xbt/xbt_jcontext.h \
xbt/log_private.h \
xbt/ex_interface.h \
+ xbt/backtrace_linux.c xbt/backtrace_windows.c \
\
surf/maxmin_private.h \
surf/trace_mgr_private.h \
$(MSG_SRC) $(SIMDAG_SRC) \
$(GRAS_COMMON_SRC) $(GRAS_SG_SRC) $(AMOK_SRC)
libsimgrid_la_LDFLAGS = -no-undefined $(VERSION_INFO) @SIMGRID_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+# -Wl,--entry -Wl,simgrid_version
# Please do not add -no-undefined to libsmpi_la_LDFLAGS:
# smpi_simulated_main is indeed defined in user code, and undef in the
simix/smx_action.c simix/smx_synchro.c xbt/xbt_context.c \
msg/msg_config.c msg/task.c msg/host.c msg/m_process.c \
msg/gos.c msg/global.c msg/environment.c msg/deployment.c \
- simdag/sd_global.c simdag/sd_link.c simdag/sd_task.c \
- simdag/sd_workstation.c gras/gras.c gras/Transport/transport.c \
- gras/Transport/transport_private.h gras/Msg/gras_msg_mod.c \
- gras/Msg/gras_msg_types.c gras/Msg/gras_msg_exchange.c \
- gras/Msg/gras_msg_listener.c gras/Msg/rpc.c gras/Msg/timer.c \
- gras/Msg/msg_interface.h gras/Msg/msg_private.h \
- gras/Virtu/process.c gras/Virtu/gras_module.c \
- gras/DataDesc/ddt_create.c gras/DataDesc/ddt_convert.c \
- gras/DataDesc/ddt_exchange.c gras/DataDesc/cbps.c \
- gras/DataDesc/datadesc.c gras/DataDesc/datadesc_interface.h \
+ msg/msg_mailbox.c simdag/sd_global.c simdag/sd_link.c \
+ simdag/sd_task.c simdag/sd_workstation.c gras/gras.c \
+ gras/Transport/transport.c gras/Transport/transport_private.h \
+ gras/Msg/gras_msg_mod.c gras/Msg/gras_msg_types.c \
+ gras/Msg/gras_msg_exchange.c gras/Msg/gras_msg_listener.c \
+ gras/Msg/rpc.c gras/Msg/timer.c gras/Msg/msg_interface.h \
+ gras/Msg/msg_private.h gras/Virtu/process.c \
+ gras/Virtu/gras_module.c gras/DataDesc/ddt_create.c \
+ gras/DataDesc/ddt_convert.c gras/DataDesc/ddt_exchange.c \
+ gras/DataDesc/cbps.c gras/DataDesc/datadesc.c \
+ gras/DataDesc/datadesc_interface.h \
gras/DataDesc/datadesc_private.h gras/DataDesc/ddt_parse.c \
gras/DataDesc/ddt_parse.yy.c gras/DataDesc/ddt_parse.yy.h \
gras/Transport/sg_transport.c \
smx_synchro.lo
am__objects_13 = xbt_context.lo
am__objects_14 = msg_config.lo task.lo host.lo m_process.lo gos.lo \
- global.lo environment.lo deployment.lo
+ global.lo environment.lo deployment.lo msg_mailbox.lo
am__objects_15 = sd_global.lo sd_link.lo sd_task.lo sd_workstation.lo
am__objects_16 = xbt_sg_synchro.lo xbt_sg_time.lo
am__objects_17 = sg_transport.lo transport_plugin_sg.lo sg_emul.lo \
xbt/graph_private.h xbt/graphxml_parse.c xbt/graphxml.l \
xbt/graphxml.c xbt/graphxml.dtd xbt/xbt_context_private.h \
xbt/xbt_context_factory.h xbt/xbt_jcontext.h xbt/log_private.h \
- xbt/ex_interface.h surf/maxmin_private.h \
+ xbt/ex_interface.h xbt/backtrace_linux.c \
+ xbt/backtrace_windows.c surf/maxmin_private.h \
surf/trace_mgr_private.h surf/surf_private.h \
surf/cpu_private.h surf/workstation_private.h \
surf/surf_timer_private.h surf/surfxml_parse.c \
MSG_SRC = msg/msg_config.c \
msg/task.c msg/host.c msg/m_process.c msg/gos.c \
- msg/global.c msg/environment.c msg/deployment.c
+ msg/global.c msg/environment.c msg/deployment.c msg/msg_mailbox.c
JMSG_C_SRC = \
xbt/xbt_jcontext.c \
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mallocator.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/maxmin.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/msg_config.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/msg_mailbox.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/network.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/network_gtnets.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/peermanagement.Plo@am__quote@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o deployment.lo `test -f 'msg/deployment.c' || echo '$(srcdir)/'`msg/deployment.c
+msg_mailbox.lo: msg/msg_mailbox.c
+@am__fastdepCC_TRUE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT msg_mailbox.lo -MD -MP -MF $(DEPDIR)/msg_mailbox.Tpo -c -o msg_mailbox.lo `test -f 'msg/msg_mailbox.c' || echo '$(srcdir)/'`msg/msg_mailbox.c
+@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/msg_mailbox.Tpo $(DEPDIR)/msg_mailbox.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='msg/msg_mailbox.c' object='msg_mailbox.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o msg_mailbox.lo `test -f 'msg/msg_mailbox.c' || echo '$(srcdir)/'`msg/msg_mailbox.c
+
sd_global.lo: simdag/sd_global.c
@am__fastdepCC_TRUE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT sd_global.lo -MD -MP -MF $(DEPDIR)/sd_global.Tpo -c -o sd_global.lo `test -f 'simdag/sd_global.c' || echo '$(srcdir)/'`simdag/sd_global.c
@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/sd_global.Tpo $(DEPDIR)/sd_global.Plo
/* GENERATED FILE, DO NOT EDIT */
/*******************************/
-# 419 "xbt/ex.c"
+# 194 "xbt/ex.c"
#include <stdio.h>
#include "xbt/ex.h"
void test_config_use(void);
/* SGU: END FILE */
- /* SGU: BEGIN FILE ./xbt/cunit.c */
- void test_expected_failure(void);
- /* SGU: END FILE */
-
/*******************************/
/* GENERATED FILE, DO NOT EDIT */
char selection[1024];
int i;
+ int res;
+
/* SGU: BEGIN SUITES DECLARATION */
/* SGU: BEGIN FILE xbt/cunit.c */
suite = xbt_test_suite_by_name("cunit","Testsuite mechanism autotest");
xbt_test_suite_push(suite, "use", test_config_use, "Data retrieving tests");
/* SGU: END FILE */
- /* SGU: BEGIN FILE ./xbt/cunit.c */
- suite = xbt_test_suite_by_name("cunit","Testsuite mechanism autotest");
- xbt_test_suite_push(suite, "expect", test_expected_failure, "expected failures");
- /* SGU: END FILE */
-
/* SGU: END SUITES DECLARATION */
xbt_init(&argc,argv);
}
/* Got all my tests to do */
- return xbt_test_run(selection);
+ res = xbt_test_run(selection);
+ xbt_exit();
+ return res;
}
/*******************************/
/* GENERATED FILE, DO NOT EDIT */
--- /dev/null
+/* $Id: ex.c 5173 2008-01-07 22:10:52Z mquinson $ */
+
+/* backtrace_linux - backtrace displaying on linux platform */
+/* This file is included by ex.c on need (have execinfo.h, popen & addrline)*/
+
+/* Copyright (c) 2007 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. */
+
+extern char **environ; /* the environment, as specified by the opengroup */
+
+void xbt_ex_setup_backtrace(xbt_ex_t *e) {
+ int i;
+ /* to get the backtrace from the libc */
+ char **backtrace = backtrace_symbols (e->bt, e->used);
+
+ /* To build the commandline of addr2line */
+ char *cmd, *curr;
+
+ /* to extract the addresses from the backtrace */
+ char **addrs=xbt_new(char*,e->used);
+ char buff[256],*p;
+
+ /* To read the output of addr2line */
+ FILE *pipe;
+ char line_func[1024],line_pos[1024];
+
+ /* size (in char) of pointers on this arch */
+ int addr_len=0;
+
+ /* To search for the right executable path when not trivial */
+ struct stat stat_buf;
+ char *binary_name = NULL;
+
+ /* Some arches only have stubs of backtrace, no implementation (hppa comes to mind) */
+ if (!e->used)
+ return;
+
+ /* build the commandline */
+ if (stat(xbt_binary_name,&stat_buf)) {
+ /* Damn. binary not in current dir. We'll have to dig the PATH to find it */
+ int i;
+ for (i=0; environ[i]; i++) {
+ if (!strncmp("PATH=",environ[i], 5)) {
+ xbt_dynar_t path=xbt_str_split(environ[i] + 5, ":");
+ unsigned int cpt;
+ char *data;
+ xbt_dynar_foreach(path, cpt, data) {
+ if (binary_name)
+ free(binary_name);
+ binary_name = bprintf("%s/%s",data,xbt_binary_name);
+ if (!stat(binary_name,&stat_buf)) {
+ /* Found. */
+ DEBUG1("Looked in the PATH for the binary. Found %s",binary_name);
+ xbt_dynar_free(&path);
+ break;
+ }
+ }
+ if (stat(binary_name,&stat_buf)) {
+ /* not found */
+ e->used = 1;
+ e->bt_strings = xbt_new(char*,1);
+ e->bt_strings[0] = bprintf("(binary '%s' not found the path)",xbt_binary_name);
+ return;
+ }
+ xbt_dynar_free(&path);
+ break;
+ }
+ }
+ } else {
+ binary_name = xbt_strdup(xbt_binary_name);
+ }
+ cmd = curr = xbt_new(char,strlen(ADDR2LINE)+25+strlen(binary_name)+32*e->used);
+
+ curr += sprintf(curr,"%s -f -e %s ",ADDR2LINE,binary_name);
+ free(binary_name);
+
+ for (i=0; i<e->used;i++) {
+ /* retrieve this address */
+ DEBUG2("Retrieving address number %d from '%s'", i, backtrace[i]);
+ snprintf(buff,256,"%s",strchr(backtrace[i],'[')+1);
+ p=strchr(buff,']');
+ *p='\0';
+ if (strcmp(buff,"(nil)"))
+ addrs[i]=bprintf("%s", buff);
+ else
+ addrs[i]=bprintf("0x0");
+ DEBUG3("Set up a new address: %d, '%s'(%p)", i, addrs[i], addrs[i]);
+
+ /* Add it to the command line args */
+ curr+=sprintf(curr,"%s ",addrs[i]);
+ }
+ addr_len = strlen(addrs[0]);
+
+ /* parse the output and build a new backtrace */
+ e->bt_strings = xbt_new(char*,e->used);
+
+ VERB1("Fire a first command: '%s'", cmd);
+ pipe = popen(cmd, "r");
+ if (!pipe) {
+ CRITICAL0("Cannot fork addr2line to display the backtrace");
+ abort();
+ }
+
+ for (i=0; i<e->used; i++) {
+ DEBUG2("Looking for symbol %d, addr = '%s'", i, addrs[i]);
+ fgets(line_func,1024,pipe);
+ line_func[strlen(line_func)-1]='\0';
+ fgets(line_pos,1024,pipe);
+ line_pos[strlen(line_pos)-1]='\0';
+
+ if (strcmp("??",line_func)) {
+ DEBUG2("Found static symbol %s() at %s", line_func, line_pos);
+ e->bt_strings[i] = bprintf("** In %s() at %s", line_func,line_pos);
+ } else {
+ /* Damn. The symbol is in a dynamic library. Let's get wild */
+ char *maps_name;
+ FILE *maps;
+ char maps_buff[512];
+
+ long int addr,offset=0;
+ char *p,*p2;
+
+ char *subcmd;
+ FILE *subpipe;
+ int found=0;
+
+ /* let's look for the offset of this library in our addressing space */
+ maps_name=bprintf("/proc/%d/maps",(int)getpid());
+ maps=fopen(maps_name,"r");
+
+ sscanf(addrs[i],"%lx",&addr);
+ sprintf(maps_buff,"%#lx",addr);
+
+ if (strcmp(addrs[i],maps_buff)) {
+ CRITICAL2("Cannot parse backtrace address '%s' (addr=%#lx)",
+ addrs[i], addr);
+ }
+ DEBUG2("addr=%s (as string) =%#lx (as number)",addrs[i],addr);
+
+ while (!found) {
+ long int first, last;
+ if (fgets(maps_buff,512,maps) == NULL)
+ break;
+ if (i==0) {
+ maps_buff[strlen(maps_buff) -1]='\0';
+ DEBUG1("map line: %s", maps_buff);
+ }
+ sscanf(maps_buff,"%lx",&first);
+ p=strchr(maps_buff,'-')+1;
+ sscanf(p,"%lx",&last);
+ if (first < addr && addr < last) {
+ offset = first;
+ found=1;
+ }
+ if (found) {
+ DEBUG3("%#lx in [%#lx-%#lx]", addr, first,last);
+ DEBUG0("Symbol found, map lines not further displayed (even if looking for next ones)");
+ }
+ }
+ fclose(maps);
+ free(maps_name);
+
+ if (!found) {
+ VERB0("Problem while reading the maps file. Following backtrace will be mangled.");
+ DEBUG1("No dynamic. Static symbol: %s", backtrace[i]);
+ e->bt_strings[i] = bprintf("** In ?? (%s)", backtrace[i]);
+ continue;
+ }
+
+ /* Ok, Found the offset of the maps line containing the searched symbol.
+ We now need to substract this from the address we got from backtrace.
+ */
+
+ free(addrs[i]);
+ addrs[i] = bprintf("0x%0*lx",addr_len-2,addr-offset);
+ DEBUG2("offset=%#lx new addr=%s",offset,addrs[i]);
+
+ /* Got it. We have our new address. Let's get the library path and we
+ are set */
+ p = xbt_strdup(backtrace[i]);
+ if (p[0]=='[') {
+ /* library path not displayed in the map file either... */
+ free(p);
+ sprintf(line_func,"??");
+ } else {
+ p2 = strrchr(p,'(');
+ if (p2) *p2= '\0';
+ p2 = strrchr(p,' ');
+ if(p2) *p2= '\0';
+
+ /* Here we go, fire an addr2line up */
+ subcmd = bprintf("%s -f -e %s %s",ADDR2LINE,p, addrs[i]);
+ free(p);
+ VERB1("Fire a new command: '%s'",subcmd);
+ subpipe = popen(subcmd,"r");
+ if (!subpipe) {
+ CRITICAL0("Cannot fork addr2line to display the backtrace");
+ abort();
+ }
+ fgets(line_func,1024,subpipe);
+ line_func[strlen(line_func)-1]='\0';
+ fgets(line_pos,1024,subpipe);
+ line_pos[strlen(line_pos)-1]='\0';
+ pclose(subpipe);
+ free(subcmd);
+ }
+
+ /* check whether the trick worked */
+ if (strcmp("??",line_func)) {
+ DEBUG2("Found dynamic symbol %s() at %s", line_func, line_pos);
+ e->bt_strings[i] = bprintf("** In %s() at %s", line_func,line_pos);
+ } else {
+ /* damn, nothing to do here. Let's print the raw address */
+ DEBUG1("Dynamic symbol not found. Raw address = %s", backtrace[i]);
+ e->bt_strings[i] = bprintf("** In ?? at %s", backtrace[i]);
+ }
+
+ }
+ free(addrs[i]);
+
+ /* Mask the bottom of the stack */
+ if (!strncmp("main",line_func,strlen("main")) ||
+ !strncmp("xbt_thread_context_wrapper",line_func,strlen("xbt_thread_context_wrapper"))) {
+ int j;
+ for (j=i+1; j<e->used; j++)
+ free(addrs[j]);
+ e->used = i;
+
+ if (!strncmp("xbt_thread_context_wrapper",line_func,strlen("xbt_thread_context_wrapper"))) {
+ e->used++;
+ e->bt_strings[i] = bprintf("** (in a separate thread)");
+ }
+ }
+
+
+ }
+ pclose(pipe);
+ free(addrs);
+ free(backtrace);
+ free(cmd);
+}
--- /dev/null
+/* $Id: ex.c 5173 2008-01-07 22:10:52Z mquinson $ */
+
+/* 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. */
+
+/* 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.
+ */
+
+/* Pointer function to SymInitialize() */
+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);
+
+/* Pointer function to SymFunctionTableAccess() */
+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);
+
+/* Pointer function to SymGetModuleBase() */
+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);
+
+/* Pointer function to SymGetSymFromAddr() */
+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);
+
+/* 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;
+
+/* initialize the debug help library */
+static int
+dbg_hlp_init(HANDLE process_handle);
+
+/* finalize the debug help library */
+static int
+dbg_hlp_finalize(void);
+
+/*
+ * backtrace() function.
+ *
+ * Returns a backtrace for the calling program, in the array
+ * pointed to by buffer. A backtrace is the series of currently active
+ * function calls for the program. Each item in the array pointed to by
+ * buffer is of type void *, and is the return address from the corre-
+ * sponding stack frame. The size argument specifies the maximum number
+ * of addresses that can be stored in buffer. If the backtrace is larger
+ * than size, then the addresses corresponding to the size most recent
+ * function calls are returned; to obtain the complete backtrace, make
+ * sure that buffer and size are large enough.
+ */
+
+int
+backtrace (void **buffer, int size);
+
+/*
+ * backtrace_symbols() function.
+ *
+ * Given the set of addresses returned by backtrace() in buffer, back-
+ * 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);
+
+#endif
+
+void xbt_ex_setup_backtrace(xbt_ex_t *e) {
+int i;
+char **backtrace = backtrace_symbols (e->bt, e->used);
+
+ /* 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[i]);
+ free(backtrace[i]);
+ }
+
+ free(backtrace);
+}
+
+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*)calloc(1,sizeof(STACKFRAME));
+
+ 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;
+ }
+ }
+
+ return pos;
+}
+
+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 = (char**)calloc(size,sizeof(char*));
+
+ 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("** <no symbol>");
+ }
+
+ free(stack_frame);
+ }
+ else
+ break;
+ }
+
+ if(!success)
+ {
+ free(strings);
+ strings = NULL;
+ }
+
+ dbg_hlp_finalize();
+
+ return strings;
+}
+
+static int
+dbg_hlp_init(HANDLE process_handle)
+{
+ if(dbg_hlp)
+ {
+ /* debug help is already loaded */
+ return 0;
+ }
+
+ /* allocation */
+ dbg_hlp = (xbt_debug_hlp_t)calloc(1,sizeof(s_xbt_debug_hlp_t));
+
+ 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;
+}
+
+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;
+}
+
+/* dummy implementation. We won't use the result, but ex.h needs it to be defined */
+int backtrace (void **__array, int __size) {
+ return 0;
+}
+
#include "gras/Virtu/virtu_interface.h" /* gras_os_myname */
#include "xbt/ex_interface.h"
-#if (defined(WIN32) && defined(_M_IX86))
-#include <dbghelp.h>
+#undef HAVE_BACKTRACE
+#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
+# define HAVE_BACKTRACE 1 /* Hello linux box */
#endif
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ex,xbt,"Exception mecanism");
-
-#if (defined(WIN32) && defined(_M_IX86))
-
-/*
- * Win32 (x86) implementation backtrace, backtrace_symbols
- * : support for application self-debugging.
- */
-
-/* Pointer function to SymInitialize() */
-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);
-
-/* Pointer function to SymFunctionTableAccess() */
-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);
-
-/* Pointer function to SymGetModuleBase() */
-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);
-
-/* Pointer function to SymGetSymFromAddr() */
-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);
-
-/* 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 representes 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;
-
-/* initialize the debug help library */
-static int
-dbg_hlp_init(HANDLE process_handle);
-
-/* finalize the debug help library */
-static int
-dbg_hlp_finalize(void);
-
-/*
- * backtrace() function.
- *
- * Returns a backtrace for the calling program, in the array
- * pointed to by buffer. A backtrace is the series of currently active
- * function calls for the program. Each item in the array pointed to by
- * buffer is of type void *, and is the return address from the corre-
- * sponding stack frame. The size argument specifies the maximum number
- * of addresses that can be stored in buffer. If the backtrace is larger
- * than size, then the addresses corresponding to the size most recent
- * function calls are returned; to obtain the complete backtrace, make
- * sure that buffer and size are large enough.
- */
-
-int
-backtrace (void **buffer, int size);
-
-/*
- * backtrace_symbols() function.
- *
- * Given the set of addresses returned by backtrace() in buffer, back-
- * 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);
+#if defined(WIN32) && defined(_M_IX86)
+# define HAVE_BACKTRACE 1 /* Hello x86 windows box */
+#endif
+
-#endif
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ex,xbt,"Exception mecanism");
/* default __ex_ctx callback function */
ex_ctx_t *__xbt_ex_ctx_default(void) {
void xbt_ex_setup_backtrace(xbt_ex_t *e);
void xbt_backtrace_current(xbt_ex_t *e) {
-#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE) || (defined(WIN32) && defined(_M_IX86))
+#ifdef HAVE_BACKTRACE
e->used = backtrace((void**)e->bt,XBT_BACKTRACE_SIZE);
e->bt_strings = NULL;
xbt_ex_setup_backtrace(e);
}
void xbt_backtrace_display(xbt_ex_t *e) {
-#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE) || (defined(WIN32) && defined(_M_IX86))
+#ifdef HAVE_BACKTRACE
int i;
if (e->used == 0) {
xbt_backtrace_display(&e);
}
-#ifndef WIN32
-extern char **environ; /* the environment, as specified by the opengroup */
-#endif
-
-void xbt_ex_setup_backtrace(xbt_ex_t *e) {
#if defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)
- int i;
- /* to get the backtrace from the libc */
- char **backtrace = backtrace_symbols (e->bt, e->used);
-
- /* To build the commandline of addr2line */
- char *cmd, *curr;
-
- /* to extract the addresses from the backtrace */
- char **addrs=xbt_new(char*,e->used);
- char buff[256],*p;
-
- /* To read the output of addr2line */
- FILE *pipe;
- char line_func[1024],line_pos[1024];
-
- /* size (in char) of pointers on this arch */
- int addr_len=0;
-
- /* To search for the right executable path when not trivial */
- struct stat stat_buf;
- char *binary_name = NULL;
-
- /* Some arches only have stubs of backtrace, no implementation (hppa comes to mind) */
- if (!e->used)
- return;
-
- /* build the commandline */
- if (stat(xbt_binary_name,&stat_buf)) {
- /* Damn. binary not in current dir. We'll have to dig the PATH to find it */
- int i;
- for (i=0; environ[i]; i++) {
- if (!strncmp("PATH=",environ[i], 5)) {
- xbt_dynar_t path=xbt_str_split(environ[i] + 5, ":");
- unsigned int cpt;
- char *data;
- xbt_dynar_foreach(path, cpt, data) {
- if (binary_name)
- free(binary_name);
- binary_name = bprintf("%s/%s",data,xbt_binary_name);
- if (!stat(binary_name,&stat_buf)) {
- /* Found. */
- DEBUG1("Looked in the PATH for the binary. Found %s",binary_name);
- xbt_dynar_free(&path);
- break;
- }
- }
- if (stat(binary_name,&stat_buf)) {
- /* not found */
- e->used = 1;
- e->bt_strings = xbt_new(char*,1);
- e->bt_strings[0] = bprintf("(binary '%s' not found the path)",xbt_binary_name);
- return;
- }
- xbt_dynar_free(&path);
- break;
- }
- }
- } else {
- binary_name = xbt_strdup(xbt_binary_name);
- }
- cmd = curr = xbt_new(char,strlen(ADDR2LINE)+25+strlen(binary_name)+32*e->used);
-
- curr += sprintf(curr,"%s -f -e %s ",ADDR2LINE,binary_name);
- free(binary_name);
-
- for (i=0; i<e->used;i++) {
- /* retrieve this address */
- DEBUG2("Retrieving address number %d from '%s'", i, backtrace[i]);
- snprintf(buff,256,"%s",strchr(backtrace[i],'[')+1);
- p=strchr(buff,']');
- *p='\0';
- if (strcmp(buff,"(nil)"))
- addrs[i]=bprintf("%s", buff);
- else
- addrs[i]=bprintf("0x0");
- DEBUG3("Set up a new address: %d, '%s'(%p)", i, addrs[i], addrs[i]);
-
- /* Add it to the command line args */
- curr+=sprintf(curr,"%s ",addrs[i]);
- }
- addr_len = strlen(addrs[0]);
-
- /* parse the output and build a new backtrace */
- e->bt_strings = xbt_new(char*,e->used);
-
- VERB1("Fire a first command: '%s'", cmd);
- pipe = popen(cmd, "r");
- if (!pipe) {
- CRITICAL0("Cannot fork addr2line to display the backtrace");
- abort();
- }
-
- for (i=0; i<e->used; i++) {
- DEBUG2("Looking for symbol %d, addr = '%s'", i, addrs[i]);
- fgets(line_func,1024,pipe);
- line_func[strlen(line_func)-1]='\0';
- fgets(line_pos,1024,pipe);
- line_pos[strlen(line_pos)-1]='\0';
-
- if (strcmp("??",line_func)) {
- DEBUG2("Found static symbol %s() at %s", line_func, line_pos);
- e->bt_strings[i] = bprintf("** In %s() at %s", line_func,line_pos);
- } else {
- /* Damn. The symbol is in a dynamic library. Let's get wild */
- char *maps_name;
- FILE *maps;
- char maps_buff[512];
-
- long int addr,offset=0;
- char *p,*p2;
-
- char *subcmd;
- FILE *subpipe;
- int found=0;
-
- /* let's look for the offset of this library in our addressing space */
- maps_name=bprintf("/proc/%d/maps",(int)getpid());
- maps=fopen(maps_name,"r");
-
- sscanf(addrs[i],"%lx",&addr);
- sprintf(maps_buff,"%#lx",addr);
-
- if (strcmp(addrs[i],maps_buff)) {
- CRITICAL2("Cannot parse backtrace address '%s' (addr=%#lx)",
- addrs[i], addr);
- }
- DEBUG2("addr=%s (as string) =%#lx (as number)",addrs[i],addr);
-
- while (!found) {
- long int first, last;
- if (fgets(maps_buff,512,maps) == NULL)
- break;
- if (i==0) {
- maps_buff[strlen(maps_buff) -1]='\0';
- DEBUG1("map line: %s", maps_buff);
- }
- sscanf(maps_buff,"%lx",&first);
- p=strchr(maps_buff,'-')+1;
- sscanf(p,"%lx",&last);
- if (first < addr && addr < last) {
- offset = first;
- found=1;
- }
- if (found) {
- DEBUG3("%#lx in [%#lx-%#lx]", addr, first,last);
- DEBUG0("Symbol found, map lines not further displayed (even if looking for next ones)");
- }
- }
- fclose(maps);
- free(maps_name);
-
- if (!found) {
- VERB0("Problem while reading the maps file. Following backtrace will be mangled.");
- DEBUG1("No dynamic. Static symbol: %s", backtrace[i]);
- e->bt_strings[i] = bprintf("** In ?? (%s)", backtrace[i]);
- continue;
- }
-
- /* Ok, Found the offset of the maps line containing the searched symbol.
- We now need to substract this from the address we got from backtrace.
- */
-
- free(addrs[i]);
- addrs[i] = bprintf("0x%0*lx",addr_len-2,addr-offset);
- DEBUG2("offset=%#lx new addr=%s",offset,addrs[i]);
-
- /* Got it. We have our new address. Let's get the library path and we
- are set */
- p = xbt_strdup(backtrace[i]);
- if (p[0]=='[') {
- /* library path not displayed in the map file either... */
- free(p);
- sprintf(line_func,"??");
- } else {
- p2 = strrchr(p,'(');
- if (p2) *p2= '\0';
- p2 = strrchr(p,' ');
- if(p2) *p2= '\0';
-
- /* Here we go, fire an addr2line up */
- subcmd = bprintf("%s -f -e %s %s",ADDR2LINE,p, addrs[i]);
- free(p);
- VERB1("Fire a new command: '%s'",subcmd);
- subpipe = popen(subcmd,"r");
- if (!subpipe) {
- CRITICAL0("Cannot fork addr2line to display the backtrace");
- abort();
- }
- fgets(line_func,1024,subpipe);
- line_func[strlen(line_func)-1]='\0';
- fgets(line_pos,1024,subpipe);
- line_pos[strlen(line_pos)-1]='\0';
- pclose(subpipe);
- free(subcmd);
- }
-
- /* check whether the trick worked */
- if (strcmp("??",line_func)) {
- DEBUG2("Found dynamic symbol %s() at %s", line_func, line_pos);
- e->bt_strings[i] = bprintf("** In %s() at %s", line_func,line_pos);
- } else {
- /* damn, nothing to do here. Let's print the raw address */
- DEBUG1("Dynamic symbol not found. Raw address = %s", backtrace[i]);
- e->bt_strings[i] = bprintf("** In ?? at %s", backtrace[i]);
- }
-
- }
- free(addrs[i]);
-
- /* Mask the bottom of the stack */
- if (!strncmp("main",line_func,strlen("main")) ||
- !strncmp("xbt_thread_context_wrapper",line_func,strlen("xbt_thread_context_wrapper"))) {
- int j;
- for (j=i+1; j<e->used; j++)
- free(addrs[j]);
- e->used = i;
-
- if (!strncmp("xbt_thread_context_wrapper",line_func,strlen("xbt_thread_context_wrapper"))) {
- e->used++;
- e->bt_strings[i] = bprintf("** (in a separate thread)");
- }
- }
-
-
- }
- pclose(pipe);
- free(addrs);
- free(backtrace);
- free(cmd);
+# include "backtrace_linux.c"
#elif (defined(WIN32) && defined (_M_IX86))
-int i;
-char **backtrace = backtrace_symbols (e->bt, e->used);
-
- /* 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[i]);
- free(backtrace[i]);
- }
-
- free(backtrace);
+# include "backtrace_windows.c"
+#else
+void xbt_ex_setup_backtrace(xbt_ex_t *e) {
+}
#endif
-}
/** @brief shows an exception content and the associated stack if available */
void xbt_ex_display(xbt_ex_t *e) {
if (!e->remote && !e->bt_strings)
xbt_ex_setup_backtrace(e);
-#if (defined(HAVE_EXECINFO_H) && defined(HAVE_POPEN) && defined(ADDR2LINE)) || (defined(WIN32) && defined(_M_IX86))
+#ifdef HAVE_BACKTRACE
/* We have everything to build neat backtraces */
{
int i;
}
}
-#ifndef HAVE_EXECINFO_H
-# if (defined(WIN32) && defined(_M_IX86))
-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*)calloc(1,sizeof(STACKFRAME));
-
- 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;
- }
- }
-
- return pos;
-}
-
-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 = (char**)calloc(size,sizeof(char*));
-
- 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("** <no symbol>");
- }
-
- free(stack_frame);
- }
- else
- break;
- }
-
- if(!success)
- {
- free(strings);
- strings = NULL;
- }
-
- dbg_hlp_finalize();
-
- return strings;
-}
-
-static int
-dbg_hlp_init(HANDLE process_handle)
-{
- if(dbg_hlp)
- {
- /* debug help is already loaded */
- return 0;
- }
-
- /* allocation */
- dbg_hlp = (xbt_debug_hlp_t)calloc(1,sizeof(s_xbt_debug_hlp_t));
-
- 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;
-}
-
-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;
-}
-# endif
-#else
-/* dummy implementation. We won't use the result, but ex.h needs it to be defined */
-int backtrace (void **__array, int __size) {
- return 0;
-}
-
-#endif
#ifdef SIMGRID_TEST
#include <stdio.h>