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[C API] Expose LLVMGetGlobalValueAddress and LLVMGetFunctionAddress.

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Patch by Ramkumar Ramachandra <artagnon@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224720 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Zotov 2014-12-22 18:53:11 +00:00
parent 7b88565334
commit 7bfc61dfe3
3 changed files with 50 additions and 0 deletions
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4
include/llvm-c/ExecutionEngine.h
View File

@ -170,6 +170,10 @@ void LLVMAddGlobalMapping(LLVMExecutionEngineRef EE, LLVMValueRef Global,
void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global);
uint64_t LLVMGetGlobalValueAddress(LLVMExecutionEngineRef EE, const char *Name);
uint64_t LLVMGetFunctionAddress(LLVMExecutionEngineRef EE, const char *Name);
/*===-- Operations on memory managers -------------------------------------===*/
typedef uint8_t *(*LLVMMemoryManagerAllocateCodeSectionCallback)(

8
lib/ExecutionEngine/ExecutionEngineBindings.cpp
View File

@ -328,6 +328,14 @@ void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global) {
return unwrap(EE)->getPointerToGlobal(unwrap<GlobalValue>(Global));
}
uint64_t LLVMGetGlobalValueAddress(LLVMExecutionEngineRef EE, const char *Name) {
return unwrap(EE)->getGlobalValueAddress(Name);
}
uint64_t LLVMGetFunctionAddress(LLVMExecutionEngineRef EE, const char *Name) {
return unwrap(EE)->getFunctionAddress(Name);
}
/*===-- Operations on memory managers -------------------------------------===*/
namespace {

38
unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
View File

@ -347,6 +347,44 @@ TEST_F(MCJITCAPITest, simple_function) {
EXPECT_EQ(42, functionPointer.usable());
}
TEST_F(MCJITCAPITest, gva) {
SKIP_UNSUPPORTED_PLATFORM;
Module = LLVMModuleCreateWithName("simple_module");
LLVMSetTarget(Module, HostTriple.c_str());
LLVMValueRef GlobalVar = LLVMAddGlobal(Module, LLVMInt32Type(), "simple_value");
LLVMSetInitializer(GlobalVar, LLVMConstInt(LLVMInt32Type(), 42, 0));
buildMCJITOptions();
buildMCJITEngine();
buildAndRunPasses();
union {
uint64_t raw;
int32_t *usable;
} valuePointer;
valuePointer.raw = LLVMGetGlobalValueAddress(Engine, "simple_value");
EXPECT_EQ(42, *valuePointer.usable);
}
TEST_F(MCJITCAPITest, gfa) {
SKIP_UNSUPPORTED_PLATFORM;
buildSimpleFunction();
buildMCJITOptions();
buildMCJITEngine();
buildAndRunPasses();
union {
uint64_t raw;
int (*usable)();
} functionPointer;
functionPointer.raw = LLVMGetFunctionAddress(Engine, "simple_function");
EXPECT_EQ(42, functionPointer.usable());
}
TEST_F(MCJITCAPITest, custom_memory_manager) {
SKIP_UNSUPPORTED_PLATFORM;