132 lines
2.9 KiB
C
132 lines
2.9 KiB
C
/* asmconv 1.12 - convert 80X86 assembly Author: Kees J. Bot
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* 24 Dec 1993
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*/
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static char version[] = "1.12";
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#define nil 0
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include <getopt.h>
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#include "asmconv.h"
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#include "asm86.h"
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#include "languages.h"
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void fatal(char *label)
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{
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fprintf(stderr, "asmconv: %s: %s\n", label, strerror(errno));
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exit(EXIT_FAILURE);
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}
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void *allocate(void *mem, size_t size)
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/* A checked malloc/realloc(). Yes, I know ISO C allows realloc(NULL, size). */
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{
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mem= mem == nil ? malloc(size) : realloc(mem, size);
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if (mem == nil) fatal("malloc()");
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return mem;
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}
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void deallocate(void *mem)
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/* Free a malloc()d cell. (Yes I know ISO C allows free(NULL) */
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{
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if (mem != nil) free(mem);
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}
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char *copystr(const char *s)
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{
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char *c;
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c= allocate(nil, (strlen(s) + 1) * sizeof(s[0]));
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strcpy(c, s);
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return c;
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}
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int isanumber(const char *s)
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/* True if s can be turned into a number. */
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{
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char *end;
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(void) strtol(s, &end, 0);
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return end != s && *end == 0;
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}
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/* "Invisible" globals. */
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int asm_mode32= (sizeof(int) == 4);
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int err_code= EXIT_SUCCESS;
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/* Prepend underscores to symbols */
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int prepend_underscores = 0;
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int main(int argc, char **argv)
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{
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void (*parse_init)(char *file);
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asm86_t *(*get_instruction)(void);
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void (*emit_init)(char *file, const char *banner);
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void (*emit_instruction)(asm86_t *instr);
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char *lang_parse, *lang_emit, *input_file, *output_file;
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asm86_t *instr;
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char banner[80];
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char c;
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opterr = 0;
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while ((c = getopt (argc, argv, "m:u")) != -1)
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switch (c)
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{
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case 'm':
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if (strcmp(optarg, "i86") == 0) {
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set_use16();
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} else
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if (strcmp(optarg, "i386") == 0) {
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set_use32();
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}
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else {
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fprintf(stderr, "asmconv: '%s': unknown machine\n",
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optarg);
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exit(EXIT_FAILURE);
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}
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break;
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case 'u':
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enable_underscore_mode();
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break;
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default:
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fprintf(stderr, "Usage: gas2ack [input-file [output-file]]\n");
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exit(EXIT_FAILURE);
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}
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if ((argc - optind < 1) || (argc - optind > 2)) {
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fprintf(stderr, "Usage: gas2ack [input-file [output-file]]\n");
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exit(EXIT_FAILURE);
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}
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input_file= (argc - optind) < 1 ? nil : argv[optind];
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output_file= (argc - optind) < 2 ? nil : argv[optind+1];
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parse_init= gnu_parse_init;
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get_instruction= gnu_get_instruction;
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emit_init= ack_emit_init;
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emit_instruction= ack_emit_instruction;
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sprintf(banner, "Translated from GNU to ACK by gas2ack");
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/* get localy defined labels first */
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(*parse_init)(input_file);
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for (;;) {
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instr= (*get_instruction)();
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if (instr == nil) break;
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del_asm86(instr);
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}
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(*parse_init)(input_file);
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(*emit_init)(output_file, banner);
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for (;;) {
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instr= (*get_instruction)();
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(*emit_instruction)(instr);
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if (instr == nil) break;
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del_asm86(instr);
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}
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exit(err_code);
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}
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