Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2003 PathScale, Inc. |
Jeff Dike | 42fda66 | 2007-10-16 01:26:50 -0700 | [diff] [blame] | 3 | * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
| 5 | * Licensed under the GPL |
| 6 | */ |
| 7 | |
| 8 | #ifndef __SYSDEP_X86_64_PTRACE_H |
| 9 | #define __SYSDEP_X86_64_PTRACE_H |
| 10 | |
Al Viro | 243412b | 2012-05-20 00:05:58 -0400 | [diff] [blame] | 11 | #define MAX_FP_NR HOST_FP_SIZE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #define REGS_R8(r) ((r)[HOST_R8]) |
| 14 | #define REGS_R9(r) ((r)[HOST_R9]) |
| 15 | #define REGS_R10(r) ((r)[HOST_R10]) |
| 16 | #define REGS_R11(r) ((r)[HOST_R11]) |
| 17 | #define REGS_R12(r) ((r)[HOST_R12]) |
| 18 | #define REGS_R13(r) ((r)[HOST_R13]) |
| 19 | #define REGS_R14(r) ((r)[HOST_R14]) |
| 20 | #define REGS_R15(r) ((r)[HOST_R15]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
| 22 | #define HOST_FS_BASE 21 |
| 23 | #define HOST_GS_BASE 22 |
| 24 | #define HOST_DS 23 |
| 25 | #define HOST_ES 24 |
| 26 | #define HOST_FS 25 |
| 27 | #define HOST_GS 26 |
| 28 | |
Jeff Dike | a8b4fc4 | 2006-09-27 01:50:35 -0700 | [diff] [blame] | 29 | /* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these |
| 30 | * are already defined for kernel code, but not for userspace code. |
| 31 | */ |
| 32 | #ifndef FS_BASE |
| 33 | /* These aren't defined in ptrace.h, but exist in struct user_regs_struct, |
| 34 | * which is what x86_64 ptrace actually uses. |
| 35 | */ |
| 36 | #define FS_BASE (HOST_FS_BASE * sizeof(long)) |
| 37 | #define GS_BASE (HOST_GS_BASE * sizeof(long)) |
| 38 | #define DS (HOST_DS * sizeof(long)) |
| 39 | #define ES (HOST_ES * sizeof(long)) |
| 40 | #define FS (HOST_FS * sizeof(long)) |
| 41 | #define GS (HOST_GS * sizeof(long)) |
| 42 | #endif |
| 43 | |
Jeff Dike | 18baddd | 2007-10-16 01:27:07 -0700 | [diff] [blame] | 44 | #define UPT_R8(r) REGS_R8((r)->gp) |
| 45 | #define UPT_R9(r) REGS_R9((r)->gp) |
| 46 | #define UPT_R10(r) REGS_R10((r)->gp) |
| 47 | #define UPT_R11(r) REGS_R11((r)->gp) |
| 48 | #define UPT_R12(r) REGS_R12((r)->gp) |
| 49 | #define UPT_R13(r) REGS_R13((r)->gp) |
| 50 | #define UPT_R14(r) REGS_R14((r)->gp) |
| 51 | #define UPT_R15(r) REGS_R15((r)->gp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Al Viro | 243412b | 2012-05-20 00:05:58 -0400 | [diff] [blame] | 53 | #define UPT_SYSCALL_ARG1(r) UPT_DI(r) |
| 54 | #define UPT_SYSCALL_ARG2(r) UPT_SI(r) |
| 55 | #define UPT_SYSCALL_ARG3(r) UPT_DX(r) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #define UPT_SYSCALL_ARG4(r) UPT_R10(r) |
| 57 | #define UPT_SYSCALL_ARG5(r) UPT_R8(r) |
| 58 | #define UPT_SYSCALL_ARG6(r) UPT_R9(r) |
| 59 | |
Jeff Dike | a5f6096c | 2007-10-16 01:27:15 -0700 | [diff] [blame] | 60 | static inline void arch_init_registers(int pid) |
| 61 | { |
| 62 | } |
| 63 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | #endif |