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m32r: convert to generic sys_ptrace

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Convert m32r to the generic sys_ptrace.  The conversion requires an
architecture hook after ptrace_attach which this patch adds.  The hook
will also be needed for a conersion of ia64 to the generic ptrace code.

Thanks to Hirokazu Takata for fixing a bug in the first version of this
code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig
2007-10-16 01:26:37 -07:00
committed by Linus Torvalds
parent dab8f4963a
commit 0ac1555915
3 changed files with 17 additions and 40 deletions
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5
include/asm-m32r/ptrace.h
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@@ -120,7 +120,10 @@ struct pt_regs {
#include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */
#define __ARCH_SYS_PTRACE 1
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)