db7d9a4eb7
These two bits were accesses non-atomically from assembler code. So, in order to eliminate any potential races resulting from that, move these pieces of state into two bytes elsewhere in struct thread_info. Signed-off-by: David S. Miller <davem@davemloft.net>
298 lines
7.2 KiB
C
298 lines
7.2 KiB
C
/* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */
|
|
#ifndef _SPARC64_PTRACE_H
|
|
#define _SPARC64_PTRACE_H
|
|
|
|
#include <asm/pstate.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 u_regs[16]; /* globals and ins */
|
|
unsigned long tstate;
|
|
unsigned long tpc;
|
|
unsigned long tnpc;
|
|
unsigned int y;
|
|
unsigned int fprs;
|
|
};
|
|
|
|
struct pt_regs32 {
|
|
unsigned int psr;
|
|
unsigned int pc;
|
|
unsigned int npc;
|
|
unsigned int y;
|
|
unsigned int 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_FP UREG_I6
|
|
#define UREG_RETPC UREG_I7
|
|
|
|
/* 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;
|
|
};
|
|
|
|
#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)
|
|
|
|
#ifdef __KERNEL__
|
|
#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)
|
|
#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
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
/* For assembly code. */
|
|
#define TRACEREG_SZ 0xa0
|
|
#define STACKFRAME_SZ 0xc0
|
|
|
|
#define TRACEREG32_SZ 0x50
|
|
#define STACKFRAME32_SZ 0x60
|
|
#endif
|
|
|
|
#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_FPRS 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
|
|
|
|
/* 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
|
|
|
|
/* 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
|
|
|
|
#define PTRACE_GETUCODE 29 /* stupid bsd-ism */
|
|
|
|
/* These are for 32-bit processes debugging 64-bit ones.
|
|
* Here addr and addr2 are passed in %g2 and %g3 respectively.
|
|
*/
|
|
#define PTRACE_PEEKTEXT64 (30 + PTRACE_PEEKTEXT)
|
|
#define PTRACE_POKETEXT64 (30 + PTRACE_POKETEXT)
|
|
#define PTRACE_PEEKDATA64 (30 + PTRACE_PEEKDATA)
|
|
#define PTRACE_POKEDATA64 (30 + PTRACE_POKEDATA)
|
|
#define PTRACE_READDATA64 (30 + PTRACE_READDATA)
|
|
#define PTRACE_WRITEDATA64 (30 + PTRACE_WRITEDATA)
|
|
#define PTRACE_READTEXT64 (30 + PTRACE_READTEXT)
|
|
#define PTRACE_WRITETEXT64 (30 + PTRACE_WRITETEXT)
|
|
|
|
#endif /* !(_SPARC64_PTRACE_H) */
|