2 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
4 * This file is part of FFmpeg.
6 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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
93 movw \rd, #(\val) & 0xffff
95 movt \rd, #(\val) >> 16
102 .macro movrel rd, val
103 #if HAVE_ARMV6T2 && !CONFIG_PIC && !defined(__APPLE__)
104 movw \rd, #:lower16:\val
105 movt \rd, #:upper16:\val
111 .macro ldr_pre rt, rn, rm:vararg
112 A ldr \rt, [\rn, \rm]!
117 .macro ldr_dpre rt, rn, rm:vararg
118 A ldr \rt, [\rn, -\rm]!
123 .macro ldr_dpren rt, rn, rm:vararg
124 A ldr \rt, [\rn, -\rm]
129 .macro ldr_post rt, rn, rm:vararg
130 A ldr \rt, [\rn], \rm
135 .macro ldrd_reg rt, rt2, rn, rm
136 A ldrd \rt, \rt2, [\rn, \rm]
138 T ldrd \rt, \rt2, [\rt]
141 .macro ldrd_post rt, rt2, rn, rm
142 A ldrd \rt, \rt2, [\rn], \rm
143 T ldrd \rt, \rt2, [\rn]
147 .macro ldrh_pre rt, rn, rm
148 A ldrh \rt, [\rn, \rm]!
153 .macro ldrh_dpre rt, rn, rm
154 A ldrh \rt, [\rn, -\rm]!
159 .macro ldrh_post rt, rn, rm
160 A ldrh \rt, [\rn], \rm
165 .macro ldrb_post rt, rn, rm
166 A ldrb \rt, [\rn], \rm
171 .macro str_post rt, rn, rm:vararg
172 A str \rt, [\rn], \rm
177 .macro strb_post rt, rn, rm:vararg
178 A strb \rt, [\rn], \rm
183 .macro strd_post rt, rt2, rn, rm
184 A strd \rt, \rt2, [\rn], \rm
185 T strd \rt, \rt2, [\rn]
189 .macro strh_pre rt, rn, rm
190 A strh \rt, [\rn, \rm]!
195 .macro strh_dpre rt, rn, rm
196 A strh \rt, [\rn, -\rm]!
201 .macro strh_post rt, rn, rm
202 A strh \rt, [\rn], \rm
207 .macro strh_dpost rt, rn, rm
208 A strh \rt, [\rn], -\rm
214 .eabi_attribute 28, 1
222 #define GLUE(a, b) a ## b
223 #define JOIN(a, b) GLUE(a, b)
224 #define X(s) JOIN(EXTERN_ASM, s)