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/arch/ia64/ia32/elfcore32.h

https://bitbucket.org/evzijst/gittest
C Header | 138 lines | 107 code | 22 blank | 9 comment | 2 complexity | 80f5b4e1a38c0c1d8140b55e86c01ed0 MD5 | raw file
  1/*
  2 * IA-32 ELF core dump support.
  3 *
  4 * Copyright (C) 2003 Arun Sharma <arun.sharma@intel.com>
  5 *
  6 * Derived from the x86_64 version
  7 */
  8#ifndef _ELFCORE32_H_
  9#define _ELFCORE32_H_
 10
 11#include <asm/intrinsics.h>
 12#include <asm/uaccess.h>
 13
 14#define USE_ELF_CORE_DUMP 1
 15
 16/* Override elfcore.h */
 17#define _LINUX_ELFCORE_H 1
 18typedef unsigned int elf_greg_t;
 19
 20#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
 21typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 22
 23typedef struct ia32_user_i387_struct elf_fpregset_t;
 24typedef struct ia32_user_fxsr_struct elf_fpxregset_t;
 25
 26struct elf_siginfo
 27{
 28	int	si_signo;			/* signal number */
 29	int	si_code;			/* extra code */
 30	int	si_errno;			/* errno */
 31};
 32
 33#define jiffies_to_timeval(a,b) do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; }while(0)
 34
 35struct elf_prstatus
 36{
 37	struct elf_siginfo pr_info;	/* Info associated with signal */
 38	short	pr_cursig;		/* Current signal */
 39	unsigned int pr_sigpend;	/* Set of pending signals */
 40	unsigned int pr_sighold;	/* Set of held signals */
 41	pid_t	pr_pid;
 42	pid_t	pr_ppid;
 43	pid_t	pr_pgrp;
 44	pid_t	pr_sid;
 45	struct compat_timeval pr_utime;	/* User time */
 46	struct compat_timeval pr_stime;	/* System time */
 47	struct compat_timeval pr_cutime;	/* Cumulative user time */
 48	struct compat_timeval pr_cstime;	/* Cumulative system time */
 49	elf_gregset_t pr_reg;	/* GP registers */
 50	int pr_fpvalid;		/* True if math co-processor being used.  */
 51};
 52
 53#define ELF_PRARGSZ	(80)	/* Number of chars for args */
 54
 55struct elf_prpsinfo
 56{
 57	char	pr_state;	/* numeric process state */
 58	char	pr_sname;	/* char for pr_state */
 59	char	pr_zomb;	/* zombie */
 60	char	pr_nice;	/* nice val */
 61	unsigned int pr_flag;	/* flags */
 62	__u16	pr_uid;
 63	__u16	pr_gid;
 64	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;
 65	/* Lots missing */
 66	char	pr_fname[16];	/* filename of executable */
 67	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */
 68};
 69
 70#define ELF_CORE_COPY_REGS(pr_reg, regs)       		\
 71	pr_reg[0] = regs->r11;				\
 72	pr_reg[1] = regs->r9;				\
 73	pr_reg[2] = regs->r10;				\
 74	pr_reg[3] = regs->r14;				\
 75	pr_reg[4] = regs->r15;				\
 76	pr_reg[5] = regs->r13;				\
 77	pr_reg[6] = regs->r8;				\
 78	pr_reg[7] = regs->r16 & 0xffff;			\
 79	pr_reg[8] = (regs->r16 >> 16) & 0xffff;		\
 80	pr_reg[9] = (regs->r16 >> 32) & 0xffff;		\
 81	pr_reg[10] = (regs->r16 >> 48) & 0xffff;	\
 82	pr_reg[11] = regs->r1; 				\
 83	pr_reg[12] = regs->cr_iip;			\
 84	pr_reg[13] = regs->r17 & 0xffff;		\
 85	pr_reg[14] = ia64_getreg(_IA64_REG_AR_EFLAG);	\
 86	pr_reg[15] = regs->r12;				\
 87	pr_reg[16] = (regs->r17 >> 16) & 0xffff;
 88
 89static inline void elf_core_copy_regs(elf_gregset_t *elfregs,
 90				      struct pt_regs *regs)
 91{
 92	ELF_CORE_COPY_REGS((*elfregs), regs)
 93}
 94
 95static inline int elf_core_copy_task_regs(struct task_struct *t,
 96					  elf_gregset_t* elfregs)
 97{
 98	struct pt_regs *pp = ia64_task_regs(t);
 99	ELF_CORE_COPY_REGS((*elfregs), pp);
100	return 1;
101}
102
103static inline int
104elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpregset_t *fpu)
105{
106	struct ia32_user_i387_struct *fpstate = (void*)fpu;
107	mm_segment_t old_fs;
108
109	if (!tsk_used_math(tsk))
110		return 0;
111	
112	old_fs = get_fs();
113	set_fs(KERNEL_DS);
114	save_ia32_fpstate(tsk, (struct ia32_user_i387_struct __user *) fpstate);
115	set_fs(old_fs);
116
117	return 1;
118}
119
120#define ELF_CORE_COPY_XFPREGS 1
121static inline int
122elf_core_copy_task_xfpregs(struct task_struct *tsk, elf_fpxregset_t *xfpu)
123{
124	struct ia32_user_fxsr_struct *fpxstate = (void*) xfpu;
125	mm_segment_t old_fs;
126
127	if (!tsk_used_math(tsk))
128		return 0;
129
130	old_fs = get_fs();
131	set_fs(KERNEL_DS);
132	save_ia32_fpxstate(tsk, (struct ia32_user_fxsr_struct __user *) fpxstate);
133	set_fs(old_fs);
134
135	return 1;
136}
137
138#endif /* _ELFCORE32_H_ */