1//===--- loongarch.cpp - Generic JITLink loongarch edge kinds, utilities --===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Generic utilities for graphs representing loongarch objects.
10//
11//===----------------------------------------------------------------------===//
12
13#include "llvm/ExecutionEngine/JITLink/loongarch.h"
14
15#define DEBUG_TYPE "jitlink"
16
17namespace llvm {
18namespace jitlink {
19namespace loongarch {
20
21const char NullPointerContent[8] = {0x00, 0x00, 0x00, 0x00,
22 0x00, 0x00, 0x00, 0x00};
23
24const uint8_t LA64StubContent[StubEntrySize] = {
25 0x14, 0x00, 0x00, 0x1a, // pcalau12i $t8, %page20(imm)
26 0x94, 0x02, 0xc0, 0x28, // ld.d $t8, $t8, %pageoff12(imm)
27 0x80, 0x02, 0x00, 0x4c // jr $t8
28};
29
30const uint8_t LA32StubContent[StubEntrySize] = {
31 0x14, 0x00, 0x00, 0x1a, // pcalau12i $t8, %page20(imm)
32 0x94, 0x02, 0x80, 0x28, // ld.w $t8, $t8, %pageoff12(imm)
33 0x80, 0x02, 0x00, 0x4c // jr $t8
34};
35
36const char *getEdgeKindName(Edge::Kind K) {
37#define KIND_NAME_CASE(K) \
38 case K: \
39 return #K;
40
41 switch (K) {
42 KIND_NAME_CASE(Pointer64)
43 KIND_NAME_CASE(Pointer32)
44 KIND_NAME_CASE(Delta32)
45 KIND_NAME_CASE(NegDelta32)
46 KIND_NAME_CASE(Delta64)
47 KIND_NAME_CASE(Branch16PCRel)
48 KIND_NAME_CASE(Branch21PCRel)
49 KIND_NAME_CASE(Branch26PCRel)
50 KIND_NAME_CASE(Page20)
51 KIND_NAME_CASE(PageOffset12)
52 KIND_NAME_CASE(RequestGOTAndTransformToPage20)
53 KIND_NAME_CASE(RequestGOTAndTransformToPageOffset12)
54 KIND_NAME_CASE(Call36PCRel)
55 KIND_NAME_CASE(Add6)
56 KIND_NAME_CASE(Add8)
57 KIND_NAME_CASE(Add16)
58 KIND_NAME_CASE(Add32)
59 KIND_NAME_CASE(Add64)
60 KIND_NAME_CASE(AddUleb128)
61 KIND_NAME_CASE(Sub6)
62 KIND_NAME_CASE(Sub8)
63 KIND_NAME_CASE(Sub16)
64 KIND_NAME_CASE(Sub32)
65 KIND_NAME_CASE(Sub64)
66 KIND_NAME_CASE(SubUleb128)
67 KIND_NAME_CASE(AlignRelaxable)
68 default:
69 return getGenericEdgeKindName(K);
70 }
71#undef KIND_NAME_CASE
72}
73
74} // namespace loongarch
75} // namespace jitlink
76} // namespace llvm
77