linux 内核源代码

				/*				 * IA-32 ELF core dump support.				 *				 * Copyright (C) 2003 Arun Sharma 				 *				 * Derived from the x86_64 version				 */				#ifndef _ELFCORE32_H_				#define _ELFCORE32_H_								#include 				#include 								#define USE_ELF_CORE_DUMP 1								/* Override elfcore.h */				#define _LINUX_ELFCORE_H 1				typedef unsigned int elf_greg_t;								#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))				typedef elf_greg_t elf_gregset_t[ELF_NGREG];								typedef struct ia32_user_i387_struct elf_fpregset_t;				typedef struct ia32_user_fxsr_struct elf_fpxregset_t;								struct elf_siginfo				{					int	si_signo;			/* signal number */					int	si_code;			/* extra code */					int	si_errno;			/* errno */				};								#define jiffies_to_timeval(a,b) do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; }while(0)								struct elf_prstatus				{					struct elf_siginfo pr_info;	/* Info associated with signal */					short	pr_cursig;		/* Current signal */					unsigned int pr_sigpend;	/* Set of pending signals */					unsigned int pr_sighold;	/* Set of held signals */					pid_t	pr_pid;					pid_t	pr_ppid;					pid_t	pr_pgrp;					pid_t	pr_sid;					struct compat_timeval pr_utime;	/* User time */					struct compat_timeval pr_stime;	/* System time */					struct compat_timeval pr_cutime;	/* Cumulative user time */					struct compat_timeval pr_cstime;	/* Cumulative system time */					elf_gregset_t pr_reg;	/* GP registers */					int pr_fpvalid;		/* True if math co-processor being used.  */				};								#define ELF_PRARGSZ	(80)	/* Number of chars for args */								struct elf_prpsinfo				{					char	pr_state;	/* numeric process state */					char	pr_sname;	/* char for pr_state */					char	pr_zomb;	/* zombie */					char	pr_nice;	/* nice val */					unsigned int pr_flag;	/* flags */					__u16	pr_uid;					__u16	pr_gid;					pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;					/* Lots missing */					char	pr_fname[16];	/* filename of executable */					char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */				};								#define ELF_CORE_COPY_REGS(pr_reg, regs)       		\					pr_reg[0] = regs->r11;				\					pr_reg[1] = regs->r9;				\					pr_reg[2] = regs->r10;				\					pr_reg[3] = regs->r14;				\					pr_reg[4] = regs->r15;				\					pr_reg[5] = regs->r13;				\					pr_reg[6] = regs->r8;				\					pr_reg[7] = regs->r16 & 0xffff;			\					pr_reg[8] = (regs->r16 >> 16) & 0xffff;		\					pr_reg[9] = (regs->r16 >> 32) & 0xffff;		\					pr_reg[10] = (regs->r16 >> 48) & 0xffff;	\					pr_reg[11] = regs->r1; 				\					pr_reg[12] = regs->cr_iip;			\					pr_reg[13] = regs->r17 & 0xffff;		\					pr_reg[14] = ia64_getreg(_IA64_REG_AR_EFLAG);	\					pr_reg[15] = regs->r12;				\					pr_reg[16] = (regs->r17 >> 16) & 0xffff;								static inline void elf_core_copy_regs(elf_gregset_t *elfregs,								      struct pt_regs *regs)				{					ELF_CORE_COPY_REGS((*elfregs), regs)				}								static inline int elf_core_copy_task_regs(struct task_struct *t,									  elf_gregset_t* elfregs)				{					ELF_CORE_COPY_REGS((*elfregs), task_pt_regs(t));					return 1;				}								static inline int				elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpregset_t *fpu)				{					struct ia32_user_i387_struct *fpstate = (void*)fpu;					mm_segment_t old_fs;									if (!tsk_used_math(tsk))						return 0;										old_fs = get_fs();					set_fs(KERNEL_DS);					save_ia32_fpstate(tsk, (struct ia32_user_i387_struct __user *) fpstate);					set_fs(old_fs);									return 1;				}								#define ELF_CORE_COPY_XFPREGS 1				#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG				static inline int				elf_core_copy_task_xfpregs(struct task_struct *tsk, elf_fpxregset_t *xfpu)				{					struct ia32_user_fxsr_struct *fpxstate = (void*) xfpu;					mm_segment_t old_fs;									if (!tsk_used_math(tsk))						return 0;									old_fs = get_fs();					set_fs(KERNEL_DS);					save_ia32_fpxstate(tsk, (struct ia32_user_fxsr_struct __user *) fpxstate);					set_fs(old_fs);									return 1;				}								#endif /* _ELFCORE32_H_ */