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2014-03-27 Paul Pluzhnikov <ppluzhnikov@google.com>

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* elf/dl-load.c: Finish conversion of __builtin_expect into
	__glibc_{un}likely.
This commit is contained in:
Paul Pluzhnikov 2014-03-27 11:50:42 -07:00
parent 03a7091fa2
commit 277ae3f186
2 changed files with 13 additions and 10 deletions
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5
ChangeLog
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@ -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]

18
elf/dl-load.c
View File

@ -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))
{