diff options
Diffstat (limited to 'elf/dl-addr.c')
| -rw-r--r-- | elf/dl-addr.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/elf/dl-addr.c b/elf/dl-addr.c index d3adf12..2fda238 100644 --- a/elf/dl-addr.c +++ b/elf/dl-addr.c @@ -36,27 +36,25 @@ _dl_addr (const void *address, Dl_info *info) for (l = _dl_loaded; l; l = l->l_next) if (addr >= l->l_map_start && addr < l->l_map_end) { + /* We know ADDRESS lies within L if in any shared object. + Make sure it isn't past the end of L's segments. */ + size_t n = l->l_phnum; + if (n > 0) + { + do + --n; + while (l->l_phdr[n].p_type != PT_LOAD); + if (addr >= (l->l_addr + + l->l_phdr[n].p_vaddr + l->l_phdr[n].p_memsz)) + /* Off the end of the highest-addressed shared object. */ + continue; + } + match = l; break; } - if (__builtin_expect (match != NULL, 1)) - { - /* We know ADDRESS lies within MATCH if in any shared object. - Make sure it isn't past the end of MATCH's segments. */ - size_t n = match->l_phnum; - if (n > 0) - { - do - --n; - while (match->l_phdr[n].p_type != PT_LOAD); - if (addr >= (match->l_addr + - match->l_phdr[n].p_vaddr + match->l_phdr[n].p_memsz)) - /* Off the end of the highest-addressed shared object. */ - return 0; - } - } - else + if (match == NULL) return 0; /* Now we know what object the address lies in. */ |