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Code Issues Releases Wiki Activity

__chkstk workaround

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This commit is contained in:
Nekotekina 2017-03-11 19:49:32 +03:00
parent 4739eb3601
commit 1f17109203
1 changed files with 16 additions and 8 deletions
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24
Utilities/JIT.cpp
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@ -88,13 +88,6 @@ struct MemoryManager final : llvm::RTDyldMemoryManager
virtual u64 getSymbolAddress(const std::string& name) override
{
if (u64 addr = RTDyldMemoryManager::getSymbolAddress(name))
{
// This may be bad if LLVM requests some built-in functions like fma.
LOG_ERROR(GENERAL, "LLVM: Symbol requested %s -> 0x%016llx", name, addr);
return addr;
}
const auto found = m_link.find(name);
if (found != m_link.end())
@ -102,8 +95,15 @@ struct MemoryManager final : llvm::RTDyldMemoryManager
return found->second;
}
if (u64 addr = RTDyldMemoryManager::getSymbolAddress(name))
{
// This may be bad if LLVM requests some built-in functions like fma.
LOG_ERROR(GENERAL, "LLVM: Symbol requested: %s -> 0x%016llx", name, addr);
return addr;
}
// It's fine if some function is never called, for example.
LOG_ERROR(GENERAL, "LLVM: Linkage failed for %s", name);
LOG_ERROR(GENERAL, "LLVM: Symbol not found: %s", name);
return (u64)null;
}
@ -242,9 +242,17 @@ struct EventListener final : llvm::JITEventListener
static EventListener s_listener;
static void dummy()
{
}
jit_compiler::jit_compiler(std::unordered_map<std::string, std::uintptr_t> init_linkage_info)
: m_link(std::move(init_linkage_info))
{
#ifdef _MSC_VER
m_link.emplace("__chkstk", (u64)&dummy);
#endif
verify(HERE), s_memory;
// Initialization