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tcc: add -m32 option to x86_64 cross compilers

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Henry Kroll III 2010-12-06 16:17:20 -08:00
parent 33f86ada92
commit bb7bb37fe2
2 changed files with 35 additions and 1 deletions
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35
tcc.c
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@ -212,6 +212,36 @@ static int expand_args(char ***pargv, const char *str)
return argc;
}
void exec_other_tcc(TCCState *s, int argc,char **argv,int optarg)
{
#ifdef TCC_TARGET_X86_64
#define WIN32_CAST
char arg[20]="i386-tcc";
char sep='/',*tcc;
if (32 == optarg) {/* -m32 launches 32 bit tcc */
#ifdef TCC_TARGET_PE
#ifdef _WIN32
#define WIN32_CAST (const char**)(const char *)
strcpy(arg,"tcc.exe");
sep='\\';
#else
strcpy(arg,"i386-win32-tcc");
#endif
#endif
if (!(tcc=strrchr(argv[0],sep)))
tcc=argv[0];
else tcc++;
if (0<s->verbose) printf("%s->%s\n",tcc,arg);
if (strcmp(tcc,arg)) {
execvp(arg, WIN32_CAST (argv));
error("cross compiler not found!");
exit(1);
#undef WIN32_CAST
} else warning("-m32 infinite loop prevented");
} else warning("usupported option \"-m%s\"",optarg);
#endif
}
static int parse_args(TCCState *s, int argc, char **argv)
{
int optind;
@ -334,7 +364,10 @@ static int parse_args(TCCState *s, int argc, char **argv)
output_type = TCC_OUTPUT_DLL;
break;
case TCC_OPTION_soname:
s->soname = optarg;
s->soname = optarg;
break;
case TCC_OPTION_m:
exec_other_tcc(s,argc+1,argv-1,atoi(optarg));
break;
case TCC_OPTION_o:
multiple_files = 1;

1
tcc.h
View File

@ -44,6 +44,7 @@
#ifdef _WIN32
#include <windows.h>
#include <process.h>
#include <sys/timeb.h>
#include <io.h> /* open, close etc. */
#include <direct.h> /* getcwd */