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| author | Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:06:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:08:58 -0800 |
| commit | 40bc9c671a9f0a5189c07a2b4280aec9b40e30cd (patch) | |
| tree | b44709dbe0a5f825f6fc0a0e0bfeac1028d8c443 /arch | |
| parent | 6450578f32cdca587ae5f148e2118b2fcc36bb11 (diff) | |
| download | lwn-40bc9c671a9f0a5189c07a2b4280aec9b40e30cd.tar.gz lwn-40bc9c671a9f0a5189c07a2b4280aec9b40e30cd.zip | |
[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')
| -rw-r--r-- | arch/mips/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/ptrace.c | 12 | ||||
| -rw-r--r-- | arch/mips/kernel/ptrace32.c | 6 |
3 files changed, 7 insertions, 15 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 0476a4dce14e..aca56f4a5d50 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -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; } diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 8d2549335304..6c358b333166 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: diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 1f998bfde165..456ec438728c 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -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: |