diff options
Diffstat (limited to 'include/asm-sparc/ptrace.h')
| -rw-r--r-- | include/asm-sparc/ptrace.h | 197 |
1 files changed, 180 insertions, 17 deletions
diff --git a/include/asm-sparc/ptrace.h b/include/asm-sparc/ptrace.h index 70fb8d5df..d357ab034 100644 --- a/include/asm-sparc/ptrace.h +++ b/include/asm-sparc/ptrace.h @@ -1,32 +1,195 @@ +/* $Id: ptrace.h,v 1.22 1996/10/27 08:55:38 davem Exp $ */ #ifndef _SPARC_PTRACE_H #define _SPARC_PTRACE_H -/* I have not looked enough into how this should be done. Without playing - * lots of tricks to optimize I think we need to save the whole register - * window frame plus the floating-point registers. We'll see... +#include <asm/psr.h> + +/* This struct defines the way the registers are stored on the + * stack during a system call and basically all traps. */ -/* this struct defines the way the registers are stored on the - stack during a system call. */ +#ifndef __ASSEMBLY__ struct pt_regs { - unsigned long ps; /* previous supervisor, same as alpha I believe */ - unsigned long pc; /* current and next program counter */ + unsigned long psr; + unsigned long pc; unsigned long npc; - unsigned long sp; /* stack and frame pointer */ - unsigned long fp; - unsigned long psr; /* for condition codes */ - unsigned long nuwin; /* number of user windows */ - /* not sure yet whether all regs are necessary - * but this is how it is traditionally done on the sparc. - */ - unsigned long u_regs[24*16]; - unsigned long f_regs[64]; /* yuck yuck yuck */ + unsigned long y; + unsigned long u_regs[16]; /* globals and ins */ +}; + +#define UREG_G0 0 +#define UREG_G1 1 +#define UREG_G2 2 +#define UREG_G3 3 +#define UREG_G4 4 +#define UREG_G5 5 +#define UREG_G6 6 +#define UREG_G7 7 +#define UREG_I0 8 +#define UREG_I1 9 +#define UREG_I2 10 +#define UREG_I3 11 +#define UREG_I4 12 +#define UREG_I5 13 +#define UREG_I6 14 +#define UREG_I7 15 +#define UREG_WIM UREG_G0 +#define UREG_FADDR UREG_G0 +#define UREG_FP UREG_I6 +#define UREG_RETPC UREG_I7 + +/* A register window */ +struct reg_window { + unsigned long locals[8]; + unsigned long ins[8]; }; +/* A Sparc stack frame */ +struct sparc_stackf { + unsigned long locals[8]; + unsigned long ins[6]; + struct sparc_stackf *fp; + unsigned long callers_pc; + char *structptr; + unsigned long xargs[6]; + unsigned long xxargs[1]; +}; + +#define TRACEREG_SZ sizeof(struct pt_regs) +#define STACKFRAME_SZ sizeof(struct sparc_stackf) +#define REGWIN_SZ sizeof(struct reg_window) + #ifdef __KERNEL__ -#define user_mode(regs) (0x0) /* if previous supervisor is 0, came from user */ +#define user_mode(regs) (!((regs)->psr & PSR_PS)) +#define instruction_pointer(regs) ((regs)->pc) extern void show_regs(struct pt_regs *); #endif +#else /* __ASSEMBLY__ */ +/* For assembly code. */ +#define TRACEREG_SZ 0x50 +#define STACKFRAME_SZ 0x60 +#define REGWIN_SZ 0x40 #endif + +/* First generic task_struct offsets. sizeof(task_struct)=1616 */ +#define TASK_STATE 0x000 +#define TASK_PRIORITY 0x008 +#define TASK_SIGNAL 0x00c +#define TASK_BLOCKED 0x010 +#define TASK_FLAGS 0x014 +#define TASK_SAVED_KSTACK 0x054 +#define TASK_KSTACK_PG 0x058 + +/* Thread stuff. */ +#define THREAD_UMASK 0x210 +#define THREAD_SADDR 0x218 +#define THREAD_SDESC 0x21c +#define THREAD_KSP 0x220 +#define THREAD_KPC 0x224 +#define THREAD_KPSR 0x228 +#define THREAD_KWIM 0x22c +#define THREAD_FORK_KPSR 0x230 +#define THREAD_FORK_KWIM 0x234 +#define THREAD_REG_WINDOW 0x238 +#define THREAD_STACK_PTRS 0x438 +#define THREAD_W_SAVED 0x458 +#define THREAD_FLOAT_REGS 0x460 +#define THREAD_FSR 0x560 +#define THREAD_SIGSTK 0x5e8 +#define THREAD_FLAGS 0x5f0 +#define THREAD_EX_COUNT 0x5f8 +#define THREAD_EX_PC 0x5fc +#define THREAD_EX_EXPC 0x600 +#define THREAD_EX_ADDR 0x604 +#define THREAD_DS 0x608 +#define THREAD_MM 0x638 +#define THREAD_MM_CTX 0x008 + +/* These are for pt_regs. */ +#define PT_PSR 0x0 +#define PT_PC 0x4 +#define PT_NPC 0x8 +#define PT_Y 0xc +#define PT_G0 0x10 +#define PT_WIM PT_G0 +#define PT_G1 0x14 +#define PT_G2 0x18 +#define PT_G3 0x1c +#define PT_G4 0x20 +#define PT_G5 0x24 +#define PT_G6 0x28 +#define PT_G7 0x2c +#define PT_I0 0x30 +#define PT_I1 0x34 +#define PT_I2 0x38 +#define PT_I3 0x3c +#define PT_I4 0x40 +#define PT_I5 0x44 +#define PT_I6 0x48 +#define PT_FP PT_I6 +#define PT_I7 0x4c + +/* Reg_window offsets */ +#define RW_L0 0x00 +#define RW_L1 0x04 +#define RW_L2 0x08 +#define RW_L3 0x0c +#define RW_L4 0x10 +#define RW_L5 0x14 +#define RW_L6 0x18 +#define RW_L7 0x1c +#define RW_I0 0x20 +#define RW_I1 0x24 +#define RW_I2 0x28 +#define RW_I3 0x2c +#define RW_I4 0x30 +#define RW_I5 0x34 +#define RW_I6 0x38 +#define RW_I7 0x3c + +/* Stack_frame offsets */ +#define SF_L0 0x00 +#define SF_L1 0x04 +#define SF_L2 0x08 +#define SF_L3 0x0c +#define SF_L4 0x10 +#define SF_L5 0x14 +#define SF_L6 0x18 +#define SF_L7 0x1c +#define SF_I0 0x20 +#define SF_I1 0x24 +#define SF_I2 0x28 +#define SF_I3 0x2c +#define SF_I4 0x30 +#define SF_I5 0x34 +#define SF_FP 0x38 +#define SF_PC 0x3c +#define SF_RETP 0x40 +#define SF_XARG0 0x44 +#define SF_XARG1 0x48 +#define SF_XARG2 0x4c +#define SF_XARG3 0x50 +#define SF_XARG4 0x54 +#define SF_XARG5 0x58 +#define SF_XXARG 0x5c + +/* Stuff for the ptrace system call */ +#define PTRACE_SUNATTACH 10 +#define PTRACE_SUNDETACH 11 +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +#define PTRACE_READDATA 16 +#define PTRACE_WRITEDATA 17 +#define PTRACE_READTEXT 18 +#define PTRACE_WRITETEXT 19 +#define PTRACE_GETFPAREGS 20 +#define PTRACE_SETFPAREGS 21 + +#define PTRACE_GETUCODE 29 /* stupid bsd-ism */ + + +#endif /* !(_SPARC_PTRACE_H) */ |