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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-mips/] [ptrace.h] - Blame information for rev 1276

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1 1276 phoenix
/*
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 * This file is subject to the terms and conditions of the GNU General Public
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 * License.  See the file "COPYING" in the main directory of this archive
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 * for more details.
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 *
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 * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000 by Ralf Baechle
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 *
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 * Machine dependent structs and defines to help the user use
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 * the ptrace system call.
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 */
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#ifndef _ASM_PTRACE_H
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#define _ASM_PTRACE_H
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#include <asm/isadep.h>
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/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
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#define FPR_BASE        32
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#define PC              64
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#define CAUSE           65
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#define BADVADDR        66
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#define MMHI            67
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#define MMLO            68
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#define FPC_CSR         69
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#define FPC_EIR         70
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#ifndef __ASSEMBLY__
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/*
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 * This struct defines the way the registers are stored on the stack during a
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 * system call/exception. As usual the registers k0/k1 aren't being saved.
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 */
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struct pt_regs {
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        /* Pad bytes for argument save space on the stack. */
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        unsigned long pad0[6];
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        /* Saved main processor registers. */
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        unsigned long regs[32];
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        /* Saved special registers. */
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        unsigned long cp0_status;
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        unsigned long lo;
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        unsigned long hi;
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        unsigned long cp0_badvaddr;
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        unsigned long cp0_cause;
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        unsigned long cp0_epc;
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};
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#define __str2(x) #x
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#define __str(x) __str2(x)
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#define save_static_function(symbol)                                    \
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__asm__ (                                                               \
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        ".globl\t" #symbol "\n\t"                                       \
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        ".align\t2\n\t"                                                 \
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        ".type\t" #symbol ", @function\n\t"                             \
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        ".ent\t" #symbol ", 0\n"                                        \
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        #symbol":\n\t"                                                  \
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        ".frame\t$29, 0, $31\n\t"                                       \
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        "sw\t$16,"__str(PT_R16)"($29)\t\t\t# save_static_function\n\t"  \
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        "sw\t$17,"__str(PT_R17)"($29)\n\t"                              \
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        "sw\t$18,"__str(PT_R18)"($29)\n\t"                              \
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        "sw\t$19,"__str(PT_R19)"($29)\n\t"                              \
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        "sw\t$20,"__str(PT_R20)"($29)\n\t"                              \
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        "sw\t$21,"__str(PT_R21)"($29)\n\t"                              \
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        "sw\t$22,"__str(PT_R22)"($29)\n\t"                              \
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        "sw\t$23,"__str(PT_R23)"($29)\n\t"                              \
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        "sw\t$30,"__str(PT_R30)"($29)\n\t"                              \
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        ".end\t" #symbol "\n\t"                                         \
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        ".size\t" #symbol",. - " #symbol)
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/* Used in declaration of save_static functions.  */
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#define static_unused static __attribute__((unused))
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#endif /* !__ASSEMBLY__ */
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/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
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/* #define PTRACE_GETREGS               12 */
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/* #define PTRACE_SETREGS               13 */
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/* #define PTRACE_GETFPREGS             14 */
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/* #define PTRACE_SETFPREGS             15 */
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/* #define PTRACE_GETFPXREGS            18 */
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/* #define PTRACE_SETFPXREGS            19 */
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#define PTRACE_SETOPTIONS       21
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/* options set using PTRACE_SETOPTIONS */
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#define PTRACE_O_TRACESYSGOOD   0x00000001
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#ifdef __ASSEMBLY__
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#include <asm/offset.h>
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#endif
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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/*
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 * Does the process account for user or for system time?
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 */
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#define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
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#define instruction_pointer(regs) ((regs)->cp0_epc)
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extern void show_regs(struct pt_regs *);
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#endif /* !__ASSEMBLY__ */
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#endif
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#endif /* _ASM_PTRACE_H */

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