| #ifndef _ASMPPC64_PTRACE_H_ |
| #define _ASMPPC64_PTRACE_H_ |
| |
| #define KERNEL_REDZONE_SIZE 288 |
| #define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <asm/reg.h> |
| |
| struct pt_regs { |
| unsigned long gpr[32]; |
| unsigned long nip; |
| unsigned long msr; |
| unsigned long ctr; |
| unsigned long link; |
| unsigned long xer; |
| unsigned long ccr; |
| unsigned long trap; |
| unsigned long _pad; /* stack must be 16-byte aligned */ |
| }; |
| |
| static inline bool regs_is_prefix(volatile struct pt_regs *regs) |
| { |
| return regs->msr & SRR1_PREFIX; |
| } |
| |
| static inline void regs_advance_insn(struct pt_regs *regs) |
| { |
| if (regs_is_prefix(regs)) |
| regs->nip += 8; |
| else |
| regs->nip += 4; |
| } |
| |
| #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ |
| STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* _ASMPPC64_PTRACE_H_ */ |
