GNU C Library master sources branch master updated. glibc-2.18-149-g0b1f8e3

[carlos at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0b1f8e35640f5b3f7af11764ade3ff060211c309

commit 0b1f8e35640f5b3f7af11764ade3ff060211c309
Author: Carlos O'Donell <carlos@redhat.com>
Date:   Mon Sep 23 01:44:38 2013 -0400

    BZ #15754: Fix test case for ARM.
    
    Statically built binaries use __pointer_chk_guard_local,
    while dynamically built binaries use __pointer_chk_guard.
    Provide the right definition depending on the test case
    we are building.

diff --git a/ChangeLog b/ChangeLog
index 5972ae0..25664f0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,11 @@
 2013-09-23  Carlos O'Donell  <carlos@redhat.com>
 
 	[BZ #15754]
+	* sysdeps/generic/stackguard-macros.h: If PTRGUARD_LOCAL use
+	__pointer_chk_guard_local, otherwise __pointer_chk_guard.
+	* elf/Makefile: Define CFLAGS-tst-ptrguard1-static.c.
+
+	[BZ #15754]
 	* elf/Makefile (tests): Add tst-ptrguard1.
 	(tests-static): Add tst-ptrguard1-static.
 	(tst-ptrguard1-ARGS): Define.
diff --git a/elf/Makefile b/elf/Makefile
index cb8da93..27d249b 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -1019,6 +1019,9 @@ tst-stackguard1-ARGS = --command "$(host-test-program-cmd) --child"
 tst-stackguard1-static-ARGS = --command "$(objpfx)tst-stackguard1-static --child"
 
 tst-ptrguard1-ARGS = --command "$(host-test-program-cmd) --child"
+# When built statically, the pointer guard interface uses
+# __pointer_chk_guard_local.
+CFLAGS-tst-ptrguard1-static.c = -DPTRGUARD_LOCAL
 tst-ptrguard1-static-ARGS = --command "$(objpfx)tst-ptrguard1-static --child"
 
 $(objpfx)tst-leaks1: $(libdl)
diff --git a/sysdeps/generic/stackguard-macros.h b/sysdeps/generic/stackguard-macros.h
index 4fa3d96..b4a6b23 100644
--- a/sysdeps/generic/stackguard-macros.h
+++ b/sysdeps/generic/stackguard-macros.h
@@ -3,5 +3,10 @@
 extern uintptr_t __stack_chk_guard;
 #define STACK_CHK_GUARD __stack_chk_guard
 
+#ifdef PTRGUARD_LOCAL
 extern uintptr_t __pointer_chk_guard_local;
-#define POINTER_CHK_GUARD __pointer_chk_guard_local
+# define POINTER_CHK_GUARD __pointer_chk_guard_local
+#else
+extern uintptr_t __pointer_chk_guard;
+# define POINTER_CHK_GUARD __pointer_chk_guard
+#endif

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                           |    5 +++++
 elf/Makefile                        |    3 +++
 sysdeps/generic/stackguard-macros.h |    7 ++++++-
 3 files changed, 14 insertions(+), 1 deletions(-)


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