[tip:x86/asm] x86/asm: Remove the xyz_cfi macros from dwarf2.h

From: tip-bot for Andy Lutomirski
Date: Wed Oct 14 2015 - 11:30:42 EST


Commit-ID: af22aa7c766d50712b9afeca53e9e4208ce6284c
Gitweb: http://git.kernel.org/tip/af22aa7c766d50712b9afeca53e9e4208ce6284c
Author: Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Mon, 12 Oct 2015 17:32:13 -0700
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 14 Oct 2015 16:56:28 +0200

x86/asm: Remove the xyz_cfi macros from dwarf2.h

They are currently unused, and I don't think that anyone was
ever particularly happy with them. They had the unfortunate
property that they made it easy to CFI-annotate things without
thinking about them -- when pushing, do you want to just update
the CFA offset, or do you also want to update the saved location
of the register being pushed?

Suggested-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1447bfbd10bb268b4593b32534ecefa1f4df287e.1444696194.git.luto@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/dwarf2.h | 93 -------------------------------------------
1 file changed, 93 deletions(-)

diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h
index 09133ba..b7a1ab8 100644
--- a/arch/x86/include/asm/dwarf2.h
+++ b/arch/x86/include/asm/dwarf2.h
@@ -81,97 +81,4 @@

#endif

-/*
- * An attempt to make CFI annotations more or less
- * correct and shorter. It is implied that you know
- * what you're doing if you use them.
- */
-#ifdef __ASSEMBLY__
-#ifdef CONFIG_X86_64
- .macro pushq_cfi reg
- pushq \reg
- CFI_ADJUST_CFA_OFFSET 8
- .endm
-
- .macro pushq_cfi_reg reg
- pushq %\reg
- CFI_ADJUST_CFA_OFFSET 8
- CFI_REL_OFFSET \reg, 0
- .endm
-
- .macro popq_cfi reg
- popq \reg
- CFI_ADJUST_CFA_OFFSET -8
- .endm
-
- .macro popq_cfi_reg reg
- popq %\reg
- CFI_ADJUST_CFA_OFFSET -8
- CFI_RESTORE \reg
- .endm
-
- .macro pushfq_cfi
- pushfq
- CFI_ADJUST_CFA_OFFSET 8
- .endm
-
- .macro popfq_cfi
- popfq
- CFI_ADJUST_CFA_OFFSET -8
- .endm
-
- .macro movq_cfi reg offset=0
- movq %\reg, \offset(%rsp)
- CFI_REL_OFFSET \reg, \offset
- .endm
-
- .macro movq_cfi_restore offset reg
- movq \offset(%rsp), %\reg
- CFI_RESTORE \reg
- .endm
-#else /*!CONFIG_X86_64*/
- .macro pushl_cfi reg
- pushl \reg
- CFI_ADJUST_CFA_OFFSET 4
- .endm
-
- .macro pushl_cfi_reg reg
- pushl %\reg
- CFI_ADJUST_CFA_OFFSET 4
- CFI_REL_OFFSET \reg, 0
- .endm
-
- .macro popl_cfi reg
- popl \reg
- CFI_ADJUST_CFA_OFFSET -4
- .endm
-
- .macro popl_cfi_reg reg
- popl %\reg
- CFI_ADJUST_CFA_OFFSET -4
- CFI_RESTORE \reg
- .endm
-
- .macro pushfl_cfi
- pushfl
- CFI_ADJUST_CFA_OFFSET 4
- .endm
-
- .macro popfl_cfi
- popfl
- CFI_ADJUST_CFA_OFFSET -4
- .endm
-
- .macro movl_cfi reg offset=0
- movl %\reg, \offset(%esp)
- CFI_REL_OFFSET \reg, \offset
- .endm
-
- .macro movl_cfi_restore offset reg
- movl \offset(%esp), %\reg
- CFI_RESTORE \reg
- .endm
-#endif /*!CONFIG_X86_64*/
-#endif /*__ASSEMBLY__*/
-
#endif /* _ASM_X86_DWARF2_H */
--
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