bde4d8b205
Build failures for the typical configs I use Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
456 lines
10 KiB
C
456 lines
10 KiB
C
#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 chosen 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__
|
|
|
|
#include <linux/types.h>
|
|
|
|
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/switch_to.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 instruction_pointer_set(regs, val) ((regs)->tpc = (val))
|
|
#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
|
|
static inline int is_syscall_success(struct pt_regs *regs)
|
|
{
|
|
return !(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY));
|
|
}
|
|
|
|
static inline long regs_return_value(struct pt_regs *regs)
|
|
{
|
|
return 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
|
|
#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/switch_to.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 *);
|
|
#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) */
|