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glibc  2.9
procfs.h
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00001 /* Copyright (C) 1996, 1997, 1999, 2000, 2006 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _SYS_PROCFS_H
00020 #define _SYS_PROCFS_H       1
00021 
00022 /* This is somewhat modelled after the file of the same name on SVR4
00023    systems.  It provides a definition of the core file format for ELF
00024    used on Linux.  It doesn't have anything to do with the /proc file
00025    system, even though Linux has one.
00026 
00027    Anyway, the whole purpose of this file is for GDB and GDB only.
00028    Don't read too much into it.  Don't use it for anything other than
00029    GDB unless you know what you are doing.  */
00030 
00031 #include <features.h>
00032 #include <signal.h>
00033 #include <sys/time.h>
00034 #include <sys/types.h>
00035 #include <sys/ucontext.h>
00036 #include <sys/user.h>
00037 
00038 __BEGIN_DECLS
00039 
00040 typedef unsigned long elf_greg_t;
00041 #define ELF_NGREG 80    /* We only need 64 at present, but leave space
00042                                                    for expansion. */
00043 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
00044 
00045 #define ELF_NFPREG 32
00046 typedef double elf_fpreg_t;
00047 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
00048 
00049 struct elf_siginfo
00050   {
00051     int si_signo;                  /* Signal number.  */
00052     int si_code;                   /* Extra code.  */
00053     int si_errno;                  /* Errno.  */
00054   };
00055 
00056 /* Definitions to generate Intel SVR4-like core files.  These mostly
00057    have the same names as the SVR4 types with "elf_" tacked on the
00058    front to prevent clashes with Linux definitions, and the typedef
00059    forms have been avoided.  This is mostly like the SVR4 structure,
00060    but more Linuxy, with things that Linux does not support and which
00061    GDB doesn't really use excluded.  */
00062 
00063 struct elf_prstatus
00064   {
00065     struct elf_siginfo pr_info;           /* Info associated with signal.  */
00066     short int pr_cursig;           /* Current signal.  */
00067     unsigned long int pr_sigpend;  /* Set of pending signals.  */
00068     unsigned long int pr_sighold;  /* Set of held signals.  */
00069     __pid_t pr_pid;
00070     __pid_t pr_ppid;
00071     __pid_t pr_pgrp;
00072     __pid_t pr_sid;
00073     struct timeval pr_utime;              /* User time.  */
00074     struct timeval pr_stime;              /* System time.  */
00075     struct timeval pr_cutime;             /* Cumulative user time.  */
00076     struct timeval pr_cstime;             /* Cumulative system time.  */
00077     elf_gregset_t pr_reg;          /* GP registers.  */
00078     int pr_fpvalid;                /* True if math copro being used.  */
00079   };
00080 
00081 
00082 #define ELF_PRARGSZ     (80)    /* Number of chars for args.  */
00083 
00084 struct elf_prpsinfo
00085   {
00086     char pr_state;                 /* Numeric process state.  */
00087     char pr_sname;                 /* Char for pr_state.  */
00088     char pr_zomb;                  /* Zombie.  */
00089     char pr_nice;                  /* Nice val.  */
00090     unsigned long int pr_flag;            /* Flags.  */
00091     unsigned int pr_uid;
00092     unsigned int pr_gid;
00093     int pr_pid, pr_ppid, pr_pgrp, pr_sid;
00094     /* Lots missing */
00095     char pr_fname[16];                    /* Filename of executable.  */
00096     char pr_psargs[ELF_PRARGSZ];   /* Initial part of arg list.  */
00097   };
00098 
00099 
00100 /* The rest of this file provides the types for emulation of the
00101    Solaris <proc_service.h> interfaces that should be implemented by
00102    users of libthread_db.  */
00103 
00104 /* Addresses.  */
00105 typedef void *psaddr_t;
00106 
00107 /* Register sets.  Linux has different names.  */
00108 typedef elf_gregset_t prgregset_t;
00109 typedef elf_fpregset_t prfpregset_t;
00110 
00111 /* We don't have any differences between processes and threads,
00112    therefore have only one PID type.  */
00113 typedef __pid_t lwpid_t;
00114 
00115 /* Process status and info.  In the end we do provide typedefs for them.  */
00116 typedef struct elf_prstatus prstatus_t;
00117 typedef struct elf_prpsinfo prpsinfo_t;
00118 
00119 __END_DECLS
00120 
00121 #endif /* sys/procfs.h */