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llvm-project/llvm/unittests/Support/CSKYAttributeParserTest.cpp

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//===----- unittests/CSKYAttributeParserTest.cpp --------------------------===//
//
// 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/Support/CSKYAttributeParser.h"
#include "llvm/Support/ARMBuildAttributes.h"
#include "llvm/Support/ELFAttributes.h"
#include "gtest/gtest.h"
#include <string>
using namespace llvm;
struct CSKYAttributeSection {
unsigned Tag;
struct {
unsigned IntValue;
const char *StringValue;
} Value;
CSKYAttributeSection(unsigned tag, unsigned value) : Tag(tag) {
Value.IntValue = value;
}
CSKYAttributeSection(unsigned tag, const char *value) : Tag(tag) {
Value.StringValue = value;
}
void writeInt(raw_ostream &OS) {
OS.flush();
// Format version.
OS << 'A'
// uint32_t = VendorHeaderSize + TagHeaderSize + ContentsSize.
<< (uint8_t)16 << (uint8_t)0 << (uint8_t)0
<< (uint8_t)0
// CurrentVendor.
<< "csky"
<< '\0'
// ELFAttrs::File.
<< (uint8_t)1
// uint32_t = TagHeaderSize + ContentsSize.
<< (uint8_t)6 << (uint8_t)0 << (uint8_t)0
<< (uint8_t)0
// Tag
<< (uint8_t)Tag
// IntValue
<< (uint8_t)Value.IntValue;
}
void writeString(raw_ostream &OS) {
OS.flush();
// Format version.
OS << 'A'
// uint32_t = VendorHeaderSize + TagHeaderSize + ContentsSize.
<< (uint8_t)(16 + strlen(Value.StringValue)) << (uint8_t)0 << (uint8_t)0
<< (uint8_t)0
// CurrentVendor.
<< "csky"
<< '\0'
// ELFAttrs::File.
<< (uint8_t)1
// uint32_t = TagHeaderSize + ContentsSize.
<< (uint8_t)(6 + strlen(Value.StringValue)) << (uint8_t)0 << (uint8_t)0
<< (uint8_t)0
// Tag
<< (uint8_t)Tag
// StringValue
<< Value.StringValue << '\0';
}
};
static bool testAttributeInt(unsigned Tag, unsigned Value, unsigned ExpectedTag,
unsigned ExpectedValue) {
std::string buffer;
raw_string_ostream OS(buffer);
CSKYAttributeSection Section(Tag, Value);
Section.writeInt(OS);
ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(OS.str().c_str()),
OS.str().size());
CSKYAttributeParser Parser;
cantFail(Parser.parse(Bytes, support::little));
Optional<unsigned> Attr = Parser.getAttributeValue(ExpectedTag);
return Attr.hasValue() && Attr.getValue() == ExpectedValue;
}
static bool testAttributeString(unsigned Tag, const char *Value,
unsigned ExpectedTag,
const char *ExpectedValue) {
std::string buffer;
raw_string_ostream OS(buffer);
CSKYAttributeSection Section(Tag, Value);
Section.writeString(OS);
ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(OS.str().c_str()),
OS.str().size());
CSKYAttributeParser Parser;
cantFail(Parser.parse(Bytes, support::little));
Optional<StringRef> Attr = Parser.getAttributeString(ExpectedTag);
return Attr.hasValue() && Attr.getValue() == ExpectedValue;
}
static void testParseError(unsigned Tag, unsigned Value, const char *msg) {
std::string buffer;
raw_string_ostream OS(buffer);
CSKYAttributeSection Section(Tag, Value);
Section.writeInt(OS);
ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(OS.str().c_str()),
OS.str().size());
CSKYAttributeParser Parser;
Error e = Parser.parse(Bytes, support::little);
EXPECT_STREQ(toString(std::move(e)).c_str(), msg);
}
static bool testTagString(unsigned Tag, const char *name) {
return ELFAttrs::attrTypeAsString(Tag, CSKYAttrs::getCSKYAttributeTags())
.str() == name;
}
TEST(ArchName, testAttribute) {
EXPECT_TRUE(testTagString(4, "Tag_CSKY_ARCH_NAME"));
EXPECT_TRUE(
testAttributeString(4, "ck860", CSKYAttrs::CSKY_ARCH_NAME, "ck860"));
EXPECT_FALSE(
testAttributeString(4, "ck86", CSKYAttrs::CSKY_ARCH_NAME, "ck60"));
}
TEST(CPUName, testAttribute) {
EXPECT_TRUE(testTagString(5, "Tag_CSKY_CPU_NAME"));
EXPECT_TRUE(
testAttributeString(5, "ck860fv", CSKYAttrs::CSKY_CPU_NAME, "ck860fv"));
EXPECT_FALSE(
testAttributeString(5, "ck860", CSKYAttrs::CSKY_CPU_NAME, "ck860fv"));
}
TEST(DSPVersion, testAttribute) {
EXPECT_TRUE(testTagString(8, "Tag_CSKY_DSP_VERSION"));
EXPECT_TRUE(testAttributeInt(8, 1, CSKYAttrs::CSKY_DSP_VERSION,
CSKYAttrs::DSP_VERSION_EXTENSION));
EXPECT_TRUE(testAttributeInt(8, 2, CSKYAttrs::CSKY_DSP_VERSION,
CSKYAttrs::DSP_VERSION_2));
EXPECT_FALSE(testAttributeInt(8, 0, CSKYAttrs::CSKY_DSP_VERSION,
CSKYAttrs::DSP_VERSION_EXTENSION));
testParseError(8, 3, "unknown Tag_CSKY_DSP_VERSION value: 3");
}
TEST(VDSPVersion, testAttribute) {
EXPECT_TRUE(testTagString(9, "Tag_CSKY_VDSP_VERSION"));
EXPECT_TRUE(testAttributeInt(9, 1, CSKYAttrs::CSKY_VDSP_VERSION,
CSKYAttrs::VDSP_VERSION_1));
EXPECT_TRUE(testAttributeInt(9, 2, CSKYAttrs::CSKY_VDSP_VERSION,
CSKYAttrs::VDSP_VERSION_2));
EXPECT_FALSE(testAttributeInt(9, 0, CSKYAttrs::CSKY_VDSP_VERSION,
CSKYAttrs::VDSP_VERSION_2));
testParseError(9, 3, "unknown Tag_CSKY_VDSP_VERSION value: 3");
}
TEST(FPUVersion, testAttribute) {
EXPECT_TRUE(testTagString(16, "Tag_CSKY_FPU_VERSION"));
EXPECT_TRUE(testAttributeInt(16, 1, CSKYAttrs::CSKY_FPU_VERSION,
CSKYAttrs::FPU_VERSION_1));
EXPECT_TRUE(testAttributeInt(16, 2, CSKYAttrs::CSKY_FPU_VERSION,
CSKYAttrs::FPU_VERSION_2));
EXPECT_TRUE(testAttributeInt(16, 3, CSKYAttrs::CSKY_FPU_VERSION,
CSKYAttrs::FPU_VERSION_3));
EXPECT_FALSE(testAttributeInt(16, 0, CSKYAttrs::CSKY_FPU_VERSION,
CSKYAttrs::FPU_VERSION_3));
testParseError(16, 4, "unknown Tag_CSKY_FPU_VERSION value: 4");
}
TEST(FPUABI, testAttribute) {
EXPECT_TRUE(testTagString(17, "Tag_CSKY_FPU_ABI"));
EXPECT_TRUE(testAttributeInt(17, 1, CSKYAttrs::CSKY_FPU_ABI,
CSKYAttrs::FPU_ABI_SOFT));
EXPECT_TRUE(testAttributeInt(17, 2, CSKYAttrs::CSKY_FPU_ABI,
CSKYAttrs::FPU_ABI_SOFTFP));
EXPECT_TRUE(testAttributeInt(17, 3, CSKYAttrs::CSKY_FPU_ABI,
CSKYAttrs::FPU_ABI_HARD));
EXPECT_FALSE(testAttributeInt(17, 0, CSKYAttrs::CSKY_FPU_ABI,
CSKYAttrs::FPU_ABI_HARD));
testParseError(17, 4, "unknown Tag_CSKY_FPU_ABI value: 4");
}
TEST(FPURounding, testAttribute) {
EXPECT_TRUE(testTagString(18, "Tag_CSKY_FPU_ROUNDING"));
EXPECT_TRUE(
testAttributeInt(18, 0, CSKYAttrs::CSKY_FPU_ROUNDING, CSKYAttrs::NONE));
EXPECT_TRUE(
testAttributeInt(18, 1, CSKYAttrs::CSKY_FPU_ROUNDING, CSKYAttrs::NEEDED));
testParseError(18, 2, "unknown Tag_CSKY_FPU_ROUNDING value: 2");
}
TEST(FPUDenormal, testAttribute) {
EXPECT_TRUE(testTagString(19, "Tag_CSKY_FPU_DENORMAL"));
EXPECT_TRUE(
testAttributeInt(19, 0, CSKYAttrs::CSKY_FPU_DENORMAL, CSKYAttrs::NONE));
EXPECT_TRUE(
testAttributeInt(19, 1, CSKYAttrs::CSKY_FPU_DENORMAL, CSKYAttrs::NEEDED));
testParseError(19, 2, "unknown Tag_CSKY_FPU_DENORMAL value: 2");
}
TEST(FPUException, testAttribute) {
EXPECT_TRUE(testTagString(20, "Tag_CSKY_FPU_EXCEPTION"));
EXPECT_TRUE(
testAttributeInt(20, 0, CSKYAttrs::CSKY_FPU_EXCEPTION, CSKYAttrs::NONE));
EXPECT_TRUE(testAttributeInt(20, 1, CSKYAttrs::CSKY_FPU_EXCEPTION,
CSKYAttrs::NEEDED));
testParseError(20, 2, "unknown Tag_CSKY_FPU_EXCEPTION value: 2");
}
TEST(FPUNumberModule, testAttribute) {
EXPECT_TRUE(testTagString(21, "Tag_CSKY_FPU_NUMBER_MODULE"));
EXPECT_TRUE(testAttributeString(
21, "IEEE 754", CSKYAttrs::CSKY_FPU_NUMBER_MODULE, "IEEE 754"));
EXPECT_FALSE(testAttributeString(
21, "IEEE 755", CSKYAttrs::CSKY_FPU_NUMBER_MODULE, "IEEE 754"));
}
TEST(FPUHardFP, testAttribute) {
EXPECT_TRUE(testTagString(22, "Tag_CSKY_FPU_HARDFP"));
EXPECT_TRUE(testAttributeInt(22, 1, CSKYAttrs::CSKY_FPU_HARDFP,
CSKYAttrs::FPU_HARDFP_HALF));
EXPECT_TRUE(testAttributeInt(22, 2, CSKYAttrs::CSKY_FPU_HARDFP,
CSKYAttrs::FPU_HARDFP_SINGLE));
EXPECT_TRUE(testAttributeInt(22, 4, CSKYAttrs::CSKY_FPU_HARDFP,
CSKYAttrs::FPU_HARDFP_DOUBLE));
EXPECT_FALSE(testAttributeInt(22, 3, CSKYAttrs::CSKY_FPU_HARDFP,
CSKYAttrs::FPU_HARDFP_DOUBLE));
testParseError(22, 0, "unknown Tag_CSKY_FPU_HARDFP value: 0");
testParseError(22, 8, "unknown Tag_CSKY_FPU_HARDFP value: 8");
}
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