OSO/TinyCC
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get rid of "free_section problem" with private sections

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grischka
2009-04-03 20:52:40 +02:00
parent c80f81c199
commit 29c8e1545a
1 changed files with 14 additions and 13 deletions
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25
tcc.c
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@ -466,6 +466,9 @@ struct TCCState {
Section **sections; Section **sections;
int nb_sections; /* number of sections, including first dummy section */ int nb_sections; /* number of sections, including first dummy section */
Section **priv_sections;
int nb_priv_sections; /* number of private sections */
/* got handling */ /* got handling */
Section *got; Section *got;
Section *plt; Section *plt;
@ -1294,22 +1297,19 @@ Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags)
break; break;
} }
/* only add section if not private */ if (sh_flags & SHF_PRIVATE) {
if (!(sh_flags & SHF_PRIVATE)) { dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
} else {
sec->sh_num = s1->nb_sections; sec->sh_num = s1->nb_sections;
dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec); dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
} }
return sec; return sec;
} }
static void free_section(Section *s) static void free_section(Section *s)
{ {
if (s->link && (s->link->sh_flags & SHF_PRIVATE))
free_section(s->link);
if (s->hash && (s->hash->sh_flags & SHF_PRIVATE))
s->hash->link = NULL, free_section(s->hash);
tcc_free(s->data); tcc_free(s->data);
tcc_free(s);
} }
/* realloc section and set its content to zero */ /* realloc section and set its content to zero */
@ -10506,15 +10506,16 @@ void tcc_delete(TCCState *s1)
tcc_cleanup(); tcc_cleanup();
/* free all sections */ /* free all sections */
free_section(s1->dynsymtab_section);
for(i = 1; i < s1->nb_sections; i++) for(i = 1; i < s1->nb_sections; i++)
free_section(s1->sections[i]); free_section(s1->sections[i]);
tcc_free(s1->sections); dynarray_reset(&s1->sections, &s1->nb_sections);
for(i = 0; i < s1->nb_priv_sections; i++)
free_section(s1->priv_sections[i]);
dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections);
/* free any loaded DLLs */ /* free any loaded DLLs */
for ( i = 0; i < s1->nb_loaded_dlls; i++) for ( i = 0; i < s1->nb_loaded_dlls; i++) {
{
DLLReference *ref = s1->loaded_dlls[i]; DLLReference *ref = s1->loaded_dlls[i];
if ( ref->handle ) if ( ref->handle )
dlclose(ref->handle); dlclose(ref->handle);