* [committed] Add some CFI annotations on hppa
@ 2017-07-16 17:27 John David Anglin
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From: John David Anglin @ 2017-07-16 17:27 UTC (permalink / raw)
To: GNU C Library
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This change adds some CFI annotations to a few functions. It probably has no functional
impact.
Dave
--
John David Anglin dave.anglin@bell.net
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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.
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. */
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2017-07-16 17:27 [committed] Add some CFI annotations on hppa John David Anglin
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