100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "leaky.h"
|
|
|
|
#ifdef USE_COFF
|
|
|
|
#define LANGUAGE_C
|
|
#include <sym.h>
|
|
#include <cmplrs/stsupport.h>
|
|
#include <symconst.h>
|
|
#include <filehdr.h>
|
|
#include <ldfcn.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#ifdef IRIX4
|
|
extern "C" {
|
|
extern char *demangle(char const* in);
|
|
};
|
|
#else
|
|
#include <dem.h>
|
|
#endif
|
|
|
|
static char *Demangle(char *rawName)
|
|
{
|
|
#ifdef IRIX4
|
|
return strdup(demangle(rawName));
|
|
#else
|
|
char namebuf[4000];
|
|
demangle(rawName, namebuf);
|
|
return strdup(namebuf);
|
|
#endif
|
|
}
|
|
|
|
void leaky::readSymbols(const char *fileName)
|
|
{
|
|
LDFILE *ldptr;
|
|
|
|
ldptr = ldopen(fileName, nullptr);
|
|
if (!ldptr) {
|
|
fprintf(stderr, "%s: unable to open \"%s\"\n", applicationName,
|
|
fileName);
|
|
exit(-1);
|
|
}
|
|
if (PSYMTAB(ldptr) == 0) {
|
|
fprintf(stderr, "%s: \"%s\": has no symbol table\n", applicationName,
|
|
fileName);
|
|
exit(-1);
|
|
}
|
|
|
|
long isymMax = SYMHEADER(ldptr).isymMax;
|
|
long iextMax = SYMHEADER(ldptr).iextMax;
|
|
long iMax = isymMax + iextMax;
|
|
|
|
long alloced = 10000;
|
|
Symbol* syms = (Symbol*) malloc(sizeof(Symbol) * 10000);
|
|
Symbol* sp = syms;
|
|
Symbol* last = syms + alloced;
|
|
SYMR symr;
|
|
|
|
for (long isym = 0; isym < iMax; isym++) {
|
|
if (ldtbread(ldptr, isym, &symr) != SUCCESS) {
|
|
fprintf(stderr, "%s: can't read symbol #%d\n", applicationName,
|
|
isym);
|
|
exit(-1);
|
|
}
|
|
if (isym < isymMax) {
|
|
if ((symr.st == stStaticProc)
|
|
|| ((symr.st == stProc) &&
|
|
((symr.sc == scText) || (symr.sc == scAbs)))
|
|
|| ((symr.st == stBlock) &&
|
|
(symr.sc == scText))) {
|
|
// Text symbol. Set name field to point to the symbol name
|
|
sp->name = Demangle(ldgetname(ldptr, &symr));
|
|
sp->address = symr.value;
|
|
sp++;
|
|
if (sp >= last) {
|
|
long n = alloced + 10000;
|
|
syms = (Symbol*)
|
|
realloc(syms, (size_t) (sizeof(Symbol) * n));
|
|
last = syms + n;
|
|
sp = syms + alloced;
|
|
alloced = n;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int interesting = sp - syms;
|
|
if (!quiet) {
|
|
printf("Total of %d symbols\n", interesting);
|
|
}
|
|
usefulSymbols = interesting;
|
|
externalSymbols = syms;
|
|
}
|
|
|
|
#endif /* USE_COFF */
|