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/* Macros to support TLS testing, OpenRISC version.
Copyright (C) 2019 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_LOAD_GOT \
({ register long lr __asm__ ("r9"); \
long got; \
asm ("l.jal 0x8\n\t" \
" l.movhi %0, gotpchi(_GLOBAL_OFFSET_TABLE_-4)\n\t" \
"l.ori %0, %0, gotpclo(_GLOBAL_OFFSET_TABLE_+0)\n\t" \
"l.add %0, %0, %1" \
: "=r" (got), "=r" (lr)); \
got; })
/* General Dynamic:
l.movhi r17, tlsgdhi(symbol)
l.ori r17, r17, tlsgdlo(symbol)
l.add r17, r17, r16
l.or r3, r17, r17
l.jal plt(__tls_get_addr)
l.nop */
#define TLS_GD(x) \
({ void *__tlsgd; \
extern void *__tls_get_addr (void *); \
asm ("l.movhi %0, tlsgdhi(" #x ")\n\t" \
"l.ori %0, %0, tlsgdlo(" #x ")\n\t" \
: "=r" (__tlsgd)); \
(int *) __tls_get_addr (TLS_LOAD_GOT + __tlsgd); })
#define TLS_LD(x) TLS_GD(x)
/* Initial Exec:
l.movhi r17, gottpoffhi(symbol)
l.add r17, r17, r16
l.lwz r17, gottpofflo(symbol)(r17)
l.add r17, r17, r10
l.lbs r17, 0(r17) */
#define TLS_IE(x) \
({ register long __tls __asm__ ("r10"); \
void *__tlsie; \
asm ("l.movhi %0, gottpoffhi(" #x ")\n\t" \
"l.add %0, %0, %1\n\t" \
"l.lwz %0, gottpofflo(" #x ")(%0)\n\t" \
"l.add %0, %0, %2\n\t" \
: "=&r" (__tlsie) : "r" (TLS_LOAD_GOT), \
"r" (__tls) : "memory"); \
__tlsie; })
/* Local Exec:
l.movhi r17, tpoffha(symbol)
l.add r17, r17, r10
l.addi r17, r17, tpofflo(symbol)
l.lbs r17, 0(r17) */
#define TLS_LE(x) \
({ register long __tls __asm__ ("r10"); \
void *__tlsle; \
asm ("l.movhi %0, tpoffha(" #x ")\n\t" \
"l.add %0, %0, %1\n\t" \
"l.addi %0, %0, tpofflo(" #x ")\n\t" \
: "=&r" (__tlsle) : "r" (__tls) : "memory"); \
__tlsle; })
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