//---------------------------------------------------------------------------------
int main(int argc, char **argv) {
//---------------------------------------------------------------------------------
FILE *fin;
size_t filelen;
int linelen;
int arg;
int alignment = 4;
if(argc < 2) {
fputs( "bin2s - convert binary files to assembly language\n"
"typical usage: bin2s foo.bin bar.bin baz.bin > foo.s\n", stderr);
return 1;
}
for(arg = 1; arg < argc; arg++) {
if (argv[arg][0] == '-')
{
switch (argv[arg][1])
{
case 'a':
alignment = (argc > arg) ? strtoul(argv[++arg], 0, 0) : 0;
if ( alignment == 0 ) alignment =4;
break;
}
continue;
}
fin = fopen(argv[arg], "rb");
if(!fin) {
fputs("bin2s: could not open ", stderr);
perror(argv[arg]);
return 1;
}
fseek(fin, 0, SEEK_END);
filelen = ftell(fin);
rewind(fin);
if(filelen == 0) {
fclose(fin);
fprintf(stderr, "bin2s: warning: skipping empty file %s\n", argv[arg]);
continue;
}
char *ptr = argv[arg];
char chr;
char *filename = NULL;
while ( (chr=*ptr) ) {
if ( chr == '\\' || chr == '/') {
filename = ptr;
}
ptr++;
}
if ( NULL != filename ) {
filename++;
} else {
filename = argv[arg];
}
/*---------------------------------------------------------------------------------
Generate the prolog for each included file. It has two purposes:
1. provide length info, and
2. align to user defined boundary, default is 32bit
---------------------------------------------------------------------------------*/
fprintf( stdout, "/* Generated by BIN2S - please don't edit directly */\n"
"\t.section .rodata\n"
"\t.balign %d\n"
"\t.global ", alignment);
strnident(stdout, filename);
fputs("_size\n", stdout);
strnident(stdout, filename);
printf("_size: .int %lu\n\t.global ", (unsigned long)filelen);
strnident(stdout, filename);
fputs("\n", stdout);
strnident(stdout, filename);
fputs(":\n\t.byte ", stdout);
linelen = 0;
while(filelen > 0) {
unsigned char c = fgetc(fin);
printf("%3u", (unsigned int)c);
filelen--;
/* don't put a comma after the last item */
if(filelen) {
/* break after every 16th number */
if(++linelen >= 16) {
linelen = 0;
fputs("\n\t.byte ", stdout);
} else {
fputc(',', stdout);
}
}
}
fputs("\n\n\t.global ", stdout);
strnident(stdout, filename);
fputs("_end\n", stdout);
strnident(stdout, filename);
fputs("_end:\n\n", stdout);
fclose(fin);
}
return 0;
}
//---------------------------------------------------------------------------------
int main(int argc, char **argv) {
//---------------------------------------------------------------------------------
FILE *fin;
size_t filelen;
int linelen;
int arg;
int alignment = 4;
static int apple_llvm = 0;
if(argc < 2) {
showhelp(argv[0]);
return -1;
}
int c;
while (1) {
static struct option long_options[] = {
{"apple-llvm", no_argument, &apple_llvm, 1},
{"alignment", no_argument, 0, 'a'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
int option_index = 0;
c = getopt_long (argc, argv, "a:h",
long_options, &option_index);
if (c == -1)
break;
switch(c) {
case 'h':
showhelp(argv[0]);
case 'a':
alignment = strtoul(optarg,0,0);
break;
case '?':
if (optopt == 'a')
fprintf (stderr, "Option -%c requires an argument.\n", optopt);
else if (isprint (optopt))
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
else
fprintf (stderr, "Unknown option character `\\x%x'.\n",optopt);
return 1;
}
}
for(arg = optind; arg < argc; arg++) {
fin = fopen(argv[arg], "rb");
if(!fin) {
fputs("bin2s: could not open ", stderr);
perror(argv[arg]);
return 1;
}
fseek(fin, 0, SEEK_END);
filelen = ftell(fin);
rewind(fin);
if(filelen == 0) {
fclose(fin);
fprintf(stderr, "bin2s: warning: skipping empty file %s\n", argv[arg]);
continue;
}
char *ptr = argv[arg];
char chr;
char *filename = NULL;
while ( (chr=*ptr) ) {
if ( chr == '\\' || chr == '/') {
filename = ptr;
}
ptr++;
}
if ( NULL != filename ) {
filename++;
} else {
filename = argv[arg];
}
/*---------------------------------------------------------------------------------
Generate the prolog for each included file. It has two purposes:
1. provide length info, and
2. align to user defined boundary, default is 32bit
---------------------------------------------------------------------------------*/
fprintf( stdout, "/* Generated by BIN2S - please don't edit directly */\n");
if (apple_llvm) {
fprintf( stdout, "\t.const_data\n");
} else {
fprintf( stdout,"\t.section .rodata\n");
}
fprintf( stdout, "\t.balign %d\n"
"\t.global ", alignment);
strnident(stdout, filename, apple_llvm);
fputs("_size\n", stdout);
fputs("\t.global ", stdout);
strnident(stdout, filename, apple_llvm);
fputs("\n", stdout);
strnident(stdout, filename, apple_llvm);
fputs(":\n\t.byte ", stdout);
linelen = 0;
int count = filelen;
while(count > 0) {
unsigned char c = fgetc(fin);
printf("%3u", (unsigned int)c);
count--;
/* don't put a comma after the last item */
if(count) {
/* break after every 16th number */
if(++linelen >= 16) {
linelen = 0;
fputs("\n\t.byte ", stdout);
} else {
fputc(',', stdout);
}
}
}
fputs("\n\n\t.global ", stdout);
strnident(stdout, filename, apple_llvm);
fputs("_end\n", stdout);
strnident(stdout, filename, apple_llvm);
fputs("_end:\n\n", stdout);
fputs("\t.balign 4\n",stdout);
strnident(stdout, filename, apple_llvm);
fprintf( stdout, "_size: .int %lu\n", (unsigned long)filelen);
fclose(fin);
}
return 0;
}
