Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Implement reentrant mutexes in xbt_os_thread
[simgrid.git] / src / xbt / backtrace_windows.c
index bfb14aa..fea72db 100644 (file)
@@ -1,24 +1,22 @@
-/* $Id$ */
-
 /* 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.
  */
 
 #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
 
@@ -37,42 +35,42 @@ static fun_function_table_access_t fun_function_table_access;
 
 /* 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() */
-typedef DWORD(WINAPI *fun_get_module_base_t) (HANDLE, DWORD);
+typedef DWORD(WINAPI * fun_get_module_base_t) (HANDLE, DWORD);
 static fun_get_module_base_t fun_get_module_base;
 
 /* SymGetOptions() */
-typedef DWORD(WINAPI *fun_get_options_t) (VOID);
+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);
+typedef DWORD(WINAPI * fun_set_options_t) (DWORD);
 static fun_set_options_t fun_set_options;
 
 /* Pointer function to SymGetSymFromAddr() */
-typedef BOOL(WINAPI *fun_get_sym_from_addr_t) (HANDLE, DWORD, PDWORD,
-                                              OUT PIMAGEHLP_SYMBOL);
+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 * 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;
 static HANDLE process_handle = NULL;
 
 
-/* Module creation/destruction: nothing to do on linux */
-void xbt_backtrace_init(void) { 
+/* Module creation/destruction: initialize our tables */
+void xbt_backtrace_preinit(void)
+{
   process_handle = GetCurrentProcess();
 
   if (hlp_dbg_instance) {
@@ -85,52 +83,57 @@ void xbt_backtrace_init(void) {
 
   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
-      ) {
+      !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_postexit(void)
+{
   if (!hlp_dbg_instance)
     return;
 
@@ -165,7 +168,8 @@ int backtrace(void **buffer, int size);
  */
 char **backtrace_symbols(void *const *buffer, int size);
 
-void xbt_backtrace_current(xbt_ex_t * e) {
+void xbt_backtrace_current(xbt_ex_t * e)
+{
   e->used = backtrace((void **) e->bt, XBT_BACKTRACE_SIZE);
 }
 
@@ -175,8 +179,10 @@ void xbt_ex_setup_backtrace(xbt_ex_t * e)
   int i;
   char **backtrace_syms;
 
-  xbt_assert0(e && e->used,"Backtrace not setup yet, cannot set it up for display");
-   
+  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 */
@@ -198,9 +204,8 @@ int backtrace(void **buffer, int size)
   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);
@@ -208,13 +213,12 @@ int backtrace(void **buffer, int size)
   /* 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 == hlp_dbg_instance) || (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;
   }
@@ -246,18 +250,21 @@ int backtrace(void **buffer, int size)
     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) {
 
-        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))
+        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;
         }
       } else {
@@ -287,9 +294,8 @@ char **backtrace_symbols(void *const *buffer, int size)
   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 == hlp_dbg_instance) || (size <= 0) || (NULL == buffer)) {
     errno = EINVAL;
@@ -312,11 +318,14 @@ char **backtrace_symbols(void *const *buffer, int size)
 
     if (NULL != stack_frame) {
 
-      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)) {
+      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,
-                    (int)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);
         }