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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /arch/x86/lib/rwsem.S
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'arch/x86/lib/rwsem.S')
-rw-r--r--arch/x86/lib/rwsem.S49
1 files changed, 20 insertions, 29 deletions
diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S
index 2322abe4d..40027db99 100644
--- a/arch/x86/lib/rwsem.S
+++ b/arch/x86/lib/rwsem.S
@@ -15,7 +15,6 @@
#include <linux/linkage.h>
#include <asm/alternative-asm.h>
-#include <asm/dwarf2.h>
#define __ASM_HALF_REG(reg) __ASM_SEL(reg, e##reg)
#define __ASM_HALF_SIZE(inst) __ASM_SEL(inst##w, inst##l)
@@ -34,10 +33,10 @@
*/
#define save_common_regs \
- pushl_cfi_reg ecx
+ pushl %ecx
#define restore_common_regs \
- popl_cfi_reg ecx
+ popl %ecx
/* Avoid uglifying the argument copying x86-64 needs to do. */
.macro movq src, dst
@@ -64,50 +63,45 @@
*/
#define save_common_regs \
- pushq_cfi_reg rdi; \
- pushq_cfi_reg rsi; \
- pushq_cfi_reg rcx; \
- pushq_cfi_reg r8; \
- pushq_cfi_reg r9; \
- pushq_cfi_reg r10; \
- pushq_cfi_reg r11
+ pushq %rdi; \
+ pushq %rsi; \
+ pushq %rcx; \
+ pushq %r8; \
+ pushq %r9; \
+ pushq %r10; \
+ pushq %r11
#define restore_common_regs \
- popq_cfi_reg r11; \
- popq_cfi_reg r10; \
- popq_cfi_reg r9; \
- popq_cfi_reg r8; \
- popq_cfi_reg rcx; \
- popq_cfi_reg rsi; \
- popq_cfi_reg rdi
+ popq %r11; \
+ popq %r10; \
+ popq %r9; \
+ popq %r8; \
+ popq %rcx; \
+ popq %rsi; \
+ popq %rdi
#endif
/* Fix up special calling conventions */
ENTRY(call_rwsem_down_read_failed)
- CFI_STARTPROC
save_common_regs
- __ASM_SIZE(push,_cfi_reg) __ASM_REG(dx)
+ __ASM_SIZE(push,) %__ASM_REG(dx)
movq %rax,%rdi
call rwsem_down_read_failed
- __ASM_SIZE(pop,_cfi_reg) __ASM_REG(dx)
+ __ASM_SIZE(pop,) %__ASM_REG(dx)
restore_common_regs
ret
- 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
- CFI_ENDPROC
ENDPROC(call_rwsem_down_write_failed)
ENTRY(call_rwsem_wake)
- CFI_STARTPROC
/* do nothing if still outstanding active readers */
__ASM_HALF_SIZE(dec) %__ASM_HALF_REG(dx)
jnz 1f
@@ -116,17 +110,14 @@ ENTRY(call_rwsem_wake)
call rwsem_wake
restore_common_regs
1: ret
- CFI_ENDPROC
ENDPROC(call_rwsem_wake)
ENTRY(call_rwsem_downgrade_wake)
- CFI_STARTPROC
save_common_regs
- __ASM_SIZE(push,_cfi_reg) __ASM_REG(dx)
+ __ASM_SIZE(push,) %__ASM_REG(dx)
movq %rax,%rdi
call rwsem_downgrade_wake
- __ASM_SIZE(pop,_cfi_reg) __ASM_REG(dx)
+ __ASM_SIZE(pop,) %__ASM_REG(dx)
restore_common_regs
ret
- CFI_ENDPROC
ENDPROC(call_rwsem_downgrade_wake)