f10d452db8
This implementation supports basic relocation types and adds EHFrame, Got/Plt handling passes. This patch also enables JIT support for LoongArch64. With this patch, I successfully run hello.ll and simple_throw.ll (which is generated from test-suite/SingleSource/Regression/C++/EH/simple_throw.cpp) using the `lli` command with options `--jit-kind=orc --jit-linker=jitlink`. Note: `hasJIT` property of LoongArch32 remains false as there is no validation environment. New changes: Since LoongArch does not support RuntimeDyld, JITLink is set by default. Add a null-terminator to eh-frame sections. This should fix the test failure on LoongArch bot. (https://lab.llvm.org/staging/#/builders/236/builds/896) Reviewed By: lhames Differential Revision: https://reviews.llvm.org/D141036
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
//===--- loongarch.cpp - Generic JITLink loongarch edge kinds, utilities --===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Generic utilities for graphs representing loongarch objects.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/JITLink/loongarch.h"
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#define DEBUG_TYPE "jitlink"
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namespace llvm {
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namespace jitlink {
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namespace loongarch {
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const char NullPointerContent[8] = {0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00};
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const uint8_t LA64StubContent[StubEntrySize] = {
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0x14, 0x00, 0x00, 0x1a, // pcalau12i $t8, %page20(imm)
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0x94, 0x02, 0xc0, 0x28, // ld.d $t8, $t8, %pageoff12(imm)
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0x80, 0x02, 0x00, 0x4c // jr $t8
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};
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const uint8_t LA32StubContent[StubEntrySize] = {
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0x14, 0x00, 0x00, 0x1a, // pcalau12i $t8, %page20(imm)
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0x94, 0x02, 0x80, 0x28, // ld.w $t8, $t8, %pageoff12(imm)
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0x80, 0x02, 0x00, 0x4c // jr $t8
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};
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const char *getEdgeKindName(Edge::Kind K) {
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#define KIND_NAME_CASE(K) \
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case K: \
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return #K;
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switch (K) {
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KIND_NAME_CASE(Pointer64)
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KIND_NAME_CASE(Pointer32)
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KIND_NAME_CASE(Delta32)
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KIND_NAME_CASE(NegDelta32)
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KIND_NAME_CASE(Delta64)
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KIND_NAME_CASE(Branch26PCRel)
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KIND_NAME_CASE(Page20)
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KIND_NAME_CASE(PageOffset12)
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KIND_NAME_CASE(RequestGOTAndTransformToPage20)
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KIND_NAME_CASE(RequestGOTAndTransformToPageOffset12)
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default:
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return getGenericEdgeKindName(K);
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}
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#undef KIND_NAME_CASE
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}
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} // namespace loongarch
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} // namespace jitlink
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} // namespace llvm
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