projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| f5e706ad SR |
1 | #ifndef _SPARC_PTRACE_H |
| 2 | #define _SPARC_PTRACE_H | |
| 3 | ||
| 4 | #include <asm/psr.h> | |
| 5 | ||
| 6 | /* This struct defines the way the registers are stored on the | |
| 7 | * stack during a system call and basically all traps. | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef __ASSEMBLY__ | |
| 11 | ||
| 12 | #include <linux/types.h> | |
| 13 | ||
| 14 | struct pt_regs { | |
| 15 | unsigned long psr; | |
| 16 | unsigned long pc; | |
| 17 | unsigned long npc; | |
| 18 | unsigned long y; | |
| 19 | unsigned long u_regs[16]; /* globals and ins */ | |
| 20 | }; | |
| 21 | ||
| 22 | #define UREG_G0 0 | |
| 23 | #define UREG_G1 1 | |
| 24 | #define UREG_G2 2 | |
| 25 | #define UREG_G3 3 | |
| 26 | #define UREG_G4 4 | |
| 27 | #define UREG_G5 5 | |
| 28 | #define UREG_G6 6 | |
| 29 | #define UREG_G7 7 | |
| 30 | #define UREG_I0 8 | |
| 31 | #define UREG_I1 9 | |
| 32 | #define UREG_I2 10 | |
| 33 | #define UREG_I3 11 | |
| 34 | #define UREG_I4 12 | |
| 35 | #define UREG_I5 13 | |
| 36 | #define UREG_I6 14 | |
| 37 | #define UREG_I7 15 | |
| 38 | #define UREG_WIM UREG_G0 | |
| 39 | #define UREG_FADDR UREG_G0 | |
| 40 | #define UREG_FP UREG_I6 | |
| 41 | #define UREG_RETPC UREG_I7 | |
| 42 | ||
| f5e706ad SR |
43 | /* A register window */ |
| 44 | struct reg_window { | |
| 45 | unsigned long locals[8]; | |
| 46 | unsigned long ins[8]; | |
| 47 | }; | |
| 48 | ||
| 49 | /* A Sparc stack frame */ | |
| 50 | struct sparc_stackf { | |
| 51 | unsigned long locals[8]; | |
| 52 | unsigned long ins[6]; | |
| 53 | struct sparc_stackf *fp; | |
| 54 | unsigned long callers_pc; | |
| 55 | char *structptr; | |
| 56 | unsigned long xargs[6]; | |
| 57 | unsigned long xxargs[1]; | |
| 58 | }; | |
| 59 | ||
| 60 | #define TRACEREG_SZ sizeof(struct pt_regs) | |
| 61 | #define STACKFRAME_SZ sizeof(struct sparc_stackf) | |
| 62 | ||
| 63 | #ifdef __KERNEL__ | |
| 64 | ||
| 878a5535 DM |
65 | #include <asm/system.h> |
| 66 | ||
| 6717c282 DM |
67 | static inline bool pt_regs_is_syscall(struct pt_regs *regs) |
| 68 | { | |
| 69 | return (regs->psr & PSR_SYSCALL); | |
| 70 | } | |
| 71 | ||
| 72 | static inline bool pt_regs_clear_syscall(struct pt_regs *regs) | |
| 73 | { | |
| 74 | return (regs->psr &= ~PSR_SYSCALL); | |
| 75 | } | |
| 76 | ||
| 878a5535 DM |
77 | #define arch_ptrace_stop_needed(exit_code, info) \ |
| 78 | ({ flush_user_windows(); \ | |
| 79 | current_thread_info()->w_saved != 0; \ | |
| 80 | }) | |
| 81 | ||
| 82 | #define arch_ptrace_stop(exit_code, info) \ | |
| 83 | synchronize_user_stack() | |
| 84 | ||
| f5e706ad SR |
85 | #define user_mode(regs) (!((regs)->psr & PSR_PS)) |
| 86 | #define instruction_pointer(regs) ((regs)->pc) | |
| ac76cfd0 | 87 | #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) |
| f5e706ad SR |
88 | unsigned long profile_pc(struct pt_regs *); |
| 89 | extern void show_regs(struct pt_regs *); | |
| 90 | #endif | |
| 91 | ||
| 92 | #else /* __ASSEMBLY__ */ | |
| 93 | /* For assembly code. */ | |
| 94 | #define TRACEREG_SZ 0x50 | |
| 95 | #define STACKFRAME_SZ 0x60 | |
| 96 | #endif | |
| 97 | ||
| 98 | /* | |
| 99 | * The asm-offsets.h is a generated file, so we cannot include it. | |
| 100 | * It may be OK for glibc headers, but it's utterly pointless for C code. | |
| 101 | * The assembly code using those offsets has to include it explicitly. | |
| 102 | */ | |
| 103 | /* #include <asm/asm-offsets.h> */ | |
| 104 | ||
| 105 | /* These are for pt_regs. */ | |
| 106 | #define PT_PSR 0x0 | |
| 107 | #define PT_PC 0x4 | |
| 108 | #define PT_NPC 0x8 | |
| 109 | #define PT_Y 0xc | |
| 110 | #define PT_G0 0x10 | |
| 111 | #define PT_WIM PT_G0 | |
| 112 | #define PT_G1 0x14 | |
| 113 | #define PT_G2 0x18 | |
| 114 | #define PT_G3 0x1c | |
| 115 | #define PT_G4 0x20 | |
| 116 | #define PT_G5 0x24 | |
| 117 | #define PT_G6 0x28 | |
| 118 | #define PT_G7 0x2c | |
| 119 | #define PT_I0 0x30 | |
| 120 | #define PT_I1 0x34 | |
| 121 | #define PT_I2 0x38 | |
| 122 | #define PT_I3 0x3c | |
| 123 | #define PT_I4 0x40 | |
| 124 | #define PT_I5 0x44 | |
| 125 | #define PT_I6 0x48 | |
| 126 | #define PT_FP PT_I6 | |
| 127 | #define PT_I7 0x4c | |
| 128 | ||
| 129 | /* Reg_window offsets */ | |
| 130 | #define RW_L0 0x00 | |
| 131 | #define RW_L1 0x04 | |
| 132 | #define RW_L2 0x08 | |
| 133 | #define RW_L3 0x0c | |
| 134 | #define RW_L4 0x10 | |
| 135 | #define RW_L5 0x14 | |
| 136 | #define RW_L6 0x18 | |
| 137 | #define RW_L7 0x1c | |
| 138 | #define RW_I0 0x20 | |
| 139 | #define RW_I1 0x24 | |
| 140 | #define RW_I2 0x28 | |
| 141 | #define RW_I3 0x2c | |
| 142 | #define RW_I4 0x30 | |
| 143 | #define RW_I5 0x34 | |
| 144 | #define RW_I6 0x38 | |
| 145 | #define RW_I7 0x3c | |
| 146 | ||
| 147 | /* Stack_frame offsets */ | |
| 148 | #define SF_L0 0x00 | |
| 149 | #define SF_L1 0x04 | |
| 150 | #define SF_L2 0x08 | |
| 151 | #define SF_L3 0x0c | |
| 152 | #define SF_L4 0x10 | |
| 153 | #define SF_L5 0x14 | |
| 154 | #define SF_L6 0x18 | |
| 155 | #define SF_L7 0x1c | |
| 156 | #define SF_I0 0x20 | |
| 157 | #define SF_I1 0x24 | |
| 158 | #define SF_I2 0x28 | |
| 159 | #define SF_I3 0x2c | |
| 160 | #define SF_I4 0x30 | |
| 161 | #define SF_I5 0x34 | |
| 162 | #define SF_FP 0x38 | |
| 163 | #define SF_PC 0x3c | |
| 164 | #define SF_RETP 0x40 | |
| 165 | #define SF_XARG0 0x44 | |
| 166 | #define SF_XARG1 0x48 | |
| 167 | #define SF_XARG2 0x4c | |
| 168 | #define SF_XARG3 0x50 | |
| 169 | #define SF_XARG4 0x54 | |
| 170 | #define SF_XARG5 0x58 | |
| 171 | #define SF_XXARG 0x5c | |
| 172 | ||
| 173 | /* Stuff for the ptrace system call */ | |
| 174 | #define PTRACE_SPARC_DETACH 11 | |
| 175 | #define PTRACE_GETREGS 12 | |
| 176 | #define PTRACE_SETREGS 13 | |
| 177 | #define PTRACE_GETFPREGS 14 | |
| 178 | #define PTRACE_SETFPREGS 15 | |
| 179 | #define PTRACE_READDATA 16 | |
| 180 | #define PTRACE_WRITEDATA 17 | |
| 181 | #define PTRACE_READTEXT 18 | |
| 182 | #define PTRACE_WRITETEXT 19 | |
| 183 | #define PTRACE_GETFPAREGS 20 | |
| 184 | #define PTRACE_SETFPAREGS 21 | |
| 185 | ||
| 186 | #endif /* !(_SPARC_PTRACE_H) */ |