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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-22 19:34:09 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-22 19:34:09 +0100 |
commit | f20e3b5fe7ead0615309433260b9784d8da0bbbd (patch) | |
tree | eabb2e47a0355ac4e8024b7087b4e7cb9f324358 /arch/parisc/include/asm/ptrace.h | |
parent | bcbfe664e7af019e698cef2feb85ac2b4f1ac11d (diff) | |
parent | f030d7b65e4e6399f23de2a41a58d1b607b6bd89 (diff) | |
download | blackbird-op-linux-f20e3b5fe7ead0615309433260b9784d8da0bbbd.tar.gz blackbird-op-linux-f20e3b5fe7ead0615309433260b9784d8da0bbbd.zip |
Merge branch 'for-rmk' of git://git.android.com/kernel into devel
Diffstat (limited to 'arch/parisc/include/asm/ptrace.h')
-rw-r--r-- | arch/parisc/include/asm/ptrace.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h new file mode 100644 index 000000000000..afa5333187b4 --- /dev/null +++ b/arch/parisc/include/asm/ptrace.h @@ -0,0 +1,68 @@ +#ifndef _PARISC_PTRACE_H +#define _PARISC_PTRACE_H + +/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg +** Copyright (C) 2000 Grant Grundler, Hewlett-Packard +*/ + +#include <linux/types.h> + +/* This struct defines the way the registers are stored on the + * stack during a system call. + * + * N.B. gdb/strace care about the size and offsets within this + * structure. If you change things, you may break object compatibility + * for those applications. + */ + +struct pt_regs { + unsigned long gr[32]; /* PSW is in gr[0] */ + __u64 fr[32]; + unsigned long sr[ 8]; + unsigned long iasq[2]; + unsigned long iaoq[2]; + unsigned long cr27; + unsigned long pad0; /* available for other uses */ + unsigned long orig_r28; + unsigned long ksp; + unsigned long kpc; + unsigned long sar; /* CR11 */ + unsigned long iir; /* CR19 */ + unsigned long isr; /* CR20 */ + unsigned long ior; /* CR21 */ + unsigned long ipsw; /* CR22 */ +}; + +/* + * The numbers chosen here are somewhat arbitrary but absolutely MUST + * not overlap with any of the number assigned in <linux/ptrace.h>. + * + * These ones are taken from IA-64 on the assumption that theirs are + * the most correct (and we also want to support PTRACE_SINGLEBLOCK + * since we have taken branch traps too) + */ +#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */ + +#ifdef __KERNEL__ + +#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS)) + +#define __ARCH_WANT_COMPAT_SYS_PTRACE + +struct task_struct; +#define arch_has_single_step() 1 +void user_disable_single_step(struct task_struct *task); +void user_enable_single_step(struct task_struct *task); + +#define arch_has_block_step() 1 +void user_enable_block_step(struct task_struct *task); + +/* XXX should we use iaoq[1] or iaoq[0] ? */ +#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0) +#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0) +#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3) +unsigned long profile_pc(struct pt_regs *); +extern void show_regs(struct pt_regs *); +#endif + +#endif |