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view lwasm/list.c @ 502:14a40f8bb4eb
Add various operators to lwcc
Add various binary and ternary operators to lwcc, but only those which can
work with constant operands. Seems like variables are probably required
next.
author | William Astle <lost@l-w.ca> |
---|---|
date | Wed, 25 Sep 2019 20:23:49 -0600 |
parents | 40c32a0af8c8 |
children | 10f62dc61a75 |
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/* list.c Copyright © 2010 William Astle This file is part of LWTOOLS. LWTOOLS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include <string.h> #include <lw_alloc.h> #include <lw_string.h> #include "lwasm.h" #include "instab.h" void list_symbols(asmstate_t *as, FILE *of); /* Do listing */ void do_list(asmstate_t *as) { line_t *cl, *nl, *nl2; FILE *of = NULL; int i; unsigned char *obytes = NULL; int obytelen = 0; char *tc; if (!(as -> flags & FLAG_LIST)) { of = NULL; } else { if (as -> list_file) { if (strcmp(as -> list_file, "-") == 0) { of = stdout; } else of = fopen(as -> list_file, "w"); } else of = stdout; if (!of) { fprintf(stderr, "Cannot open list file; list not generated\n"); return; } } for (cl = as -> line_head; cl; cl = nl) { char *linespec; nl = cl -> next; if (CURPRAGMA(cl, PRAGMA_NOLIST)) { if (cl -> outputl <= 0) continue; } if (cl -> noexpand_start) { obytelen = 0; int nc = 0; for (nl = cl; nl; nl = nl -> next) { if (nl -> noexpand_start) nc += nl -> noexpand_start; if (nl -> noexpand_end) nc -= nl -> noexpand_end; if (nl -> outputl > 0) obytelen += nl -> outputl; if (nl -> warn) { lwasm_error_t *e; for (e = nl -> warn; e; e = e -> next) { if (of != stdout) printf("Warning (%s:%d): %s\n", cl -> linespec, cl -> lineno, e -> mess); if (of) fprintf(of, "Warning: %s\n", e -> mess); } } if (nc == 0) break; } obytes = lw_alloc(obytelen); nc = 0; for (nl2 = cl; ; nl2 = nl2 -> next) { int i; for (i = 0; i < nl2 -> outputl; i++) { obytes[nc++] = nl2 -> output[i]; } if (nc >= obytelen) break; } if (nl) nl = nl -> next; } else { if (cl -> warn) { lwasm_error_t *e; for (e = cl -> warn; e; e = e -> next) { if (of != stdout) printf("Warning (%s:%d): %s\n", cl -> linespec, cl -> lineno, e -> mess); if (of) fprintf(of, "Warning: %s\n", e -> mess); } } obytelen = cl -> outputl; if (obytelen > 0) { obytes = lw_alloc(obytelen); memmove(obytes, cl -> output, cl -> outputl); } } if (cl -> hidecond && CURPRAGMA(cl, PRAGMA_NOEXPANDCOND)) continue; if ((cl -> len < 1 && cl -> dlen < 1) && obytelen < 1 && (cl -> symset == 1 || cl -> sym == NULL) ) { if (cl -> soff >= 0) { if (of) fprintf(of, "%04Xs ", cl -> soff & 0xffff); } else if (cl -> dshow >= 0) { if (cl -> dsize == 1) { if (of) fprintf(of, " %02X ", cl -> dshow & 0xff); } else { if (of) fprintf(of, " %04X ", cl -> dshow & 0xff); } } else if (cl -> dptr) { lw_expr_t te; te = lw_expr_copy(cl -> dptr -> value); as -> exportcheck = 1; as -> csect = cl -> csect; lwasm_reduce_expr(as, te); as -> exportcheck = 0; if (lw_expr_istype(te, lw_expr_type_int)) { if (of) fprintf(of, " %04X ", lw_expr_intval(te) & 0xffff); } else { if (of) fprintf(of, " ???? "); } lw_expr_destroy(te); } else { if (of) fprintf(of, " "); } } else { lw_expr_t te; if (instab[cl -> insn].flags & lwasm_insn_setdata) te = lw_expr_copy(cl -> daddr); else te = lw_expr_copy(cl -> addr); as -> exportcheck = 1; as -> csect = cl -> csect; lwasm_reduce_expr(as, te); as -> exportcheck = 0; // if (of) fprintf(of, "%s\n", lw_expr_print(te)); if (of) fprintf(of, "%04X%c", lw_expr_intval(te) & 0xffff, ((cl -> inmod || (cl -> dlen != cl -> len)) && instab[cl -> insn].flags & lwasm_insn_setdata) ? '.' : ' '); lw_expr_destroy(te); for (i = 0; i < obytelen && i < 8; i++) { if (of) fprintf(of, "%02X", obytes[i]); } for (; i < 8; i++) { if (of) fprintf(of, " "); } if (of) fprintf(of, " "); } /* the format specifier below is deliberately chosen so that the start of the line text is at a multiple of 8 from the start of the list line */ #define max_linespec_len 17 // trim "include:" if it appears if (as -> listnofile) { if (of) fprintf(of, "%05d ", cl->lineno); } else { linespec = cl -> linespec; if ((strlen(linespec) > 8) && (linespec[7] == ':')) linespec += 8; while (*linespec == ' ') linespec++; if (of) fprintf(of, "(%*.*s):%05d ", max_linespec_len, max_linespec_len, linespec, cl->lineno); } if (CURPRAGMA(cl, PRAGMA_CC)) { as->cycle_total = 0; } /* display cycle counts */ char s[64] = ""; if (CURPRAGMA(cl, PRAGMA_C) || CURPRAGMA(cl, PRAGMA_CD)) { if (cl->cycle_base != 0) { char ch = '('; if (CURPRAGMA(cl, PRAGMA_6809)) ch = '['; if (CURPRAGMA(cl, PRAGMA_CD) && cl->cycle_flags & CYCLE_ADJ) { sprintf(s, "%c%d+%d", ch, cl->cycle_base, cl->cycle_adj); /* detailed cycle count */ } else { sprintf(s, "%c%d", ch, cl->cycle_base + cl->cycle_adj); /* normal cycle count*/ } if (cl->cycle_flags & CYCLE_ESTIMATED) strcat(s, "+?"); as->cycle_total += cl->cycle_base + cl->cycle_adj; ch = ')'; if (CURPRAGMA(cl, PRAGMA_6809)) ch = ']'; sprintf(s, "%s%c", s, ch); } } if (of) fprintf(of, "%-8s", s); if (CURPRAGMA(cl, PRAGMA_CT)) { if (cl->cycle_base != 0) { if (of) fprintf(of, "%-8d", as->cycle_total); } else { if (of) fprintf(of, " "); } } if (as -> tabwidth == 0) { fputs(cl -> ltext, of); } else { i = 0; for (tc = cl -> ltext; *tc; tc++) { if ((*tc) == '\t') { if (i % as -> tabwidth == 0) { if (of) fputc(' ', of); i++; } while (i % as -> tabwidth) { if (of) fputc(' ', of); i++; } } else { if (of) fputc(*tc, of); i++; } } } if (of) fputc('\n', of); if (obytelen > 8) { for (i = 8; i < obytelen; i++) { if (i % 8 == 0) { if (i != 8) { if (of) fprintf(of, "\n "); } else { if (of) fprintf(of, " "); } } if (of) fprintf(of, "%02X", obytes[i]); } if (i > 8) if (of) fprintf(of, "\n"); } lw_free(obytes); obytes = NULL; } if ((as -> flags & FLAG_SYMBOLS) && of) list_symbols(as, of); if (of && of != stdout) fclose(of); }