/* Copyright (c) 2001, 2011, Oracle and/or its affiliates. Copyright (c) 2020, MariaDB Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program 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 for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ #ifndef _my_stacktrace_h_ #define _my_stacktrace_h_ #ifdef TARGET_OS_LINUX #if defined (__x86_64__) || defined (__i386__) || \ (defined(__alpha__) && defined(__GNUC__)) #define HAVE_STACKTRACE 1 #endif #elif defined(_WIN32) || defined(HAVE_PRINTSTACK) #define HAVE_STACKTRACE 1 #endif #if HAVE_BACKTRACE && (HAVE_BACKTRACE_SYMBOLS || HAVE_BACKTRACE_SYMBOLS_FD) #undef HAVE_STACKTRACE #define HAVE_STACKTRACE 1 #endif #define HAVE_WRITE_CORE #if HAVE_BACKTRACE && HAVE_BACKTRACE_SYMBOLS && HAVE_ABI_CXA_DEMANGLE && \ HAVE_WEAK_SYMBOL #define BACKTRACE_DEMANGLE 1 #endif C_MODE_START #if defined(HAVE_STACKTRACE) || defined(HAVE_BACKTRACE) void my_print_stacktrace(uchar* stack_bottom, ulong thread_stack, my_bool silent); int my_safe_print_str(const char* val, size_t max_len); void my_write_core(int sig); # if BACKTRACE_DEMANGLE char *my_demangle(const char *mangled_name, int *status); # endif /* BACKTRACE_DEMANGLE */ # ifdef _WIN32 # define my_setup_stacktrace() void my_set_exception_pointers(EXCEPTION_POINTERS *ep); # else void my_setup_stacktrace(void); # endif /* _WIN32 */ #else # define my_setup_stacktrace() #endif /* ! (defined(HAVE_STACKTRACE) || defined(HAVE_BACKTRACE)) */ #ifndef _WIN32 #define MY_ADDR_RESOLVE_FORK #endif #if defined(HAVE_BFD_H) || defined(MY_ADDR_RESOLVE_FORK) #define HAVE_MY_ADDR_RESOLVE 1 #endif typedef struct { const char *file; const char *func; uint line; } my_addr_loc; #ifdef HAVE_MY_ADDR_RESOLVE int my_addr_resolve(void *ptr, my_addr_loc *loc); const char *my_addr_resolve_init(); #else #define my_addr_resolve_init() (0) #define my_addr_resolve(A,B) (1) #endif #ifdef HAVE_WRITE_CORE void my_write_core(int sig); #endif /** A (very) limited version of snprintf, which writes the result to STDERR. @sa my_safe_snprintf Implemented with simplicity, and async-signal-safety in mind. @note Has an internal buffer capacity of 512 bytes, which should suffice for our signal handling routines. */ size_t my_safe_printf_stderr(const char* fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2); /** Writes up to count bytes from buffer to STDERR. Implemented with simplicity, and async-signal-safety in mind. @param buf Buffer containing data to be written. @param count Number of bytes to write. @returns Number of bytes written. */ size_t my_write_stderr(const void *buf, size_t count); C_MODE_END #endif /* _my_stacktrace_h_ */ SIMPAN PERUBAHAN