diff options
Diffstat (limited to 'tools/perf/arch/x86/tests/regs_load.S')
-rw-r--r-- | tools/perf/arch/x86/tests/regs_load.S | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S new file mode 100644 index 000000000000..99167bf644ea --- /dev/null +++ b/tools/perf/arch/x86/tests/regs_load.S | |||
@@ -0,0 +1,92 @@ | |||
1 | |||
2 | #include <linux/linkage.h> | ||
3 | |||
4 | #define AX 0 | ||
5 | #define BX 1 * 8 | ||
6 | #define CX 2 * 8 | ||
7 | #define DX 3 * 8 | ||
8 | #define SI 4 * 8 | ||
9 | #define DI 5 * 8 | ||
10 | #define BP 6 * 8 | ||
11 | #define SP 7 * 8 | ||
12 | #define IP 8 * 8 | ||
13 | #define FLAGS 9 * 8 | ||
14 | #define CS 10 * 8 | ||
15 | #define SS 11 * 8 | ||
16 | #define DS 12 * 8 | ||
17 | #define ES 13 * 8 | ||
18 | #define FS 14 * 8 | ||
19 | #define GS 15 * 8 | ||
20 | #define R8 16 * 8 | ||
21 | #define R9 17 * 8 | ||
22 | #define R10 18 * 8 | ||
23 | #define R11 19 * 8 | ||
24 | #define R12 20 * 8 | ||
25 | #define R13 21 * 8 | ||
26 | #define R14 22 * 8 | ||
27 | #define R15 23 * 8 | ||
28 | |||
29 | .text | ||
30 | #ifdef HAVE_ARCH_X86_64_SUPPORT | ||
31 | ENTRY(perf_regs_load) | ||
32 | movq %rax, AX(%rdi) | ||
33 | movq %rbx, BX(%rdi) | ||
34 | movq %rcx, CX(%rdi) | ||
35 | movq %rdx, DX(%rdi) | ||
36 | movq %rsi, SI(%rdi) | ||
37 | movq %rdi, DI(%rdi) | ||
38 | movq %rbp, BP(%rdi) | ||
39 | |||
40 | leaq 8(%rsp), %rax /* exclude this call. */ | ||
41 | movq %rax, SP(%rdi) | ||
42 | |||
43 | movq 0(%rsp), %rax | ||
44 | movq %rax, IP(%rdi) | ||
45 | |||
46 | movq $0, FLAGS(%rdi) | ||
47 | movq $0, CS(%rdi) | ||
48 | movq $0, SS(%rdi) | ||
49 | movq $0, DS(%rdi) | ||
50 | movq $0, ES(%rdi) | ||
51 | movq $0, FS(%rdi) | ||
52 | movq $0, GS(%rdi) | ||
53 | |||
54 | movq %r8, R8(%rdi) | ||
55 | movq %r9, R9(%rdi) | ||
56 | movq %r10, R10(%rdi) | ||
57 | movq %r11, R11(%rdi) | ||
58 | movq %r12, R12(%rdi) | ||
59 | movq %r13, R13(%rdi) | ||
60 | movq %r14, R14(%rdi) | ||
61 | movq %r15, R15(%rdi) | ||
62 | ret | ||
63 | ENDPROC(perf_regs_load) | ||
64 | #else | ||
65 | ENTRY(perf_regs_load) | ||
66 | push %edi | ||
67 | movl 8(%esp), %edi | ||
68 | movl %eax, AX(%edi) | ||
69 | movl %ebx, BX(%edi) | ||
70 | movl %ecx, CX(%edi) | ||
71 | movl %edx, DX(%edi) | ||
72 | movl %esi, SI(%edi) | ||
73 | pop %eax | ||
74 | movl %eax, DI(%edi) | ||
75 | movl %ebp, BP(%edi) | ||
76 | |||
77 | leal 4(%esp), %eax /* exclude this call. */ | ||
78 | movl %eax, SP(%edi) | ||
79 | |||
80 | movl 0(%esp), %eax | ||
81 | movl %eax, IP(%edi) | ||
82 | |||
83 | movl $0, FLAGS(%edi) | ||
84 | movl $0, CS(%edi) | ||
85 | movl $0, SS(%edi) | ||
86 | movl $0, DS(%edi) | ||
87 | movl $0, ES(%edi) | ||
88 | movl $0, FS(%edi) | ||
89 | movl $0, GS(%edi) | ||
90 | ret | ||
91 | ENDPROC(perf_regs_load) | ||
92 | #endif | ||