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Commit da80d460 authored by Stephen Rothwell's avatar Stephen Rothwell
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powerpc: merge ptrace.h 

Move struct ptregs32 into asm-ppc64/ppc32.h
Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
parent c5a1ebd2
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Showing with 105 additions and 206 deletions
include/asm-ppc64/ptrace.h → include/asm-powerpc/ptrace.h
View file @ da80d460
#ifndef _PPC64_PTRACE_H #ifndef _ASM_POWERPC_PTRACE_H
#define _PPC64_PTRACE_H #define _ASM_POWERPC_PTRACE_H
/* /*
* Copyright (C) 2001 PPC64 Team, IBM Corp * Copyright (C) 2001 PPC64 Team, IBM Corp
...@@ -16,7 +16,7 @@ ...@@ -16,7 +16,7 @@
* that the overall structure is a multiple of 16 bytes in length. * that the overall structure is a multiple of 16 bytes in length.
* *
* Note that the offsets of the fields in this struct correspond with * Note that the offsets of the fields in this struct correspond with
* the PT_* values below. This simplifies arch/ppc64/kernel/ptrace.c. * the PT_* values below. This simplifies arch/powerpc/kernel/ptrace.c.
* *
* This program is free software; you can redistribute it and/or * This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License * modify it under the terms of the GNU General Public License
...@@ -30,70 +30,96 @@ struct pt_regs { ...@@ -30,70 +30,96 @@ struct pt_regs {
unsigned long gpr[32]; unsigned long gpr[32];
unsigned long nip; unsigned long nip;
unsigned long msr; unsigned long msr;
unsigned long orig_gpr3; /* Used for restarting system calls */ unsigned long orig_gpr3; /* Used for restarting system calls */
unsigned long ctr; unsigned long ctr;
unsigned long link; unsigned long link;
unsigned long xer; unsigned long xer;
unsigned long ccr; unsigned long ccr;
unsigned long softe; /* Soft enabled/disabled */ #ifdef __powerpc64__
unsigned long trap; /* Reason for being here */ unsigned long softe; /* Soft enabled/disabled */
unsigned long dar; /* Fault registers */ #else
unsigned long dsisr; unsigned long mq; /* 601 only (not used at present) */
unsigned long result; /* Result of a system call */ /* Used on APUS to hold IPL value. */
#endif
unsigned long trap; /* Reason for being here */
/* N.B. for critical exceptions on 4xx, the dar and dsisr
fields are overloaded to hold srr0 and srr1. */
unsigned long dar; /* Fault registers */
unsigned long dsisr; /* on 4xx/Book-E used for ESR */
unsigned long result; /* Result of a system call */
}; };
struct pt_regs32 { #endif /* __ASSEMBLY__ */
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__ #ifdef __KERNEL__
#define instruction_pointer(regs) ((regs)->nip) #ifdef __powerpc64__
#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
#else /* __powerpc64__ */
#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
/* Size of stack frame allocated when calling signal handler. */
#define __SIGNAL_FRAMESIZE 64
#endif /* __powerpc64__ */
#ifndef __ASSEMBLY__
#define instruction_pointer(regs) ((regs)->nip)
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
extern unsigned long profile_pc(struct pt_regs *regs); extern unsigned long profile_pc(struct pt_regs *regs);
#else #else
#define profile_pc(regs) instruction_pointer(regs) #define profile_pc(regs) instruction_pointer(regs)
#endif #endif
#ifdef __powerpc64__
#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1) #define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
#else
#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
#endif
#define force_successful_syscall_return() \ #define force_successful_syscall_return() \
(current_thread_info()->syscall_noerror = 1) do { \
current_thread_info()->syscall_noerror = 1; \
} while(0)
/* /*
* We use the least-significant bit of the trap field to indicate * We use the least-significant bit of the trap field to indicate
* whether we have saved the full set of registers, or only a * whether we have saved the full set of registers, or only a
* partial set. A 1 there means the partial set. * partial set. A 1 there means the partial set.
* On 4xx we use the next bit to indicate whether the exception
* is a critical exception (1 means it is).
*/ */
#define FULL_REGS(regs) (((regs)->trap & 1) == 0) #define FULL_REGS(regs) (((regs)->trap & 1) == 0)
#ifndef __powerpc64__
#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
#endif /* ! __powerpc64__ */
#define TRAP(regs) ((regs)->trap & ~0xF) #define TRAP(regs) ((regs)->trap & ~0xF)
#ifdef __powerpc64__
#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1) #define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1)
#else
#endif /* __KERNEL__ */ #define CHECK_FULL_REGS(regs) \
do { \
if ((regs)->trap & 1) \
printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
} while (0)
#endif /* __powerpc64__ */
#endif /* __ASSEMBLY__ */ #endif /* __ASSEMBLY__ */
#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ #endif /* __KERNEL__ */
/* 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. * Offsets used by 'ptrace' system call interface.
* These can't be changed without breaking binary compatibility
* with MkLinux, etc.
*/ */
#define PT_R0 0 #define PT_R0 0
#define PT_R1 1 #define PT_R1 1
...@@ -137,18 +163,25 @@ extern unsigned long profile_pc(struct pt_regs *regs); ...@@ -137,18 +163,25 @@ extern unsigned long profile_pc(struct pt_regs *regs);
#define PT_LNK 36 #define PT_LNK 36
#define PT_XER 37 #define PT_XER 37
#define PT_CCR 38 #define PT_CCR 38
#ifndef __powerpc64__
#define PT_MQ 39
#else
#define PT_SOFTE 39 #define PT_SOFTE 39
#define PT_TRAP 40 #define PT_TRAP 40
#define PT_DAR 41 #define PT_DAR 41
#define PT_DSISR 42 #define PT_DSISR 42
#define PT_RESULT 43 #define PT_RESULT 43
#endif
#define PT_FPR0 48 #define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
#ifndef __powerpc64__
#define PT_FPR31 (PT_FPR0 + 2*31)
#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
#else /* __powerpc64__ */
/*
* 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__ #ifdef __KERNEL__
...@@ -165,29 +198,29 @@ extern unsigned long profile_pc(struct pt_regs *regs); ...@@ -165,29 +198,29 @@ extern unsigned long profile_pc(struct pt_regs *regs);
#define PT_VRSAVE_32 (PT_VR0 + 33*4) #define PT_VRSAVE_32 (PT_VR0 + 33*4)
#endif #endif
#endif /* __powerpc64__ */
/* /*
* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go. * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go.
* The transfer totals 34 quadword. Quadwords 0-31 contain the * The transfer totals 34 quadword. Quadwords 0-31 contain the
* corresponding vector registers. Quadword 32 contains the vscr as the * corresponding vector registers. Quadword 32 contains the vscr as the
* last word (offset 12) within that quadword. Quadword 33 contains the * last word (offset 12) within that quadword. Quadword 33 contains the
* vrsave as the first word (offset 0) within the quadword. * vrsave as the first word (offset 0) within the quadword.
* *
* This definition of the VMX state is compatible with the current PPC32 * This definition of the VMX state is compatible with the current PPC32
* ptrace interface. This allows signal handling and ptrace to use the same * ptrace interface. This allows signal handling and ptrace to use the same
* structures. This also simplifies the implementation of a bi-arch * structures. This also simplifies the implementation of a bi-arch
* (combined (32- and 64-bit) gdb. * (combined (32- and 64-bit) gdb.
*/ */
#define PTRACE_GETVRREGS 18 #define PTRACE_GETVRREGS 18
#define PTRACE_SETVRREGS 19 #define PTRACE_SETVRREGS 19
/* #ifndef __powerpc64__
* While we dont have 64bit book E processors, we need to reserve the /* Get/set all the upper 32-bits of the SPE registers, accumulator, and
* relevant ptrace calls for 32bit compatibility. * spefscr, in one go */
*/ #define PTRACE_GETEVRREGS 20
#if 0 #define PTRACE_SETEVRREGS 21
#define PTRACE_GETEVRREGS 20 #endif /* __powerpc64__ */
#define PTRACE_SETEVRREGS 21
#endif
/* /*
* Get or set a debug register. The first 16 are DABR registers and the * Get or set a debug register. The first 16 are DABR registers and the
...@@ -196,6 +229,7 @@ extern unsigned long profile_pc(struct pt_regs *regs); ...@@ -196,6 +229,7 @@ extern unsigned long profile_pc(struct pt_regs *regs);
#define PTRACE_GET_DEBUGREG 25 #define PTRACE_GET_DEBUGREG 25
#define PTRACE_SET_DEBUGREG 26 #define PTRACE_SET_DEBUGREG 26
#ifdef __powerpc64__
/* Additional PTRACE requests implemented on PowerPC. */ /* Additional PTRACE requests implemented on PowerPC. */
#define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */ #define PPC_PTRACE_GETREGS 0x99 /* Get GPRs 0 - 31 */
#define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */ #define PPC_PTRACE_SETREGS 0x98 /* Set GPRs 0 - 31 */
...@@ -209,5 +243,6 @@ extern unsigned long profile_pc(struct pt_regs *regs); ...@@ -209,5 +243,6 @@ extern unsigned long profile_pc(struct pt_regs *regs);
#define PPC_PTRACE_POKEDATA_3264 0x92 #define PPC_PTRACE_POKEDATA_3264 0x92
#define PPC_PTRACE_PEEKUSR_3264 0x91 #define PPC_PTRACE_PEEKUSR_3264 0x91
#define PPC_PTRACE_POKEUSR_3264 0x90 #define PPC_PTRACE_POKEUSR_3264 0x90
#endif /* __powerpc64__ */
#endif /* _PPC64_PTRACE_H */ #endif /* _ASM_POWERPC_PTRACE_H */
include/asm-ppc/ptrace.h deleted 100644 → 0
View file @ c5a1ebd2
#ifndef _PPC_PTRACE_H
#define _PPC_PTRACE_H
/*
* This struct defines the way the registers are stored on the
* kernel stack during a system call or other kernel entry.
*
* this should only contain volatile regs
* since we can keep non-volatile in the thread_struct
* should set this up when only volatiles are saved
* by intr code.
*
* Since this is going on the stack, *CARE MUST BE TAKEN* to insure
* that the overall structure is a multiple of 16 bytes in length.
*
* Note that the offsets of the fields in this struct correspond with
* the PT_* values below. This simplifies arch/ppc/kernel/ptrace.c.
*/
#ifndef __ASSEMBLY__
struct pt_regs {
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 mq; /* 601 only (not used at present) */
/* Used on APUS to hold IPL value. */
unsigned long trap; /* Reason for being here */
/* N.B. for critical exceptions on 4xx, the dar and dsisr
fields are overloaded to hold srr0 and srr1. */
unsigned long dar; /* Fault registers */
unsigned long dsisr; /* on 4xx/Book-E used for ESR */
unsigned long result; /* Result of a system call */
};
#endif /* __ASSEMBLY__ */
#ifdef __KERNEL__
#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
/* Size of stack frame allocated when calling signal handler. */
#define __SIGNAL_FRAMESIZE 64
#ifndef __ASSEMBLY__
#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
#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
#define force_successful_syscall_return() \
do { \
current_thread_info()->syscall_noerror = 1; \
} while(0)
/*
* We use the least-significant bit of the trap field to indicate
* whether we have saved the full set of registers, or only a
* partial set. A 1 there means the partial set.
* On 4xx we use the next bit to indicate whether the exception
* is a critical exception (1 means it is).
*/
#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) == 0)
#define TRAP(regs) ((regs)->trap & ~0xF)
#define CHECK_FULL_REGS(regs) \
do { \
if ((regs)->trap & 1) \
printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
} while (0)
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
/*
* Offsets used by 'ptrace' system call interface.
* These can't be changed without breaking binary compatibility
* with MkLinux, etc.
*/
#define PT_R0 0
#define PT_R1 1
#define PT_R2 2
#define PT_R3 3
#define PT_R4 4
#define PT_R5 5
#define PT_R6 6
#define PT_R7 7
#define PT_R8 8
#define PT_R9 9
#define PT_R10 10
#define PT_R11 11
#define PT_R12 12
#define PT_R13 13
#define PT_R14 14
#define PT_R15 15
#define PT_R16 16
#define PT_R17 17
#define PT_R18 18
#define PT_R19 19
#define PT_R20 20
#define PT_R21 21
#define PT_R22 22
#define PT_R23 23
#define PT_R24 24
#define PT_R25 25
#define PT_R26 26
#define PT_R27 27
#define PT_R28 28
#define PT_R29 29
#define PT_R30 30
#define PT_R31 31
#define PT_NIP 32
#define PT_MSR 33
#ifdef __KERNEL__
#define PT_ORIG_R3 34
#endif
#define PT_CTR 35
#define PT_LNK 36
#define PT_XER 37
#define PT_CCR 38
#define PT_MQ 39
#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
#define PT_FPR31 (PT_FPR0 + 2*31)
#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
/* Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go */
#define PTRACE_GETVRREGS 18
#define PTRACE_SETVRREGS 19
/* Get/set all the upper 32-bits of the SPE registers, accumulator, and
* spefscr, in one go */
#define PTRACE_GETEVRREGS 20
#define PTRACE_SETEVRREGS 21
/*
* Get or set a debug register. The first 16 are DABR registers and the
* second 16 are IABR registers.
*/
#define PTRACE_GET_DEBUGREG 25
#define PTRACE_SET_DEBUGREG 26
#endif
include/asm-ppc64/ppc32.h
View file @ da80d460
...@@ -91,6 +91,22 @@ typedef struct sigaltstack_32 { ...@@ -91,6 +91,22 @@ typedef struct sigaltstack_32 {
compat_size_t ss_size; compat_size_t ss_size;
} stack_32_t; } stack_32_t;
struct pt_regs32 {
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 */
};
struct sigcontext32 { struct sigcontext32 {
unsigned int _unused[4]; unsigned int _unused[4];
int signal; int signal;
......
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