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powerpc: merge ptrace.h
Move struct ptregs32 into asm-ppc64/ppc32.h Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
This commit is contained in:
Stephen Rothwell
parent
c5a1ebd245
commit
da80d460bf
@ -1,5 +1,5 @@
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#ifndef _PPC64_PTRACE_H
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#define _PPC64_PTRACE_H
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#ifndef _ASM_POWERPC_PTRACE_H
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#define _ASM_POWERPC_PTRACE_H
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/*
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* Copyright (C) 2001 PPC64 Team, IBM Corp
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@ -16,7 +16,7 @@
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* that the overall structure is a multiple of 16 bytes in length.
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*
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* Note that the offsets of the fields in this struct correspond with
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* the PT_* values below. This simplifies arch/ppc64/kernel/ptrace.c.
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* the PT_* values below. This simplifies arch/powerpc/kernel/ptrace.c.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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@ -30,61 +30,30 @@ struct pt_regs {
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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 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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#ifdef __powerpc64__
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unsigned long softe; /* Soft enabled/disabled */
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#else
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unsigned long mq; /* 601 only (not used at present) */
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/* Used on APUS to hold IPL value. */
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#endif
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unsigned long trap; /* Reason for being here */
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/* N.B. for critical exceptions on 4xx, the dar and dsisr
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fields are overloaded to hold srr0 and srr1. */
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unsigned long dar; /* Fault registers */
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unsigned long dsisr; /* on 4xx/Book-E used for ESR */
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unsigned long result; /* Result of a system call */
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};
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struct pt_regs32 {
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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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#endif /* __ASSEMBLY__ */
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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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#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
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#define force_successful_syscall_return() \
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(current_thread_info()->syscall_noerror = 1)
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/*
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* We use the least-significant bit of the trap field to indicate
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* whether we have saved the full set of registers, or only a
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* partial set. A 1 there means the partial set.
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*/
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#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
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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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#ifdef __powerpc64__
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#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
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@ -92,8 +61,65 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define __SIGNAL_FRAMESIZE 128
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#define __SIGNAL_FRAMESIZE32 64
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#else /* __powerpc64__ */
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#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
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/* Size of stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 64
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#endif /* __powerpc64__ */
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#ifndef __ASSEMBLY__
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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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#ifdef __powerpc64__
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#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
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#else
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#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
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#endif
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#define force_successful_syscall_return() \
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do { \
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current_thread_info()->syscall_noerror = 1; \
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} while(0)
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/*
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* We use the least-significant bit of the trap field to indicate
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* whether we have saved the full set of registers, or only a
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* partial set. A 1 there means the partial set.
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* On 4xx we use the next bit to indicate whether the exception
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* is a critical exception (1 means it is).
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*/
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#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
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#ifndef __powerpc64__
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#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
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#endif /* ! __powerpc64__ */
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#define TRAP(regs) ((regs)->trap & ~0xF)
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#ifdef __powerpc64__
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#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1)
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#else
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#define CHECK_FULL_REGS(regs) \
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do { \
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if ((regs)->trap & 1) \
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printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
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} while (0)
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#endif /* __powerpc64__ */
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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/*
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* Offsets used by 'ptrace' system call interface.
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* These can't be changed without breaking binary compatibility
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* with MkLinux, etc.
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*/
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#define PT_R0 0
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#define PT_R1 1
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@ -137,18 +163,25 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define PT_LNK 36
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#define PT_XER 37
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#define PT_CCR 38
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#ifndef __powerpc64__
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#define PT_MQ 39
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#else
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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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#endif
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#define PT_FPR0 48
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#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
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#ifndef __powerpc64__
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#define PT_FPR31 (PT_FPR0 + 2*31)
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#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
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#else /* __powerpc64__ */
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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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#ifdef __KERNEL__
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@ -165,29 +198,29 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define PT_VRSAVE_32 (PT_VR0 + 33*4)
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#endif
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#endif /* __powerpc64__ */
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/*
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* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
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* The transfer totals 34 quadword. Quadwords 0-31 contain the
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* corresponding vector registers. Quadword 32 contains the vscr as the
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* last word (offset 12) within that quadword. Quadword 33 contains the
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* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
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* The transfer totals 34 quadword. Quadwords 0-31 contain the
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* corresponding vector registers. Quadword 32 contains the vscr as the
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* last word (offset 12) within that quadword. Quadword 33 contains the
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* vrsave as the first word (offset 0) within the quadword.
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*
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* This definition of the VMX state is compatible with the current PPC32
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* ptrace interface. This allows signal handling and ptrace to use the same
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* structures. This also simplifies the implementation of a bi-arch
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* This definition of the VMX state is compatible with the current PPC32
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* ptrace interface. This allows signal handling and ptrace to use the same
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* structures. This also simplifies the implementation of a bi-arch
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* (combined (32- and 64-bit) gdb.
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*/
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#define PTRACE_GETVRREGS 18
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#define PTRACE_SETVRREGS 19
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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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#ifndef __powerpc64__
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/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
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* spefscr, in one go */
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#define PTRACE_GETEVRREGS 20
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#define PTRACE_SETEVRREGS 21
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#endif /* __powerpc64__ */
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/*
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* Get or set a debug register. The first 16 are DABR registers and the
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@ -196,6 +229,7 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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#define PTRACE_GET_DEBUGREG 25
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#define PTRACE_SET_DEBUGREG 26
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#ifdef __powerpc64__
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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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@ -209,5 +243,6 @@ extern unsigned long profile_pc(struct pt_regs *regs);
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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 /* __powerpc64__ */
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#endif /* _PPC64_PTRACE_H */
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#endif /* _ASM_POWERPC_PTRACE_H */
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@ -1,152 +0,0 @@
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#ifndef _PPC_PTRACE_H
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#define _PPC_PTRACE_H
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/*
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* This struct defines the way the registers are stored on the
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* kernel stack during a system call or other kernel entry.
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*
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* this should only contain volatile regs
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* since we can keep non-volatile in the thread_struct
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* should set this up when only volatiles are saved
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* by intr code.
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*
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* Since this is going on the stack, *CARE MUST BE TAKEN* to insure
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* that the overall structure is a multiple of 16 bytes in length.
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*
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* Note that the offsets of the fields in this struct correspond with
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* the PT_* values below. This simplifies arch/ppc/kernel/ptrace.c.
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*/
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#ifndef __ASSEMBLY__
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struct pt_regs {
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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 mq; /* 601 only (not used at present) */
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/* Used on APUS to hold IPL value. */
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unsigned long trap; /* Reason for being here */
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/* N.B. for critical exceptions on 4xx, the dar and dsisr
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fields are overloaded to hold srr0 and srr1. */
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unsigned long dar; /* Fault registers */
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unsigned long dsisr; /* on 4xx/Book-E used for ESR */
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unsigned long result; /* Result of a system call */
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};
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#endif /* __ASSEMBLY__ */
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#ifdef __KERNEL__
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#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
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/* Size of stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 64
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#ifndef __ASSEMBLY__
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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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#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
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#define force_successful_syscall_return() \
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do { \
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current_thread_info()->syscall_noerror = 1; \
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} while(0)
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/*
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* We use the least-significant bit of the trap field to indicate
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* whether we have saved the full set of registers, or only a
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* partial set. A 1 there means the partial set.
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* On 4xx we use the next bit to indicate whether the exception
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* is a critical exception (1 means it is).
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*/
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#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
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#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
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#define TRAP(regs) ((regs)->trap & ~0xF)
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#define CHECK_FULL_REGS(regs) \
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do { \
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if ((regs)->trap & 1) \
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printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
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} while (0)
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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/*
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* Offsets used by 'ptrace' system call interface.
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* These can't be changed without breaking binary compatibility
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* with MkLinux, etc.
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*/
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#define PT_R0 0
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#define PT_R1 1
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#define PT_R2 2
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#define PT_R3 3
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#define PT_R4 4
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#define PT_R5 5
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#define PT_R6 6
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#define PT_R7 7
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#define PT_R8 8
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#define PT_R9 9
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#define PT_R10 10
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#define PT_R11 11
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#define PT_R12 12
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#define PT_R13 13
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#define PT_R14 14
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#define PT_R15 15
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#define PT_R16 16
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#define PT_R17 17
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#define PT_R18 18
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#define PT_R19 19
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#define PT_R20 20
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#define PT_R21 21
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#define PT_R22 22
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#define PT_R23 23
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#define PT_R24 24
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#define PT_R25 25
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#define PT_R26 26
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#define PT_R27 27
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#define PT_R28 28
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#define PT_R29 29
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#define PT_R30 30
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#define PT_R31 31
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#define PT_NIP 32
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#define PT_MSR 33
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#ifdef __KERNEL__
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#define PT_ORIG_R3 34
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#endif
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#define PT_CTR 35
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#define PT_LNK 36
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#define PT_XER 37
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#define PT_CCR 38
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#define PT_MQ 39
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#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
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#define PT_FPR31 (PT_FPR0 + 2*31)
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#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
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/* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go */
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#define PTRACE_GETVRREGS 18
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#define PTRACE_SETVRREGS 19
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/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
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* spefscr, in one go */
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#define PTRACE_GETEVRREGS 20
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#define PTRACE_SETEVRREGS 21
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/*
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* Get or set a debug register. The first 16 are DABR registers and the
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* second 16 are IABR registers.
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*/
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#define PTRACE_GET_DEBUGREG 25
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#define PTRACE_SET_DEBUGREG 26
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#endif
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@ -91,6 +91,22 @@ typedef struct sigaltstack_32 {
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compat_size_t ss_size;
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} stack_32_t;
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struct pt_regs32 {
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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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struct sigcontext32 {
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unsigned int _unused[4];
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int signal;
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