Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=426458d004001ed323073c67b46963f024880ec1
Commit: 426458d004001ed323073c67b46963f024880ec1
Parent: f11cfb424c78ef8a6d9fc80922577756cec00282
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 11:15:29 2007 +0200
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 11:15:29 2007 +0200
x86_64: prepare shared lib/thunk.S
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
arch/x86_64/lib/Makefile | 2 +-
arch/x86_64/lib/thunk.S | 67 --------------------------------------------
arch/x86_64/lib/thunk_64.S | 67 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 68 insertions(+), 68 deletions(-)
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index c943271..0ac0033 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -9,5 +9,5 @@ obj-$(CONFIG_SMP) += msr-on-cpu.o
lib-y := csum-partial.o csum-copy.o csum-wrappers.o delay.o \
usercopy.o getuser.o putuser.o \
- thunk.o clear_page.o copy_page.o bitstr.o bitops.o
+ thunk_64.o clear_page.o copy_page.o bitstr.o bitops.o
lib-y += memcpy.o memmove.o memset.o copy_user.o rwlock.o copy_user_nocache.o
diff --git a/arch/x86_64/lib/thunk.S b/arch/x86_64/lib/thunk.S
deleted file mode 100644
index 55e586d..0000000
--- a/arch/x86_64/lib/thunk.S
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Save registers before calling assembly functions. This avoids
- * disturbance of register allocation in some inline assembly constructs.
- * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
- * Subject to the GNU public license, v.2. No warranty of any kind.
- */
-
- #include <linux/linkage.h>
- #include <asm/dwarf2.h>
- #include <asm/calling.h>
- #include <asm/rwlock.h>
-
- /* rdi: arg1 ... normal C conventions. rax is saved/restored. */
- .macro thunk name,func
- .globl \name
-\name:
- CFI_STARTPROC
- SAVE_ARGS
- call \func
- jmp restore
- CFI_ENDPROC
- .endm
-
- /* rdi: arg1 ... normal C conventions. rax is passed from C. */
- .macro thunk_retrax name,func
- .globl \name
-\name:
- CFI_STARTPROC
- SAVE_ARGS
- call \func
- jmp restore_norax
- CFI_ENDPROC
- .endm
-
-
- .section .sched.text
-#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
- thunk rwsem_down_read_failed_thunk,rwsem_down_read_failed
- thunk rwsem_down_write_failed_thunk,rwsem_down_write_failed
- thunk rwsem_wake_thunk,rwsem_wake
- thunk rwsem_downgrade_thunk,rwsem_downgrade_wake
-#endif
-
- thunk __down_failed,__down
- thunk_retrax __down_failed_interruptible,__down_interruptible
- thunk_retrax __down_failed_trylock,__down_trylock
- thunk __up_wakeup,__up
-
-#ifdef CONFIG_TRACE_IRQFLAGS
- thunk trace_hardirqs_on_thunk,trace_hardirqs_on
- thunk trace_hardirqs_off_thunk,trace_hardirqs_off
-#endif
-
- /* SAVE_ARGS below is used only for the .cfi directives it contains. */
- CFI_STARTPROC
- SAVE_ARGS
-restore:
- RESTORE_ARGS
- ret
- CFI_ENDPROC
-
- CFI_STARTPROC
- SAVE_ARGS
-restore_norax:
- RESTORE_ARGS 1
- ret
- CFI_ENDPROC
diff --git a/arch/x86_64/lib/thunk_64.S b/arch/x86_64/lib/thunk_64.S
new file mode 100644
index 0000000..55e586d
--- /dev/null
+++ b/arch/x86_64/lib/thunk_64.S
@@ -0,0 +1,67 @@
+/*
+ * Save registers before calling assembly functions. This avoids
+ * disturbance of register allocation in some inline assembly constructs.
+ * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
+ * Subject to the GNU public license, v.2. No warranty of any kind.
+ */
+
+ #include <linux/linkage.h>
+ #include <asm/dwarf2.h>
+ #include <asm/calling.h>
+ #include <asm/rwlock.h>
+
+ /* rdi: arg1 ... normal C conventions. rax is saved/restored. */
+ .macro thunk name,func
+ .globl \name
+\name:
+ CFI_STARTPROC
+ SAVE_ARGS
+ call \func
+ jmp restore
+ CFI_ENDPROC
+ .endm
+
+ /* rdi: arg1 ... normal C conventions. rax is passed from C. */
+ .macro thunk_retrax name,func
+ .globl \name
+\name:
+ CFI_STARTPROC
+ SAVE_ARGS
+ call \func
+ jmp restore_norax
+ CFI_ENDPROC
+ .endm
+
+
+ .section .sched.text
+#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
+ thunk rwsem_down_read_failed_thunk,rwsem_down_read_failed
+ thunk rwsem_down_write_failed_thunk,rwsem_down_write_failed
+ thunk rwsem_wake_thunk,rwsem_wake
+ thunk rwsem_downgrade_thunk,rwsem_downgrade_wake
+#endif
+
+ thunk __down_failed,__down
+ thunk_retrax __down_failed_interruptible,__down_interruptible
+ thunk_retrax __down_failed_trylock,__down_trylock
+ thunk __up_wakeup,__up
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+ thunk trace_hardirqs_on_thunk,trace_hardirqs_on
+ thunk trace_hardirqs_off_thunk,trace_hardirqs_off
+#endif
+
+ /* SAVE_ARGS below is used only for the .cfi directives it contains. */
+ CFI_STARTPROC
+ SAVE_ARGS
+restore:
+ RESTORE_ARGS
+ ret
+ CFI_ENDPROC
+
+ CFI_STARTPROC
+ SAVE_ARGS
+restore_norax:
+ RESTORE_ARGS 1
+ ret
+ CFI_ENDPROC
-
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