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Add input/output file command line arguments.

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This commit is contained in:
Eric Anholt 2006-08-30 10:22:56 -07:00 committed by Damien Lespiau
parent 2d298742bf
commit 5fbc399062
1 changed files with 46 additions and 2 deletions
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48
assembler/main.c
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@ -28,6 +28,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "gen4asm.h"
@ -35,17 +37,59 @@ extern FILE *yyin;
struct brw_program compiled_program;
static const struct option longopts[] = {
{ NULL, 0, NULL, 0 }
};
void usage(void)
{
fprintf(stderr, "usage: gen4asm [-o outputfile] inputfile\n");
}
int main(int argc, char **argv)
{
int err;
FILE *output = stdout;
struct brw_program_instruction *entry;
int err;
char o;
while ((o = getopt_long(argc, argv, "o:", longopts, NULL)) != -1) {
switch (o) {
case 'o':
if (strcmp(optarg, "-") != 0) {
output = fopen(optarg, "w");
if (output == NULL) {
perror("Couldn't open output file");
exit(1);
}
}
break;
default:
usage();
exit(1);
}
}
argc -= optind;
argv += optind;
if (argc != 1) {
usage();
exit(1);
}
if (strcmp(argv[0], "-") != 0) {
yyin = fopen(argv[0], "r");
if (yyin == NULL) {
perror("Couldn't open input file");
exit(1);
}
}
err = yyparse();
for (entry = compiled_program.first;
entry != NULL;
entry = entry->next) {
printf(" { 0x%08x, 0x%08x, 0x%08x, 0x%08x },\n",
fprintf(output, " { 0x%08x, 0x%08x, 0x%08x, 0x%08x },\n",
((int *)(&entry->instruction))[0],
((int *)(&entry->instruction))[1],
((int *)(&entry->instruction))[2],