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authorFlorian Weimer <fweimer@redhat.com>2016-11-30 16:23:58 +0100
committerFlorian Weimer <fweimer@redhat.com>2016-11-30 16:23:58 +0100
commitb04beebf0731c0da49bf9113bf299acf56e4c2e5 (patch)
treee9d30cedb0a14f36f23dcab98641603c2cbe92dc /elf/dl-minimal.c
parent9e78f6f6e7134a5f299cc8de77370218f8019237 (diff)
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ld.so: Remove __libc_memalign
It is no longer needed since commit 6c444ad6e953dbdf9c7be065308a0a777 (elf: Do not use memalign for TCB/TLS blocks allocation [BZ #17730]). Applications do not link against ld.so and will use the definition in libc.so, so there is no ABI impact.
Diffstat (limited to 'elf/dl-minimal.c')
-rw-r--r--elf/dl-minimal.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/elf/dl-minimal.c b/elf/dl-minimal.c
index 6034b5a..116ec49 100644
--- a/elf/dl-minimal.c
+++ b/elf/dl-minimal.c
@@ -31,8 +31,10 @@
#include <assert.h>
-/* Minimal `malloc' allocator for use while loading shared libraries.
- No block is ever freed. */
+/* Minimal malloc allocator for used during initial link. After the
+ initial link, a full malloc implementation is interposed, either
+ the one in libc, or a different one supplied by the user through
+ interposition. */
static void *alloc_ptr, *alloc_end, *alloc_last_block;
@@ -49,7 +51,7 @@ extern unsigned long int weak_function strtoul (const char *nptr,
/* Allocate an aligned memory block. */
void * weak_function
-__libc_memalign (size_t align, size_t n)
+malloc (size_t n)
{
if (alloc_end == 0)
{
@@ -62,8 +64,8 @@ __libc_memalign (size_t align, size_t n)
}
/* Make sure the allocation pointer is ideally aligned. */
- alloc_ptr = (void *) 0 + (((alloc_ptr - (void *) 0) + align - 1)
- & ~(align - 1));
+ alloc_ptr = (void *) 0 + (((alloc_ptr - (void *) 0) + MALLOC_ALIGNMENT - 1)
+ & ~(MALLOC_ALIGNMENT - 1));
if (alloc_ptr + n >= alloc_end || n >= -(uintptr_t) alloc_ptr)
{
@@ -88,12 +90,6 @@ __libc_memalign (size_t align, size_t n)
return alloc_last_block;
}
-void * weak_function
-malloc (size_t n)
-{
- return __libc_memalign (MALLOC_ALIGNMENT, n);
-}
-
/* We use this function occasionally since the real implementation may
be optimized when it can assume the memory it returns already is
set to NUL. */