X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/97774044e527e50a00dddb17e2464f92af7d07f1..5daf43327dc8fce985687f6306daa762ec07a4b6:/src/xbt/backtrace_windows.c diff --git a/src/xbt/backtrace_windows.c b/src/xbt/backtrace_windows.c index 1537eba542..85b8b9927b 100644 --- a/src/xbt/backtrace_windows.c +++ b/src/xbt/backtrace_windows.c @@ -17,60 +17,64 @@ #include /* Pointer function to SymInitialize() */ -typedef BOOL (WINAPI *xbt_pfn_sym_initialize_t)(HANDLE, PSTR , BOOL); +typedef BOOL(WINAPI * xbt_pfn_sym_initialize_t) (HANDLE, PSTR, BOOL); /* Pointer function to SymCleanup() */ -typedef BOOL (WINAPI *xbt_pfn_sym_cleanup_t)(HANDLE hProcess); +typedef BOOL(WINAPI * xbt_pfn_sym_cleanup_t) (HANDLE hProcess); /* Pointer function to SymFunctionTableAccess() */ -typedef PVOID (WINAPI *xbt_pfn_sym_function_table_access_t)(HANDLE, DWORD); +typedef PVOID(WINAPI * xbt_pfn_sym_function_table_access_t) (HANDLE, DWORD); /* Pointer function to SymGetLineFromAddr() */ -typedef BOOL (WINAPI *xbt_pfn_sym_get_line_from_addr_t)(HANDLE, DWORD, PDWORD , PIMAGEHLP_LINE); +typedef BOOL(WINAPI * xbt_pfn_sym_get_line_from_addr_t) (HANDLE, DWORD, + PDWORD, + PIMAGEHLP_LINE); /* Pointer function to SymGetModuleBase() */ -typedef DWORD (WINAPI *xbt_pfn_sym_get_module_base_t)(HANDLE,DWORD); +typedef DWORD(WINAPI * xbt_pfn_sym_get_module_base_t) (HANDLE, DWORD); /* Pointer function to SymGetOptions() */ -typedef DWORD (WINAPI *xbt_pfn_sym_get_options_t)(VOID); +typedef DWORD(WINAPI * xbt_pfn_sym_get_options_t) (VOID); /* Pointer function to SymGetSymFromAddr() */ -typedef BOOL (WINAPI *xbt_pfn_sym_get_sym_from_addr_t)(HANDLE, DWORD, PDWORD , OUT PIMAGEHLP_SYMBOL); +typedef BOOL(WINAPI * xbt_pfn_sym_get_sym_from_addr_t) (HANDLE, DWORD, PDWORD, + OUT PIMAGEHLP_SYMBOL); /* Pointer function to SymSetOptions() */ -typedef DWORD (WINAPI *xbt_pfn_sym_set_options_t)(DWORD); +typedef DWORD(WINAPI * xbt_pfn_sym_set_options_t) (DWORD); /* Pointer function to StackWalk() */ -typedef BOOL (WINAPI *xbt_pfn_stack_walk_t)(DWORD, HANDLE, HANDLE ,LPSTACKFRAME, PVOID,PREAD_PROCESS_MEMORY_ROUTINE, PFUNCTION_TABLE_ACCESS_ROUTINE, PGET_MODULE_BASE_ROUTINE, PTRANSLATE_ADDRESS_ROUTINE); +typedef BOOL(WINAPI * xbt_pfn_stack_walk_t) (DWORD, HANDLE, HANDLE, + LPSTACKFRAME, PVOID, + PREAD_PROCESS_MEMORY_ROUTINE, + PFUNCTION_TABLE_ACCESS_ROUTINE, + PGET_MODULE_BASE_ROUTINE, + PTRANSLATE_ADDRESS_ROUTINE); /* This structure represents the debug_help library used interface */ -typedef struct s_xbt_debug_help -{ - HINSTANCE instance; - HANDLE process_handle; - xbt_pfn_sym_initialize_t sym_initialize; - xbt_pfn_sym_cleanup_t sym_cleanup; - xbt_pfn_sym_function_table_access_t sym_function_table_access; - xbt_pfn_sym_get_line_from_addr_t sym_get_line_from_addr; - xbt_pfn_sym_get_module_base_t sym_get_module_base; - xbt_pfn_sym_get_options_t sym_get_options; - xbt_pfn_sym_get_sym_from_addr_t sym_get_sym_from_addr; - xbt_pfn_sym_set_options_t sym_set_options; - xbt_pfn_stack_walk_t stack_walk; -}s_xbt_debug_hlp_t,* xbt_debug_hlp_t; +typedef struct s_xbt_debug_help { + HINSTANCE instance; + HANDLE process_handle; + xbt_pfn_sym_initialize_t sym_initialize; + xbt_pfn_sym_cleanup_t sym_cleanup; + xbt_pfn_sym_function_table_access_t sym_function_table_access; + xbt_pfn_sym_get_line_from_addr_t sym_get_line_from_addr; + xbt_pfn_sym_get_module_base_t sym_get_module_base; + xbt_pfn_sym_get_options_t sym_get_options; + xbt_pfn_sym_get_sym_from_addr_t sym_get_sym_from_addr; + xbt_pfn_sym_set_options_t sym_set_options; + xbt_pfn_stack_walk_t stack_walk; +} s_xbt_debug_hlp_t, *xbt_debug_hlp_t; /* the address to the unique reference to the debug help library interface */ -static xbt_debug_hlp_t -dbg_hlp = NULL; +static xbt_debug_hlp_t dbg_hlp = NULL; /* initialize the debug help library */ -static int -dbg_hlp_init(HANDLE process_handle); +static int dbg_hlp_init(HANDLE process_handle); /* finalize the debug help library */ -static int -dbg_hlp_finalize(void); +static int dbg_hlp_finalize(void); /* * backtrace() function. @@ -86,8 +90,7 @@ dbg_hlp_finalize(void); * sure that buffer and size are large enough. */ -int -backtrace (void **buffer, int size); +int backtrace(void **buffer, int size); /* * backtrace_symbols() function. @@ -96,341 +99,331 @@ backtrace (void **buffer, int size); * trace_symbols() translates the addresses into an array of strings containing * the name, the source file and the line number or the las called functions. */ -char ** -backtrace_symbols (void *const *buffer, int size); - -void xbt_ex_setup_backtrace(xbt_ex_t *e) { -int i; -char **backtrace_syms = backtrace_symbols (e->bt, e->used); - - e->used = backtrace((void**)e->bt,XBT_BACKTRACE_SIZE); +char **backtrace_symbols(void *const *buffer, int size); + +void xbt_ex_setup_backtrace(xbt_ex_t * e) +{ + int i; + char **backtrace_syms = backtrace_symbols(e->bt, e->used); + + e->used = backtrace((void **) e->bt, XBT_BACKTRACE_SIZE); e->bt_strings = NULL; /* parse the output and build a new backtrace */ - e->bt_strings = xbt_new(char*,e->used); - + e->bt_strings = xbt_new(char *, e->used); - for(i=0; iused; i++) - { - e->bt_strings[i] = xbt_strdup(backtrace_syms[i]); - free(backtrace_syms[i]); + + for (i = 0; i < e->used; i++) { + e->bt_strings[i] = xbt_strdup(backtrace_syms[i]); + free(backtrace_syms[i]); } - + free(backtrace_syms); -} +} -int -backtrace (void **buffer, int size) +int backtrace(void **buffer, int size) { - int pos = 0; - STACKFRAME* stack_frame; - int first = 1; - - IMAGEHLP_SYMBOL * pSym; - unsigned long offset = 0; - IMAGEHLP_LINE line_info = {0}; - byte __buffer[(sizeof(SYMBOL_INFO) +MAX_SYM_NAME * sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)]; - - CONTEXT context = {CONTEXT_FULL}; - GetThreadContext(GetCurrentThread(), &context); - - /* ebp points on stack base */ - /* esp points on stack pointer, ie on last stacked element (current element) */ - _asm call $+5 - _asm pop eax - _asm mov context.Eip, eax - _asm mov eax, esp - _asm mov context.Esp, eax - _asm mov context.Ebp, ebp - - dbg_hlp_init(GetCurrentProcess()); - - if((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) - { - errno = EINVAL; - return 0; - } - - for(pos = 0; pos < size; pos++) - buffer[pos] = NULL; - - pos = 0; - - pSym = (IMAGEHLP_SYMBOL*)__buffer; - - pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL); - pSym->MaxNameLength = MAX_SYM_NAME; - - - line_info.SizeOfStruct = sizeof(IMAGEHLP_LINE); - - - while(pos < size) - { - stack_frame = (void*)xbt_new0(STACKFRAME,1); - - if(!stack_frame) - { - errno = ENOMEM; - break; - } - - stack_frame->AddrPC.Offset = context.Eip; - stack_frame->AddrPC.Mode = AddrModeFlat; - - stack_frame->AddrFrame.Offset = context.Ebp; - stack_frame->AddrFrame.Mode = AddrModeFlat; - - stack_frame->AddrStack.Offset = context.Esp; - stack_frame->AddrStack.Mode = AddrModeFlat; - - if((*(dbg_hlp->stack_walk))( - IMAGE_FILE_MACHINE_I386, - dbg_hlp->process_handle, - GetCurrentThread(), - stack_frame, - &context, - NULL, - dbg_hlp->sym_function_table_access, - dbg_hlp->sym_get_module_base, - NULL) - && !first) - { - if(stack_frame->AddrReturn.Offset) - { - - if((*(dbg_hlp->sym_get_sym_from_addr))(dbg_hlp->process_handle,stack_frame->AddrPC.Offset, &offset,pSym)) - { - if((*(dbg_hlp->sym_get_line_from_addr))(dbg_hlp->process_handle,stack_frame->AddrPC.Offset, &offset,&line_info)) - buffer[pos++] = (void*)stack_frame; - } - } - else - { - free(stack_frame); /* no symbol or no line info */ - break; - } - } - else - { - free(stack_frame); - - if(first) - first = 0; - else - break; - } + int pos = 0; + STACKFRAME *stack_frame; + int first = 1; + + IMAGEHLP_SYMBOL *pSym; + unsigned long offset = 0; + IMAGEHLP_LINE line_info = { 0 }; + byte + __buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) + + sizeof(ULONG64) - 1) / sizeof(ULONG64)]; + + CONTEXT context = { CONTEXT_FULL }; + GetThreadContext(GetCurrentThread(), &context); + + /* ebp points on stack base */ + /* esp points on stack pointer, ie on last stacked element (current element) */ + _asm call $ + 5 + _asm pop eax + _asm mov context.Eip, eax + _asm mov eax, esp + _asm mov context.Esp, eax + _asm mov context.Ebp, ebp + + dbg_hlp_init(GetCurrentProcess()); + + if ((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) { + errno = EINVAL; + return 0; + } + + for (pos = 0; pos < size; pos++) + buffer[pos] = NULL; + + pos = 0; + + pSym = (IMAGEHLP_SYMBOL *) __buffer; + + pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL); + pSym->MaxNameLength = MAX_SYM_NAME; + + + line_info.SizeOfStruct = sizeof(IMAGEHLP_LINE); + + + while (pos < size) { + stack_frame = (void *) xbt_new0(STACKFRAME, 1); + + stack_frame->AddrPC.Offset = context.Eip; + stack_frame->AddrPC.Mode = AddrModeFlat; + + stack_frame->AddrFrame.Offset = context.Ebp; + stack_frame->AddrFrame.Mode = AddrModeFlat; + + stack_frame->AddrStack.Offset = context.Esp; + stack_frame->AddrStack.Mode = AddrModeFlat; + + if ((*(dbg_hlp->stack_walk)) (IMAGE_FILE_MACHINE_I386, + dbg_hlp->process_handle, + GetCurrentThread(), + stack_frame, + &context, + NULL, + dbg_hlp->sym_function_table_access, + dbg_hlp->sym_get_module_base, NULL) + && !first) { + if (stack_frame->AddrReturn.Offset) { + + if ((*(dbg_hlp->sym_get_sym_from_addr)) + (dbg_hlp->process_handle, stack_frame->AddrPC.Offset, &offset, + pSym)) { + if ((*(dbg_hlp->sym_get_line_from_addr)) + (dbg_hlp->process_handle, stack_frame->AddrPC.Offset, &offset, + &line_info)) + buffer[pos++] = (void *) stack_frame; + } + } else { + free(stack_frame); /* no symbol or no line info */ + break; + } + } else { + free(stack_frame); + + if (first) + first = 0; + else + break; } + } - return pos; + return pos; } -char ** -backtrace_symbols (void *const *buffer, int size) +char **backtrace_symbols(void *const *buffer, int size) { - int pos; - int success = 0; - char** strings; - STACKFRAME* stack_frame; - IMAGEHLP_SYMBOL * pSym; - unsigned long offset = 0; - IMAGEHLP_LINE line_info = {0}; - IMAGEHLP_MODULE module = {0}; - byte __buffer[(sizeof(SYMBOL_INFO) +MAX_SYM_NAME * sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)]; - - if((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) - { - errno = EINVAL; - return NULL; - } - - strings = xbt_new0(char*,size); - - if(NULL == strings) - { - errno = ENOMEM; - return NULL; - } - - pSym = (IMAGEHLP_SYMBOL*)__buffer; - - pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL); - pSym->MaxNameLength = MAX_SYM_NAME; - - - line_info.SizeOfStruct = sizeof(IMAGEHLP_LINE); - module.SizeOfStruct = sizeof(IMAGEHLP_MODULE); - - for(pos = 0; pos < size; pos++) - { - stack_frame = (STACKFRAME*)(buffer[pos]); - - if(NULL != stack_frame) - { - - if((*(dbg_hlp->sym_get_sym_from_addr))(dbg_hlp->process_handle,stack_frame->AddrPC.Offset, &offset,pSym)) - { - if((*(dbg_hlp->sym_get_line_from_addr))(dbg_hlp->process_handle,stack_frame->AddrPC.Offset, &offset,&line_info)) - { - strings[pos] = bprintf("** In %s() at %s:%d", pSym->Name,line_info.FileName,line_info.LineNumber); - } - else - { - strings[pos] = bprintf("** In %s()", pSym->Name); - } - success = 1; - } - else - { - strings[pos] = xbt_strdup("** "); - } - - free(stack_frame); - } - else - break; - } - - if(!success) - { - free(strings); - strings = NULL; - } - - dbg_hlp_finalize(); - - return strings; + int pos; + int success = 0; + char **strings; + STACKFRAME *stack_frame; + IMAGEHLP_SYMBOL *pSym; + unsigned long offset = 0; + IMAGEHLP_LINE line_info = { 0 }; + IMAGEHLP_MODULE module = { 0 }; + byte + __buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) + + sizeof(ULONG64) - 1) / sizeof(ULONG64)]; + + if ((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) { + errno = EINVAL; + return NULL; + } + + strings = xbt_new0(char *, size); + + pSym = (IMAGEHLP_SYMBOL *) __buffer; + + pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL); + pSym->MaxNameLength = MAX_SYM_NAME; + + + line_info.SizeOfStruct = sizeof(IMAGEHLP_LINE); + module.SizeOfStruct = sizeof(IMAGEHLP_MODULE); + + for (pos = 0; pos < size; pos++) { + stack_frame = (STACKFRAME *) (buffer[pos]); + + if (NULL != stack_frame) { + + if ((*(dbg_hlp->sym_get_sym_from_addr)) + (dbg_hlp->process_handle, stack_frame->AddrPC.Offset, &offset, + pSym)) { + if ((*(dbg_hlp->sym_get_line_from_addr)) + (dbg_hlp->process_handle, stack_frame->AddrPC.Offset, &offset, + &line_info)) { + strings[pos] = + bprintf("** In %s() at %s:%d", pSym->Name, line_info.FileName, + line_info.LineNumber); + } else { + strings[pos] = bprintf("** In %s()", pSym->Name); + } + success = 1; + } else { + strings[pos] = xbt_strdup("** "); + } + + free(stack_frame); + } else + break; + } + + if (!success) { + free(strings); + strings = NULL; + } + + dbg_hlp_finalize(); + + return strings; } -static int -dbg_hlp_init(HANDLE process_handle) +static int dbg_hlp_init(HANDLE process_handle) { - if(dbg_hlp) - { - /* debug help is already loaded */ - return 0; - } - - /* allocation */ - dbg_hlp = xbt_new0(s_xbt_debug_hlp_t,1); - - if(!dbg_hlp) - return ENOMEM; - - /* load the library */ - dbg_hlp->instance = LoadLibraryA("Dbghelp.dll"); - - if(!(dbg_hlp->instance)) - { - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - /* get the pointers to debug help library exported functions */ - - if(!((dbg_hlp->sym_initialize) = (xbt_pfn_sym_initialize_t)GetProcAddress(dbg_hlp->instance,"SymInitialize"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_cleanup) = (xbt_pfn_sym_cleanup_t)GetProcAddress(dbg_hlp->instance,"SymCleanup"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_function_table_access) = (xbt_pfn_sym_function_table_access_t)GetProcAddress(dbg_hlp->instance,"SymFunctionTableAccess"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_get_line_from_addr) = (xbt_pfn_sym_get_line_from_addr_t)GetProcAddress(dbg_hlp->instance,"SymGetLineFromAddr"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_get_module_base) = (xbt_pfn_sym_get_module_base_t)GetProcAddress(dbg_hlp->instance,"SymGetModuleBase"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_get_options) = (xbt_pfn_sym_get_options_t)GetProcAddress(dbg_hlp->instance,"SymGetOptions"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_get_sym_from_addr) = (xbt_pfn_sym_get_sym_from_addr_t)GetProcAddress(dbg_hlp->instance,"SymGetSymFromAddr"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->sym_set_options) = (xbt_pfn_sym_set_options_t)GetProcAddress(dbg_hlp->instance,"SymSetOptions"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - if(!((dbg_hlp->stack_walk) = (xbt_pfn_stack_walk_t)GetProcAddress(dbg_hlp->instance,"StackWalk"))) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - dbg_hlp->process_handle = process_handle; - - (*(dbg_hlp->sym_set_options))((*(dbg_hlp->sym_get_options))() | SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS); - - if(!(*(dbg_hlp->sym_initialize))(dbg_hlp->process_handle,0,1)) - { - FreeLibrary(dbg_hlp->instance); - free(dbg_hlp); - dbg_hlp = NULL; - return (int)GetLastError(); - } - - - return 0; + if (dbg_hlp) { + /* debug help is already loaded */ + return 0; + } + + /* allocation */ + dbg_hlp = xbt_new0(s_xbt_debug_hlp_t, 1); + + /* load the library */ + dbg_hlp->instance = LoadLibraryA("Dbghelp.dll"); + + if (!(dbg_hlp->instance)) { + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + /* get the pointers to debug help library exported functions */ + + if (! + ((dbg_hlp->sym_initialize) = + (xbt_pfn_sym_initialize_t) GetProcAddress(dbg_hlp->instance, + "SymInitialize"))) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_cleanup) = + (xbt_pfn_sym_cleanup_t) GetProcAddress(dbg_hlp->instance, + "SymCleanup"))) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_function_table_access) = + (xbt_pfn_sym_function_table_access_t) GetProcAddress(dbg_hlp->instance, + "SymFunctionTableAccess"))) + { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_get_line_from_addr) = + (xbt_pfn_sym_get_line_from_addr_t) GetProcAddress(dbg_hlp->instance, + "SymGetLineFromAddr"))) + { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_get_module_base) = + (xbt_pfn_sym_get_module_base_t) GetProcAddress(dbg_hlp->instance, + "SymGetModuleBase"))) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_get_options) = + (xbt_pfn_sym_get_options_t) GetProcAddress(dbg_hlp->instance, + "SymGetOptions"))) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_get_sym_from_addr) = + (xbt_pfn_sym_get_sym_from_addr_t) GetProcAddress(dbg_hlp->instance, + "SymGetSymFromAddr"))) + { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->sym_set_options) = + (xbt_pfn_sym_set_options_t) GetProcAddress(dbg_hlp->instance, + "SymSetOptions"))) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + if (! + ((dbg_hlp->stack_walk) = + (xbt_pfn_stack_walk_t) GetProcAddress(dbg_hlp->instance, + "StackWalk"))) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + dbg_hlp->process_handle = process_handle; + + (*(dbg_hlp->sym_set_options)) ((*(dbg_hlp->sym_get_options)) () | + SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS); + + if (!(*(dbg_hlp->sym_initialize)) (dbg_hlp->process_handle, 0, 1)) { + FreeLibrary(dbg_hlp->instance); + free(dbg_hlp); + dbg_hlp = NULL; + return (int) GetLastError(); + } + + + return 0; } -static int -dbg_hlp_finalize(void) +static int dbg_hlp_finalize(void) { - if(!dbg_hlp) - return EINVAL; - - if(!(*(dbg_hlp->sym_cleanup))(dbg_hlp->process_handle)) - return (int)GetLastError(); - - if(!FreeLibrary(dbg_hlp->instance)) - return (int)GetLastError(); - - free(dbg_hlp); - dbg_hlp = NULL; - - return 0; -} + if (!dbg_hlp) + return EINVAL; + if (!(*(dbg_hlp->sym_cleanup)) (dbg_hlp->process_handle)) + return (int) GetLastError(); + + if (!FreeLibrary(dbg_hlp->instance)) + return (int) GetLastError(); + + free(dbg_hlp); + dbg_hlp = NULL; + + return 0; +}