[PATCH] ppc64: ptrace cleanups
- Remove the PPC_REG* defines - Wrap some more stuff with ifdef __KERNEL__ - Add missing PT_TRAP, PT_DAR, PT_DSISR defines - Add PTRACE_GETEVRREGS/PTRACE_SETEVRREGS, even though we dont use it on ppc64 we dont want to allocate them for something else. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Anton Blanchard
Paul Mackerras
parent
962bca7f38
commit
a0987224dc
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@ -25,56 +25,49 @@
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*/
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#ifndef __ASSEMBLY__
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#define PPC_REG unsigned long
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struct pt_regs {
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PPC_REG gpr[32];
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PPC_REG nip;
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PPC_REG msr;
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PPC_REG orig_gpr3; /* Used for restarting system calls */
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PPC_REG ctr;
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PPC_REG link;
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PPC_REG xer;
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PPC_REG ccr;
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PPC_REG softe; /* Soft enabled/disabled */
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PPC_REG trap; /* Reason for being here */
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PPC_REG dar; /* Fault registers */
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PPC_REG dsisr;
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PPC_REG result; /* Result of a system call */
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unsigned long gpr[32];
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unsigned long nip;
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unsigned long msr;
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unsigned long orig_gpr3; /* Used for restarting system calls */
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unsigned long ctr;
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unsigned long link;
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unsigned long xer;
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unsigned long ccr;
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unsigned long softe; /* Soft enabled/disabled */
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unsigned long trap; /* Reason for being here */
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unsigned long dar; /* Fault registers */
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unsigned long dsisr;
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unsigned long result; /* Result of a system call */
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};
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#define PPC_REG_32 unsigned int
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struct pt_regs32 {
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PPC_REG_32 gpr[32];
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PPC_REG_32 nip;
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PPC_REG_32 msr;
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PPC_REG_32 orig_gpr3; /* Used for restarting system calls */
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PPC_REG_32 ctr;
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PPC_REG_32 link;
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PPC_REG_32 xer;
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PPC_REG_32 ccr;
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PPC_REG_32 mq; /* 601 only (not used at present) */
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/* Used on APUS to hold IPL value. */
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PPC_REG_32 trap; /* Reason for being here */
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PPC_REG_32 dar; /* Fault registers */
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PPC_REG_32 dsisr;
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PPC_REG_32 result; /* Result of a system call */
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unsigned int gpr[32];
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unsigned int nip;
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unsigned int msr;
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unsigned int orig_gpr3; /* Used for restarting system calls */
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unsigned int ctr;
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unsigned int link;
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unsigned int xer;
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unsigned int ccr;
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unsigned int mq; /* 601 only (not used at present) */
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unsigned int trap; /* Reason for being here */
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unsigned int dar; /* Fault registers */
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unsigned int dsisr;
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unsigned int result; /* Result of a system call */
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};
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#ifdef __KERNEL__
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#define instruction_pointer(regs) ((regs)->nip)
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#ifdef CONFIG_SMP
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extern unsigned long profile_pc(struct pt_regs *regs);
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#else
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#define profile_pc(regs) instruction_pointer(regs)
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#endif
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#endif /* __ASSEMBLY__ */
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#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
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/* Size of dummy stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 128
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#define __SIGNAL_FRAMESIZE32 64
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#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
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#define force_successful_syscall_return() \
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@ -89,6 +82,16 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define TRAP(regs) ((regs)->trap & ~0xF)
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#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1)
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#endif /* __KERNEL__ */
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#endif /* __ASSEMBLY__ */
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#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
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/* Size of dummy stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 128
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#define __SIGNAL_FRAMESIZE32 64
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/*
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* Offsets used by 'ptrace' system call interface.
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*/
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@ -135,17 +138,21 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define PT_XER 37
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#define PT_CCR 38
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#define PT_SOFTE 39
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#define PT_TRAP 40
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#define PT_DAR 41
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#define PT_DSISR 42
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#define PT_RESULT 43
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#define PT_FPR0 48
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/* Kernel and userspace will both use this PT_FPSCR value. 32-bit apps will have
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* visibility to the asm-ppc/ptrace.h header instead of this one.
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/*
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* Kernel and userspace will both use this PT_FPSCR value. 32-bit apps will
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* have visibility to the asm-ppc/ptrace.h header instead of this one.
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*/
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#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
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#define PT_FPSCR (PT_FPR0 + 32) /* each FP reg occupies 1 slot in 64-bit space */
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#ifdef __KERNEL__
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#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */
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#define PT_FPSCR32 (PT_FPR0 + 2*32 + 1) /* each FP reg occupies 2 32-bit userspace slots */
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#endif
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#define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */
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@ -173,17 +180,27 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define PTRACE_GETVRREGS 18
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#define PTRACE_SETVRREGS 19
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/* Additional PTRACE requests implemented on PowerPC. */
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#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */
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#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */
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#define PPC_PTRACE_GETFPREGS 0x97 /* Get FPRs 0 - 31 */
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#define PPC_PTRACE_SETFPREGS 0x96 /* Set FPRs 0 - 31 */
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#define PPC_PTRACE_PEEKTEXT_3264 0x95 /* Read word at location ADDR on a 64-bit process from a 32-bit process. */
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#define PPC_PTRACE_PEEKDATA_3264 0x94 /* Read word at location ADDR on a 64-bit process from a 32-bit process. */
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#define PPC_PTRACE_POKETEXT_3264 0x93 /* Write word at location ADDR on a 64-bit process from a 32-bit process. */
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#define PPC_PTRACE_POKEDATA_3264 0x92 /* Write word at location ADDR on a 64-bit process from a 32-bit process. */
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#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. */
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#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. */
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/*
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* While we dont have 64bit book E processors, we need to reserve the
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* relevant ptrace calls for 32bit compatibility.
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*/
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#if 0
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#define PTRACE_GETEVRREGS 20
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#define PTRACE_SETEVRREGS 21
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#endif
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/* Additional PTRACE requests implemented on PowerPC. */
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#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */
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#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */
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#define PPC_PTRACE_GETFPREGS 0x97 /* Get FPRs 0 - 31 */
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#define PPC_PTRACE_SETFPREGS 0x96 /* Set FPRs 0 - 31 */
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/* Calls to trace a 64bit program from a 32bit program */
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#define PPC_PTRACE_PEEKTEXT_3264 0x95
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#define PPC_PTRACE_PEEKDATA_3264 0x94
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#define PPC_PTRACE_POKETEXT_3264 0x93
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#define PPC_PTRACE_POKEDATA_3264 0x92
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#define PPC_PTRACE_PEEKUSR_3264 0x91
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#define PPC_PTRACE_POKEUSR_3264 0x90
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#endif /* _PPC64_PTRACE_H */
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