-/* $Id$ */
-
/* backtrace_windows - backtrace displaying on windows platform */
/* This file is included by ex.c on need (windows x86) */
-/* Copyright (c) 2007 The SimGrid team */
-/* All rights reserved. */
+/* Copyright (c) 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* 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.
*/
-#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() */
-typedef BOOL(WINAPI * xbt_pfn_sym_initialize_t) (HANDLE, PSTR, BOOL);
+/* SymInitialize() */
+typedef BOOL(WINAPI * fun_initialize_t) (HANDLE, PSTR, BOOL);
+static fun_initialize_t fun_initialize;
-/* Pointer function to SymCleanup() */
-typedef BOOL(WINAPI * xbt_pfn_sym_cleanup_t) (HANDLE hProcess);
+/* SymCleanup() */
+typedef BOOL(WINAPI * fun_cleanup_t) (HANDLE hProcess);
+static fun_cleanup_t fun_cleanup;
-/* Pointer function to SymFunctionTableAccess() */
-typedef PVOID(WINAPI * xbt_pfn_sym_function_table_access_t) (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() */
-typedef BOOL(WINAPI * xbt_pfn_sym_get_line_from_addr_t) (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() */
-typedef DWORD(WINAPI * xbt_pfn_sym_get_module_base_t) (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() */
-typedef DWORD(WINAPI * xbt_pfn_sym_get_options_t) (VOID);
+/* SymGetOptions() */
+typedef DWORD(WINAPI * fun_get_options_t) (VOID);
+static fun_get_options_t fun_get_options;
-/* Pointer function to SymGetSymFromAddr() */
-typedef BOOL(WINAPI * xbt_pfn_sym_get_sym_from_addr_t) (HANDLE, DWORD, PDWORD,
- OUT PIMAGEHLP_SYMBOL);
+/* SymSetOptions() */
+typedef DWORD(WINAPI * fun_set_options_t) (DWORD);
+static fun_set_options_t fun_set_options;
-/* Pointer function to SymSetOptions() */
-typedef DWORD(WINAPI * xbt_pfn_sym_set_options_t) (DWORD);
+/* Pointer function to SymGetSymFromAddr() */
+typedef BOOL(WINAPI * fun_get_sym_from_addr_t) (HANDLE, DWORD, PDWORD,
+ OUT PIMAGEHLP_SYMBOL);
+static fun_get_sym_from_addr_t fun_get_sym_from_addr;
/* 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);
-
-/* 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;
-
-
-/* the address to the unique reference to the debug help library interface */
-static xbt_debug_hlp_t dbg_hlp = NULL;
-
-/* Module creation/destruction: nothing to do on linux */
-void xbt_backtrace_init(void) {
- HANDLE process_handle = GetCurrentProcess();
-
- if (dbg_hlp) {
- /* debug help is already loaded */
- return;
- }
+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;
- /* allocation */
- dbg_hlp = xbt_new0(s_xbt_debug_hlp_t, 1);
+static HINSTANCE hlp_dbg_instance = NULL;
+static HANDLE process_handle = NULL;
- /* load the library */
- dbg_hlp->instance = LoadLibraryA("Dbghelp.dll");
- if (!dbg_hlp->instance) {
- free(dbg_hlp);
- dbg_hlp = NULL;
+/* Module creation/destruction: initialize our tables */
+void xbt_backtrace_preinit(void)
+{
+ process_handle = GetCurrentProcess();
+
+ if (hlp_dbg_instance) {
+ /* debug help is already loaded */
return;
}
-
- /* get the pointers to debug help library exported functions */
- dbg_hlp->sym_initialize =
- (xbt_pfn_sym_initialize_t) GetProcAddress(dbg_hlp->instance, "SymInitialize");
-
- dbg_hlp->sym_cleanup =
- (xbt_pfn_sym_cleanup_t) GetProcAddress(dbg_hlp->instance, "SymCleanup");
-
- dbg_hlp->sym_function_table_access =
- (xbt_pfn_sym_function_table_access_t) GetProcAddress(dbg_hlp->instance, "SymFunctionTableAccess");
-
- dbg_hlp->sym_get_line_from_addr =
- (xbt_pfn_sym_get_line_from_addr_t) GetProcAddress(dbg_hlp->instance, "SymGetLineFromAddr");
-
- dbg_hlp->sym_get_module_base =
- (xbt_pfn_sym_get_module_base_t) GetProcAddress(dbg_hlp->instance, "SymGetModuleBase");
-
- dbg_hlp->sym_get_options =
- (xbt_pfn_sym_get_options_t) GetProcAddress(dbg_hlp->instance, "SymGetOptions");
- dbg_hlp->sym_get_sym_from_addr =
- (xbt_pfn_sym_get_sym_from_addr_t) GetProcAddress(dbg_hlp->instance, "SymGetSymFromAddr");
+ /* load the library */
+ hlp_dbg_instance = LoadLibraryA("Dbghelp.dll");
- dbg_hlp->sym_set_options =
- (xbt_pfn_sym_set_options_t) GetProcAddress(dbg_hlp->instance, "SymSetOptions");
+ if (!hlp_dbg_instance)
+ return;
- dbg_hlp->stack_walk =
- (xbt_pfn_stack_walk_t) GetProcAddress(dbg_hlp->instance, "StackWalk");
+ /* 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");
/* Check that everything worked well */
- if (!dbg_hlp->sym_initialize ||
- !dbg_hlp->sym_cleanup ||
- !dbg_hlp->sym_function_table_access ||
- !dbg_hlp->sym_get_line_from_addr ||
- !dbg_hlp->sym_get_module_base ||
- !dbg_hlp->sym_get_options ||
- !dbg_hlp->sym_get_sym_from_addr ||
- !dbg_hlp->sym_set_options ||
- !dbg_hlp->stack_walk
- ) {
- FreeLibrary(dbg_hlp->instance);
- free(dbg_hlp);
- dbg_hlp = NULL;
+ if (!fun_initialize ||
+ !fun_cleanup ||
+ !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;
}
- dbg_hlp->process_handle = process_handle;
-
- (*(dbg_hlp->sym_set_options)) ((*(dbg_hlp->sym_get_options)) () |
- SYMOPT_LOAD_LINES | SYMOPT_DEFERRED_LOADS);
+ (*fun_set_options) ((*fun_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;
+ if (!(*fun_initialize) (process_handle, 0, 1)) {
+ FreeLibrary(hlp_dbg_instance);
+ hlp_dbg_instance = NULL;
}
}
-void xbt_backtrace_exit(void) {
- if (!dbg_hlp)
- return;
- if ((dbg_hlp->sym_cleanup) (dbg_hlp->process_handle))
- FreeLibrary(dbg_hlp->instance);
+void xbt_backtrace_postexit(void)
+{
+ if (!hlp_dbg_instance)
+ return;
+ if ((*fun_cleanup) (process_handle))
+ FreeLibrary(hlp_dbg_instance);
- free(dbg_hlp);
- dbg_hlp = 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_assert(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);
- for (i = 0; i < e->used; 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] = backtrace_syms[i];
free(backtrace_syms);
}
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)];
+ 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
-
- if ((NULL == dbg_hlp) || (size <= 0) || (NULL == buffer)) {
+ _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.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)
+ if ((*fun_stack_walk) (IMAGE_FILE_MACHINE_I386,
+ process_handle,
+ GetCurrentThread(),
+ stack_frame,
+ &context,
+ NULL,
+ fun_function_table_access,
+ fun_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,
+ if ((*fun_get_sym_from_addr)
+ (process_handle, stack_frame->AddrPC.Offset, &offset, pSym)) {
+ if ((*fun_get_line_from_addr)
+ (process_handle, stack_frame->AddrPC.Offset, &offset,
&line_info))
buffer[pos++] = (void *) stack_frame;
}
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)];
+ byte __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 (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,
+ if ((*fun_get_sym_from_addr)
+ (process_handle, stack_frame->AddrPC.Offset, &offset, pSym)) {
+ 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);
+ bprintf("** In %s() at %s:%d", pSym->Name,
+ line_info.FileName, (int) line_info.LineNumber);
} else {
strings[pos] = bprintf("** In %s()", pSym->Name);
}
