/* -----------------------------------------------------------------------------
- * $Id: Linker.c,v 1.70 2001/10/22 16:02:44 sewardj Exp $
+ * $Id: Linker.c,v 1.72 2001/10/26 11:33:13 sewardj Exp $
*
* (c) The GHC Team, 2000, 2001
*
Sym(_imp___iob) \
Sym(localtime) \
Sym(gmtime) \
- SymX(getenv) \
- SymX(free) \
- SymX(rename) \
Sym(opendir) \
Sym(readdir) \
Sym(closedir) \
- SymX(GetCurrentProcess) \
- SymX(GetProcessTimes) \
- SymX(CloseHandle) \
- SymX(GetExitCodeProcess) \
- SymX(WaitForSingleObject) \
- SymX(CreateProcessA) \
Sym(__divdi3) \
Sym(__udivdi3) \
Sym(__moddi3) \
- Sym(__umoddi3) \
- SymX(_errno)
+ Sym(__umoddi3)
#endif
OpenedDLL* o_dll;
void* sym;
for (o_dll = opened_dlls; o_dll != NULL; o_dll = o_dll->next) {
- /* fprintf(stderr, "look in %s for %s\n", o_dll->name, lbl); */
+ /* fprintf(stderr, "look in %s for %s\n", o_dll->name, lbl); */
if (lbl[0] == '_') {
/* HACK: if the name has an initial underscore, try stripping
it off & look that up first. I've yet to verify whether there's
stripped off when mapping from import lib name to the DLL name.
*/
sym = GetProcAddress(o_dll->instance, (lbl+1));
- if (sym != NULL) return sym;
+ if (sym != NULL) {
+ /*fprintf(stderr, "found %s in %s\n", lbl+1,o_dll->name); fflush(stderr);*/
+ return sym;
+ }
}
sym = GetProcAddress(o_dll->instance, lbl);
- if (sym != NULL) return sym;
+ if (sym != NULL) {
+ /*fprintf(stderr, "found %s in %s\n", lbl,o_dll->name); fflush(stderr);*/
+ return sym;
+ }
}
return NULL;
# else
/* -----------------------------------------------------------------------------
+ * Debugging aid: look in GHCi's object symbol tables for symbols
+ * within DELTA bytes of the specified address, and show their names.
+ */
+#ifdef DEBUG
+void ghci_enquire ( char* addr );
+
+void ghci_enquire ( char* addr )
+{
+ int i;
+ char* sym;
+ char* a;
+ const int DELTA = 64;
+ ObjectCode* oc;
+ for (oc = objects; oc; oc = oc->next) {
+ for (i = 0; i < oc->n_symbols; i++) {
+ sym = oc->symbols[i];
+ if (sym == NULL) continue;
+ /* fprintf(stderr, "enquire %p %p\n", sym, oc->lochash); */
+ a = NULL;
+ if (oc->lochash != NULL)
+ a = lookupStrHashTable(oc->lochash, sym);
+ if (a == NULL)
+ a = lookupStrHashTable(symhash, sym);
+ if (a == NULL) {
+ /* fprintf(stderr, "ghci_enquire: can't find %s\n", sym); */
+ }
+ else if (addr-DELTA <= a && a <= addr+DELTA) {
+ fprintf(stderr, "%p + %3d == `%s'\n", addr, a - addr, sym);
+ }
+ }
+ }
+}
+#endif
+
+
+/* -----------------------------------------------------------------------------
* Load an obj (populate the global symbol table, but don't resolve yet)
*
* Returns: 1 if ok, 0 on error.