--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.hotspot.agent/macosx/native/libsaproc/libproc_impl.h Wed Dec 23 13:12:15 2015 +0300
@@ -0,0 +1,220 @@
+/*
+ * 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"
+
+#ifdef __APPLE__
+#include <inttypes.h> // for PRIx64, 32, ...
+#include <pthread.h>
+#include <mach-o/loader.h>
+#include <mach-o/nlist.h>
+#include <mach-o/fat.h>
+
+#ifndef register_t
+#define register_t uint64_t
+#endif
+
+/*** registers copied from bsd/amd64 */
+typedef struct reg {
+ register_t r_r15;
+ register_t r_r14;
+ register_t r_r13;
+ register_t r_r12;
+ register_t r_r11;
+ register_t r_r10;
+ register_t r_r9;
+ register_t r_r8;
+ register_t r_rdi;
+ register_t r_rsi;
+ register_t r_rbp;
+ register_t r_rbx;
+ register_t r_rdx;
+ register_t r_rcx;
+ register_t r_rax;
+ uint32_t r_trapno; // not used
+ uint16_t r_fs;
+ uint16_t r_gs;
+ uint32_t r_err; // not used
+ uint16_t r_es; // not used
+ uint16_t r_ds; // not used
+ register_t r_rip;
+ register_t r_cs;
+ register_t r_rflags;
+ register_t r_rsp;
+ register_t r_ss; // not used
+} reg;
+
+// convenient defs
+typedef struct mach_header_64 mach_header_64;
+typedef struct load_command load_command;
+typedef struct segment_command_64 segment_command_64;
+typedef struct thread_command thread_command;
+typedef struct dylib_command dylib_command;
+typedef struct symtab_command symtab_command;
+typedef struct nlist_64 nlist_64;
+#else
+#include <thread_db.h>
+#include "salibelf.h"
+#endif // __APPLE__
+
+// 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 sa_thread_info {
+ lwpid_t lwp_id; // same as pthread_t
+ pthread_t pthread_id; //
+ struct reg regs; // not for process, core uses for caching regset
+ struct sa_thread_info* next;
+} sa_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 reg* regs);
+ // get info on thread
+ bool (*get_lwp_info)(struct ps_prochandle *ph, lwpid_t lwp_id, void *linfo);
+} 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-elf.so.1)
+ // 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
+ char exec_path[4096]; // file name java
+};
+
+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;
+ sa_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);
+
+sa_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
+
+#ifdef __APPLE__
+// a test for Mach-O signature
+bool is_macho_file(int fd);
+// skip fat head to get image start offset of cpu_type_t
+// return false if any error happens, else value in offset.
+bool get_arch_off(int fd, cpu_type_t cputype, off_t *offset);
+#else
+bool is_elf_file(int fd);
+#endif // __APPLE__
+
+lwpid_t get_lwp_id(struct ps_prochandle* ph, int index);
+bool set_lwp_id(struct ps_prochandle* ph, int index, lwpid_t lwpid);
+bool get_nth_lwp_regs(struct ps_prochandle* ph, int index, struct reg* regs);
+
+// ps_pglobal_lookup() looks up the symbol sym_name in the symbol table
+// of the load object object_name in the target process identified by ph.
+// It returns the symbol's value as an address in the target process in
+// *sym_addr.
+
+ps_err_e ps_pglobal_lookup(struct ps_prochandle *ph, const char *object_name,
+ const char *sym_name, psaddr_t *sym_addr);
+
+// read "size" bytes info "buf" from address "addr"
+ps_err_e ps_pread(struct ps_prochandle *ph, psaddr_t addr,
+ void *buf, size_t size);
+
+// write "size" bytes of data to debuggee at address "addr"
+ps_err_e ps_pwrite(struct ps_prochandle *ph, psaddr_t addr,
+ const void *buf, size_t size);
+
+// fill in ptrace_lwpinfo for lid
+ps_err_e ps_linfo(struct ps_prochandle *ph, lwpid_t lwp_id, void *linfo);
+
+// needed for when libthread_db is compiled with TD_DEBUG defined
+void ps_plog (const char *format, ...);
+
+// untility, tells the position in file
+off_t ltell(int fd);
+#endif //_LIBPROC_IMPL_H_