ELF: Replace the header-extension unit test with a lit one
The new test checks that we are actually able to read data from these kinds of elf headers correctly instead of just that we read the section number correctly. It is also easier to figure out what's going on in the test. llvm-svn: 337459
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Pavel Labath
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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux %s -o %t
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# RUN: lldb-test object-file %t | FileCheck %s
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## Check that we are able to parse ELF files with more than SHN_LORESERVE
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## sections. This generates a file that contains 64k sections from
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## aaaaaaaa..dddddddd, plus a couple of standard ones (.strtab, etc.)
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## Check the number is correct plus the names of a couple of chosen sections.
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# CHECK: Showing 65541 sections
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# CHECK: Name: aaaaaaaa
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# CHECK: Name: bbbbbbbb
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# CHECK: Name: cccccccc
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# CHECK: Name: abcdabcd
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# CHECK: Name: dddddddd
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.macro gen_sections4 x
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.section a\x
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.section b\x
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.section c\x
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.section d\x
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.endm
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.macro gen_sections16 x
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gen_sections4 a\x
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gen_sections4 b\x
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gen_sections4 c\x
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gen_sections4 d\x
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.endm
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.macro gen_sections64 x
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gen_sections16 a\x
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gen_sections16 b\x
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gen_sections16 c\x
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gen_sections16 d\x
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.endm
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.macro gen_sections256 x
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gen_sections64 a\x
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gen_sections64 b\x
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gen_sections64 c\x
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gen_sections64 d\x
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.endm
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.macro gen_sections1024 x
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gen_sections256 a\x
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gen_sections256 b\x
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gen_sections256 c\x
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gen_sections256 d\x
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.endm
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.macro gen_sections4096 x
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gen_sections1024 a\x
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gen_sections1024 b\x
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gen_sections1024 c\x
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gen_sections1024 d\x
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.endm
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.macro gen_sections16384 x
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gen_sections4096 a\x
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gen_sections4096 b\x
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gen_sections4096 c\x
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gen_sections4096 d\x
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.endm
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gen_sections16384 a
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gen_sections16384 b
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gen_sections16384 c
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gen_sections16384 d
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.global _start
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_start:
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@ -1 +1 @@
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config.suffixes = ['.yaml']
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config.suffixes = ['.s', '.yaml']
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@ -1,5 +1,4 @@
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add_lldb_unittest(ObjectFileELFTests
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TestELFHeader.cpp
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TestObjectFileELF.cpp
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LINK_LIBS
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@ -1,62 +0,0 @@
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//===-- TestELFHeader.cpp ---------------------------------------*- C++ -*-===//
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//
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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 "Plugins/ObjectFile/ELF/ELFHeader.h"
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#include "lldb/Utility/DataExtractor.h"
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#include "gtest/gtest.h"
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using namespace lldb;
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using namespace lldb_private;
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TEST(ELFHeader, ParseHeaderExtension) {
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uint8_t data[] = {
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// e_ident
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0x7f, 0x45, 0x4c, 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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// e_type, e_machine, e_version, e_entry
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0x03, 0x00, 0x3e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x48, 0x40, 0x00,
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0x00, 0x00, 0x00, 0x00,
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// e_phoff, e_shoff
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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// e_flags, e_ehsize, e_phentsize, e_phnum, e_shentsize, e_shnum,
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// e_shstrndx
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0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x38, 0x00, 0xff, 0xff, 0x40, 0x00,
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0x00, 0x00, 0xff, 0xff,
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// sh_name, sh_type, sh_flags
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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// sh_addr, sh_offset
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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// sh_size, sh_link, sh_info
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0x23, 0x45, 0x67, 0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x56, 0x78, 0x00,
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0x12, 0x34, 0x56, 0x00,
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// sh_addralign, sh_entsize
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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};
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DataExtractor extractor(data, sizeof data, eByteOrderLittle, 8);
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elf::ELFHeader header;
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offset_t offset = 0;
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ASSERT_TRUE(header.Parse(extractor, &offset));
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EXPECT_EQ(0x563412u, header.e_phnum);
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EXPECT_EQ(0x785634u, header.e_shstrndx);
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EXPECT_EQ(0x674523u, header.e_shnum);
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}
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