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intel-gen4asm: add byte array style disasm

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I previously added a byte array style output for intel-gen4asm, but
there was no way to disassemble here. Well here that is.
This commit is contained in:
Ben Widawsky 2011-03-23 22:08:39 -07:00 committed by Damien Lespiau
parent cbfab5f415
commit 83a5c38e12
1 changed files with 42 additions and 4 deletions
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46
assembler/src/disasm-main.c
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@ -40,7 +40,7 @@ read_program (FILE *input)
struct brw_program_instruction *entry, **prev;
int c;
int n = 0;
program = malloc (sizeof (struct brw_program));
program->first = NULL;
prev = &program->first;
@ -62,9 +62,40 @@ read_program (FILE *input)
return program;
}
static struct brw_program *
read_program_binary (FILE *input)
{
uint32_t temp;
uint8_t inst[16];
struct brw_program *program;
struct brw_program_instruction *entry, **prev;
int c;
int n = 0;
program = malloc (sizeof (struct brw_program));
program->first = NULL;
prev = &program->first;
while ((c = getc (input)) != EOF) {
if (c == '0') {
if (fscanf (input, "x%2x", &temp) == 1) {
inst[n++] = (uint8_t)temp;
if (n == 16) {
entry = malloc (sizeof (struct brw_program_instruction));
memcpy (&entry->instruction, inst, 16 * sizeof (uint8_t));
entry->next = NULL;
*prev = entry;
prev = &entry->next;
n = 0;
}
}
}
}
return program;
}
static void usage(void)
{
fprintf(stderr, "usage: intel-gen4disasm [-o outputfile] inputfile\n");
fprintf(stderr, "usage: intel-gen4disasm [-o outputfile] [-b] inputfile\n");
}
int main(int argc, char **argv)
@ -74,15 +105,19 @@ int main(int argc, char **argv)
FILE *output = stdout;
char *input_filename = NULL;
char *output_file = NULL;
int byte_array_input = 0;
int o;
struct brw_program_instruction *inst;
while ((o = getopt_long(argc, argv, "o:", longopts, NULL)) != -1) {
while ((o = getopt_long(argc, argv, "o:b", longopts, NULL)) != -1) {
switch (o) {
case 'o':
if (strcmp(optarg, "-") != 0)
output_file = optarg;
break;
case 'b':
byte_array_input = 1;
break;
default:
usage();
exit(1);
@ -103,7 +138,10 @@ int main(int argc, char **argv)
exit(1);
}
}
program = read_program (input);
if (byte_array_input)
program = read_program_binary (input);
else
program = read_program (input);
if (!program)
exit (1);
if (output_file) {