diff options
| author | David Howells <dhowells@redhat.com> | 2009-06-11 08:05:24 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 12:01:26 -0400 |
| commit | 4a3b98932270f5d69f2c081924e356325ed704d9 (patch) | |
| tree | e2a8e37a37ed7e3be32c12ea233ea18c389549d0 /arch/frv/include/asm/ptrace.h | |
| parent | 24ceb7e8a6c5dd6e32ac3d43a2424542c97989f5 (diff) | |
FRV: Implement new-style ptrace
Implement the new-style ptrace for FRV, including adding appropriate
tracehooks.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv/include/asm/ptrace.h')
| -rw-r--r-- | arch/frv/include/asm/ptrace.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index cf6934012b64..a54b535c9e49 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h | |||
| @@ -65,6 +65,8 @@ | |||
| 65 | #ifdef __KERNEL__ | 65 | #ifdef __KERNEL__ |
| 66 | #ifndef __ASSEMBLY__ | 66 | #ifndef __ASSEMBLY__ |
| 67 | 67 | ||
| 68 | struct task_struct; | ||
| 69 | |||
| 68 | /* | 70 | /* |
| 69 | * we dedicate GR28 to keeping a pointer to the current exception frame | 71 | * we dedicate GR28 to keeping a pointer to the current exception frame |
| 70 | * - gr28 is destroyed on entry to the kernel from userspace | 72 | * - gr28 is destroyed on entry to the kernel from userspace |
| @@ -73,11 +75,18 @@ register struct pt_regs *__frame asm("gr28"); | |||
| 73 | 75 | ||
| 74 | #define user_mode(regs) (!((regs)->psr & PSR_S)) | 76 | #define user_mode(regs) (!((regs)->psr & PSR_S)) |
| 75 | #define instruction_pointer(regs) ((regs)->pc) | 77 | #define instruction_pointer(regs) ((regs)->pc) |
| 78 | #define user_stack_pointer(regs) ((regs)->sp) | ||
| 76 | 79 | ||
| 77 | extern unsigned long user_stack(const struct pt_regs *); | 80 | extern unsigned long user_stack(const struct pt_regs *); |
| 78 | extern void show_regs(struct pt_regs *); | 81 | extern void show_regs(struct pt_regs *); |
| 79 | #define profile_pc(regs) ((regs)->pc) | 82 | #define profile_pc(regs) ((regs)->pc) |
| 80 | #endif | 83 | |
| 84 | #define task_pt_regs(task) ((task)->thread.frame0) | ||
| 85 | |||
| 86 | #define arch_has_single_step() (1) | ||
| 87 | extern void user_enable_single_step(struct task_struct *); | ||
| 88 | extern void user_disable_single_step(struct task_struct *); | ||
| 81 | 89 | ||
| 82 | #endif /* !__ASSEMBLY__ */ | 90 | #endif /* !__ASSEMBLY__ */ |
| 91 | #endif /* __KERNEL__ */ | ||
| 83 | #endif /* _ASM_PTRACE_H */ | 92 | #endif /* _ASM_PTRACE_H */ |