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
17 namespace llvm {
18 namespace jitlink {
19 namespace loongarch {
20
21 const char NullPointerContent[8] = {0x00, 0x00, 0x00, 0x00,
22 0x00, 0x00, 0x00, 0x00};
23
24 const 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
30 const 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
getEdgeKindName(Edge::Kind K)36 const 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(Branch26PCRel)
48 KIND_NAME_CASE(Page20)
49 KIND_NAME_CASE(PageOffset12)
50 KIND_NAME_CASE(RequestGOTAndTransformToPage20)
51 KIND_NAME_CASE(RequestGOTAndTransformToPageOffset12)
52 default:
53 return getGenericEdgeKindName(K);
54 }
55 #undef KIND_NAME_CASE
56 }
57
58 } // namespace loongarch
59 } // namespace jitlink
60 } // namespace llvm
61