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50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
//===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/DWARFFormValue.h"
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#include "llvm/Support/Dwarf.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace dwarf;
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namespace {
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TEST(DWARFFormValue, FixedFormSizes) {
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// Size of DW_FORM_addr and DW_FORM_ref_addr are equal in DWARF2,
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// DW_FORM_ref_addr is always 4 bytes in DWARF32 starting from DWARF3.
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ArrayRef<uint8_t> sizes = DWARFFormValue::getFixedFormSizes(4, 2);
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EXPECT_EQ(sizes[DW_FORM_addr], sizes[DW_FORM_ref_addr]);
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sizes = DWARFFormValue::getFixedFormSizes(8, 2);
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EXPECT_EQ(sizes[DW_FORM_addr], sizes[DW_FORM_ref_addr]);
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sizes = DWARFFormValue::getFixedFormSizes(8, 3);
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EXPECT_EQ(4, sizes[DW_FORM_ref_addr]);
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// Check that we don't have fixed form sizes for weird address sizes.
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EXPECT_EQ(0U, DWARFFormValue::getFixedFormSizes(16, 2).size());
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}
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bool isFormClass(uint16_t Form, DWARFFormValue::FormClass FC) {
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return DWARFFormValue(Form).isFormClass(FC);
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}
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TEST(DWARFFormValue, FormClass) {
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EXPECT_TRUE(isFormClass(DW_FORM_addr, DWARFFormValue::FC_Address));
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EXPECT_FALSE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Address));
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EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Constant));
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EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_SectionOffset));
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EXPECT_TRUE(
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isFormClass(DW_FORM_sec_offset, DWARFFormValue::FC_SectionOffset));
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EXPECT_TRUE(isFormClass(DW_FORM_GNU_str_index, DWARFFormValue::FC_String));
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EXPECT_TRUE(isFormClass(DW_FORM_GNU_addr_index, DWARFFormValue::FC_Address));
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EXPECT_FALSE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Address));
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EXPECT_TRUE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Reference));
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EXPECT_TRUE(isFormClass(DW_FORM_ref_sig8, DWARFFormValue::FC_Reference));
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}
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} // end anonymous namespace
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