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/*
Crown Copyright (c) 1997
This TenDRA(r) Computer Program is subject to Copyright
owned by the United Kingdom Secretary of State for Defence
acting through the Defence Evaluation and Research Agency
(DERA). It is made available to Recipients with a
royalty-free licence for its use, reproduction, transfer
to other parties and amendment for any purpose not excluding
product development provided that any such use et cetera
shall be deemed to be acceptance of the following conditions:-
(1) Its Recipients shall ensure that this Notice is
reproduced upon any copies or amended versions of it;
(2) Any amended version of it shall be clearly marked to
show both the nature of and the organisation responsible
for the relevant amendment or amendments;
(3) Its onward transfer from a recipient to another
party shall be deemed to be that party's acceptance of
these conditions;
(4) DERA gives no warranty or assurance as to its
quality or suitability for any purpose and DERA accepts
no liability whatsoever in relation to any use to which
it may be put.
*/
/**********************************************************************
$Author: release $
$Date: 1998/02/04 10:43:42 $
$Revision: 1.2 $
$Log: makesymtab.c,v $
* Revision 1.2 1998/02/04 10:43:42 release
* Changes during testing.
*
* Revision 1.1.1.1 1998/01/17 15:56:06 release
* First version to be checked into rolling release.
*
* Revision 1.3 1995/11/23 13:17:22 currie
* Cache real consts + get text file name right in diags
*
* Revision 1.2 1995/09/12 10:59:32 currie
* gcc pedanttry
*
* Revision 1.1 1995/04/13 09:08:06 currie
* Initial revision
*
***********************************************************************/
#include "config.h"
#include "cross_config.h"
#ifndef CROSS_INCLUDE
#include <symconst.h>
#else
#include CROSS_INCLUDE/symconst.h>
#endif
#include "symtab.h"
#include "common_types.h"
#include "flags.h"
#include "makesymtab.h"
#include "xalloc.h"
extern bool BIGEND;
int MAJOR_VERSION_as = 3;
int MINOR_VERSION_as = 12;
long count_syms
PROTO_N ( (symlist) )
PROTO_T ( LSYMS* symlist )
{
long symindex = symlist->noofsyms;
while (symlist->nextsyms!=0)
{ symlist=symlist->nextsyms;
symindex+=symlist->noofsyms;
}
return symindex;
}
long count_strings
PROTO_N ( (list) )
PROTO_T ( STRINGS* list )
{
long stringind=list->usage;
while (list->overspill!=0)
{ list=list->overspill;
stringind+=list->usage;
}
return stringind;
}
long count_aux
PROTO_N ( (auxdata) )
PROTO_T ( AUXTAB* auxdata )
{
long auxcount=auxdata->num;
while (auxdata->moreaux!=0)
{ auxdata=auxdata->moreaux;
auxcount+=auxdata->num;
}
return auxcount;
}
/* Function to make a symbol table from various components.
Sets up a .T file for use by as1 (this function is called from
new_symbol.c using output_symtab(name of .T file). )
by R.R.R 3/12/90 */
void makesymtab
PROTO_N ((extstrings, extsymbols, densenos, filedescs, numfiles,
symtabname, noextsyms, nosyms, extstringsize, stringsize,
noaux, densind, procinds, noprocs))
PROTO_T ( STRINGS* extstrings X ESYMS* extsymbols X DENSETAB* densenos X
pSYMFDR filedescs X long numfiles X char* symtabname X
long noextsyms X long nosyms X long extstringsize X
long stringsize X long noaux X long densind X
PROCSYM* procinds X long noprocs )
{
/* function to produce a symbol table (.T file), from information supplied
by the translator, including TDF diagnostics. The output file and the
binary assembler file (.G , made by as0 on a *.s file) can then be
passed to as1 */
LSYMS * symlist;
HDRR symhdrout; /* symbolic header */
int i,j;
FDR fdrtab;
long stroff=0;
long symoff=0;
long procoff=0;
long auxoff=0;
PDR* pdr_ptr;
STRINGS* tempstrings;
AUXTAB* auxdata;
pSYMFDR tempfileptr;
FILE* sym_tab_file = fopen(symtabname,"w");
/****************** set up new symbolic header **********************/
symhdrout.magic = magicSym; /* defined in symconst.h */
symhdrout.vstamp = MAJOR_VERSION_as*256+MINOR_VERSION_as;
symhdrout.ilineMax = 0;
symhdrout.cbLine = 0;
symhdrout.cbLineOffset = 0;
symhdrout.ipdMax = noprocs;
symhdrout.cbPdOffset = sizeof(HDRR);
symhdrout.isymMax = nosyms;
symhdrout.cbSymOffset = symhdrout.cbPdOffset + noprocs*sizeof(PDR);
symhdrout.ioptMax = 0;
symhdrout.cbOptOffset = 0;
symhdrout.iauxMax = noaux;
symhdrout.cbAuxOffset = symhdrout.cbSymOffset + nosyms*sizeof(SYMR);
symhdrout.issMax = stringsize;
symhdrout.cbSsOffset = symhdrout.cbAuxOffset + noaux*sizeof(AUXU);
symhdrout.issExtMax = extstringsize;
symhdrout.cbSsExtOffset = symhdrout.cbSsOffset + stringsize;
symhdrout.ifdMax = numfiles;
symhdrout.cbFdOffset = symhdrout.cbSsExtOffset + extstringsize;
symhdrout.crfd = 0;
symhdrout.cbRfdOffset = 0; /* something may need to be done here */
symhdrout.iextMax = noextsyms;
symhdrout.cbExtOffset = symhdrout.cbFdOffset + symhdrout.ifdMax*sizeof(FDR);
/* Dense numbers */
symhdrout.idnMax = densind;
symhdrout.cbDnOffset = symhdrout.cbExtOffset + symhdrout.iextMax*sizeof(EXTR);
/* write header to output file */
fwrite(&symhdrout,sizeof(HDRR),1,sym_tab_file);
/******************** header completed *************************/
/**************** write the tables to the file ******************/
tempfileptr=filedescs;
/* initialise proc info */
pdr_ptr=(PDR*)xcalloc(1,sizeof(PDR));
for (j=0;j<numfiles;j++)
{PROCSYM* procindptr=procinds;
for (i=1;i<=noprocs;i++,procindptr++)
{if (procindptr->fnum==j)
{
pdr_ptr->isym=procindptr->procsymindex;
fwrite(pdr_ptr,sizeof(PDR),1,sym_tab_file);
}
}
}
/* write local symbols */
for (i=1;i<=numfiles;i++,tempfileptr++)
{symlist=tempfileptr->symbols;
while (symlist)
{
fwrite(symlist->symlist,sizeof(SYMR), symlist->noofsyms, sym_tab_file);
symlist=symlist->nextsyms;
}
}
/* write auxillary symbol entries */
tempfileptr=filedescs;
for (i=1;i<=numfiles;i++,tempfileptr++)
{auxdata=tempfileptr->auxtabs;
while (auxdata)
{ fwrite(auxdata->auxinfo,sizeof(AUXU),auxdata->num,
sym_tab_file);
auxdata=auxdata->moreaux;
}
}
/* write local strings */
tempfileptr=filedescs;
for (i=1;i<=numfiles;i++,tempfileptr++)
{
tempstrings = tempfileptr->filestr;
while (tempstrings)
{
fwrite(tempstrings->str, sizeof(char), tempstrings->usage,sym_tab_file);
tempstrings=tempstrings->overspill;
}
}
/* write external strings */
tempstrings=extstrings;
while (tempstrings)
{
fwrite(tempstrings->str, sizeof(char), tempstrings->usage,sym_tab_file);
tempstrings=tempstrings->overspill;
}
/* write file descriptors */
tempfileptr=filedescs;
for(i=1;i<=numfiles;i++,tempfileptr++)
{long count;
fdrtab.adr=0;
fdrtab.rss=1; /* source file name at start of lsymbols */
fdrtab.issBase = stroff;
count= count_strings(tempfileptr->filestr);
stroff+=count;
fdrtab.cbSs=count;
count=count_syms(tempfileptr->symbols);
fdrtab.isymBase = symoff;
symoff+=count;
fdrtab.csym=count;
fdrtab.ilineBase=0;
fdrtab.cline=0;
fdrtab.ioptBase=0;
fdrtab.copt=0;
fdrtab.ipdFirst=procoff;
procoff+=tempfileptr->proc_count;
fdrtab.cpd = tempfileptr->proc_count;
fdrtab.iauxBase = auxoff;
count=count_aux(tempfileptr->auxtabs);
auxoff+=count;
fdrtab.caux=count;
fdrtab.rfdBase=0;
fdrtab.crfd=0;
fdrtab.lang=langC; /* C ,see symconst.h */
fdrtab.fMerge=0; /* 1 for .h files I think */
fdrtab.fReadin=0;
fdrtab.fBigendian=BIGEND;
fdrtab.glevel= diagnose?GLEVEL_2:GLEVEL_0;
fdrtab.reserved=0; /* what else ! */
fdrtab.cbLineOffset=0; /* ??? */
fdrtab.cbLine=0; /* ??? */
fwrite(&fdrtab,sizeof(FDR),1,sym_tab_file);
}
/*appears to write the right stuff so is it the right place?? */
/* write external symbols */
while (extsymbols)
{
fwrite(extsymbols->symlist, sizeof(EXTR), extsymbols->noofsyms, sym_tab_file);
extsymbols=extsymbols->nextsyms;
}
/* write dense nos */
while (densenos)
{
fwrite(densenos->densenolist,sizeof(DNR),densenos->num,sym_tab_file);
densenos=densenos->moredensenos;
}
fclose(sym_tab_file);
return;
}