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Date: Mon, 28 Feb 2011 17:28:12 GMT From: tip-bot for Jan Beulich <JBeulich@...ell.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com, jbeulich@...ell.com, heukelum@...tmail.fm, JBeulich@...ell.com, tglx@...utronix.de, mingo@...e.hu Subject: [tip:x86/asm] x86-64: Add CFI annotations to lib/rwsem_64.S Commit-ID: 39f2205e1abd1b6fffdaf45e1f1c3049a5f8999c Gitweb: http://git.kernel.org/tip/39f2205e1abd1b6fffdaf45e1f1c3049a5f8999c Author: Jan Beulich <JBeulich@...ell.com> AuthorDate: Mon, 28 Feb 2011 15:31:59 +0000 Committer: Ingo Molnar <mingo@...e.hu> CommitDate: Mon, 28 Feb 2011 18:06:21 +0100 x86-64: Add CFI annotations to lib/rwsem_64.S These weren't part of the initial commit of this code. Signed-off-by: Jan Beulich <jbeulich@...ell.com> Cc: Alexander van Heukelum <heukelum@...tmail.fm> LKML-Reference: <4D6BCDFF02000078000341B0@....id2.novell.com> Signed-off-by: Ingo Molnar <mingo@...e.hu> --- arch/x86/lib/rwsem_64.S | 56 ++++++++++++++++++++++++++++------------------ 1 files changed, 34 insertions(+), 22 deletions(-) diff --git a/arch/x86/lib/rwsem_64.S b/arch/x86/lib/rwsem_64.S index 41fcf00..6774397 100644 --- a/arch/x86/lib/rwsem_64.S +++ b/arch/x86/lib/rwsem_64.S @@ -23,43 +23,50 @@ #include <asm/dwarf2.h> #define save_common_regs \ - pushq %rdi; \ - pushq %rsi; \ - pushq %rcx; \ - pushq %r8; \ - pushq %r9; \ - pushq %r10; \ - pushq %r11 + pushq_cfi %rdi; CFI_REL_OFFSET rdi, 0; \ + pushq_cfi %rsi; CFI_REL_OFFSET rsi, 0; \ + pushq_cfi %rcx; CFI_REL_OFFSET rcx, 0; \ + pushq_cfi %r8; CFI_REL_OFFSET r8, 0; \ + pushq_cfi %r9; CFI_REL_OFFSET r9, 0; \ + pushq_cfi %r10; CFI_REL_OFFSET r10, 0; \ + pushq_cfi %r11; CFI_REL_OFFSET r11, 0 #define restore_common_regs \ - popq %r11; \ - popq %r10; \ - popq %r9; \ - popq %r8; \ - popq %rcx; \ - popq %rsi; \ - popq %rdi + popq_cfi %r11; CFI_RESTORE r11; \ + popq_cfi %r10; CFI_RESTORE r10; \ + popq_cfi %r9; CFI_RESTORE r9; \ + popq_cfi %r8; CFI_RESTORE r8; \ + popq_cfi %rcx; CFI_RESTORE rcx; \ + popq_cfi %rsi; CFI_RESTORE rsi; \ + popq_cfi %rdi; CFI_RESTORE rdi /* Fix up special calling conventions */ ENTRY(call_rwsem_down_read_failed) + CFI_STARTPROC save_common_regs - pushq %rdx + pushq_cfi %rdx + CFI_REL_OFFSET rdx, 0 movq %rax,%rdi call rwsem_down_read_failed - popq %rdx + popq_cfi %rdx + CFI_RESTORE rdx restore_common_regs ret - ENDPROC(call_rwsem_down_read_failed) + CFI_ENDPROC +ENDPROC(call_rwsem_down_read_failed) ENTRY(call_rwsem_down_write_failed) + CFI_STARTPROC save_common_regs movq %rax,%rdi call rwsem_down_write_failed restore_common_regs ret - ENDPROC(call_rwsem_down_write_failed) + CFI_ENDPROC +ENDPROC(call_rwsem_down_write_failed) ENTRY(call_rwsem_wake) + CFI_STARTPROC decl %edx /* do nothing if still outstanding active readers */ jnz 1f save_common_regs @@ -67,15 +74,20 @@ ENTRY(call_rwsem_wake) call rwsem_wake restore_common_regs 1: ret - ENDPROC(call_rwsem_wake) + CFI_ENDPROC +ENDPROC(call_rwsem_wake) /* Fix up special calling conventions */ ENTRY(call_rwsem_downgrade_wake) + CFI_STARTPROC save_common_regs - pushq %rdx + pushq_cfi %rdx + CFI_REL_OFFSET rdx, 0 movq %rax,%rdi call rwsem_downgrade_wake - popq %rdx + popq_cfi %rdx + CFI_RESTORE rdx restore_common_regs ret - ENDPROC(call_rwsem_downgrade_wake) + CFI_ENDPROC +ENDPROC(call_rwsem_downgrade_wake) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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