projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3c8b06f9 JO |
1 | #include <linux/linkage.h> |
| 2 | ||
| 3 | #define AX 0 | |
| 4 | #define BX 1 * 8 | |
| 5 | #define CX 2 * 8 | |
| 6 | #define DX 3 * 8 | |
| 7 | #define SI 4 * 8 | |
| 8 | #define DI 5 * 8 | |
| 9 | #define BP 6 * 8 | |
| 10 | #define SP 7 * 8 | |
| 11 | #define IP 8 * 8 | |
| 12 | #define FLAGS 9 * 8 | |
| 13 | #define CS 10 * 8 | |
| 14 | #define SS 11 * 8 | |
| 15 | #define DS 12 * 8 | |
| 16 | #define ES 13 * 8 | |
| 17 | #define FS 14 * 8 | |
| 18 | #define GS 15 * 8 | |
| 19 | #define R8 16 * 8 | |
| 20 | #define R9 17 * 8 | |
| 21 | #define R10 18 * 8 | |
| 22 | #define R11 19 * 8 | |
| 23 | #define R12 20 * 8 | |
| 24 | #define R13 21 * 8 | |
| 25 | #define R14 22 * 8 | |
| 26 | #define R15 23 * 8 | |
| 27 | ||
| 28 | .text | |
| 29 | #ifdef HAVE_ARCH_X86_64_SUPPORT | |
| 30 | ENTRY(perf_regs_load) | |
| 31 | movq %rax, AX(%rdi) | |
| 32 | movq %rbx, BX(%rdi) | |
| 33 | movq %rcx, CX(%rdi) | |
| 34 | movq %rdx, DX(%rdi) | |
| 35 | movq %rsi, SI(%rdi) | |
| 36 | movq %rdi, DI(%rdi) | |
| 37 | movq %rbp, BP(%rdi) | |
| 38 | ||
| 39 | leaq 8(%rsp), %rax /* exclude this call. */ | |
| 40 | movq %rax, SP(%rdi) | |
| 41 | ||
| 42 | movq 0(%rsp), %rax | |
| 43 | movq %rax, IP(%rdi) | |
| 44 | ||
| 45 | movq $0, FLAGS(%rdi) | |
| 46 | movq $0, CS(%rdi) | |
| 47 | movq $0, SS(%rdi) | |
| 48 | movq $0, DS(%rdi) | |
| 49 | movq $0, ES(%rdi) | |
| 50 | movq $0, FS(%rdi) | |
| 51 | movq $0, GS(%rdi) | |
| 52 | ||
| 53 | movq %r8, R8(%rdi) | |
| 54 | movq %r9, R9(%rdi) | |
| 55 | movq %r10, R10(%rdi) | |
| 56 | movq %r11, R11(%rdi) | |
| 57 | movq %r12, R12(%rdi) | |
| 58 | movq %r13, R13(%rdi) | |
| 59 | movq %r14, R14(%rdi) | |
| 60 | movq %r15, R15(%rdi) | |
| 61 | ret | |
| 62 | ENDPROC(perf_regs_load) | |
| 63 | #else | |
| 64 | ENTRY(perf_regs_load) | |
| 65 | push %edi | |
| 66 | movl 8(%esp), %edi | |
| 67 | movl %eax, AX(%edi) | |
| 68 | movl %ebx, BX(%edi) | |
| 69 | movl %ecx, CX(%edi) | |
| 70 | movl %edx, DX(%edi) | |
| 71 | movl %esi, SI(%edi) | |
| 72 | pop %eax | |
| 73 | movl %eax, DI(%edi) | |
| 74 | movl %ebp, BP(%edi) | |
| 75 | ||
| 76 | leal 4(%esp), %eax /* exclude this call. */ | |
| 77 | movl %eax, SP(%edi) | |
| 78 | ||
| 79 | movl 0(%esp), %eax | |
| 80 | movl %eax, IP(%edi) | |
| 81 | ||
| 82 | movl $0, FLAGS(%edi) | |
| 83 | movl $0, CS(%edi) | |
| 84 | movl $0, SS(%edi) | |
| 85 | movl $0, DS(%edi) | |
| 86 | movl $0, ES(%edi) | |
| 87 | movl $0, FS(%edi) | |
| 88 | movl $0, GS(%edi) | |
| 89 | ret | |
| 90 | ENDPROC(perf_regs_load) | |
| 91 | #endif | |
| 6392b4eb MK |
92 | |
| 93 | /* | |
| 94 | * We need to provide note.GNU-stack section, saying that we want | |
| 95 | * NOT executable stack. Otherwise the final linking will assume that | |
| 96 | * the ELF stack should not be restricted at all and set it RWX. | |
| 97 | */ | |
| 98 | .section .note.GNU-stack,"",@progbits |