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| author | 2020-08-03 15:06:44 +0000 | |
|---|---|---|
| committer | 2020-08-03 15:06:44 +0000 | |
| commit | b64793999546ed8adebaeebd9d8345d18db8927d (patch) | |
| tree | 4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp | |
| parent | Add support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff) | |
| download | wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip | |
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp')
| -rw-r--r-- | gnu/llvm/unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/gnu/llvm/unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp b/gnu/llvm/unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp deleted file mode 100644 index 582b58062c4..00000000000 --- a/gnu/llvm/unittests/DebugInfo/DWARF/DWARFFormValueTest.cpp +++ /dev/null @@ -1,124 +0,0 @@ -//===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "llvm/DebugInfo/DWARF/DWARFFormValue.h" -#include "llvm/ADT/ArrayRef.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/BinaryFormat/Dwarf.h" -#include "llvm/Support/Host.h" -#include "llvm/Support/LEB128.h" -#include "gtest/gtest.h" -#include <climits> -using namespace llvm; -using namespace dwarf; - -namespace { - -bool isFormClass(dwarf::Form Form, DWARFFormValue::FormClass FC) { - return DWARFFormValue(Form).isFormClass(FC); -} - -TEST(DWARFFormValue, FormClass) { - EXPECT_TRUE(isFormClass(DW_FORM_addr, DWARFFormValue::FC_Address)); - EXPECT_FALSE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Address)); - EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Constant)); - EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_SectionOffset)); - EXPECT_TRUE( - isFormClass(DW_FORM_sec_offset, DWARFFormValue::FC_SectionOffset)); - EXPECT_TRUE(isFormClass(DW_FORM_GNU_str_index, DWARFFormValue::FC_String)); - EXPECT_TRUE(isFormClass(DW_FORM_GNU_addr_index, DWARFFormValue::FC_Address)); - EXPECT_FALSE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Address)); - EXPECT_TRUE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Reference)); - EXPECT_TRUE(isFormClass(DW_FORM_ref_sig8, DWARFFormValue::FC_Reference)); -} - -template<typename RawTypeT> -DWARFFormValue createDataXFormValue(dwarf::Form Form, RawTypeT Value) { - char Raw[sizeof(RawTypeT)]; - memcpy(Raw, &Value, sizeof(RawTypeT)); - uint32_t Offset = 0; - DWARFFormValue Result(Form); - DWARFDataExtractor Data(StringRef(Raw, sizeof(RawTypeT)), - sys::IsLittleEndianHost, sizeof(void *)); - Result.extractValue(Data, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32}); - return Result; -} - -DWARFFormValue createULEBFormValue(uint64_t Value) { - SmallString<10> RawData; - raw_svector_ostream OS(RawData); - encodeULEB128(Value, OS); - uint32_t Offset = 0; - DWARFFormValue Result(DW_FORM_udata); - DWARFDataExtractor Data(OS.str(), sys::IsLittleEndianHost, sizeof(void *)); - Result.extractValue(Data, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32}); - return Result; -} - -DWARFFormValue createSLEBFormValue(int64_t Value) { - SmallString<10> RawData; - raw_svector_ostream OS(RawData); - encodeSLEB128(Value, OS); - uint32_t Offset = 0; - DWARFFormValue Result(DW_FORM_sdata); - DWARFDataExtractor Data(OS.str(), sys::IsLittleEndianHost, sizeof(void *)); - Result.extractValue(Data, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32}); - return Result; -} - -TEST(DWARFFormValue, SignedConstantForms) { - // Check that we correctly sign extend fixed size forms. - auto Sign1 = createDataXFormValue<uint8_t>(DW_FORM_data1, -123); - auto Sign2 = createDataXFormValue<uint16_t>(DW_FORM_data2, -12345); - auto Sign4 = createDataXFormValue<uint32_t>(DW_FORM_data4, -123456789); - auto Sign8 = createDataXFormValue<uint64_t>(DW_FORM_data8, -1); - EXPECT_EQ(Sign1.getAsSignedConstant().getValue(), -123); - EXPECT_EQ(Sign2.getAsSignedConstant().getValue(), -12345); - EXPECT_EQ(Sign4.getAsSignedConstant().getValue(), -123456789); - EXPECT_EQ(Sign8.getAsSignedConstant().getValue(), -1); - - // Check that we can handle big positive values, but that we return - // an error just over the limit. - auto UMax = createULEBFormValue(LLONG_MAX); - auto TooBig = createULEBFormValue(uint64_t(LLONG_MAX) + 1); - EXPECT_EQ(UMax.getAsSignedConstant().getValue(), LLONG_MAX); - EXPECT_EQ(TooBig.getAsSignedConstant().hasValue(), false); - - // Sanity check some other forms. - auto Data1 = createDataXFormValue<uint8_t>(DW_FORM_data1, 120); - auto Data2 = createDataXFormValue<uint16_t>(DW_FORM_data2, 32000); - auto Data4 = createDataXFormValue<uint32_t>(DW_FORM_data4, 2000000000); - auto Data8 = createDataXFormValue<uint64_t>(DW_FORM_data8, 0x1234567812345678LL); - auto LEBMin = createSLEBFormValue(LLONG_MIN); - auto LEBMax = createSLEBFormValue(LLONG_MAX); - auto LEB1 = createSLEBFormValue(-42); - auto LEB2 = createSLEBFormValue(42); - EXPECT_EQ(Data1.getAsSignedConstant().getValue(), 120); - EXPECT_EQ(Data2.getAsSignedConstant().getValue(), 32000); - EXPECT_EQ(Data4.getAsSignedConstant().getValue(), 2000000000); - EXPECT_EQ(Data8.getAsSignedConstant().getValue(), 0x1234567812345678LL); - EXPECT_EQ(LEBMin.getAsSignedConstant().getValue(), LLONG_MIN); - EXPECT_EQ(LEBMax.getAsSignedConstant().getValue(), LLONG_MAX); - EXPECT_EQ(LEB1.getAsSignedConstant().getValue(), -42); - EXPECT_EQ(LEB2.getAsSignedConstant().getValue(), 42); - - // Data16 is a little tricky. - char Cksum[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; - DWARFFormValue Data16(DW_FORM_data16); - DWARFDataExtractor DE16(StringRef(Cksum, 16), sys::IsLittleEndianHost, - sizeof(void *)); - uint32_t Offset = 0; - Data16.extractValue(DE16, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32}); - SmallString<32> Str; - raw_svector_ostream Res(Str); - Data16.dump(Res, DIDumpOptions()); - EXPECT_EQ(memcmp(Str.data(), "000102030405060708090a0b0c0d0e0f", 32), 0); -} - -} // end anonymous namespace |
