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[PATCH] mips: task_pt_regs()

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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>
This commit is contained in:
Al Viro
2006-01-12 01:06:07 -08:00
committed by Linus Torvalds
parent 6450578f32
commit 40bc9c671a
5 changed files with 12 additions and 20 deletions
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4
arch/mips/kernel/process.c
View File

@@ -229,9 +229,7 @@ void elf_dump_regs(elf_greg_t *gp, struct pt_regs *regs)
int dump_task_regs (struct task_struct *tsk, elf_gregset_t *regs)
{
struct thread_info *ti = tsk->thread_info;
long ksp = (unsigned long)ti + THREAD_SIZE - 32;
elf_dump_regs(&(*regs)[0], (struct pt_regs *) ksp - 1);
elf_dump_regs(*regs, task_pt_regs(tsk));
return 1;
}

12
arch/mips/kernel/ptrace.c
View File

@@ -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:

6
arch/mips/kernel/ptrace32.c
View File

@@ -126,8 +126,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
struct pt_regs *regs;
unsigned int tmp;
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) {
@@ -259,8 +258,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int 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: