Messages in this thread Patch in this message | | | Date | Wed, 8 Oct 2014 03:33:23 -0700 | From | tip-bot for Jan Beulich <> | Subject | [tip:x86/asm] x86: Unwind-annotate thunk_32.S |
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Commit-ID: f74954f01ec9bb2004bcc24f247d1f26f1063ad2 Gitweb: http://git.kernel.org/tip/f74954f01ec9bb2004bcc24f247d1f26f1063ad2 Author: Jan Beulich <JBeulich@suse.com> AuthorDate: Wed, 24 Sep 2014 08:41:30 +0100 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 8 Oct 2014 12:31:45 +0200
x86: Unwind-annotate thunk_32.S
Signed-off-by: Jan Beulich <jbeulich@suse.com> Link: http://lkml.kernel.org/r/542291CA0200007800038085@mail.emea.novell.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- arch/x86/lib/thunk_32.S | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/arch/x86/lib/thunk_32.S b/arch/x86/lib/thunk_32.S index e9acf5f..e28cdaf 100644 --- a/arch/x86/lib/thunk_32.S +++ b/arch/x86/lib/thunk_32.S @@ -6,14 +6,19 @@ */ #include <linux/linkage.h> #include <asm/asm.h> + #include <asm/dwarf2.h> /* put return address in eax (arg1) */ .macro THUNK name, func, put_ret_addr_in_eax=0 .globl \name \name: - pushl %eax - pushl %ecx - pushl %edx + CFI_STARTPROC + pushl_cfi %eax + CFI_REL_OFFSET eax, 0 + pushl_cfi %ecx + CFI_REL_OFFSET ecx, 0 + pushl_cfi %edx + CFI_REL_OFFSET edx, 0 .if \put_ret_addr_in_eax /* Place EIP in the arg1 */ @@ -21,10 +26,14 @@ .endif call \func - popl %edx - popl %ecx - popl %eax + popl_cfi %edx + CFI_RESTORE edx + popl_cfi %ecx + CFI_RESTORE ecx + popl_cfi %eax + CFI_RESTORE eax ret + CFI_ENDPROC _ASM_NOKPROBE(\name) .endm
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