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[committed] Add some CFI annotations on hppa

Message ID 7E8593C2-3382-428F-BDD9-260B024E1679@bell.net
State Committed
Headers show

Commit Message

John David Anglin July 16, 2017, 5:27 p.m. UTC
This change adds some CFI annotations to a few functions.  It probably has no functional
impact.

Dave
--
John David Anglin	dave.anglin@bell.net
2017-07-16  John David Anglin  <danglin@gcc.gnu.org>

	* sysdeps/unix/sysv/linux/hppa/clone.S (__clone): Add .cfi annotation.
	* sysdeps/unix/sysv/linux/hppa/getcontext.S (__getcontext): Likewise.
	* sysdeps/unix/sysv/linux/hppa/pt-vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/hppa/setcontext.S (__setcontext): Likewise.
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Patch

diff --git a/sysdeps/unix/sysv/linux/hppa/clone.S b/sysdeps/unix/sysv/linux/hppa/clone.S
index 8c43944c7a..ead3c9227a 100644
--- a/sysdeps/unix/sysv/linux/hppa/clone.S
+++ b/sysdeps/unix/sysv/linux/hppa/clone.S
@@ -64,9 +64,12 @@ 
 ENTRY(__clone)
 	/* Prologue */
 	stwm	%r4, 64(%sp)
+	.cfi_def_cfa_offset -64
+	.cfi_offset 4, 0
 	stw	%sp, -4(%sp)
 #ifdef PIC
 	stw	%r19, -32(%sp)
+	.cfi_offset 19, 32
 #endif
 
 	/* Sanity check arguments.  */
diff --git a/sysdeps/unix/sysv/linux/hppa/getcontext.S b/sysdeps/unix/sysv/linux/hppa/getcontext.S
index 2d7529b3e8..68a74a0b7e 100644
--- a/sysdeps/unix/sysv/linux/hppa/getcontext.S
+++ b/sysdeps/unix/sysv/linux/hppa/getcontext.S
@@ -130,8 +130,11 @@  ENTRY(__getcontext)
 
 	/* Prologue */
 	stwm	%r4, 64(%sp)
+	.cfi_def_cfa_offset -64
+	.cfi_offset 4, 0
 #ifdef PIC
 	stw	%r19, -32(%sp)
+	.cfi_offset 19, 32
 #endif
 
 	/* Set up the trampoline registers.
diff --git a/sysdeps/unix/sysv/linux/hppa/pt-vfork.S b/sysdeps/unix/sysv/linux/hppa/pt-vfork.S
index fc4573c86b..8b7d7df2fe 100644
--- a/sysdeps/unix/sysv/linux/hppa/pt-vfork.S
+++ b/sysdeps/unix/sysv/linux/hppa/pt-vfork.S
@@ -58,7 +58,10 @@  ENTRY(__vfork)
 	   that there is no child now, so it's safe to create
 	   a frame.  */
 	stw	%rp, -20(%sp)
+	.cfi_offset 2, -20
 	stwm	%r3, 64(%sp)
+	.cfi_def_cfa_offset -64
+	.cfi_offset 3, 0
 	stw	%sp, -4(%sp)
 
 	sub	%r0,%ret0,%r3
diff --git a/sysdeps/unix/sysv/linux/hppa/setcontext.S b/sysdeps/unix/sysv/linux/hppa/setcontext.S
index 848d02e908..92cb204f8d 100644
--- a/sysdeps/unix/sysv/linux/hppa/setcontext.S
+++ b/sysdeps/unix/sysv/linux/hppa/setcontext.S
@@ -26,8 +26,11 @@ 
 ENTRY(__setcontext)
 	/* Prologue */
 	stwm	%r3, 64(%sp)
+	.cfi_def_cfa_offset -64
+	.cfi_offset 3, 0
 #ifdef PIC
 	stw	%r19, -32(%sp)
+	.cfi_offset 19, 32
 #endif
 
 	/* Save ucp.  */