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annotate lwlink/trunk/src/main.c @ 114:c65fcec346cd
Handle input files on command line and add some memory management utility functions
| author | lost |
|---|---|
| date | Sat, 17 Jan 2009 20:54:58 +0000 |
| parents | a567dbb3f1d4 |
| children | 776d8bea5b46 |
| rev | line source |
|---|---|
| 112 | 1 /* |
| 2 main.c | |
| 3 Copyright © 2008 William Astle | |
| 4 | |
| 5 This file is part of LWLINK. | |
| 6 | |
| 7 LWLINK is free software: you can redistribute it and/or modify it under the | |
| 8 terms of the GNU General Public License as published by the Free Software | |
| 9 Foundation, either version 3 of the License, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 This program is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 15 more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License along with | |
| 18 this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
| 21 Implements the program startup code | |
| 22 | |
| 23 */ | |
| 24 | |
| 25 #ifdef HAVE_CONFIG_H | |
| 26 #include "config.h" | |
| 27 #endif | |
| 28 | |
| 29 #include <argp.h> | |
| 30 #include <errno.h> | |
| 31 #include <stdio.h> | |
| 32 #include <stdlib.h> | |
| 33 | |
| 34 #include "lwlink.h" | |
| 35 | |
| 36 // command line option handling | |
| 37 const char *argp_program_version = PACKAGE_STRING; | |
| 38 const char *argp_program_bug_address = PACKAGE_BUGREPORT; | |
| 39 | |
| 40 static error_t parse_opts(int key, char *arg, struct argp_state *state) | |
| 41 { | |
| 42 switch (key) | |
| 43 { | |
| 44 case 'o': | |
| 45 // output | |
| 46 outfile = arg; | |
| 47 break; | |
| 48 | |
| 49 case 'd': | |
| 50 // debug | |
| 51 debug_level++; | |
| 52 break; | |
| 53 | |
| 54 case 'b': | |
| 55 // decb output | |
| 56 outformat = OUTPUT_DECB; | |
| 57 break; | |
| 58 | |
| 59 case 'r': | |
| 60 // raw binary output | |
| 61 outformat = OUTPUT_RAW; | |
| 62 break; | |
| 63 | |
| 64 case 'f': | |
| 65 // output format | |
| 66 if (!strcasecmp(arg, "decb")) | |
| 67 outformat = OUTPUT_DECB; | |
| 68 else if (!strcasecmp(arg, "raw")) | |
| 69 outformat = OUTPUT_RAW; | |
| 70 else | |
| 71 { | |
| 72 fprintf(stderr, "Invalid output format: %s\n", arg); | |
| 73 exit(1); | |
| 74 } | |
| 75 break; | |
| 76 case ARGP_KEY_END: | |
| 77 // done; sanity check | |
| 78 if (!outfile) | |
| 79 outfile = "a.out"; | |
| 80 break; | |
| 81 | |
| 82 case ARGP_KEY_ARG: | |
|
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83 add_input_file(arg); |
| 112 | 84 break; |
| 85 | |
| 86 default: | |
| 87 return ARGP_ERR_UNKNOWN; | |
| 88 } | |
| 89 return 0; | |
| 90 } | |
| 91 | |
| 92 static struct argp_option options[] = | |
| 93 { | |
| 94 { "output", 'o', "FILE", 0, | |
| 95 "Output to FILE"}, | |
| 96 { "debug", 'd', 0, 0, | |
| 97 "Set debug mode"}, | |
| 98 { "format", 'f', "TYPE", 0, | |
| 99 "Select output format: decb, raw, obj"}, | |
| 100 { "decb", 'b', 0, 0, | |
| 101 "Generate DECB .bin format output, equivalent of --format=decb"}, | |
| 102 { "raw", 'r', 0, 0, | |
| 103 "Generate raw binary format output, equivalent of --format=raw"}, | |
| 104 { 0 } | |
| 105 }; | |
| 106 | |
| 107 static struct argp argp = | |
| 108 { | |
| 109 options, | |
| 110 parse_opts, | |
| 111 "<input file> ...", | |
| 112 "LWLINK, a HD6309 and MC6809 cross-linker" | |
| 113 }; | |
| 114 | |
| 115 // main function; parse command line, set up assembler state, and run the | |
| 116 // assembler on the first file | |
| 117 int main(int argc, char **argv) | |
| 118 { | |
| 119 argp_parse(&argp, argc, argv, 0, 0, NULL); | |
|
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120 if (ninputfiles == 0) |
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121 { |
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122 fprintf(stderr, "No input files\n"); |
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123 exit(1); |
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124 } |
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125 |
| 112 | 126 exit(0); |
| 127 } |