[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / arm / sys / procfs.h

/* Copyright (C) 1996-2015 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library.  If not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _SYS_PROCFS_H
#define _SYS_PROCFS_H	1

/* This is somewhat modelled after the file of the same name on SVR4
   systems.  It provides a definition of the core file format for ELF
   used on Linux.  It doesn't have anything to do with the /proc file
   system, even though Linux has one.

   Anyway, the whole purpose of this file is for GDB and GDB only.
   Don't read too much into it.  Don't use it for anything other than
   GDB unless you know what you are doing.  */

#include <features.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/user.h>

__BEGIN_DECLS

/* Type for a general-purpose register.  */
typedef unsigned long elf_greg_t;

/* And the whole bunch of them.  We could have used `struct
   user_regs' directly in the typedef, but tradition says that
   the register set is an array, which does have some peculiar
   semantics, so leave it that way.  */
#define ELF_NGREG (sizeof (struct user_regs) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

/* Register set for the floating-point registers.  */
typedef struct user_fpregs elf_fpregset_t;

/* Signal info.  */
struct elf_siginfo
  {
    int si_signo;			/* Signal number.  */
    int si_code;			/* Extra code.  */
    int si_errno;			/* Errno.  */
  };

/* Definitions to generate Intel SVR4-like core files.  These mostly
   have the same names as the SVR4 types with "elf_" tacked on the
   front to prevent clashes with Linux definitions, and the typedef
   forms have been avoided.  This is mostly like the SVR4 structure,
   but more Linuxy, with things that Linux does not support and which
   GDB doesn't really use excluded.  */

struct elf_prstatus
  {
    struct elf_siginfo pr_info;		/* Info associated with signal.  */
    short int pr_cursig;		/* Current signal.  */
    unsigned long int pr_sigpend;	/* Set of pending signals.  */
    unsigned long int pr_sighold;	/* Set of held signals.  */
    __pid_t pr_pid;
    __pid_t pr_ppid;
    __pid_t pr_pgrp;
    __pid_t pr_sid;
    struct timeval pr_utime;		/* User time.  */
    struct timeval pr_stime;		/* System time.  */
    struct timeval pr_cutime;		/* Cumulative user time.  */
    struct timeval pr_cstime;		/* Cumulative system time.  */
    elf_gregset_t pr_reg;		/* GP registers.  */
    int pr_fpvalid;			/* True if math copro 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 long int pr_flag;		/* Flags.  */
    unsigned short int pr_uid;
    unsigned short int pr_gid;
    int 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.  */
  };

/* The rest of this file provides the types for emulation of the
   Solaris <proc_service.h> interfaces that should be implemented by
   users of libthread_db.  */

/* Addresses.  */
typedef void *psaddr_t;

/* Register sets.  Linux has different names.  */
typedef elf_gregset_t prgregset_t;
typedef elf_fpregset_t prfpregset_t;

/* We don't have any differences between processes and threads,
   therefore have only one PID type.  */
typedef __pid_t lwpid_t;

/* Process status and info.  In the end we do provide typedefs for them.  */
typedef struct elf_prstatus prstatus_t;
typedef struct elf_prpsinfo prpsinfo_t;

__END_DECLS

#endif	/* sys/procfs.h */
Commit	Line	Data
b168057a	1	/* Copyright (C) 1996-2015 Free Software Foundation, Inc.
7733584f UD	2	This file is part of the GNU C Library.
	3
	4	The GNU C Library is free software; you can redistribute it and/or
3214b89b AJ	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
7733584f UD	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3214b89b	12	Lesser General Public License for more details.
7733584f	13
3214b89b	14	You should have received a copy of the GNU Lesser General Public
ab84e3ff PE	15	License along with the GNU C Library. If not, see
ab84e3ff PE	16	<http://www.gnu.org/licenses/>. */
7733584f UD	17
7733584f UD	18	#ifndef _SYS_PROCFS_H
7733584f	19	#define _SYS_PROCFS_H 1
7733584f	20
c2a38d01	21	/* This is somewhat modelled after the file of the same name on SVR4
7733584f	22	systems. It provides a definition of the core file format for ELF
c2a38d01 UD	23	used on Linux. It doesn't have anything to do with the /proc file
	24	system, even though Linux has one.
	25
	26	Anyway, the whole purpose of this file is for GDB and GDB only.
	27	Don't read too much into it. Don't use it for anything other than
	28	GDB unless you know what you are doing. */
7733584f	29
1e70a8a3	30	#include <features.h>
7733584f UD	31	#include <sys/time.h>
	32	#include <sys/types.h>
	33	#include <sys/user.h>
7733584f UD	34
	35	__BEGIN_DECLS
	36
c2a38d01 UD	37	/* Type for a general-purpose register. */
	38	typedef unsigned long elf_greg_t;
	39
	40	/* And the whole bunch of them. We could have used `struct
	41	user_regs' directly in the typedef, but tradition says that
	42	the register set is an array, which does have some peculiar
	43	semantics, so leave it that way. */
	44	#define ELF_NGREG (sizeof (struct user_regs) / sizeof(elf_greg_t))
	45	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
	46
	47	/* Register set for the floating-point registers. */
	48	typedef struct user_fpregs elf_fpregset_t;
	49
	50	/* Signal info. */
7733584f UD	51	struct elf_siginfo
	52	{
	53	int si_signo; /* Signal number. */
	54	int si_code; /* Extra code. */
	55	int si_errno; /* Errno. */
	56	};
	57
c2a38d01 UD	58	/* Definitions to generate Intel SVR4-like core files. These mostly
	59	have the same names as the SVR4 types with "elf_" tacked on the
	60	front to prevent clashes with Linux definitions, and the typedef
	61	forms have been avoided. This is mostly like the SVR4 structure,
	62	but more Linuxy, with things that Linux does not support and which
	63	GDB doesn't really use excluded. */
	64
7733584f UD	65	struct elf_prstatus
7733584f UD	66	{
7733584f UD	67	struct elf_siginfo pr_info; /* Info associated with signal. */
	68	short int pr_cursig; /* Current signal. */
	69	unsigned long int pr_sigpend; /* Set of pending signals. */
	70	unsigned long int pr_sighold; /* Set of held signals. */
7733584f UD	71	__pid_t pr_pid;
	72	__pid_t pr_ppid;
	73	__pid_t pr_pgrp;
	74	__pid_t pr_sid;
	75	struct timeval pr_utime; /* User time. */
	76	struct timeval pr_stime; /* System time. */
	77	struct timeval pr_cutime; /* Cumulative user time. */
	78	struct timeval pr_cstime; /* Cumulative system time. */
7733584f UD	79	elf_gregset_t pr_reg; /* GP registers. */
	80	int pr_fpvalid; /* True if math copro being used. */
	81	};
	82
	83
c2a38d01	84	#define ELF_PRARGSZ (80) /* Number of chars for args. */
7733584f UD	85
	86	struct elf_prpsinfo
	87	{
	88	char pr_state; /* Numeric process state. */
	89	char pr_sname; /* Char for pr_state. */
	90	char pr_zomb; /* Zombie. */
	91	char pr_nice; /* Nice val. */
	92	unsigned long int pr_flag; /* Flags. */
	93	unsigned short int pr_uid;
	94	unsigned short int pr_gid;
	95	int pr_pid, pr_ppid, pr_pgrp, pr_sid;
	96	/* Lots missing */
	97	char pr_fname[16]; /* Filename of executable. */
	98	char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
	99	};
	100
c2a38d01 UD	101	/* The rest of this file provides the types for emulation of the
	102	Solaris <proc_service.h> interfaces that should be implemented by
	103	users of libthread_db. */
	104
1e70a8a3 UD	105	/* Addresses. */
	106	typedef void *psaddr_t;
	107
	108	/* Register sets. Linux has different names. */
c2a38d01 UD	109	typedef elf_gregset_t prgregset_t;
c2a38d01 UD	110	typedef elf_fpregset_t prfpregset_t;
1e70a8a3 UD	111
1e70a8a3 UD	112	/* We don't have any differences between processes and threads,
c2a38d01	113	therefore have only one PID type. */
1e70a8a3	114	typedef __pid_t lwpid_t;
7733584f	115
c2a38d01	116	/* Process status and info. In the end we do provide typedefs for them. */
7733584f UD	117	typedef struct elf_prstatus prstatus_t;
	118	typedef struct elf_prpsinfo prpsinfo_t;
	119
	120	__END_DECLS
	121
	122	#endif /* sys/procfs.h */