gdb and binutils branch master updated. 5876f5032f60c45c4bd19e7ea7d0c14d0346b93e

[jkratoch at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5876f5032f60c45c4bd19e7ea7d0c14d0346b93e

commit 5876f5032f60c45c4bd19e7ea7d0c14d0346b93e
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date:   Wed May 21 16:25:53 2014 +0200

    Fix TLS access for -static -pthread
    
    I have posted:
    	TLS variables access for -static -lpthread executables
    	https://sourceware.org/ml/libc-help/2014-03/msg00024.html
    and the GDB patch below has been confirmed as OK for current glibcs.
    
    Further work should be done for newer glibcs:
    	Improve TLS variables glibc compatibility
    	https://sourceware.org/bugzilla/show_bug.cgi?id=16954
    
    Still the patch below implements the feature in a fully functional way backward
    compatible with current glibcs, it depends on the following glibc source line:
    	csu/libc-tls.c
    	main_map->l_tls_modid = 1;
    
    gdb/
    2014-05-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
    
    	Fix TLS access for -static -pthread.
    	* linux-thread-db.c (struct thread_db_info): Add td_thr_tlsbase_p.
    	(try_thread_db_load_1): Initialize it.
    	(thread_db_get_thread_local_address): Call it if LM is zero.
    	* target.c (target_translate_tls_address): Remove LM_ADDR zero check.
    	* target.h (struct target_ops) (to_get_thread_local_address): Add
    	load_module_addr comment.
    
    gdb/gdbserver/
    2014-05-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
    
    	Fix TLS access for -static -pthread.
    	* gdbserver/thread-db.c (struct thread_db): Add td_thr_tlsbase_p.
    	(thread_db_get_tls_address): Call it if LOAD_MODULE is zero.
    	(thread_db_load_search, try_thread_db_load_1): Initialize it.
    
    gdb/testsuite/
    2014-05-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
    
    	Fix TLS access for -static -pthread.
    	* gdb.threads/staticthreads.c <HAVE_TLS> (tlsvar): New.
    	<HAVE_TLS> (thread_function, main): Initialize it.
    	* gdb.threads/staticthreads.exp: Try gdb_compile_pthreads for $have_tls.
    	Add clean_restart.
    	<$have_tls != "">: Check TLSVAR.
    
    Message-ID: <20140410115204.GB16411@host2.jankratochvil.net>

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog                               |   10 +++++
 gdb/gdbserver/ChangeLog                     |    7 ++++
 gdb/gdbserver/thread-db.c                   |   38 ++++++++++++++++----
 gdb/linux-thread-db.c                       |   50 +++++++++++++++++++-------
 gdb/target.c                                |    4 --
 gdb/target.h                                |    3 +-
 gdb/testsuite/ChangeLog                     |    9 +++++
 gdb/testsuite/gdb.threads/staticthreads.c   |   12 ++++++-
 gdb/testsuite/gdb.threads/staticthreads.exp |   30 +++++++++++++---
 9 files changed, 131 insertions(+), 32 deletions(-)


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