1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
//===--------- ExecutorAddrTest.cpp - Unit tests for ExecutorAddr ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/Shared/ExecutorAddress.h"
#include "OrcTestCommon.h"
#include "llvm/ExecutionEngine/Orc/Shared/ExecutorSymbolDef.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
TEST(ExecutorAddrTest, DefaultAndNull) {
// Check that default constructed values and isNull behave as expected.
ExecutorAddr Default;
ExecutorAddr Null(0);
ExecutorAddr NonNull(1);
EXPECT_TRUE(Null.isNull());
EXPECT_EQ(Default, Null);
EXPECT_FALSE(NonNull.isNull());
EXPECT_NE(Default, NonNull);
}
TEST(ExecutorAddrTest, Ordering) {
// Check that ordering operations.
ExecutorAddr A1(1), A2(2);
EXPECT_LE(A1, A1);
EXPECT_LT(A1, A2);
EXPECT_GT(A2, A1);
EXPECT_GE(A2, A2);
}
TEST(ExecutorAddrTest, PtrConversion) {
// Test toPtr / fromPtr round-tripping.
int X = 0;
auto XAddr = ExecutorAddr::fromPtr(&X);
int *XPtr = XAddr.toPtr<int *>();
EXPECT_EQ(XPtr, &X);
}
static void F() {}
TEST(ExecutorAddrTest, PtrConversionWithFunctionType) {
// Test that function types (as opposed to function pointer types) can be
// used with toPtr.
auto FAddr = ExecutorAddr::fromPtr(F);
void (*FPtr)() = FAddr.toPtr<void()>();
EXPECT_EQ(FPtr, &F);
}
TEST(ExecutorAddrTest, WrappingAndUnwrapping) {
constexpr uintptr_t RawAddr = 0x123456;
int *RawPtr = (int *)RawAddr;
constexpr uintptr_t TagOffset = 8 * (sizeof(uintptr_t) - 1);
uintptr_t TagVal = 0xA5;
uintptr_t TagBits = TagVal << TagOffset;
void *TaggedPtr = (void *)((uintptr_t)RawPtr | TagBits);
ExecutorAddr EA =
ExecutorAddr::fromPtr(TaggedPtr, ExecutorAddr::Untag(8, TagOffset));
EXPECT_EQ(EA.getValue(), RawAddr);
void *ReconstitutedTaggedPtr =
EA.toPtr<void *>(ExecutorAddr::Tag(TagVal, TagOffset));
EXPECT_EQ(TaggedPtr, ReconstitutedTaggedPtr);
}
TEST(ExecutorAddrTest, AddrRanges) {
ExecutorAddr A0(0), A1(1), A2(2), A3(3);
ExecutorAddrRange R0(A0, A1), R1(A1, A2), R2(A2, A3), R3(A0, A2), R4(A1, A3);
// 012
// R0: # -- Before R1
// R1: # --
// R2: # -- After R1
// R3: ## -- Overlaps R1 start
// R4: ## -- Overlaps R1 end
EXPECT_EQ(R1, ExecutorAddrRange(A1, A2));
EXPECT_EQ(R1, ExecutorAddrRange(A1, ExecutorAddrDiff(1)));
EXPECT_NE(R1, R2);
EXPECT_TRUE(R1.contains(A1));
EXPECT_FALSE(R1.contains(A0));
EXPECT_FALSE(R1.contains(A2));
EXPECT_FALSE(R1.overlaps(R0));
EXPECT_FALSE(R1.overlaps(R2));
EXPECT_TRUE(R1.overlaps(R3));
EXPECT_TRUE(R1.overlaps(R4));
EXPECT_LE(R0, R0);
EXPECT_LT(R0, R1);
EXPECT_GE(R0, R0);
EXPECT_GT(R1, R0);
// Check fromPtr support.
char A[10];
auto RP1 = ExecutorAddrRange::fromPtrRange(A, A + 10);
EXPECT_EQ(RP1.Start.toPtr<char *>(), A);
EXPECT_EQ(RP1.End.toPtr<char *>(), A + 10);
auto RP2 = ExecutorAddrRange::fromPtrRange(A, 10);
EXPECT_EQ(RP2.Start.toPtr<char *>(), A);
EXPECT_EQ(RP2.End.toPtr<char *>(), A + 10);
}
TEST(ExecutorSymbolDef, PointerConversion) {
int X = 0;
auto XHiddenSym = ExecutorSymbolDef::fromPtr(&X);
int *XHiddenPtr = XHiddenSym.toPtr<int *>();
auto XExportedSym = ExecutorSymbolDef::fromPtr(&X, JITSymbolFlags::Exported);
int *XExportedPtr = XExportedSym.toPtr<int *>();
EXPECT_EQ(XHiddenPtr, &X);
EXPECT_EQ(XExportedPtr, &X);
EXPECT_EQ(XHiddenSym.getFlags(), JITSymbolFlags());
EXPECT_EQ(XExportedSym.getFlags(), JITSymbolFlags::Exported);
}
TEST(ExecutorSymbolDef, FunctionPointerConversion) {
auto FHiddenSym = ExecutorSymbolDef::fromPtr(&F);
void (*FHiddenPtr)() = FHiddenSym.toPtr<void()>();
auto FExportedSym = ExecutorSymbolDef::fromPtr(&F, JITSymbolFlags::Exported);
void (*FExportedPtr)() = FExportedSym.toPtr<void()>();
EXPECT_EQ(FHiddenPtr, &F);
EXPECT_EQ(FExportedPtr, &F);
EXPECT_EQ(FHiddenSym.getFlags(), JITSymbolFlags::Callable);
EXPECT_EQ(FExportedSym.getFlags(),
JITSymbolFlags::Exported | JITSymbolFlags::Callable);
}
} // namespace
|
