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-rw-r--r--ChangeLog8
-rw-r--r--Makerules16
-rw-r--r--csu/version.c8
-rw-r--r--elf/dl-load.c6
4 files changed, 32 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog
index e878159..21137d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2010-03-15 Ulrich Drepper <drepper@redhat.com>
+
+ * Makerules: Add rule for libc-abis.h.
+ * csu/version.c: Use LIBC_ABIS_STRING string if available.
+ * elf/dl-load.c (VALID_ELF_ABIVERSION): Check using LIBC_ABI_MAX.
+ (open_verify): Only check EI_ABIVERSION bytes using VALID_ELF_HEADER.
+ Add extra call to VALID_ELF_ABIVERSION.
+
2010-03-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/sys/mount.h (UMOUNT_NOFOLLOW): Define.
diff --git a/Makerules b/Makerules
index 43fa5a7..d5ff383 100644
--- a/Makerules
+++ b/Makerules
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2006,2007,2008,2009 Free Software Foundation, Inc.
+# Copyright (C) 1991-2006,2007,2008,2009,2010 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
@@ -109,6 +109,18 @@ $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h
endif # avoid-generated
endif # $(versioning) = yes
+ifndef avoid-generated
+before-compile := $(common-objpfx)libc-abis.h $(before-compile)
+libc-abis := $(firstword $(wildcard $(foreach D,$(add-ons), $(..)libc-abis)) \
+ libc-abis)
+$(common-objpfx)libc-abis.h: $(..)scripts/gen-libc-abis $(libc-abis)
+ $(SHELL) $(..)scripts/gen-libc-abis \
+ $(base-machine)-$(config-vendor)-$(config-os) \
+ < $(libc-abis) > $@T
+ $(move-if-change) $@T $@
+common-generated += $(common-objpfx)libc-abis.h
+endif # avoid-generated
+
# Make sure the subdirectory for object files gets created.
ifdef objpfx
ifeq (,$(wildcard $(objpfx).))
@@ -1395,7 +1407,7 @@ $(objpfx)stubs: $(objs-for-stubs)
ifneq (,$(strip $(objs-for-stubs)))
(cd $(objpfx).; $(OBJDUMP) -h $(patsubst $(objpfx)%,%,$^)) | \
$(AWK) '/\.gnu\.glibc-stub\./ { \
- sub(/\.gnu\.glibc-stub\./, "", $$2); \
+ sub(/\.gnu\.glibc-stub\./, "", $$2); \
stubs[$$2] = 1; } \
END { for (s in stubs) print "#define __stub_" s }' > $@T
mv -f $@T $@
diff --git a/csu/version.c b/csu/version.c
index db913be..8e32f31 100644
--- a/csu/version.c
+++ b/csu/version.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -18,6 +18,7 @@
#include "version.h"
#include <tls.h>
+#include <libc-abis.h>
#include <gnu/libc-version.h>
static const char __libc_release[] = RELEASE;
@@ -25,12 +26,15 @@ static const char __libc_version[] = VERSION;
static const char banner[] =
"GNU C Library "RELEASE" release version "VERSION", by Roland McGrath et al.\n\
-Copyright (C) 2009 Free Software Foundation, Inc.\n\
+Copyright (C) 2010 Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions.\n\
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
PARTICULAR PURPOSE.\n\
Compiled by GNU CC version "__VERSION__".\n"
#include "version-info.h"
+#ifdef LIBC_ABIS_STRING
+LIBC_ABIS_STRING
+#endif
#ifdef GLIBC_OLDEST_ABI
"The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n"
#endif
diff --git a/elf/dl-load.c b/elf/dl-load.c
index e8c7be5..1cfab35 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1569,7 +1569,7 @@ open_verify (const char *name, struct filebuf *fbp, struct link_map *loader,
#ifndef VALID_ELF_HEADER
# define VALID_ELF_HEADER(hdr,exp,size) (memcmp (hdr, exp, size) == 0)
# define VALID_ELF_OSABI(osabi) (osabi == ELFOSABI_SYSV)
-# define VALID_ELF_ABIVERSION(ver) (ver == 0)
+# define VALID_ELF_ABIVERSION(ver) (ver < LIBC_ABI_MAX)
#elif defined MORE_ELF_HEADER_DATA
MORE_ELF_HEADER_DATA;
#endif
@@ -1655,7 +1655,9 @@ 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,
- EI_PAD), 0))
+ EI_ABIVERSION)
+ || !VALID_ELF_ABIVERSION (ehdr->e_ident[EI_ABIVERSION]),
+ 0))
{
/* Something is wrong. */
const Elf32_Word *magp = (const void *) ehdr->e_ident;