1 /* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc. 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 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. 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 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; see the file COPYING.LIB. If 16 not, see <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_PROCFS_H 19 #define _SYS_PROCFS_H 1 20 21 /* This is somewhat modelled after the file of the same name on SVR4 22 systems. It provides a definition of the core file format for ELF 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. */ 29 30 #include <features.h> 31 #include <sys/time.h> 32 #include <sys/types.h> 33 #include <sys/user.h> 34 #include <sys/ucontext.h> 35 36 #define ELF_NGREG NGREG 37 38 typedef unsigned long elf_greg_t; 39 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 40 typedef struct {} elf_fpregset_t; 41 42 __BEGIN_DECLS 43 44 /* Signal info. */ 45 struct elf_siginfo 46 { 47 int si_signo; /* Signal number. */ 48 int si_code; /* Extra code. */ 49 int si_errno; /* Errno. */ 50 }; 51 52 /* Definitions to generate Intel SVR4-like core files. These mostly 53 have the same names as the SVR4 types with "elf_" tacked on the 54 front to prevent clashes with Linux definitions, and the typedef 55 forms have been avoided. This is mostly like the SVR4 structure, 56 but more Linuxy, with things that Linux does not support and which 57 GDB doesn't really use excluded. */ 58 59 struct elf_prstatus 60 { 61 short int pr_cursig; /* Current signal. */ 62 __pid_t pr_pid; 63 elf_gregset_t pr_reg; /* GP registers. */ 64 }; 65 66 67 #define ELF_PRARGSZ (80) /* Number of chars for args. */ 68 69 struct elf_prpsinfo 70 { 71 char pr_fname[16]; /* Filename of executable. */ 72 char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ 73 }; 74 75 /* The rest of this file provides the types for emulation of the 76 Solaris <proc_service.h> interfaces that should be implemented by 77 users of libthread_db. */ 78 79 /* Addresses. */ 80 typedef void *psaddr_t; 81 82 /* Register sets. Linux has different names. */ 83 typedef elf_gregset_t prgregset_t; 84 typedef elf_fpregset_t prfpregset_t; 85 86 /* We don't have any differences between processes and threads, 87 therefore have only one PID type. */ 88 typedef __pid_t lwpid_t; 89 90 /* Process status and info. In the end we do provide typedefs for them. */ 91 typedef struct elf_prstatus prstatus_t; 92 typedef struct elf_prpsinfo prpsinfo_t; 93 94 __END_DECLS 95 96 #endif /* sys/procfs.h */ 97