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
70 put_pic %(.Lpic_idx - 1)
73 ELF .size \name, . - \name
80 .global EXTERN_ASM\name
83 ELF .type \name, %function
88 .macro const name, align=2
90 ELF .size \name, . - \name
107 movw \rd, #(\val) & 0xffff
109 movt \rd, #(\val) >> 16
120 .macro do_def_pic num, val, label
132 .macro def_pic val, label
134 do_def_pic %.Lpic_idx, \val, \label
136 .set .Lpic_idx, .Lpic_idx + 1
139 .macro ldpic rd, val, indir=0
147 def_pic \val - (.Lpic\@ + (8 >> CONFIG_THUMB)), .Lpicoff\@
150 .macro movrel rd, val
153 #elif HAVE_ARMV6T2 && !defined(__APPLE__)
154 movw \rd, #:lower16:\val
155 movt \rd, #:upper16:\val
161 .macro movrelx rd, val, gp
162 #if CONFIG_PIC && defined(__ELF__)
168 ldpic gp, _GLOBAL_OFFSET_TABLE_
171 ldpic gp, _GLOBAL_OFFSET_TABLE_
176 def_pic \val(GOT), .Lpicoff\@
177 #elif CONFIG_PIC && defined(__APPLE__)
178 ldpic \rd, .Lpic\@, indir=1
179 .non_lazy_symbol_pointer
181 .indirect_symbol \val
189 .macro ldr_pre rt, rn, rm:vararg
190 A ldr \rt, [\rn, \rm]!
195 .macro ldr_dpre rt, rn, rm:vararg
196 A ldr \rt, [\rn, -\rm]!
201 .macro ldr_nreg rt, rn, rm:vararg
202 A ldr \rt, [\rn, -\rm]
207 .macro ldr_post rt, rn, rm:vararg
208 A ldr \rt, [\rn], \rm
213 .macro ldrd_reg rt, rt2, rn, rm
214 A ldrd \rt, \rt2, [\rn, \rm]
216 T ldrd \rt, \rt2, [\rt]
219 .macro ldrd_post rt, rt2, rn, rm
220 A ldrd \rt, \rt2, [\rn], \rm
221 T ldrd \rt, \rt2, [\rn]
225 .macro ldrh_pre rt, rn, rm
226 A ldrh \rt, [\rn, \rm]!
231 .macro ldrh_dpre rt, rn, rm
232 A ldrh \rt, [\rn, -\rm]!
237 .macro ldrh_post rt, rn, rm
238 A ldrh \rt, [\rn], \rm
243 .macro ldrb_post rt, rn, rm
244 A ldrb \rt, [\rn], \rm
249 .macro str_post rt, rn, rm:vararg
250 A str \rt, [\rn], \rm
255 .macro strb_post rt, rn, rm:vararg
256 A strb \rt, [\rn], \rm
261 .macro strd_post rt, rt2, rn, rm
262 A strd \rt, \rt2, [\rn], \rm
263 T strd \rt, \rt2, [\rn]
267 .macro strh_pre rt, rn, rm
268 A strh \rt, [\rn, \rm]!
273 .macro strh_dpre rt, rn, rm
274 A strh \rt, [\rn, -\rm]!
279 .macro strh_post rt, rn, rm
280 A strh \rt, [\rn], \rm
285 .macro strh_dpost rt, rn, rm
286 A strh \rt, [\rn], -\rm
292 .eabi_attribute 28, 1
300 #define GLUE(a, b) a ## b
301 #define JOIN(a, b) GLUE(a, b)
302 #define X(s) JOIN(EXTERN_ASM, s)