mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
0ac1555915
Convert m32r to the generic sys_ptrace. The conversion requires an architecture hook after ptrace_attach which this patch adds. The hook will also be needed for a conersion of ia64 to the generic ptrace code. Thanks to Hirokazu Takata for fixing a bug in the first version of this code. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
#ifndef _ASM_M32R_PTRACE_H
|
|
#define _ASM_M32R_PTRACE_H
|
|
|
|
/*
|
|
* linux/include/asm-m32r/ptrace.h
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* M32R version:
|
|
* Copyright (C) 2001-2002, 2004 Hirokazu Takata <takata at linux-m32r.org>
|
|
*/
|
|
|
|
/* 0 - 13 are integer registers (general purpose registers). */
|
|
#define PT_R4 0
|
|
#define PT_R5 1
|
|
#define PT_R6 2
|
|
#define PT_REGS 3
|
|
#define PT_R0 4
|
|
#define PT_R1 5
|
|
#define PT_R2 6
|
|
#define PT_R3 7
|
|
#define PT_R7 8
|
|
#define PT_R8 9
|
|
#define PT_R9 10
|
|
#define PT_R10 11
|
|
#define PT_R11 12
|
|
#define PT_R12 13
|
|
#define PT_SYSCNR 14
|
|
#define PT_R13 PT_FP
|
|
#define PT_R14 PT_LR
|
|
#define PT_R15 PT_SP
|
|
|
|
/* processor status and miscellaneous context registers. */
|
|
#define PT_ACC0H 15
|
|
#define PT_ACC0L 16
|
|
#define PT_ACC1H 17 /* ISA_DSP_LEVEL2 only */
|
|
#define PT_ACC1L 18 /* ISA_DSP_LEVEL2 only */
|
|
#define PT_PSW 19
|
|
#define PT_BPC 20
|
|
#define PT_BBPSW 21
|
|
#define PT_BBPC 22
|
|
#define PT_SPU 23
|
|
#define PT_FP 24
|
|
#define PT_LR 25
|
|
#define PT_SPI 26
|
|
#define PT_ORIGR0 27
|
|
|
|
/* virtual pt_reg entry for gdb */
|
|
#define PT_PC 30
|
|
#define PT_CBR 31
|
|
#define PT_EVB 32
|
|
|
|
|
|
/* Control registers. */
|
|
#define SPR_CR0 PT_PSW
|
|
#define SPR_CR1 PT_CBR /* read only */
|
|
#define SPR_CR2 PT_SPI
|
|
#define SPR_CR3 PT_SPU
|
|
#define SPR_CR4
|
|
#define SPR_CR5 PT_EVB /* part of M32R/E, M32R/I core only */
|
|
#define SPR_CR6 PT_BPC
|
|
#define SPR_CR7
|
|
#define SPR_CR8 PT_BBPSW
|
|
#define SPR_CR9
|
|
#define SPR_CR10
|
|
#define SPR_CR11
|
|
#define SPR_CR12
|
|
#define SPR_CR13 PT_WR
|
|
#define SPR_CR14 PT_BBPC
|
|
#define SPR_CR15
|
|
|
|
/* this struct defines the way the registers are stored on the
|
|
stack during a system call. */
|
|
struct pt_regs {
|
|
/* Saved main processor registers. */
|
|
unsigned long r4;
|
|
unsigned long r5;
|
|
unsigned long r6;
|
|
struct pt_regs *pt_regs;
|
|
unsigned long r0;
|
|
unsigned long r1;
|
|
unsigned long r2;
|
|
unsigned long r3;
|
|
unsigned long r7;
|
|
unsigned long r8;
|
|
unsigned long r9;
|
|
unsigned long r10;
|
|
unsigned long r11;
|
|
unsigned long r12;
|
|
long syscall_nr;
|
|
|
|
/* Saved main processor status and miscellaneous context registers. */
|
|
unsigned long acc0h;
|
|
unsigned long acc0l;
|
|
unsigned long acc1h; /* ISA_DSP_LEVEL2 only */
|
|
unsigned long acc1l; /* ISA_DSP_LEVEL2 only */
|
|
unsigned long psw;
|
|
unsigned long bpc; /* saved PC for TRAP syscalls */
|
|
unsigned long bbpsw;
|
|
unsigned long bbpc;
|
|
unsigned long spu; /* saved user stack */
|
|
unsigned long fp;
|
|
unsigned long lr; /* saved PC for JL syscalls */
|
|
unsigned long spi; /* saved kernel stack */
|
|
unsigned long orig_r0;
|
|
};
|
|
|
|
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
|
|
#define PTRACE_GETREGS 12
|
|
#define PTRACE_SETREGS 13
|
|
|
|
#define PTRACE_OLDSETOPTIONS 21
|
|
|
|
/* options set using PTRACE_SETOPTIONS */
|
|
#define PTRACE_O_TRACESYSGOOD 0x00000001
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */
|
|
|
|
struct task_struct;
|
|
extern void init_debug_traps(struct task_struct *);
|
|
#define arch_ptrace_attach(child) \
|
|
init_debug_traps(child)
|
|
|
|
#if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2)
|
|
#define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0)
|
|
#elif defined(CONFIG_ISA_M32R)
|
|
#define user_mode(regs) ((M32R_PSW_BSM & (regs)->psw) != 0)
|
|
#else
|
|
#error unknown isa configuration
|
|
#endif
|
|
|
|
#define instruction_pointer(regs) ((regs)->bpc)
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
|
|
|
extern void show_regs(struct pt_regs *);
|
|
|
|
extern void withdraw_debug_trap(struct pt_regs *regs);
|
|
|
|
#define task_pt_regs(task) \
|
|
((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1)
|
|
|
|
#endif /* __KERNEL */
|
|
|
|
#endif /* _ASM_M32R_PTRACE_H */
|