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| author | Paul Pluzhnikov <ppluzhnikov@google.com> | 2014-03-27 11:50:42 -0700 |
|---|---|---|
| committer | Paul Pluzhnikov <ppluzhnikov@google.com> | 2014-03-27 11:50:42 -0700 |
| commit | 277ae3f186eb9158219aacf20199cdd02ad133e7 (patch) | |
| tree | bb6bd2d42dfa549b4e2bfc3d9a2a042ca5c69156 | |
| parent | 03a7091fa2afc84e215fc99fceca52baa4b0f8f1 (diff) | |
| download | glibc-277ae3f186eb9158219aacf20199cdd02ad133e7.tar.gz glibc-277ae3f186eb9158219aacf20199cdd02ad133e7.tar.xz glibc-277ae3f186eb9158219aacf20199cdd02ad133e7.zip | |
2014-03-27 Paul Pluzhnikov <ppluzhnikov@google.com>
* elf/dl-load.c: Finish conversion of __builtin_expect into
__glibc_{un}likely.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | elf/dl-load.c | 18 |
2 files changed, 13 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog index 95733b5620..ac55c65ace 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2014-03-27 Paul Pluzhnikov <ppluzhnikov@google.com> + + * elf/dl-load.c: Finish conversion of __builtin_expect into + __glibc_{un}likely. + 2014-03-27 Joseph Myers <joseph@codesourcery.com> [BZ #16348] diff --git a/elf/dl-load.c b/elf/dl-load.c index 2d15e4108f..16b101af0c 100644 --- a/elf/dl-load.c +++ b/elf/dl-load.c @@ -1269,7 +1269,7 @@ cannot allocate TLS data structures for initial thread"); /* Length of the sections to be loaded. */ maplength = loadcmds[nloadcmds - 1].allocend - c->mapstart; - if (__builtin_expect (type, ET_DYN) == ET_DYN) + if (__glibc_likely (type == ET_DYN)) { /* This is a position-independent shared object. We can let the kernel map it anywhere it likes, but we must have space for all @@ -1767,14 +1767,13 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader, } /* See whether the ELF header is what we expect. */ - if (__builtin_expect (! VALID_ELF_HEADER (ehdr->e_ident, expected, + if (__glibc_unlikely (! VALID_ELF_HEADER (ehdr->e_ident, expected, EI_ABIVERSION) || !VALID_ELF_ABIVERSION (ehdr->e_ident[EI_OSABI], ehdr->e_ident[EI_ABIVERSION]) || memcmp (&ehdr->e_ident[EI_PAD], &expected[EI_PAD], - EI_NIDENT - EI_PAD) != 0, - 0)) + EI_NIDENT - EI_PAD) != 0)) { /* Something is wrong. */ const Elf32_Word *magp = (const void *) ehdr->e_ident; @@ -1832,10 +1831,10 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader, errstring = N_("ELF file version does not match current one"); goto call_lose; } - if (! __builtin_expect (elf_machine_matches_host (ehdr), 1)) + if (! __glibc_likely (elf_machine_matches_host (ehdr))) goto close_and_out; - else if (__builtin_expect (ehdr->e_type, ET_DYN) != ET_DYN - && __builtin_expect (ehdr->e_type, ET_EXEC) != ET_EXEC) + else if (__glibc_unlikely (ehdr->e_type != ET_DYN + && ehdr->e_type != ET_EXEC)) { errstring = N_("only ET_DYN and ET_EXEC can be loaded"); goto call_lose; @@ -2104,8 +2103,7 @@ _dl_map_object (struct link_map *loader, const char *name, /* If the requested name matches the soname of a loaded object, use that object. Elide this check for names that have not yet been opened. */ - if (__glibc_unlikely (l->l_faked != 0) - || __builtin_expect (l->l_removed, 0) != 0) + if (__glibc_unlikely ((l->l_faked | l->l_removed) != 0)) continue; if (!_dl_name_match_p (name, l)) { @@ -2230,7 +2228,7 @@ _dl_map_object (struct link_map *loader, const char *name, #ifdef USE_LDCONFIG if (fd == -1 - && (__builtin_expect (! (mode & __RTLD_SECURE), 1) + && (__glibc_likely ((mode & __RTLD_SECURE) == 0) || ! INTUSE(__libc_enable_secure)) && __glibc_likely (GLRO(dl_inhibit_cache) == 0)) { |