diff options
| -rw-r--r-- | include/asm-ppc64/ptrace.h | 121 |
1 files changed, 69 insertions, 52 deletions
diff --git a/include/asm-ppc64/ptrace.h b/include/asm-ppc64/ptrace.h index c96aad28fc08..a736000d7cf8 100644 --- a/include/asm-ppc64/ptrace.h +++ b/include/asm-ppc64/ptrace.h @@ -25,56 +25,49 @@ */ #ifndef __ASSEMBLY__ -#define PPC_REG unsigned long + struct pt_regs { - PPC_REG gpr[32]; - PPC_REG nip; - PPC_REG msr; - PPC_REG orig_gpr3; /* Used for restarting system calls */ - PPC_REG ctr; - PPC_REG link; - PPC_REG xer; - PPC_REG ccr; - PPC_REG softe; /* Soft enabled/disabled */ - PPC_REG trap; /* Reason for being here */ - PPC_REG dar; /* Fault registers */ - PPC_REG dsisr; - PPC_REG result; /* Result of a system call */ + unsigned long gpr[32]; + unsigned long nip; + unsigned long msr; + unsigned long orig_gpr3; /* Used for restarting system calls */ + unsigned long ctr; + unsigned long link; + unsigned long xer; + unsigned long ccr; + unsigned long softe; /* Soft enabled/disabled */ + unsigned long trap; /* Reason for being here */ + unsigned long dar; /* Fault registers */ + unsigned long dsisr; + unsigned long result; /* Result of a system call */ }; -#define PPC_REG_32 unsigned int struct pt_regs32 { - PPC_REG_32 gpr[32]; - PPC_REG_32 nip; - PPC_REG_32 msr; - PPC_REG_32 orig_gpr3; /* Used for restarting system calls */ - PPC_REG_32 ctr; - PPC_REG_32 link; - PPC_REG_32 xer; - PPC_REG_32 ccr; - PPC_REG_32 mq; /* 601 only (not used at present) */ - /* Used on APUS to hold IPL value. */ - PPC_REG_32 trap; /* Reason for being here */ - PPC_REG_32 dar; /* Fault registers */ - PPC_REG_32 dsisr; - PPC_REG_32 result; /* Result of a system call */ + unsigned int gpr[32]; + unsigned int nip; + unsigned int msr; + unsigned int orig_gpr3; /* Used for restarting system calls */ + unsigned int ctr; + unsigned int link; + unsigned int xer; + unsigned int ccr; + unsigned int mq; /* 601 only (not used at present) */ + unsigned int trap; /* Reason for being here */ + unsigned int dar; /* Fault registers */ + unsigned int dsisr; + unsigned int result; /* Result of a system call */ }; +#ifdef __KERNEL__ + #define instruction_pointer(regs) ((regs)->nip) + #ifdef CONFIG_SMP extern unsigned long profile_pc(struct pt_regs *regs); #else #define profile_pc(regs) instruction_pointer(regs) #endif -#endif /* __ASSEMBLY__ */ - -#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ - -/* Size of dummy stack frame allocated when calling signal handler. */ -#define __SIGNAL_FRAMESIZE 128 -#define __SIGNAL_FRAMESIZE32 64 - #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #define force_successful_syscall_return() \ @@ -89,6 +82,16 @@ extern unsigned long profile_pc(struct pt_regs *regs); #define TRAP(regs) ((regs)->trap & ~0xF) #define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1) +#endif /* __KERNEL__ */ + +#endif /* __ASSEMBLY__ */ + +#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ + +/* Size of dummy stack frame allocated when calling signal handler. */ +#define __SIGNAL_FRAMESIZE 128 +#define __SIGNAL_FRAMESIZE32 64 + /* * Offsets used by 'ptrace' system call interface. */ @@ -135,17 +138,21 @@ extern unsigned long profile_pc(struct pt_regs *regs); #define PT_XER 37 #define PT_CCR 38 #define PT_SOFTE 39 +#define PT_TRAP 40 +#define PT_DAR 41 +#define PT_DSISR 42 #define PT_RESULT 43 #define PT_FPR0 48 -/* Kernel and userspace will both use this PT_FPSCR value. 32-bit apps will have - * visibility to the asm-ppc/ptrace.h header instead of this one. +/* + * Kernel and userspace will both use this PT_FPSCR value. 32-bit apps will + * have visibility to the asm-ppc/ptrace.h header instead of this one. */ -#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */ +#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */ #ifdef __KERNEL__ -#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */ +#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */ #endif #define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */ @@ -173,17 +180,27 @@ extern unsigned long profile_pc(struct pt_regs *regs); #define PTRACE_GETVRREGS 18 #define PTRACE_SETVRREGS 19 -/* Additional PTRACE requests implemented on PowerPC. */ -#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */ -#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */ -#define PPC_PTRACE_GETFPREGS 0x97 /* Get FPRs 0 - 31 */ -#define PPC_PTRACE_SETFPREGS 0x96 /* Set FPRs 0 - 31 */ -#define PPC_PTRACE_PEEKTEXT_3264 0x95 /* Read word at location ADDR on a 64-bit process from a 32-bit process. */ -#define PPC_PTRACE_PEEKDATA_3264 0x94 /* Read word at location ADDR on a 64-bit process from a 32-bit process. */ -#define PPC_PTRACE_POKETEXT_3264 0x93 /* Write word at location ADDR on a 64-bit process from a 32-bit process. */ -#define PPC_PTRACE_POKEDATA_3264 0x92 /* Write word at location ADDR on a 64-bit process from a 32-bit process. */ -#define PPC_PTRACE_PEEKUSR_3264 0x91 /* Read a register (specified by ADDR) out of the "user area" on a 64-bit process from a 32-bit process. */ -#define PPC_PTRACE_POKEUSR_3264 0x90 /* Write DATA into location ADDR within the "user area" on a 64-bit process from a 32-bit process. */ +/* + * While we dont have 64bit book E processors, we need to reserve the + * relevant ptrace calls for 32bit compatibility. + */ +#if 0 +#define PTRACE_GETEVRREGS 20 +#define PTRACE_SETEVRREGS 21 +#endif +/* Additional PTRACE requests implemented on PowerPC. */ +#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */ +#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */ +#define PPC_PTRACE_GETFPREGS 0x97 /* Get FPRs 0 - 31 */ +#define PPC_PTRACE_SETFPREGS 0x96 /* Set FPRs 0 - 31 */ + +/* Calls to trace a 64bit program from a 32bit program */ +#define PPC_PTRACE_PEEKTEXT_3264 0x95 +#define PPC_PTRACE_PEEKDATA_3264 0x94 +#define PPC_PTRACE_POKETEXT_3264 0x93 +#define PPC_PTRACE_POKEDATA_3264 0x92 +#define PPC_PTRACE_PEEKUSR_3264 0x91 +#define PPC_PTRACE_POKEUSR_3264 0x90 #endif /* _PPC64_PTRACE_H */ |