Allow LLI, in interpreter mode, to find stdin, stdout, and stderr. This is
a bit of a hack but it lets some of the llvm-test programs run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33058 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/DynamicLibrary.cpp b/lib/System/DynamicLibrary.cpp
index 0876d5d..f0ab51b 100644
--- a/lib/System/DynamicLibrary.cpp
+++ b/lib/System/DynamicLibrary.cpp
@@ -141,10 +141,11 @@
// important symbols are marked 'private external' which doesn't allow
// SearchForAddressOfSymbol to find them. As such, we special case them here,
// there is only a small handful of them.
+
#ifdef __APPLE__
- {
#define EXPLICIT_SYMBOL(SYM) \
extern void *SYM; if (!strcmp(symbolName, #SYM)) return &SYM
+ {
EXPLICIT_SYMBOL(__ashldi3);
EXPLICIT_SYMBOL(__ashrdi3);
EXPLICIT_SYMBOL(__cmpdi2);
@@ -160,9 +161,18 @@
EXPLICIT_SYMBOL(__moddi3);
EXPLICIT_SYMBOL(__udivdi3);
EXPLICIT_SYMBOL(__umoddi3);
-#undef EXPLICIT_SYMBOL
}
+#undef EXPLICIT_SYMBOL
#endif
+#define EXPLICIT_SYMBOL(SYM) \
+ if (!strcmp(symbolName, #SYM)) return &SYM
+ // Try a few well known symbols just to give lli a shot at working.
+ {
+ EXPLICIT_SYMBOL(stdin);
+ EXPLICIT_SYMBOL(stdout);
+ EXPLICIT_SYMBOL(stderr);
+ }
+#undef EXPLICIT_SYMBOL
return 0;
}