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libtcc: Detect (but ignore) -init and -fini for -Wl

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--
By by ... Detlef
This commit is contained in:
Detlef Riekenberg 2010-04-05 22:56:33 +02:00
parent 87574de8ed
commit 34dabe496f
4 changed files with 26 additions and 13 deletions
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31
libtcc.c
View File

@ -1395,7 +1395,7 @@ PUB_FUNC int tcc_set_flag(TCCState *s, const char *flag_name, int value)
}
static int strstart(const char *str, const char *val, const char **ptr)
static int strstart(const char *str, const char *val, char **ptr)
{
const char *p, *q;
p = str;
@ -1407,27 +1407,36 @@ static int strstart(const char *str, const char *val, const char **ptr)
q++;
}
if (ptr)
*ptr = p;
*ptr = (char *) p;
return 1;
}
/* set linker options */
PUB_FUNC const char * tcc_set_linker(TCCState *s, const char *option, int multi)
PUB_FUNC const char * tcc_set_linker(TCCState *s, char *option, int multi)
{
const char *p = option;
char *end = NULL;
char *p = option;
char *end;
while (option && *option) {
end = NULL;
if (strstart(option, "-Bsymbolic", &p)) {
s->symbolic = TRUE;
#ifdef TCC_TARGET_PE
} else if (strstart(option, "--file-alignment,", &p)) {
s->pe_file_align = strtoul(p, &end, 16);
#endif
} else if (strstart(option, "-fini,", &p)) {
s->fini_symbol = p;
if (s->warn_unsupported)
warning("ignoring -fini %s", p);
} else if (strstart(option, "--image-base,", &p)) {
s->text_addr = strtoul(p, &end, 16);
s->has_text_addr = 1;
} else if (strstart(option, "-init,", &p)) {
s->init_symbol = p;
if (s->warn_unsupported)
warning("ignoring -init %s", p);
} else if (strstart(option, "--oformat,", &p)) {
#if defined(TCC_TARGET_PE)
@ -1496,11 +1505,11 @@ PUB_FUNC const char * tcc_set_linker(TCCState *s, const char *option, int multi)
}
if (multi) {
if (end) {
option = end;
} else {
option = strchr(p, ',');
if (option) option++;
option = NULL;
p = strchr( (end) ? end : p, ',');
if (p) {
*p = 0; /* terminate last option */
option = ++p;
}
} else
option = NULL;

2
libtcc.h
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@ -32,7 +32,7 @@ LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque,
LIBTCCAPI int tcc_set_warning(TCCState *s, const char *warning_name, int value);
/* set linker option */
LIBTCCAPI const char * tcc_set_linker(TCCState *s, const char *option, int multi);
LIBTCCAPI const char * tcc_set_linker(TCCState *s, char *option, int multi);
/*****************************/
/* preprocessor */

2
tcc.c
View File

@ -367,7 +367,7 @@ static int parse_args(TCCState *s, int argc, char **argv)
break;
case TCC_OPTION_Wl:
{
if ((r = (char *)tcc_set_linker(s, optarg, TRUE)))
if ((r = (char *) tcc_set_linker(s, (char *)optarg, TRUE)))
error("unsupported linker option '%s'", r);
}
break;

4
tcc.h
View File

@ -463,6 +463,10 @@ struct TCCState {
unsigned long text_addr;
int has_text_addr;
/* symbols to call at load-time / unload-time */
const char *init_symbol;
const char *fini_symbol;
/* output format, see TCC_OUTPUT_FORMAT_xxx */
int output_format;