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/* lknoice.c */
/*
* Copyright (C) 1989-2009 Alan R. Baldwin
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* Alan R. Baldwin
* 721 Berkeley St.
* Kent, Ohio 44240
*
*
* Extensions to produce NoICE debug files
*
* 31-Oct-1997 by John Hartman
* 30-Jan-98 JLH add page to DefineNoICE for 8051
* 2-Feb-98 JLH Allow optional .nest on local vars - C scoping rules...
* 27-May-01 ARB Updated for ASxxxx V4
*/
#include "aslink.h"
#if NOICE
/*Module lknoice.c
*
* The module lknoice.c contains the functions
* required to create a NoICE debug file.
*
* lknoice.c contains the following functions:
* VOID NoICEfopen()
* VOID NoICEmagic()
* VOID DefineNoICE()
* VOID DefineGlobal()
* VOID DefineScoped()
* VOID DefineFile()
* VOID DefineFunction()
* VOID DefineStaticFunction()
* VOID DefineEndFunction()
* VOID DefineLine()
* VOID PagedAddress()
*
* lknoice.c contains these local variables:
* struct noicebn *noicebnp pointer to linked structure of
* ';!FILE' specifications
* char currentFile[] file being processed
* char currentFunction[] function being processed
*/
struct noicefn {
struct noicefn *n_np; /* noicefn link */
char * n_id; /* file name */
};
static struct noicefn *noicefnp = NULL;
static char currentFile[NCPS];
static char currentFunction[NCPS];
/*)Function VOID NoICEfopen()
*
* The function NoICEfopen() opens the NoICE output file
* and sets the map flag, mflag, to create a map file.
* NoICE processing is performed during map generation.
*
* local variables:
* none
*
* global variables:
* int jflag NoICE Debug flag
* FILE * jfp NoICE Debug File handle
* struct lfile *linkp Pointer to the Linker output file name
* int mflag Map output flag
*
* functions called:
* FILE * afile() lkmain.c
* VOID lkexit() lkmain.c
*
* side effects:
* The NoICE output file is opened.
* Failure to open the file will
* terminate the linker.
*/
VOID NoICEfopen(void)
{
if (jflag) {
jfp = afile(linkp->f_idp, "noi", 1);
if (jfp == NULL) {
lkexit(1);
}
mflag = 1;
}
}
/*)Function VOID NoICEmagic()
*
* The function NoICEmagic() passes any "magic Comments"
* to the NoICE output file. Magic comments are those
* beginning with ";!". Also a linked list of file names
* specified in ";!FILE" magic comments is created. These
* file names are used to verify that symbols in the
* ASxxxx .rel files of the form str1.str2 are NoICE symbols.
*
* local variables:
* char id[] id string
* struct noicefn * np pointer to new structure
* char * p1 temporary string pointer
* char * p2 temporary string pointer
* struct noicefn * tnp temporary pointer to noicefn structure
*
* global variables:
* char * ip position into the current
* input text line
* FILE * jfp NoICE Debug File handle
*
* functions called:
* VOID getid() lklex.c
* VOID * new() lksym.c
* int fprintf() c_library
* char * strrchr() c_library
* char * strsto() lksym.c
* int symeq() lksym.c
*
* side effects:
* The NoICE "magic comments" are passed
* to the output file. A list of assembler
* file names is created.
*/
VOID NoICEmagic(void)
{
char id[NCPS];
char *p1, *p2;
struct noicefn *np, *tnp;
/*
* Pass any "magic comments" to NoICE output
*/
if ((ip[0] == ';') && (ip[1] == '!')) {
if (jfp) {
fprintf(jfp, "%s\n", &ip[2]);
}
if (pass == 0) {
getid(id, -1);
if (symeq(id, ";!FILE", 1)) {
getid(id, -1);
/*
* The name starts after the last
* '/' (Unices) or
* ':' or '\' (DOS)
*
* and ends at the last
* separator 'FSEPX'
*/
p1 = id;
if ((p2 = strrchr(p1, '\\')) != NULL) p1 = ++p2;
if ((p2 = strrchr(p1, '/')) != NULL) p1 = ++p2;
if ((p2 = strrchr(p1, ':')) != NULL) p1 = ++p2;
if ((p2 = strrchr(p1, FSEPX)) != NULL) *p2 = 0;
np = (struct noicefn *) new (sizeof(struct noicefn));
if (noicefnp == NULL) {
noicefnp = np;
} else {
tnp = noicefnp;
while (tnp->n_np)
tnp = tnp->n_np;
tnp->n_np = np;
}
np->n_id = strsto(p1);
}
}
}
}
/*)Function VOID DefineNoICE()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineNoICE() processes the symbols into
* NoICE commands for inclusion in the NoICE output file.
*
* The function is called from lstarea in lklist.c
* for each symbol.
*
* local variables:
* int j parsed argument count
* int k parsed argument count
* int level function level
* char token1[] parsed string
* char token2[] parsed string
* char token2[] parsed string
* char sep1 parsed character
* char sep2 parsed character
* struct noicefn * tnp temporary pointer to noicefn structure
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* VOID DefineFile() lknoice.c
* VOID DefineFunction() lknoice.c
* VOID DefineStaticFunction() lknoice.c
* VOID DefineEndFunction() lknoice.c
* VOID DefineScoped() lknoice.c
* VOID DefineLine() lknoice.c
* VOID DefineGlobal() lknoice.c
* VOID PagedAddress() lknoice.c
* int sprintf() c_library
* int sscanf() c_library
* int symeq() lksym.c
*
* side effects:
* NoICE debug commands are placed
* into the output file.
*/
void DefineNoICE( char *name, a_uint value, struct bank *yp )
{
char token1[NCPS]; /* parse for file.function.symbol */
char token2[NCPS];
char token3[NCPS];
char sep1, sep2;
int j, k, level;
struct noicefn *np;
/* no output if file is not open */
if (jfp == NULL) return;
j = sscanf( name, "%[^.]%c%[^.]%c%s", token1, &sep1, token2, &sep2, token3 );
if (j > 1) {
/* verify that first token is a file name */
k = 1;
np = noicefnp;
while (np != NULL) {
if (symeq(token1, np->n_id, 1)) {
k = j;
break;
}
np = np->n_np;
}
j = k;
}
switch (j)
{
/* file.function.symbol, or file.function..SPECIAL */
case 5:
DefineFile( token1, 0, NULL );
if (token3[0] == '.')
{
if (symeq( token3, ".FN", 1 ) != 0)
{
/* Global function */
DefineFunction( token2, value, yp );
}
else if (symeq( token3, ".SFN", 1 ) != 0)
{
/* Static (file-scope) function */
DefineStaticFunction( token2, value, yp );
}
else if (symeq( token3, ".EFN", 1 ) != 0)
{
/* End of function */
DefineEndFunction( value, yp );
}
}
else
{
/* Function-scope var. */
DefineFunction( token2, 0, NULL );
/* Look for optional level integer */
j = sscanf( token3, "%[^.]%c%u", token1, &sep1, &level );
if ((j == 3) && (level != 0))
{
sprintf( &token1[ strlen(token1) ], "_%u", level );
}
DefineScoped( token1, value, yp );
}
break;
/* either file.symbol or file.line# */
case 3:
DefineFile( token1, 0, NULL );
if ((token2[0] >= '0') && (token2[0] <= '9'))
{
/* Line number */
DefineLine( token2, value, yp );
}
else
{
/* File-scope symbol. (Kill any function) */
DefineEndFunction( 0, NULL );
DefineScoped( token2, value, yp );
}
break;
/* NoICE file.func. is illegal */
case 4:
/* NoICE symbol. is illegal */
case 2:
/* just a symbol */
case 1:
/* NoICE .symbol is illegal */
case 0:
default:
DefineGlobal( name, value, yp );
break;
}
}
/*)Function VOID DefineGlobal()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineGlobal() places a DEF statement
* in the .noi debug file for the global symbol.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
*
* side effects:
* A global symbol definition is
* placed in the .noi debug file.
*/
void DefineGlobal( char *name, a_uint value, struct bank *yp )
{
fprintf( jfp, "DEF %s ", name );
PagedAddress( value, yp );
}
/*)Function VOID DefineScoped()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineScoped() places a DEFS statement
* in the .noi debug file for the scoped symbol.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
*
* side effects:
* A scoped symbol definition is
* placed in the .noi debug file.
*/
void DefineScoped( char *name, a_uint value, struct bank *yp )
{
fprintf( jfp, "DEFS %s ", name );
PagedAddress( value, yp );
}
/*)Function VOID DefineFile()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineFile() places a FILE statement
* in the .noi debug file for the processed file.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
* char * strcpy() c_library
* int symeq() lksym.c
*
* side effects:
* A file name definition is
* placed in the .noi debug file.
*/
void DefineFile( char *name, a_uint value, struct bank *yp )
{
if (symeq( name, currentFile, 1 ) == 0)
{
strcpy( currentFile, name );
if (value != 0)
{
fprintf( jfp, "FILE %s ", name );
PagedAddress( value, yp );
}
else
{
fprintf( jfp, "FILE %s\n", name );
}
}
}
/*)Function VOID DefineFunction()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineFunction() places a FUNC statement
* in the .noi debug file for the processed symbol. If
* a vaulue is present then a preceeding DEF statement is
* also placed in the .noi debug file.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
* char * strcpy() c_library
* int symeq() lksym.c
*
* side effects:
* A function definition is
* placed in the .noi debug file.
*/
void DefineFunction( char *name, a_uint value, struct bank *yp )
{
if (symeq( name, currentFunction, 1 ) == 0)
{
strcpy( currentFunction, name );
if (value != 0)
{
fprintf( jfp, "DEF %s ", name );
PagedAddress( value, yp );
fprintf( jfp, "FUNC %s ", name );
PagedAddress( value, yp );
}
else
{
fprintf( jfp, "FUNC %s\n", name );
}
}
}
/*)Function VOID DefineStaticFunction()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineStaticFunction() places a SFUNC statement
* in the .noi debug file for the processed file. If
* a value is present then a preceeding DEFS statement is
* also placed in the .noi debug file.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
* char * strcpy() c_library
* int symeq() lksym.c
*
* side effects:
* A static function definition is
* placed in the .noi debug file.
*/
void DefineStaticFunction( char *name, a_uint value, struct bank *yp )
{
if (symeq( name, currentFunction, 1 ) == 0)
{
strcpy( currentFunction, name );
if (value != 0)
{
fprintf( jfp, "DEFS %s ", name );
PagedAddress( value, yp );
fprintf( jfp, "SFUNC %s ", name );
PagedAddress( value, yp );
}
else
{
fprintf( jfp, "SFUNC %s\n", name );
}
}
}
/*)Function VOID DefineEndFunction()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineEndFunction() places an ENDF statement
* in the .noi debug file for the processed file.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
* char * strcpy() c_library
* int symeq() lksym.c
*
* side effects:
* An end function definition is
* placed in the .noi debug file.
*/
void DefineEndFunction( a_uint value, struct bank *yp )
{
if (currentFunction[0] != 0)
{
if (value != 0)
{
fprintf( jfp, "ENDF " );
PagedAddress( value, yp );
}
else
{
fprintf( jfp, "ENDF\n" );
}
currentFunction[0] = 0;
}
}
/*)Function VOID DefineLine()
*
* char * name pointer to the symbol string
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function DefineLine() places a LINE statement
* in the .noi debug file for the processed file.
*
* local variables:
* int indigit converted digit
* int lineNumber converted line number
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
* VOID PagedAddress() lknoice.c
* int digit() lkeval.c
*
* side effects:
* A Line definition is
* placed in the .noi debug file.
*/
void DefineLine( char *lineString, a_uint value, struct bank *yp )
{
int indigit, lineNumber;
lineNumber = 0;
while( (indigit=digit( *lineString++, 10 )) >= 0)
{
lineNumber = 10*lineNumber + indigit;
}
fprintf( jfp, "LINE %u ", lineNumber );
PagedAddress( value, yp );
}
/*)Function VOID PagedAddress()
*
* a_uint value value of symbol
* struct bank * yp pointer to associated bank
*
* The function PagedAddress() places the value
* in the .noi debug file for the processed value.
* If the current bank is "mapped" then the page
* number preceeds the value as xx:.
*
* local variables:
* none
*
* global variables:
* FILE * jfp NoICE Debug File handle
*
* functions called:
* int fprintf() c_library
*
* side effects:
* A value is appended to the current
* line placed in the .noi debug file.
*/
void PagedAddress( a_uint value, struct bank *yp )
{
if (yp->b_flag & B_MAP) {
fprintf( jfp, "%X:0x%X\n", yp->b_map, value );
} else {
fprintf( jfp, "0x%X\n", value );
}
}
#endif
|
