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authorAl Viro <viro@ftp.linux.org.uk>2011-09-14 16:21:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-14 18:09:37 -0700
commitf2833aef6a0517e933992c8007f330d0df5d9317 (patch)
treeb1f664d138b897a5d3f28bfc5e242089a4435916 /arch/um/sys-i386/ptrace.c
parentum: PTRACE_[GS]ETFPXREGS had been wired on the wrong subarch (diff)
downloadlinux-dev-f2833aef6a0517e933992c8007f330d0df5d9317.tar.xz
linux-dev-f2833aef6a0517e933992c8007f330d0df5d9317.zip
um: clean arch_ptrace() up a bit
1) take subarch-specific stuff to subarch_ptrace() 2) PTRACE_{PEEK,POKE}{TEXT,DATA} is handled by ptrace_request() just fine... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/sys-i386/ptrace.c')
-rw-r--r--arch/um/sys-i386/ptrace.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index 49fd25a5f206..3375c2717851 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -145,7 +145,7 @@ int peek_user(struct task_struct *child, long addr, long data)
return put_user(tmp, (unsigned long __user *) data);
}
-int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
{
int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
struct user_i387_struct fpregs;
@@ -161,7 +161,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
return n;
}
-int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
+static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
{
int n, cpu = ((struct thread_info *) child->stack)->cpu;
struct user_i387_struct fpregs;
@@ -174,7 +174,7 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
(unsigned long *) &fpregs);
}
-int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
+static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
{
int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
struct user_fxsr_struct fpregs;
@@ -190,7 +190,7 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
return n;
}
-int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
+static int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
{
int n, cpu = ((struct thread_info *) child->stack)->cpu;
struct user_fxsr_struct fpregs;
@@ -208,15 +208,21 @@ long subarch_ptrace(struct task_struct *child, long request,
{
int ret = -EIO;
void __user *datap = (void __user *) data;
-
switch (request) {
+ case PTRACE_GETFPREGS: /* Get the child FPU state. */
+ ret = get_fpregs(datap, child);
+ break;
+ case PTRACE_SETFPREGS: /* Set the child FPU state. */
+ ret = set_fpregs(datap, child);
+ break;
case PTRACE_GETFPXREGS: /* Get the child FPU state. */
ret = get_fpxregs(datap, child);
break;
case PTRACE_SETFPXREGS: /* Set the child FPU state. */
ret = set_fpxregs(datap, child);
break;
+ default:
+ ret = -EIO;
}
-
return ret;
}