sh: Fix up asm-generic/ptrace.h fallout.
authorPaul Mundt <lethal@linux-sh.org>
Tue, 31 May 2011 05:39:49 +0000 (14:39 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Tue, 31 May 2011 05:39:49 +0000 (14:39 +0900)
There was an ordering issue with regards to instruction_pointer() being
used in profile_pc() prior to the asm-generic/ptrace.h include, which
subsequently provided the instruction_pointer() definition. In the
interest of simplicity we simply open-code the regs->pc deref for the
profile_pc() definition instead.

The FP functions were also broken due to a lack of a common regs->fp,
so provide a common GET_FP() that is safe for both architectures in order
to fix up the frame pointer helpers too.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/include/asm/ptrace.h

index 40725b4a80186a773cc4f72371cc77e9f3b0cd73..88bd6be168a9c3c4ceb1c2494930a858958473f1 100644 (file)
@@ -41,7 +41,9 @@
 
 #define user_mode(regs)                        (((regs)->sr & 0x40000000)==0)
 #define kernel_stack_pointer(_regs)    ((unsigned long)(_regs)->regs[15])
-#define GET_USP(regs) ((regs)->regs[15])
+
+#define GET_FP(regs)   ((regs)->regs[14])
+#define GET_USP(regs)  ((regs)->regs[15])
 
 extern void show_regs(struct pt_regs *);
 
@@ -131,7 +133,7 @@ extern void ptrace_triggered(struct perf_event *bp, int nmi,
 
 static inline unsigned long profile_pc(struct pt_regs *regs)
 {
-       unsigned long pc = instruction_pointer(regs);
+       unsigned long pc = regs->pc;
 
        if (virt_addr_uncached(pc))
                return CAC_ADDR(pc);