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| author | Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:05:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:08:51 -0800 |
| commit | bb049232fa8fe08c90b182f378eed5017da5235c (patch) | |
| tree | b8a71968d4acedf35081986584c6f24c21c68b65 /arch/x86_64/ia32 | |
| parent | e4f17c436f8e4241995c2531372be8dd7ea6ff75 (diff) | |
| download | blackbird-op-linux-bb049232fa8fe08c90b182f378eed5017da5235c.tar.gz blackbird-op-linux-bb049232fa8fe08c90b182f378eed5017da5235c.zip | |
[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/ia32')
| -rw-r--r-- | arch/x86_64/ia32/ia32_binfmt.c | 7 | ||||
| -rw-r--r-- | arch/x86_64/ia32/ptrace32.c | 6 |
2 files changed, 6 insertions, 7 deletions
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index 2b760d0d9ce2..029bddab0459 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -197,8 +197,7 @@ static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *re static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) { - struct pt_regs *pp = (struct pt_regs *)(t->thread.rsp0); - --pp; + struct pt_regs *pp = task_pt_regs(t); ELF_CORE_COPY_REGS((*elfregs), pp); /* fix wrong segments */ (*elfregs)[7] = t->thread.ds; @@ -217,7 +216,7 @@ elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpr if (!tsk_used_math(tsk)) return 0; if (!regs) - regs = ((struct pt_regs *)tsk->thread.rsp0) - 1; + regs = task_pt_regs(tsk); if (tsk == current) unlazy_fpu(tsk); set_fs(KERNEL_DS); @@ -233,7 +232,7 @@ elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpr static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu) { - struct pt_regs *regs = ((struct pt_regs *)(t->thread.rsp0))-1; + struct pt_regs *regs = task_pt_regs(t); if (!tsk_used_math(t)) return 0; if (t == current) diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c index ea4394e021d6..23a4515a73b4 100644 --- a/arch/x86_64/ia32/ptrace32.c +++ b/arch/x86_64/ia32/ptrace32.c @@ -41,7 +41,7 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 val) { int i; - __u64 *stack = (__u64 *)(child->thread.rsp0 - sizeof(struct pt_regs)); + __u64 *stack = (__u64 *)task_pt_regs(child); switch (regno) { case offsetof(struct user32, regs.fs): @@ -137,7 +137,7 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 val) static int getreg32(struct task_struct *child, unsigned regno, u32 *val) { - __u64 *stack = (__u64 *)(child->thread.rsp0 - sizeof(struct pt_regs)); + __u64 *stack = (__u64 *)task_pt_regs(child); switch (regno) { case offsetof(struct user32, regs.fs): @@ -238,7 +238,7 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data) if (ret < 0) goto out; - childregs = (struct pt_regs *)(child->thread.rsp0 - sizeof(struct pt_regs)); + childregs = task_pt_regs(child); switch (request) { case PTRACE_PEEKDATA: |
