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94 lines
2.1 KiB
94 lines
2.1 KiB
/* |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* |
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* Libav 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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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#ifdef __ELF__ |
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# define ELF |
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#else |
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# define ELF @ |
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#endif |
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.macro require8 val=1 |
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ELF .eabi_attribute 24, \val |
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.endm |
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.macro preserve8 val=1 |
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ELF .eabi_attribute 25, \val |
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.endm |
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.macro function name, export=0 |
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.macro endfunc |
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ELF .size \name, . - \name |
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.endfunc |
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.purgem endfunc |
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.endm |
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.text |
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.if \export |
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.global EXTERN_ASM\name |
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EXTERN_ASM\name: |
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.endif |
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ELF .type \name, %function |
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.func \name |
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\name: |
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.endm |
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.macro const name, align=2 |
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.macro endconst |
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ELF .size \name, . - \name |
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.purgem endconst |
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.endm |
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.section .rodata |
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.align \align |
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\name: |
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.endm |
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.macro mov32 rd, val |
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#if HAVE_ARMV6T2 |
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movw \rd, #(\val) & 0xffff |
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.if (\val) >> 16 |
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movt \rd, #(\val) >> 16 |
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.endif |
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#else |
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ldr \rd, =\val |
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#endif |
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.endm |
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.macro movrel rd, val |
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#if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__) |
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movw \rd, #:lower16:\val |
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movt \rd, #:upper16:\val |
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#else |
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ldr \rd, =\val |
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#endif |
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.endm |
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#if HAVE_VFP_ARGS |
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.eabi_attribute 28, 1 |
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# define VFP |
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# define NOVFP @ |
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#else |
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# define VFP @ |
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# define NOVFP |
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#endif |
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#define GLUE(a, b) a ## b |
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#define JOIN(a, b) GLUE(a, b) |
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#define X(s) JOIN(EXTERN_ASM, s)
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