#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 */