906 do_error("Multiple %.*s options specified", optcode ? optcode : strlen(opt), opt);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	907 *s = optarg;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	908
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	909 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	910 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	911
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	912 /* split arg on commas and add the results to string list optptr /
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	913 static int cmdline_argsplit(char opt, char arg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	914 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	915 lw_stringlist_t l = (lw_stringlist_t )optptr;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	916 char *next;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	917
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	918 for (; arg != NULL; arg = next)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	919 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	920 next = strchr(arg, ',');
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	921 if (next != NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	922 *next++ = '\0';
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	923 lw_stringlist_addstring(l, arg);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	924 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	925 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	926 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	927
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	928 /* add opt to string list optptr /
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	929 static int cmdline_arglist(char opt, char arg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	930 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	931 lw_stringlist_t l = (lw_stringlist_t )optptr;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	932
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	933 lw_stringlist_addstring(l, opt);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	934 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	935 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	936
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	937 /* add optarg to string list optptr /
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	938 static int cmdline_optarglist(char opt, char optarg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	939 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	940 lw_stringlist_t l = (lw_stringlist_t )optptr;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	941
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	942 lw_stringlist_addstring(l, optarg);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	943 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	944 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	945
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	946 static int cmdline_misc(char opt, char optarg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	947 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	948 switch (optcode)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	949 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	950 case CMD_MISC_VERSION:
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	951 printf("%s\n", VERSTRING);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	952 exit(0);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	953
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	954 case CMD_MISC_OPTIMIZE:
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	955 if (!optarg)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	956 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	957 switch (*optarg)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	958 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	959 case '0':
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	960 case '1':
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	961 case '2':
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	962 case '3':
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	963 case 's':
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	964 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	965 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	966 return -1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	967
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	968 default:
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	969 return -1;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	970 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	971 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	972 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	973
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	974 static int cmdline_set_intifzero(char opt, char optarg, int optcode, void *optptr)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	975 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	976 int iv = (int )optptr;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	977
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	978 if (iv && iv != optcode)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	979 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	980 do_error("conflicting compiler option specified: %s", opt);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	981 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	982 *iv = optcode;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	983 return 0;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	984 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	985
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	986 struct option_e optionlist[] =
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	987 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	988 { "--version", OPT_ARG_OPT, 1, CMD_MISC_VERSION, NULL, cmdline_misc },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	989 { "--sysroot=", OPT_ARG_INC, 0, 0, &sysroot, cmdline_set_string },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	990 { "-B", OPT_ARG_INC, 0, 0, &basedir, cmdline_set_string },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	991 { "-C", OPT_ARG_OPT, 1, 0, &preproc_args, cmdline_arglist },
504 16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	992 { "-c", OPT_ARG_OPT, 1, PHASE_ASSEMBLE, &stop_after, cmdline_set_intifzero },
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	993 { "-D", OPT_ARG_INC, 0, 0, &preproc_args, cmdline_arglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	994 { "-E", OPT_ARG_OPT, 1, PHASE_PREPROCESS, &stop_after, cmdline_set_intifzero },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	995 { "-fPIC", OPT_ARG_OPT, 1, 2, &pic_mode, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	996 { "-fpic", OPT_ARG_OPT, 1, 1, &pic_mode, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	997 { "-g", OPT_ARG_OPT, 1, 1, &debug_mode, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	998 { "-I", OPT_ARG_SEP, 0, 0, &include_dirs, cmdline_optarglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	999 { "-include", OPT_ARG_SEP, 1, 0, &includes, cmdline_optarglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1000 { "-isysroot", OPT_ARG_SEP, 1, 0, &isysroot, cmdline_set_string },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1001 { "-isystem", OPT_ARG_SEP, 1, 0, &user_sysincdirs, cmdline_optarglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1002 { "-M", OPT_ARG_OPT, 1, 0, &preproc_args, cmdline_arglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1003 { "-nostartfiles", OPT_ARG_OPT, 1, 1, &nostartfiles, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1004 { "-nostdinc", OPT_ARG_OPT, 1, 1, &nostdinc, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1005 { "-nostdlib", OPT_ARG_OPT, 1, 1, &nostdlib, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1006 { "-O", OPT_ARG_OPT, 0, CMD_MISC_OPTIMIZE, NULL, cmdline_misc },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1007 { "-o", OPT_ARG_SEP, 0, 2, &output_file, cmdline_set_stringifnull },
504 16bd8effb2f6 Update lwcc driver to actually do something useful sometimes William Astle <lost@l-w.ca> parents: 496 diff changeset	1008 { "-S", OPT_ARG_OPT, 1, PHASE_COMPILE, &stop_after, cmdline_set_intifzero },
288 fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1009 { "-save-temps", OPT_ARG_OPT, 1, 1, &save_temps, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1010 { "-trigraphs", OPT_ARG_OPT, 1, 0, &preproc_args, cmdline_arglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1011 { "-U", OPT_ARG_INC, 0, 0, &preproc_args, cmdline_arglist },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1012 { "-v", OPT_ARG_OPT, 1, 1, &verbose_mode, cmdline_set_int },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1013 { "-Wp,", OPT_ARG_INC, 0, 0, &preproc_args, cmdline_argsplit },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1014 { "-Wa,", OPT_ARG_INC, 0, 0, &asm_args, cmdline_argsplit },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1015 { "-Wl,", OPT_ARG_INC, 0, 0, &linker_args, cmdline_argsplit },
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1016 { "-W", OPT_ARG_INC, 0, 0, NULL, NULL }, /* warning options */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1017 { "-x", OPT_ARG_SEP, 1, 0, NULL, NULL }, /* language options */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1018 { NULL, 0, 0 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1019 };
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1020
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1021 static void parse_command_line(int argc, char **argv)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1022 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1023 int i, j, olen, ilen;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1024 char *optarg;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1025
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1026 for (i = 1; i < argc; i++)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1027 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1028 if (argv[i][0] != '-' \|\| argv[i][1] == '\0')
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1029 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1030 /* we have a non-option argument */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1031 lw_stringlist_addstring(input_files, argv[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1032 continue;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1033 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1034 olen = strlen(argv[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1035 for (j = 0; optionlist[j].optbase; j++)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1036 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1037 ilen = strlen(optionlist[j].optbase);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1038 /* if length of optbase is longer than argv[i], it can't match */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1039 if (ilen > olen)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1040 continue;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1041 /* does the base match? */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1042 if (strncmp(optionlist[j].optbase, argv[i], ilen) == 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1043 break;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1044 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1045 if (optionlist[j].optbase == NULL)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1046 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1047 do_error("Unsupported option %s", argv[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1048 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1049 /* is the option supposed to be exact? */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1050 if (optionlist[j].noextra && argv[i][ilen] != '\0')
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1051 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1052 do_error("Unsupported option %s", argv[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1053 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1054 /* is there an argument? */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1055 optarg = NULL;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1056 if (argv[i][ilen])
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1057 optarg = argv[i] + ilen;
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1058 if (!optarg && optionlist[j].needarg == 1)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1059 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1060 if (i == argc)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1061 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1062 do_error("Option %s requires an argument", argv[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1063 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1064 optarg = argv[++i];
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1065 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1066 if (!optarg && optionlist[j].needarg == 2)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1067 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1068 do_error("Option %s requires an argument", argv[i]);
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1069 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1070 /* handle the option */
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1071 if (optionlist[j].fn)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1072 {
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1073 if ((*(optionlist[j].fn))(argv[i], optarg, optionlist[j].optcode, optionlist[j].optptr) != 0)
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1074 do_error("Unsupported option %s %s", argv[i], optarg ? optarg : "");
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1075 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1076 }
fc76f1a0dc49 Initial version of lwcc compiler driver and Makefile infrastructure William Astle <lost@l-w.ca> parents: diff changeset	1077 }

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annotate lwcc/driver-main.c @ 574:a0c9433dc0d4 default tip