| #ifndef __SPARC_PTRACE_H |
| #define __SPARC_PTRACE_H |
| |
| #if defined(__sparc__) && defined(__arch64__) |
| /* 64 bit sparc */ |
| #include <asm/pstate.h> |
| |
| /* This struct defines the way the registers are stored on the |
| * stack during a system call and basically all traps. |
| */ |
| |
| /* This magic value must have the low 9 bits clear, |
| * as that is where we encode the %tt value, see below. |
| */ |
| #define PT_REGS_MAGIC 0x57ac6c00 |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <linux/types.h> |
| |
| struct pt_regs { |
| unsigned long u_regs[16]; /* globals and ins */ |
| unsigned long tstate; |
| unsigned long tpc; |
| unsigned long tnpc; |
| unsigned int y; |
| |
| /* We encode a magic number, PT_REGS_MAGIC, along |
| * with the %tt (trap type) register value at trap |
| * entry time. The magic number allows us to identify |
| * accurately a trap stack frame in the stack |
| * unwinder, and the %tt value allows us to test |
| * things like "in a system call" etc. for an arbitray |
| * process. |
| * |
| * The PT_REGS_MAGIC is choosen such that it can be |
| * loaded completely using just a sethi instruction. |
| */ |
| unsigned int magic; |
| }; |
| |
| struct pt_regs32 { |
| unsigned int psr; |
| unsigned int pc; |
| unsigned int npc; |
| unsigned int y; |
| unsigned int u_regs[16]; /* globals and ins */ |
| }; |
| |
| /* A V9 register window */ |
| struct reg_window { |
| unsigned long locals[8]; |
| unsigned long ins[8]; |
| }; |
| |
| /* A 32-bit register window. */ |
| struct reg_window32 { |
| unsigned int locals[8]; |
| unsigned int ins[8]; |
| }; |
| |
| /* A V9 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]; |
| }; |
| |
| /* A 32-bit Sparc stack frame */ |
| struct sparc_stackf32 { |
| unsigned int locals[8]; |
| unsigned int ins[6]; |
| unsigned int fp; |
| unsigned int callers_pc; |
| unsigned int structptr; |
| unsigned int xargs[6]; |
| unsigned int xxargs[1]; |
| }; |
| |
| struct sparc_trapf { |
| unsigned long locals[8]; |
| unsigned long ins[8]; |
| unsigned long _unused; |
| struct pt_regs *regs; |
| }; |
| #endif /* (!__ASSEMBLY__) */ |
| #else |
| /* 32 bit sparc */ |
| |
| #include <asm/psr.h> |
| |
| /* This struct defines the way the registers are stored on the |
| * stack during a system call and basically all traps. |
| */ |
| #ifndef __ASSEMBLY__ |
| |
| struct pt_regs { |
| unsigned long psr; |
| unsigned long pc; |
| unsigned long npc; |
| unsigned long y; |
| unsigned long u_regs[16]; /* globals and ins */ |
| }; |
| |
| /* A 32-bit register window. */ |
| struct reg_window32 { |
| 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]; |
| }; |
| #endif /* (!__ASSEMBLY__) */ |
| |
| #endif /* (defined(__sparc__) && defined(__arch64__))*/ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #define TRACEREG_SZ sizeof(struct pt_regs) |
| #define STACKFRAME_SZ sizeof(struct sparc_stackf) |
| |
| #define TRACEREG32_SZ sizeof(struct pt_regs32) |
| #define STACKFRAME32_SZ sizeof(struct sparc_stackf32) |
| |
| #endif /* (!__ASSEMBLY__) */ |
| |
| #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_FP UREG_I6 |
| #define UREG_RETPC UREG_I7 |
| |
| #if defined(__sparc__) && defined(__arch64__) |
| /* 64 bit sparc */ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/threads.h> |
| #include <asm/system.h> |
| |
| static inline int pt_regs_trap_type(struct pt_regs *regs) |
| { |
| return regs->magic & 0x1ff; |
| } |
| |
| static inline bool pt_regs_is_syscall(struct pt_regs *regs) |
| { |
| return (regs->tstate & TSTATE_SYSCALL); |
| } |
| |
| static inline bool pt_regs_clear_syscall(struct pt_regs *regs) |
| { |
| return (regs->tstate &= ~TSTATE_SYSCALL); |
| } |
| |
| #define arch_ptrace_stop_needed(exit_code, info) \ |
| ({ flush_user_windows(); \ |
| get_thread_wsaved() != 0; \ |
| }) |
| |
| #define arch_ptrace_stop(exit_code, info) \ |
| synchronize_user_stack() |
| |
| struct global_reg_snapshot { |
| unsigned long tstate; |
| unsigned long tpc; |
| unsigned long tnpc; |
| unsigned long o7; |
| unsigned long i7; |
| unsigned long rpc; |
| struct thread_info *thread; |
| unsigned long pad1; |
| }; |
| extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; |
| |
| #define force_successful_syscall_return() \ |
| do { current_thread_info()->syscall_noerror = 1; \ |
| } while (0) |
| #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) |
| #define instruction_pointer(regs) ((regs)->tpc) |
| #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) |
| #define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) |
| #ifdef CONFIG_SMP |
| extern unsigned long profile_pc(struct pt_regs *); |
| #else |
| #define profile_pc(regs) instruction_pointer(regs) |
| #endif |
| extern void show_regs(struct pt_regs *); |
| #endif /* (__KERNEL__) */ |
| |
| #else /* __ASSEMBLY__ */ |
| /* For assembly code. */ |
| #define TRACEREG_SZ 0xa0 |
| #define STACKFRAME_SZ 0xc0 |
| |
| #define TRACEREG32_SZ 0x50 |
| #define STACKFRAME32_SZ 0x60 |
| #endif /* __ASSEMBLY__ */ |
| |
| #else /* (defined(__sparc__) && defined(__arch64__)) */ |
| |
| /* 32 bit sparc */ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #ifdef __KERNEL__ |
| |
| #include <asm/system.h> |
| |
| static inline bool pt_regs_is_syscall(struct pt_regs *regs) |
| { |
| return (regs->psr & PSR_SYSCALL); |
| } |
| |
| static inline bool pt_regs_clear_syscall(struct pt_regs *regs) |
| { |
| return (regs->psr &= ~PSR_SYSCALL); |
| } |
| |
| #define arch_ptrace_stop_needed(exit_code, info) \ |
| ({ flush_user_windows(); \ |
| current_thread_info()->w_saved != 0; \ |
| }) |
| |
| #define arch_ptrace_stop(exit_code, info) \ |
| synchronize_user_stack() |
| |
| #define user_mode(regs) (!((regs)->psr & PSR_PS)) |
| #define instruction_pointer(regs) ((regs)->pc) |
| #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) |
| unsigned long profile_pc(struct pt_regs *); |
| extern void show_regs(struct pt_regs *); |
| #endif /* (__KERNEL__) */ |
| |
| #else /* (!__ASSEMBLY__) */ |
| /* For assembly code. */ |
| #define TRACEREG_SZ 0x50 |
| #define STACKFRAME_SZ 0x60 |
| #endif /* (!__ASSEMBLY__) */ |
| |
| #endif /* (defined(__sparc__) && defined(__arch64__)) */ |
| |
| #ifdef __KERNEL__ |
| #define STACK_BIAS 2047 |
| #endif |
| |
| /* These are for pt_regs. */ |
| #define PT_V9_G0 0x00 |
| #define PT_V9_G1 0x08 |
| #define PT_V9_G2 0x10 |
| #define PT_V9_G3 0x18 |
| #define PT_V9_G4 0x20 |
| #define PT_V9_G5 0x28 |
| #define PT_V9_G6 0x30 |
| #define PT_V9_G7 0x38 |
| #define PT_V9_I0 0x40 |
| #define PT_V9_I1 0x48 |
| #define PT_V9_I2 0x50 |
| #define PT_V9_I3 0x58 |
| #define PT_V9_I4 0x60 |
| #define PT_V9_I5 0x68 |
| #define PT_V9_I6 0x70 |
| #define PT_V9_FP PT_V9_I6 |
| #define PT_V9_I7 0x78 |
| #define PT_V9_TSTATE 0x80 |
| #define PT_V9_TPC 0x88 |
| #define PT_V9_TNPC 0x90 |
| #define PT_V9_Y 0x98 |
| #define PT_V9_MAGIC 0x9c |
| #define PT_TSTATE PT_V9_TSTATE |
| #define PT_TPC PT_V9_TPC |
| #define PT_TNPC PT_V9_TNPC |
| |
| /* These for pt_regs32. */ |
| #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_V9_L0 0x00 |
| #define RW_V9_L1 0x08 |
| #define RW_V9_L2 0x10 |
| #define RW_V9_L3 0x18 |
| #define RW_V9_L4 0x20 |
| #define RW_V9_L5 0x28 |
| #define RW_V9_L6 0x30 |
| #define RW_V9_L7 0x38 |
| #define RW_V9_I0 0x40 |
| #define RW_V9_I1 0x48 |
| #define RW_V9_I2 0x50 |
| #define RW_V9_I3 0x58 |
| #define RW_V9_I4 0x60 |
| #define RW_V9_I5 0x68 |
| #define RW_V9_I6 0x70 |
| #define RW_V9_I7 0x78 |
| |
| #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_V9_L0 0x00 |
| #define SF_V9_L1 0x08 |
| #define SF_V9_L2 0x10 |
| #define SF_V9_L3 0x18 |
| #define SF_V9_L4 0x20 |
| #define SF_V9_L5 0x28 |
| #define SF_V9_L6 0x30 |
| #define SF_V9_L7 0x38 |
| #define SF_V9_I0 0x40 |
| #define SF_V9_I1 0x48 |
| #define SF_V9_I2 0x50 |
| #define SF_V9_I3 0x58 |
| #define SF_V9_I4 0x60 |
| #define SF_V9_I5 0x68 |
| #define SF_V9_FP 0x70 |
| #define SF_V9_PC 0x78 |
| #define SF_V9_RETP 0x80 |
| #define SF_V9_XARG0 0x88 |
| #define SF_V9_XARG1 0x90 |
| #define SF_V9_XARG2 0x98 |
| #define SF_V9_XARG3 0xa0 |
| #define SF_V9_XARG4 0xa8 |
| #define SF_V9_XARG5 0xb0 |
| #define SF_V9_XXARG 0xb8 |
| |
| #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 |
| |
| #ifdef __KERNEL__ |
| |
| /* global_reg_snapshot offsets */ |
| #define GR_SNAP_TSTATE 0x00 |
| #define GR_SNAP_TPC 0x08 |
| #define GR_SNAP_TNPC 0x10 |
| #define GR_SNAP_O7 0x18 |
| #define GR_SNAP_I7 0x20 |
| #define GR_SNAP_RPC 0x28 |
| #define GR_SNAP_THREAD 0x30 |
| #define GR_SNAP_PAD1 0x38 |
| |
| #endif /* __KERNEL__ */ |
| |
| /* Stuff for the ptrace system call */ |
| #define PTRACE_SPARC_DETACH 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 |
| |
| /* There are for debugging 64-bit processes, either from a 32 or 64 bit |
| * parent. Thus their complements are for debugging 32-bit processes only. |
| */ |
| |
| #define PTRACE_GETREGS64 22 |
| #define PTRACE_SETREGS64 23 |
| /* PTRACE_SYSCALL is 24 */ |
| #define PTRACE_GETFPREGS64 25 |
| #define PTRACE_SETFPREGS64 26 |
| |
| #endif /* !(__SPARC_PTRACE_H) */ |
