зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
2.6 KiB
C++
101 строка
2.6 KiB
C++
// The contents of this file are subject to the Mozilla Public License
|
|
// Version 1.0 (the "License"); you may not use this file except in
|
|
// compliance with the License. You may obtain a copy of the License
|
|
// at http://www.mozilla.org/MPL/
|
|
//
|
|
// Software distributed under the License is distributed on an "AS IS"
|
|
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
|
|
// the License for the specific language governing rights and
|
|
// limitations under the License.
|
|
//
|
|
// The Initial Developer of the Original Code is Kipp E.B. Hickman.
|
|
|
|
#include "leaky.h"
|
|
|
|
#ifdef USE_BFD
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <bfd.h>
|
|
|
|
extern "C" {
|
|
char *cplus_demangle (const char *mangled, int options);
|
|
}
|
|
|
|
void leaky::ReadSymbols(const char *aFileName, u_long aBaseAddress)
|
|
{
|
|
static bfd_boolean kDynamic = (bfd_boolean) false;
|
|
|
|
static int firstTime = 1;
|
|
if (firstTime) {
|
|
firstTime = 0;
|
|
bfd_init ();
|
|
}
|
|
|
|
bfd* bfd = bfd_openr(aFileName, NULL);
|
|
if (NULL == bfd) {
|
|
return;
|
|
}
|
|
char **matching;
|
|
if (!bfd_check_format_matches(bfd, bfd_object, &matching)) {
|
|
bfd_close(bfd);
|
|
return;
|
|
}
|
|
|
|
asymbol* store;
|
|
store = bfd_make_empty_symbol(bfd);
|
|
|
|
// read mini symbols
|
|
PTR minisyms;
|
|
unsigned int size;
|
|
long symcount = bfd_read_minisymbols(bfd, kDynamic, &minisyms, &size);
|
|
|
|
int initialSymbols = usefulSymbols;
|
|
if (NULL == externalSymbols) {
|
|
externalSymbols = (Symbol*) malloc(sizeof(Symbol) * 10000);
|
|
numExternalSymbols = 10000;
|
|
}
|
|
Symbol* sp = externalSymbols + usefulSymbols;
|
|
Symbol* last = externalSymbols + numExternalSymbols;
|
|
|
|
// Scan symbols
|
|
bfd_byte* from = (bfd_byte *) minisyms;
|
|
bfd_byte* fromend = from + symcount * size;
|
|
for (; from < fromend; from += size) {
|
|
asymbol *sym;
|
|
sym = bfd_minisymbol_to_symbol(bfd, kDynamic, (const PTR) from, store);
|
|
|
|
symbol_info syminfo;
|
|
bfd_get_symbol_info (bfd, sym, &syminfo);
|
|
|
|
// if ((syminfo.type == 'T') || (syminfo.type == 't')) {
|
|
const char* nm = bfd_asymbol_name(sym);
|
|
if (nm) {
|
|
char* dnm = cplus_demangle(nm, 1);
|
|
sp->name = dnm ? dnm : strdup(nm);
|
|
sp->address = syminfo.value + aBaseAddress;
|
|
sp++;
|
|
if (sp >= last) {
|
|
long n = numExternalSymbols + 10000;
|
|
externalSymbols = (Symbol*)
|
|
realloc(externalSymbols, (size_t) (sizeof(Symbol) * n));
|
|
last = externalSymbols + n;
|
|
sp = externalSymbols + numExternalSymbols;
|
|
numExternalSymbols = n;
|
|
}
|
|
}
|
|
// }
|
|
}
|
|
|
|
|
|
bfd_close(bfd);
|
|
|
|
int interesting = sp - externalSymbols;
|
|
if (!quiet) {
|
|
printf("%s provided %d symbols\n", aFileName,
|
|
interesting - initialSymbols);
|
|
}
|
|
usefulSymbols = interesting;
|
|
}
|
|
|
|
#endif /* USE_BFD */
|