GNU C Library master sources branch release/2.18/master updated. glibc-2.18-14-gc616775

[mshawcroft at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=c616775d2c6df31786b71b4e135fba90b4a63f89

commit c616775d2c6df31786b71b4e135fba90b4a63f89
Author: Tom Tromey <tromey@redhat.com>
Date:   Mon Jan 20 12:58:03 2014 +0000

    [AArch64] BZ #16169 Add CFI directives to clone.S
    
    [BZ #16169] Add CFI directives to the AArch64 clone.S implementation
    and ensure that the FP in the child is zero'd in order to comply with
    AAPCS.
    (cherry picked from commit 3a3acb6afc753475675b5724f206e619d0c9590d)
    
    Conflicts:
    
    	NEWS

diff --git a/NEWS b/NEWS
index 2e8bb16..c914dad 100644
--- a/NEWS
+++ b/NEWS
@@ -9,7 +9,7 @@ Version 2.18.1
 
 * The following bugs are resolved with this release:
 
-  15073, 15128, 15909, 15996, 16150, 16387.
+  15073, 15128, 15909, 15996, 16150, 16169, 16387.
 
 Version 2.18
 
diff --git a/ports/ChangeLog.aarch64 b/ports/ChangeLog.aarch64
index ce2fd5c..8925932 100644
--- a/ports/ChangeLog.aarch64
+++ b/ports/ChangeLog.aarch64
@@ -1,3 +1,9 @@
+2014-01-20  Tom Tromey  <tromey@redhat.com>
+
+	[BZ #16169]
+	* sysdeps/unix/sysv/linux/aarch64/clone.S (__clone): Add CFI
+	directives;  Zero x29.
+
 2014-01-07  Marcus Shawcroft  <marcus.shawcroft@linaro.org>
 
 	[BZ #16387]
diff --git a/ports/sysdeps/unix/sysv/linux/aarch64/clone.S b/ports/sysdeps/unix/sysv/linux/aarch64/clone.S
index b359e6e..7d88169 100644
--- a/ports/sysdeps/unix/sysv/linux/aarch64/clone.S
+++ b/ports/sysdeps/unix/sysv/linux/aarch64/clone.S
@@ -63,6 +63,7 @@ ENTRY(__clone)
 	mov	x8, #SYS_ify(clone)
 	/* X0:flags, x1:newsp, x2:parenttidptr, x3:newtls, x4:childtid.  */
 	svc	0x0
+	cfi_endproc
 	cmp	x0, #0
 	beq	2f
 	blt	3f
@@ -72,6 +73,9 @@ ENTRY(__clone)
 	b	syscall_error
 
 2:
+	cfi_startproc
+	cfi_undefined (x30)
+	mov	x29, 0
 #ifdef RESET_PID
 	tbnz	x5, #CLONE_THREAD_BIT, 3f
 	mov	x0, #-1
@@ -93,7 +97,8 @@ ENTRY(__clone)
 
 	/* We are done, pass the return value through x0.  */
 	b	HIDDEN_JUMPTARGET(_exit)
-
+	cfi_endproc
+	cfi_startproc
 PSEUDO_END (__clone)
 
 weak_alias (__clone, clone)

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

Summary of changes:
 NEWS                                          |    2 +-
 ports/ChangeLog.aarch64                       |    6 ++++++
 ports/sysdeps/unix/sysv/linux/aarch64/clone.S |    7 ++++++-
 3 files changed, 13 insertions(+), 2 deletions(-)


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