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authorCarmelo Amoroso <carmelo.amoroso@st.com>2011-02-03 11:14:03 +0100
committerCarmelo Amoroso <carmelo.amoroso@st.com>2011-02-03 11:16:42 +0100
commitac5e9d08f4f7aa004e48b9484c3005f0ecc0a105 (patch)
tree32d30bd157f862792fdc4193eb2372e4d8cd0df4 /libpthread/nptl/sysdeps/arm
parentfd3120fb9ec9fe01d458962dca510eb81d06fcc8 (diff)
parent269f901e62106e2d36acf4c2b79a9a5ec6d684ff (diff)
Merge remote branch 'origin/master' into prelink
* origin/master: arm: fix the static link problem for ARM due to undefined __tls_get_addr nios2: Name architecture correctly in endian.h header nptl/mips64: Fix build when using mips64 and ABIs other than o32 mips: avoid segmentation fault when RLD_MAP is 0 libc: fix linker script generation for libubacktrace.so stdio: fix diagnostic message Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libpthread/nptl/sysdeps/arm')
-rw-r--r--libpthread/nptl/sysdeps/arm/Makefile.arch1
-rw-r--r--libpthread/nptl/sysdeps/arm/libc-tls.c37
2 files changed, 38 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/arm/Makefile.arch b/libpthread/nptl/sysdeps/arm/Makefile.arch
index a8bc1aadf..284dba43c 100644
--- a/libpthread/nptl/sysdeps/arm/Makefile.arch
+++ b/libpthread/nptl/sysdeps/arm/Makefile.arch
@@ -15,3 +15,4 @@ ASFLAGS-pthread_spin_lock.S = -DNOT_IN_libc -DIS_IN_libpthread
ASFLAGS-pthread_spin_trylock.S = -DNOT_IN_libc -DIS_IN_libpthread
ASFLAGS-aeabi_read_tp.S = -DNOT_IN_libc=1
+libc_arch_a_CSRC = libc-tls.c
diff --git a/libpthread/nptl/sysdeps/arm/libc-tls.c b/libpthread/nptl/sysdeps/arm/libc-tls.c
new file mode 100644
index 000000000..1f98cd985
--- /dev/null
+++ b/libpthread/nptl/sysdeps/arm/libc-tls.c
@@ -0,0 +1,37 @@
+/* Thread-local storage handling in the ELF dynamic linker. ARM version.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdeps/generic/libc-tls.c>
+#include <dl-tls.h>
+
+#if defined(USE_TLS) && USE_TLS
+
+/* On ARM, linker optimizations are not required, so __tls_get_addr
+ can be called even in statically linked binaries. In this case module
+ must be always 1 and PT_TLS segment exist in the binary, otherwise it
+ would not link. */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+ dtv_t *dtv = THREAD_DTV ();
+ return (char *) dtv[1].pointer.val + ti->ti_offset;
+}
+
+#endif