implemented wxStackWalker for Unix (using glibc-specific methods); moved wxUSE_STACKWALKER to common setu_inc.h

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31474 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

Makefile.in

@@ -403,6 +403,7 @@ ALL_BASE_SOURCES =  \
 	src/unix/dlunix.cpp \
 	src/unix/mimetype.cpp \
 	src/unix/snglinst.cpp \
+	src/unix/stackwalk.cpp \
 	src/unix/stdpaths.cpp \
 	src/unix/threadpsx.cpp \
 	src/msw/basemsw.cpp \
@@ -1196,6 +1197,7 @@ COND_PLATFORM_UNIX_1_BASE_PLATFORM_HDR =  \
 	wx/unix/execute.h \
 	wx/unix/mimetype.h \
 	wx/unix/pipe.h \
+	wx/unix/stackwalk.h \
 	wx/unix/stdpaths.h
 @COND_PLATFORM_UNIX_1@BASE_PLATFORM_HDR = $(COND_PLATFORM_UNIX_1_BASE_PLATFORM_HDR)
 COND_PLATFORM_WIN32_1_BASE_PLATFORM_HDR =  \
@@ -1219,6 +1221,7 @@ COND_TOOLKIT_COCOA_BASE_PLATFORM_HDR =  \
 	wx/unix/execute.h \
 	wx/unix/mimetype.h \
 	wx/unix/pipe.h \
+	wx/unix/stackwalk.h \
 	wx/unix/stdpaths.h
 @COND_TOOLKIT_COCOA@BASE_PLATFORM_HDR = $(COND_TOOLKIT_COCOA_BASE_PLATFORM_HDR)
 COND_TOOLKIT_MAC_BASE_PLATFORM_HDR =  \
@@ -2483,6 +2486,7 @@ COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS =  \
 	monodll_dlunix.o \
 	monodll_mimetype.o \
 	monodll_snglinst.o \
+	monodll_stackwalk.o \
 	monodll_stdpaths.o \
 	monodll_threadpsx.o
 @COND_PLATFORM_UNIX_1@__BASE_PLATFORM_SRC_OBJECTS = $(COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS)
@@ -2511,6 +2515,7 @@ COND_TOOLKIT____BASE_MACOSX_SRC_OBJECTS =  \
 	monodll_dlunix.o \
 	monodll_mimetype.o \
 	monodll_snglinst.o \
+	monodll_stackwalk.o \
 	monodll_stdpaths.o \
 	monodll_threadpsx.o \
 	monodll_cfstring.o \
@@ -2522,6 +2527,7 @@ COND_TOOLKIT_COCOA___BASE_MACOSX_SRC_OBJECTS =  \
 	monodll_dlunix.o \
 	monodll_mimetype.o \
 	monodll_snglinst.o \
+	monodll_stackwalk.o \
 	monodll_stdpaths.o \
 	monodll_threadpsx.o \
 	monodll_cfstring.o \
@@ -2533,6 +2539,7 @@ COND_TOOLKIT_GTK___BASE_MACOSX_SRC_OBJECTS =  \
 	monodll_dlunix.o \
 	monodll_mimetype.o \
 	monodll_snglinst.o \
+	monodll_stackwalk.o \
 	monodll_stdpaths.o \
 	monodll_threadpsx.o \
 	monodll_cfstring.o \
@@ -2557,6 +2564,7 @@ COND_TOOLKIT_MOTIF___BASE_MACOSX_SRC_OBJECTS =  \
 	monodll_dlunix.o \
 	monodll_mimetype.o \
 	monodll_snglinst.o \
+	monodll_stackwalk.o \
 	monodll_stdpaths.o \
 	monodll_threadpsx.o \
 	monodll_cfstring.o \
@@ -2568,6 +2576,7 @@ COND_TOOLKIT_X11___BASE_MACOSX_SRC_OBJECTS =  \
 	monodll_dlunix.o \
 	monodll_mimetype.o \
 	monodll_snglinst.o \
+	monodll_stackwalk.o \
 	monodll_stdpaths.o \
 	monodll_threadpsx.o \
 	monodll_cfstring.o \
@@ -3916,6 +3925,7 @@ COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS_1 =  \
 	monolib_dlunix.o \
 	monolib_mimetype.o \
 	monolib_snglinst.o \
+	monolib_stackwalk.o \
 	monolib_stdpaths.o \
 	monolib_threadpsx.o
 @COND_PLATFORM_UNIX_1@__BASE_PLATFORM_SRC_OBJECTS_1 = $(COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS_1)
@@ -3944,6 +3954,7 @@ COND_TOOLKIT____BASE_MACOSX_SRC_OBJECTS_1 =  \
 	monolib_dlunix.o \
 	monolib_mimetype.o \
 	monolib_snglinst.o \
+	monolib_stackwalk.o \
 	monolib_stdpaths.o \
 	monolib_threadpsx.o \
 	monolib_cfstring.o \
@@ -3955,6 +3966,7 @@ COND_TOOLKIT_COCOA___BASE_MACOSX_SRC_OBJECTS_1 =  \
 	monolib_dlunix.o \
 	monolib_mimetype.o \
 	monolib_snglinst.o \
+	monolib_stackwalk.o \
 	monolib_stdpaths.o \
 	monolib_threadpsx.o \
 	monolib_cfstring.o \
@@ -3966,6 +3978,7 @@ COND_TOOLKIT_GTK___BASE_MACOSX_SRC_OBJECTS_1 =  \
 	monolib_dlunix.o \
 	monolib_mimetype.o \
 	monolib_snglinst.o \
+	monolib_stackwalk.o \
 	monolib_stdpaths.o \
 	monolib_threadpsx.o \
 	monolib_cfstring.o \
@@ -3990,6 +4003,7 @@ COND_TOOLKIT_MOTIF___BASE_MACOSX_SRC_OBJECTS_1 =  \
 	monolib_dlunix.o \
 	monolib_mimetype.o \
 	monolib_snglinst.o \
+	monolib_stackwalk.o \
 	monolib_stdpaths.o \
 	monolib_threadpsx.o \
 	monolib_cfstring.o \
@@ -4001,6 +4015,7 @@ COND_TOOLKIT_X11___BASE_MACOSX_SRC_OBJECTS_1 =  \
 	monolib_dlunix.o \
 	monolib_mimetype.o \
 	monolib_snglinst.o \
+	monolib_stackwalk.o \
 	monolib_stdpaths.o \
 	monolib_threadpsx.o \
 	monolib_cfstring.o \
@@ -5386,6 +5401,7 @@ COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS_2 =  \
 	basedll_dlunix.o \
 	basedll_mimetype.o \
 	basedll_snglinst.o \
+	basedll_stackwalk.o \
 	basedll_stdpaths.o \
 	basedll_threadpsx.o
 @COND_PLATFORM_UNIX_1@__BASE_PLATFORM_SRC_OBJECTS_2 = $(COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS_2)
@@ -5414,6 +5430,7 @@ COND_TOOLKIT____BASE_MACOSX_SRC_OBJECTS_2 =  \
 	basedll_dlunix.o \
 	basedll_mimetype.o \
 	basedll_snglinst.o \
+	basedll_stackwalk.o \
 	basedll_stdpaths.o \
 	basedll_threadpsx.o \
 	basedll_cfstring.o \
@@ -5425,6 +5442,7 @@ COND_TOOLKIT_COCOA___BASE_MACOSX_SRC_OBJECTS_2 =  \
 	basedll_dlunix.o \
 	basedll_mimetype.o \
 	basedll_snglinst.o \
+	basedll_stackwalk.o \
 	basedll_stdpaths.o \
 	basedll_threadpsx.o \
 	basedll_cfstring.o \
@@ -5436,6 +5454,7 @@ COND_TOOLKIT_GTK___BASE_MACOSX_SRC_OBJECTS_2 =  \
 	basedll_dlunix.o \
 	basedll_mimetype.o \
 	basedll_snglinst.o \
+	basedll_stackwalk.o \
 	basedll_stdpaths.o \
 	basedll_threadpsx.o \
 	basedll_cfstring.o \
@@ -5460,6 +5479,7 @@ COND_TOOLKIT_MOTIF___BASE_MACOSX_SRC_OBJECTS_2 =  \
 	basedll_dlunix.o \
 	basedll_mimetype.o \
 	basedll_snglinst.o \
+	basedll_stackwalk.o \
 	basedll_stdpaths.o \
 	basedll_threadpsx.o \
 	basedll_cfstring.o \
@@ -5471,6 +5491,7 @@ COND_TOOLKIT_X11___BASE_MACOSX_SRC_OBJECTS_2 =  \
 	basedll_dlunix.o \
 	basedll_mimetype.o \
 	basedll_snglinst.o \
+	basedll_stackwalk.o \
 	basedll_stdpaths.o \
 	basedll_threadpsx.o \
 	basedll_cfstring.o \
@@ -5526,6 +5547,7 @@ COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS_3 =  \
 	baselib_dlunix.o \
 	baselib_mimetype.o \
 	baselib_snglinst.o \
+	baselib_stackwalk.o \
 	baselib_stdpaths.o \
 	baselib_threadpsx.o
 @COND_PLATFORM_UNIX_1@__BASE_PLATFORM_SRC_OBJECTS_3 = $(COND_PLATFORM_UNIX_1___BASE_PLATFORM_SRC_OBJECTS_3)
@@ -5554,6 +5576,7 @@ COND_TOOLKIT____BASE_MACOSX_SRC_OBJECTS_3 =  \
 	baselib_dlunix.o \
 	baselib_mimetype.o \
 	baselib_snglinst.o \
+	baselib_stackwalk.o \
 	baselib_stdpaths.o \
 	baselib_threadpsx.o \
 	baselib_cfstring.o \
@@ -5565,6 +5588,7 @@ COND_TOOLKIT_COCOA___BASE_MACOSX_SRC_OBJECTS_3 =  \
 	baselib_dlunix.o \
 	baselib_mimetype.o \
 	baselib_snglinst.o \
+	baselib_stackwalk.o \
 	baselib_stdpaths.o \
 	baselib_threadpsx.o \
 	baselib_cfstring.o \
@@ -5576,6 +5600,7 @@ COND_TOOLKIT_GTK___BASE_MACOSX_SRC_OBJECTS_3 =  \
 	baselib_dlunix.o \
 	baselib_mimetype.o \
 	baselib_snglinst.o \
+	baselib_stackwalk.o \
 	baselib_stdpaths.o \
 	baselib_threadpsx.o \
 	baselib_cfstring.o \
@@ -5600,6 +5625,7 @@ COND_TOOLKIT_MOTIF___BASE_MACOSX_SRC_OBJECTS_3 =  \
 	baselib_dlunix.o \
 	baselib_mimetype.o \
 	baselib_snglinst.o \
+	baselib_stackwalk.o \
 	baselib_stdpaths.o \
 	baselib_threadpsx.o \
 	baselib_cfstring.o \
@@ -5611,6 +5637,7 @@ COND_TOOLKIT_X11___BASE_MACOSX_SRC_OBJECTS_3 =  \
 	baselib_dlunix.o \
 	baselib_mimetype.o \
 	baselib_snglinst.o \
+	baselib_stackwalk.o \
 	baselib_stdpaths.o \
 	baselib_threadpsx.o \
 	baselib_cfstring.o \
@@ -9944,9 +9971,6 @@ monodll_regconf.o: $(srcdir)/src/msw/regconf.cpp $(MONODLL_ODEP)
 monodll_registry.o: $(srcdir)/src/msw/registry.cpp $(MONODLL_ODEP)
 	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
 
-monodll_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(MONODLL_ODEP)
-	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
-
 monodll_time.o: $(srcdir)/src/msw/wince/time.cpp $(MONODLL_ODEP)
 	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
 
@@ -10526,6 +10550,27 @@ monodll_gprint.o: $(srcdir)/src/gtk/gnome/gprint.cpp $(MONODLL_ODEP)
 @COND_PLATFORM_WIN32_1@monodll_snglinst.o: $(srcdir)/src/msw/snglinst.cpp $(MONODLL_ODEP)
 @COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
 
+@COND_PLATFORM_UNIX_1@monodll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@monodll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@monodll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@monodll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@monodll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@monodll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
+@COND_PLATFORM_WIN32_1@monodll_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(MONODLL_ODEP)
+@COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
+
 @COND_PLATFORM_UNIX_1@monodll_stdpaths.o: $(srcdir)/src/unix/stdpaths.cpp $(MONODLL_ODEP)
 @COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(MONODLL_CXXFLAGS) $<
 
@@ -13304,9 +13349,6 @@ monolib_regconf.o: $(srcdir)/src/msw/regconf.cpp $(MONOLIB_ODEP)
 monolib_registry.o: $(srcdir)/src/msw/registry.cpp $(MONOLIB_ODEP)
 	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
 
-monolib_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(MONOLIB_ODEP)
-	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
-
 monolib_time.o: $(srcdir)/src/msw/wince/time.cpp $(MONOLIB_ODEP)
 	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
 
@@ -13886,6 +13928,27 @@ monolib_gprint.o: $(srcdir)/src/gtk/gnome/gprint.cpp $(MONOLIB_ODEP)
 @COND_PLATFORM_WIN32_1@monolib_snglinst.o: $(srcdir)/src/msw/snglinst.cpp $(MONOLIB_ODEP)
 @COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
 
+@COND_PLATFORM_UNIX_1@monolib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@monolib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@monolib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@monolib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@monolib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@monolib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
+@COND_PLATFORM_WIN32_1@monolib_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(MONOLIB_ODEP)
+@COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
+
 @COND_PLATFORM_UNIX_1@monolib_stdpaths.o: $(srcdir)/src/unix/stdpaths.cpp $(MONOLIB_ODEP)
 @COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(MONOLIB_CXXFLAGS) $<
 
@@ -16664,9 +16727,6 @@ basedll_regconf.o: $(srcdir)/src/msw/regconf.cpp $(BASEDLL_ODEP)
 basedll_registry.o: $(srcdir)/src/msw/registry.cpp $(BASEDLL_ODEP)
 	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
 
-basedll_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(BASEDLL_ODEP)
-	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
-
 basedll_time.o: $(srcdir)/src/msw/wince/time.cpp $(BASEDLL_ODEP)
 	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
 
@@ -16832,6 +16892,27 @@ basedll_uma.o: $(srcdir)/src/mac/carbon/uma.cpp $(BASEDLL_ODEP)
 @COND_PLATFORM_WIN32_1@basedll_snglinst.o: $(srcdir)/src/msw/snglinst.cpp $(BASEDLL_ODEP)
 @COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
 
+@COND_PLATFORM_UNIX_1@basedll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@basedll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@basedll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@basedll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@basedll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@basedll_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
+@COND_PLATFORM_WIN32_1@basedll_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(BASEDLL_ODEP)
+@COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
+
 @COND_PLATFORM_UNIX_1@basedll_stdpaths.o: $(srcdir)/src/unix/stdpaths.cpp $(BASEDLL_ODEP)
 @COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(BASEDLL_CXXFLAGS) $<
 
@@ -17168,9 +17249,6 @@ baselib_regconf.o: $(srcdir)/src/msw/regconf.cpp $(BASELIB_ODEP)
 baselib_registry.o: $(srcdir)/src/msw/registry.cpp $(BASELIB_ODEP)
 	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
 
-baselib_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(BASELIB_ODEP)
-	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
-
 baselib_time.o: $(srcdir)/src/msw/wince/time.cpp $(BASELIB_ODEP)
 	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
 
@@ -17336,6 +17414,27 @@ baselib_uma.o: $(srcdir)/src/mac/carbon/uma.cpp $(BASELIB_ODEP)
 @COND_PLATFORM_WIN32_1@baselib_snglinst.o: $(srcdir)/src/msw/snglinst.cpp $(BASELIB_ODEP)
 @COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
 
+@COND_PLATFORM_UNIX_1@baselib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@baselib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_COCOA@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@baselib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_GTK@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@baselib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_X11@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@baselib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_MOTIF@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@baselib_stackwalk.o: $(srcdir)/src/unix/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_MACOSX_1_TOOLKIT_@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
+@COND_PLATFORM_WIN32_1@baselib_stackwalk.o: $(srcdir)/src/msw/stackwalk.cpp $(BASELIB_ODEP)
+@COND_PLATFORM_WIN32_1@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
+
 @COND_PLATFORM_UNIX_1@baselib_stdpaths.o: $(srcdir)/src/unix/stdpaths.cpp $(BASELIB_ODEP)
 @COND_PLATFORM_UNIX_1@	$(CXXC) -c -o $@ $(BASELIB_CXXFLAGS) $<
 

build/bakefiles/files.bkl

@@ -59,6 +59,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     src/unix/dlunix.cpp
     src/unix/mimetype.cpp
     src/unix/snglinst.cpp
+    src/unix/stackwalk.cpp
     src/unix/stdpaths.cpp
     src/unix/threadpsx.cpp
 </set>
@@ -71,6 +72,7 @@ IMPORTANT: please read docs/tech/tn0016.txt before modifying this file!
     wx/unix/execute.h
     wx/unix/mimetype.h
     wx/unix/pipe.h
+    wx/unix/stackwalk.h
     wx/unix/stdpaths.h
 </set>
 

configure

@@ -904,6 +904,7 @@ Optional Features:
   --enable-ipc            use interprocess communication (wxSocket etc.)
   --enable-apple_ieee     use the Apple IEEE codec
   --enable-catch_segvs    catch signals in wxApp::OnFatalException (Unix only)
+  --enable-backtrace      use wxStackWalker class for getting backtraces
   --enable-cmdline        use wxCmdLineParser class
   --enable-datetime       use wxDateTime class
   --enable-dialupman      use dialup network classes
@@ -2069,6 +2070,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_OPENGL=no
 
   DEFAULT_wxUSE_ON_FATAL_EXCEPTION=no
+  DEFAULT_wxUSE_STACKWALKER=no
   DEFAULT_wxUSE_SNGLINST_CHECKER=no
   DEFAULT_wxUSE_STD_IOSTREAM=no
   DEFAULT_wxUSE_CMDLINE_PARSER=no
@@ -2259,6 +2261,7 @@ else
   DEFAULT_wxUSE_OPENGL=no
 
   DEFAULT_wxUSE_ON_FATAL_EXCEPTION=yes
+  DEFAULT_wxUSE_STACKWALKER=yes
   DEFAULT_wxUSE_SNGLINST_CHECKER=yes
   DEFAULT_wxUSE_STD_IOSTREAM=no
   DEFAULT_wxUSE_CMDLINE_PARSER=yes
@@ -4704,6 +4707,47 @@ echo "${ECHO_T}no" >&6
           fi
 
 
+	  enablestring=
+          echo "$as_me:$LINENO: checking for --${enablestring:-enable}-backtrace" >&5
+echo $ECHO_N "checking for --${enablestring:-enable}-backtrace... $ECHO_C" >&6
+          no_cache=0
+          # Check whether --enable-backtrace or --disable-backtrace was given.
+if test "${enable_backtrace+set}" = set; then
+  enableval="$enable_backtrace"
+
+                          if test "$enableval" = yes; then
+                            ac_cv_use_backtrace='wxUSE_STACKWALKER=yes'
+                          else
+                            ac_cv_use_backtrace='wxUSE_STACKWALKER=no'
+                          fi
+
+else
+
+                          LINE=`grep "wxUSE_STACKWALKER" ${wx_arg_cache_file}`
+                          if test "x$LINE" != x ; then
+                            eval "DEFAULT_$LINE"
+                          else
+                            no_cache=1
+                          fi
+
+                          ac_cv_use_backtrace='wxUSE_STACKWALKER='$DEFAULT_wxUSE_STACKWALKER
+
+fi;
+
+          eval "$ac_cv_use_backtrace"
+          if test "$no_cache" != 1; then
+            echo $ac_cv_use_backtrace >> ${wx_arg_cache_file}.tmp
+          fi
+
+          if test "$wxUSE_STACKWALKER" = yes; then
+            echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+          else
+            echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+          fi
+
+
 	  enablestring=
           echo "$as_me:$LINENO: checking for --${enablestring:-enable}-cmdline" >&5
 echo $ECHO_N "checking for --${enablestring:-enable}-cmdline... $ECHO_C" >&6
@@ -29984,6 +30028,161 @@ _ACEOF
     fi
 fi
 
+if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
+
+
+    ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+    echo "$as_me:$LINENO: checking for backtrace() in <execinfo.h>" >&5
+echo $ECHO_N "checking for backtrace() in <execinfo.h>... $ECHO_C" >&6
+if test "${wx_cv_func_backtrace+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+            cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <execinfo.h>
+int
+main ()
+{
+
+                    void *trace[1];
+                    char **messages;
+
+                    backtrace(trace, 1);
+                    messages = backtrace_symbols(trace, 1);
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  wx_cv_func_backtrace=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+wx_cv_func_backtrace=no
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+echo "$as_me:$LINENO: result: $wx_cv_func_backtrace" >&5
+echo "${ECHO_T}$wx_cv_func_backtrace" >&6
+
+
+    if test "$wx_cv_func_backtrace" = "no"; then
+        { echo "$as_me:$LINENO: WARNING: backtrace() is not available, wxStackWalker will not be available" >&5
+echo "$as_me: WARNING: backtrace() is not available, wxStackWalker will not be available" >&2;}
+        wxUSE_STACKWALKER=no
+    else
+        echo "$as_me:$LINENO: checking for __cxa_demangle() in <cxxabi.h>" >&5
+echo $ECHO_N "checking for __cxa_demangle() in <cxxabi.h>... $ECHO_C" >&6
+if test "${wx_cv_func_cxa_demangle+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+                cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <cxxabi.h>
+int
+main ()
+{
+
+                        int rc;
+                        __cxxabiv1::__cxa_demangle("foo", 0, 0, &rc);
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  wx_cv_func_cxa_demangle=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+wx_cv_func_cxa_demangle=no
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+fi
+echo "$as_me:$LINENO: result: $wx_cv_func_cxa_demangle" >&5
+echo "${ECHO_T}$wx_cv_func_cxa_demangle" >&6
+
+        if test "$wx_cv_func_cxa_demangle" = "yes"; then
+            cat >>confdefs.h <<\_ACEOF
+#define HAVE_CXA_DEMANGLE 1
+_ACEOF
+
+        fi
+    fi
+
+    ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+fi
+
 
 
 for ac_func in mkstemp mktemp
@@ -34843,6 +35042,13 @@ _ACEOF
 
 fi
 
+if test "$wxUSE_STACKWALKER" = "yes"; then
+    cat >>confdefs.h <<\_ACEOF
+#define wxUSE_STACKWALKER 1
+_ACEOF
+
+fi
+
 if test "$wxUSE_SNGLINST_CHECKER" = "yes"; then
   cat >>confdefs.h <<\_ACEOF
 #define wxUSE_SNGLINST_CHECKER 1
@@ -40202,8 +40408,6 @@ fi
 
 
 
-
-
 BAKEFILE_AUTOCONF_INC_M4_VERSION="0.1.4"
 
 

configure.in

@@ -417,6 +417,7 @@ if test $DEBUG_CONFIGURE = 1; then
   DEFAULT_wxUSE_OPENGL=no
 
   DEFAULT_wxUSE_ON_FATAL_EXCEPTION=no
+  DEFAULT_wxUSE_STACKWALKER=no
   DEFAULT_wxUSE_SNGLINST_CHECKER=no
   DEFAULT_wxUSE_STD_IOSTREAM=no
   DEFAULT_wxUSE_CMDLINE_PARSER=no
@@ -607,6 +608,7 @@ else
   DEFAULT_wxUSE_OPENGL=no
 
   DEFAULT_wxUSE_ON_FATAL_EXCEPTION=yes
+  DEFAULT_wxUSE_STACKWALKER=yes
   DEFAULT_wxUSE_SNGLINST_CHECKER=yes
   DEFAULT_wxUSE_STD_IOSTREAM=no
   DEFAULT_wxUSE_CMDLINE_PARSER=yes
@@ -881,6 +883,7 @@ WX_ARG_ENABLE(ipc,           [  --enable-ipc            use interprocess communi
 dnl please keep the settings below in alphabetical order
 WX_ARG_ENABLE(apple_ieee,    [  --enable-apple_ieee     use the Apple IEEE codec], wxUSE_APPLE_IEEE)
 WX_ARG_ENABLE(catch_segvs,   [  --enable-catch_segvs    catch signals in wxApp::OnFatalException (Unix only)], wxUSE_ON_FATAL_EXCEPTION)
+WX_ARG_ENABLE(backtrace,     [  --enable-backtrace      use wxStackWalker class for getting backtraces], wxUSE_STACKWALKER)
 WX_ARG_ENABLE(cmdline,       [  --enable-cmdline        use wxCmdLineParser class], wxUSE_CMDLINE_PARSER)
 WX_ARG_ENABLE(datetime,      [  --enable-datetime       use wxDateTime class], wxUSE_DATETIME)
 WX_ARG_ENABLE(dialupman,     [  --enable-dialupman      use dialup network classes], wxUSE_DIALUP_MANAGER)
@@ -3759,6 +3762,53 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes" -a "$wxUSE_UNIX" = "yes"; then
     fi
 fi
 
+dnl backtrace() and backtrace_symbols() for wxStackWalker
+if test "$wxUSE_STACKWALKER" = "yes" -a "$wxUSE_UNIX" = "yes"; then
+    AC_LANG_SAVE
+    AC_LANG_CPLUSPLUS
+
+    AC_CACHE_CHECK([for backtrace() in <execinfo.h>], wx_cv_func_backtrace,
+        [
+            AC_TRY_COMPILE([#include <execinfo.h>],
+                [
+                    void *trace[1];
+                    char **messages;
+
+                    backtrace(trace, 1);
+                    messages = backtrace_symbols(trace, 1);
+                ],
+                wx_cv_func_backtrace=yes,
+                wx_cv_func_backtrace=no
+            )
+        ]
+    )
+
+
+    if test "$wx_cv_func_backtrace" = "no"; then
+        AC_MSG_WARN([backtrace() is not available, wxStackWalker will not be available])
+        wxUSE_STACKWALKER=no
+    else
+        AC_CACHE_CHECK([for __cxa_demangle() in <cxxabi.h>], wx_cv_func_cxa_demangle,
+            [
+                AC_TRY_COMPILE([#include <cxxabi.h>],
+                    [
+                        int rc;
+                        __cxxabiv1::__cxa_demangle("foo", 0, 0, &rc);
+                    ],
+                    wx_cv_func_cxa_demangle=yes,
+                    wx_cv_func_cxa_demangle=no
+                )
+            ]
+        )
+
+        if test "$wx_cv_func_cxa_demangle" = "yes"; then
+            AC_DEFINE(HAVE_CXA_DEMANGLE)
+        fi
+    fi
+
+    AC_LANG_RESTORE
+fi
+
 dnl check for the function for temp files creation
 AC_CHECK_FUNCS(mkstemp mktemp, break)
 
@@ -4718,6 +4768,10 @@ if test "$wxUSE_ON_FATAL_EXCEPTION" = "yes"; then
   AC_DEFINE(wxUSE_ON_FATAL_EXCEPTION)
 fi
 
+if test "$wxUSE_STACKWALKER" = "yes"; then
+    AC_DEFINE(wxUSE_STACKWALKER)
+fi
+
 if test "$wxUSE_SNGLINST_CHECKER" = "yes"; then
   AC_DEFINE(wxUSE_SNGLINST_CHECKER)
 fi

include/wx/mac/setup0.h

@@ -128,6 +128,15 @@
     #define wxUSE_ON_FATAL_EXCEPTION 0
 #endif
 
+// Set this to 1 to be able to generate a human-readable (unlike
+// machine-readable minidumop created by wxCrashReport::Generate()) stack back
+// trace when your program crashes using wxStackWalker
+//
+// Default is 1 if supported by the compiler.
+//
+// Recommended setting: 1, set to 0 if your programs never crash
+#define wxUSE_STACKWALKER 1
+
 // ----------------------------------------------------------------------------
 // Unicode support
 // ----------------------------------------------------------------------------
@@ -1039,6 +1048,9 @@
 
     #undef wxUSE_STD_IOSTREAM
     #define wxUSE_STD_IOSTREAM  1
+
+    #undef wxUSE_STACKWALKER
+    #define wxUSE_STACKWALKER 0
 #endif
 
 // things not implemented under Mac

include/wx/msw/setup0.h

@@ -127,6 +127,15 @@
     #define wxUSE_ON_FATAL_EXCEPTION 0
 #endif
 
+// Set this to 1 to be able to generate a human-readable (unlike
+// machine-readable minidumop created by wxCrashReport::Generate()) stack back
+// trace when your program crashes using wxStackWalker
+//
+// Default is 1 if supported by the compiler.
+//
+// Recommended setting: 1, set to 0 if your programs never crash
+#define wxUSE_STACKWALKER 1
+
 // ----------------------------------------------------------------------------
 // Unicode support
 // ----------------------------------------------------------------------------
@@ -1111,15 +1120,6 @@
 // Recommended setting: 1, set to 0 if your programs never crash
 #define wxUSE_CRASHREPORT 1
 
-// Set this to 1 to be able to generate a human-readable (unlike
-// machine-readable minidumop created by wxCrashReport::Generate()) stack back
-// trace when your program crashes using wxStackWalker
-//
-// Default is 1 if supported by the compiler.
-//
-// Recommended setting: 1, set to 0 if your programs never crash
-#define wxUSE_STACKWALKER 1
-
 // ----------------------------------------------------------------------------
 // obsolete settings
 // ----------------------------------------------------------------------------

include/wx/msw/stackwalk.h

@@ -84,7 +84,9 @@ private:
 class WXDLLIMPEXP_BASE wxStackWalker : public wxStackWalkerBase
 {
 public:
-    wxStackWalker() { }
+    // we don't use ctor argument, it is for compatibility with Unix version
+    // only
+    wxStackWalker(const char * WXUNUSED(argv0) = NULL) { }
 
     virtual void Walk(size_t skip = 1);
     virtual void WalkFromException();

include/wx/setup_inc.h

@@ -112,6 +112,15 @@
     #define wxUSE_ON_FATAL_EXCEPTION 0
 #endif
 
+// Set this to 1 to be able to generate a human-readable (unlike
+// machine-readable minidumop created by wxCrashReport::Generate()) stack back
+// trace when your program crashes using wxStackWalker
+//
+// Default is 1 if supported by the compiler.
+//
+// Recommended setting: 1, set to 0 if your programs never crash
+#define wxUSE_STACKWALKER 1
+
 // ----------------------------------------------------------------------------
 // Unicode support
 // ----------------------------------------------------------------------------

include/wx/stackwalk.h

@@ -54,6 +54,9 @@ public:
     // return the instruction pointer offset from the start of the function
     size_t GetOffset() const { ConstCast()->OnGetName(); return m_offset; }
 
+    // get the module this function belongs to (not always available)
+    wxString GetModule() const { ConstCast()->OnGetName(); return m_module; }
+
 
     // return true if we have the filename and line number for this frame
     bool HasSourceLocation() const { return !GetFileName().empty(); }
@@ -101,7 +104,9 @@ protected:
     size_t m_level;
 
     wxString m_name,
+             m_module,
              m_filename;
+
     size_t m_line;
 
     void *m_address;
@@ -118,6 +123,9 @@ public:
     // ctor does nothing, use Walk() to walk the stack
     wxStackWalkerBase() { }
 
+    // dtor does nothing neither but should be virtual
+    virtual ~wxStackWalkerBase() { }
+
     // enumerate stack frames from the current location, skipping the initial
     // number of them (this can be useful when Walk() is called from some known
     // location and you don't want to see the first few frames anyhow; also
@@ -136,6 +144,10 @@ protected:
 
 #ifdef __WXMSW__
     #include "wx/msw/stackwalk.h"
+#elif defined(__UNIX__)
+    #include "wx/unix/stackwalk.h"
+#else
+    #error "wxStackWalker is not supported, set wxUSE_STACKWALKER to 0"
 #endif
 
 #endif // wxUSE_STACKWALKER

include/wx/unix/stackwalk.h

@@ -0,0 +1,69 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/unix/stackwalk.h
+// Purpose:     declaration of wxStackWalker for Unix
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     2005-01-19
+// RCS-ID:      $Id$
+// Copyright:   (c) 2005 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIX_STACKWALK_H_
+#define _WX_UNIX_STACKWALK_H_
+
+// ----------------------------------------------------------------------------
+// wxStackFrame
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxStackFrame : public wxStackFrameBase
+{
+public:
+    // arguments are the stack depth of this frame, its address and the return
+    // value of backtrace_symbols() for it
+    //
+    // NB: we don't copy syminfo pointer so it should have lifetime at least as
+    //     long as ours
+    wxStackFrame(size_t level, void *address, const char *syminfo)
+        : wxStackFrameBase(level, address)
+    {
+        m_hasName =
+        m_hasLocation = false;
+
+        m_syminfo = syminfo;
+    }
+
+protected:
+    virtual void OnGetName();
+    virtual void OnGetLocation();
+
+private:
+    const char *m_syminfo;
+
+    bool m_hasName,
+         m_hasLocation;
+};
+
+// ----------------------------------------------------------------------------
+// wxStackWalker
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxStackWalker : public wxStackWalkerBase
+{
+public:
+    // we need the full path to the program executable to be able to use
+    // addr2line, normally we can retrieve it from wxTheApp but if wxTheApp
+    // doesn't exist or doesn't have the correct value, the path may be given
+    // explicitly
+    wxStackWalker(const char *argv0 = NULL) { ms_exepath = argv0; }
+
+    virtual void Walk(size_t skip = 1);
+    virtual void WalkFromException() { Walk(2); }
+
+    static const wxString& GetExePath() { return ms_exepath; }
+
+private:
+    static wxString ms_exepath;
+};
+
+#endif // _WX_UNIX_STACKWALK_H_

samples/console/console.cpp

@@ -74,6 +74,7 @@
     #define TEST_SCOPEGUARD
     #define TEST_SNGLINST
 //    #define TEST_SOCKETS  --FIXME! (RN)
+    #define TEST_STACKWALKER
     #define TEST_STDPATHS
     #define TEST_STREAMS
     #define TEST_TEXTSTREAM
@@ -84,7 +85,7 @@
     #define TEST_WCHAR
     #define TEST_ZIP
 #else // #if TEST_ALL
-    #define TEST_DLLLOADER
+    #define TEST_STACKWALKER
 #endif
 
 // some tests are interactive, define this to run them
@@ -433,7 +434,7 @@ static void TestDllListLoaded()
     for ( size_t n = 0; n < count; ++n )
     {
         const wxDynamicLibraryDetails& details = dlls[n];
-        printf("%-45s", details.GetPath().c_str());
+        printf("%-45s", details.GetPath().mb_str());
 
         void *addr;
         size_t len;
@@ -443,7 +444,7 @@ static void TestDllListLoaded()
                    (unsigned long)addr, (unsigned long)((char *)addr + len));
         }
 
-        printf(" %s\n", details.GetVersion().c_str());
+        printf(" %s\n", details.GetVersion().mb_str());
     }
 }
 
@@ -2629,6 +2630,71 @@ static void TestFtpUpload()
 
 #endif // TEST_FTP
 
+// ----------------------------------------------------------------------------
+// stack backtrace
+// ----------------------------------------------------------------------------
+
+#ifdef TEST_STACKWALKER
+
+#include "wx/stackwalk.h"
+
+class StackDump : public wxStackWalker
+{
+public:
+    StackDump(const char *argv0)
+        : wxStackWalker(argv0)
+    {
+    }
+
+    virtual void Walk()
+    {
+        wxPuts(_T("Stack dump:"));
+
+        wxStackWalker::Walk();
+    }
+
+protected:
+    virtual void OnStackFrame(const wxStackFrame& frame)
+    {
+        printf("[%2d] ", frame.GetLevel());
+
+        wxString name = frame.GetName();
+        if ( !name.empty() )
+        {
+            printf("%-20.40s", name.mb_str());
+        }
+        else
+        {
+            printf("0x%08lx", (unsigned long)frame.GetAddress());
+        }
+
+        if ( frame.HasSourceLocation() )
+        {
+            printf("\t%s:%d",
+                   frame.GetFileName().mb_str(),
+                   frame.GetLine());
+        }
+
+        puts("");
+
+        wxString type, val;
+        for ( size_t n = 0; frame.GetParam(n, &type, &name, &val); n++ )
+        {
+            printf("\t%s %s = %s\n", type.mb_str(), name.mb_str(), val.mb_str());
+        }
+    }
+};
+
+static void TestStackWalk(const char *argv0)
+{
+    wxPuts(_T("*** Testing wxStackWalker ***\n"));
+
+    StackDump dump(argv0);
+    dump.Walk();
+}
+
+#endif // TEST_STACKWALKER
+
 // ----------------------------------------------------------------------------
 // standard paths
 // ----------------------------------------------------------------------------
@@ -4332,6 +4398,10 @@ int main(int argc, char **argv)
     TestScopeGuard();
 #endif
 
+#ifdef TEST_STACKWALKER
+    TestStackWalk(argv[0]);
+#endif // TEST_STACKWALKER
+
 #ifdef TEST_STDPATHS
     TestStandardPaths();
 #endif

setup.h.in

@@ -168,6 +168,8 @@
     #define wxUSE_ON_FATAL_EXCEPTION 0
 #endif
 
+#define wxUSE_STACKWALKER 0
+
 
 #ifndef wxUSE_UNICODE
     #define wxUSE_UNICODE 0
@@ -695,6 +697,9 @@
 /* Define if you have pw_gecos field in struct passwd */
 #undef HAVE_PW_GECOS
 
+/* Define if you have __cxa_demangle() in <cxxabi.h> */
+#undef HAVE_CXA_DEMANGLE
+
 /* Define if you have dlopen() */
 #undef HAVE_DLOPEN
 

src/unix/stackwalk.cpp

@@ -0,0 +1,188 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        msw/stackwalk.cpp
+// Purpose:     wxStackWalker implementation for Unix/glibc
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     2005-01-18
+// RCS-ID:      $Id$
+// Copyright:   (c) 2005 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_STACKWALKER
+
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+#endif
+
+#include "wx/stackwalk.h"
+
+#include <execinfo.h>
+
+#ifdef HAVE_CXA_DEMANGLE
+    #include <cxxabi.h>
+#endif // HAVE_CXA_DEMANGLE
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+wxString wxStackWalker::ms_exepath;
+
+// ----------------------------------------------------------------------------
+// wxStackFrame
+// ----------------------------------------------------------------------------
+
+void wxStackFrame::OnGetName()
+{
+    if ( m_hasName )
+        return;
+
+    m_hasName = true;
+
+    // try addr2line first because it always gives us demangled names (even if
+    // __cxa_demangle is not available) and because it seems less error-prone
+    // when it works, backtrace_symbols() sometimes returns incorrect results
+    OnGetLocation();
+
+    // format is: "module(funcname+offset) [address]" but the part in
+    // parentheses can be not present
+    wxString syminfo = wxString::FromAscii(m_syminfo);
+    const size_t posOpen = syminfo.find(_T('('));
+    if ( posOpen != wxString::npos )
+    {
+        const size_t posPlus = syminfo.find(_T('+'), posOpen + 1);
+        if ( posPlus != wxString::npos )
+        {
+            const size_t posClose = syminfo.find(_T(')'), posPlus + 1);
+            if ( posClose != wxString::npos )
+            {
+                if ( m_name.empty() )
+                {
+                    m_name.assign(syminfo, posOpen + 1, posPlus - posOpen - 1);
+
+#ifdef HAVE_CXA_DEMANGLE
+                    int rc = -1;
+                    char *cppfunc = __cxxabiv1::__cxa_demangle
+                                    (
+                                        m_name.mb_str(),
+                                        NULL, // output buffer (none, alloc it)
+                                        NULL, // [out] len of output buffer
+                                        &rc
+                                    );
+                    if ( rc == 0 )
+                        m_name = wxString::FromAscii(cppfunc);
+
+                    free(cppfunc);
+#endif // HAVE_CXA_DEMANGLE
+                }
+
+                unsigned long ofs;
+                if ( wxString(syminfo, posPlus + 1, posClose - posPlus - 1).
+                        ToULong(&ofs, 0) )
+                    m_offset = ofs;
+            }
+        }
+    }
+
+    m_module.assign(syminfo, posOpen);
+}
+
+void wxStackFrame::OnGetLocation()
+{
+    if ( m_hasLocation )
+        return;
+
+    m_hasLocation = true;
+
+    // we need to launch addr2line tool to get this information and we need to
+    // have the program name for this
+    wxString exepath = wxStackWalker::GetExePath();
+    if ( exepath.empty() )
+    {
+        if ( !wxTheApp || !wxTheApp->argv )
+            return;
+        exepath = wxTheApp->argv[0];
+    }
+
+    wxArrayString output;
+    wxLogNull noLog;
+    if ( wxExecute(wxString::Format(_T("addr2line -C -f -e \"%s\" %p"),
+                                    exepath.c_str(),
+                                    m_address), output) == 0 )
+    {
+        if ( output.GetCount() != 2 )
+        {
+            wxLogDebug(_T("Unexpected addr2line output."));
+        }
+        else // 1st line has function name, 2nd one -- the file/line info
+        {
+            if ( GetName().empty() )
+            {
+                m_name = output[0];
+                if ( m_name == _T("??") )
+                    m_name.clear();
+            }
+
+            const size_t posColon = output[1].find(_T(':'));
+            if ( posColon != wxString::npos )
+            {
+                m_filename.assign(output[1], 0, posColon);
+                if ( m_filename == _T("??") )
+                {
+                    m_filename.clear();
+                }
+                else
+                {
+                    unsigned long line;
+                    if ( wxString(output[1], posColon + 1, wxString::npos).
+                            ToULong(&line) )
+                        m_line = line;
+                }
+            }
+            else
+            {
+                wxLogDebug(_T("Unexpected addr2line format: \"%s\""),
+                           output[1].c_str());
+            }
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// wxStackWalker
+// ----------------------------------------------------------------------------
+
+void wxStackWalker::Walk(size_t skip)
+{
+    // that many frames should be enough for everyone
+    void *addresses[200];
+
+    int depth = backtrace(addresses, WXSIZEOF(addresses));
+    if ( !depth )
+        return;
+
+    char **symbols = backtrace_symbols(addresses, depth);
+
+    for ( int n = 0; n < depth; n++ )
+    {
+        wxStackFrame frame(n, addresses[n], symbols[n]);
+        OnStackFrame(frame);
+    }
+}
+
+#endif // wxUSE_STACKWALKER