From 619bfc6770275da9deceb87187f47ab95b3b24cc Mon Sep 17 00:00:00 2001 From: caiyinyu Date: Tue, 19 Jul 2022 09:20:47 +0800 Subject: LoongArch: Thread-Local Storage Support --- sysdeps/loongarch/libc-tls.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 sysdeps/loongarch/libc-tls.c (limited to 'sysdeps/loongarch/libc-tls.c') diff --git a/sysdeps/loongarch/libc-tls.c b/sysdeps/loongarch/libc-tls.c new file mode 100644 index 0000000..9285d11 --- /dev/null +++ b/sysdeps/loongarch/libc-tls.c @@ -0,0 +1,32 @@ +/* Thread-local storage handling in the ELF dynamic linker. + Copyright (C) 2022 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, see + . */ + +#include +#include + +/* On LoongArch, 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 + GET_ADDR_OFFSET; +} -- cgit v1.1