Author: asl
Date: Sun Dec 2 23:30:41 2007
New Revision: 44528
URL: http://llvm.org/viewvc/llvm-project?rev=44528&view=rev
Log:
Provide hook for _alloca to make JITing on Cygwin slightly happier :)
Modified:
llvm/trunk/lib/System/DynamicLibrary.cpp
Modified: llvm/trunk/lib/System/DynamicLibrary.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/System/DynamicLibrary.cpp?rev=44528&r1=44527&r2=44528&view=diff
==============================================================================
--- llvm/trunk/lib/System/DynamicLibrary.cpp (original)
+++ llvm/trunk/lib/System/DynamicLibrary.cpp Sun Dec 2 23:30:41 2007
@@ -138,14 +138,15 @@
return ptr;
}
+#define EXPLICIT_SYMBOL(SYM) \
+ extern void *SYM; if (!strcmp(symbolName, #SYM)) return &SYM
+
// If this is darwin, it has some funky issues, try to solve them here. Some
// 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);
@@ -163,9 +164,16 @@
EXPLICIT_SYMBOL(__udivdi3);
EXPLICIT_SYMBOL(__umoddi3);
}
-#undef EXPLICIT_SYMBOL
#endif
+#ifdef __CYGWIN__
+ {
+ EXPLICIT_SYMBOL(_alloca);
+ }
+#endif
+
+#undef EXPLICIT_SYMBOL
+
// This macro returns the address of a well-known, explicit symbol
#define EXPLICIT_SYMBOL(SYM) \
if (!strcmp(symbolName, #SYM)) return &SYM
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