mirror of
https://github.com/rn10950/RetroZilla.git
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131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Kipp E.B. Hickman.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "leaky.h"
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#ifdef USE_COFF
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#define LANGUAGE_C
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#include <sym.h>
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#include <cmplrs/stsupport.h>
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#include <symconst.h>
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#include <filehdr.h>
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#include <ldfcn.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef IRIX4
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extern "C" {
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extern char *demangle(char const* in);
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};
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#else
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#include <dem.h>
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#endif
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static char *Demangle(char *rawName)
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{
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#ifdef IRIX4
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return strdup(demangle(rawName));
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#else
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char namebuf[4000];
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demangle(rawName, namebuf);
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return strdup(namebuf);
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#endif
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}
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void leaky::readSymbols(const char *fileName)
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{
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LDFILE *ldptr;
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ldptr = ldopen(fileName, NULL);
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if (!ldptr) {
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fprintf(stderr, "%s: unable to open \"%s\"\n", applicationName,
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fileName);
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exit(-1);
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}
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if (PSYMTAB(ldptr) == 0) {
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fprintf(stderr, "%s: \"%s\": has no symbol table\n", applicationName,
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fileName);
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exit(-1);
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}
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long isymMax = SYMHEADER(ldptr).isymMax;
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long iextMax = SYMHEADER(ldptr).iextMax;
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long iMax = isymMax + iextMax;
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long alloced = 10000;
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Symbol* syms = (Symbol*) malloc(sizeof(Symbol) * 10000);
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Symbol* sp = syms;
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Symbol* last = syms + alloced;
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SYMR symr;
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for (long isym = 0; isym < iMax; isym++) {
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if (ldtbread(ldptr, isym, &symr) != SUCCESS) {
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fprintf(stderr, "%s: can't read symbol #%d\n", applicationName,
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isym);
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exit(-1);
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}
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if (isym < isymMax) {
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if ((symr.st == stStaticProc)
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|| ((symr.st == stProc) &&
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((symr.sc == scText) || (symr.sc == scAbs)))
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|| ((symr.st == stBlock) &&
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(symr.sc == scText))) {
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// Text symbol. Set name field to point to the symbol name
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sp->name = Demangle(ldgetname(ldptr, &symr));
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sp->address = symr.value;
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sp++;
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if (sp >= last) {
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long n = alloced + 10000;
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syms = (Symbol*)
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realloc(syms, (size_t) (sizeof(Symbol) * n));
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last = syms + n;
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sp = syms + alloced;
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alloced = n;
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}
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}
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}
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}
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int interesting = sp - syms;
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if (!quiet) {
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printf("Total of %d symbols\n", interesting);
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}
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usefulSymbols = interesting;
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externalSymbols = syms;
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}
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#endif /* USE_COFF */
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