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authorAl Viro <viro@ftp.linux.org.uk>2006-01-12 01:06:07 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 09:08:58 -0800
commit40bc9c671a9f0a5189c07a2b4280aec9b40e30cd (patch)
treeb44709dbe0a5f825f6fc0a0e0bfeac1028d8c443 /arch/mips/kernel/ptrace.c
parent6450578f32cdca587ae5f148e2118b2fcc36bb11 (diff)
[PATCH] mips: 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/mips/kernel/ptrace.c')
-rw-r--r--arch/mips/kernel/ptrace.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 8d254933530..6c358b33316 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -64,8 +64,7 @@ int ptrace_getregs (struct task_struct *child, __s64 __user *data)
if (!access_ok(VERIFY_WRITE, data, 38 * 8))
return -EIO;
- regs = (struct pt_regs *) ((unsigned long) child->thread_info +
- THREAD_SIZE - 32 - sizeof(struct pt_regs));
+ regs = task_pt_regs(child);
for (i = 0; i < 32; i++)
__put_user (regs->regs[i], data + i);
@@ -92,8 +91,7 @@ int ptrace_setregs (struct task_struct *child, __s64 __user *data)
if (!access_ok(VERIFY_READ, data, 38 * 8))
return -EIO;
- regs = (struct pt_regs *) ((unsigned long) child->thread_info +
- THREAD_SIZE - 32 - sizeof(struct pt_regs));
+ regs = task_pt_regs(child);
for (i = 0; i < 32; i++)
__get_user (regs->regs[i], data + i);
@@ -198,8 +196,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
struct pt_regs *regs;
unsigned long tmp = 0;
- regs = (struct pt_regs *) ((unsigned long) child->thread_info +
- THREAD_SIZE - 32 - sizeof(struct pt_regs));
+ regs = task_pt_regs(child);
ret = 0; /* Default return value. */
switch (addr) {
@@ -314,8 +311,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PTRACE_POKEUSR: {
struct pt_regs *regs;
ret = 0;
- regs = (struct pt_regs *) ((unsigned long) child->thread_info +
- THREAD_SIZE - 32 - sizeof(struct pt_regs));
+ regs = task_pt_regs(child);
switch (addr) {
case 0 ... 31: