Mercurial > hg > truffle
view agent/src/os/linux/libproc_impl.h @ 19724:19a4fbe393d0
Fix for conditional elimination: Block could have been deleted, but dominated block is alive.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Mon, 09 Mar 2015 17:41:20 +0100 |
parents | 2394a89e89f4 |
children |
line wrap: on
line source
/* * 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_