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Make the __morestack function available to the JIT memory manager under Linux.

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This function's implementation lives in libgcc, a static library, so we need
to expose it explicitly, like the other such functions.

Differential Revision: http://reviews.llvm.org/D6788

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224993 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2014-12-30 18:06:52 +00:00
parent aa4172e1d8
commit 8919b82605
1 changed files with 7 additions and 0 deletions
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7
lib/ExecutionEngine/RTDyldMemoryManager.cpp
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@ -210,6 +210,10 @@ ARM_MATH_IMPORTS(ARM_MATH_DECL)
#undef ARM_MATH_DECL
#endif
#if defined(__linux__) && defined(__GLIBC__)
extern "C" void __morestack();
#endif
uint64_t
RTDyldMemoryManager::getSymbolAddressInProcess(const std::string &Name) {
// This implementation assumes that the host program is the target.
@ -233,6 +237,9 @@ RTDyldMemoryManager::getSymbolAddressInProcess(const std::string &Name) {
if (Name == "lstat64") return (uint64_t)&lstat64;
if (Name == "atexit") return (uint64_t)&atexit;
if (Name == "mknod") return (uint64_t)&mknod;
// __morestack lives in libgcc, a static library.
if (Name == "__morestack") return (uint64_t)&__morestack;
#endif // __linux__ && __GLIBC__
// See ARM_MATH_IMPORTS definition for explanation