587   static bool find_builtin_agent(AgentLibrary *agent_lib, const char *syms[],
 588                                  size_t syms_len);
 589 
 590   // Find agent entry point
 591   static void *find_agent_function(AgentLibrary *agent_lib, bool check_lib,
 592                                    const char *syms[], size_t syms_len);
 593 
 594   // Print out system information; they are called by fatal error handler.
 595   // Output format may be different on different platforms.
 596   static void print_os_info(outputStream* st);
 597   static void print_os_info_brief(outputStream* st);
 598   static void print_cpu_info(outputStream* st);
 599   static void pd_print_cpu_info(outputStream* st);
 600   static void print_memory_info(outputStream* st);
 601   static void print_dll_info(outputStream* st);
 602   static void print_environment_variables(outputStream* st, const char** env_list, char* buffer, int len);
 603   static void print_context(outputStream* st, void* context);
 604   static void print_register_info(outputStream* st, void* context);
 605   static void print_siginfo(outputStream* st, void* siginfo);
 606   static void print_signal_handlers(outputStream* st, char* buf, size_t buflen);
 607   static void print_date_and_time(outputStream* st);
 608 
 609   static void print_location(outputStream* st, intptr_t x, bool verbose = false);
 610   static size_t lasterror(char *buf, size_t len);
 611   static int get_last_error();
 612 
 613   // Determines whether the calling process is being debugged by a user-mode debugger.
 614   static bool is_debugger_attached();
 615 
 616   // wait for a key press if PauseAtExit is set
 617   static void wait_for_keypress_at_exit(void);
 618 
 619   // The following two functions are used by fatal error handler to trace
 620   // native (C) frames. They are not part of frame.hpp/frame.cpp because
 621   // frame.hpp/cpp assume thread is JavaThread, and also because different
 622   // OS/compiler may have different convention or provide different API to
 623   // walk C frames.
 624   //
 625   // We don't attempt to become a debugger, so we only follow frames if that
 626   // does not require a lookup in the unwind table, which is part of the binary
 627   // file but may be unsafe to read after a fatal error. So on x86, we can

 587   static bool find_builtin_agent(AgentLibrary *agent_lib, const char *syms[],
 588                                  size_t syms_len);
 589 
 590   // Find agent entry point
 591   static void *find_agent_function(AgentLibrary *agent_lib, bool check_lib,
 592                                    const char *syms[], size_t syms_len);
 593 
 594   // Print out system information; they are called by fatal error handler.
 595   // Output format may be different on different platforms.
 596   static void print_os_info(outputStream* st);
 597   static void print_os_info_brief(outputStream* st);
 598   static void print_cpu_info(outputStream* st);
 599   static void pd_print_cpu_info(outputStream* st);
 600   static void print_memory_info(outputStream* st);
 601   static void print_dll_info(outputStream* st);
 602   static void print_environment_variables(outputStream* st, const char** env_list, char* buffer, int len);
 603   static void print_context(outputStream* st, void* context);
 604   static void print_register_info(outputStream* st, void* context);
 605   static void print_siginfo(outputStream* st, void* siginfo);
 606   static void print_signal_handlers(outputStream* st, char* buf, size_t buflen);
 607   static void print_date_and_time(outputStream* st, char* buf, size_t buflen);
 608 
 609   static void print_location(outputStream* st, intptr_t x, bool verbose = false);
 610   static size_t lasterror(char *buf, size_t len);
 611   static int get_last_error();
 612 
 613   // Determines whether the calling process is being debugged by a user-mode debugger.
 614   static bool is_debugger_attached();
 615 
 616   // wait for a key press if PauseAtExit is set
 617   static void wait_for_keypress_at_exit(void);
 618 
 619   // The following two functions are used by fatal error handler to trace
 620   // native (C) frames. They are not part of frame.hpp/frame.cpp because
 621   // frame.hpp/cpp assume thread is JavaThread, and also because different
 622   // OS/compiler may have different convention or provide different API to
 623   // walk C frames.
 624   //
 625   // We don't attempt to become a debugger, so we only follow frames if that
 626   // does not require a lookup in the unwind table, which is part of the binary
 627   // file but may be unsafe to read after a fatal error. So on x86, we can