diff options
Diffstat (limited to 'include/asm-v850/ptrace.h')
| -rw-r--r-- | include/asm-v850/ptrace.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/include/asm-v850/ptrace.h b/include/asm-v850/ptrace.h deleted file mode 100644 index 4f35cf2cd641..000000000000 --- a/include/asm-v850/ptrace.h +++ /dev/null | |||
| @@ -1,121 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-v850/ptrace.h -- Access to CPU registers | ||
| 3 | * | ||
| 4 | * Copyright (C) 2001,02,03 NEC Electronics Corporation | ||
| 5 | * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> | ||
| 6 | * | ||
| 7 | * This file is subject to the terms and conditions of the GNU General | ||
| 8 | * Public License. See the file COPYING in the main directory of this | ||
| 9 | * archive for more details. | ||
| 10 | * | ||
| 11 | * Written by Miles Bader <miles@gnu.org> | ||
| 12 | */ | ||
| 13 | |||
| 14 | #ifndef __V850_PTRACE_H__ | ||
| 15 | #define __V850_PTRACE_H__ | ||
| 16 | |||
| 17 | |||
| 18 | /* v850 general purpose registers with special meanings. */ | ||
| 19 | #define GPR_ZERO 0 /* constant zero */ | ||
| 20 | #define GPR_ASM 1 /* reserved for assembler */ | ||
| 21 | #define GPR_SP 3 /* stack pointer */ | ||
| 22 | #define GPR_GP 4 /* global data pointer */ | ||
| 23 | #define GPR_TP 5 /* `text pointer' */ | ||
| 24 | #define GPR_EP 30 /* `element pointer' */ | ||
| 25 | #define GPR_LP 31 /* link pointer (current return address) */ | ||
| 26 | |||
| 27 | /* These aren't official names, but they make some code more descriptive. */ | ||
| 28 | #define GPR_ARG0 6 | ||
| 29 | #define GPR_ARG1 7 | ||
| 30 | #define GPR_ARG2 8 | ||
| 31 | #define GPR_ARG3 9 | ||
| 32 | #define GPR_RVAL0 10 | ||
| 33 | #define GPR_RVAL1 11 | ||
| 34 | #define GPR_RVAL GPR_RVAL0 | ||
| 35 | |||
| 36 | #define NUM_GPRS 32 | ||
| 37 | |||
| 38 | /* v850 `system' registers. */ | ||
| 39 | #define SR_EIPC 0 | ||
| 40 | #define SR_EIPSW 1 | ||
| 41 | #define SR_FEPC 2 | ||
| 42 | #define SR_FEPSW 3 | ||
| 43 | #define SR_ECR 4 | ||
| 44 | #define SR_PSW 5 | ||
| 45 | #define SR_CTPC 16 | ||
| 46 | #define SR_CTPSW 17 | ||
| 47 | #define SR_DBPC 18 | ||
| 48 | #define SR_DBPSW 19 | ||
| 49 | #define SR_CTBP 20 | ||
| 50 | #define SR_DIR 21 | ||
| 51 | #define SR_ASID 23 | ||
| 52 | |||
| 53 | |||
| 54 | #ifndef __ASSEMBLY__ | ||
| 55 | |||
| 56 | typedef unsigned long v850_reg_t; | ||
| 57 | |||
| 58 | /* How processor state is stored on the stack during a syscall/signal. | ||
| 59 | If you change this structure, change the associated assembly-language | ||
| 60 | macros below too (PT_*)! */ | ||
| 61 | struct pt_regs | ||
| 62 | { | ||
| 63 | /* General purpose registers. */ | ||
| 64 | v850_reg_t gpr[NUM_GPRS]; | ||
| 65 | |||
| 66 | v850_reg_t pc; /* program counter */ | ||
| 67 | v850_reg_t psw; /* program status word */ | ||
| 68 | |||
| 69 | /* Registers used by `callt' instruction: */ | ||
| 70 | v850_reg_t ctpc; /* saved program counter */ | ||
| 71 | v850_reg_t ctpsw; /* saved psw */ | ||
| 72 | v850_reg_t ctbp; /* base pointer for callt table */ | ||
| 73 | |||
| 74 | char kernel_mode; /* 1 if in `kernel mode', 0 if user mode */ | ||
| 75 | }; | ||
| 76 | |||
| 77 | |||
| 78 | #define instruction_pointer(regs) ((regs)->pc) | ||
| 79 | #define profile_pc(regs) instruction_pointer(regs) | ||
| 80 | #define user_mode(regs) (!(regs)->kernel_mode) | ||
| 81 | |||
| 82 | /* When a struct pt_regs is used to save user state for a system call in | ||
| 83 | the kernel, the system call is stored in the space for R0 (since it's | ||
| 84 | never used otherwise, R0 being a constant 0). Non-system-calls | ||
| 85 | simply store 0 there. */ | ||
| 86 | #define PT_REGS_SYSCALL(regs) (regs)->gpr[0] | ||
| 87 | #define PT_REGS_SET_SYSCALL(regs, val) ((regs)->gpr[0] = (val)) | ||
| 88 | |||
| 89 | #endif /* !__ASSEMBLY__ */ | ||
| 90 | |||
| 91 | |||
| 92 | /* The number of bytes used to store each register. */ | ||
| 93 | #define _PT_REG_SIZE 4 | ||
| 94 | |||
| 95 | /* Offset of a general purpose register in a struct pt_regs. */ | ||
| 96 | #define PT_GPR(num) ((num) * _PT_REG_SIZE) | ||
| 97 | |||
| 98 | /* Offsets of various special registers & fields in a struct pt_regs. */ | ||
| 99 | #define PT_PC ((NUM_GPRS + 0) * _PT_REG_SIZE) | ||
| 100 | #define PT_PSW ((NUM_GPRS + 1) * _PT_REG_SIZE) | ||
| 101 | #define PT_CTPC ((NUM_GPRS + 2) * _PT_REG_SIZE) | ||
| 102 | #define PT_CTPSW ((NUM_GPRS + 3) * _PT_REG_SIZE) | ||
| 103 | #define PT_CTBP ((NUM_GPRS + 4) * _PT_REG_SIZE) | ||
| 104 | #define PT_KERNEL_MODE ((NUM_GPRS + 5) * _PT_REG_SIZE) | ||
| 105 | |||
| 106 | /* Where the current syscall number is stashed; obviously only valid in | ||
| 107 | the kernel! */ | ||
| 108 | #define PT_CUR_SYSCALL PT_GPR(0) | ||
| 109 | |||
| 110 | /* Size of struct pt_regs, including alignment. */ | ||
| 111 | #define PT_SIZE ((NUM_GPRS + 6) * _PT_REG_SIZE) | ||
| 112 | |||
| 113 | |||
| 114 | /* These are `magic' values for PTRACE_PEEKUSR that return info about where | ||
| 115 | a process is located in memory. */ | ||
| 116 | #define PT_TEXT_ADDR (PT_SIZE + 1) | ||
| 117 | #define PT_TEXT_LEN (PT_SIZE + 2) | ||
| 118 | #define PT_DATA_ADDR (PT_SIZE + 3) | ||
| 119 | |||
| 120 | |||
| 121 | #endif /* __V850_PTRACE_H__ */ | ||