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 <[email protected]>
---
arch/x86/kernel/ptrace.c | 37 +------------------------------------
1 files changed, 1 insertions(+), 36 deletions(-)
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 25b6578..dac5503 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -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 ||
@@ -1184,24 +1172,6 @@ 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)
@@ -1247,13 +1217,8 @@ 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:
--
1.5.3.6
--
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