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* elf/common.h (VER_FLG_*): Document.
	(VER_FLG_INFO): Define.

	gold:
	* dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
	function, is_info_ member.
	* dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
	(Versions::Versions): Update caller.
	(Versions::define_base_version): Likewise.
	(Versions::add_def): Likewise.

	elfcpp:
	* elfcpp.h (VER_FLG_INFO): Define.

	binutils:
	* readelf.c (get_ver_flags): Handle VER_FLG_INFO.
This commit is contained in:
Rainer Orth 2010-03-05 21:04:59 +00:00
parent f870a310ee
commit 44ec90b93b
9 changed files with 54 additions and 9 deletions
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4
binutils/ChangeLog
View File

@ -1,3 +1,7 @@
2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* readelf.c (get_ver_flags): Handle VER_FLG_INFO.
2010-03-02 Daniel Jacobowitz <dan@codesourcery.com>
* NEWS: Document .ARM.exidx / .ARM.extab support.

10
binutils/readelf.c
View File

@ -7267,7 +7267,15 @@ get_ver_flags (unsigned int flags)
strcat (buff, "WEAK ");
}
if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))
if (flags & VER_FLG_INFO)
{
if (flags & (VER_FLG_BASE|VER_FLG_WEAK))
strcat (buff, "| ");
strcat (buff, "INFO ");
}
if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK | VER_FLG_INFO))
strcat (buff, "| <unknown>");
return buff;

4
elfcpp/ChangeLog
View File

@ -1,3 +1,7 @@
2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* elfcpp.h (VER_FLG_INFO): Define.
2010-01-21 Doug Kwan <dougkwan@google.com>
* arm.h (EXIDX_CANTUNWIND): New enum.

3
elfcpp/elfcpp.h
View File

@ -1,6 +1,6 @@
// elfcpp.h -- main header file for elfcpp -*- C++ -*-
// Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of elfcpp.
@ -784,6 +784,7 @@ const int VER_NEED_CURRENT = 1;
const int VER_FLG_BASE = 0x1;
const int VER_FLG_WEAK = 0x2;
const int VER_FLG_INFO = 0x4;
// Special constants found in the SHT_GNU_versym entries.

9
gold/ChangeLog
View File

@ -1,3 +1,12 @@
2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
function, is_info_ member.
* dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
(Versions::Versions): Update caller.
(Versions::define_base_version): Likewise.
(Versions::add_def): Likewise.
2010-03-03 Sriraman Tallam <tmsriram@google.com>
* i386.cc (Target_i386::can_check_for_function_pointers): New function.

9
gold/dynobj.cc
View File

@ -1221,7 +1221,8 @@ Verdef::write(const Stringpool* dynpool, bool is_last, unsigned char* pb) const
elfcpp::Verdef_write<size, big_endian> vd(pb);
vd.set_vd_version(elfcpp::VER_DEF_CURRENT);
vd.set_vd_flags((this->is_base_ ? elfcpp::VER_FLG_BASE : 0)
| (this->is_weak_ ? elfcpp::VER_FLG_WEAK : 0));
| (this->is_weak_ ? elfcpp::VER_FLG_WEAK : 0)
| (this->is_info_ ? elfcpp::VER_FLG_INFO : 0));
vd.set_vd_ndx(this->index());
vd.set_vd_cnt(1 + this->deps_.size());
vd.set_vd_hash(Dynobj::elf_hash(this->name()));
@ -1353,7 +1354,7 @@ Versions::Versions(const Version_script_info& version_script,
Verdef* const vd = new Verdef(
version,
this->version_script_.get_dependencies(version),
false, false, false);
false, false, false, false);
this->defs_.push_back(vd);
Key key(version_key, 0);
this->version_table_.insert(std::make_pair(key, vd));
@ -1391,7 +1392,7 @@ Versions::define_base_version(Stringpool* dynpool)
name = parameters->options().output_file_name();
name = dynpool->add(name, false, NULL);
Verdef* vdbase = new Verdef(name, std::vector<std::string>(),
true, false, true);
true, false, false, true);
this->defs_.push_back(vdbase);
this->needs_base_version_ = false;
}
@ -1474,7 +1475,7 @@ Versions::add_def(const Symbol* sym, const char* version,
// When creating a regular executable, automatically define
// a new version.
Verdef* vd = new Verdef(version, std::vector<std::string>(),
false, false, false);
false, false, false, false);
this->defs_.push_back(vd);
ins.first->second = vd;
}

11
gold/dynobj.h
View File

@ -360,9 +360,9 @@ class Verdef : public Version_base
{
public:
Verdef(const char* name, const std::vector<std::string>& deps,
bool is_base, bool is_weak, bool is_symbol_created)
bool is_base, bool is_weak, bool is_info, bool is_symbol_created)
: name_(name), deps_(deps), is_base_(is_base), is_weak_(is_weak),
is_symbol_created_(is_symbol_created)
is_info_(is_info), is_symbol_created_(is_symbol_created)
{ }
// Return the version name.
@ -391,6 +391,11 @@ class Verdef : public Version_base
clear_weak()
{ this->is_weak_ = false; }
// Return whether this definition is informational.
bool
is_info() const
{ return this->is_info_; }
// Return whether a version symbol has been created for this
// definition.
bool
@ -419,6 +424,8 @@ class Verdef : public Version_base
bool is_base_;
// Whether this version is weak.
bool is_weak_;
// Whether this version is informational.
bool is_info_;
// Whether a version symbol has been created.
bool is_symbol_created_;
};

5
include/ChangeLog
View File

@ -1,3 +1,8 @@
2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* elf/common.h (VER_FLG_*): Document.
(VER_FLG_INFO): Define.
2010-02-08 David S. Miller <davem@davemloft.net>
* elf/sparc.h (R_SPARC_JMP_IREL, R_SPARC_IRELATIVE): Define.

8
include/elf/common.h
View File

@ -812,10 +812,16 @@
#define VER_DEF_CURRENT 1
/* These constants appear in the vd_flags field of a Elf32_Verdef
structure. */
structure.
Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,
Versioning Sections, for a description:
http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view */
#define VER_FLG_BASE 0x1
#define VER_FLG_WEAK 0x2
#define VER_FLG_INFO 0x4
/* These special constants can be found in an Elf32_Versym field. */