/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-/*
+/*
* Win32 (x86) implementation backtrace, backtrace_symbols:
* support for application self-debugging.
*/
#if defined(_XBT_BORLAND_COMPILER) || defined(_XBT_VISUALC_COMPILER)
- /* native windows build */
+/* native windows build */
# include <dbghelp.h>
#else
- /* gcc-based cross-compiling */
+/* gcc-based cross-compiling */
# include "xbt/wine_dbghelp.h"
#endif
/* SymGetLineFromAddr() */
typedef BOOL(WINAPI * fun_get_line_from_addr_t) (HANDLE, DWORD,
- PDWORD,
- PIMAGEHLP_LINE);
+ PDWORD,
+ PIMAGEHLP_LINE);
static fun_get_line_from_addr_t fun_get_line_from_addr;
/* SymGetModuleBase() */
/* Pointer function to SymGetSymFromAddr() */
typedef BOOL(WINAPI *fun_get_sym_from_addr_t) (HANDLE, DWORD, PDWORD,
- OUT PIMAGEHLP_SYMBOL);
+ OUT PIMAGEHLP_SYMBOL);
static fun_get_sym_from_addr_t fun_get_sym_from_addr;
/* Pointer function to StackWalk() */
typedef BOOL(WINAPI * fun_stack_walk_t) (DWORD, HANDLE, HANDLE,
- LPSTACKFRAME, PVOID,
- PREAD_PROCESS_MEMORY_ROUTINE,
- PFUNCTION_TABLE_ACCESS_ROUTINE,
- PGET_MODULE_BASE_ROUTINE,
- PTRANSLATE_ADDRESS_ROUTINE);
+ LPSTACKFRAME, PVOID,
+ PREAD_PROCESS_MEMORY_ROUTINE,
+ PFUNCTION_TABLE_ACCESS_ROUTINE,
+ PGET_MODULE_BASE_ROUTINE,
+ PTRANSLATE_ADDRESS_ROUTINE);
static fun_stack_walk_t fun_stack_walk;
static HINSTANCE hlp_dbg_instance = NULL;
/* Module creation/destruction: nothing to do on linux */
-void xbt_backtrace_init(void) {
+void xbt_backtrace_init(void) {
process_handle = GetCurrentProcess();
if (hlp_dbg_instance) {
if (!hlp_dbg_instance)
return;
-
+
/* get the pointers to debug help library exported functions */
- fun_initialize =
- (fun_initialize_t) GetProcAddress(hlp_dbg_instance, "SymInitialize");
- fun_cleanup =
- (fun_cleanup_t) GetProcAddress(hlp_dbg_instance, "SymCleanup");
- fun_function_table_access =
- (fun_function_table_access_t) GetProcAddress(hlp_dbg_instance, "SymFunctionTableAccess");
- fun_get_line_from_addr =
- (fun_get_line_from_addr_t) GetProcAddress(hlp_dbg_instance, "SymGetLineFromAddr");
- fun_get_module_base =
- (fun_get_module_base_t) GetProcAddress(hlp_dbg_instance, "SymGetModuleBase");
- fun_get_options =
- (fun_get_options_t) GetProcAddress(hlp_dbg_instance, "SymGetOptions");
- fun_get_sym_from_addr =
- (fun_get_sym_from_addr_t) GetProcAddress(hlp_dbg_instance, "SymGetSymFromAddr");
- fun_set_options =
- (fun_set_options_t) GetProcAddress(hlp_dbg_instance, "SymSetOptions");
- fun_stack_walk =
- (fun_stack_walk_t) GetProcAddress(hlp_dbg_instance, "StackWalk");
+ fun_initialize =
+ (fun_initialize_t) GetProcAddress(hlp_dbg_instance, "SymInitialize");
+ fun_cleanup =
+ (fun_cleanup_t) GetProcAddress(hlp_dbg_instance, "SymCleanup");
+ fun_function_table_access =
+ (fun_function_table_access_t) GetProcAddress(hlp_dbg_instance, "SymFunctionTableAccess");
+ fun_get_line_from_addr =
+ (fun_get_line_from_addr_t) GetProcAddress(hlp_dbg_instance, "SymGetLineFromAddr");
+ fun_get_module_base =
+ (fun_get_module_base_t) GetProcAddress(hlp_dbg_instance, "SymGetModuleBase");
+ fun_get_options =
+ (fun_get_options_t) GetProcAddress(hlp_dbg_instance, "SymGetOptions");
+ fun_get_sym_from_addr =
+ (fun_get_sym_from_addr_t) GetProcAddress(hlp_dbg_instance, "SymGetSymFromAddr");
+ fun_set_options =
+ (fun_set_options_t) GetProcAddress(hlp_dbg_instance, "SymSetOptions");
+ fun_stack_walk =
+ (fun_stack_walk_t) GetProcAddress(hlp_dbg_instance, "StackWalk");
/* Check that everything worked well */
if (!fun_initialize ||
!fun_cleanup ||
- !fun_function_table_access ||
+ !fun_function_table_access ||
!fun_get_line_from_addr ||
!fun_get_module_base ||
!fun_get_options ||
!fun_get_sym_from_addr ||
!fun_set_options ||
!fun_stack_walk
- ) {
+ ) {
FreeLibrary(hlp_dbg_instance);
hlp_dbg_instance = NULL;
return;
}
(*fun_set_options) ((*fun_get_options) () |
- SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS);
+ SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS);
if (!(*fun_initialize) (process_handle, 0, 1)) {
FreeLibrary(hlp_dbg_instance);
hlp_dbg_instance = NULL;
}
}
-void xbt_backtrace_exit(void) {
+void xbt_backtrace_exit(void) {
if (!hlp_dbg_instance)
return;
*/
char **backtrace_symbols(void *const *buffer, int size);
+void xbt_backtrace_current(xbt_ex_t * e) {
+ e->used = backtrace((void **) e->bt, XBT_BACKTRACE_SIZE);
+}
+
+
void xbt_ex_setup_backtrace(xbt_ex_t * e)
{
int i;
- char **backtrace_syms = backtrace_symbols(e->bt, e->used);
+ char **backtrace_syms;
- e->used = backtrace((void **) e->bt, XBT_BACKTRACE_SIZE);
+ xbt_assert0(e && e->used,"Backtrace not setup yet, cannot set it up for display");
+
+ backtrace_syms = backtrace_symbols(e->bt, e->used);
e->bt_strings = NULL;
/* parse the output and build a new backtrace */
e->bt_strings = xbt_new(char *, e->used);
unsigned long offset = 0;
IMAGEHLP_LINE line_info = { 0 };
byte
- __buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) +
- sizeof(ULONG64) - 1) / sizeof(ULONG64)];
+ __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
-
+ _asm pop eax
+ _asm mov context.Eip, eax
+ _asm mov eax, esp
+ _asm mov context.Esp, eax
+ _asm mov context.Ebp, ebp
+
if ((NULL == hlp_dbg_instance) || (size <= 0) || (NULL == buffer)) {
errno = EINVAL;
return 0;
stack_frame->AddrStack.Mode = AddrModeFlat;
if ((*fun_stack_walk) (IMAGE_FILE_MACHINE_I386,
- process_handle,
- GetCurrentThread(),
- stack_frame,
- &context,
- NULL,
- fun_function_table_access,
- fun_get_module_base, NULL)
+ process_handle,
+ GetCurrentThread(),
+ stack_frame,
+ &context,
+ NULL,
+ fun_function_table_access,
+ fun_get_module_base, NULL)
&& !first) {
if (stack_frame->AddrReturn.Offset) {
IMAGEHLP_LINE line_info = { 0 };
IMAGEHLP_MODULE module = { 0 };
byte
- __buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) +
- sizeof(ULONG64) - 1) / sizeof(ULONG64)];
+ __buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) +
+ sizeof(ULONG64) - 1) / sizeof(ULONG64)];
if ((NULL == hlp_dbg_instance) || (size <= 0) || (NULL == buffer)) {
errno = EINVAL;
