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48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
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/* Macros to support TLS testing in times of missing compiler support. ARC version.
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Copyright (C) 2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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/* For now. */
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#define TLS_LD(x) TLS_IE(x)
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#define TLS_GD(x) \
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({ void *__result; \
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__asm__ ("add r0, pcl, @" #x "@tlsgd \n" \
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".tls_gd_ld " #x "`bl __tls_get_addr@plt \n" \
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"mov %0, r0 \n" \
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: "=&r" (__result) \
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::"r0","r1","r2","r3","r4","r5","r6","r7", \
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"r8","r9","r10","r11","r12"); \
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__result; })
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#define TLS_LE(x) \
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({ void *__result; \
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void *tp = __builtin_thread_pointer (); \
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__asm__ ("add %0, %1, @" #x "@tpoff \n" \
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: "=r" (__result) : "r"(tp)); \
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__result; })
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#define TLS_IE(x) \
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({ void *__result; \
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void *tp = __builtin_thread_pointer (); \
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__asm__ ("ld %0, [pcl, @" #x "@tlsie] \n" \
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"add %0, %1, %0 \n" \
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: "=&r" (__result) : "r" (tp)); \
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__result; })
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