Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[pandora-kernel.git] / include / asm-x86 / ptrace.h

diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index 79d5b8f..9f922b0 100644 (file)
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -36,23 +36,23 @@ struct pt_regs {
 #else /* __KERNEL__ */
 
 struct pt_regs {
-       long bx;
-       long cx;
-       long dx;
-       long si;
-       long di;
-       long bp;
-       long ax;
-       int  ds;
-       int  es;
-       int  fs;
+       unsigned long bx;
+       unsigned long cx;
+       unsigned long dx;
+       unsigned long si;
+       unsigned long di;
+       unsigned long bp;
+       unsigned long ax;
+       unsigned long ds;
+       unsigned long es;
+       unsigned long fs;
        /* int  gs; */
-       long orig_ax;
-       long ip;
-       int  cs;
-       long flags;
-       long sp;
-       int  ss;
+       unsigned long orig_ax;
+       unsigned long ip;
+       unsigned long cs;
+       unsigned long flags;
+       unsigned long sp;
+       unsigned long ss;
 };
 
 #include <asm/vm86.h>
@@ -140,12 +140,16 @@ extern unsigned long
 convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
 
 #ifdef CONFIG_X86_32
-extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
+extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
+                        int error_code);
 #else
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 #endif
 
-#define regs_return_value(regs) ((regs)->ax)
+static inline unsigned long regs_return_value(struct pt_regs *regs)
+{
+       return regs->ax;
+}
 
 /*
  * user_mode_vm(regs) determines whether a register set came from user mode.
@@ -166,8 +170,8 @@ static inline int user_mode(struct pt_regs *regs)
 static inline int user_mode_vm(struct pt_regs *regs)
 {
 #ifdef CONFIG_X86_32
-       return ((regs->cs & SEGMENT_RPL_MASK) |
-               (regs->flags & VM_MASK)) >= USER_RPL;
+       return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
+               USER_RPL;
 #else
        return user_mode(regs);
 #endif
@@ -176,13 +180,19 @@ static inline int user_mode_vm(struct pt_regs *regs)
 static inline int v8086_mode(struct pt_regs *regs)
 {
 #ifdef CONFIG_X86_32
-       return (regs->flags & VM_MASK);
+       return (regs->flags & X86_VM_MASK);
 #else
        return 0;       /* No V86 mode support in long mode */
 #endif
 }
 
-static inline unsigned long stack_pointer(struct pt_regs *regs)
+/*
+ * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
+ * when it traps.  So regs will be the current sp.
+ *
+ * This is valid only for kernel mode traps.
+ */
+static inline unsigned long kernel_trap_sp(struct pt_regs *regs)
 {
 #ifdef CONFIG_X86_32
        return (unsigned long)regs;
@@ -221,6 +231,8 @@ extern int do_get_thread_area(struct task_struct *p, int idx,
 extern int do_set_thread_area(struct task_struct *p, int idx,
                              struct user_desc __user *info, int can_allocate);
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #endif /* __KERNEL__ */
 
 #endif /* !__ASSEMBLY__ */