diff options
Diffstat (limited to 'include/asm-powerpc/ptrace.h')
| -rw-r--r-- | include/asm-powerpc/ptrace.h | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h deleted file mode 100644 index 734e0754fb9..00000000000 --- a/include/asm-powerpc/ptrace.h +++ /dev/null @@ -1,293 +0,0 @@ -#ifndef _ASM_POWERPC_PTRACE_H -#define _ASM_POWERPC_PTRACE_H - -/* - * Copyright (C) 2001 PPC64 Team, IBM Corp - * - * 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/powerpc/kernel/ptrace.c. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#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; -#ifdef __powerpc64__ - unsigned long softe; /* Soft enabled/disabled */ -#else - unsigned long mq; /* 601 only (not used at present) */ - /* 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 */ -}; - -#endif /* __ASSEMBLY__ */ - -#ifdef __KERNEL__ - -#ifdef __powerpc64__ - -#define __ARCH_WANT_COMPAT_SYS_PTRACE - -#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ -#define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ -#define STACK_FRAME_REGS_MARKER ASM_CONST(0x7265677368657265) -#define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ - STACK_FRAME_OVERHEAD + 288) -#define STACK_FRAME_MARKER 12 - -/* 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 */ -#define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ -#define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773) -#define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) -#define STACK_FRAME_MARKER 2 - -/* Size of stack frame allocated when calling signal handler. */ -#define __SIGNAL_FRAMESIZE 64 - -#endif /* __powerpc64__ */ - -#ifndef __ASSEMBLY__ - -#define instruction_pointer(regs) ((regs)->nip) -#define user_stack_pointer(regs) ((regs)->gpr[1]) -#define regs_return_value(regs) ((regs)->gpr[3]) - -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *regs); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif - -#ifdef __powerpc64__ -#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() \ - do { \ - set_thread_flag(TIF_NOERROR); \ - } while(0) - -struct task_struct; -extern unsigned long ptrace_get_reg(struct task_struct *task, int regno); -extern int ptrace_put_reg(struct task_struct *task, int regno, - unsigned long data); - -/* - * 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) -#ifndef __powerpc64__ -#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) != 0) -#define IS_MCHECK_EXC(regs) (((regs)->trap & 4) != 0) -#define IS_DEBUG_EXC(regs) (((regs)->trap & 8) != 0) -#endif /* ! __powerpc64__ */ -#define TRAP(regs) ((regs)->trap & ~0xF) -#ifdef __powerpc64__ -#define CHECK_FULL_REGS(regs) BUG_ON(regs->trap & 1) -#else -#define CHECK_FULL_REGS(regs) \ -do { \ - if ((regs)->trap & 1) \ - printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \ -} while (0) -#endif /* __powerpc64__ */ - -/* - * These are defined as per linux/ptrace.h, which see. - */ -#define arch_has_single_step() (1) -extern void user_enable_single_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); - -#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 -#define PT_ORIG_R3 34 -#define PT_CTR 35 -#define PT_LNK 36 -#define PT_XER 37 -#define PT_CCR 38 -#ifndef __powerpc64__ -#define PT_MQ 39 -#else -#define PT_SOFTE 39 -#endif -#define PT_TRAP 40 -#define PT_DAR 41 -#define PT_DSISR 42 -#define PT_RESULT 43 -#define PT_REGS_COUNT 44 - -#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__ */ - -#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 */ -#endif - -#define PT_VR0 82 /* each Vector reg occupies 2 slots in 64-bit */ -#define PT_VSCR (PT_VR0 + 32*2 + 1) -#define PT_VRSAVE (PT_VR0 + 33*2) - -#ifdef __KERNEL__ -#define PT_VR0_32 164 /* each Vector reg occupies 4 slots in 32-bit */ -#define PT_VSCR_32 (PT_VR0 + 32*4 + 3) -#define PT_VRSAVE_32 (PT_VR0 + 33*4) -#endif - -/* - * Only store first 32 VSRs here. The second 32 VSRs in VR0-31 - */ -#define PT_VSR0 150 /* each VSR reg occupies 2 slots in 64-bit */ -#define PT_VSR31 (PT_VSR0 + 2*31) -#ifdef __KERNEL__ -#define PT_VSR0_32 300 /* each VSR reg occupies 4 slots in 32-bit */ -#endif -#endif /* __powerpc64__ */ - -/* - * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go. - * The transfer totals 34 quadword. Quadwords 0-31 contain the - * corresponding vector registers. Quadword 32 contains the vscr as the - * last word (offset 12) within that quadword. Quadword 33 contains the - * vrsave as the first word (offset 0) within the quadword. - * - * This definition of the VMX state is compatible with the current PPC32 - * ptrace interface. This allows signal handling and ptrace to use the same - * structures. This also simplifies the implementation of a bi-arch - * (combined (32- and 64-bit) gdb. - */ -#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 the first 32 128bit VSX registers */ -#define PTRACE_GETVSRREGS 27 -#define PTRACE_SETVSRREGS 28 - -/* - * 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 - -/* (new) PTRACE requests using the same numbers as x86 and the same - * argument ordering. Additionally, they support more registers too - */ -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_GETREGS64 22 -#define PTRACE_SETREGS64 23 - -/* (old) PTRACE requests with inverted arguments */ -#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 /* _ASM_POWERPC_PTRACE_H */ |