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x86: x86 ptrace generic requests

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This removes duplicated code by calling the generic ptrace_request and
compat_ptrace_request functions for the things they already handle.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Roland McGrath 2008-01-30 13:31:56 +01:00 committed by Ingo Molnar
parent bb61682b3f
commit fdadd54db5
1 changed files with 1 additions and 36 deletions
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37
arch/x86/kernel/ptrace.c
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@ -760,12 +760,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
unsigned long __user *datap = (unsigned long __user *)data;
switch (request) {
/* when I and D space are separate, these will need to be fixed. */
case PTRACE_PEEKTEXT: /* read word at location addr. */
case PTRACE_PEEKDATA:
ret = generic_ptrace_peekdata(child, addr, data);
break;
/* read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
unsigned long tmp;
@ -787,12 +781,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}
/* when I and D space are separate, this will have to be fixed. */
case PTRACE_POKETEXT: /* write the word at location addr. */
case PTRACE_POKEDATA:
ret = generic_ptrace_pokedata(child, addr, data);
break;
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
if ((addr & (sizeof(data) - 1)) || addr < 0 ||
@ -1183,24 +1171,6 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
childregs = task_pt_regs(child);
switch (request) {
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
ret = 0;
if (access_process_vm(child, addr, &val, sizeof(u32), 0) !=
sizeof(u32))
ret = -EIO;
else
ret = put_user(val, (unsigned int __user *)datap);
break;
case PTRACE_POKEDATA:
case PTRACE_POKETEXT:
ret = 0;
if (access_process_vm(child, addr, &data, sizeof(u32), 1) !=
sizeof(u32))
ret = -EIO;
break;
case PTRACE_PEEKUSR:
ret = getreg32(child, addr, &val);
if (ret == 0)
@ -1246,13 +1216,8 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
sizeof(struct user32_fxsr_struct),
datap);
case PTRACE_GETEVENTMSG:
ret = put_user(child->ptrace_message,
(unsigned int __user *)compat_ptr(data));
break;
default:
BUG();
return compat_ptrace_request(child, request, addr, data);
}
out: