[net-next-2.6.git] / arch / ia64 / ia32 / elfcore32.h

/*
 * IA-32 ELF core dump support.
 *
 * Copyright (C) 2003 Arun Sharma <arun.sharma@intel.com>
 *
 * Derived from the x86_64 version
 */
#ifndef _ELFCORE32_H_
#define _ELFCORE32_H_

#include <asm/intrinsics.h>
#include <asm/uaccess.h>

/* 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 */
};

#ifdef CONFIG_VIRT_CPU_ACCOUNTING
/*
 * Hacks are here since types between compat_timeval (= pair of s32) and
 * ia64-native timeval (= pair of s64) are not compatible, at least a file
 * arch/ia64/ia32/../../../fs/binfmt_elf.c will get warnings from compiler on
 * use of cputime_to_timeval(), which usually an alias of jiffies_to_timeval().
 */
#define cputime_to_timeval(a,b) \
	do { (b)->tv_usec = 0; (b)->tv_sec = (a)/NSEC_PER_SEC; } while(0)
#else
#define jiffies_to_timeval(a,b) \
	do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; } while(0)
#endif

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_ */
Commit	Line	Data
1da177e4 LT	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
1da177e4 LT	14	/* Override elfcore.h */
	15	#define _LINUX_ELFCORE_H 1
	16	typedef unsigned int elf_greg_t;
	17
	18	#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
	19	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
	20
	21	typedef struct ia32_user_i387_struct elf_fpregset_t;
	22	typedef struct ia32_user_fxsr_struct elf_fpxregset_t;
	23
	24	struct elf_siginfo
	25	{
	26	int si_signo; /* signal number */
	27	int si_code; /* extra code */
	28	int si_errno; /* errno */
	29	};
	30
b64f34cd HS	31	#ifdef CONFIG_VIRT_CPU_ACCOUNTING
	32	/*
	33	* Hacks are here since types between compat_timeval (= pair of s32) and
	34	* ia64-native timeval (= pair of s64) are not compatible, at least a file
	35	* arch/ia64/ia32/../../../fs/binfmt_elf.c will get warnings from compiler on
	36	* use of cputime_to_timeval(), which usually an alias of jiffies_to_timeval().
	37	*/
	38	#define cputime_to_timeval(a,b) \
	39	do { (b)->tv_usec = 0; (b)->tv_sec = (a)/NSEC_PER_SEC; } while(0)
	40	#else
	41	#define jiffies_to_timeval(a,b) \
	42	do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; } while(0)
	43	#endif
1da177e4 LT	44
	45	struct elf_prstatus
	46	{
	47	struct elf_siginfo pr_info; /* Info associated with signal */
	48	short pr_cursig; /* Current signal */
	49	unsigned int pr_sigpend; /* Set of pending signals */
	50	unsigned int pr_sighold; /* Set of held signals */
	51	pid_t pr_pid;
	52	pid_t pr_ppid;
	53	pid_t pr_pgrp;
	54	pid_t pr_sid;
	55	struct compat_timeval pr_utime; /* User time */
	56	struct compat_timeval pr_stime; /* System time */
	57	struct compat_timeval pr_cutime; /* Cumulative user time */
	58	struct compat_timeval pr_cstime; /* Cumulative system time */
	59	elf_gregset_t pr_reg; /* GP registers */
	60	int pr_fpvalid; /* True if math co-processor being used. */
	61	};
	62
	63	#define ELF_PRARGSZ (80) /* Number of chars for args */
	64
	65	struct elf_prpsinfo
	66	{
	67	char pr_state; /* numeric process state */
	68	char pr_sname; /* char for pr_state */
	69	char pr_zomb; /* zombie */
	70	char pr_nice; /* nice val */
	71	unsigned int pr_flag; /* flags */
	72	__u16 pr_uid;
	73	__u16 pr_gid;
	74	pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
	75	/* Lots missing */
	76	char pr_fname[16]; /* filename of executable */
	77	char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
	78	};
	79
	80	#define ELF_CORE_COPY_REGS(pr_reg, regs) \
	81	pr_reg[0] = regs->r11; \
	82	pr_reg[1] = regs->r9; \
	83	pr_reg[2] = regs->r10; \
	84	pr_reg[3] = regs->r14; \
	85	pr_reg[4] = regs->r15; \
	86	pr_reg[5] = regs->r13; \
	87	pr_reg[6] = regs->r8; \
	88	pr_reg[7] = regs->r16 & 0xffff; \
	89	pr_reg[8] = (regs->r16 >> 16) & 0xffff; \
	90	pr_reg[9] = (regs->r16 >> 32) & 0xffff; \
	91	pr_reg[10] = (regs->r16 >> 48) & 0xffff; \
	92	pr_reg[11] = regs->r1; \
	93	pr_reg[12] = regs->cr_iip; \
	94	pr_reg[13] = regs->r17 & 0xffff; \
	95	pr_reg[14] = ia64_getreg(_IA64_REG_AR_EFLAG); \
	96	pr_reg[15] = regs->r12; \
	97	pr_reg[16] = (regs->r17 >> 16) & 0xffff;
	98
	99	static inline void elf_core_copy_regs(elf_gregset_t *elfregs,
	100	struct pt_regs *regs)
	101	{
	102	ELF_CORE_COPY_REGS((*elfregs), regs)
	103	}
	104
	105	static inline int elf_core_copy_task_regs(struct task_struct *t,
	106	elf_gregset_t* elfregs)
	107	{
6450578f	108	ELF_CORE_COPY_REGS((*elfregs), task_pt_regs(t));
1da177e4 LT	109	return 1;
	110	}
	111
	112	static inline int
	113	elf_core_copy_task_fpregs(struct task_struct tsk, struct pt_regs regs, elf_fpregset_t *fpu)
	114	{
	115	struct ia32_user_i387_struct fpstate = (void)fpu;
	116	mm_segment_t old_fs;
	117
	118	if (!tsk_used_math(tsk))
	119	return 0;
	120
	121	old_fs = get_fs();
	122	set_fs(KERNEL_DS);
	123	save_ia32_fpstate(tsk, (struct ia32_user_i387_struct __user *) fpstate);
	124	set_fs(old_fs);
	125
	126	return 1;
	127	}
	128
	129	#define ELF_CORE_COPY_XFPREGS 1
5b20cd80	130	#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
1da177e4 LT	131	static inline int
	132	elf_core_copy_task_xfpregs(struct task_struct tsk, elf_fpxregset_t xfpu)
	133	{
	134	struct ia32_user_fxsr_struct fpxstate = (void) xfpu;
	135	mm_segment_t old_fs;
	136
	137	if (!tsk_used_math(tsk))
	138	return 0;
	139
	140	old_fs = get_fs();
	141	set_fs(KERNEL_DS);
	142	save_ia32_fpxstate(tsk, (struct ia32_user_fxsr_struct __user *) fpxstate);
	143	set_fs(old_fs);
	144
	145	return 1;
	146	}
	147
	148	#endif /* _ELFCORE32_H_ */