Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0c2bd5a5e3b9469c6ab2b96c403980f192db0bf7 Commit: 0c2bd5a5e3b9469c6ab2b96c403980f192db0bf7 Parent: e3cfac84cfbc8c9f17817573befc0f4913b1a4dc Author: Ingo Molnar <[EMAIL PROTECTED]> AuthorDate: Wed Jan 30 13:32:49 2008 +0100 Committer: Ingo Molnar <[EMAIL PROTECTED]> CommitDate: Wed Jan 30 13:32:49 2008 +0100
x86: clean up include/asm-x86/calling.h clean up include/asm-x86/calling.h. Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]> Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]> --- include/asm-x86/calling.h | 330 +++++++++++++++++++++++---------------------- 1 files changed, 168 insertions(+), 162 deletions(-) diff --git a/include/asm-x86/calling.h b/include/asm-x86/calling.h dissimilarity index 64% 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 -/* 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 - - .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 - .if \norcx - .else - movq %rcx,5*8(%rsp) - CFI_REL_OFFSET rcx,5*8 - .endif - 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 - .endif - .endm - -#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 - CFI_RESTORE r11 - .endif - .if \skipr8910 - .else - movq 1*8(%rsp),%r10 - CFI_RESTORE r10 - movq 2*8(%rsp),%r9 - CFI_RESTORE r9 - movq 3*8(%rsp),%r8 - CFI_RESTORE r8 - .endif - .if \skiprax - .else - movq 4*8(%rsp),%rax - CFI_RESTORE rax - .endif - .if \skiprcx - .else - movq 5*8(%rsp),%rcx - CFI_RESTORE rcx - .endif - .if \skiprdx - .else - movq 6*8(%rsp),%rdx - CFI_RESTORE rdx - .endif - movq 7*8(%rsp),%rsi - CFI_RESTORE rsi - movq 8*8(%rsp),%rdi - CFI_RESTORE rdi - .if ARG_SKIP+\addskip > 0 - addq $ARG_SKIP+\addskip,%rsp - CFI_ADJUST_CFA_OFFSET -(ARG_SKIP+\addskip) - .endif - .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 - .endm - -#define REST_SKIP 6*8 - .macro SAVE_REST - 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 - - .macro RESTORE_REST - movq (%rsp),%r15 - CFI_RESTORE r15 - movq 1*8(%rsp),%r14 - CFI_RESTORE r14 - movq 2*8(%rsp),%r13 - CFI_RESTORE r13 - movq 3*8(%rsp),%r12 - CFI_RESTORE r12 - movq 4*8(%rsp),%rbp - CFI_RESTORE rbp - movq 5*8(%rsp),%rbx - CFI_RESTORE rbx - 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 - .endm - - .macro icebp - .byte 0xf1 - .endm +/* + * 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 + +/* 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 + + .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 + .if \norcx + .else + movq %rcx, 5*8(%rsp) + CFI_REL_OFFSET rcx, 5*8 + .endif + 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 + .endif + .endm + +#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 + CFI_RESTORE r11 + .endif + .if \skipr8910 + .else + movq 1*8(%rsp), %r10 + CFI_RESTORE r10 + movq 2*8(%rsp), %r9 + CFI_RESTORE r9 + movq 3*8(%rsp), %r8 + CFI_RESTORE r8 + .endif + .if \skiprax + .else + movq 4*8(%rsp), %rax + CFI_RESTORE rax + .endif + .if \skiprcx + .else + movq 5*8(%rsp), %rcx + CFI_RESTORE rcx + .endif + .if \skiprdx + .else + movq 6*8(%rsp), %rdx + CFI_RESTORE rdx + .endif + movq 7*8(%rsp), %rsi + CFI_RESTORE rsi + movq 8*8(%rsp), %rdi + CFI_RESTORE rdi + .if ARG_SKIP+\addskip > 0 + addq $ARG_SKIP+\addskip, %rsp + CFI_ADJUST_CFA_OFFSET -(ARG_SKIP+\addskip) + .endif + .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 + .endm + +#define REST_SKIP 6*8 + + .macro SAVE_REST + 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 + + .macro RESTORE_REST + movq (%rsp), %r15 + CFI_RESTORE r15 + movq 1*8(%rsp), %r14 + CFI_RESTORE r14 + movq 2*8(%rsp), %r13 + CFI_RESTORE r13 + movq 3*8(%rsp), %r12 + CFI_RESTORE r12 + movq 4*8(%rsp), %rbp + CFI_RESTORE rbp + movq 5*8(%rsp), %rbx + CFI_RESTORE rbx + 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 + .endm + + .macro icebp + .byte 0xf1 + .endm + - 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