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* fileread.cc (File_read::find_view): Add byteshift and vshifted

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parameters.  Update for new key type to views_.  Change all
	callers.
	(File_read::read): Adjust for byteshift in returned view.
	(File_read::add_view): New function, broken out of
	find_and_make_view.
	(File_read::make_view): New function, broken out of
	find_and_make_view.
	(File_read::find_or_make_view): Add offset and aligned
	parameters.  Rewrite accordingly.  Change all callers.
	(File_read::get_view): Add offset and aligned parameters.  Adjust
	for byteshift in return value.
	(File_read::get_lasting_view): Likewise.
	* fileread.h (class File_read): Update declarations.
	(class File_read::View): Add byteshift_ field.  Add byteshift to
	constructor.  Add byteshift method.
	* archive.h (Archive::clear_uncached_views): New function.
	(Archive::get_view): Add aligned parameter.  Change all callers.
	* object.h (Object::get_view): Add aligned parameter.  Change all
	callers.
	(Object::get_lasting_view): Likewise.

	* fileread.cc (File_read::release): Don't call clear_views if
	there are multiple objects.
	* fileread.h (File_read::clear_uncached_views): New function.
	* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
	on the archive.
This commit is contained in:
Ian Lance Taylor
2008-04-02 20:58:21 +00:00
parent 5caffa0e9b
commit 39d0cb0e83
10 changed files with 290 additions and 113 deletions
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22
gold/object.cc
View File

@ -80,7 +80,7 @@ Object::section_contents(unsigned int shndx, section_size_type* plen,
{
Location loc(this->do_section_contents(shndx));
*plen = convert_to_section_size_type(loc.data_size);
return this->get_view(loc.file_offset, *plen, cache);
return this->get_view(loc.file_offset, *plen, true, cache);
}
// Read the section data into SD. This is code common to Sized_relobj
@ -96,7 +96,8 @@ Object::read_section_data(elfcpp::Elf_file<size, big_endian, Object>* elf_file,
// Read the section headers.
const off_t shoff = elf_file->shoff();
const unsigned int shnum = this->shnum();
sd->section_headers = this->get_lasting_view(shoff, shnum * shdr_size, true);
sd->section_headers = this->get_lasting_view(shoff, shnum * shdr_size,
true, true);
// Read the section names.
const unsigned char* pshdrs = sd->section_headers->data();
@ -110,7 +111,8 @@ Object::read_section_data(elfcpp::Elf_file<size, big_endian, Object>* elf_file,
sd->section_names_size =
convert_to_section_size_type(shdrnames.get_sh_size());
sd->section_names = this->get_lasting_view(shdrnames.get_sh_offset(),
sd->section_names_size, false);
sd->section_names_size, false,
false);
}
// If NAME is the name of a special .gnu.warning section, arrange for
@ -319,7 +321,7 @@ Sized_relobj<size, big_endian>::do_read_symbols(Read_symbols_data* sd)
off_t readoff = this->has_eh_frame_ ? dataoff : extoff;
section_size_type readsize = this->has_eh_frame_ ? datasize : extsize;
File_view* fvsymtab = this->get_lasting_view(readoff, readsize, false);
File_view* fvsymtab = this->get_lasting_view(readoff, readsize, true, false);
// Read the section header for the symbol names.
unsigned int strtab_shndx = symtabshdr.get_sh_link();
@ -338,7 +340,8 @@ Sized_relobj<size, big_endian>::do_read_symbols(Read_symbols_data* sd)
// Read the symbol names.
File_view* fvstrtab = this->get_lasting_view(strtabshdr.get_sh_offset(),
strtabshdr.get_sh_size(), true);
strtabshdr.get_sh_size(),
false, true);
sd->symbols = fvsymtab;
sd->symbols_size = readsize;
@ -390,7 +393,7 @@ Sized_relobj<size, big_endian>::include_section_group(
{
// Read the section contents.
const unsigned char* pcon = this->get_view(shdr.get_sh_offset(),
shdr.get_sh_size(), false);
shdr.get_sh_size(), true, false);
const elfcpp::Elf_Word* pword =
reinterpret_cast<const elfcpp::Elf_Word*>(pcon);
@ -417,7 +420,8 @@ Sized_relobj<size, big_endian>::include_section_group(
return false;
}
off_t symoff = symshdr.get_sh_offset() + shdr.get_sh_info() * This::sym_size;
const unsigned char* psym = this->get_view(symoff, This::sym_size, false);
const unsigned char* psym = this->get_view(symoff, This::sym_size, true,
false);
elfcpp::Sym<size, big_endian> sym(psym);
// Read the symbol table names.
@ -849,7 +853,7 @@ Sized_relobj<size, big_endian>::do_count_local_symbols(Stringpool* pool,
gold_assert(loccount == symtabshdr.get_sh_info());
off_t locsize = loccount * sym_size;
const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
locsize, true);
locsize, true, true);
// Read the symbol names.
const unsigned int strtab_shndx = symtabshdr.get_sh_link();
@ -1084,7 +1088,7 @@ Sized_relobj<size, big_endian>::write_local_symbols(
const int sym_size = This::sym_size;
off_t locsize = loccount * sym_size;
const unsigned char* psyms = this->get_view(symtabshdr.get_sh_offset(),
locsize, false);
locsize, true, false);
// Read the symbol names.
const unsigned int strtab_shndx = symtabshdr.get_sh_link();