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optimize: get_current_target for AOT thumb loader (#342)

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Karl Fessel 2020-08-11 03:40:18 +02:00 committed by GitHub
parent 6aeefbebb2
commit 3be29c3f46
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1 changed files with 21 additions and 11 deletions
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32
core/iwasm/aot/arch/aot_reloc_thumb.c
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@ -117,22 +117,32 @@ get_target_symbol_map(uint32 *sym_num)
return target_sym_map; return target_sym_map;
} }
#define BUILD_TARGET_THUMB_V4T "thumbv4t"
void void
get_current_target(char *target_buf, uint32 target_buf_size) get_current_target(char *target_buf, uint32 target_buf_size)
{ {
char *build_target = BUILD_TARGET; const char * s = BUILD_TARGET;
char *p = target_buf, *p_end; size_t s_size = sizeof(BUILD_TARGET);
snprintf(target_buf, target_buf_size, "%s", build_target); char *d = target_buf;
p_end = p + strlen(target_buf);
while (p < p_end) { /* Set to "thumbv4t" by default if sub version isn't specified */
if (*p >= 'A' && *p <= 'Z') if (strcmp(s, "THUMB") == 0) {
*p++ += 'a' - 'A'; s = BUILD_TARGET_THUMB_V4T;
else s_size = sizeof(BUILD_TARGET_THUMB_V4T);
p++;
} }
if (!strcmp(target_buf, "thumb")) if(target_buf_size < s_size){
snprintf(target_buf, target_buf_size, "thumbv4t"); s_size = target_buf_size;
}
while (--s_size) {
if (*s >= 'A' && *s <= 'Z')
*d++ = *s++ + 'a' - 'A';
else
*d++ = *s++ ;
}
/* Ensure the string is null byte ('\0') terminated */
*d = '\0';
} }
#undef BUILD_TARGET_THUMB_V4T
uint32 uint32
get_plt_item_size() get_plt_item_size()