static void
_backtrace(struct output_buffer *ob, struct bfd_set *set, int depth , LPCONTEXT context)
{
char procname[MAX_PATH];
GetModuleFileNameA(NULL, procname, sizeof procname);
struct bfd_ctx *bc = NULL;
STACKFRAME frame;
memset(&frame,0,sizeof(frame));
frame.AddrPC.Offset = context->Eip;
frame.AddrPC.Mode = AddrModeFlat;
frame.AddrStack.Offset = context->Esp;
frame.AddrStack.Mode = AddrModeFlat;
frame.AddrFrame.Offset = context->Ebp;
frame.AddrFrame.Mode = AddrModeFlat;
HANDLE process = GetCurrentProcess();
HANDLE thread = GetCurrentThread();
char symbol_buffer[sizeof(IMAGEHLP_SYMBOL) + 255];
char module_name_raw[MAX_PATH];
while(StackWalk(IMAGE_FILE_MACHINE_I386,
process,
thread,
&frame,
context,
0,
SymFunctionTableAccess,
SymGetModuleBase, 0)) {
--depth;
if (depth < 0)
break;
IMAGEHLP_SYMBOL *symbol = (IMAGEHLP_SYMBOL *)symbol_buffer;
symbol->SizeOfStruct = (sizeof *symbol) + 255;
symbol->MaxNameLength = 254;
DWORD module_base = SymGetModuleBase(process, frame.AddrPC.Offset);
const char * module_name = "[unknown module]";
if (module_base &&
GetModuleFileNameA((HINSTANCE)module_base, module_name_raw, MAX_PATH)) {
module_name = module_name_raw;
bc = get_bc(ob, set, module_name);
}
const char * file = NULL;
const char * func = NULL;
unsigned line = 0;
if (bc) {
find(bc,frame.AddrPC.Offset,&file,&func,&line);
}
if (file == NULL) {
DWORD dummy = 0;
if (SymGetSymFromAddr(process, frame.AddrPC.Offset, &dummy, symbol)) {
file = symbol->Name;
}
else {
file = "[unknown file]";
}
}
if (func == NULL) {
output_print(ob,"0x%x : %s : %s \n",
frame.AddrPC.Offset,
module_name,
file);
}
else {
output_print(ob,"0x%x : %s : %s (%d) : in function (%s) \n",
frame.AddrPC.Offset,
module_name,
file,
line,
func);
}
}
}
/*
* Name: define_diff
* Purpose: get info needed to initialize diff
* Date: October 31, 1992
* Passed: window: pointer to current window
* Notes: allow the user to start the diff at the beginning of the
* file or at the current cursor location. once the diff
* has been defined, the user may press one key to diff again.
* user may diff any two visible windows on the screen.
*/
int define_diff( WINDOW *window )
{
int rc;
char temp[MAX_COLS];
int num1;
int let1;
int num2;
int let2;
int start;
char line_buff[(MAX_COLS+1)*2]; /* buffer for char and attribute */
char buff[MAX_COLS*2]; /* buffer for char and attribute */
/*
* get window number and letter of the first diff window. then,
* verify that window - does it exit? is it visible?
*/
*temp = '\0';
rc = get_name( diff_prompt1, window->bottom_line, temp,
g_display.message_color );
if (rc == OK) {
rc = verify_number( temp, &num1 );
if (rc == OK)
rc = verify_letter( temp, &let1, &diff.w1 );
} else
return( ERROR );
if (rc == ERROR) {
combine_strings( buff, diff_prompt6a, temp, diff_prompt6b );
error( WARNING, window->bottom_line, buff );
return( ERROR );
}
/*
* get and verify the next window number and letter to diff.
*/
*temp = '\0';
rc = get_name( diff_prompt2, window->bottom_line, temp,
g_display.message_color );
if (rc == OK) {
rc = verify_number( temp, &num2 );
if (rc == OK)
rc = verify_letter( temp, &let2, &diff.w2 );
} else
return( ERROR );
if (rc == ERROR) {
combine_strings( buff, diff_prompt6a, temp, diff_prompt6b );
error( WARNING, window->bottom_line, buff );
return( ERROR );
}
/*
* are leading spaces significant?
*/
save_screen_line( 0, window->bottom_line, line_buff );
set_prompt( diff_prompt7a, window->bottom_line );
start = get_yn( );
restore_screen_line( 0, window->bottom_line, line_buff );
if (start != ERROR)
diff.leading = start == A_YES ? TRUE : FALSE;
else
return( ERROR );
/*
* are all spaces significant?
*/
save_screen_line( 0, window->bottom_line, line_buff );
set_prompt( diff_prompt7b, window->bottom_line );
start = get_yn( );
restore_screen_line( 0, window->bottom_line, line_buff );
if (start != ERROR) {
if (start == A_YES)
diff.leading = diff.all_space = TRUE;
else
diff.all_space = FALSE;
} else
return( ERROR );
/*
* are blank lines significant?
*/
save_screen_line( 0, window->bottom_line, line_buff );
set_prompt( diff_prompt7c, window->bottom_line );
start = get_yn( );
restore_screen_line( 0, window->bottom_line, line_buff );
if (start != ERROR)
diff.blank_lines = start == A_YES ? TRUE : FALSE;
else
return( ERROR );
/*
* is end of line significant?
*/
save_screen_line( 0, window->bottom_line, line_buff );
set_prompt( diff_prompt7d, window->bottom_line );
start = get_yn( );
restore_screen_line( 0, window->bottom_line, line_buff );
if (start != ERROR)
diff.ignore_eol = start == A_YES ? TRUE : FALSE;
else
return( ERROR );
/*
* now, find out were to start the diff -- beginning of file or
* current cursor location.
*/
save_screen_line( 0, window->bottom_line, line_buff );
set_prompt( diff_prompt3, window->bottom_line );
start = get_bc( );
restore_screen_line( 0, window->bottom_line, line_buff );
if (start != ERROR) {
entab_linebuff( );
if (un_copy_line( window->ll, window, TRUE ) == ERROR)
return( ERROR );
/*
* if everything is everything, initialize the diff pointers.
*/
diff.defined = TRUE;
if (start == BEGINNING) {
diff.d1 = diff.w1->file_info->line_list;
diff.d2 = diff.w2->file_info->line_list;
diff.rline1 = 1L;
diff.rline2 = 1L;
diff.bin_offset1 = 0;
diff.bin_offset2 = 0;
rc = differ( 0, 0, window->bottom_line );
} else {
diff.d1 = diff.w1->ll;
diff.d2 = diff.w2->ll;
diff.rline1 = diff.w1->rline;
diff.rline2 = diff.w2->rline;
diff.bin_offset1 = diff.w1->bin_offset;
diff.bin_offset2 = diff.w2->bin_offset;
rc = differ( diff.w1->rcol, diff.w2->rcol, window->bottom_line );
}
}
return( rc );
}
