93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
|
/* ptrace.h: ptrace() relevant definitions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the License, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
#ifndef _ASM_PTRACE_H
|
||
|
|
#define _ASM_PTRACE_H
|
||
|
|
|
||
|
|
#include <asm/registers.h>
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
#include <asm/irq_regs.h>
|
||
|
|
|
||
|
|
#define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#define PT_PSR 0
|
||
|
|
#define PT_ISR 1
|
||
|
|
#define PT_CCR 2
|
||
|
|
#define PT_CCCR 3
|
||
|
|
#define PT_LR 4
|
||
|
|
#define PT_LCR 5
|
||
|
|
#define PT_PC 6
|
||
|
|
|
||
|
|
#define PT__STATUS 7 /* exception status */
|
||
|
|
#define PT_SYSCALLNO 8 /* syscall number or -1 */
|
||
|
|
#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */
|
||
|
|
#define PT_GNER0 10
|
||
|
|
#define PT_GNER1 11
|
||
|
|
#define PT_IACC0H 12
|
||
|
|
#define PT_IACC0L 13
|
||
|
|
|
||
|
|
#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */
|
||
|
|
#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */
|
||
|
|
#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */
|
||
|
|
#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */
|
||
|
|
#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */
|
||
|
|
#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */
|
||
|
|
#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */
|
||
|
|
#define PT__GPEND 78
|
||
|
|
#define PT__END 157
|
||
|
|
|
||
|
|
#define PT_TBR PT_GR(0)
|
||
|
|
#define PT_SP PT_GR(1)
|
||
|
|
#define PT_FP PT_GR(2)
|
||
|
|
#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */
|
||
|
|
#define PT_CURR_TASK PT_GR(29) /* current task */
|
||
|
|
|
||
|
|
|
||
|
|
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
|
||
|
|
#define PTRACE_GETREGS 12
|
||
|
|
#define PTRACE_SETREGS 13
|
||
|
|
#define PTRACE_GETFPREGS 14
|
||
|
|
#define PTRACE_SETFPREGS 15
|
||
|
|
#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
|
||
|
|
|
||
|
|
#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
|
||
|
|
#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
|
||
|
|
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
|
||
|
|
struct task_struct;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* we dedicate GR28 to keeping a pointer to the current exception frame
|
||
|
|
* - gr28 is destroyed on entry to the kernel from userspace
|
||
|
|
*/
|
||
|
|
register struct pt_regs *__frame asm("gr28");
|
||
|
|
|
||
|
|
#define user_mode(regs) (!((regs)->psr & PSR_S))
|
||
|
|
#define instruction_pointer(regs) ((regs)->pc)
|
||
|
|
#define user_stack_pointer(regs) ((regs)->sp)
|
||
|
|
|
||
|
|
extern unsigned long user_stack(const struct pt_regs *);
|
||
|
|
extern void show_regs(struct pt_regs *);
|
||
|
|
#define profile_pc(regs) ((regs)->pc)
|
||
|
|
|
||
|
|
#define task_pt_regs(task) ((task)->thread.frame0)
|
||
|
|
|
||
|
|
#define arch_has_single_step() (1)
|
||
|
|
extern void user_enable_single_step(struct task_struct *);
|
||
|
|
extern void user_disable_single_step(struct task_struct *);
|
||
|
|
|
||
|
|
#endif /* !__ASSEMBLY__ */
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
#endif /* _ASM_PTRACE_H */
|