CCFILES = \
archive.cc \
+ binary.cc \
common.cc \
compressed_output.cc \
defstd.cc \
HFILES = \
archive.h \
+ binary.h \
common.h \
compressed_output.h \
defstd.h \
ARFLAGS = cru
libgold_a_AR = $(AR) $(ARFLAGS)
libgold_a_LIBADD =
-am__objects_1 = archive.$(OBJEXT) common.$(OBJEXT) \
+am__objects_1 = archive.$(OBJEXT) binary.$(OBJEXT) common.$(OBJEXT) \
compressed_output.$(OBJEXT) defstd.$(OBJEXT) \
dirsearch.$(OBJEXT) dynobj.$(OBJEXT) dwarf_reader.$(OBJEXT) \
ehframe.$(OBJEXT) errors.$(OBJEXT) expression.$(OBJEXT) \
noinst_LIBRARIES = libgold.a
CCFILES = \
archive.cc \
+ binary.cc \
common.cc \
compressed_output.cc \
defstd.cc \
HFILES = \
archive.h \
+ binary.h \
common.h \
compressed_output.h \
defstd.h \
@AMDEP_TRUE@@am__include@ @am__quote@$(DEPDIR)/pread.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/archive.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/binary.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/common.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/compressed_output.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/defstd.Po@am__quote@
--- /dev/null
+// binary.cc -- binary input files for gold
+
+// Copyright 2008 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 <cerrno>
+#include <cstring>
+#include "safe-ctype.h"
+
+#include "elfcpp.h"
+#include "stringpool.h"
+#include "fileread.h"
+#include "output.h"
+#include "binary.h"
+
+// Support for reading binary files as input. These become blobs in
+// the final output. These files are treated as though they have a
+// single .data section and define three symbols:
+// _binary_FILENAME_start, _binary_FILENAME_end, _binary_FILENAME_end.
+// The FILENAME is the name of the input file, with any
+// non-alphanumeric character changed to an underscore.
+
+// We implement this by creating an ELF file in memory.
+
+namespace gold
+{
+
+// class Binary_to_elf.
+
+Binary_to_elf::Binary_to_elf(elfcpp::EM machine, int size, bool big_endian,
+ const std::string& filename)
+ : elf_machine_(machine), size_(size), big_endian_(big_endian),
+ filename_(filename), data_(NULL), filesize_(0)
+{
+}
+
+Binary_to_elf::~Binary_to_elf()
+{
+ if (this->data_ != NULL)
+ delete[] this->data_;
+}
+
+// Given FILENAME, create a buffer which looks like an ELF file with
+// the contents of FILENAME as the contents of the only section. The
+// TASK parameters is mainly for debugging, and records who holds
+// locks.
+
+bool
+Binary_to_elf::convert(const Task* task)
+{
+ if (this->size_ == 32)
+ {
+ if (!this->big_endian_)
+ {
+#ifdef HAVE_TARGET_32_LITTLE
+ return this->sized_convert<32, false>(task);
+#else
+ gold_unreachable();
+#endif
+ }
+ else
+ {
+#ifdef HAVE_TARGET_32_BIG
+ return this->sized_convert<32, true>(task);
+#else
+ gold_unreachable();
+#endif
+ }
+ }
+ else if (this->size_ == 64)
+ {
+ if (!this->big_endian_)
+ {
+#ifdef HAVE_TARGET_64_LITTLE
+ return this->sized_convert<64, false>(task);
+#else
+ gold_unreachable();
+#endif
+ }
+ else
+ {
+#ifdef HAVE_TARGET_64_BIG
+ return this->sized_convert<64, true>(task);
+#else
+ gold_unreachable();
+#endif
+ }
+ }
+ else
+ gold_unreachable();
+}
+
+// We are going to create:
+// * The ELF file header.
+// * Five sections: null section, .data, .symtab, .strtab, .shstrtab
+// * The contents of the file.
+// * Four symbols: null, begin, end, size.
+// * Three symbol names.
+// * Four section names.
+
+template<int size, bool big_endian>
+bool
+Binary_to_elf::sized_convert(const Task* task)
+{
+ // Read the input file.
+
+ File_read f;
+ if (!f.open(task, this->filename_))
+ {
+ gold_error(_("cannot open %s: %s:"), this->filename_.c_str(),
+ strerror(errno));
+ return false;
+ }
+
+ section_size_type filesize = convert_to_section_size_type(f.filesize());
+ const unsigned char* fileview = f.get_view(0, filesize, false);
+
+ unsigned int align;
+ if (size == 32)
+ align = 4;
+ else if (size == 64)
+ align = 8;
+ else
+ gold_unreachable();
+ section_size_type aligned_filesize = align_address(filesize, align);
+
+ // Build the stringpool for the symbol table.
+
+ std::string mangled_name = this->filename_;
+ for (std::string::iterator p = mangled_name.begin();
+ p != mangled_name.end();
+ ++p)
+ if (!ISALNUM(*p))
+ *p = '_';
+ mangled_name = "_binary_" + mangled_name;
+ std::string start_symbol_name = mangled_name + "_start";
+ std::string end_symbol_name = mangled_name + "_end";
+ std::string size_symbol_name = mangled_name + "_size";
+
+ Stringpool strtab;
+ strtab.add(start_symbol_name.c_str(), false, NULL);
+ strtab.add(end_symbol_name.c_str(), false, NULL);
+ strtab.add(size_symbol_name.c_str(), false, NULL);
+ strtab.set_string_offsets();
+
+ // Build the stringpool for the section name table.
+
+ Stringpool shstrtab;
+ shstrtab.add(".data", false, NULL);
+ shstrtab.add(".symtab", false, NULL);
+ shstrtab.add(".strtab", false, NULL);
+ shstrtab.add(".shstrtab", false, NULL);
+ shstrtab.set_string_offsets();
+
+ // Work out the size of the generated file, and the offsets of the
+ // various sections, and allocate a buffer.
+
+ const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
+
+ size_t output_size = (elfcpp::Elf_sizes<size>::ehdr_size
+ + 5 * elfcpp::Elf_sizes<size>::shdr_size);
+ size_t data_offset = output_size;
+ output_size += aligned_filesize;
+ size_t symtab_offset = output_size;
+ output_size += 4 * sym_size;
+ size_t strtab_offset = output_size;
+ output_size += strtab.get_strtab_size();
+ size_t shstrtab_offset = output_size;
+ output_size += shstrtab.get_strtab_size();
+
+ unsigned char* buffer = new unsigned char[output_size];
+
+ // Write out the data.
+
+ unsigned char* pout = buffer;
+
+ this->write_file_header<size, big_endian>(&pout);
+
+ this->write_section_header<size, big_endian>("", &shstrtab, elfcpp::SHT_NULL,
+ 0, 0, 0, 0, 0,
+ 0, 0, &pout);
+ // Having the section be named ".data" and having it be writable is
+ // because th GNU linker does it that way, and existing linker
+ // script expect it.
+ this->write_section_header<size, big_endian>(".data", &shstrtab,
+ elfcpp::SHT_PROGBITS,
+ (elfcpp::SHF_ALLOC
+ | elfcpp::SHF_WRITE),
+ data_offset,
+ filesize, 0, 0,
+ align, 0, &pout);
+ this->write_section_header<size, big_endian>(".symtab", &shstrtab,
+ elfcpp::SHT_SYMTAB,
+ 0, symtab_offset, 4 * sym_size,
+ 3, 1, align, sym_size, &pout);
+ this->write_section_header<size, big_endian>(".strtab", &shstrtab,
+ elfcpp::SHT_STRTAB,
+ 0, strtab_offset,
+ strtab.get_strtab_size(),
+ 0, 0, 1, 0, &pout);
+ this->write_section_header<size, big_endian>(".shstrtab", &shstrtab,
+ elfcpp::SHT_STRTAB,
+ 0, shstrtab_offset,
+ shstrtab.get_strtab_size(),
+ 0, 0, 1, 0, &pout);
+
+ memcpy(pout, fileview, filesize);
+ pout += filesize;
+ memset(pout, 0, aligned_filesize - filesize);
+ pout += aligned_filesize - filesize;
+
+ this->write_symbol<size, big_endian>("", &strtab, 0, 0, &pout);
+ this->write_symbol<size, big_endian>(start_symbol_name, &strtab, 0, 1,
+ &pout);
+ this->write_symbol<size, big_endian>(end_symbol_name, &strtab, filesize, 1,
+ &pout);
+ this->write_symbol<size, big_endian>(size_symbol_name, &strtab, filesize,
+ elfcpp::SHN_ABS, &pout);
+
+ strtab.write_to_buffer(pout, strtab.get_strtab_size());
+ pout += strtab.get_strtab_size();
+
+ shstrtab.write_to_buffer(pout, shstrtab.get_strtab_size());
+ pout += shstrtab.get_strtab_size();
+
+ gold_assert(static_cast<size_t>(pout - buffer) == output_size);
+
+ this->data_ = buffer;
+ this->filesize_ = output_size;
+
+ f.unlock(task);
+
+ return true;
+}
+
+// Write out the file header.
+
+template<int size, bool big_endian>
+void
+Binary_to_elf::write_file_header(unsigned char** ppout)
+{
+ elfcpp::Ehdr_write<size, big_endian> oehdr(*ppout);
+
+ unsigned char e_ident[elfcpp::EI_NIDENT];
+ memset(e_ident, 0, elfcpp::EI_NIDENT);
+ e_ident[elfcpp::EI_MAG0] = elfcpp::ELFMAG0;
+ e_ident[elfcpp::EI_MAG1] = elfcpp::ELFMAG1;
+ e_ident[elfcpp::EI_MAG2] = elfcpp::ELFMAG2;
+ e_ident[elfcpp::EI_MAG3] = elfcpp::ELFMAG3;
+ if (size == 32)
+ e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS32;
+ else if (size == 64)
+ e_ident[elfcpp::EI_CLASS] = elfcpp::ELFCLASS64;
+ else
+ gold_unreachable();
+ e_ident[elfcpp::EI_DATA] = (big_endian
+ ? elfcpp::ELFDATA2MSB
+ : elfcpp::ELFDATA2LSB);
+ e_ident[elfcpp::EI_VERSION] = elfcpp::EV_CURRENT;
+ oehdr.put_e_ident(e_ident);
+
+ oehdr.put_e_type(elfcpp::ET_REL);
+ oehdr.put_e_machine(this->elf_machine_);
+ oehdr.put_e_version(elfcpp::EV_CURRENT);
+ oehdr.put_e_entry(0);
+ oehdr.put_e_phoff(0);
+ oehdr.put_e_shoff(elfcpp::Elf_sizes<size>::ehdr_size);
+ oehdr.put_e_flags(0);
+ oehdr.put_e_ehsize(elfcpp::Elf_sizes<size>::ehdr_size);
+ oehdr.put_e_phentsize(0);
+ oehdr.put_e_phnum(0);
+ oehdr.put_e_shentsize(elfcpp::Elf_sizes<size>::shdr_size);
+ oehdr.put_e_shnum(5);
+ oehdr.put_e_shstrndx(4);
+
+ *ppout += elfcpp::Elf_sizes<size>::ehdr_size;
+}
+
+// Write out a section header.
+
+template<int size, bool big_endian>
+void
+Binary_to_elf::write_section_header(
+ const char* name,
+ const Stringpool* shstrtab,
+ elfcpp::SHT type,
+ unsigned int flags,
+ section_size_type offset,
+ section_size_type section_size,
+ unsigned int link,
+ unsigned int info,
+ unsigned int addralign,
+ unsigned int entsize,
+ unsigned char** ppout)
+{
+ elfcpp::Shdr_write<size, big_endian> oshdr(*ppout);
+
+ oshdr.put_sh_name(*name == '\0' ? 0 : shstrtab->get_offset(name));
+ oshdr.put_sh_type(type);
+ oshdr.put_sh_flags(flags);
+ oshdr.put_sh_addr(0);
+ oshdr.put_sh_offset(offset);
+ oshdr.put_sh_size(section_size);
+ oshdr.put_sh_link(link);
+ oshdr.put_sh_info(info);
+ oshdr.put_sh_addralign(addralign);
+ oshdr.put_sh_entsize(entsize);
+
+ *ppout += elfcpp::Elf_sizes<size>::shdr_size;
+}
+
+// Write out a symbol.
+
+template<int size, bool big_endian>
+void
+Binary_to_elf::write_symbol(
+ const std::string& name,
+ const Stringpool* strtab,
+ section_size_type value,
+ unsigned int shndx,
+ unsigned char** ppout)
+{
+ unsigned char* pout = *ppout;
+
+ elfcpp::Sym_write<size, big_endian> osym(pout);
+ osym.put_st_name(name.empty() ? 0 : strtab->get_offset(name.c_str()));
+ osym.put_st_value(value);
+ osym.put_st_size(0);
+ osym.put_st_info(name.empty() ? elfcpp::STB_LOCAL : elfcpp::STB_GLOBAL,
+ elfcpp::STT_NOTYPE);
+ osym.put_st_other(elfcpp::STV_DEFAULT, 0);
+ osym.put_st_shndx(shndx);
+
+ *ppout += elfcpp::Elf_sizes<size>::sym_size;
+}
+
+} // End namespace gold.
--- /dev/null
+// binary.h -- binary input files for gold -*- C++ -*-
+
+// Copyright 2008 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.
+
+// Support binary input files by making them look like an ELF file.
+
+#ifndef GOLD_BINARY_H
+#define GOLD_BINARY_H
+
+#include <string>
+
+#include "elfcpp.h"
+
+namespace gold
+{
+
+class Task;
+
+template<typename Stringpool_char>
+class Stringpool_template;
+
+// This class takes a file name and creates a buffer which looks like
+// an ELF file read into memory.
+
+class Binary_to_elf
+{
+ public:
+ Binary_to_elf(elfcpp::EM machine, int size, bool big_endian,
+ const std::string& filename);
+
+ ~Binary_to_elf();
+
+ // Read contents and create an ELF buffer. Return true if this
+ // succeeds, false otherwise.
+ bool
+ convert(const Task*);
+
+ // Return a pointer to the contents of the ELF file.
+ const unsigned char*
+ converted_data() const
+ { return this->data_; }
+
+ // Return a pointer to the contents of the ELF file and let the
+ // caller take charge of it. It was allocated using new[].
+ unsigned char*
+ converted_data_leak()
+ {
+ unsigned char* ret = this->data_;
+ this->data_ = NULL;
+ return ret;
+ }
+
+ // Return the size of the ELF file.
+ size_t
+ converted_size() const
+ { return this->filesize_; }
+
+ private:
+ Binary_to_elf(const Binary_to_elf&);
+ Binary_to_elf& operator=(const Binary_to_elf&);
+
+ template<int size, bool big_endian>
+ bool
+ sized_convert(const Task*);
+
+ template<int size, bool big_endian>
+ void
+ write_file_header(unsigned char**);
+
+ template<int size, bool big_endian>
+ void
+ write_section_header(const char*, const Stringpool_template<char>*,
+ elfcpp::SHT, unsigned int, section_size_type,
+ section_size_type, unsigned int, unsigned int,
+ unsigned int, unsigned int, unsigned char**);
+
+ template<int size, bool big_endian>
+ void
+ write_symbol(const std::string&, const Stringpool_template<char>*,
+ section_size_type, unsigned int, unsigned char**);
+
+ // The ELF machine code of the file to create.
+ elfcpp::EM elf_machine_;
+ // The size of the file to create, 32 or 64.
+ int size_;
+ // Whether to create a big endian file.
+ bool big_endian_;
+ // The name of the file to read.
+ std::string filename_;
+ // The ELF file data, allocated by new [].
+ unsigned char* data_;
+ // The ELF file size.
+ section_size_type filesize_;
+};
+
+} // End namespace gold.
+
+#endif // !defined(GOLD_BINARY_H)
#include <sys/uio.h>
#include "filenames.h"
+#include "parameters.h"
#include "options.h"
#include "dirsearch.h"
+#include "target.h"
+#include "binary.h"
#include "fileread.h"
namespace gold
return this->descriptor_ >= 0;
}
-// Open the file for testing purposes.
+// Open the file with the contents in memory.
bool
File_read::open(const Task* task, const std::string& name,
}
// Now that we've figured out where the file lives, try to open it.
- if (!this->file_.open(task, name))
+
+ General_options::Object_format format =
+ this->input_argument_->options().input_format();
+ bool ok;
+ if (format == General_options::OBJECT_FORMAT_ELF)
+ ok = this->file_.open(task, name);
+ else
+ {
+ gold_assert(format == General_options::OBJECT_FORMAT_BINARY);
+ ok = this->open_binary(task, name);
+ }
+
+ if (!ok)
{
gold_error(_("cannot open %s: %s"),
name.c_str(), strerror(errno));
return true;
}
+// Open a file for --format binary.
+
+bool
+Input_file::open_binary(const Task* task, const std::string& name)
+{
+ // In order to open a binary file, we need machine code, size, and
+ // endianness. If we have a target already, use it, otherwise use
+ // the defaults.
+ elfcpp::EM machine;
+ int size;
+ bool big_endian;
+ if (parameters->is_target_valid())
+ {
+ Target* target = parameters->target();
+ machine = target->machine_code();
+ size = target->get_size();
+ big_endian = target->is_big_endian();
+ }
+ else
+ {
+ machine = elfcpp::GOLD_DEFAULT_MACHINE;
+ size = GOLD_DEFAULT_SIZE;
+ big_endian = GOLD_DEFAULT_BIG_ENDIAN;
+ }
+
+ Binary_to_elf binary_to_elf(machine, size, big_endian, name);
+ if (!binary_to_elf.convert(task))
+ return false;
+ return this->file_.open(task, name, binary_to_elf.converted_data_leak(),
+ binary_to_elf.converted_size());
+}
+
} // End namespace gold.
Input_file(const Input_file&);
Input_file& operator=(const Input_file&);
+ // Open a binary file.
+ bool
+ open_binary(const Task* task, const std::string& name);
+
// The argument from the command line.
const Input_file_argument* input_argument_;
// The name under which we opened the file. This is like the name
gold_error(_("cannot mix -r with dynamic object %s"),
(*input_objects->dynobj_begin())->name().c_str());
if (!doing_static_link
- && options.output_format() != General_options::OUTPUT_FORMAT_ELF)
+ && options.output_format() != General_options::OBJECT_FORMAT_ELF)
gold_fatal(_("cannot use non-ELF output format with dynamic object %s"),
(*input_objects->dynobj_begin())->name().c_str());
// Now we know the final size of the output file and we know where
// each piece of information goes.
Output_file* of = new Output_file(parameters->output_file_name());
- if (this->options_.output_format() != General_options::OUTPUT_FORMAT_ELF)
+ if (this->options_.output_format() != General_options::OBJECT_FORMAT_ELF)
of->set_is_temporary();
of->open(file_size);
else
load_seg = this->find_first_load_seg();
- if (this->options_.output_format() != General_options::OUTPUT_FORMAT_ELF)
+ if (this->options_.output_format() != General_options::OBJECT_FORMAT_ELF)
load_seg = NULL;
gold_assert(phdr_seg == NULL || load_seg != NULL);
Layout::write_binary(Output_file* in) const
{
gold_assert(this->options_.output_format()
- == General_options::OUTPUT_FORMAT_BINARY);
+ == General_options::OBJECT_FORMAT_BINARY);
// Get the size of the binary file.
uint64_t max_load_address = 0;
Close_task_runner::run(Workqueue*, const Task*)
{
// If we've been asked to create a binary file, we do so here.
- if (this->options_->output_format() != General_options::OUTPUT_FORMAT_ELF)
+ if (this->options_->output_format() != General_options::OBJECT_FORMAT_ELF)
this->layout_->write_binary(this->of_);
this->of_->close();
namespace
{
+// Recognize input and output target names. The GNU linker accepts
+// these with --format and --oformat. This code is intended to be
+// minimally compatible. In practice for an ELF target this would be
+// the same target as the input files; that name always start with
+// "elf". Non-ELF targets would be "srec", "symbolsrec", "tekhex",
+// "binary", "ihex".
+
+gold::General_options::Object_format
+string_to_object_format(const char* arg)
+{
+ if (strncmp(arg, "elf", 3) == 0)
+ return gold::General_options::OBJECT_FORMAT_ELF;
+ else if (strcmp(arg, "binary") == 0)
+ return gold::General_options::OBJECT_FORMAT_BINARY;
+ else
+ {
+ gold::gold_error(_("format '%s' not supported "
+ "(supported formats: elf, binary)"),
+ arg);
+ return gold::General_options::OBJECT_FORMAT_ELF;
+ }
+}
+
// Handle the special -l option, which adds an input file.
int
&Position_dependent_options::set_static_search),
GENERAL_NOARG('\0', "Bsymbolic", N_("Bind defined symbols locally"),
NULL, ONE_DASH, &General_options::set_symbolic),
+ POSDEP_ARG('b', "format", N_("Set input format (elf, binary)"),
+ N_("-b FORMAT, --format FORMAT"), TWO_DASHES,
+ &Position_dependent_options::set_input_format),
#ifdef HAVE_ZLIB_H
# define ZLIB_STR ",zlib"
#else
search_path_(),
optimization_level_(0),
output_file_name_("a.out"),
- output_format_(OUTPUT_FORMAT_ELF),
+ output_format_(OBJECT_FORMAT_ELF),
is_relocatable_(false),
strip_(STRIP_NONE),
allow_shlib_undefined_(false),
this->script_options_->define_symbol(arg);
}
-// Handle the --oformat option. The GNU linker accepts a target name
-// with --oformat. In practice for an ELF target this would be the
-// same target as the input files. That name always start with "elf".
-// Non-ELF targets would be "srec", "symbolsrec", "tekhex", "binary",
-// "ihex".
+// Handle the --oformat option.
void
General_options::set_output_format(const char* arg)
{
- if (strncmp(arg, "elf", 3) == 0)
- this->output_format_ = OUTPUT_FORMAT_ELF;
- else if (strcmp(arg, "binary") == 0)
- this->output_format_ = OUTPUT_FORMAT_BINARY;
- else
- gold_error(_("format '%s' not supported (supported formats: elf, binary)"),
- arg);
+ this->output_format_ = string_to_object_format(arg);
}
// Handle the -z option.
Position_dependent_options::Position_dependent_options()
: do_static_search_(false),
as_needed_(false),
- include_whole_archive_(false)
+ include_whole_archive_(false),
+ input_format_(General_options::OBJECT_FORMAT_ELF)
+{
+}
+
+// Set the input format.
+
+void
+Position_dependent_options::set_input_format(const char* arg)
{
+ this->input_format_ = string_to_object_format(arg);
}
// Search_directory methods.
if (this->options_.is_shared() && this->options_.is_relocatable())
gold_fatal(_("-shared and -r are incompatible"));
- if (this->options_.output_format() != General_options::OUTPUT_FORMAT_ELF
+ if (this->options_.output_format() != General_options::OBJECT_FORMAT_ELF
&& (this->options_.is_shared() || this->options_.is_relocatable()))
gold_fatal(_("binary output format not compatible with -shared or -r"));
class General_options
{
public:
+ enum Object_format
+ {
+ // Ordinary ELF.
+ OBJECT_FORMAT_ELF,
+ // Straight binary format.
+ OBJECT_FORMAT_BINARY
+ };
+
General_options(Script_options*);
// -e: set entry address.
// --oformat: Output format.
- enum Output_format
- {
- // Ordinary ELF.
- OUTPUT_FORMAT_ELF,
- // Straight binary format.
- OUTPUT_FORMAT_BINARY
- };
-
- Output_format
+ Object_format
output_format() const
{ return this->output_format_; }
Dir_list search_path_;
int optimization_level_;
const char* output_file_name_;
- Output_format output_format_;
+ Object_format output_format_;
bool is_relocatable_;
Strip strip_;
bool allow_shlib_undefined_;
class Position_dependent_options
{
public:
+ typedef General_options::Object_format Object_format;
+
Position_dependent_options();
// -Bdynamic/-Bstatic: Whether we are searching for a static archive
include_whole_archive() const
{ return this->include_whole_archive_; }
+ // --format: The format of the input file.
+ Object_format
+ input_format() const
+ { return this->input_format_; }
+
void
set_static_search()
{ this->do_static_search_ = true; }
clear_whole_archive()
{ this->include_whole_archive_ = false; }
+ void
+ set_input_format(const char*);
+
private:
bool do_static_search_;
bool as_needed_;
bool include_whole_archive_;
+ Object_format input_format_;
};
// A single file or library argument from the command line.
check_PROGRAMS += object_unittest
object_unittest_SOURCES = object_unittest.cc
+check_PROGRAMS += binary_unittest
+binary_unittest_SOURCES = binary_unittest.cc
+
# ---------------------------------------------------------------------
# These tests test the output of gold (end-to-end tests). In
justsyms_2r.o: justsyms_2.o gcctestdir/ld
gcctestdir/ld -o $@ -r -T $(srcdir)/justsyms.t justsyms_2.o
+check_PROGRAMS += binary_test
+binary_test_SOURCES = binary_test.cc
+binary_test_DEPENDENCIES = gcctestdir/ld binary.txt
+binary_test_LDFLAGS = -Bgcctestdir/ -Wl,--format,binary,binary.txt,--format,elf
+# Copy the file to the build directory to avoid worrying about the
+# full pathname in the generated symbols.
+binary.txt: $(srcdir)/binary.in
+ rm -f $@
+ $(LN_S) $< $@
+
if OBJDUMP_AND_CPPFILT
check_SCRIPTS += ver_matching_test.sh
check_DATA += ver_matching_test.stdout
build_triplet = @build@
host_triplet = @host@
target_triplet = @target@
-check_PROGRAMS = object_unittest$(EXEEXT) $(am__EXEEXT_1) \
- $(am__EXEEXT_2) $(am__EXEEXT_3) $(am__EXEEXT_4) \
- $(am__EXEEXT_5) $(am__EXEEXT_6) $(am__EXEEXT_7) \
- $(am__EXEEXT_8)
+check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
+ $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
+ $(am__EXEEXT_4) $(am__EXEEXT_5) $(am__EXEEXT_6) \
+ $(am__EXEEXT_7) $(am__EXEEXT_8)
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_1 = basic_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ basic_static_test basic_pic_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ basic_static_pic_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ flagstest_o_specialfile \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ flagstest_o_specialfile_and_compress_debug_sections \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test script_test_1 \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2 justsyms
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2 justsyms \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test
@GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
@GCC_FALSE@ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
@GCC_FALSE@ $(am__DEPENDENCIES_1)
@NATIVE_LINKER_FALSE@ ../libgold.a ../../libiberty/libiberty.a \
@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1) \
@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1)
+@GCC_FALSE@binary_test_DEPENDENCIES = libgoldtest.a ../libgold.a \
+@GCC_FALSE@ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
+@GCC_FALSE@ $(am__DEPENDENCIES_1)
+@NATIVE_LINKER_FALSE@binary_test_DEPENDENCIES = libgoldtest.a \
+@NATIVE_LINKER_FALSE@ ../libgold.a ../../libiberty/libiberty.a \
+@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1) \
+@NATIVE_LINKER_FALSE@ $(am__DEPENDENCIES_1)
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_11 = ver_matching_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ script_test_3.sh
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__append_12 = ver_matching_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2$(EXEEXT) \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms$(EXEEXT)
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test$(EXEEXT)
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@am__EXEEXT_8 = script_test_3$(EXEEXT)
basic_pic_test_SOURCES = basic_pic_test.c
basic_pic_test_OBJECTS = basic_pic_test.$(OBJEXT)
basic_test_DEPENDENCIES = libgoldtest.a ../libgold.a \
../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
$(am__DEPENDENCIES_1)
+am__binary_test_SOURCES_DIST = binary_test.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am_binary_test_OBJECTS = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test.$(OBJEXT)
+binary_test_OBJECTS = $(am_binary_test_OBJECTS)
+binary_test_LDADD = $(LDADD)
+am_binary_unittest_OBJECTS = binary_unittest.$(OBJEXT)
+binary_unittest_OBJECTS = $(am_binary_unittest_OBJECTS)
+binary_unittest_LDADD = $(LDADD)
+binary_unittest_DEPENDENCIES = libgoldtest.a ../libgold.a \
+ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
+ $(am__DEPENDENCIES_1)
am__constructor_static_test_SOURCES_DIST = constructor_test.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__objects_1 = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ constructor_test.$(OBJEXT)
-o $@
SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
basic_static_pic_test.c basic_static_test.c basic_test.c \
+ $(binary_test_SOURCES) $(binary_unittest_SOURCES) \
$(constructor_static_test_SOURCES) $(constructor_test_SOURCES) \
$(exception_same_shared_test_SOURCES) \
$(exception_separate_shared_12_test_SOURCES) \
$(ver_test_SOURCES) $(weak_test_SOURCES)
DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
basic_static_pic_test.c basic_static_test.c basic_test.c \
+ $(am__binary_test_SOURCES_DIST) $(binary_unittest_SOURCES) \
$(am__constructor_static_test_SOURCES_DIST) \
$(am__constructor_test_SOURCES_DIST) \
$(am__exception_same_shared_test_SOURCES_DIST) \
$(THREADSLIB)
object_unittest_SOURCES = object_unittest.cc
+binary_unittest_SOURCES = binary_unittest.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@constructor_test_SOURCES = constructor_test.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@constructor_test_DEPENDENCIES = gcctestdir/ld
@GCC_TRUE@@NATIVE_LINKER_TRUE@constructor_test_LDFLAGS = -Bgcctestdir/
@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_SOURCES = justsyms_1.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_DEPENDENCIES = gcctestdir/ld justsyms_2r.o
@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_LDFLAGS = -Bgcctestdir/ -Wl,-R,justsyms_2r.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@binary_test_SOURCES = binary_test.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@binary_test_DEPENDENCIES = gcctestdir/ld binary.txt
+@GCC_TRUE@@NATIVE_LINKER_TRUE@binary_test_LDFLAGS = -Bgcctestdir/ -Wl,--format,binary,binary.txt,--format,elf
all: all-am
.SUFFIXES:
@NATIVE_LINKER_FALSE@basic_test$(EXEEXT): $(basic_test_OBJECTS) $(basic_test_DEPENDENCIES)
@NATIVE_LINKER_FALSE@ @rm -f basic_test$(EXEEXT)
@NATIVE_LINKER_FALSE@ $(LINK) $(basic_test_LDFLAGS) $(basic_test_OBJECTS) $(basic_test_LDADD) $(LIBS)
+binary_test$(EXEEXT): $(binary_test_OBJECTS) $(binary_test_DEPENDENCIES)
+ @rm -f binary_test$(EXEEXT)
+ $(CXXLINK) $(binary_test_LDFLAGS) $(binary_test_OBJECTS) $(binary_test_LDADD) $(LIBS)
+binary_unittest$(EXEEXT): $(binary_unittest_OBJECTS) $(binary_unittest_DEPENDENCIES)
+ @rm -f binary_unittest$(EXEEXT)
+ $(CXXLINK) $(binary_unittest_LDFLAGS) $(binary_unittest_OBJECTS) $(binary_unittest_LDADD) $(LIBS)
constructor_static_test$(EXEEXT): $(constructor_static_test_OBJECTS) $(constructor_static_test_DEPENDENCIES)
@rm -f constructor_static_test$(EXEEXT)
$(CXXLINK) $(constructor_static_test_LDFLAGS) $(constructor_static_test_OBJECTS) $(constructor_static_test_LDADD) $(LIBS)
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basic_static_pic_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basic_static_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basic_test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/binary_test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/binary_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/constructor_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_2.Po@am__quote@
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_2r.o: justsyms_2.o gcctestdir/ld
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gcctestdir/ld -o $@ -r -T $(srcdir)/justsyms.t justsyms_2.o
+# Copy the file to the build directory to avoid worrying about the
+# full pathname in the generated symbols.
+@GCC_TRUE@@NATIVE_LINKER_TRUE@binary.txt: $(srcdir)/binary.in
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LN_S) $< $@
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ver_matching_def.so: ver_matching_def.cc gcctestdir/ld
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ $(CXXLINK) -O0 -Bgcctestdir/ -shared $(srcdir)/ver_matching_def.cc -Wl,--version-script=$(srcdir)/version_script.map
@GCC_TRUE@@NATIVE_LINKER_TRUE@@OBJDUMP_AND_CPPFILT_TRUE@ver_matching_test.stdout: ver_matching_def.so
--- /dev/null
+This file is used for the binary test.
--- /dev/null
+// binary_test.cc -- test --format binary for gold
+
+// Copyright 2008 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.
+
+// This program is linked with a small text file named binary.txt
+// using --formatbinary.
+
+#include <cassert>
+#include <cstddef>
+#include <cstring>
+#include <stdint.h>
+
+extern char _binary_binary_txt_start[];
+extern char _binary_binary_txt_end[];
+extern char _binary_binary_txt_size[];
+
+int
+main(int, char**)
+{
+ int size = reinterpret_cast<uintptr_t>(_binary_binary_txt_size);
+ assert(size == _binary_binary_txt_end - _binary_binary_txt_start);
+
+ const char* const txt = "This file is used for the binary test.\n";
+ assert(strncmp(txt, _binary_binary_txt_start, size) == 0);
+ assert(static_cast<size_t>(size) == strlen(txt));
+
+ return 0;
+}
--- /dev/null
+// binary_unittest.cc -- test Binary_to_elf
+
+// Copyright 2008 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 <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "elfcpp.h"
+#include "parameters.h"
+#include "errors.h"
+#include "options.h"
+#include "binary.h"
+#include "object.h"
+
+#include "test.h"
+#include "testfile.h"
+
+namespace gold_testsuite
+{
+
+using namespace gold;
+
+template<int size, bool big_endian>
+bool
+Sized_binary_test(Target* target)
+{
+ // We need a pretend Task.
+ const Task* task = reinterpret_cast<const Task*>(-1);
+
+ // Use the executable itself as the binary data.
+ struct stat st;
+ CHECK(::stat(gold::program_name, &st) == 0);
+ int o = ::open(gold::program_name, O_RDONLY);
+ CHECK(o >= 0);
+ unsigned char* filedata = new unsigned char[st.st_size];
+ CHECK(::read(o, filedata, st.st_size) == st.st_size);
+ CHECK(::close(o) == 0);
+
+ Binary_to_elf binary(static_cast<elfcpp::EM>(0xffff), size, big_endian,
+ gold::program_name);
+
+ CHECK(binary.convert(task));
+
+ Input_file input_file(task, "test.o", binary.converted_data(),
+ binary.converted_size());
+ Object* object = make_elf_object("test.o", &input_file, 0,
+ binary.converted_data(),
+ binary.converted_size());
+ CHECK(object != NULL);
+ if (object == NULL)
+ return false;
+
+ CHECK(!object->is_dynamic());
+ CHECK(object->target() == target);
+ CHECK(object->shnum() == 5);
+ CHECK(object->section_name(1) == ".data");
+ CHECK(object->section_flags(1) == elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE);
+ section_size_type len;
+ const unsigned char* contents = object->section_contents(1, &len, false);
+ CHECK(len == st.st_size);
+ CHECK(memcmp(filedata, contents, len) == 0);
+
+ // Force the symbols to be read internally, so that
+ // symbol_section_and_value will work.
+ Read_symbols_data sd;
+ object->read_symbols(&sd);
+ delete sd.section_headers;
+ delete sd.section_names;
+ delete sd.symbols;
+ delete sd.symbol_names;
+
+ Sized_relobj<size, big_endian>* relobj =
+ static_cast<Sized_relobj<size, big_endian>*>(object);
+ typename Sized_relobj<size, big_endian>::Address value;
+ CHECK(relobj->symbol_section_and_value(0, &value) == 0);
+ CHECK(value == 0);
+ CHECK(relobj->symbol_section_and_value(1, &value) == 1);
+ CHECK(value == 0);
+ CHECK(relobj->symbol_section_and_value(2, &value) == 1);
+ CHECK(static_cast<off_t>(value) == st.st_size);
+ CHECK(relobj->symbol_section_and_value(3, &value) == elfcpp::SHN_ABS);
+ CHECK(static_cast<off_t>(value) == st.st_size);
+
+ object->unlock(task);
+ return true;
+}
+
+bool
+Binary_test(Test_report*)
+{
+ Errors errors(gold::program_name);
+ initialize_parameters(&errors);
+
+ Script_options script_options;
+ General_options options(&script_options);
+ set_parameters_from_options(&options);
+
+ int fail = 0;
+
+#ifdef HAVE_TARGET_32_LITTLE
+ if (!Sized_binary_test<32, false>(target_test_pointer_32_little))
+ ++fail;
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+ if (!Sized_binary_test<32, true>(target_test_pointer_32_big))
+ ++fail;
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+ if (!Sized_binary_test<64, false>(target_test_pointer_64_little))
+ ++fail;
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+ if (!Sized_binary_test<64, true>(target_test_pointer_64_big))
+ ++fail;
+#endif
+
+ return fail == 0;
+}
+
+Register_test binary_register("Binary", Binary_test);
+
+} // End namespace gold_testsuite.
projects / deliverable / binutils-gdb.git / commitdiff
