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Merged
merged 5 commits into from
Jun 13, 2025
Merged

getHelperFtn support for getting CORINFO_METHOD_HANDLE #116603

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31448be
getHelperFtn support for getting CORINFO_METHOD_HANDLE
davidwrighton Jun 12, 2025
cc8b66b
JIT formatting
davidwrighton Jun 12, 2025
6c21cd2
Attempt to address build breaks
davidwrighton Jun 12, 2025
12ef1a5
Merge branch 'main' of github.com:dotnet/runtime into add_methodhandl…
davidwrighton Jun 12, 2025
a6513e3
Fix build break
davidwrighton Jun 12, 2025
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7 changes: 4 additions & 3 deletions src/coreclr/inc/corinfo.h
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Expand Up @@ -3100,10 +3100,11 @@ class ICorDynamicInfo : public ICorStaticInfo
void **ppIndirection = NULL
) = 0;

// return the native entry point to an EE helper (see CorInfoHelpFunc)
virtual void* getHelperFtn (
// return the native entry point and/or managed method of an EE helper (see CorInfoHelpFunc)
virtual void getHelperFtn (
CorInfoHelpFunc ftnNum,
void **ppIndirection = NULL
CORINFO_CONST_LOOKUP * pNativeEntrypoint,
CORINFO_METHOD_HANDLE * pMethodHandle = NULL /* OUT */
) = 0;

// return a callable address of the function (native code). This function
Expand Down
5 changes: 3 additions & 2 deletions src/coreclr/inc/icorjitinfoimpl_generated.h
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Expand Up @@ -535,9 +535,10 @@ uint32_t getThreadTLSIndex(
int32_t* getAddrOfCaptureThreadGlobal(
void** ppIndirection) override;

void* getHelperFtn(
void getHelperFtn(
CorInfoHelpFunc ftnNum,
void** ppIndirection) override;
CORINFO_CONST_LOOKUP* pNativeEntrypoint,
CORINFO_METHOD_HANDLE* pMethod) override;

void getFunctionEntryPoint(
CORINFO_METHOD_HANDLE ftn,
Expand Down
10 changes: 5 additions & 5 deletions src/coreclr/inc/jiteeversionguid.h
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Expand Up @@ -37,11 +37,11 @@

#include <minipal/guid.h>

constexpr GUID JITEEVersionIdentifier = { /* ecc9bc7e-9223-4af6-af2f-b63e89c09279 */
0xecc9bc7e,
0x9223,
0x4af6,
{0xaf, 0x2f, 0xb6, 0x3e, 0x89, 0xc0, 0x92, 0x79}
constexpr GUID JITEEVersionIdentifier = { /* 2004006b-bdff-4357-8e60-3ae950a4f165 */
0x2004006b,
0xbdff,
0x4357,
{0x8e, 0x60, 0x3a, 0xe9, 0x50, 0xa4, 0xf1, 0x65}
};

#endif // JIT_EE_VERSIONING_GUID_H
17 changes: 10 additions & 7 deletions src/coreclr/interpreter/compiler.cpp
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Expand Up @@ -2123,13 +2123,16 @@ int32_t InterpCompiler::GetMethodDataItemIndex(CORINFO_METHOD_HANDLE mHandle)
int32_t InterpCompiler::GetDataItemIndexForHelperFtn(CorInfoHelpFunc ftn)
{
// Interpreter-TODO: Find an existing data item index for this helper if possible and reuse it
void *indirect;
void *direct = m_compHnd->getHelperFtn(ftn, &indirect);
size_t data = !direct
? (size_t)indirect | INTERP_INDIRECT_HELPER_TAG
: (size_t)direct;
assert(data);
return GetDataItemIndex((void*)data);
CORINFO_CONST_LOOKUP ftnLookup;
m_compHnd->getHelperFtn(ftn, &ftnLookup);
void* addr = ftnLookup.addr;
if (ftnLookup.accessType == IAT_PVALUE)
{
addr = (void*)((size_t)addr | INTERP_INDIRECT_HELPER_TAG);
}
assert(ftnLookup.accessType == IAT_VALUE || ftnLookup.accessType == IAT_PVALUE);

return GetDataItemIndex(addr);
}

bool InterpCompiler::EmitCallIntrinsics(CORINFO_METHOD_HANDLE method, CORINFO_SIG_INFO sig)
Expand Down
8 changes: 4 additions & 4 deletions src/coreclr/jit/ICorJitInfo_wrapper_generated.hpp
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Expand Up @@ -1269,14 +1269,14 @@ int32_t* WrapICorJitInfo::getAddrOfCaptureThreadGlobal(
return temp;
}

void* WrapICorJitInfo::getHelperFtn(
void WrapICorJitInfo::getHelperFtn(
CorInfoHelpFunc ftnNum,
void** ppIndirection)
CORINFO_CONST_LOOKUP* pNativeEntrypoint,
CORINFO_METHOD_HANDLE* pMethod)
{
API_ENTER(getHelperFtn);
void* temp = wrapHnd->getHelperFtn(ftnNum, ppIndirection);
wrapHnd->getHelperFtn(ftnNum, pNativeEntrypoint, pMethod);
API_LEAVE(getHelperFtn);
return temp;
}

void WrapICorJitInfo::getFunctionEntryPoint(
Expand Down
11 changes: 10 additions & 1 deletion src/coreclr/jit/codegenarm.cpp
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Expand Up @@ -1616,7 +1616,16 @@ void CodeGen::genEmitHelperCall(unsigned helper, int argSize, emitAttr retSize,
else
#endif
{
addr = compiler->compGetHelperFtn((CorInfoHelpFunc)helper, (void**)&pAddr);
CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)helper);
if (helperFunction.accessType == IAT_VALUE)
{
addr = helperFunction.addr;
}
else
{
assert(helperFunction.accessType == IAT_PVALUE);
pAddr = (void**)helperFunction.addr;
}
}

EmitCallParams params;
Expand Down
18 changes: 13 additions & 5 deletions src/coreclr/jit/codegenarm64.cpp
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Expand Up @@ -5134,15 +5134,23 @@ bool CodeGen::IsSaveFpLrWithAllCalleeSavedRegisters() const

void CodeGen::genEmitHelperCall(unsigned helper, int argSize, emitAttr retSize, regNumber callTargetReg /*= REG_NA */)
{
void* pAddr = nullptr;

EmitCallParams params;
params.callType = EC_FUNC_TOKEN;
params.addr = compiler->compGetHelperFtn((CorInfoHelpFunc)helper, &pAddr);

CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)helper);
regMaskTP killSet = compiler->compHelperCallKillSet((CorInfoHelpFunc)helper);

if (params.addr == nullptr)
params.callType = EC_FUNC_TOKEN;

if (helperFunction.accessType == IAT_VALUE)
{
params.addr = (void*)helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;
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Copilot AI Jun 12, 2025

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The redundant declaration of 'pAddr' in the else branch is not used; consider removing it to simplify the code.

Suggested change
void* pAddr = helperFunction.addr;

Copilot uses AI. Check for mistakes.

// This is call to a runtime helper.
// adrp x, [reloc:rel page addr]
// add x, x, [reloc:page offset]
Expand Down
6 changes: 3 additions & 3 deletions src/coreclr/jit/codegenarmarch.cpp
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Expand Up @@ -3452,9 +3452,9 @@ void CodeGen::genCallInstruction(GenTreeCall* call)
CorInfoHelpFunc helperNum = compiler->eeGetHelperNum(params.methHnd);
noway_assert(helperNum != CORINFO_HELP_UNDEF);

void* pAddr = nullptr;
params.addr = compiler->compGetHelperFtn(helperNum, (void**)&pAddr);
assert(pAddr == nullptr);
CORINFO_CONST_LOOKUP helperLookup = compiler->compGetHelperFtn(helperNum);
params.addr = helperLookup.addr;
assert(helperLookup.accessType == IAT_VALUE);
}
else
{
Expand Down
3 changes: 1 addition & 2 deletions src/coreclr/jit/codegencommon.cpp
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Expand Up @@ -1764,10 +1764,9 @@ void CodeGen::genGenerateCode(void** codePtr, uint32_t* nativeSizeOfCode)
//
if (genWriteBarrierUsed && JitConfig.EnableExtraSuperPmiQueries() && !compiler->IsAot())
{
void* ignored;
for (int i = CORINFO_HELP_ASSIGN_REF; i <= CORINFO_HELP_BULK_WRITEBARRIER; i++)
{
compiler->compGetHelperFtn((CorInfoHelpFunc)i, &ignored);
compiler->compGetHelperFtn((CorInfoHelpFunc)i);
}
}
#endif
Expand Down
55 changes: 39 additions & 16 deletions src/coreclr/jit/codegenloongarch64.cpp
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Expand Up @@ -2688,11 +2688,18 @@ void CodeGen::genCodeForReturnTrap(GenTreeOp* tree)

EmitCallParams params;

void* pAddr = nullptr;
params.addr = compiler->compGetHelperFtn(CORINFO_HELP_STOP_FOR_GC, &pAddr);

if (params.addr == nullptr)
CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn(CORINFO_HELP_STOP_FOR_GC);
if (helperFunction.accessType == IAT_VALUE)
{
// If the helper is a value, we need to use the address of the helper.
params.addr = helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;

params.callType = EC_INDIR_R;
params.ireg = REG_DEFAULT_HELPER_CALL_TARGET;

Expand Down Expand Up @@ -3758,15 +3765,23 @@ int CodeGenInterface::genCallerSPtoInitialSPdelta() const

void CodeGen::genEmitHelperCall(unsigned helper, int argSize, emitAttr retSize, regNumber callTargetReg /*= REG_NA */)
{
void* pAddr = nullptr;

EmitCallParams params;
params.callType = EC_FUNC_TOKEN;
params.addr = compiler->compGetHelperFtn((CorInfoHelpFunc)helper, &pAddr);

CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)helper);
regMaskTP killSet = compiler->compHelperCallKillSet((CorInfoHelpFunc)helper);

if (params.addr == nullptr)
params.callType = EC_FUNC_TOKEN;

if (helperFunction.accessType == IAT_VALUE)
{
params.addr = (void*)helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;

// This is call to a runtime helper.
// li reg, pAddr #NOTE: this maybe multi-instructions.
// ld_d reg, reg
Expand Down Expand Up @@ -5793,9 +5808,9 @@ void CodeGen::genCallInstruction(GenTreeCall* call)
CorInfoHelpFunc helperNum = compiler->eeGetHelperNum(params.methHnd);
noway_assert(helperNum != CORINFO_HELP_UNDEF);

void* pAddr = nullptr;
params.addr = compiler->compGetHelperFtn(helperNum, (void**)&pAddr);
assert(pAddr == nullptr);
CORINFO_CONST_LOOKUP helperLookup = compiler->compGetHelperFtn(helperNum);
params.addr = helperLookup.addr;
assert(helperLookup.accessType == IAT_VALUE);
}
else
{
Expand Down Expand Up @@ -6483,10 +6498,8 @@ inline void CodeGen::genJumpToThrowHlpBlk_la(
// The code to throw the exception will be generated inline, and
// we will jump around it in the normal non-exception case.

void* pAddr = nullptr;
EmitCallParams params;
params.addr = compiler->compGetHelperFtn((CorInfoHelpFunc)(compiler->acdHelper(codeKind)), &pAddr);


// maybe optimize
// ins = (instruction)(ins^((ins != INS_beq)+(ins != INS_bne)));
if (ins == INS_blt)
Expand All @@ -6510,8 +6523,18 @@ inline void CodeGen::genJumpToThrowHlpBlk_la(
ins = ins == INS_beq ? INS_bne : INS_beq;
}

if (params.addr == nullptr)
CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)(compiler->acdHelper(codeKind)));
if (helperFunction.accessType == IAT_VALUE)
{
// If the helper is a value, we need to use the address of the helper.
params.addr = helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;

params.callType = EC_INDIR_R;
params.ireg = REG_DEFAULT_HELPER_CALL_TARGET;

Expand Down
50 changes: 35 additions & 15 deletions src/coreclr/jit/codegenriscv64.cpp
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Expand Up @@ -2712,11 +2712,15 @@ void CodeGen::genCodeForReturnTrap(GenTreeOp* tree)

EmitCallParams params;

void* pAddr = nullptr;
params.addr = compiler->compGetHelperFtn(CORINFO_HELP_STOP_FOR_GC, &pAddr);

if (params.addr == nullptr)
CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn(CORINFO_HELP_STOP_FOR_GC);
if (helperFunction.accessType == IAT_VALUE)
{
// If the helper is a value, we need to use the address of the helper.
params.addr = helperFunction.addr;
}
else
{
params.addr = nullptr;
params.callType = EC_INDIR_R;
params.ireg = REG_DEFAULT_HELPER_CALL_TARGET;

Expand Down Expand Up @@ -3614,15 +3618,23 @@ static void emitLoadConstAtAddr(emitter* emit, regNumber dstRegister, ssize_t im

void CodeGen::genEmitHelperCall(unsigned helper, int argSize, emitAttr retSize, regNumber callTargetReg /*= REG_NA */)
{
void* pAddr = nullptr;

EmitCallParams params;
params.callType = EC_FUNC_TOKEN;
params.addr = compiler->compGetHelperFtn((CorInfoHelpFunc)helper, &pAddr);

CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)helper);
regMaskTP killSet = compiler->compHelperCallKillSet((CorInfoHelpFunc)helper);

if (params.addr == nullptr)
params.callType = EC_FUNC_TOKEN;

if (helperFunction.accessType == IAT_VALUE)
{
params.addr = (void*)helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;

// This is call to a runtime helper.
// lui reg, pAddr #NOTE: this maybe multi-instructions.
// ld reg, reg
Expand Down Expand Up @@ -5872,9 +5884,9 @@ void CodeGen::genCallInstruction(GenTreeCall* call)
CorInfoHelpFunc helperNum = compiler->eeGetHelperNum(params.methHnd);
noway_assert(helperNum != CORINFO_HELP_UNDEF);

void* pAddr = nullptr;
params.addr = compiler->compGetHelperFtn(helperNum, (void**)&pAddr);
assert(pAddr == nullptr);
CORINFO_CONST_LOOKUP helperLookup = compiler->compGetHelperFtn(helperNum);
params.addr = helperLookup.addr;
assert(helperLookup.accessType == IAT_VALUE);
}
else
{
Expand Down Expand Up @@ -6495,9 +6507,7 @@ void CodeGen::genJumpToThrowHlpBlk_la(
// The code to throw the exception will be generated inline, and
// we will jump around it in the normal non-exception case.

void* pAddr = nullptr;
EmitCallParams params;
params.addr = compiler->compGetHelperFtn((CorInfoHelpFunc)(compiler->acdHelper(codeKind)), &pAddr);

// maybe optimize
// ins = (instruction)(ins^((ins != INS_beq)+(ins != INS_bne)));
Expand All @@ -6522,8 +6532,18 @@ void CodeGen::genJumpToThrowHlpBlk_la(
ins = ins == INS_beq ? INS_bne : INS_beq;
}

if (params.addr == nullptr)
CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)(compiler->acdHelper(codeKind)));
if (helperFunction.accessType == IAT_VALUE)
{
// If the helper is a value, we need to use the address of the helper.
params.addr = helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;
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Copilot AI Jun 12, 2025

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The variable 'pAddr' is declared in the else block but never used. Removing this redundant declaration would improve code clarity.

Copilot uses AI. Check for mistakes.

params.callType = EC_INDIR_R;
params.ireg = REG_DEFAULT_HELPER_CALL_TARGET;
if (compiler->opts.compReloc)
Expand Down
20 changes: 13 additions & 7 deletions src/coreclr/jit/codegenxarch.cpp
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Expand Up @@ -6504,9 +6504,9 @@ void CodeGen::genCallInstruction(GenTreeCall* call X86_ARG(target_ssize_t stackA
CorInfoHelpFunc helperNum = compiler->eeGetHelperNum(params.methHnd);
noway_assert(helperNum != CORINFO_HELP_UNDEF);

void* pAddr = nullptr;
addr = compiler->compGetHelperFtn(helperNum, (void**)&pAddr);
assert(pAddr == nullptr);
CORINFO_CONST_LOOKUP helperLookup = compiler->compGetHelperFtn(helperNum);
addr = helperLookup.addr;
assert(helperLookup.accessType == IAT_VALUE);
}
else
{
Expand Down Expand Up @@ -8832,15 +8832,21 @@ void CodeGen::genCreateAndStoreGCInfoX64(unsigned codeSize, unsigned prologSize

void CodeGen::genEmitHelperCall(unsigned helper, int argSize, emitAttr retSize, regNumber callTargetReg)
{
void* pAddr = nullptr;

EmitCallParams params;
params.callType = EC_FUNC_TOKEN;
params.addr = compiler->compGetHelperFtn((CorInfoHelpFunc)helper, &pAddr);

CORINFO_CONST_LOOKUP helperFunction = compiler->compGetHelperFtn((CorInfoHelpFunc)helper);
regMaskTP killMask = compiler->compHelperCallKillSet((CorInfoHelpFunc)helper);

if (params.addr == nullptr)
if (helperFunction.accessType == IAT_VALUE)
{
params.addr = (void*)helperFunction.addr;
}
else
{
params.addr = nullptr;
assert(helperFunction.accessType == IAT_PVALUE);
void* pAddr = helperFunction.addr;
assert(pAddr != nullptr);

// Absolute indirect call addr
Expand Down
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