1 /* 2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, 20 * CA 94065 USA or visit www.oracle.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 #ifndef _PROC_SERVICE_H_ 26 #define _PROC_SERVICE_H_ 27 28 #include <stdio.h> 29 #include <thread_db.h> 30 31 // Linux does not have the proc service library, though it does provide the 32 // thread_db library which can be used to manipulate threads without having 33 // to know the details of LinuxThreads or NPTL 34 35 // copied from Solaris "proc_service.h" 36 typedef enum { 37 PS_OK, /* generic "call succeeded" */ 38 PS_ERR, /* generic error */ 39 PS_BADPID, /* bad process handle */ 40 PS_BADLID, /* bad lwp identifier */ 41 PS_BADADDR, /* bad address */ 42 PS_NOSYM, /* p_lookup() could not find given symbol */ 43 PS_NOFREGS /* FPU register set not available for given lwp */ 44 } ps_err_e; 45 46 // ps_getpid() is only defined on Linux to return a thread's process ID 47 pid_t ps_getpid(struct ps_prochandle *ph); 48 49 // ps_pglobal_lookup() looks up the symbol sym_name in the symbol table 50 // of the load object object_name in the target process identified by ph. 51 // It returns the symbol's value as an address in the target process in 52 // *sym_addr. 53 54 ps_err_e ps_pglobal_lookup(struct ps_prochandle *ph, const char *object_name, 55 const char *sym_name, psaddr_t *sym_addr); 56 57 // read "size" bytes of data from debuggee at address "addr" 58 ps_err_e ps_pdread(struct ps_prochandle *ph, psaddr_t addr, 59 void *buf, size_t size); 60 61 // write "size" bytes of data to debuggee at address "addr" 62 ps_err_e ps_pdwrite(struct ps_prochandle *ph, psaddr_t addr, 63 const void *buf, size_t size); 64 65 ps_err_e ps_lsetfpregs(struct ps_prochandle *ph, lwpid_t lid, const prfpregset_t *fpregs); 66 67 ps_err_e ps_lsetregs(struct ps_prochandle *ph, lwpid_t lid, const prgregset_t gregset); 68 69 ps_err_e ps_lgetfpregs(struct ps_prochandle *ph, lwpid_t lid, prfpregset_t *fpregs); 70 71 ps_err_e ps_lgetregs(struct ps_prochandle *ph, lwpid_t lid, prgregset_t gregset); 72 73 // new libthread_db of NPTL seem to require this symbol 74 ps_err_e ps_get_thread_area(); 75 76 #endif /* _PROC_SERVICE_H_ */