x86: clean up include/asm-x86/calling.h
clean up include/asm-x86/calling.h.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/asm-x86/calling.h b/include/asm-x86/calling.h
index 6f4f63a..f13e62e 100644
--- a/include/asm-x86/calling.h
+++ b/include/asm-x86/calling.h
@@ -1,162 +1,168 @@
-/*
+/*
* Some macros to handle stack frames in assembly.
- */
+ */
+#define R15 0
+#define R14 8
+#define R13 16
+#define R12 24
+#define RBP 32
+#define RBX 40
-#define R15 0
-#define R14 8
-#define R13 16
-#define R12 24
-#define RBP 32
-#define RBX 40
/* arguments: interrupts/non tracing syscalls only save upto here*/
-#define R11 48
-#define R10 56
-#define R9 64
-#define R8 72
-#define RAX 80
-#define RCX 88
-#define RDX 96
-#define RSI 104
-#define RDI 112
-#define ORIG_RAX 120 /* + error_code */
-/* end of arguments */
-/* cpu exception frame or undefined in case of fast syscall. */
-#define RIP 128
-#define CS 136
-#define EFLAGS 144
-#define RSP 152
-#define SS 160
-#define ARGOFFSET R11
-#define SWFRAME ORIG_RAX
+#define R11 48
+#define R10 56
+#define R9 64
+#define R8 72
+#define RAX 80
+#define RCX 88
+#define RDX 96
+#define RSI 104
+#define RDI 112
+#define ORIG_RAX 120 /* + error_code */
+/* end of arguments */
- .macro SAVE_ARGS addskip=0,norcx=0,nor891011=0
- subq $9*8+\addskip,%rsp
+/* cpu exception frame or undefined in case of fast syscall. */
+#define RIP 128
+#define CS 136
+#define EFLAGS 144
+#define RSP 152
+#define SS 160
+
+#define ARGOFFSET R11
+#define SWFRAME ORIG_RAX
+
+ .macro SAVE_ARGS addskip=0, norcx=0, nor891011=0
+ subq $9*8+\addskip, %rsp
CFI_ADJUST_CFA_OFFSET 9*8+\addskip
- movq %rdi,8*8(%rsp)
- CFI_REL_OFFSET rdi,8*8
- movq %rsi,7*8(%rsp)
- CFI_REL_OFFSET rsi,7*8
- movq %rdx,6*8(%rsp)
- CFI_REL_OFFSET rdx,6*8
+ movq %rdi, 8*8(%rsp)
+ CFI_REL_OFFSET rdi, 8*8
+ movq %rsi, 7*8(%rsp)
+ CFI_REL_OFFSET rsi, 7*8
+ movq %rdx, 6*8(%rsp)
+ CFI_REL_OFFSET rdx, 6*8
.if \norcx
.else
- movq %rcx,5*8(%rsp)
- CFI_REL_OFFSET rcx,5*8
+ movq %rcx, 5*8(%rsp)
+ CFI_REL_OFFSET rcx, 5*8
.endif
- movq %rax,4*8(%rsp)
- CFI_REL_OFFSET rax,4*8
+ movq %rax, 4*8(%rsp)
+ CFI_REL_OFFSET rax, 4*8
.if \nor891011
.else
- movq %r8,3*8(%rsp)
- CFI_REL_OFFSET r8,3*8
- movq %r9,2*8(%rsp)
- CFI_REL_OFFSET r9,2*8
- movq %r10,1*8(%rsp)
- CFI_REL_OFFSET r10,1*8
- movq %r11,(%rsp)
- CFI_REL_OFFSET r11,0*8
+ movq %r8, 3*8(%rsp)
+ CFI_REL_OFFSET r8, 3*8
+ movq %r9, 2*8(%rsp)
+ CFI_REL_OFFSET r9, 2*8
+ movq %r10, 1*8(%rsp)
+ CFI_REL_OFFSET r10, 1*8
+ movq %r11, (%rsp)
+ CFI_REL_OFFSET r11, 0*8
.endif
.endm
-#define ARG_SKIP 9*8
- .macro RESTORE_ARGS skiprax=0,addskip=0,skiprcx=0,skipr11=0,skipr8910=0,skiprdx=0
+#define ARG_SKIP 9*8
+
+ .macro RESTORE_ARGS skiprax=0, addskip=0, skiprcx=0, skipr11=0, \
+ skipr8910=0, skiprdx=0
.if \skipr11
.else
- movq (%rsp),%r11
+ movq (%rsp), %r11
CFI_RESTORE r11
.endif
.if \skipr8910
.else
- movq 1*8(%rsp),%r10
+ movq 1*8(%rsp), %r10
CFI_RESTORE r10
- movq 2*8(%rsp),%r9
+ movq 2*8(%rsp), %r9
CFI_RESTORE r9
- movq 3*8(%rsp),%r8
+ movq 3*8(%rsp), %r8
CFI_RESTORE r8
.endif
.if \skiprax
.else
- movq 4*8(%rsp),%rax
+ movq 4*8(%rsp), %rax
CFI_RESTORE rax
.endif
.if \skiprcx
.else
- movq 5*8(%rsp),%rcx
+ movq 5*8(%rsp), %rcx
CFI_RESTORE rcx
.endif
.if \skiprdx
.else
- movq 6*8(%rsp),%rdx
+ movq 6*8(%rsp), %rdx
CFI_RESTORE rdx
.endif
- movq 7*8(%rsp),%rsi
+ movq 7*8(%rsp), %rsi
CFI_RESTORE rsi
- movq 8*8(%rsp),%rdi
+ movq 8*8(%rsp), %rdi
CFI_RESTORE rdi
.if ARG_SKIP+\addskip > 0
- addq $ARG_SKIP+\addskip,%rsp
+ addq $ARG_SKIP+\addskip, %rsp
CFI_ADJUST_CFA_OFFSET -(ARG_SKIP+\addskip)
.endif
- .endm
+ .endm
.macro LOAD_ARGS offset
- movq \offset(%rsp),%r11
- movq \offset+8(%rsp),%r10
- movq \offset+16(%rsp),%r9
- movq \offset+24(%rsp),%r8
- movq \offset+40(%rsp),%rcx
- movq \offset+48(%rsp),%rdx
- movq \offset+56(%rsp),%rsi
- movq \offset+64(%rsp),%rdi
- movq \offset+72(%rsp),%rax
+ movq \offset(%rsp), %r11
+ movq \offset+8(%rsp), %r10
+ movq \offset+16(%rsp), %r9
+ movq \offset+24(%rsp), %r8
+ movq \offset+40(%rsp), %rcx
+ movq \offset+48(%rsp), %rdx
+ movq \offset+56(%rsp), %rsi
+ movq \offset+64(%rsp), %rdi
+ movq \offset+72(%rsp), %rax
.endm
-
-#define REST_SKIP 6*8
+
+#define REST_SKIP 6*8
+
.macro SAVE_REST
- subq $REST_SKIP,%rsp
+ subq $REST_SKIP, %rsp
CFI_ADJUST_CFA_OFFSET REST_SKIP
- movq %rbx,5*8(%rsp)
- CFI_REL_OFFSET rbx,5*8
- movq %rbp,4*8(%rsp)
- CFI_REL_OFFSET rbp,4*8
- movq %r12,3*8(%rsp)
- CFI_REL_OFFSET r12,3*8
- movq %r13,2*8(%rsp)
- CFI_REL_OFFSET r13,2*8
- movq %r14,1*8(%rsp)
- CFI_REL_OFFSET r14,1*8
- movq %r15,(%rsp)
- CFI_REL_OFFSET r15,0*8
- .endm
+ movq %rbx, 5*8(%rsp)
+ CFI_REL_OFFSET rbx, 5*8
+ movq %rbp, 4*8(%rsp)
+ CFI_REL_OFFSET rbp, 4*8
+ movq %r12, 3*8(%rsp)
+ CFI_REL_OFFSET r12, 3*8
+ movq %r13, 2*8(%rsp)
+ CFI_REL_OFFSET r13, 2*8
+ movq %r14, 1*8(%rsp)
+ CFI_REL_OFFSET r14, 1*8
+ movq %r15, (%rsp)
+ CFI_REL_OFFSET r15, 0*8
+ .endm
.macro RESTORE_REST
- movq (%rsp),%r15
+ movq (%rsp), %r15
CFI_RESTORE r15
- movq 1*8(%rsp),%r14
+ movq 1*8(%rsp), %r14
CFI_RESTORE r14
- movq 2*8(%rsp),%r13
+ movq 2*8(%rsp), %r13
CFI_RESTORE r13
- movq 3*8(%rsp),%r12
+ movq 3*8(%rsp), %r12
CFI_RESTORE r12
- movq 4*8(%rsp),%rbp
+ movq 4*8(%rsp), %rbp
CFI_RESTORE rbp
- movq 5*8(%rsp),%rbx
+ movq 5*8(%rsp), %rbx
CFI_RESTORE rbx
- addq $REST_SKIP,%rsp
+ addq $REST_SKIP, %rsp
CFI_ADJUST_CFA_OFFSET -(REST_SKIP)
.endm
-
+
.macro SAVE_ALL
SAVE_ARGS
SAVE_REST
.endm
-
+
.macro RESTORE_ALL addskip=0
RESTORE_REST
- RESTORE_ARGS 0,\addskip
+ RESTORE_ARGS 0, \addskip
.endm
.macro icebp
.byte 0xf1
.endm
+