2 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
4 * This file is part of Libav.
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
57 ELF .eabi_attribute 24, \val
60 .macro preserve8 val=1
61 ELF .eabi_attribute 25, \val
64 .macro function name, export=0
66 ELF .size \name, . - \name
73 .global EXTERN_ASM\name
76 ELF .type \name, %function
81 .macro const name, align=2
83 ELF .size \name, . - \name
100 movw \rd, #(\val) & 0xffff
102 movt \rd, #(\val) >> 16
109 .macro movrel rd, val
110 #if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__)
111 movw \rd, #:lower16:\val
112 movt \rd, #:upper16:\val
118 .macro ldr_pre rt, rn, rm:vararg
119 A ldr \rt, [\rn, \rm]!
124 .macro ldr_dpre rt, rn, rm:vararg
125 A ldr \rt, [\rn, -\rm]!
130 .macro ldr_nreg rt, rn, rm:vararg
131 A ldr \rt, [\rn, -\rm]
136 .macro ldr_post rt, rn, rm:vararg
137 A ldr \rt, [\rn], \rm
142 .macro ldrd_reg rt, rt2, rn, rm
143 A ldrd \rt, \rt2, [\rn, \rm]
145 T ldrd \rt, \rt2, [\rt]
148 .macro ldrd_post rt, rt2, rn, rm
149 A ldrd \rt, \rt2, [\rn], \rm
150 T ldrd \rt, \rt2, [\rn]
154 .macro ldrh_pre rt, rn, rm
155 A ldrh \rt, [\rn, \rm]!
160 .macro ldrh_dpre rt, rn, rm
161 A ldrh \rt, [\rn, -\rm]!
166 .macro ldrh_post rt, rn, rm
167 A ldrh \rt, [\rn], \rm
172 .macro ldrb_post rt, rn, rm
173 A ldrb \rt, [\rn], \rm
178 .macro str_post rt, rn, rm:vararg
179 A str \rt, [\rn], \rm
184 .macro strb_post rt, rn, rm:vararg
185 A strb \rt, [\rn], \rm
190 .macro strd_post rt, rt2, rn, rm
191 A strd \rt, \rt2, [\rn], \rm
192 T strd \rt, \rt2, [\rn]
196 .macro strh_pre rt, rn, rm
197 A strh \rt, [\rn, \rm]!
202 .macro strh_dpre rt, rn, rm
203 A strh \rt, [\rn, -\rm]!
208 .macro strh_post rt, rn, rm
209 A strh \rt, [\rn], \rm
214 .macro strh_dpost rt, rn, rm
215 A strh \rt, [\rn], -\rm
221 .eabi_attribute 28, 1
229 #define GLUE(a, b) a ## b
230 #define JOIN(a, b) GLUE(a, b)
231 #define X(s) JOIN(EXTERN_ASM, s)