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Diffstat (limited to 'arch/powerpc/include/asm/ptrace.h')
-rw-r--r--arch/powerpc/include/asm/ptrace.h22
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 5db45790a087..ac3970fff0d5 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -182,13 +182,13 @@ extern int ptrace_put_reg(struct task_struct *task, int regno,
#ifdef __powerpc64__
#ifdef CONFIG_PPC_BOOK3S
-#define TRAP_FLAGS_MASK 0
-#define TRAP(regs) ((regs)->trap)
+#define TRAP_FLAGS_MASK 0x10
+#define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
#define FULL_REGS(regs) true
#define SET_FULL_REGS(regs) do { } while (0)
#else
-#define TRAP_FLAGS_MASK 0x1
-#define TRAP(regs) ((regs)->trap & ~0x1)
+#define TRAP_FLAGS_MASK 0x11
+#define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
#define SET_FULL_REGS(regs) ((regs)->trap |= 1)
#endif
@@ -202,8 +202,8 @@ extern int ptrace_put_reg(struct task_struct *task, int regno,
* On 4xx we use the next bit to indicate whether the exception
* is a critical exception (1 means it is).
*/
-#define TRAP_FLAGS_MASK 0xF
-#define TRAP(regs) ((regs)->trap & ~0xF)
+#define TRAP_FLAGS_MASK 0x1F
+#define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
#define SET_FULL_REGS(regs) ((regs)->trap |= 1)
#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) != 0)
@@ -227,6 +227,16 @@ static inline bool trap_is_syscall(struct pt_regs *regs)
return TRAP(regs) == 0xc00;
}
+static inline bool trap_norestart(struct pt_regs *regs)
+{
+ return regs->trap & 0x10;
+}
+
+static inline void set_trap_norestart(struct pt_regs *regs)
+{
+ regs->trap |= 0x10;
+}
+
#define arch_has_single_step() (1)
#ifndef CONFIG_BOOK3S_601
#define arch_has_block_step() (true)