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linux/include/asm-m32r/ptrace.h

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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#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>
*/
#include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */
/* 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. */
#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
#define PT_ACC0H 15
#define PT_ACC0L 16
#define PT_ACC1H 17
#define PT_ACC1L 18
#define PT_ACCH PT_ACC0H
#define PT_ACCL PT_ACC0L
[PATCH] m32r: Fix pt_regs for !COFNIG_ISA_DSP_LEVEL2 target This modification is required to fix debugging function for m32r targets with !CONFIG_ISA_DSP_LEVEL2, by unifying 'struct pt_regs' and 'struct sigcontext' size for all M32R ISA. Some m32r processor core with !CONFIG_ISA_DSP_LEVEL2 configuration has only single accumulator a0 (ex. VDEC2 core, M32102 core, etc.), the others with CONFIG_ISA_DSP_LEVEL2 has two accumulators, a0 and a1. This means there are two variations of thread context. So far, we reduced and changed stackframe size at a syscall for their context size. However, this causes a problem that a GDB for processors with CONFIG_ISA_DSP_LEVEL2 cannot be used for processors with !CONFIG_ISA_DSP_LEVEL2. From the viewpoint of GDB support, we should reduce such variation of stackframe size for simplicity. In this patch, dummy members are added to 'struct pt_regs' and 'struct sigcontext' to adjust their size for !CONFIG_ISA_DSP_LEVEL2. This modification is also a one step for a GDB update in future. Currently, on the m32r, GDB can access process's context by using ptrace functions in a simple way of register by register access. By unifying stackframe size, we have a possibility to make use of ptrace functions of not only a single register access but also block register access, PTRACE_{GETREGS,PUTREGS}. However, for this purpose, we might have to modify stackframe structure some more; for example, PSW (processor status word) register should be pre-processed before pushing to stack at a syscall, and so on. In this case, we must update carefully both kernel and GDB at a time... Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: Kei Sakamoto <ksakamot@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-18 22:21:20 -07:00
#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
#define PT_ACCH 15
#define PT_ACCL 16
#define PT_DUMMY_ACC1H 17
#define PT_DUMMY_ACC1L 18
#else
#error unknown isa conifiguration
#endif
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#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. */
#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
unsigned long acc0h;
unsigned long acc0l;
unsigned long acc1h;
unsigned long acc1l;
#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
unsigned long acch;
unsigned long accl;
[PATCH] m32r: Fix pt_regs for !COFNIG_ISA_DSP_LEVEL2 target This modification is required to fix debugging function for m32r targets with !CONFIG_ISA_DSP_LEVEL2, by unifying 'struct pt_regs' and 'struct sigcontext' size for all M32R ISA. Some m32r processor core with !CONFIG_ISA_DSP_LEVEL2 configuration has only single accumulator a0 (ex. VDEC2 core, M32102 core, etc.), the others with CONFIG_ISA_DSP_LEVEL2 has two accumulators, a0 and a1. This means there are two variations of thread context. So far, we reduced and changed stackframe size at a syscall for their context size. However, this causes a problem that a GDB for processors with CONFIG_ISA_DSP_LEVEL2 cannot be used for processors with !CONFIG_ISA_DSP_LEVEL2. From the viewpoint of GDB support, we should reduce such variation of stackframe size for simplicity. In this patch, dummy members are added to 'struct pt_regs' and 'struct sigcontext' to adjust their size for !CONFIG_ISA_DSP_LEVEL2. This modification is also a one step for a GDB update in future. Currently, on the m32r, GDB can access process's context by using ptrace functions in a simple way of register by register access. By unifying stackframe size, we have a possibility to make use of ptrace functions of not only a single register access but also block register access, PTRACE_{GETREGS,PUTREGS}. However, for this purpose, we might have to modify stackframe structure some more; for example, PSW (processor status word) register should be pre-processed before pushing to stack at a syscall, and so on. In this case, we must update carefully both kernel and GDB at a time... Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Cc: Kei Sakamoto <ksakamot@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-04-18 22:21:20 -07:00
unsigned long dummy_acc1h;
unsigned long dummy_acc1l;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#else
#error unknown isa configuration
#endif
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__
[PATCH] consolidate sys_ptrace() The sys_ptrace boilerplate code (everything outside the big switch statement for the arch-specific requests) is shared by most architectures. This patch moves it to kernel/ptrace.c and leaves the arch-specific code as arch_ptrace. Some architectures have a too different ptrace so we have to exclude them. They continue to keep their implementations. For sh64 I had to add a sh64_ptrace wrapper because it does some initialization on the first call. For um I removed an ifdefed SUBARCH_PTRACE_SPECIAL block, but SUBARCH_PTRACE_SPECIAL isn't defined anywhere in the tree. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Paul Mackerras <paulus@samba.org> Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-By: David Howells <dhowells@redhat.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 01:59:47 -07:00
#define __ARCH_SYS_PTRACE 1
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#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);
[PATCH] m32r: task_pt_regs(), task_stack_page(), task_thread_info() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-12 02:05:52 -07:00
#define task_pt_regs(task) \
((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1)
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#endif /* __KERNEL */
#endif /* _ASM_M32R_PTRACE_H */
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