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// testfile.cc -- Dummy ELF objects for testing purposes.

// Copyright 2006, 2007, 2008, 2009, 2011 Free Software Foundation, Inc.

// Written by Ian Lance Taylor <iant@google.com>.

// This file is part of gold.

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3 of the License, or

// (at your option) any later version.

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with this program; if not, write to the Free Software

// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

// MA 02110-1301, USA.

#include "gold.h"

#include "target.h"

#include "target-select.h"

#include "test.h"

#include "testfile.h"

namespace gold_testsuite

{

using namespace gold;

// A Target used for testing purposes.

template<int size, bool big_endian>

class Target_test : public Sized_target<size, big_endian>

{

 public:

  Target_test()

    : Sized_target<size, big_endian>(&test_target_info)

  { }

  void

  gc_process_relocs(Symbol_table*, Layout*,

                    Sized_relobj_file<size, big_endian>*,

                    unsigned int, unsigned int, const unsigned char*, size_t,

                    Output_section*, bool, size_t, const unsigned char*)

  { ERROR("call to Target_test::gc_process_relocs"); }

  void

  scan_relocs(Symbol_table*, Layout*, Sized_relobj_file<size, big_endian>*,

              unsigned int, unsigned int, const unsigned char*, size_t,

              Output_section*, bool, size_t, const unsigned char*)

  { ERROR("call to Target_test::scan_relocs"); }

  void

  relocate_section(const Relocate_info<size, big_endian>*, unsigned int,

                   const unsigned char*, size_t, Output_section*, bool,

                   unsigned char*, typename elfcpp::Elf_types<size>::Elf_Addr,

                   section_size_type, const Reloc_symbol_changes*)

  { ERROR("call to Target_test::relocate_section"); }

  void

  scan_relocatable_relocs(Symbol_table*, Layout*,

                          Sized_relobj_file<size, big_endian>*, unsigned int,

                          unsigned int, const unsigned char*,

                          size_t, Output_section*, bool, size_t,

                          const unsigned char*, Relocatable_relocs*)

  { ERROR("call to Target_test::scan_relocatable_relocs"); }

  void

  relocate_for_relocatable(const Relocate_info<size, big_endian>*,

                           unsigned int, const unsigned char*, size_t,

                           Output_section*, off_t, const Relocatable_relocs*,

                           unsigned char*,

                           typename elfcpp::Elf_types<size>::Elf_Addr,

                           section_size_type, unsigned char*,

                           section_size_type)

  { ERROR("call to Target_test::relocate_for_relocatable"); }

  static const Target::Target_info test_target_info;

};

template<int size, bool big_endian>

const Target::Target_info Target_test<size, big_endian>::test_target_info =

{

  size,                                 // size

  big_endian,                           // is_big_endian

  static_cast<elfcpp::EM>(0xffff),      // machine_code

  false,                                // has_make_symbol

  false,                                // has_resolve

  false,                                // has_code_fill

  false,                                // is_default_stack_executable

  false,                                // can_icf_inline_merge_sections

  '\0',                                 // wrap_char

  "/dummy",                             // dynamic_linker

  0x08000000,                           // default_text_segment_address

  0x1000,                               // abi_pagesize

  0x1000,                               // common_pagesize

  elfcpp::SHN_UNDEF,                    // small_common_shndx

  elfcpp::SHN_UNDEF,                    // large_common_shndx

  0,                                     // small_common_section_flags

  0,                                     // large_common_section_flags

  NULL,                                 // attributes_section

  NULL                                  // attributes_vendor

};

// The test targets.

#ifdef HAVE_TARGET_32_LITTLE

Target_test<32, false> target_test_32_little;

#endif

#ifdef HAVE_TARGET_32_BIG

Target_test<32, true> target_test_32_big;

#endif

#ifdef HAVE_TARGET_64_LITTLE

Target_test<64, false> target_test_64_little;

#endif

#ifdef HAVE_TARGET_64_BIG

Target_test<64, true> target_test_64_big;

#endif

// A pointer to the test targets.  This is used in CHECKs.

#ifdef HAVE_TARGET_32_LITTLE

Target* target_test_pointer_32_little = &target_test_32_little;

#endif

#ifdef HAVE_TARGET_32_BIG

Target* target_test_pointer_32_big = &target_test_32_big;

#endif

#ifdef HAVE_TARGET_64_LITTLE

Target* target_test_pointer_64_little = &target_test_64_little;

#endif

#ifdef HAVE_TARGET_64_BIG

Target* target_test_pointer_64_big = &target_test_64_big;

#endif

// Select the test targets.

template<int size, bool big_endian>

class Target_selector_test : public Target_selector

{

 public:

  Target_selector_test()

    : Target_selector(0xffff, size, big_endian, NULL, NULL)

  { }

  Target*

  do_instantiate_target()

  {

    gold_unreachable();

    return NULL;

  }

  Target*

  do_recognize(int, int, int)

  {

    if (size == 32)

      {

        if (!big_endian)

          {

#ifdef HAVE_TARGET_32_LITTLE

            return &target_test_32_little;

#endif

          }

        else

          {

#ifdef HAVE_TARGET_32_BIG

            return &target_test_32_big;

#endif

          }

      }

    else

      {

        if (!big_endian)

          {

#ifdef HAVE_TARGET_64_LITTLE

            return &target_test_64_little;

#endif

          }

        else

          {

#ifdef HAVE_TARGET_64_BIG

            return &target_test_64_big;

#endif

          }

      }

    return NULL;

  }

  Target*

  do_recognize_by_name(const char*)

  { return NULL; }

  void

  do_supported_names(std::vector<const char*>*)

  { }

};

// Register the test target selectors.  These don't need to be

// conditionally compiled, as they will return NULL if there is no

// support for them.

Target_selector_test<32, false> target_selector_test_32_little;

Target_selector_test<32, true> target_selector_test_32_big;

Target_selector_test<64, false> target_selector_test_64_little;

Target_selector_test<64, true> target_selector_test_64_big;

// A simple ELF object with one empty section, named ".test" and one

// globally visible symbol named "test".

const unsigned char test_file_1_32_little[] =

{

  // Ehdr

  // EI_MAG[0-3]

  0x7f, 'E', 'L', 'F',

  // EI_CLASS: 32 bit.

  1,

  // EI_DATA: little endian

  1,

  // EI_VERSION

  1,

  // EI_OSABI

  0,

  // EI_ABIVERSION

  0,

  // EI_PAD

  0, 0, 0, 0, 0, 0, 0,

  // e_type: ET_REL

  1, 0,

  // e_machine: a magic value used for testing.

  0xff, 0xff,

  // e_version

  1, 0, 0, 0,

  // e_entry

  0, 0, 0, 0,

  // e_phoff

  0, 0, 0, 0,

  // e_shoff: starts right after file header

  52, 0, 0, 0,

  // e_flags

  0, 0, 0, 0,

  // e_ehsize

  52, 0,

  // e_phentsize

  32, 0,

  // e_phnum

  0, 0,

  // e_shentsize

  40, 0,

  // e_shnum: dummy, .test, .symtab, .strtab, .shstrtab

  5, 0,

  // e_shstrndx

  4, 0,

  // Offset 52

  // Shdr 0: dummy entry

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0,

  // Offset 92

  // Shdr 1: .test

  // sh_name: after initial null

  1, 0, 0, 0,

  // sh_type: SHT_PROGBITS

  1, 0, 0, 0,

  // sh_flags: SHF_ALLOC

  2, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after file header + 5 section headers

  252, 0, 0, 0,

  // sh_size

  0, 0, 0, 0,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  1, 0, 0, 0,

  // sh_entsize

  0, 0, 0, 0,

  // Offset 132

  // Shdr 2: .symtab

  // sh_name: 1 null byte + ".test\0"

  7, 0, 0, 0,

  // sh_type: SHT_SYMTAB

  2, 0, 0, 0,

  // sh_flags

  0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after file header + 5 section headers + empty section

  252, 0, 0, 0,

  // sh_size: two symbols: dummy symbol + test symbol

  32, 0, 0, 0,

  // sh_link: to .strtab

  3, 0, 0, 0,

  // sh_info: one local symbol, the dummy symbol

  1, 0, 0, 0,

  // sh_addralign

  4, 0, 0, 0,

  // sh_entsize: size of symbol

  16, 0, 0, 0,

  // Offset 172

  // Shdr 3: .strtab

  // sh_name: 1 null byte + ".test\0" + ".symtab\0"

  15, 0, 0, 0,

  // sh_type: SHT_STRTAB

  3, 0, 0, 0,

  // sh_flags

  0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after .symtab section.  284 == 0x11c

  0x1c, 0x1, 0, 0,

  // sh_size: 1 null byte + "test\0"

  6, 0, 0, 0,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  1, 0, 0, 0,

  // sh_entsize

  0, 0, 0, 0,

  // Offset 212

  // Shdr 4: .shstrtab

  // sh_name: 1 null byte + ".test\0" + ".symtab\0" + ".strtab\0"

  23, 0, 0, 0,

  // sh_type: SHT_STRTAB

  3, 0, 0, 0,

  // sh_flags

  0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after .strtab section.  290 == 0x122

  0x22, 0x1, 0, 0,

  // sh_size: all section names

  33, 0, 0, 0,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  1, 0, 0, 0,

  // sh_entsize

  0, 0, 0, 0,

  // Offset 252

  // Contents of .symtab section

  // Symbol 0

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  // Offset 268

  // Symbol 1

  // st_name

  1, 0, 0, 0,

  // st_value

  0, 0, 0, 0,

  // st_size

  0, 0, 0, 0,

  // st_info: STT_NOTYPE, STB_GLOBAL

  0x10,

  // st_other

  0,

  // st_shndx: In .test

  1, 0,

  // Offset 284

  // Contents of .strtab section

  '\0',

  't', 'e', 's', 't', '\0',

  // Offset 290

  // Contents of .shstrtab section

  '\0',

  '.', 't', 'e', 's', 't', '\0',

  '.', 's', 'y', 'm', 't', 'a', 'b', '\0',

  '.', 's', 't', 'r', 't', 'a', 'b', '\0',

  '.', 's', 'h', 's', 't', 'r', 't', 'a', 'b', '\0'

};

const unsigned int test_file_1_size_32_little = sizeof test_file_1_32_little;

// 32-bit big-endian version of test_file_1_32_little.

const unsigned char test_file_1_32_big[] =

{

  // Ehdr

  // EI_MAG[0-3]

  0x7f, 'E', 'L', 'F',

  // EI_CLASS: 32 bit.

  1,

  // EI_DATA: big endian

  2,

  // EI_VERSION

  1,

  // EI_OSABI

  0,

  // EI_ABIVERSION

  0,

  // EI_PAD

  0, 0, 0, 0, 0, 0, 0,

  // e_type: ET_REL

  0, 1,

  // e_machine: a magic value used for testing.

  0xff, 0xff,

  // e_version

  0, 0, 0, 1,

  // e_entry

  0, 0, 0, 0,

  // e_phoff

  0, 0, 0, 0,

  // e_shoff: starts right after file header

  0, 0, 0, 52,

  // e_flags

  0, 0, 0, 0,

  // e_ehsize

  0, 52,

  // e_phentsize

  0, 32,

  // e_phnum

  0, 0,

  // e_shentsize

  0, 40,

  // e_shnum: dummy, .test, .symtab, .strtab, .shstrtab

  0, 5,

  // e_shstrndx

  0, 4,

  // Offset 52

  // Shdr 0: dummy entry

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0,

  // Offset 92

  // Shdr 1: .test

  // sh_name: after initial null

  0, 0, 0, 1,

  // sh_type: SHT_PROGBITS

  0, 0, 0, 1,

  // sh_flags: SHF_ALLOC

  0, 0, 0, 2,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after file header + 5 section headers

  0, 0, 0, 252,

  // sh_size

  0, 0, 0, 0,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  0, 0, 0, 1,

  // sh_entsize

  0, 0, 0, 0,

  // Offset 132

  // Shdr 2: .symtab

  // sh_name: 1 null byte + ".test\0"

  0, 0, 0, 7,

  // sh_type: SHT_SYMTAB

  0, 0, 0, 2,

  // sh_flags

  0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after file header + 5 section headers + empty section

  0, 0, 0, 252,

  // sh_size: two symbols: dummy symbol + test symbol

  0, 0, 0, 32,

  // sh_link: to .strtab

  0, 0, 0, 3,

  // sh_info: one local symbol, the dummy symbol

  0, 0, 0, 1,

  // sh_addralign

  0, 0, 0, 4,

  // sh_entsize: size of symbol

  0, 0, 0, 16,

  // Offset 172

  // Shdr 3: .strtab

  // sh_name: 1 null byte + ".test\0" + ".symtab\0"

  0, 0, 0, 15,

  // sh_type: SHT_STRTAB

  0, 0, 0, 3,

  // sh_flags

  0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after .symtab section.  284 == 0x11c

  0, 0, 0x1, 0x1c,

  // sh_size: 1 null byte + "test\0"

  0, 0, 0, 6,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  0, 0, 0, 1,

  // sh_entsize

  0, 0, 0, 0,

  // Offset 212

  // Shdr 4: .shstrtab

  // sh_name: 1 null byte + ".test\0" + ".symtab\0" + ".strtab\0"

  0, 0, 0, 23,

  // sh_type: SHT_STRTAB

  0, 0, 0, 3,

  // sh_flags

  0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0,

  // sh_offset: after .strtab section.  290 == 0x122

  0, 0, 0x1, 0x22,

  // sh_size: all section names

  0, 0, 0, 33,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  0, 0, 0, 1,

  // sh_entsize

  0, 0, 0, 0,

  // Offset 252

  // Contents of .symtab section

  // Symbol 0

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  // Offset 268

  // Symbol 1

  // st_name

  0, 0, 0, 1,

  // st_value

  0, 0, 0, 0,

  // st_size

  0, 0, 0, 0,

  // st_info: STT_NOTYPE, STB_GLOBAL

  0x10,

  // st_other

  0,

  // st_shndx: In .test

  0, 1,

  // Offset 284

  // Contents of .strtab section

  '\0',

  't', 'e', 's', 't', '\0',

  // Offset 290

  // Contents of .shstrtab section

  '\0',

  '.', 't', 'e', 's', 't', '\0',

  '.', 's', 'y', 'm', 't', 'a', 'b', '\0',

  '.', 's', 't', 'r', 't', 'a', 'b', '\0',

  '.', 's', 'h', 's', 't', 'r', 't', 'a', 'b', '\0'

};

const unsigned int test_file_1_size_32_big = sizeof test_file_1_32_big;

// 64-bit little-endian version of test_file_1_32_little.

const unsigned char test_file_1_64_little[] =

{

  // Ehdr

  // EI_MAG[0-3]

  0x7f, 'E', 'L', 'F',

  // EI_CLASS: 64 bit.

  2,

  // EI_DATA: little endian

  1,

  // EI_VERSION

  1,

  // EI_OSABI

  0,

  // EI_ABIVERSION

  0,

  // EI_PAD

  0, 0, 0, 0, 0, 0, 0,

  // e_type: ET_REL

  1, 0,

  // e_machine: a magic value used for testing.

  0xff, 0xff,

  // e_version

  1, 0, 0, 0,

  // e_entry

  0, 0, 0, 0, 0, 0, 0, 0,

  // e_phoff

  0, 0, 0, 0, 0, 0, 0, 0,

  // e_shoff: starts right after file header

  64, 0, 0, 0, 0, 0, 0, 0,

  // e_flags

  0, 0, 0, 0,

  // e_ehsize

  64, 0,

  // e_phentsize

  56, 0,

  // e_phnum

  0, 0,

  // e_shentsize

  64, 0,

  // e_shnum: dummy, .test, .symtab, .strtab, .shstrtab

  5, 0,

  // e_shstrndx

  4, 0,

  // Offset 64

  // Shdr 0: dummy entry

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  // Offset 128

  // Shdr 1: .test

  // sh_name: after initial null

  1, 0, 0, 0,

  // sh_type: SHT_PROGBITS

  1, 0, 0, 0,

  // sh_flags: SHF_ALLOC

  2, 0, 0, 0, 0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0, 0, 0, 0, 0,

  // sh_offset: after file header + 5 section headers.  384 == 0x180.

  0x80, 0x1, 0, 0, 0, 0, 0, 0,

  // sh_size

  0, 0, 0, 0, 0, 0, 0, 0,

  // sh_link

  0, 0, 0, 0,

  // sh_info

  0, 0, 0, 0,

  // sh_addralign

  1, 0, 0, 0, 0, 0, 0, 0,

  // sh_entsize

  0, 0, 0, 0, 0, 0, 0, 0,

  // Offset 192

  // Shdr 2: .symtab

  // sh_name: 1 null byte + ".test\0"

  7, 0, 0, 0,

  // sh_type: SHT_SYMTAB

  2, 0, 0, 0,

  // sh_flags

  0, 0, 0, 0, 0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0, 0, 0, 0, 0,

  // sh_offset: after file header + 5 section headers + empty section

  // 384 == 0x180.

  0x80, 0x1, 0, 0, 0, 0, 0, 0,

  // sh_size: two symbols: dummy symbol + test symbol

  48, 0, 0, 0, 0, 0, 0, 0,

  // sh_link: to .strtab

  3, 0, 0, 0,

  // sh_info: one local symbol, the dummy symbol

  1, 0, 0, 0,

  // sh_addralign

  8, 0, 0, 0, 0, 0, 0, 0,

  // sh_entsize: size of symbol

  24, 0, 0, 0, 0, 0, 0, 0,

  // Offset 256

  // Shdr 3: .strtab

  // sh_name: 1 null byte + ".test\0" + ".symtab\0"

  15, 0, 0, 0,

  // sh_type: SHT_STRTAB

  3, 0, 0, 0,

  // sh_flags

  0, 0, 0, 0, 0, 0, 0, 0,

  // sh_addr

  0, 0, 0, 0, 0, 0, 0, 0,

  // sh_offset: after .symtab section.  432 == 0x1b0

  0xb0, 0x1, 0, 0, 0, 0, 0, 0,

  // sh_size: 1 null byte + "test\0"

  6, 0, 0, 0, 0, 0, 0, 0,

  // sh_link

  0, 0, 0, 0,