diff options
Diffstat (limited to 'src/debug/debug_new.cpp')
| -rw-r--r-- | src/debug/debug_new.cpp | 182 |
1 files changed, 91 insertions, 91 deletions
diff --git a/src/debug/debug_new.cpp b/src/debug/debug_new.cpp index 9e30d30d9..fb83cab4a 100644 --- a/src/debug/debug_new.cpp +++ b/src/debug/debug_new.cpp @@ -62,49 +62,49 @@ #endif /** - * @def _DEBUG_NEW_ALIGNMENT + * @def M_DEBUG_NEW_ALIGNMENT * * The alignment requirement of allocated memory blocks. It must be a * power of two. */ -#ifndef _DEBUG_NEW_ALIGNMENT -#define _DEBUG_NEW_ALIGNMENT 16 +#ifndef M_DEBUG_NEW_ALIGNMENT +#define M_DEBUG_NEW_ALIGNMENT 16 #endif /** - * @def _DEBUG_NEW_CALLER_ADDRESS + * @def M_DEBUG_NEW_CALLER_ADDRESS * * The expression to return the caller address. #print_position will * later on use this address to print the position information of memory * operation points. */ -#ifndef _DEBUG_NEW_CALLER_ADDRESS +#ifndef M_DEBUG_NEW_CALLER_ADDRESS #ifdef __GNUC__ -#define _DEBUG_NEW_CALLER_ADDRESS __builtin_return_address(0) +#define M_DEBUG_NEW_CALLER_ADDRESS __builtin_return_address(0) #else -#define _DEBUG_NEW_CALLER_ADDRESS NULL +#define M_DEBUG_NEW_CALLER_ADDRESS NULL #endif #endif /** - * @def _DEBUG_NEW_ERROR_ACTION + * @def M_DEBUG_NEW_ERROR_ACTION * * The action to take when an error occurs. The default behaviour is to - * call \e abort, unless \c _DEBUG_NEW_ERROR_CRASH is defined, in which + * call \e abort, unless \c M_DEBUG_NEW_ERROR_CRASH is defined, in which * case a segmentation fault will be triggered instead (which can be * useful on platforms like Windows that do not generate a core dump * when \e abort is called). */ -#ifndef _DEBUG_NEW_ERROR_ACTION -#ifndef _DEBUG_NEW_ERROR_CRASH -#define _DEBUG_NEW_ERROR_ACTION abort() +#ifndef M_DEBUG_NEW_ERROR_ACTION +#ifndef M_DEBUG_NEW_ERROR_CRASH +#define M_DEBUG_NEW_ERROR_ACTION abort() #else -#define _DEBUG_NEW_ERROR_ACTION do { *((char*)0) = 0; abort(); } while (0) +#define M_DEBUG_NEW_ERROR_ACTION do { *((char*)0) = 0; abort(); } while (0) #endif #endif /** - * @def _DEBUG_NEW_FILENAME_LEN + * @def M_DEBUG_NEW_FILENAME_LEN * * The length of file name stored if greater than zero. If it is zero, * only a const char pointer will be stored. Currently the default @@ -114,70 +114,70 @@ * name in a shared library after a \c SIGINT). The current default * value makes the size of new_ptr_list_t 64 on 32-bit platforms. */ -#ifndef _DEBUG_NEW_FILENAME_LEN -#define _DEBUG_NEW_FILENAME_LEN 100 +#ifndef M_DEBUG_NEW_FILENAME_LEN +#define M_DEBUG_NEW_FILENAME_LEN 100 #endif /** - * @def _DEBUG_NEW_PROGNAME + * @def M_DEBUG_NEW_PROGNAME * * The program (executable) name to be set at compile time. It is * better to assign the full program path to #new_progname in \e main * (at run time) than to use this (compile-time) macro, but this macro * serves well as a quick hack. Note also that double quotation marks * need to be used around the program name, i.e., one should specify a - * command-line option like <code>-D_DEBUG_NEW_PROGNAME=\"a.out\"</code> - * in \e bash, or <code>-D_DEBUG_NEW_PROGNAME=\"a.exe\"</code> in the + * command-line option like <code>-DM_DEBUG_NEW_PROGNAME=\"a.out\"</code> + * in \e bash, or <code>-DM_DEBUG_NEW_PROGNAME=\"a.exe\"</code> in the * Windows command prompt. */ -#ifndef _DEBUG_NEW_PROGNAME -#define _DEBUG_NEW_PROGNAME NULL +#ifndef M_DEBUG_NEW_PROGNAME +#define M_DEBUG_NEW_PROGNAME NULL #endif /** - * @def _DEBUG_NEW_STD_OPER_NEW + * @def M_DEBUG_NEW_STD_OPER_NEW * * Macro to indicate whether the standard-conformant behaviour of * <code>operator new</code> is wanted. It is on by default now, but * the user may set it to \c 0 to revert to the old behaviour. */ -#ifndef _DEBUG_NEW_STD_OPER_NEW -#define _DEBUG_NEW_STD_OPER_NEW 1 +#ifndef M_DEBUG_NEW_STD_OPER_NEW +#define M_DEBUG_NEW_STD_OPER_NEW 1 #endif /** - * @def _DEBUG_NEW_TAILCHECK + * @def M_DEBUG_NEW_TAILCHECK * * Macro to indicate whether a writing-past-end check will be performed. * Define it to a positive integer as the number of padding bytes at the * end of a memory block for checking. */ -#ifndef _DEBUG_NEW_TAILCHECK -#define _DEBUG_NEW_TAILCHECK 0 +#ifndef M_DEBUG_NEW_TAILCHECK +#define M_DEBUG_NEW_TAILCHECK 0 #endif /** - * @def _DEBUG_NEW_TAILCHECK_CHAR + * @def M_DEBUG_NEW_TAILCHECK_CHAR * * Value of the padding bytes at the end of a memory block. */ -#ifndef _DEBUG_NEW_TAILCHECK_CHAR -#define _DEBUG_NEW_TAILCHECK_CHAR 0xCC +#ifndef M_DEBUG_NEW_TAILCHECK_CHAR +#define M_DEBUG_NEW_TAILCHECK_CHAR 0xCC #endif /** - * @def _DEBUG_NEW_USE_ADDR2LINE + * @def M_DEBUG_NEW_USE_ADDR2LINE * * Whether to use \e addr2line to convert a caller address to file/line * information. Defining it to a non-zero value will enable the * conversion (automatically done if GCC is detected). Defining it to * zero will disable the conversion. */ -#ifndef _DEBUG_NEW_USE_ADDR2LINE +#ifndef M_DEBUG_NEW_USE_ADDR2LINE #ifdef __GNUC__ -#define _DEBUG_NEW_USE_ADDR2LINE 1 +#define M_DEBUG_NEW_USE_ADDR2LINE 1 #else -#define _DEBUG_NEW_USE_ADDR2LINE 0 +#define M_DEBUG_NEW_USE_ADDR2LINE 0 #endif #endif @@ -187,20 +187,20 @@ #pragma init_seg(lib) #endif -#undef _DEBUG_NEW_EMULATE_MALLOC -#undef _DEBUG_NEW_REDEFINE_NEW +#undef M_DEBUG_NEW_EMULATE_MALLOC +#undef M_DEBUG_NEW_REDEFINE_NEW /** * Macro to indicate whether redefinition of \c new is wanted. Here it * is defined to \c 0 to disable the redefinition of \c new. */ -#define _DEBUG_NEW_REDEFINE_NEW 0 +#define M_DEBUG_NEW_REDEFINE_NEW 0 #include "debug_new.h" /** * Gets the aligned value of memory block size. */ #define align(s) \ - (((s) + _DEBUG_NEW_ALIGNMENT - 1) & ~(_DEBUG_NEW_ALIGNMENT - 1)) + (((s) + M_DEBUG_NEW_ALIGNMENT - 1) & ~(M_DEBUG_NEW_ALIGNMENT - 1)) /** * Structure to store the position information where \c new occurs. @@ -212,10 +212,10 @@ struct new_ptr_list_t size_t size; union { -#if _DEBUG_NEW_FILENAME_LEN == 0 +#if M_DEBUG_NEW_FILENAME_LEN == 0 const char* file; #else - char file[_DEBUG_NEW_FILENAME_LEN]; + char file[M_DEBUG_NEW_FILENAME_LEN]; #endif void* addr; }; @@ -244,7 +244,7 @@ static new_ptr_list_t new_ptr_list = &new_ptr_list, 0, { -#if _DEBUG_NEW_FILENAME_LEN == 0 +#if M_DEBUG_NEW_FILENAME_LEN == 0 NULL #else "" @@ -291,15 +291,15 @@ FILE* new_output_fp = stderr; /** * Pointer to the program name. Its initial value is the macro - * #_DEBUG_NEW_PROGNAME. You should try to assign the program path to + * #M_DEBUG_NEW_PROGNAME. You should try to assign the program path to * it early in your application. Assigning <code>argv[0]</code> to it * in \e main is one way. If you use \e bash or \e ksh (or similar), * the following statement is probably what you want: * `<code>new_progname = getenv("_");</code>'. */ -const char* new_progname = _DEBUG_NEW_PROGNAME; +const char* new_progname = M_DEBUG_NEW_PROGNAME; -#if _DEBUG_NEW_USE_ADDR2LINE +#if M_DEBUG_NEW_USE_ADDR2LINE /** * Tries printing the position information from an instruction address. * This is the version that uses \e addr2line. @@ -397,11 +397,11 @@ static bool print_position_from_addr(const void*) { return false; } -#endif // _DEBUG_NEW_USE_ADDR2LINE +#endif // M_DEBUG_NEW_USE_ADDR2LINE /** * Prints the position information of a memory operation point. When \c - * _DEBUG_NEW_USE_ADDR2LINE is defined to a non-zero value, this + * M_DEBUG_NEW_USE_ADDR2LINE is defined to a non-zero value, this * function will try to convert a given caller address to file/line * information with \e addr2line. * @@ -427,7 +427,7 @@ static void print_position(const void* ptr, int line) } } -#if _DEBUG_NEW_TAILCHECK +#if M_DEBUG_NEW_TAILCHECK /** * Checks whether the padding bytes at the end of a memory block is * tampered with. @@ -440,9 +440,9 @@ static bool check_tail(new_ptr_list_t* ptr) { const unsigned char* const pointer = (unsigned char*)ptr + ALIGNED_LIST_ITEM_SIZE + ptr->size; - for (int i = 0; i < _DEBUG_NEW_TAILCHECK; ++i) + for (int i = 0; i < M_DEBUG_NEW_TAILCHECK; ++i) { - if (pointer[i] != _DEBUG_NEW_TAILCHECK_CHAR) + if (pointer[i] != M_DEBUG_NEW_TAILCHECK_CHAR) return false; } return true; @@ -462,14 +462,14 @@ static bool check_tail(new_ptr_list_t* ptr) static void* alloc_mem(size_t size, const char* file, int line, bool is_array) { assert(line >= 0); - STATIC_ASSERT((_DEBUG_NEW_ALIGNMENT & (_DEBUG_NEW_ALIGNMENT - 1)) == 0, + STATIC_ASSERT((M_DEBUG_NEW_ALIGNMENT & (M_DEBUG_NEW_ALIGNMENT - 1)) == 0, Alignment_must_be_power_of_two); - STATIC_ASSERT(_DEBUG_NEW_TAILCHECK >= 0, Invalid_tail_check_length); - size_t s = size + ALIGNED_LIST_ITEM_SIZE + _DEBUG_NEW_TAILCHECK; + STATIC_ASSERT(M_DEBUG_NEW_TAILCHECK >= 0, Invalid_tail_check_length); + size_t s = size + ALIGNED_LIST_ITEM_SIZE + M_DEBUG_NEW_TAILCHECK; new_ptr_list_t* ptr = (new_ptr_list_t*)malloc(s); if (ptr == NULL) { -#if _DEBUG_NEW_STD_OPER_NEW +#if M_DEBUG_NEW_STD_OPER_NEW return NULL; #else fast_mutex_autolock lock(new_output_lock); @@ -477,17 +477,17 @@ static void* alloc_mem(size_t size, const char* file, int line, bool is_array) "Out of memory when allocating %u bytes\n", size); fflush(new_output_fp); - _DEBUG_NEW_ERROR_ACTION; + M_DEBUG_NEW_ERROR_ACTION; #endif } void* pointer = (char*)ptr + ALIGNED_LIST_ITEM_SIZE; -#if _DEBUG_NEW_FILENAME_LEN == 0 +#if M_DEBUG_NEW_FILENAME_LEN == 0 ptr->file = file; #else if (line) { - strncpy(ptr->file, file, _DEBUG_NEW_FILENAME_LEN - 1) - [_DEBUG_NEW_FILENAME_LEN - 1] = '\0'; + strncpy(ptr->file, file, M_DEBUG_NEW_FILENAME_LEN - 1) + [M_DEBUG_NEW_FILENAME_LEN - 1] = '\0'; } else { @@ -506,9 +506,9 @@ static void* alloc_mem(size_t size, const char* file, int line, bool is_array) new_ptr_list.prev = ptr; } ptr->dumped = 0; -#if _DEBUG_NEW_TAILCHECK - memset((char*)pointer + size, _DEBUG_NEW_TAILCHECK_CHAR, - _DEBUG_NEW_TAILCHECK); +#if M_DEBUG_NEW_TAILCHECK + memset((char*)pointer + size, M_DEBUG_NEW_TAILCHECK_CHAR, + M_DEBUG_NEW_TAILCHECK); #endif if (new_verbose_flag) { @@ -552,7 +552,7 @@ static void free_pointer(void* pointer, void* addr, bool is_array) } check_mem_corruption(); fflush(new_output_fp); - _DEBUG_NEW_ERROR_ACTION; + M_DEBUG_NEW_ERROR_ACTION; } if (is_array != ptr->is_array) { @@ -575,14 +575,14 @@ static void free_pointer(void* pointer, void* addr, bool is_array) print_position(ptr->addr, ptr->line); fprintf(new_output_fp, "\n"); fflush(new_output_fp); - _DEBUG_NEW_ERROR_ACTION; + M_DEBUG_NEW_ERROR_ACTION; } -#if _DEBUG_NEW_TAILCHECK +#if M_DEBUG_NEW_TAILCHECK if (!check_tail(ptr)) { check_mem_corruption(); fflush(new_output_fp); - _DEBUG_NEW_ERROR_ACTION; + M_DEBUG_NEW_ERROR_ACTION; } #endif { @@ -630,7 +630,7 @@ int check_leaks() "warning: heap data corrupt near %p\n", pointer); } -#if _DEBUG_NEW_TAILCHECK +#if M_DEBUG_NEW_TAILCHECK if (!check_tail(ptr)) { fprintf(new_output_fp, @@ -687,14 +687,14 @@ int check_mem_corruption() { const char* const pointer = (char*)ptr + ALIGNED_LIST_ITEM_SIZE; if (ptr->magic == MAGIC -#if _DEBUG_NEW_TAILCHECK +#if M_DEBUG_NEW_TAILCHECK && check_tail(ptr) #endif ) { continue; } -#if _DEBUG_NEW_TAILCHECK +#if M_DEBUG_NEW_TAILCHECK if (ptr->magic != MAGIC) { #endif @@ -702,7 +702,7 @@ int check_mem_corruption() "Heap data corrupt near %p (size %u, ", pointer, (unsigned)ptr->size); -#if _DEBUG_NEW_TAILCHECK +#if M_DEBUG_NEW_TAILCHECK } else { @@ -738,19 +738,19 @@ void __debug_new_recorder::_M_process(void* pointer) _M_file, _M_line); return; } -#if _DEBUG_NEW_FILENAME_LEN == 0 +#if M_DEBUG_NEW_FILENAME_LEN == 0 ptr->file = _M_file; #else - strncpy(ptr->file, _M_file, _DEBUG_NEW_FILENAME_LEN - 1) - [_DEBUG_NEW_FILENAME_LEN - 1] = '\0'; + strncpy(ptr->file, _M_file, M_DEBUG_NEW_FILENAME_LEN - 1) + [M_DEBUG_NEW_FILENAME_LEN - 1] = '\0'; #endif ptr->line = _M_line; } -void* operator new(size_t size, const char* file, int line) +void* operator new (size_t size, const char* file, int line) { void* ptr = alloc_mem(size, file, line, false); -#if _DEBUG_NEW_STD_OPER_NEW +#if M_DEBUG_NEW_STD_OPER_NEW if (ptr) return ptr; else @@ -760,10 +760,10 @@ void* operator new(size_t size, const char* file, int line) #endif } -void* operator new[](size_t size, const char* file, int line) +void* operator new [](size_t size, const char* file, int line) { void* ptr = alloc_mem(size, file, line, true); -#if _DEBUG_NEW_STD_OPER_NEW +#if M_DEBUG_NEW_STD_OPER_NEW if (ptr) return ptr; else @@ -773,40 +773,40 @@ void* operator new[](size_t size, const char* file, int line) #endif } -void* operator new(size_t size) throw(std::bad_alloc) +void* operator new (size_t size) throw(std::bad_alloc) { - return operator new(size, (char*)_DEBUG_NEW_CALLER_ADDRESS, 0); + return operator new (size, (char*)M_DEBUG_NEW_CALLER_ADDRESS, 0); } -void* operator new[](size_t size) throw(std::bad_alloc) +void* operator new [](size_t size) throw(std::bad_alloc) { - return operator new[](size, (char*)_DEBUG_NEW_CALLER_ADDRESS, 0); + return operator new [](size, (char*)M_DEBUG_NEW_CALLER_ADDRESS, 0); } #if !defined(__BORLANDC__) || __BORLANDC__ > 0x551 -void* operator new(size_t size, const std::nothrow_t&) throw() +void* operator new (size_t size, const std::nothrow_t&) throw() { - return alloc_mem(size, (char*)_DEBUG_NEW_CALLER_ADDRESS, 0, false); + return alloc_mem(size, (char*)M_DEBUG_NEW_CALLER_ADDRESS, 0, false); } -void* operator new[](size_t size, const std::nothrow_t&) throw() +void* operator new [](size_t size, const std::nothrow_t&) throw() { - return alloc_mem(size, (char*)_DEBUG_NEW_CALLER_ADDRESS, 0, true); + return alloc_mem(size, (char*)M_DEBUG_NEW_CALLER_ADDRESS, 0, true); } #endif -void operator delete(void* pointer) throw() +void operator delete (void* pointer) throw() { - free_pointer(pointer, _DEBUG_NEW_CALLER_ADDRESS, false); + free_pointer(pointer, M_DEBUG_NEW_CALLER_ADDRESS, false); } void operator delete [](void* pointer) throw() { - free_pointer(pointer, _DEBUG_NEW_CALLER_ADDRESS, true); + free_pointer(pointer, M_DEBUG_NEW_CALLER_ADDRESS, true); } #if HAVE_PLACEMENT_DELETE -void operator delete(void* pointer, const char* file, int line) throw() +void operator delete (void* pointer, const char* file, int line) throw() { if (new_verbose_flag) { @@ -817,7 +817,7 @@ void operator delete(void* pointer, const char* file, int line) throw() print_position(file, line); fprintf(new_output_fp, ")\n"); } - operator delete(pointer); + operator delete (pointer); } void operator delete [](void* pointer, const char* file, int line) throw() @@ -834,14 +834,14 @@ void operator delete [](void* pointer, const char* file, int line) throw() operator delete [](pointer); } -void operator delete(void* pointer, const std::nothrow_t&) throw() +void operator delete (void* pointer, const std::nothrow_t&) throw() { - operator delete(pointer, (char*)_DEBUG_NEW_CALLER_ADDRESS, 0); + operator delete (pointer, (char*)M_DEBUG_NEW_CALLER_ADDRESS, 0); } void operator delete [](void* pointer, const std::nothrow_t&) throw() { - operator delete [](pointer, (char*)_DEBUG_NEW_CALLER_ADDRESS, 0); + operator delete [](pointer, (char*)M_DEBUG_NEW_CALLER_ADDRESS, 0); } #endif // HAVE_PLACEMENT_DELETE |