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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/parisc/include/asm/ptrace.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/parisc/include/asm/ptrace.h')
-rw-r--r-- | arch/parisc/include/asm/ptrace.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h new file mode 100644 index 00000000..250ae35a --- /dev/null +++ b/arch/parisc/include/asm/ptrace.h @@ -0,0 +1,63 @@ +#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_has_single_step() 1 +#define arch_has_block_step() 1 + +/* 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) +#define user_stack_pointer(regs) ((regs)->gr[30]) +unsigned long profile_pc(struct pt_regs *); + + +#endif /* __KERNEL__ */ + +#endif |