lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: clean up include/asm-x86/calling.h

Browse Source 
clean up include/asm-x86/calling.h.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar
2008-01-30 13:32:49 +01:00
parent e3cfac84cf
commit 0c2bd5a5e3
1 changed files with 101 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files

196
include/asm-x86/calling.h
View File

@@ -1,162 +1,168 @@
/* /*
* Some macros to handle stack frames in assembly. * 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*/ /* arguments: interrupts/non tracing syscalls only save upto here*/
#define R11 48 #define R11 48
#define R10 56 #define R10 56
#define R9 64 #define R9 64
#define R8 72 #define R8 72
#define RAX 80 #define RAX 80
#define RCX 88 #define RCX 88
#define RDX 96 #define RDX 96
#define RSI 104 #define RSI 104
#define RDI 112 #define RDI 112
#define ORIG_RAX 120 /* + error_code */ #define ORIG_RAX 120 /* + error_code */
/* end of arguments */ /* 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
.macro SAVE_ARGS addskip=0,norcx=0,nor891011=0 /* cpu exception frame or undefined in case of fast syscall. */
subq $9*8+\addskip,%rsp #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 CFI_ADJUST_CFA_OFFSET 9*8+\addskip
movq %rdi,8*8(%rsp) movq %rdi, 8*8(%rsp)
CFI_REL_OFFSET rdi,8*8 CFI_REL_OFFSET rdi, 8*8
movq %rsi,7*8(%rsp) movq %rsi, 7*8(%rsp)
CFI_REL_OFFSET rsi,7*8 CFI_REL_OFFSET rsi, 7*8
movq %rdx,6*8(%rsp) movq %rdx, 6*8(%rsp)
CFI_REL_OFFSET rdx,6*8 CFI_REL_OFFSET rdx, 6*8
.if \norcx .if \norcx
.else .else
movq %rcx,5*8(%rsp) movq %rcx, 5*8(%rsp)
CFI_REL_OFFSET rcx,5*8 CFI_REL_OFFSET rcx, 5*8
.endif .endif
movq %rax,4*8(%rsp) movq %rax, 4*8(%rsp)
CFI_REL_OFFSET rax,4*8 CFI_REL_OFFSET rax, 4*8
.if \nor891011 .if \nor891011
.else .else
movq %r8,3*8(%rsp) movq %r8, 3*8(%rsp)
CFI_REL_OFFSET r8,3*8 CFI_REL_OFFSET r8, 3*8
movq %r9,2*8(%rsp) movq %r9, 2*8(%rsp)
CFI_REL_OFFSET r9,2*8 CFI_REL_OFFSET r9, 2*8
movq %r10,1*8(%rsp) movq %r10, 1*8(%rsp)
CFI_REL_OFFSET r10,1*8 CFI_REL_OFFSET r10, 1*8
movq %r11,(%rsp) movq %r11, (%rsp)
CFI_REL_OFFSET r11,0*8 CFI_REL_OFFSET r11, 0*8
.endif .endif
.endm .endm
#define ARG_SKIP 9*8 #define ARG_SKIP 9*8
.macro RESTORE_ARGS skiprax=0,addskip=0,skiprcx=0,skipr11=0,skipr8910=0,skiprdx=0
.macro RESTORE_ARGS skiprax=0, addskip=0, skiprcx=0, skipr11=0, \
skipr8910=0, skiprdx=0
.if \skipr11 .if \skipr11
.else .else
movq (%rsp),%r11 movq (%rsp), %r11
CFI_RESTORE r11 CFI_RESTORE r11
.endif .endif
.if \skipr8910 .if \skipr8910
.else .else
movq 1*8(%rsp),%r10 movq 1*8(%rsp), %r10
CFI_RESTORE r10 CFI_RESTORE r10
movq 2*8(%rsp),%r9 movq 2*8(%rsp), %r9
CFI_RESTORE r9 CFI_RESTORE r9
movq 3*8(%rsp),%r8 movq 3*8(%rsp), %r8
CFI_RESTORE r8 CFI_RESTORE r8
.endif .endif
.if \skiprax .if \skiprax
.else .else
movq 4*8(%rsp),%rax movq 4*8(%rsp), %rax
CFI_RESTORE rax CFI_RESTORE rax
.endif .endif
.if \skiprcx .if \skiprcx
.else .else
movq 5*8(%rsp),%rcx movq 5*8(%rsp), %rcx
CFI_RESTORE rcx CFI_RESTORE rcx
.endif .endif
.if \skiprdx .if \skiprdx
.else .else
movq 6*8(%rsp),%rdx movq 6*8(%rsp), %rdx
CFI_RESTORE rdx CFI_RESTORE rdx
.endif .endif
movq 7*8(%rsp),%rsi movq 7*8(%rsp), %rsi
CFI_RESTORE rsi CFI_RESTORE rsi
movq 8*8(%rsp),%rdi movq 8*8(%rsp), %rdi
CFI_RESTORE rdi CFI_RESTORE rdi
.if ARG_SKIP+\addskip > 0 .if ARG_SKIP+\addskip > 0
addq $ARG_SKIP+\addskip,%rsp addq $ARG_SKIP+\addskip, %rsp
CFI_ADJUST_CFA_OFFSET -(ARG_SKIP+\addskip) CFI_ADJUST_CFA_OFFSET -(ARG_SKIP+\addskip)
.endif .endif
.endm .endm
.macro LOAD_ARGS offset .macro LOAD_ARGS offset
movq \offset(%rsp),%r11 movq \offset(%rsp), %r11
movq \offset+8(%rsp),%r10 movq \offset+8(%rsp), %r10
movq \offset+16(%rsp),%r9 movq \offset+16(%rsp), %r9
movq \offset+24(%rsp),%r8 movq \offset+24(%rsp), %r8
movq \offset+40(%rsp),%rcx movq \offset+40(%rsp), %rcx
movq \offset+48(%rsp),%rdx movq \offset+48(%rsp), %rdx
movq \offset+56(%rsp),%rsi movq \offset+56(%rsp), %rsi
movq \offset+64(%rsp),%rdi movq \offset+64(%rsp), %rdi
movq \offset+72(%rsp),%rax movq \offset+72(%rsp), %rax
.endm .endm
#define REST_SKIP 6*8 #define REST_SKIP 6*8
.macro SAVE_REST .macro SAVE_REST
subq $REST_SKIP,%rsp subq $REST_SKIP, %rsp
CFI_ADJUST_CFA_OFFSET REST_SKIP CFI_ADJUST_CFA_OFFSET REST_SKIP
movq %rbx,5*8(%rsp) movq %rbx, 5*8(%rsp)
CFI_REL_OFFSET rbx,5*8 CFI_REL_OFFSET rbx, 5*8
movq %rbp,4*8(%rsp) movq %rbp, 4*8(%rsp)
CFI_REL_OFFSET rbp,4*8 CFI_REL_OFFSET rbp, 4*8
movq %r12,3*8(%rsp) movq %r12, 3*8(%rsp)
CFI_REL_OFFSET r12,3*8 CFI_REL_OFFSET r12, 3*8
movq %r13,2*8(%rsp) movq %r13, 2*8(%rsp)
CFI_REL_OFFSET r13,2*8 CFI_REL_OFFSET r13, 2*8
movq %r14,1*8(%rsp) movq %r14, 1*8(%rsp)
CFI_REL_OFFSET r14,1*8 CFI_REL_OFFSET r14, 1*8
movq %r15,(%rsp) movq %r15, (%rsp)
CFI_REL_OFFSET r15,0*8 CFI_REL_OFFSET r15, 0*8
.endm .endm
.macro RESTORE_REST .macro RESTORE_REST
movq (%rsp),%r15 movq (%rsp), %r15
CFI_RESTORE r15 CFI_RESTORE r15
movq 1*8(%rsp),%r14 movq 1*8(%rsp), %r14
CFI_RESTORE r14 CFI_RESTORE r14
movq 2*8(%rsp),%r13 movq 2*8(%rsp), %r13
CFI_RESTORE r13 CFI_RESTORE r13
movq 3*8(%rsp),%r12 movq 3*8(%rsp), %r12
CFI_RESTORE r12 CFI_RESTORE r12
movq 4*8(%rsp),%rbp movq 4*8(%rsp), %rbp
CFI_RESTORE rbp CFI_RESTORE rbp
movq 5*8(%rsp),%rbx movq 5*8(%rsp), %rbx
CFI_RESTORE rbx CFI_RESTORE rbx
addq $REST_SKIP,%rsp addq $REST_SKIP, %rsp
CFI_ADJUST_CFA_OFFSET -(REST_SKIP) CFI_ADJUST_CFA_OFFSET -(REST_SKIP)
.endm .endm
.macro SAVE_ALL .macro SAVE_ALL
SAVE_ARGS SAVE_ARGS
SAVE_REST SAVE_REST
.endm .endm
.macro RESTORE_ALL addskip=0 .macro RESTORE_ALL addskip=0
RESTORE_REST RESTORE_REST
RESTORE_ARGS 0,\addskip RESTORE_ARGS 0, \addskip
.endm .endm
.macro icebp .macro icebp
.byte 0xf1 .byte 0xf1
.endm .endm