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AppleWin/source/Debugger/Debugger_Symbols.cpp

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/*
AppleWin : An Apple //e emulator for Windows
Copyright (C) 1994-1996, Michael O'Brien
Copyright (C) 1999-2001, Oliver Schmidt
Copyright (C) 2002-2005, Tom Charlesworth
Copyright (C) 2006-2014, Tom Charlesworth, Michael Pohoreski
AppleWin is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
AppleWin is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with AppleWin; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Description: Debugger Symbol Tables
*
* Author: Copyright (C) 2006-2010 Michael Pohoreski
*/
#include "StdAfx.h"
#include "Debug.h"
#include "../Applewin.h"
// 2.6.2.13 Added: Can now enable/disable selected symbol table(s) !
// Allow the user to disable/enable symbol tables
// xxx1xxx symbol table is active (are displayed in disassembly window, etc.)
// xxx1xxx symbol table is disabled (not displayed in disassembly window, etc.)
// See: CmdSymbolsListTable(), g_bDisplaySymbolTables
int g_bDisplaySymbolTables = ((1 << NUM_SYMBOL_TABLES) - 1) & (~(int)SYMBOL_TABLE_PRODOS);// default to all symbol tables displayed/active
// Symbols ________________________________________________________________________________________
char* g_sFileNameSymbols[ NUM_SYMBOL_TABLES ] = {
"APPLE2E.SYM"
,"A2_BASIC.SYM"
,"A2_ASM.SYM"
,"A2_USER1.SYM" // "A2_USER.SYM",
,"A2_USER2.SYM"
,"A2_SRC1.SYM" // "A2_SRC.SYM",
,"A2_SRC2.SYM"
,"A2_DOS33.SYM"
,"A2_PRODOS.SYM"
};
std::string g_sFileNameSymbolsUser;
char * g_aSymbolTableNames[ NUM_SYMBOL_TABLES ] =
{
"Main"
,"Basic"
,"Asm" // "Assembly",
,"User1" // User
,"User2"
,"Src1"
,"Src2"
,"DOS33"
,"ProDOS"
};
bool g_bSymbolsDisplayMissingFile = true;
SymbolTable_t g_aSymbols[ NUM_SYMBOL_TABLES ];
int g_nSymbolsLoaded = 0; // on Last Load
// Utils _ ________________________________________________________________________________________
void _CmdSymbolsInfoHeader( int iTable, char * pText, int nDisplaySize = 0 );
void _PrintCurrentPath();
Update_t _PrintSymbolInvalidTable();
// Private ________________________________________________________________________________________
//===========================================================================
void _PrintCurrentPath()
{
ConsoleDisplayError( g_sProgramDir.c_str() );
}
Update_t _PrintSymbolInvalidTable()
{
char sText[ CONSOLE_WIDTH * 2 ];
char sTemp[ CONSOLE_WIDTH * 2 ];
// TODO: display the user specified file name
ConsoleBufferPush( "Invalid symbol table." );
ConsolePrintFormat( sText, "Only %s%d%s symbol tables are supported:"
, CHC_NUM_DEC, NUM_SYMBOL_TABLES
, CHC_DEFAULT
);
// Similar to _CmdSymbolsInfoHeader()
sText[0] = 0;
for( int iTable = 0; iTable < NUM_SYMBOL_TABLES; iTable++ )
{
sprintf( sTemp, "%s%s%s%c " // %s"
, CHC_USAGE, g_aSymbolTableNames[ iTable ]
, CHC_ARG_SEP
, (iTable != (NUM_SYMBOL_TABLES-1))
? ','
: '.'
);
strcat( sText, sTemp );
}
// return ConsoleDisplayError( sText );
ConsolePrint( sText );
return ConsoleUpdate();
}
// Public _________________________________________________________________________________________
//===========================================================================
const char* GetSymbol (WORD nAddress, int nBytes)
{
const char* pSymbol = FindSymbolFromAddress( nAddress );
if (pSymbol)
return pSymbol;
return FormatAddress( nAddress, nBytes );
}
//===========================================================================
int GetSymbolTableFromCommand()
{
return (g_iCommand - CMD_SYMBOLS_ROM);
}
//===========================================================================
const char* FindSymbolFromAddress (WORD nAddress, int * iTable_ )
{
// Bugfix/User feature: User symbols should be searched first
int iTable = NUM_SYMBOL_TABLES;
while (iTable-- > 0)
{
if (! g_aSymbols[iTable].size())
continue;
if (! (g_bDisplaySymbolTables & (1 << iTable)))
continue;
std::map<WORD, std::string>::iterator iSymbols = g_aSymbols[iTable].find(nAddress);
if(g_aSymbols[iTable].find(nAddress) != g_aSymbols[iTable].end())
{
if (iTable_)
{
*iTable_ = iTable;
}
return iSymbols->second.c_str();
}
}
return NULL;
}
//===========================================================================
bool FindAddressFromSymbol ( const char* pSymbol, WORD * pAddress_, int * iTable_ )
{
// Bugfix/User feature: User symbols should be searched first
for (int iTable = NUM_SYMBOL_TABLES; iTable-- > 0; )
{
if (! g_aSymbols[iTable].size())
continue;
if (! (g_bDisplaySymbolTables & (1 << iTable)))
continue;
SymbolTable_t :: iterator iSymbol = g_aSymbols[iTable].begin();
while (iSymbol != g_aSymbols[iTable].end())
{
if (!_tcsicmp( iSymbol->second.c_str(), pSymbol))
{
if (pAddress_)
{
*pAddress_ = iSymbol->first;
}
if (iTable_)
{
*iTable_ = iTable;
}
return true;
}
iSymbol++;
}
}
return false;
}
// Symbols ________________________________________________________________________________________
//===========================================================================
WORD GetAddressFromSymbol (const char* pSymbol)
{
WORD nAddress;
bool bFoundSymbol = FindAddressFromSymbol( pSymbol, & nAddress );
if (! bFoundSymbol)
{
nAddress = 0;
}
return nAddress;
}
//===========================================================================
bool String2Address( LPCTSTR pText, WORD & nAddress_ )
{
TCHAR sHexApple[ CONSOLE_WIDTH ];
if (pText[0] == '$')
{
if (!TextIsHexString( pText+1))
return false;
_tcscpy( sHexApple, "0x" );
_tcsncpy( sHexApple+2, pText+1, MAX_SYMBOLS_LEN - 3 );
sHexApple[2 + (MAX_SYMBOLS_LEN - 3) - 1] = 0;
pText = sHexApple;
}
if (pText[0] == TEXT('0'))
{
if ((pText[1] == TEXT('X')) || pText[1] == TEXT('x'))
{
if (!TextIsHexString( pText+2))
return false;
TCHAR *pEnd;
nAddress_ = (WORD) _tcstol( pText, &pEnd, 16 );
return true;
}
if (TextIsHexString( pText ))
{
TCHAR *pEnd;
nAddress_ = (WORD) _tcstol( pText, &pEnd, 16 );
return true;
}
}
return false;
}
//===========================================================================
Update_t CmdSymbols (int nArgs)
{
if (! nArgs)
return CmdSymbolsInfo( 0 );
Update_t iUpdate = _CmdSymbolsUpdate( nArgs, SYMBOL_TABLE_USER_1 );
if (iUpdate != UPDATE_NOTHING)
return iUpdate;
int bSymbolTables = (1 << NUM_SYMBOL_TABLES) - 1;
return _CmdSymbolsListTables( nArgs, bSymbolTables );
}
//===========================================================================
Update_t CmdSymbolsClear (int nArgs)
{
SymbolTable_Index_e eSymbolTable = SYMBOLS_USER_1;
_CmdSymbolsClear( eSymbolTable );
return (UPDATE_DISASM | UPDATE_SYMBOLS);
}
// Format the summary of the specified symbol table
//===========================================================================
void _CmdSymbolsInfoHeader( int iTable, char * pText, int nDisplaySize /* = 0 */ )
{
// Common case is to use/calc the table size
bool bActive = (g_bDisplaySymbolTables & (1 << iTable)) ? true : false;
int nSymbols = nDisplaySize ? nDisplaySize : g_aSymbols[ iTable ].size();
// Short Desc: `MAIN`: `1000`
// // 2.6.2.19 Color for name of symbol table: _CmdPrintSymbol() "SYM HOME" _CmdSymbolsInfoHeader "SYM"
// CHC_STRING and CHC_NUM_DEC are both cyan, using CHC_USAGE instead of CHC_STRING
sprintf( pText, "%s%s%s:%s%d " // %s"
, CHC_USAGE, g_aSymbolTableNames[ iTable ]
, CHC_ARG_SEP
, bActive ? CHC_NUM_DEC : CHC_WARNING, nSymbols
// , CHC_DEFAULT
);
}
//===========================================================================
Update_t CmdSymbolsInfo (int nArgs)
{
const char sIndent[] = " ";
char sText[ CONSOLE_WIDTH * 4 ] = "";
char sTemp[ CONSOLE_WIDTH * 2 ] = "";
int bDisplaySymbolTables = 0;
strcpy( sText, sIndent ); // Indent new line
if (! nArgs)
{
// default to all tables
bDisplaySymbolTables = (1 << NUM_SYMBOL_TABLES) - 1;
}
else
{ // Convert Command Index to parameter
int iWhichTable = GetSymbolTableFromCommand();
if ((iWhichTable < 0) || (iWhichTable >= NUM_SYMBOL_TABLES))
{
return _PrintSymbolInvalidTable();
}
bDisplaySymbolTables = (1 << iWhichTable);
}
//sprintf( sText, " Symbols Main: %s%d%s User: %s%d%s Source: %s%d%s"
// "Main:# Basic:# Asm:# User1:# User2:# Src1:# Src2:# Dos:# Prodos:#
int bTable = 1;
int iTable = 0;
for( ; bTable <= bDisplaySymbolTables; iTable++, bTable <<= 1 )
{
if( bDisplaySymbolTables & bTable )
{
_CmdSymbolsInfoHeader( iTable, sTemp ); // 15 chars per table
// 2.8.0.4 BUGFIX: Check for buffer overflow and wrap text
int nLen = ConsoleColor_StringLength( sTemp );
int nDst = ConsoleColor_StringLength( sText );
if((nDst + nLen) > CONSOLE_WIDTH )
{
ConsolePrint( sText );
strcpy( sText, sIndent ); // Indent new line
}
strcat( sText, sTemp );
}
}
ConsolePrint( sText );
return ConsoleUpdate();
}
//===========================================================================
void _CmdPrintSymbol( LPCTSTR pSymbol, WORD nAddress, int iTable )
{
char sText[ CONSOLE_WIDTH * 2 ];
// 2.6.2.19 Color for name of symbol table: _CmdPrintSymbol() "SYM HOME" _CmdSymbolsInfoHeader "SYM"
// CHC_STRING and CHC_NUM_DEC are both cyan, using CHC_USAGE instead of CHC_STRING
// 2.6.2.20 Changed: Output of found symbol more table friendly. Symbol table name displayed first.
ConsolePrintFormat( sText, " %s%s%s: $%s%04X %s%s"
, CHC_USAGE, g_aSymbolTableNames[ iTable ]
, CHC_ARG_SEP
, CHC_ADDRESS, nAddress
, CHC_SYMBOL, pSymbol );
// ConsoleBufferPush( sText );
}
// Test if bit-mask to index (equal to number of bit-shifs required to reach table)
//=========================================================================== */
bool _FindSymbolTable( int bSymbolTables, int iTable )
{
// iTable is enumeration
// bSymbolTables is bit-flags of enabled tables to search
if( bSymbolTables & (1 << iTable) )
{
return true;
}
return false;
}
// Convert bit-mask to index
//=========================================================================== */
int _GetSymbolTableFromFlag( int bSymbolTables )
{
int iTable = 0;
int bTable = 1;
for( ; bTable <= bSymbolTables; iTable++, bTable <<= 1 )
{
if( bTable & bSymbolTables )
break;
}
return iTable;
}
/**
@param bSymbolTables Bit Flags of which symbol tables to search
//=========================================================================== */
bool _CmdSymbolList_Address2Symbol( int nAddress, int bSymbolTables )
{
int iTable;
const char* pSymbol = FindSymbolFromAddress( nAddress, &iTable );
if (pSymbol)
{
if (_FindSymbolTable( bSymbolTables, iTable ))
{
_CmdPrintSymbol( pSymbol, nAddress, iTable );
return true;
}
}
return false;
}
//===========================================================================
bool _CmdSymbolList_Symbol2Address( LPCTSTR pSymbol, int bSymbolTables )
{
int iTable;
WORD nAddress;
bool bFoundSymbol = FindAddressFromSymbol( pSymbol, &nAddress, &iTable );
if (bFoundSymbol)
{
if (_FindSymbolTable( bSymbolTables, iTable ))
{
_CmdPrintSymbol( pSymbol, nAddress, iTable );
}
}
return bFoundSymbol;
}
// LIST is normally an implicit "LIST *", but due to the numbers of symbols
// only look up symbols the user specifies
//===========================================================================
Update_t CmdSymbolsList (int nArgs )
{
int bSymbolTables = (1 << NUM_SYMBOL_TABLES) - 1; // default to all
return _CmdSymbolsListTables( nArgs, bSymbolTables );
}
//===========================================================================
Update_t _CmdSymbolsListTables (int nArgs, int bSymbolTables )
{
if (! nArgs)
{
return Help_Arg_1( CMD_SYMBOLS_LIST );
}
/*
Test Cases
SYM 0 RESET FA6F $FA59
$0000 LOC0
$FA6F RESET
$FA6F INITAN
$FA59 OLDBRK
SYM B
SYMBOL B = $2000
SYM B
*/
TCHAR sText[ CONSOLE_WIDTH ] = "";
for( int iArgs = 1; iArgs <= nArgs; iArgs++ )
{
WORD nAddress = g_aArgs[iArgs].nValue;
LPCTSTR pSymbol = g_aArgs[iArgs].sArg;
// Dump all symbols for this table
if( g_aArgRaw[iArgs].eToken == TOKEN_STAR)
{
// int iWhichTable = (g_iCommand - CMD_SYMBOLS_MAIN);
// bDisplaySymbolTables = (1 << iWhichTable);
int iTable = 0;
int bTable = 1;
for( ; bTable <= bSymbolTables; iTable++, bTable <<= 1 )
{
if( bTable & bSymbolTables )
{
int nSymbols = g_aSymbols[iTable].size();
if (nSymbols)
{
SymbolTable_t :: iterator iSymbol = g_aSymbols[iTable].begin();
while (iSymbol != g_aSymbols[iTable].end())
{
const char *pSymbol = iSymbol->second.c_str();
unsigned short nAddress = iSymbol->first;
_CmdPrintSymbol( pSymbol, nAddress, iTable );
++iSymbol;
}
}
_CmdSymbolsInfoHeader( iTable, sText );
ConsolePrint( sText );
}
}
}
else
if (nAddress)
{ // Have address, do symbol lookup first
if (! _CmdSymbolList_Symbol2Address( pSymbol, bSymbolTables ))
{
// nope, ok, try as address
if (! _CmdSymbolList_Address2Symbol( nAddress, bSymbolTables))
{
ConsolePrintFormat( sText
, TEXT(" Address not found: %s$%s%04X%s" )
, CHC_ARG_SEP
, CHC_ADDRESS, nAddress, CHC_DEFAULT );
}
}
}
else
{ // Have symbol, do address lookup
if (! _CmdSymbolList_Symbol2Address( pSymbol, bSymbolTables ))
{ // nope, ok, try as address
if (String2Address( pSymbol, nAddress ))
{
if (! _CmdSymbolList_Address2Symbol( nAddress, bSymbolTables ))
{
ConsolePrintFormat( sText
, TEXT(" %sSymbol not found: %s%s%s")
, CHC_ERROR, CHC_SYMBOL, pSymbol, CHC_DEFAULT
);
}
}
else
{
ConsolePrintFormat( sText
, TEXT(" %sSymbol not found: %s%s%s")
, CHC_ERROR, CHC_SYMBOL, pSymbol, CHC_DEFAULT
);
}
}
}
}
return ConsoleUpdate();
}
//===========================================================================
int ParseSymbolTable(const std::string & pPathFileName, SymbolTable_Index_e eSymbolTableWrite, int nSymbolOffset )
{
char sText[ CONSOLE_WIDTH * 3 ];
bool bFileDisplayed = false;
const int nMaxLen = min(MAX_TARGET_LEN,MAX_SYMBOLS_LEN);
int nSymbolsLoaded = 0;
if (pPathFileName.empty())
return nSymbolsLoaded;
//#if _UNICODE
// TCHAR sFormat1[ MAX_SYMBOLS_LEN ];
// TCHAR sFormat2[ MAX_SYMBOLS_LEN ];
// wsprintf( sFormat1, "%%x %%%ds", MAX_SYMBOLS_LEN ); // i.e. "%x %13s"
// wsprintf( sFormat2, "%%%ds %%x", MAX_SYMBOLS_LEN ); // i.e. "%13s %x"
// ascii
char sFormat1[ MAX_SYMBOLS_LEN ];
char sFormat2[ MAX_SYMBOLS_LEN ];
sprintf( sFormat1, "%%x %%%ds", MAX_SYMBOLS_LEN ); // i.e. "%x %13s"
sprintf( sFormat2, "%%%ds %%x", MAX_SYMBOLS_LEN ); // i.e. "%13s %x"
FILE *hFile = fopen( pPathFileName.c_str(), "rt" );
if( !hFile && g_bSymbolsDisplayMissingFile )
{
// TODO: print filename! Bug #242 Help file (.chm) description for "Symbols" #242
ConsoleDisplayError( "Symbol File not found:" );
_PrintCurrentPath();
nSymbolsLoaded = -1; // HACK: ERROR: FILE NOT EXIST
}
bool bDupSymbolHeader = false;
if( hFile )
{
while( !feof(hFile) )
{
// Support 2 types of symbols files:
// 1) AppleWin:
// . 0000 SYMBOL
// . FFFF SYMBOL
// 2) ACME:
// . SYMBOL =$0000; Comment
// . SYMBOL =$FFFF; Comment
//
DWORD nAddress = _6502_MEM_END + 1; // default to invalid address
char sName[ MAX_SYMBOLS_LEN+1 ] = "";
const int MAX_LINE = 256;
char szLine[ MAX_LINE ] = "";
if( !fgets(szLine, MAX_LINE-1, hFile) ) // Get next line
{
//ConsolePrint("<<EOF");
break;
}
if(strstr(szLine, "$") == NULL)
{
sscanf(szLine, sFormat1, &nAddress, sName);
}
else
{
char* p = strstr(szLine, "="); // Optional
if(p) *p = ' ';
p = strstr(szLine, "$");
if(p) *p = ' ';
p = strstr(szLine, ";"); // Optional
if(p) *p = 0;
p = strstr(szLine, " "); // 1st space between name & value
if (p)
{
int nLen = p - szLine;
if (nLen > MAX_SYMBOLS_LEN)
{
memset(&szLine[MAX_SYMBOLS_LEN], ' ', nLen - MAX_SYMBOLS_LEN); // sscanf fails for nAddress if string too long
}
}
sscanf(szLine, sFormat2, sName, &nAddress);
}
// SymbolOffset
nAddress += nSymbolOffset;
if( (nAddress > _6502_MEM_END) || (sName[0] == 0) )
continue;
// If updating symbol, print duplicate symbols
WORD nAddressPrev;
int iTable;
// 2.9.0.11 Bug #479
int nLen = strlen( sName );
if (nLen > nMaxLen)
{
ConsolePrintFormat( sText, " %sWarn.: %s%s (%d > %d)"
, CHC_WARNING
, CHC_SYMBOL
, sName
, nLen
, nMaxLen
);
ConsoleUpdate(); // Flush buffered output so we don't ask the user to pause
}
// 2.8.0.5 Bug #244 (Debugger) Duplicate symbols for identical memory addresses in APPLE2E.SYM
const char *pSymbolPrev = FindSymbolFromAddress( (WORD)nAddress, &iTable ); // don't care which table it is in
if( pSymbolPrev )
{
if( !bFileDisplayed )
{
bFileDisplayed = true;
// TODO: Must check for buffer overflow !
ConsolePrintFormat( sText, "%s%s"
, CHC_PATH
, pPathFileName.c_str()
);
}
ConsolePrintFormat( sText, " %sInfo.: %s%-16s %saliases %s$%s%04X %s%-12s%s (%s%s%s)" // MAGIC NUMBER: -MAX_SYMBOLS_LEN
, CHC_INFO // 2.9.0.10 was CHC_WARNING, see #479
, CHC_SYMBOL
, sName
, CHC_INFO
, CHC_ARG_SEP
, CHC_ADDRESS
, nAddress
, CHC_SYMBOL
, pSymbolPrev
, CHC_DEFAULT
, CHC_STRING
, g_aSymbolTableNames[ iTable ]
, CHC_DEFAULT
);
ConsoleUpdate(); // Flush buffered output so we don't ask the user to pause
/*
ConsolePrintFormat( sText, " %sWarning: %sAddress already has symbol Name%s (%s%s%s): %s%s"
, CHC_WARNING
, CHC_INFO
, CHC_ARG_SEP
, CHC_STRING
, g_aSymbolTableNames[ iTable ]
, CHC_DEFAULT
, CHC_SYMBOL
, pSymbolPrev
);
ConsolePrintFormat( sText, " %s$%s%04X %s%-31s%s"
, CHC_ARG_SEP
, CHC_ADDRESS
, nAddress
, CHC_SYMBOL
, sName
, CHC_DEFAULT
);
*/
}
bool bExists = FindAddressFromSymbol( sName, &nAddressPrev, &iTable );
if( bExists )
{
if( !bDupSymbolHeader )
{
bDupSymbolHeader = true;
ConsolePrintFormat( sText, " %sDup Symbol Name%s (%s%s%s) %s"
, CHC_ERROR
, CHC_DEFAULT
, CHC_STRING
, g_aSymbolTableNames[ iTable ]
, CHC_DEFAULT
, pPathFileName.c_str()
);
}
ConsolePrintFormat( sText, " %s$%s%04X %s%-31s%s"
, CHC_ARG_SEP
, CHC_ADDRESS
, nAddress
, CHC_SYMBOL
, sName
, CHC_DEFAULT
);
}
// else // It is not a bug to have duplicate addresses by different names
g_aSymbols[ eSymbolTableWrite ] [ (WORD) nAddress ] = sName;
nSymbolsLoaded++; // TODO: FIXME: BUG: This is the total symbols read, not added
}
fclose(hFile);
}
return nSymbolsLoaded;
}
//===========================================================================
Update_t CmdSymbolsLoad (int nArgs)
{
std::string sFileName = g_sProgramDir;
int iSymbolTable = GetSymbolTableFromCommand();
if ((iSymbolTable < 0) || (iSymbolTable >= NUM_SYMBOL_TABLES))
{
return _PrintSymbolInvalidTable();
}
int nSymbols = 0;
// Debugger will call us with 0 args on startup as a way to pre-load symbol tables
if (! nArgs)
{
sFileName += g_sFileNameSymbols[ iSymbolTable ];
nSymbols = ParseSymbolTable( sFileName, (SymbolTable_Index_e) iSymbolTable );
}
int iArg = 1;
if (iArg <= nArgs)
{
std::string pFileName;
if( g_aArgs[ iArg ].bType & TYPE_QUOTED_2 )
{
pFileName = g_aArgs[ iArg ].sArg;
sFileName = g_sProgramDir + pFileName;
// Remember File Name of last symbols loaded
g_sFileNameSymbolsUser = pFileName;
}
// SymbolOffset
// sym load "filename" [,symbol_offset]
unsigned int nOffsetAddr = 0;
iArg++;
if( iArg <= nArgs)
{
if (g_aArgs[ iArg ].eToken == TOKEN_COMMA)
{
iArg++;
if( iArg <= nArgs )
{
nOffsetAddr = g_aArgs[ iArg ].nValue;
if( (nOffsetAddr < _6502_MEM_BEGIN) || (nOffsetAddr > _6502_MEM_END) )
{
nOffsetAddr = 0;
}
}
}
}
if( !pFileName.empty() )
{
nSymbols = ParseSymbolTable( sFileName, (SymbolTable_Index_e) iSymbolTable, nOffsetAddr );
}
}
if( nSymbols > 0 )
{
g_nSymbolsLoaded = nSymbols;
}
Update_t bUpdateDisplay = UPDATE_DISASM;
bUpdateDisplay |= (nSymbols > 0) ? UPDATE_SYMBOLS : 0;
return bUpdateDisplay;
}
//===========================================================================
Update_t _CmdSymbolsClear( SymbolTable_Index_e eSymbolTable )
{
g_aSymbols[ eSymbolTable ].clear();
return UPDATE_SYMBOLS;
}
//===========================================================================
void SymbolUpdate( SymbolTable_Index_e eSymbolTable, char *pSymbolName, WORD nAddress, bool bRemoveSymbol, bool bUpdateSymbol )
{
if (bRemoveSymbol)
pSymbolName = g_aArgs[2].sArg;
if (_tcslen( pSymbolName ) < MAX_SYMBOLS_LEN)
{
WORD nAddressPrev;
int iTable;
bool bExists = FindAddressFromSymbol( pSymbolName, &nAddressPrev, &iTable );
if (bExists)
{
if (iTable == eSymbolTable)
{
if (bRemoveSymbol)
{
ConsoleBufferPush( TEXT(" Removing symbol." ) );
}
g_aSymbols[ eSymbolTable ].erase( nAddressPrev );
if (bUpdateSymbol)
{
char sText[ CONSOLE_WIDTH * 2 ];
ConsolePrintFormat( sText, " Updating %s%s%s from %s$%s%04X%s to %s$%s%04X%s"
, CHC_SYMBOL, pSymbolName, CHC_DEFAULT
, CHC_ARG_SEP
, CHC_ADDRESS, nAddressPrev, CHC_DEFAULT
, CHC_ARG_SEP
, CHC_ADDRESS, nAddress, CHC_DEFAULT
);
}
}
}
else
{
if (bRemoveSymbol)
{
ConsoleBufferPush( TEXT(" Symbol not in table." ) );
}
}
if (bUpdateSymbol)
{
#if _DEBUG
const char* pSymbol = FindSymbolFromAddress( nAddress, &iTable );
{
// Found another symbol for this address. Harmless.
// TODO: Probably should check if same name?
}
#endif
g_aSymbols[ eSymbolTable ][ nAddress ] = pSymbolName;
// Tell user symbol was added
char sText[ CONSOLE_WIDTH * 2 ];
ConsolePrintFormat( sText, " Added symbol: %s%s%s %s$%s%04X%s"
, CHC_SYMBOL, pSymbolName, CHC_DEFAULT
, CHC_ARG_SEP
, CHC_ADDRESS, nAddress, CHC_DEFAULT
);
}
}
}
//===========================================================================
Update_t _CmdSymbolsUpdate( int nArgs, int bSymbolTables )
{
bool bRemoveSymbol = false;
bool bUpdateSymbol = false;
if ((nArgs == 2) &&
((g_aArgs[ 1 ].eToken == TOKEN_EXCLAMATION) || (g_aArgs[1].eToken == TOKEN_TILDE)) )
bRemoveSymbol = true;
if ((nArgs == 3) && (g_aArgs[ 2 ].eToken == TOKEN_EQUAL ))
bUpdateSymbol = true;
if (bRemoveSymbol || bUpdateSymbol)
{
TCHAR *pSymbolName = g_aArgs[1].sArg;
WORD nAddress = g_aArgs[3].nValue;
int iTable = _GetSymbolTableFromFlag( bSymbolTables );
SymbolUpdate( (SymbolTable_Index_e) iTable, pSymbolName, nAddress, bRemoveSymbol, bUpdateSymbol );
return ConsoleUpdate();
}
return UPDATE_NOTHING;
}
//===========================================================================
Update_t _CmdSymbolsCommon ( int nArgs, int bSymbolTables )
{
if (! nArgs)
{
return Help_Arg_1( g_iCommand );
}
Update_t iUpdate = _CmdSymbolsUpdate( nArgs, bSymbolTables );
if (iUpdate != UPDATE_NOTHING)
return iUpdate;
TCHAR sText[ CONSOLE_WIDTH ];
int iArg = 0;
while (iArg++ <= nArgs)
{
int iParam;
int nParams = FindParam( g_aArgs[iArg].sArg, MATCH_EXACT, iParam ); // MATCH_FUZZY
if (nParams)
{
if (iParam == PARAM_CLEAR)
{
int iTable = _GetSymbolTableFromFlag( bSymbolTables );
if (iTable != NUM_SYMBOL_TABLES)
{
Update_t iUpdate = _CmdSymbolsClear( (SymbolTable_Index_e) iTable );
ConsolePrintFormat( sText, TEXT(" Cleared symbol table: %s%s")
, CHC_STRING, g_aSymbolTableNames[ iTable ]
);
iUpdate |= ConsoleUpdate();
return iUpdate;
}
else
{
// Shouldn't have multiple symbol tables selected
// nArgs = _Arg_1( eSymbolsTable );
ConsoleBufferPush( TEXT(" Error: Unknown Symbol Table Type") );
return ConsoleUpdate();
}
}
else
if (iParam == PARAM_LOAD)
{
nArgs = _Arg_Shift( iArg, nArgs);
Update_t bUpdate = CmdSymbolsLoad( nArgs );
int iTable = _GetSymbolTableFromFlag( bSymbolTables );
if (iTable != NUM_SYMBOL_TABLES)
{
if( bUpdate & UPDATE_SYMBOLS )
{
//sprintf( sText, " Symbol Table: %s%s%s, %sloaded symbols: %s%d"
// , CHC_STRING, g_aSymbolTableNames[ iTable ]
// , CHC_DEFAULT, CHC_DEFAULT
// , CHC_NUM_DEC, g_nSymbolsLoaded
//);
_CmdSymbolsInfoHeader( iTable, sText, g_nSymbolsLoaded );
ConsolePrint( sText );
}
}
else
{
ConsoleBufferPush( TEXT(" Error: Unknown Symbol Table Type") );
}
return ConsoleUpdate();
}
else
if (iParam == PARAM_SAVE)
{
nArgs = _Arg_Shift( iArg, nArgs);
return CmdSymbolsSave( nArgs );
}
else
if (iParam == PARAM_ON)
{
g_bDisplaySymbolTables |= bSymbolTables;
int iTable = _GetSymbolTableFromFlag( bSymbolTables );
if (iTable != NUM_SYMBOL_TABLES)
{
_CmdSymbolsInfoHeader( iTable, sText );
ConsolePrint( sText );
}
return ConsoleUpdate() | UPDATE_DISASM;
}
else
if (iParam == PARAM_OFF)
{
g_bDisplaySymbolTables &= ~bSymbolTables;
int iTable = _GetSymbolTableFromFlag( bSymbolTables );
if (iTable != NUM_SYMBOL_TABLES)
{
_CmdSymbolsInfoHeader( iTable, sText );
ConsolePrint( sText );
}
return ConsoleUpdate() | UPDATE_DISASM;
}
}
else
{
return _CmdSymbolsListTables( nArgs, bSymbolTables );
}
}
return ConsoleUpdate();
}
//===========================================================================
Update_t CmdSymbolsCommand (int nArgs)
{
if (! nArgs)
{
return CmdSymbolsInfo( 1 );
}
int bSymbolTable = SYMBOL_TABLE_MAIN << GetSymbolTableFromCommand();
return _CmdSymbolsCommon( nArgs, bSymbolTable ); // BUGFIX 2.6.2.12 Hard-coded to SYMMAIN
}
//===========================================================================
Update_t CmdSymbolsSave (int nArgs)
{
return UPDATE_CONSOLE_DISPLAY;
}
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