[uclibc-ng-devel] uClibc-ng - small C library for embedded systems branch master updated. a3312d2264a8f84c854bf9cd0fb05634baba5e87

This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "uClibc-ng - small C library for embedded systems". The branch, master has been updated via a3312d2264a8f84c854bf9cd0fb05634baba5e87 (commit) from fc3d5dc9840b02e73a189fc4f830dd5ef76f8b75 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit a3312d2264a8f84c854bf9cd0fb05634baba5e87 Author: Waldemar Brodkorb &lt;wbx(a)uclibc-ng.org&gt; Date: Mon Oct 12 16:21:54 2015 +0200 fix static binaries linked with pthread and compiled with ssp Move TLS initialization for static builds up to the calling function as suggested by Daniel Fahlgren. Reported-By: Daniel Fahlgren &lt;daniel(a)fahlgren.se&gt; ----------------------------------------------------------------------- Summary of changes: libc/misc/internals/__uClibc_main.c | 12 ++++++++++++ libpthread/nptl/init.c | 18 ------------------ 2 files changed, 12 insertions(+), 18 deletions(-) diff --git a/libc/misc/internals/__uClibc_main.c b/libc/misc/internals/__uClibc_main.c index 1f1e601..632a252 100644 --- a/libc/misc/internals/__uClibc_main.c +++ b/libc/misc/internals/__uClibc_main.c @@ -32,6 +32,7 @@ #include <pthread-functions.h> #include <not-cancel.h> #include <atomic.h> +#include <tls.h> #endif #ifdef __UCLIBC_HAS_THREADS__ #include <pthread.h> @@ -132,6 +133,10 @@ extern void __pthread_initialize_minimal(void); #endif #endif +#ifndef SHARED +extern void __libc_setup_tls (size_t tcbsize, size_t tcbalign); +#endif + /* If __UCLIBC_FORMAT_SHARED_FLAT__, all array initialisation and finalisation * is handled by the routines passed to __uClibc_main(). */ #if defined (__UCLIBC_CTOR_DTOR__) && !defined (__UCLIBC_FORMAT_SHARED_FLAT__) @@ -243,6 +248,13 @@ void __uClibc_init(void) __pagesize = PAGE_SIZE; #ifdef __UCLIBC_HAS_THREADS__ + +#if defined (__UCLIBC_HAS_THREADS_NATIVE__) && !defined (SHARED) + /* Unlike in the dynamically linked case the dynamic linker has not + taken care of initializing the TLS data structures. */ + __libc_setup_tls (TLS_TCB_SIZE, TLS_TCB_ALIGN); +#endif + /* Before we start initializing uClibc we have to call * __pthread_initialize_minimal so we can use pthread_locks * whenever they are needed. diff --git a/libpthread/nptl/init.c b/libpthread/nptl/init.c index a9706d1..bcd49ed 100644 --- a/libpthread/nptl/init.c +++ b/libpthread/nptl/init.c @@ -60,15 +60,9 @@ int __have_futex_clock_realtime; /* Version of the library, used in libthread_db to detect mismatches. */ static const char nptl_version[] __attribute_used__ = VERSION; - -#ifndef SHARED -extern void __libc_setup_tls (size_t tcbsize, size_t tcbalign); -#endif - #ifdef SHARED static void nptl_freeres (void); - static const struct pthread_functions pthread_functions = { .ptr_pthread_attr_destroy = __pthread_attr_destroy, @@ -265,18 +259,6 @@ __pthread_initialize_minimal_internal (void) return; initialized = 1; -#ifndef SHARED - /* Unlike in the dynamically linked case the dynamic linker has not - taken care of initializing the TLS data structures. */ - __libc_setup_tls (TLS_TCB_SIZE, TLS_TCB_ALIGN); - - /* We must prevent gcc from being clever and move any of the - following code ahead of the __libc_setup_tls call. This function - will initialize the thread register which is subsequently - used. */ - __asm__ __volatile__ (""); -#endif - /* Minimal initialization of the thread descriptor. */ struct pthread *pd = THREAD_SELF; INTERNAL_SYSCALL_DECL (err); hooks/post-receive -- uClibc-ng - small C library for embedded systems