Mercurial > hg > graal-compiler
diff agent/src/os/linux/libproc_impl.h @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/os/linux/libproc_impl.h Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,128 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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,...); +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_