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[LoongArch64] Place async resumption info in read-write section which reference #123433 #124213

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[LoongArch64] Place async resumption info in read-write section which reference #123433 #124213

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10 changes: 8 additions & 2 deletions src/coreclr/jit/codegenloongarch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2279,7 +2279,7 @@ void CodeGen::genJumpTable(GenTree* treeNode)
// Access to inline data is 'abstracted' by a special type of static member
// (produced by eeFindJitDataOffs) which the emitter recognizes as being a reference
// to constant data, not a real static field.
GetEmitter()->emitIns_R_C(INS_bl, emitActualTypeSize(TYP_I_IMPL), treeNode->GetRegNum(), REG_NA,
GetEmitter()->emitIns_R_C(INS_bl, EA_PTRSIZE, treeNode->GetRegNum(), REG_NA,
m_compiler->eeFindJitDataOffs(jmpTabBase), 0);
genProduceReg(treeNode);
}
Expand All @@ -2292,7 +2292,13 @@ void CodeGen::genJumpTable(GenTree* treeNode)
//
void CodeGen::genAsyncResumeInfo(GenTreeVal* treeNode)
{
GetEmitter()->emitIns_R_C(INS_bl, emitActualTypeSize(TYP_I_IMPL), treeNode->GetRegNum(), REG_NA,
emitAttr attr = EA_PTRSIZE;
if (m_compiler->eeDataWithCodePointersNeedsRelocs())
{
attr = EA_SET_FLG(EA_PTRSIZE, EA_CNS_RELOC_FLG);
}

GetEmitter()->emitIns_R_C(INS_bl, attr, treeNode->GetRegNum(), REG_NA,
genEmitAsyncResumeInfo((unsigned)treeNode->gtVal1), 0);
genProduceReg(treeNode);
}
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9 changes: 5 additions & 4 deletions src/coreclr/jit/emitloongarch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1972,8 +1972,8 @@ void emitter::emitIns_R_R_R_R(
/*****************************************************************************
*
* Add an instruction with a register + static member operands.
* Constant is stored into JIT data which is adjacent to code.
* For LOONGARCH64, maybe not the best, here just supports the func-interface.
* Usually constants are stored into JIT data adjacent to code, in which case no
* relocation is needed. PC-relative offset will be encoded directly into instruction.
*
*/
void emitter::emitIns_R_C(
Expand All @@ -2000,14 +2000,16 @@ void emitter::emitIns_R_C(
// load reg, r21 + addr_bits[11:0]

instrDesc* id = emitNewInstr(attr);
id->idSetRelocFlags(attr);

id->idIns(ins);
assert(reg != REG_R0); // for special. reg Must not be R0.
id->idReg1(reg); // destination register that will get the constant value.

id->idSmallCns(offs); // usually is 0.
id->idInsOpt(INS_OPTS_RC);
if (m_compiler->opts.compReloc)

if (m_compiler->opts.compReloc || id->idIsReloc())
{
id->idSetIsDspReloc();
id->idCodeSize(8);
Expand All @@ -2030,7 +2032,6 @@ void emitter::emitIns_R_C(
id->idOpSize(EA_PTRSIZE);
}

// TODO-LoongArch64: this maybe deleted.
id->idSetIsBound(); // We won't patch address since we will know the exact distance
// once JIT code and data are allocated together.

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