mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-15 02:24:46 +00:00
73450d65c3
Tue May 17 23:03:16 1994 Bob Amstadt (bob@pooh) * [windows/dce.c] Fixed bug with dce initialization that was causing dialog boxes to not be displayed. * [if1632/callback.c] Better fix for bug found by Martin. Sat May 14 19:48:39 1994 Rick Sladkey (jrs@world.std.com) * [ memory/heap.c ] Redirect HEAP_ReAlloc calls with NULL argument to HEAP_Alloc. May 16, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte) * [objects/font.c] Make EnumFonts() calling a callback with dummy fonts ... :-) * [objects/text.c] Add Empty Stub for ExtTextOut(), which temporarely call Textout(). * [if1632/callback.c] Temporarely go around bug in CallWindowProc(), you will see printfs. * [controls/edit.c] Make EDIT controls focused by a mouse click. * [misc/property.c] Bug Fix in function EnumProps(), better use of CallBack16(). * [misc/mmsystem.c] Basic Skelton's for MCI messages dispatching function. Sun May 15 16:15:17 1994 Erik Bos (erik@hacktic.nl) * [windows/utility.c] Added windows_wsprintf() for the emulator, wsprintf() is for libwine. Sat May 14 22:16:40 1994 Rick Sladkey (jrs@world.std.com) * [misc/cursor.c] Fix pointer problems in LoadCursor leading to heap corruption. * [ controls/menu.c ] Fix two NULL dereferencing bugs. Sun May 15 20:07:48 1994 Rick Sladkey (jrs@world.std.com) * [objects/font.c] Fix NULL pointer dereferencing bug in GetCharWidth. * [loader/resource.c] Fix under-allocation of memory in LoadAccelerators. * [windows/class.c] Ignore negative sizes for extra fields in RegisterClass. Sun May 15 06:35:03 1994 David Metcalfe <david@prism.demon.co.uk> * [objects/metafile.c] [include/metafile.h] [include/windows.h] [objects/gdiobj.c] [objects/brush.c] [objects/pen.c] [objects/text.c] [objects/dcvalues.c] [windows/graphics.c] [windows/dc.c] [windows/mapping.c] Beginnings of metafile support. * [misc/file.c] Corrected spelling of _lcreat. * [controls/edit.c] Minor bug fixes.
210 lines
4.1 KiB
Plaintext
210 lines
4.1 KiB
Plaintext
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%{
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/* Parser for command lines in the Wine debugger
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*
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* Version 1.0
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* Eric Youngdale
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* 9/93
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*/
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#include <stdio.h>
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#include <signal.h>
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#define YYSTYPE int
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#include "regpos.h"
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extern FILE * yyin;
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unsigned int * regval = NULL;
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unsigned int dbg_mask = 0;
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unsigned int dbg_mode = 0;
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void issue_prompt(void);
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void mode_command(int);
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%}
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%token CONT
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%token QUIT
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%token HELP
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%token BACKTRACE
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%token INFO
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%token STACK
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%token REG
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%token REGS
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%token NUM
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%token ENABLE
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%token DISABLE
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%token BREAK
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%token SET
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%token MODE
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%token PRINT
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%token IDENTIFIER
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%token NO_SYMBOL
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%token SYMBOLFILE
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%token DEFINE
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%%
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input: /* empty */
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| input line { issue_prompt(); }
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line: '\n'
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| infocmd '\n'
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| error '\n' { yyerrok; }
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| QUIT '\n' { exit(0); };
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| HELP '\n' { dbg_help(); };
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| CONT '\n' { return; };
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| SYMBOLFILE IDENTIFIER '\n' { read_symboltable($2); };
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| DEFINE IDENTIFIER expr '\n' { add_hash($2, $3); };
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| MODE NUM { mode_command($2); };
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| ENABLE NUM { enable_break($2); };
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| DISABLE NUM { disable_break($2); };
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| BREAK '*' expr { add_break($3); };
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| x_command
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| BACKTRACE '\n' { dbg_bt(); };
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| print_command
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| deposit_command
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deposit_command:
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SET REG '=' expr '\n' { if(regval) regval[$2] = $4; else application_not_running();}
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| SET '*' expr '=' expr '\n' { *((unsigned int *) $3) = $5; }
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| SET symbol '=' expr '\n' { *((unsigned int *) $2) = $4; }
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x_command:
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'x' expr '\n' { examine_memory($2, 1, 'x'); };
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| 'x' '/' fmt expr '\n' { examine_memory($4, 1, $3); };
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| 'x' '/' NUM fmt expr '\n' { examine_memory($5, $3, $4); };
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print_command:
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PRINT expr '\n' { examine_memory(((unsigned int) &$2 ), 1, 'x'); };
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fmt: 'x' { $$ = 'x'; }
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| 'd' { $$ = 'd'; }
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| 'i' { $$ = 'i'; }
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| 'w' { $$ = 'w'; }
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| 's' { $$ = 's'; }
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| 'c' { $$ = 'c'; }
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| 'b' { $$ = 'b'; }
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symbol: IDENTIFIER { $$ = find_hash($1);
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if($$ == 0xffffffff) {
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fprintf(stderr,"Symbol %s not found\n", $1);
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YYERROR;
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};
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};
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expr: NUM { $$ = $1; }
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| REG { if(regval) $$ = regval[$1]; else application_not_running();}
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| symbol { $$ = *((unsigned int *) $1); }
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| expr '+' NUM { $$ = $1 + $3; }
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| expr '-' NUM { $$ = $1 - $3; };
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| '(' expr ')' { $$ = $2; };
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| '*' expr { $$ = *((unsigned int *) $2); };
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infocmd: INFO REGS { info_reg(); }
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| INFO STACK { info_stack(); };
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| INFO BREAK { info_break(); };
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%%
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void
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issue_prompt(){
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#ifndef USE_READLINE
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fprintf(stderr,"Wine-dbg>");
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#endif
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}
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void mode_command(int newmode)
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{
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if(newmode == 16){
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dbg_mask = 0xffff;
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dbg_mode = 16;
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return;
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}
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if(newmode == 32){
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dbg_mask = 0xffffffff;
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dbg_mode = 32;
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return;
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}
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fprintf(stderr,"Invalid mode (use 16 or 32)\n");
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}
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static int loaded_symbols = 0;
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void
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wine_debug(int signal, int * regs)
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{
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int i;
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#ifdef YYDEBUG
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yydebug = 0;
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#endif
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yyin = stdin;
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regval = regs;
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#ifdef linux
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if((SC_CS & 7) != 7) {
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dbg_mask = 0xffffffff;
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dbg_mode = 32;
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} else {
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dbg_mask = 0xffff;
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dbg_mode = 16;
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};
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#endif
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#ifdef __NetBSD__
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if(SC_CS == 0x1f) {
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dbg_mask = 0xffffffff;
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dbg_mode = 32;
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} else {
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dbg_mask = 0xffff;
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dbg_mode = 16;
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};
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#endif
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fprintf(stderr,"In %d bit mode.\n", dbg_mode);
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/* This is intended to read the entry points from the Windows image, and
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insert them in the hash table. It does not work yet, so it is commented out. */
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#if 0
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if(!loaded_symbols){
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loaded_symbols++;
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load_entrypoints();
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};
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#endif
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/* Remove the breakpoints from memory... */
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insert_break(0);
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/* If we stopped on a breakpoint, report this fact */
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if(signal == SIGTRAP)
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{
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unsigned int addr;
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addr = SC_EIP(dbg_mask);
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if((addr & 0xffff0000) == 0 && dbg_mode == 16)
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addr |= SC_CS << 16;
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fprintf(stderr,"Stopped on breakpoint %d\n", get_bpnum(addr));
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}
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/* Show where we crashed */
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if(regval)
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examine_memory(SC_EIP(dbg_mask), 1, 'i');
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issue_prompt();
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yyparse();
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flush_symbols();
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/* Re-insert the breakpoints from memory... */
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insert_break(1);
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fprintf(stderr,"Returning to Wine...\n");
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}
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yyerror(char * s){
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fprintf(stderr,"%s\n", s);
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}
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