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/* Macros to support TLS testing in times of missing compiler support.
Copyright (C) 2017-2018 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
<http://www.gnu.org/licenses/>. */
#include <sys/cdefs.h>
#include <sys/asm.h>
#include <sysdep.h>
#include "dl-tls.h"
#define LOAD_GP \
".option push\n\t" \
".option norelax\n\t" \
"la gp, __global_pointer$\n\t" \
".option pop\n\t"
#define UNLOAD_GP
#define TLS_GD(x) \
({ void *__result; \
asm (LOAD_GP \
"la.tls.gd %0, " #x "\n\t" \
UNLOAD_GP \
: "=r" (__result)); \
__tls_get_addr (__result); })
#define TLS_LD(x) TLS_GD(x)
#define TLS_IE(x) \
({ void *__result; \
asm (LOAD_GP \
"la.tls.ie %0, " #x "\n\t" \
"add %0, %0, tp\n\t" \
UNLOAD_GP \
: "=r" (__result)); \
__result; })
#define TLS_LE(x) \
({ void *__result; \
asm (LOAD_GP \
"lui %0, %%tprel_hi(" #x ")\n\t" \
"add %0, %0, tp, %%tprel_add(" #x ")\n\t" \
"addi %0, %0, %%tprel_lo(" #x ")\n\t" \
UNLOAD_GP \
: "=r" (__result)); \
__result; })
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