* support for application self-debugging.
*/
-#include <dbghelp.h>
+#if defined(_XBT_BORLAND_COMPILER) || defined(_XBT_VISUALC_COMPILER)
+ /* native windows build */
+# include <dbghelp.h>
+#else
+ /* gcc-based cross-compiling */
+# include "xbt/wine_dbghelp.h"
+#endif
-/* Pointer function to SymInitialize() */
-BOOL(WINAPI * fun_initialize) (HANDLE, PSTR, BOOL);
+/* SymInitialize() */
+typedef BOOL(WINAPI * fun_initialize_t) (HANDLE, PSTR, BOOL);
+static fun_initialize_t fun_initialize;
-/* Pointer function to SymCleanup() */
-static BOOL(WINAPI * fun_cleanup) (HANDLE hProcess);
+/* SymCleanup() */
+typedef BOOL(WINAPI * fun_cleanup_t) (HANDLE hProcess);
+static fun_cleanup_t fun_cleanup;
-/* Pointer function to SymFunctionTableAccess() */
-static PVOID(WINAPI * fun_function_table_access) (HANDLE, DWORD);
+/* SymFunctionTableAccess() */
+typedef PVOID(WINAPI * fun_function_table_access_t) (HANDLE, DWORD);
+static fun_function_table_access_t fun_function_table_access;
-/* Pointer function to SymGetLineFromAddr() */
-static BOOL(WINAPI * fun_get_line_from_addr) (HANDLE, DWORD,
- PDWORD,
- PIMAGEHLP_LINE);
+/* SymGetLineFromAddr() */
+typedef BOOL(WINAPI * fun_get_line_from_addr_t) (HANDLE, DWORD,
+ PDWORD,
+ PIMAGEHLP_LINE);
+static fun_get_line_from_addr_t fun_get_line_from_addr;
-/* Pointer function to SymGetModuleBase() */
-static DWORD(WINAPI * fun_get_module_base) (HANDLE, DWORD);
+/* SymGetModuleBase() */
+typedef DWORD(WINAPI *fun_get_module_base_t) (HANDLE, DWORD);
+static fun_get_module_base_t fun_get_module_base;
-/* Pointer function to SymGetOptions() */
-static DWORD(WINAPI * fun_get_options) (VOID);
+/* SymGetOptions() */
+typedef DWORD(WINAPI *fun_get_options_t) (VOID);
+static fun_get_options_t fun_get_options;
+
+/* SymSetOptions() */
+typedef DWORD(WINAPI *fun_set_options_t) (DWORD);
+static fun_set_options_t fun_set_options;
/* Pointer function to SymGetSymFromAddr() */
-static BOOL(WINAPI * fun_get_sym_from_addr) (HANDLE, DWORD, PDWORD,
+typedef BOOL(WINAPI *fun_get_sym_from_addr_t) (HANDLE, DWORD, PDWORD,
OUT PIMAGEHLP_SYMBOL);
-
-/* Pointer function to SymSetOptions() */
-static DWORD(WINAPI * fun_set_options) (DWORD);
+static fun_get_sym_from_addr_t fun_get_sym_from_addr;
/* Pointer function to StackWalk() */
-static BOOL(WINAPI * xbt_pfn_stack_walk) (DWORD, HANDLE, HANDLE,
+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);
+static fun_stack_walk_t fun_stack_walk;
-static HINSTANCE instance = NULL;
+static HINSTANCE hlp_dbg_instance = NULL;
static HANDLE process_handle = NULL;
void xbt_backtrace_init(void) {
process_handle = GetCurrentProcess();
- if (instance) {
+ if (hlp_dbg_instance) {
/* debug help is already loaded */
return;
}
/* load the library */
- instance = LoadLibraryA("Dbghelp.dll");
+ hlp_dbg_instance = LoadLibraryA("Dbghelp.dll");
- if (!instance)
+ if (!hlp_dbg_instance)
return;
/* get the pointers to debug help library exported functions */
- fun_initialize = GetProcAddress(instance, "SymInitialize");
- fun_cleanup = GetProcAddress(instance, "SymCleanup");
- fun_function_table_access = GetProcAddress(instance, "SymFunctionTableAccess");
- fun_get_line_from_addr = GetProcAddress(instance, "SymGetLineFromAddr");
- fun_get_module_base = GetProcAddress(instance, "SymGetModuleBase");
- fun_get_options = GetProcAddress(instance, "SymGetOptions");
- fun_get_sym_from_addr = GetProcAddress(instance, "SymGetSymFromAddr");
- fun_set_options = GetProcAddress(instance, "SymSetOptions");
- fun_stack_walk = GetProcAddress(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_set_options ||
!fun_stack_walk
) {
- FreeLibrary(instance);
- instance = NULL;
+ FreeLibrary(hlp_dbg_instance);
+ hlp_dbg_instance = NULL;
return;
}
SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS);
if (!(*fun_initialize) (process_handle, 0, 1)) {
- FreeLibrary(instance);
- instance = NULL;
+ FreeLibrary(hlp_dbg_instance);
+ hlp_dbg_instance = NULL;
}
}
void xbt_backtrace_exit(void) {
- if (!instance)
+ if (!hlp_dbg_instance)
return;
if ((*fun_cleanup) (process_handle))
- FreeLibrary(instance);
+ FreeLibrary(hlp_dbg_instance);
- instance = NULL;
+ hlp_dbg_instance = NULL;
}
/*
*/
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);
_asm mov context.Eip, eax
_asm mov eax, esp
_asm mov context.Esp, eax
- _asm mov context.Ebp, ebp
-
- if ((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) {
+ _asm mov context.Ebp, ebp
+
+ if ((NULL == hlp_dbg_instance) || (size <= 0) || (NULL == buffer)) {
errno = EINVAL;
return 0;
}
__buffer[(sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR) +
sizeof(ULONG64) - 1) / sizeof(ULONG64)];
- if ((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) {
+ if ((NULL == hlp_dbg_instance) || (size <= 0) || (NULL == buffer)) {
errno = EINVAL;
return NULL;
}
if ((*fun_get_line_from_addr) (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);
+ (int)line_info.LineNumber);
} else {
strings[pos] = bprintf("** In %s()", pSym->Name);
}