1 /* Callback interface for libthread_db, functions users must define. 2 Copyright (C) 1999,2002,2003 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19 /* The definitions in this file must correspond to those in the debugger. */ 20 #include <sys/procfs.h> 21 22 /* Functions in this interface return one of these status codes. */ 23 typedef enum 24 { 25 PS_OK, /* Generic "call succeeded". */ 26 PS_ERR, /* Generic error. */ 27 PS_BADPID, /* Bad process handle. */ 28 PS_BADLID, /* Bad LWP identifier. */ 29 PS_BADADDR, /* Bad address. */ 30 PS_NOSYM, /* Could not find given symbol. */ 31 PS_NOFREGS /* FPU register set not available for given LWP. */ 32 } ps_err_e; 33 34 35 /* This type is opaque in this interface. 36 It's defined by the user of libthread_db. */ 37 struct ps_prochandle; 38 39 40 /* Read or write process memory at the given address. */ 41 extern ps_err_e ps_pdread (struct ps_prochandle *, 42 psaddr_t, void *, size_t); 43 extern ps_err_e ps_pdwrite (struct ps_prochandle *, 44 psaddr_t, const void *, size_t); 45 extern ps_err_e ps_ptread (struct ps_prochandle *, 46 psaddr_t, void *, size_t); 47 extern ps_err_e ps_ptwrite (struct ps_prochandle *, 48 psaddr_t, const void *, size_t); 49 50 51 /* Get and set the given LWP's general or FPU register set. */ 52 extern ps_err_e ps_lgetregs (struct ps_prochandle *, 53 lwpid_t, prgregset_t); 54 extern ps_err_e ps_lsetregs (struct ps_prochandle *, 55 lwpid_t, const prgregset_t); 56 extern ps_err_e ps_lgetfpregs (struct ps_prochandle *, 57 lwpid_t, prfpregset_t *); 58 extern ps_err_e ps_lsetfpregs (struct ps_prochandle *, 59 lwpid_t, const prfpregset_t *); 60 61 /* Return the PID of the process. */ 62 extern pid_t ps_getpid (struct ps_prochandle *); 63 64 /* Fetch the special per-thread address associated with the given LWP. 65 This call is only used on a few platforms (most use a normal register). 66 The meaning of the `int' parameter is machine-dependent. */ 67 extern ps_err_e ps_get_thread_area (const struct ps_prochandle *, 68 lwpid_t, int, psaddr_t *); 69 70 71 /* Look up the named symbol in the named DSO in the symbol tables 72 associated with the process being debugged, filling in *SYM_ADDR 73 with the corresponding run-time address. */ 74 extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *, 75 const char *object_name, 76 const char *sym_name, 77 psaddr_t *sym_addr); 78 79 80 /* Stop or continue the entire process. */ 81 extern ps_err_e ps_pstop (const struct ps_prochandle *); 82 extern ps_err_e ps_pcontinue (const struct ps_prochandle *); 83 84 /* Stop or continue the given LWP alone. */ 85 extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t); 86 extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t); 87