mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-15 17:01:28 +00:00
Add backtrace.c (the same that was used to build backtrace.dll earlier) to tree
and build our own DLL, now called ebacktrace1.dll. The change consists of breaking the link to the libintl lib and its dependencies, so the backtrace dll is now the only one required. git-svn-id: https://svn.eduke32.com/eduke32@2037 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned
parent
d4572c8957
commit
e91c4dc15b
2 changed files with 394 additions and 4 deletions
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@ -50,6 +50,10 @@ JAUDIOLIB=libjfaudiolib.a
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ENETDIR=$(SRC)/enet
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ENETLIB=libenet.a
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EBACKTRACEDLL=ebacktrace1.dll
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EBACKTRACEDLL_TARGET=
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include $(EROOT)/Makefile.shared
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@ -58,9 +62,12 @@ ifeq ($(PLATFORM),WINDOWS)
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OBJ=obj_win
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EOBJ=eobj_win
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LIBS+= $(L_SSP) -Wl,--enable-auto-import
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ifeq (0,$(RELEASE))
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EBACKTRACEDLL_TARGET=$(EBACKTRACEDLL)
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endif
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ifneq (0,$(USE_LIBVPX))
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LIBS+= -L$(OBJ)/../Windows/lib
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OURCFLAGS+= -I$(OBJ)/../Windows/include #-I$(OBJ)/../Windows/include/vpx
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LIBS+= -LWindows/lib
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OURCFLAGS+= -IWindows/include
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endif
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else
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ifeq ($(PLATFORM),LINUX)
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@ -221,7 +228,7 @@ all:
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notice:
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$(BUILD_STARTED)
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eduke32$(EXESUFFIX): $(GAMEOBJS) $(EOBJ)/$(ENGINELIB) $(JAUDIOLIBDIR)/$(JAUDIOLIB) $(ENETDIR)/$(ENETLIB)
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eduke32$(EXESUFFIX): $(GAMEOBJS) $(EOBJ)/$(ENGINELIB) $(JAUDIOLIBDIR)/$(JAUDIOLIB) $(ENETDIR)/$(ENETLIB) $(EBACKTRACEDLL_TARGET)
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$(LINK_STATUS)
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if $(CC) $(CFLAGS) $(OURCFLAGS) -o $@ $^ $(LIBS) $(STDCPPLIB) $(MISCLINKOPTS); then $(LINK_OK); else $(LINK_FAILED); fi
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ifeq (1,$(RELEASE))
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@ -230,7 +237,7 @@ ifeq (1,$(RELEASE))
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endif
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endif
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mapster32$(EXESUFFIX): $(EDITOROBJS) $(EOBJ)/$(EDITORLIB) $(EOBJ)/$(ENGINELIB) $(JAUDIOLIBDIR)/$(JAUDIOLIB)
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mapster32$(EXESUFFIX): $(EDITOROBJS) $(EOBJ)/$(EDITORLIB) $(EOBJ)/$(ENGINELIB) $(JAUDIOLIBDIR)/$(JAUDIOLIB) $(EBACKTRACEDLL_TARGET)
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$(LINK_STATUS)
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if $(CC) $(CFLAGS) $(OURCFLAGS) -o $@ $^ $(LIBS) $(STDCPPLIB) $(MISCLINKOPTS); then $(LINK_OK); else $(LINK_FAILED); fi
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ifeq (1,$(RELEASE))
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@ -278,6 +285,9 @@ endif
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# RULES
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$(EBACKTRACEDLL): Windows/src/backtrace.c
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if $(CC) -O2 -shared -Wall -Wextra -o $@ $^ -lbfd -liberty -limagehlp; then $(COMPILE_OK); else $(COMPILE_FAILED); fi
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$(OBJ)/%.$o: $(SRC)/%.nasm
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$(COMPILE_STATUS)
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$(AS) $(NASMFLAGS) $< -o $@
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380
polymer/eduke32/Windows/src/backtrace.c
Normal file
380
polymer/eduke32/Windows/src/backtrace.c
Normal file
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@ -0,0 +1,380 @@
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/*
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Copyright (c) 2010 ,
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Cloud Wu . All rights reserved.
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http://www.codingnow.com
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Use, modification and distribution are subject to the "New BSD License"
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as listed at <url: http://www.opensource.org/licenses/bsd-license.php >.
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filename: backtrace.c
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compiler: gcc 3.4.5 (mingw-win32)
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build command: gcc -O2 -shared -Wall -o backtrace.dll backtrace.c -lbfd -liberty -limagehlp
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how to use: Call LoadLibraryA("backtrace.dll"); at beginning of your program .
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*/
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/* modified from original for EDuke32 */
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#include <windows.h>
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#include <excpt.h>
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#include <imagehlp.h>
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#include <bfd.h>
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#include <psapi.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdbool.h>
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#define BUFFER_MAX (16*1024)
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struct bfd_ctx {
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bfd * handle;
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asymbol ** symbol;
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};
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struct bfd_set {
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char * name;
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struct bfd_ctx * bc;
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struct bfd_set *next;
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};
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struct find_info {
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asymbol **symbol;
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bfd_vma counter;
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const char *file;
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const char *func;
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unsigned line;
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};
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struct output_buffer {
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char * buf;
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size_t sz;
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size_t ptr;
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};
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static void
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output_init(struct output_buffer *ob, char * buf, size_t sz)
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{
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ob->buf = buf;
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ob->sz = sz;
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ob->ptr = 0;
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ob->buf[0] = '\0';
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}
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static void
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output_print(struct output_buffer *ob, const char * format, ...)
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{
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if (ob->sz == ob->ptr)
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return;
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ob->buf[ob->ptr] = '\0';
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va_list ap;
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va_start(ap,format);
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vsnprintf(ob->buf + ob->ptr , ob->sz - ob->ptr , format, ap);
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va_end(ap);
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ob->ptr = strlen(ob->buf + ob->ptr) + ob->ptr;
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}
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static void
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lookup_section(bfd *abfd, asection *sec, void *opaque_data)
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{
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struct find_info *data = opaque_data;
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if (data->func)
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return;
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if (!(bfd_get_section_flags(abfd, sec) & SEC_ALLOC))
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return;
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bfd_vma vma = bfd_get_section_vma(abfd, sec);
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if (data->counter < vma || vma + bfd_get_section_size(sec) <= data->counter)
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return;
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bfd_find_nearest_line(abfd, sec, data->symbol, data->counter - vma, &(data->file), &(data->func), &(data->line));
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}
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static void
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find(struct bfd_ctx * b, DWORD offset, const char **file, const char **func, unsigned *line)
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{
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struct find_info data;
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data.func = NULL;
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data.symbol = b->symbol;
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data.counter = offset;
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data.file = NULL;
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data.func = NULL;
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data.line = 0;
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bfd_map_over_sections(b->handle, &lookup_section, &data);
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if (file) {
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*file = data.file;
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}
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if (func) {
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*func = data.func;
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}
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if (line) {
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*line = data.line;
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}
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}
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static int
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init_bfd_ctx(struct bfd_ctx *bc, const char * procname, struct output_buffer *ob)
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{
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bc->handle = NULL;
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bc->symbol = NULL;
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bfd *b = bfd_openr(procname, 0);
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if (!b) {
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output_print(ob,"Failed to open bfd from (%s)\n" , procname);
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return 1;
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}
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int r1 = bfd_check_format(b, bfd_object);
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int r2 = bfd_check_format_matches(b, bfd_object, NULL);
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int r3 = bfd_get_file_flags(b) & HAS_SYMS;
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if (!(r1 && r2 && r3)) {
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bfd_close(b);
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output_print(ob,"Failed to init bfd from (%s): %d %d %d\n", procname, r1,r2,r3);
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return 1;
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}
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void *symbol_table;
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unsigned dummy = 0;
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if (bfd_read_minisymbols(b, FALSE, &symbol_table, &dummy) == 0) {
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if (bfd_read_minisymbols(b, TRUE, &symbol_table, &dummy) < 0) {
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free(symbol_table);
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bfd_close(b);
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output_print(ob,"Failed to read symbols from (%s)\n", procname);
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return 1;
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}
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}
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bc->handle = b;
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bc->symbol = symbol_table;
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return 0;
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}
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static void
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close_bfd_ctx(struct bfd_ctx *bc)
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{
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if (bc) {
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if (bc->symbol) {
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free(bc->symbol);
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}
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if (bc->handle) {
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bfd_close(bc->handle);
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}
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}
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}
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static struct bfd_ctx *
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get_bc(struct output_buffer *ob , struct bfd_set *set , const char *procname)
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{
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while(set->name) {
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if (strcmp(set->name , procname) == 0) {
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return set->bc;
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}
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set = set->next;
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}
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struct bfd_ctx bc;
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if (init_bfd_ctx(&bc, procname , ob)) {
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return NULL;
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}
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set->next = calloc(1, sizeof(*set));
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set->bc = malloc(sizeof(struct bfd_ctx));
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memcpy(set->bc, &bc, sizeof(bc));
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set->name = strdup(procname);
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return set->bc;
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}
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static void
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release_set(struct bfd_set *set)
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{
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while(set) {
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struct bfd_set * temp = set->next;
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free(set->name);
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close_bfd_ctx(set->bc);
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free(set);
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set = temp;
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}
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}
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static char procname[MAX_PATH];
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static void
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_backtrace(struct output_buffer *ob, struct bfd_set *set, int depth , LPCONTEXT context)
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{
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GetModuleFileNameA(NULL, procname, sizeof procname);
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struct bfd_ctx *bc = NULL;
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STACKFRAME frame;
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memset(&frame,0,sizeof(frame));
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frame.AddrPC.Offset = context->Eip;
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frame.AddrPC.Mode = AddrModeFlat;
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frame.AddrStack.Offset = context->Esp;
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frame.AddrStack.Mode = AddrModeFlat;
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frame.AddrFrame.Offset = context->Ebp;
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frame.AddrFrame.Mode = AddrModeFlat;
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HANDLE process = GetCurrentProcess();
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HANDLE thread = GetCurrentThread();
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char symbol_buffer[sizeof(IMAGEHLP_SYMBOL) + 255];
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char module_name_raw[MAX_PATH];
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while(StackWalk(IMAGE_FILE_MACHINE_I386,
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process,
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thread,
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&frame,
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context,
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0,
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SymFunctionTableAccess,
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SymGetModuleBase, 0)) {
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--depth;
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if (depth < 0)
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break;
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IMAGEHLP_SYMBOL *symbol = (IMAGEHLP_SYMBOL *)symbol_buffer;
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symbol->SizeOfStruct = (sizeof *symbol) + 255;
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symbol->MaxNameLength = 254;
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DWORD module_base = SymGetModuleBase(process, frame.AddrPC.Offset);
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const char * module_name = "[unknown module]";
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if (module_base &&
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GetModuleFileNameA((HINSTANCE)module_base, module_name_raw, MAX_PATH)) {
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module_name = module_name_raw;
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bc = get_bc(ob, set, module_name);
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}
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const char * file = NULL;
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const char * func = NULL;
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unsigned line = 0;
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if (bc) {
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find(bc,frame.AddrPC.Offset,&file,&func,&line);
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}
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if (file == NULL) {
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DWORD dummy = 0;
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if (SymGetSymFromAddr(process, frame.AddrPC.Offset, &dummy, symbol)) {
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file = symbol->Name;
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}
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else {
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file = "[unknown file]";
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}
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}
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if (func == NULL) {
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output_print(ob,"0x%x : %s : %s \n",
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frame.AddrPC.Offset,
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module_name,
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file);
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}
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else {
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output_print(ob,"0x%x : %s : %s (%d) : in function (%s) \n",
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frame.AddrPC.Offset,
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module_name,
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file,
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line,
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func);
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}
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}
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}
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static char * g_output = NULL;
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static LPTOP_LEVEL_EXCEPTION_FILTER g_prev = NULL;
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static LONG WINAPI
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exception_filter(LPEXCEPTION_POINTERS info)
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{
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struct output_buffer ob;
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output_init(&ob, g_output, BUFFER_MAX);
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if (!SymInitialize(GetCurrentProcess(), 0, TRUE)) {
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output_print(&ob,"Failed to init symbol context\n");
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}
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else {
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bfd_init();
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struct bfd_set *set = calloc(1,sizeof(*set));
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_backtrace(&ob , set , 128 , info->ContextRecord);
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release_set(set);
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SymCleanup(GetCurrentProcess());
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}
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int logfd = open("eduke32_or_mapster32.crashlog", O_APPEND | O_CREAT | O_WRONLY);
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int written;
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if (logfd) {
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while ((written = write(logfd, g_output, strlen(g_output)))) {
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g_output += written;
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}
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close(logfd);
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}
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//fputs(g_output, stderr);
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exit(1);
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return 0;
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}
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static void
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backtrace_register(void)
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{
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if (g_output == NULL) {
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g_output = malloc(BUFFER_MAX);
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g_prev = SetUnhandledExceptionFilter(exception_filter);
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}
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}
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static void
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backtrace_unregister(void)
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{
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if (g_output) {
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free(g_output);
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SetUnhandledExceptionFilter(g_prev);
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g_prev = NULL;
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g_output = NULL;
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}
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}
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BOOL WINAPI
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DllMain(HANDLE hinstDLL, DWORD dwReason, LPVOID lpvReserved)
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{
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hinstDLL = hinstDLL;
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lpvReserved = lpvReserved;
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switch (dwReason) {
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case DLL_PROCESS_ATTACH:
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backtrace_register();
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break;
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case DLL_PROCESS_DETACH:
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backtrace_unregister();
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break;
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}
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return TRUE;
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}
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/* cut dependence on libintl... libbfd needs this */
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char *libintl_dgettext (const char *domain_name, const char *msgid)
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{
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static char buf[1024] = "XXX placeholder XXX";
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domain_name = domain_name;
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msgid = msgid;
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return buf;
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}
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Loading…
Reference in a new issue