projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8b48923b CZ |
1 | ; newlib tls glue code for Synopsys DesignWare ARC cpu. |
| 2 | ||
| a945c346 | 3 | /* Copyright (C) 2016-2024 Free Software Foundation, Inc. |
| 8b48923b CZ |
4 | Contributor: Joern Rennecke <joern.rennecke@embecosm.com> |
| 5 | on behalf of Synopsys Inc. | |
| 6 | ||
| 7 | This file is part of GCC. | |
| 8 | ||
| 9 | GCC is free software; you can redistribute it and/or modify it under | |
| 10 | the terms of the GNU General Public License as published by the Free | |
| 11 | Software Foundation; either version 3, or (at your option) any later | |
| 12 | version. | |
| 13 | ||
| 14 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 15 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 16 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 17 | for more details. | |
| 18 | ||
| 19 | Under Section 7 of GPL version 3, you are granted additional | |
| 20 | permissions described in the GCC Runtime Library Exception, version | |
| 21 | 3.1, as published by the Free Software Foundation. | |
| 22 | ||
| 23 | You should have received a copy of the GNU General Public License and | |
| 24 | a copy of the GCC Runtime Library Exception along with this program; | |
| 25 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 26 | <http://www.gnu.org/licenses/>. */ | |
| 27 | ||
| 28 | /* As a special exception, if you link this library with other files, | |
| 29 | some of which are compiled with GCC, to produce an executable, | |
| 30 | this library does not by itself cause the resulting executable | |
| 31 | to be covered by the GNU General Public License. | |
| 32 | This exception does not however invalidate any other reasons why | |
| 33 | the executable file might be covered by the GNU General Public License. */ | |
| 34 | ||
| 35 | ||
| 2744b8b2 CZ |
36 | #ifdef __ARC_RF16__ |
| 37 | /* Use object attributes to inform other tools this file is | |
| 38 | safe for RF16 configuration. */ | |
| 39 | .arc_attribute Tag_ARC_ABI_rf16, 1 | |
| 40 | #endif | |
| 41 | ||
| 8b48923b CZ |
42 | #if (__ARC_TLS_REGNO__ != -1) |
| 43 | /* ANSI concatenation macros. */ | |
| 44 | ||
| 45 | #define CONCAT1(a, b) CONCAT2(a, b) | |
| 46 | #define CONCAT2(a, b) a ## b | |
| 47 | ||
| 48 | /* Use the right prefix for global labels. */ | |
| 49 | ||
| 50 | #define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) | |
| 51 | ||
| 52 | #define FUNC(X) .type SYM(X),@function | |
| 53 | #define ENDFUNC0(X) .Lfe_##X: .size X,.Lfe_##X-X | |
| 54 | #define ENDFUNC(X) ENDFUNC0(X) | |
| 55 | ||
| 56 | .global SYM(__read_tp) | |
| 57 | SYM(__read_tp): | |
| 58 | FUNC(__read_tp) | |
| 59 | mov r0, CONCAT1 (r, __ARC_TLS_REGNO__) | |
| 60 | nop | |
| 61 | j [blink] | |
| 62 | ENDFUNC(__read_tp) | |
| 63 | ||
| 64 | .section .init | |
| 65 | mov CONCAT1 (r, __ARC_TLS_REGNO__),__main_tcb_end+256 | |
| 66 | ||
| 67 | .section .tbss | |
| 68 | __main_tcb: | |
| 69 | .long 0 | |
| 70 | .long 0 | |
| 71 | __main_tcb_end: | |
| 72 | ||
| 73 | #endif /*__ARC_TLS_REGNO__ != -1 */ |