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use new search_vec function to find vdso in dynamic linker

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This commit is contained in:
Rich Felker 2012-08-25 17:30:59 -04:00
parent 731e8ffdcf
commit 08b3c71410
1 changed files with 2 additions and 4 deletions
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6
src/ldso/dynlink.c
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@ -701,9 +701,8 @@ void *__dynlink(int argc, char **argv)
decode_dyn(app); decode_dyn(app);
/* Attach to vdso, if provided by the kernel */ /* Attach to vdso, if provided by the kernel */
for (i=0; auxv[i]; i+=2) { if (search_vec(auxv, aux, AT_SYSINFO_EHDR)) {
size_t vdso_base = auxv[i+1]; size_t vdso_base = *aux;
if (auxv[i] != AT_SYSINFO_EHDR) continue;
ehdr = (void *)vdso_base; ehdr = (void *)vdso_base;
phdr = (void *)(vdso_base + ehdr->e_phoff); phdr = (void *)(vdso_base + ehdr->e_phoff);
for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) { for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) {
@ -717,7 +716,6 @@ void *__dynlink(int argc, char **argv)
decode_dyn(vdso); decode_dyn(vdso);
vdso->prev = lib; vdso->prev = lib;
lib->next = vdso; lib->next = vdso;
break;
} }
/* Initial dso chain consists only of the app. We temporarily /* Initial dso chain consists only of the app. We temporarily