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f22ab814a2
This patch contains the following cleanups for the asm/ptrace.h
userspace headers:
- include/asm-generic/Kbuild.asm already lists ptrace.h, remove
the superfluous listings in the Kbuild files of the following
architectures:
- cris
- frv
- powerpc
- x86
- don't expose function prototypes and macros to userspace:
- arm
- blackfin
- cris
- mn10300
- parisc
- remove #ifdef CONFIG_'s around #define's:
- blackfin
- m68knommu
- sh: AFAIK __SH5__ should work in both kernel and userspace,
no need to leak CONFIG_SUPERH64 to userspace
- xtensa: cosmetical change to remove empty
#ifndef __ASSEMBLY__ #else #endif
from the userspace headers
Not changed by this patch is the fact that the following architectures
have a different struct pt_regs depending on CONFIG_ variables:
- h8300
- m68knommu
- mips
This does not work in userspace.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: <linux-arch@vger.kernel.org>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Chris Zankel <chris@zankel.net>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* MN10300 Exception frame layout and ptrace constants
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_PTRACE_H
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#define _ASM_PTRACE_H
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#define PT_A3 0
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#define PT_A2 1
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#define PT_D3 2
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#define PT_D2 3
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#define PT_MCVF 4
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#define PT_MCRL 5
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#define PT_MCRH 6
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#define PT_MDRQ 7
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#define PT_E1 8
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#define PT_E0 9
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#define PT_E7 10
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#define PT_E6 11
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#define PT_E5 12
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#define PT_E4 13
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#define PT_E3 14
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#define PT_E2 15
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#define PT_SP 16
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#define PT_LAR 17
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#define PT_LIR 18
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#define PT_MDR 19
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#define PT_A1 20
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#define PT_A0 21
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#define PT_D1 22
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#define PT_D0 23
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#define PT_ORIG_D0 24
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#define PT_EPSW 25
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#define PT_PC 26
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#define NR_PTREGS 27
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#ifndef __ASSEMBLY__
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/*
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* This defines the way registers are stored in the event of an exception
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* - the strange order is due to the MOVM instruction
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*/
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struct pt_regs {
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unsigned long a3; /* syscall arg 3 */
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unsigned long a2; /* syscall arg 4 */
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unsigned long d3; /* syscall arg 5 */
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unsigned long d2; /* syscall arg 6 */
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unsigned long mcvf;
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unsigned long mcrl;
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unsigned long mcrh;
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unsigned long mdrq;
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unsigned long e1;
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unsigned long e0;
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unsigned long e7;
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unsigned long e6;
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unsigned long e5;
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unsigned long e4;
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unsigned long e3;
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unsigned long e2;
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unsigned long sp;
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unsigned long lar;
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unsigned long lir;
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unsigned long mdr;
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unsigned long a1;
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unsigned long a0; /* syscall arg 1 */
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unsigned long d1; /* syscall arg 2 */
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unsigned long d0; /* syscall ret */
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struct pt_regs *next; /* next frame pointer */
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unsigned long orig_d0; /* syscall number */
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unsigned long epsw;
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unsigned long pc;
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};
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#endif
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extern struct pt_regs *__frame; /* current frame pointer */
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/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
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#define PTRACE_GETREGS 12
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#define PTRACE_SETREGS 13
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#define PTRACE_GETFPREGS 14
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#define PTRACE_SETFPREGS 15
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/* options set using PTRACE_SETOPTIONS */
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#define PTRACE_O_TRACESYSGOOD 0x00000001
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#if defined(__KERNEL__)
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#if !defined(__ASSEMBLY__)
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#define user_mode(regs) (((regs)->epsw & EPSW_nSL) == EPSW_nSL)
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#define instruction_pointer(regs) ((regs)->pc)
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extern void show_regs(struct pt_regs *);
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#endif /* !__ASSEMBLY */
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#define profile_pc(regs) ((regs)->pc)
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#endif /* __KERNEL__ */
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#endif /* _ASM_PTRACE_H */
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