ptrace.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:3k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000 by Ralf Baechle
- *
- * Machine dependent structs and defines to help the user use
- * the ptrace system call.
- */
- #ifndef _ASM_PTRACE_H
- #define _ASM_PTRACE_H
- #include <asm/isadep.h>
- /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
- #define FPR_BASE 32
- #define PC 64
- #define CAUSE 65
- #define BADVADDR 66
- #define MMHI 67
- #define MMLO 68
- #define FPC_CSR 69
- #define FPC_EIR 70
- #ifndef __ASSEMBLY__
- /*
- * This struct defines the way the registers are stored on the stack during a
- * system call/exception. As usual the registers k0/k1 aren't being saved.
- */
- struct pt_regs {
- /* Pad bytes for argument save space on the stack. */
- unsigned long pad0[6];
- /* Saved main processor registers. */
- unsigned long regs[32];
- /* Other saved registers. */
- unsigned long lo;
- unsigned long hi;
- /*
- * saved cp0 registers
- */
- unsigned long cp0_epc;
- unsigned long cp0_badvaddr;
- unsigned long cp0_status;
- unsigned long cp0_cause;
- };
- #define __str2(x) #x
- #define __str(x) __str2(x)
- #define save_static_function(symbol)
- __asm__ (
- ".globlt" #symbol "nt"
- ".alignt2nt"
- ".typet" #symbol ", @functionnt"
- ".entt" #symbol ", 0n"
- #symbol":nt"
- ".framet$29, 0, $31nt"
- "swt$16,"__str(PT_R16)"($29)ttt# save_static_functionnt"
- "swt$17,"__str(PT_R17)"($29)nt"
- "swt$18,"__str(PT_R18)"($29)nt"
- "swt$19,"__str(PT_R19)"($29)nt"
- "swt$20,"__str(PT_R20)"($29)nt"
- "swt$21,"__str(PT_R21)"($29)nt"
- "swt$22,"__str(PT_R22)"($29)nt"
- "swt$23,"__str(PT_R23)"($29)nt"
- "swt$30,"__str(PT_R30)"($29)nt"
- ".endt" #symbol "nt"
- ".sizet" #symbol",. - " #symbol)
- /* Used in declaration of save_static functions. */
- #define static_unused static __attribute__((unused))
- #endif /* !__ASSEMBLY__ */
- /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
- /* #define PTRACE_GETREGS 12 */
- /* #define PTRACE_SETREGS 13 */
- /* #define PTRACE_GETFPREGS 14 */
- /* #define PTRACE_SETFPREGS 15 */
- /* #define PTRACE_GETFPXREGS 18 */
- /* #define PTRACE_SETFPXREGS 19 */
- #define PTRACE_SETOPTIONS 21
- /* options set using PTRACE_SETOPTIONS */
- #define PTRACE_O_TRACESYSGOOD 0x00000001
- #ifdef __ASSEMBLY__
- #include <asm/offset.h>
- #endif
- #ifdef __KERNEL__
- #ifndef __ASSEMBLY__
- /*
- * Does the process account for user or for system time?
- */
- #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
- #define instruction_pointer(regs) ((regs)->cp0_epc)
- extern void show_regs(struct pt_regs *);
- #endif /* !__ASSEMBLY__ */
- #endif
- #endif /* _ASM_PTRACE_H */