68 lines
2.1 KiB
ArmAsm
68 lines
2.1 KiB
ArmAsm
; newlib tls glue code for Synopsys DesignWare ARC cpu.
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/* Copyright (C) 2016-2019 Free Software Foundation, Inc.
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Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
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on behalf of Synopsys Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#if (__ARC_TLS_REGNO__ != -1)
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/* ANSI concatenation macros. */
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#define CONCAT1(a, b) CONCAT2(a, b)
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#define CONCAT2(a, b) a ## b
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/* Use the right prefix for global labels. */
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#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
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#define FUNC(X) .type SYM(X),@function
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#define ENDFUNC0(X) .Lfe_##X: .size X,.Lfe_##X-X
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#define ENDFUNC(X) ENDFUNC0(X)
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.global SYM(__read_tp)
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SYM(__read_tp):
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FUNC(__read_tp)
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mov r0, CONCAT1 (r, __ARC_TLS_REGNO__)
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nop
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j [blink]
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ENDFUNC(__read_tp)
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.section .init
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mov CONCAT1 (r, __ARC_TLS_REGNO__),__main_tcb_end+256
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.section .tbss
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__main_tcb:
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.long 0
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.long 0
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__main_tcb_end:
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#endif /*__ARC_TLS_REGNO__ != -1 */
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