mirror of
https://github.com/DrBeef/Raze.git
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[Cosmetic] backtrace.c: tab --> space x 4
git-svn-id: https://svn.eduke32.com/eduke32@4504 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266
parent
e647b6a42f
commit
3d37dc86ae
1 changed files with 194 additions and 194 deletions
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@ -1,11 +1,11 @@
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/*
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Copyright (c) 2010 ,
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Cloud Wu . All rights reserved.
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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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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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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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@ -75,183 +75,183 @@
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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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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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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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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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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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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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va_list ap;
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va_list ap;
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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_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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if (ob->sz == ob->ptr)
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return;
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ob->buf[ob->ptr] = '\0';
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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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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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bfd_vma vma;
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struct find_info *data = opaque_data;
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bfd_vma vma;
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if (data->func)
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return;
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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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if (!(bfd_get_section_flags(abfd, sec) & SEC_ALLOC))
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return;
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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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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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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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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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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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int r1, r2, r3;
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bfd *b;
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void *symbol_table;
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unsigned dummy = 0;
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bc->handle = NULL;
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bc->symbol = NULL;
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int r1, r2, r3;
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bfd *b;
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void *symbol_table;
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unsigned dummy = 0;
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bc->handle = NULL;
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bc->symbol = NULL;
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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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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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r1 = bfd_check_format(b, bfd_object);
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r2 = bfd_check_format_matches(b, bfd_object, NULL);
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r3 = bfd_get_file_flags(b) & HAS_SYMS;
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r1 = bfd_check_format(b, bfd_object);
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r2 = bfd_check_format_matches(b, bfd_object, NULL);
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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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if (!(r1 && r2 && r3)) {
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bfd_close(b);
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if (!(r1 && r2))
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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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return 1;
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}
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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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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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bc->handle = b;
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bc->symbol = symbol_table;
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return 0;
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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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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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struct bfd_ctx bc;
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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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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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struct bfd_ctx bc;
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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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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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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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while(set) {
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struct bfd_set * temp = set->next;
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if (set->name)
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free(set->name);
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close_bfd_ctx(set->bc);
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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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set = temp;
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}
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}
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static char procname[MAX_PATH];
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@ -267,84 +267,84 @@ 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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MAYBE64(STACKFRAME) frame;
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MAYBE64(STACKFRAME) frame;
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HANDLE process, thread;
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char symbol_buffer[sizeof(MAYBE64(IMAGEHLP_SYMBOL)) + 255];
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char module_name_raw[MAX_PATH];
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struct bfd_ctx *bc = NULL;
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char symbol_buffer[sizeof(MAYBE64(IMAGEHLP_SYMBOL)) + 255];
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char module_name_raw[MAX_PATH];
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struct bfd_ctx *bc = NULL;
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GetModuleFileNameA(NULL, procname, sizeof procname);
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GetModuleFileNameA(NULL, procname, sizeof procname);
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memset(&frame,0,sizeof(frame));
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memset(&frame,0,sizeof(frame));
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#ifdef EBACKTRACE64
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frame.AddrPC.Offset = context->Rip;
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frame.AddrStack.Offset = context->Rsp;
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frame.AddrFrame.Offset = context->Rbp;
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frame.AddrPC.Offset = context->Rip;
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frame.AddrStack.Offset = context->Rsp;
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frame.AddrFrame.Offset = context->Rbp;
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#else
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frame.AddrPC.Offset = context->Eip;
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frame.AddrStack.Offset = context->Esp;
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frame.AddrFrame.Offset = context->Ebp;
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frame.AddrPC.Offset = context->Eip;
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frame.AddrStack.Offset = context->Esp;
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frame.AddrFrame.Offset = context->Ebp;
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#endif
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frame.AddrPC.Mode = AddrModeFlat;
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frame.AddrStack.Mode = AddrModeFlat;
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frame.AddrFrame.Mode = AddrModeFlat;
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frame.AddrPC.Mode = AddrModeFlat;
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frame.AddrStack.Mode = AddrModeFlat;
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frame.AddrFrame.Mode = AddrModeFlat;
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process = GetCurrentProcess();
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thread = GetCurrentThread();
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process = GetCurrentProcess();
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thread = GetCurrentThread();
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while(MAYBE64(StackWalk)(MachineType,
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process,
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thread,
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&frame,
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context,
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NULL,
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MAYBE64(SymFunctionTableAccess),
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MAYBE64(SymGetModuleBase), NULL)) {
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MAYBE64(IMAGEHLP_SYMBOL) *symbol;
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MAYBE64(DWORD) module_base;
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const char * module_name = "[unknown module]";
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while(MAYBE64(StackWalk)(MachineType,
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process,
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thread,
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&frame,
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context,
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NULL,
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MAYBE64(SymFunctionTableAccess),
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MAYBE64(SymGetModuleBase), NULL)) {
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MAYBE64(IMAGEHLP_SYMBOL) *symbol;
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MAYBE64(DWORD) module_base;
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const char * module_name = "[unknown module]";
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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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const char * file = NULL;
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const char * func = NULL;
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unsigned line = 0;
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--depth;
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if (depth < 0)
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break;
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--depth;
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if (depth < 0)
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break;
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symbol = (MAYBE64(IMAGEHLP_SYMBOL) *)symbol_buffer;
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symbol->SizeOfStruct = (sizeof *symbol) + 255;
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symbol->MaxNameLength = 254;
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symbol = (MAYBE64(IMAGEHLP_SYMBOL) *)symbol_buffer;
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symbol->SizeOfStruct = (sizeof *symbol) + 255;
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symbol->MaxNameLength = 254;
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module_base = MAYBE64(SymGetModuleBase)(process, frame.AddrPC.Offset);
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module_base = MAYBE64(SymGetModuleBase)(process, frame.AddrPC.Offset);
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|
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if (module_base &&
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GetModuleFileNameA((HINSTANCE)(intptr_t)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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if (module_base &&
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GetModuleFileNameA((HINSTANCE)(intptr_t)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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|
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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 (bc) {
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find(bc,frame.AddrPC.Offset,&file,&func,&line);
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}
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|
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if (file == NULL) {
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MAYBE64(DWORD) dummy = 0;
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if (MAYBE64(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 (file == NULL) {
|
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MAYBE64(DWORD) dummy = 0;
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if (MAYBE64(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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|
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output_print(ob,"0x%p : %s : %s", frame.AddrPC.Offset, module_name, file);
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if (func != NULL)
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output_print(ob, " (%d) : in function (%s)", line, func);
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if (func != NULL)
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output_print(ob, " (%d) : in function (%s)", line, func);
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output_print(ob, "\n");
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||||
}
|
||||
}
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||||
}
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|
||||
static LPTSTR FormatErrorMessage(DWORD dwMessageId)
|
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|
|
@ -373,7 +373,7 @@ static PVOID g_prev = NULL;
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|||
static LONG WINAPI
|
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exception_filter(LPEXCEPTION_POINTERS info)
|
||||
{
|
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struct output_buffer ob;
|
||||
struct output_buffer ob;
|
||||
int logfd, written;
|
||||
PEXCEPTION_RECORD exception;
|
||||
BOOL initialized = FALSE;
|
||||
|
|
@ -455,43 +455,43 @@ exception_filter(LPEXCEPTION_POINTERS info)
|
|||
|
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//fputs(g_output, stderr);
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|
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exit(0xBAC);
|
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exit(0xBAC);
|
||||
|
||||
return EXCEPTION_CONTINUE_SEARCH;
|
||||
return EXCEPTION_CONTINUE_SEARCH;
|
||||
}
|
||||
|
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static void
|
||||
backtrace_register(void)
|
||||
{
|
||||
if (g_output == NULL) {
|
||||
g_output = malloc(BUFFER_MAX);
|
||||
g_prev = AddVectoredExceptionHandler(1, exception_filter);
|
||||
}
|
||||
if (g_output == NULL) {
|
||||
g_output = malloc(BUFFER_MAX);
|
||||
g_prev = AddVectoredExceptionHandler(1, exception_filter);
|
||||
}
|
||||
}
|
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|
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static void
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||||
backtrace_unregister(void)
|
||||
{
|
||||
if (g_output) {
|
||||
free(g_output);
|
||||
RemoveVectoredExceptionHandler(g_prev);
|
||||
g_prev = NULL;
|
||||
g_output = NULL;
|
||||
}
|
||||
if (g_output) {
|
||||
free(g_output);
|
||||
RemoveVectoredExceptionHandler(g_prev);
|
||||
g_prev = NULL;
|
||||
g_output = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
BOOL WINAPI
|
||||
DllMain(HINSTANCE hinstDLL ATTRIBUTE((unused)), DWORD dwReason, LPVOID lpvReserved ATTRIBUTE((unused)))
|
||||
{
|
||||
switch (dwReason) {
|
||||
case DLL_PROCESS_ATTACH:
|
||||
backtrace_register();
|
||||
break;
|
||||
case DLL_PROCESS_DETACH:
|
||||
backtrace_unregister();
|
||||
break;
|
||||
}
|
||||
return TRUE;
|
||||
switch (dwReason) {
|
||||
case DLL_PROCESS_ATTACH:
|
||||
backtrace_register();
|
||||
break;
|
||||
case DLL_PROCESS_DETACH:
|
||||
backtrace_unregister();
|
||||
break;
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue