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Diffstat (limited to 'include/sys/procfs.h')
| -rw-r--r-- | include/sys/procfs.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/include/sys/procfs.h b/include/sys/procfs.h new file mode 100644 index 00000000..ec82308b --- /dev/null +++ b/include/sys/procfs.h @@ -0,0 +1,120 @@ +/* <sys/procfs.h> -- data structures describing ELF core file formats + Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_PROCFS_H +#define _SYS_PROCFS_H 1 + +/* This poorly-named file describes the format of the note segments in ELF + core files. It doesn't have anything to do with a `/proc' file system. + + 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 <inttypes.h> +#include <sys/types.h> +#include <sys/time.h> +#include <ucontext.h> + +__BEGIN_DECLS + +/* This structure gives some general information about the process, things + that `ps' would tell you (hence the name). We have chosen the names and + the layout of the structure to coincide with the Solaris 8 definition. + The `file' program happens to know to look at 84 bytes into this + structure for the 16-byte `pr_fname' member, so we don't disappoint it. */ +#define ELF_PRARGSZ (80) /* Number of chars of argument list saved. */ +struct elf_psinfo +{ + int pr_flag; /* Meaningless flag bits. */ + int pr_nlwp; /* Number of threads in this process. */ + pid_t pr_pid; /* Process ID. */ + pid_t pr_ppid; /* Parent's process ID. */ + pid_t pr_pgid; /* Process group ID. */ + pid_t pr_sid; /* Session ID. */ + uid_t pr_uid, pr_euid; /* Real and effective UID (first one). */ + gid_t pr_gid, pr_egid; /* Real and effective GID (first one). */ + size_t pr_size; /* Virtual memory size of process (KB). */ + size_t pr_rssize; /* Resident set size of process (KB). */ + uint16_t pr_pctcpu; /* % of CPU used by all threads. */ + uint16_t pr_pctmem; /* % of virtual memory used by process. */ + struct timespec pr_start; /* Date & time of task creation. */ + struct timespec pr_time; /* CPU time used by this process. */ + struct timespec pr_ctime; /* CPU time used by dead children. */ + uint32_t pr_reserved1[2]; /* Padding to place pr_psargs at offset 84. */ + char pr_fname[16]; /* Initial part of executable file name. */ + char pr_psargs[ELF_PRARGSZ]; /* Initial part of argument list. */ + int pr_wstat; /* Zombie exit status (not really used). */ + int pr_argc; /* The argument count at startup. */ + uintptr_t pr_argv; /* Original argument vector address. */ + uintptr_t pr_envp; /* Original environment vector address. */ +}; +typedef struct elf_psinfo psinfo_t; + +/* This structure also gives general information about the process. + The Solaris version gives the status of "the representative thread", + but GDB does not actually use this structure for anything but the PID. */ +struct elf_pstatus +{ + int pr_flags; /* Meaningless flags bits. */ + int pr_nlwp; /* Number of threads in this process. */ + pid_t pr_pid; /* Process ID. */ + pid_t pr_ppid; /* Parent's process ID. */ + pid_t pr_pgid; /* Process group ID. */ + pid_t pr_sid; /* Session ID. */ + struct timespec pr_utime; /* User CPU time used by this process. */ + struct timespec pr_stime; /* System CPU time used by this process. */ + struct timespec pr_cutime; /* User CPU time used by dead children. */ + struct timespec pr_cstime; /* System CPU time used by dead children. */ +}; +typedef struct elf_pstatus pstatus_t; + +/* Information about a signal, the signal that killed the process. */ +struct elf_siginfo +{ + int si_signo; /* Signal number. */ + int si_code; /* Extra code. */ + int si_errno; /* Errno. */ +}; + +typedef gregset_t prgregset_t; +typedef fpregset_t prfpregset_t; + +/* This structure describes the state of one thread. GDB examines + pr_cursig to see what killed the process, so those are set in the + record for every thread. The `pr_lwpid' member contains a value + that is unique among the threads in this code file, but otherwise + meaningless. GDB examines that and the `pr_reg' and `pr_fpreg' + members for the register state of the thread. */ +struct elf_lwpstatus +{ + int pr_flags; /* Meaningless flags bits. */ + int pr_lwpid; /* Identifies this thread from others. */ + int pr_cursig; /* Signal that killed the thread. */ + struct elf_siginfo pr_info; /* Details about the signal. */ + prgregset_t pr_reg; /* State of thread's general registers. */ + prfpregset_t pr_fpreg; /* State of its floating-point registers. */ +}; +typedef struct elf_lwpstatus lwpstatus_t; + + +__END_DECLS + +#endif /* sys/procfs.h */ |