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/*
* Wine debugger utility routines
*
* Copyright 1993 Eric Youngdale
* Copyright 1995 Alexandre Julliard
*/
#include <stdio.h>
#include <stdlib.h>
#include "debugger.h"
#include "expr.h"
/***********************************************************************
* DEBUG_Print
*
* Implementation of the 'print' command.
*/
void DEBUG_PrintBasic( const DBG_ADDR *addr, int count, char format )
{
char * default_format;
long long int value;
if( addr->type == NULL )
{
fprintf(stderr, "Unable to evaluate expression\n");
return;
}
default_format = NULL;
value = DEBUG_GetExprValue((DBG_ADDR *) addr, &default_format);
switch(format)
{
case 'x':
if (addr->seg)
{
DEBUG_nchar += fprintf( stderr, "0x%04lx", (long unsigned int) value );
}
else
{
DEBUG_nchar += fprintf( stderr, "0x%08lx", (long unsigned int) value );
}
break;
case 'd':
DEBUG_nchar += fprintf( stderr, "%ld\n", (long int) value );
break;
case 'c':
DEBUG_nchar += fprintf( stderr, "%d = '%c'",
(char)(value & 0xff), (char)(value & 0xff) );
break;
case 'i':
case 's':
case 'w':
case 'b':
fprintf( stderr, "Format specifier '%c' is meaningless in 'print' command\n", format );
case 0:
if( default_format != NULL )
{
DEBUG_nchar += fprintf( stderr, default_format, value );
}
break;
}
}
/***********************************************************************
* DEBUG_PrintAddress
*
* Print an 16- or 32-bit address, with the nearest symbol if any.
*/
struct symbol_info
DEBUG_PrintAddress( const DBG_ADDR *addr, int addrlen, int flag )
{
struct symbol_info rtn;
const char *name = DEBUG_FindNearestSymbol( addr, flag, &rtn.sym, 0,
&rtn.list );
if (addr->seg) fprintf( stderr, "0x%04lx:", addr->seg );
if (addrlen == 16) fprintf( stderr, "0x%04lx", addr->off );
else fprintf( stderr, "0x%08lx", addr->off );
if (name) fprintf( stderr, " (%s)", name );
return rtn;
}
/***********************************************************************
* DEBUG_PrintAddressAndArgs
*
* Print an 16- or 32-bit address, with the nearest symbol if any.
* Similar to DEBUG_PrintAddress, but we print the arguments to
* each function (if known). This is useful in a backtrace.
*/
struct symbol_info
DEBUG_PrintAddressAndArgs( const DBG_ADDR *addr, int addrlen,
unsigned int ebp, int flag )
{
struct symbol_info rtn;
const char *name = DEBUG_FindNearestSymbol( addr, flag, &rtn.sym, ebp,
&rtn.list );
if (addr->seg) fprintf( stderr, "0x%04lx:", addr->seg );
if (addrlen == 16) fprintf( stderr, "0x%04lx", addr->off );
else fprintf( stderr, "0x%08lx", addr->off );
if (name) fprintf( stderr, " (%s)", name );
return rtn;
}
/***********************************************************************
* DEBUG_Help
*
* Implementation of the 'help' command.
*/
void DEBUG_Help(void)
{
int i = 0;
static const char * const helptext[] =
{
"The commands accepted by the Wine debugger are a reasonable",
"subset of the commands that gdb accepts.",
"The commands currently are:",
" break [*<addr>] delete break bpnum",
" disable bpnum enable bpnum",
" condition <bpnum> [<expr>]",
" help quit",
" bt cont [N]",
" step [N] next [N]",
" stepi [N] nexti [N]",
" x <addr> print <expr>",
" set <reg> = <expr> set *<addr> = <expr>",
" up down",
" list <lines> disassemble [<addr>][,<addr>]",
" frame <n> finish",
" show dir dir <path>",
" display <expr> undisplay <disnum>",
" delete display <disnum>\n",
"Wine-specific commands:",
" mode [16,32] walk [wnd,class,queue,module]",
" info (see 'help info' for options)\n",
"The 'x' command accepts repeat counts and formats (including 'i') in the",
"same way that gdb does.\n",
" The following are examples of legal expressions:",
" $eax $eax+0x3 0x1000 ($eip + 256) *$eax *($esp + 3)",
" Also, a nm format symbol table can be read from a file using the",
" symbolfile command. Symbols can also be defined individually with",
" the define command.",
"",
NULL
};
while(helptext[i]) fprintf(stderr,"%s\n", helptext[i++]);
}
/***********************************************************************
* DEBUG_HelpInfo
*
* Implementation of the 'help info' command.
*/
void DEBUG_HelpInfo(void)
{
int i = 0;
static const char * const infotext[] =
{
"The info commands allow you to get assorted bits of interesting stuff",
"to be displayed. The options are:",
" info break Dumps information about breakpoints",
" info display Shows auto-display expressions in use",
" info locals Displays values of all local vars for current frame",
" info maps Dumps all virtual memory mappings",
" info module <handle> Displays internal module state",
" info queue <handle> Displays internal queue state",
" info reg Displays values in all registers at top of stack",
" info segments Dumps information about all known segments",
" info share Dumps information about shared libraries",
" info stack Dumps information about top of stack",
" info wnd <handle> Displays internal window state",
"",
NULL
};
while(infotext[i]) fprintf(stderr,"%s\n", infotext[i++]);
}
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