glibc/sysdeps/csky/abiv2/tls-macros.h

56 lines
2.0 KiB
C

/* Macros for accessing thread-local storage. C-SKY ABIV2 version.
Copyright (C) 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/>. */
# define TLS_LE(x) \
({ int *__result; \
__asm__ ("lrw %0, " #x "@TPOFF\n\t" \
"add %0, tls, %0" \
: "=&r" (__result)); \
__result; })
# define TLS_IE(x) \
({ int *__result; \
__asm__ ("grs a1, 1f\n" \
"1:\tlrw %0, " #x "@GOTTPOFF\n\t" \
"ldr.w %0, (a1, %0 << 0)\n\t" \
"add %0, tls, %0" \
: "=&r" (__result): : "a1"); \
__result; })
# define TLS_LD(x) \
({ char *__result; \
int __offset; \
extern void *__tls_get_addr (void *); \
__asm__ ("grs a1, 1f\n" \
"1:\tlrw %0, " #x "@TLSLDM32;\n\t" \
"add %0, a1, %0" \
: "=r" (__result) : : "a1"); \
__result = (char *)__tls_get_addr (__result); \
__asm__ ("lrw %0, " #x "@TLSLDO32" \
: "=r" (__offset)); \
(int *) (__result + __offset); })
# define TLS_GD(x) \
({ int *__result; \
extern void *__tls_get_addr (void *); \
__asm__ ("grs a1, 1f\n" \
"1:\tlrw %0, " #x "@TLSGD32\n\t" \
"add %0, a1, %0" \
: "=r" (__result) : : "a1"); \
(int *)__tls_get_addr (__result); })