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-rw-r--r--arch/powerpc/include/asm/ptrace.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 48223f9b8728..78a205162fd7 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -86,7 +86,18 @@ struct pt_regs {
#define instruction_pointer(regs) ((regs)->nip)
#define user_stack_pointer(regs) ((regs)->gpr[1])
#define kernel_stack_pointer(regs) ((regs)->gpr[1])
-#define regs_return_value(regs) ((regs)->gpr[3])
+static inline int is_syscall_success(struct pt_regs *regs)
+{
+ return !(regs->ccr & 0x10000000);
+}
+
+static inline long regs_return_value(struct pt_regs *regs)
+{
+ if (is_syscall_success(regs))
+ return regs->gpr[3];
+ else
+ return -regs->gpr[3];
+}
#ifdef CONFIG_SMP
extern unsigned long profile_pc(struct pt_regs *regs);