| /* |
| * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef _LIBPROC_IMPL_H_ |
| #define _LIBPROC_IMPL_H_ |
| |
| #include <unistd.h> |
| #include <limits.h> |
| #include "libproc.h" |
| #include "symtab.h" |
| |
| // data structures in this file mimic those of Solaris 8.0 - libproc's Pcontrol.h |
| |
| #define BUF_SIZE (PATH_MAX + NAME_MAX + 1) |
| |
| // list of shared objects |
| typedef struct lib_info { |
| char name[BUF_SIZE]; |
| uintptr_t base; |
| struct symtab* symtab; |
| int fd; // file descriptor for lib |
| struct lib_info* next; |
| } lib_info; |
| |
| // list of threads |
| typedef struct thread_info { |
| lwpid_t lwp_id; |
| pthread_t pthread_id; // not used cores, always -1 |
| struct user_regs_struct regs; // not for process, core uses for caching regset |
| struct thread_info* next; |
| } thread_info; |
| |
| // list of virtual memory maps |
| typedef struct map_info { |
| int fd; // file descriptor |
| off_t offset; // file offset of this mapping |
| uintptr_t vaddr; // starting virtual address |
| size_t memsz; // size of the mapping |
| struct map_info* next; |
| } map_info; |
| |
| // vtable for ps_prochandle |
| typedef struct ps_prochandle_ops { |
| // "derived class" clean-up |
| void (*release)(struct ps_prochandle* ph); |
| // read from debuggee |
| bool (*p_pread)(struct ps_prochandle *ph, |
| uintptr_t addr, char *buf, size_t size); |
| // write into debuggee |
| bool (*p_pwrite)(struct ps_prochandle *ph, |
| uintptr_t addr, const char *buf , size_t size); |
| // get integer regset of a thread |
| bool (*get_lwp_regs)(struct ps_prochandle* ph, lwpid_t lwp_id, struct user_regs_struct* regs); |
| } ps_prochandle_ops; |
| |
| // the ps_prochandle |
| |
| struct core_data { |
| int core_fd; // file descriptor of core file |
| int exec_fd; // file descriptor of exec file |
| int interp_fd; // file descriptor of interpreter (ld-linux.so.2) |
| // part of the class sharing workaround |
| int classes_jsa_fd; // file descriptor of class share archive |
| uintptr_t dynamic_addr; // address of dynamic section of a.out |
| uintptr_t ld_base_addr; // base address of ld.so |
| size_t num_maps; // number of maps. |
| map_info* maps; // maps in a linked list |
| // part of the class sharing workaround |
| map_info* class_share_maps;// class share maps in a linked list |
| map_info** map_array; // sorted (by vaddr) array of map_info pointers |
| }; |
| |
| struct ps_prochandle { |
| ps_prochandle_ops* ops; // vtable ptr |
| pid_t pid; |
| int num_libs; |
| lib_info* libs; // head of lib list |
| lib_info* lib_tail; // tail of lib list - to append at the end |
| int num_threads; |
| thread_info* threads; // head of thread list |
| struct core_data* core; // data only used for core dumps, NULL for process |
| }; |
| |
| int pathmap_open(const char* name); |
| |
| void print_debug(const char* format,...); |
| void print_error(const char* format,...); |
| bool is_debug(); |
| |
| typedef bool (*thread_info_callback)(struct ps_prochandle* ph, pthread_t pid, lwpid_t lwpid); |
| |
| // reads thread info using libthread_db and calls above callback for each thread |
| bool read_thread_info(struct ps_prochandle* ph, thread_info_callback cb); |
| |
| // adds a new shared object to lib list, returns NULL on failure |
| lib_info* add_lib_info(struct ps_prochandle* ph, const char* libname, uintptr_t base); |
| |
| // adds a new shared object to lib list, supply open lib file descriptor as well |
| lib_info* add_lib_info_fd(struct ps_prochandle* ph, const char* libname, int fd, |
| uintptr_t base); |
| |
| // adds a new thread to threads list, returns NULL on failure |
| thread_info* add_thread_info(struct ps_prochandle* ph, pthread_t pthread_id, lwpid_t lwp_id); |
| |
| // a test for ELF signature without using libelf |
| bool is_elf_file(int fd); |
| |
| #endif //_LIBPROC_IMPL_H_ |