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Diffstat (limited to 'elf')
-rw-r--r--elf/dl-load.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c
index c6af48595d..e7747faf22 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -902,12 +902,14 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
case PT_LOAD:
/* A load command tells us to map in part of the file.
We record the load commands and process them all later. */
- if ((ph->p_align & (GL(dl_pagesize) - 1)) != 0)
+ if (__builtin_expect ((ph->p_align & (GL(dl_pagesize) - 1)) != 0,
+ 0))
{
errstring = N_("ELF load command alignment not page-aligned");
goto call_lose;
}
- if (((ph->p_vaddr - ph->p_offset) & (ph->p_align - 1)) != 0)
+ if (__builtin_expect (((ph->p_vaddr - ph->p_offset)
+ & (ph->p_align - 1)) != 0, 0))
{
errstring
= N_("ELF load command address/offset not properly aligned");
@@ -988,7 +990,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
l->l_map_start = (ElfW(Addr)) __mmap ((void *) mappref, maplength,
c->prot, MAP_COPY | MAP_FILE,
fd, c->mapoff);
- if ((void *) l->l_map_start == MAP_FAILED)
+ if (__builtin_expect ((void *) l->l_map_start == MAP_FAILED, 0))
{
map_error:
errstring = N_("failed to map segment from shared object");
@@ -1068,8 +1070,13 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
if ((c->prot & PROT_WRITE) == 0)
{
/* Dag nab it. */
- if (__mprotect ((caddr_t) (zero & ~(GL(dl_pagesize) - 1)),
- GL(dl_pagesize), c->prot|PROT_WRITE) < 0)
+ if (__builtin_expect (__mprotect ((caddr_t)
+ (zero
+ & ~(GL(dl_pagesize)
+ - 1)),
+ GL(dl_pagesize),
+ c->prot|PROT_WRITE) < 0,
+ 0))
{
errstring = N_("cannot change memory protections");
goto call_lose_errno;
@@ -1088,7 +1095,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
mapat = __mmap ((caddr_t) zeropage, zeroend - zeropage,
c->prot, MAP_ANON|MAP_PRIVATE|MAP_FIXED,
ANONFD, 0);
- if (mapat == MAP_FAILED)
+ if (__builtin_expect (mapat == MAP_FAILED, 0))
{
errstring = N_("cannot map zero-fill pages");
goto call_lose_errno;
@@ -1137,7 +1144,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
if (l->l_ld == 0)
{
- if (type == ET_DYN)
+ if (__builtin_expect (type == ET_DYN, 0))
{
errstring = N_("object file has no dynamic section");
goto call_lose;
@@ -1811,7 +1818,7 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
fd = open_path (name, namelen, preloaded, &rtld_search_dirs,
&realname, &fb);
- /* Add another newline when we a tracing the library loading. */
+ /* Add another newline when we are tracing the library loading. */
if (__builtin_expect (GL(dl_debug_mask) & DL_DEBUG_LIBS, 0))
INTUSE(_dl_debug_printf) ("\n");
}