projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* ptrace.h: ptrace() relevant definitions |
| 2 | * | |
| 3 | * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. | |
| 4 | * Written by David Howells (dhowells@redhat.com) | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | #ifndef _ASM_PTRACE_H | |
| 12 | #define _ASM_PTRACE_H | |
| 13 | ||
| 14 | #include <asm/registers.h> | |
| 15 | ||
| 16 | #define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0) | |
| 17 | ||
| 18 | ||
| 19 | #define PT_PSR 0 | |
| 20 | #define PT_ISR 1 | |
| 21 | #define PT_CCR 2 | |
| 22 | #define PT_CCCR 3 | |
| 23 | #define PT_LR 4 | |
| 24 | #define PT_LCR 5 | |
| 25 | #define PT_PC 6 | |
| 26 | ||
| 27 | #define PT__STATUS 7 /* exception status */ | |
| 28 | #define PT_SYSCALLNO 8 /* syscall number or -1 */ | |
| 29 | #define PT_ORIG_GR8 9 /* saved GR8 for signal handling */ | |
| 30 | #define PT_GNER0 10 | |
| 31 | #define PT_GNER1 11 | |
| 32 | #define PT_IACC0H 12 | |
| 33 | #define PT_IACC0L 13 | |
| 34 | ||
| 35 | #define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */ | |
| 36 | #define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */ | |
| 37 | #define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */ | |
| 38 | #define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */ | |
| 39 | #define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */ | |
| 40 | #define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */ | |
| 41 | #define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */ | |
| 42 | #define PT__GPEND 78 | |
| 43 | #define PT__END 157 | |
| 44 | ||
| 45 | #define PT_TBR PT_GR(0) | |
| 46 | #define PT_SP PT_GR(1) | |
| 47 | #define PT_FP PT_GR(2) | |
| 48 | #define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */ | |
| 49 | #define PT_CURR_TASK PT_GR(29) /* current task */ | |
| 50 | ||
| 51 | ||
| 52 | /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ | |
| 53 | #define PTRACE_GETREGS 12 | |
| 54 | #define PTRACE_SETREGS 13 | |
| 55 | #define PTRACE_GETFPREGS 14 | |
| 56 | #define PTRACE_SETFPREGS 15 | |
| 57 | #define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ | |
| 58 | ||
| 59 | #define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ | |
| 60 | #define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ | |
| 61 | ||
| 62 | #ifndef __ASSEMBLY__ | |
| 63 | ||
| 64 | /* | |
| 84e8cd6d DH |
65 | * we dedicate GR28 to keeping a pointer to the current exception frame |
| 66 | * - gr28 is destroyed on entry to the kernel from userspace | |
| 1da177e4 LT |
67 | */ |
| 68 | register struct pt_regs *__frame asm("gr28"); | |
| 1da177e4 LT |
69 | |
| 70 | #define user_mode(regs) (!((regs)->psr & PSR_S)) | |
| 71 | #define instruction_pointer(regs) ((regs)->pc) | |
| 72 | ||
| 73 | extern unsigned long user_stack(const struct pt_regs *); | |
| 74 | extern void show_regs(struct pt_regs *); | |
| 75 | #define profile_pc(regs) ((regs)->pc) | |
| 76 | ||
| 77 | #endif /* !__ASSEMBLY__ */ | |
| 78 | #endif /* _ASM_PTRACE_H */ |