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Bug 561786 - Add unit tests in Elf for attributes and getSymbolReader

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Change-Id: Ic4f4e4ab0d9df0882b99a0e2300c2ddb0393b43f
Signed-off-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
This commit is contained in:
Matthew Khouzam 2020-04-06 23:36:33 -04:00 • committed by Alexander Fedorov
parent c70484d11e
commit 0272908613
1 changed files with 47 additions and 8 deletions
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55
core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/utils/elf/ElfTest.java
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@ -16,11 +16,14 @@ import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
import org.eclipse.cdt.core.ISymbolReader;
import org.eclipse.cdt.utils.elf.Elf.Attribute;
import org.eclipse.cdt.utils.elf.Elf.Section;
import org.eclipse.cdt.utils.elf.Elf.Symbol;
import org.junit.Test;
@ -40,12 +43,14 @@ public class ElfTest {
@Parameters(name = "{0}")
public static Collection<Object[]> elfArchitectures() {
return Arrays.asList(new Object[][] {
{ "BE32", "resources/elf/unit_test/simple-be32.elf", 35, "0x00000000", "0x100001a8", 75, "0x10000518" },
{ "BE64", "resources/elf/unit_test/simple-be64.elf", 34, "0x0000000000000000", "0x0000000010000240", 69,
"0x000000001001fea0" },
{ "LE32", "resources/elf/unit_test/simple-le32.elf", 36, "0x00000000", "0x080481cc", 70, "0x080483e5" },
{ "LE64", "resources/elf/unit_test/simple-le64.elf", 36, "0x0000000000000000", "0x00000000004002b8", 68,
"0x00000000004004e4" }, });
{ "BE32", "ppc", "resources/elf/unit_test/simple-be32.elf", 35, "0x00000000", "0x100001a8", 75,
"0x10000518" },
{ "BE64", "ppc64", "resources/elf/unit_test/simple-be64.elf", 34, "0x0000000000000000",
"0x0000000010000240", 69, "0x000000001001fea0" },
{ "LE32", "x86", "resources/elf/unit_test/simple-le32.elf", 36, "0x00000000", "0x080481cc", 70,
"0x080483e5" },
{ "LE64", "x86_64", "resources/elf/unit_test/simple-le64.elf", 36, "0x0000000000000000",
"0x00000000004002b8", 68, "0x00000000004004e4" }, });
}
private static final Collection<String> functions = Arrays.asList("", "crtstuff.c", "simple.c", "crtstuff.c",
@ -55,6 +60,7 @@ public class ElfTest {
"__JCR_LIST__", "__JCR_END__", "_DYNAMIC", "data_start", "__data_start", "__dso_handle", "_edata",
"__bss_start", "__TMC_END__", "_end");
private final String memoryArchitecture;
private final String arch;
private final Elf elf;
private final int nbSections;
@ -63,8 +69,9 @@ public class ElfTest {
private final int nbSymbols;
private final String mainAddress;
public ElfTest(String architecture, String path, int sections, String symBaseAddress, String dynBaseAddress,
int symbolCount, String mainAddr) throws IOException {
public ElfTest(String mArch, String architecture, String path, int sections, String symBaseAddress,
String dynBaseAddress, int symbolCount, String mainAddr) throws IOException {
memoryArchitecture = mArch;
nbSections = sections;
elf = new Elf(path);
arch = architecture;
@ -122,4 +129,36 @@ public class ElfTest {
assertEquals(arch + ": " + "Main address", mainAddress, symbol.st_value.toHexAddressString());
}
@Test
public void testGetAttributes() throws IOException {
Attribute attributes = elf.getAttributes();
assertEquals(arch + ": " + "CPU Architecture", arch, attributes.getCPU());
assertTrue(arch + ": " + "is debuggable", attributes.hasDebug());
assertEquals(arch + ": " + "is Little Endian", memoryArchitecture.startsWith("LE"),
attributes.isLittleEndian());
/*
* Big integer math
*
* max 32 = 0xffffffff (2^32 -1)
* max 64 = 0xffffffffffffffff (2^64 -1) (larger than a long)
*/
BigInteger twoThirtyTwo = BigInteger.valueOf((1L << 32));
BigInteger unsigned32BitAddress = twoThirtyTwo.subtract(BigInteger.ONE);
BigInteger unsigned64BitAddress = twoThirtyTwo.multiply(twoThirtyTwo).subtract(BigInteger.ONE);
assertEquals(arch + ": " + "get Address factory",
memoryArchitecture.endsWith("32") ? unsigned32BitAddress : unsigned64BitAddress,
attributes.getAddressFactory().getMax().getValue());
assertEquals(arch + ": " + "debug type", Attribute.DEBUG_TYPE_DWARF, attributes.getDebugType());
assertEquals(arch + ": " + "elf type", Attribute.ELF_TYPE_EXE, attributes.getType());
}
@Test
public void testSymbolReader() {
ISymbolReader symbolReader = elf.getSymbolReader();
String[] sourceFiles = symbolReader.getSourceFiles();
assertEquals(arch + ": " + "Number of Source files", 1, sourceFiles.length);
assertTrue(arch + ": " + "Source file name", sourceFiles[0].endsWith("simple.c"));
}
}