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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:05:38 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:08:51 -0800
commitbb049232fa8fe08c90b182f378eed5017da5235c (patch)
treeb8a71968d4acedf35081986584c6f24c21c68b65 /arch/x86_64/kernel/ptrace.c
parente4f17c436f8e4241995c2531372be8dd7ea6ff75 (diff)
downloadlinux-bb049232fa8fe08c90b182f378eed5017da5235c.tar.bz2
[PATCH] amd64: task_pt_regs()
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>
Diffstat (limited to 'arch/x86_64/kernel/ptrace.c')
-rw-r--r--arch/x86_64/kernel/ptrace.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 86248bc9303e..53205622351c 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -67,12 +67,6 @@ static inline unsigned long get_stack_long(struct task_struct *task, int offset)
return (*((unsigned long *)stack));
}
-static inline struct pt_regs *get_child_regs(struct task_struct *task)
-{
- struct pt_regs *regs = (void *)task->thread.rsp0;
- return regs - 1;
-}
-
/*
* this routine will put a word on the processes privileged stack.
* the offset is how far from the base addr as stored in the TSS.
@@ -170,7 +164,7 @@ static int is_at_popf(struct task_struct *child, struct pt_regs *regs)
static void set_singlestep(struct task_struct *child)
{
- struct pt_regs *regs = get_child_regs(child);
+ struct pt_regs *regs = task_pt_regs(child);
/*
* Always set TIF_SINGLESTEP - this guarantees that
@@ -208,7 +202,7 @@ static void clear_singlestep(struct task_struct *child)
/* But touch TF only if it was set by us.. */
if (child->ptrace & PT_DTRACE) {
- struct pt_regs *regs = get_child_regs(child);
+ struct pt_regs *regs = task_pt_regs(child);
regs->eflags &= ~TRAP_FLAG;
child->ptrace &= ~PT_DTRACE;
}