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
55 ELF .eabi_attribute 25, 1 @ Tag_ABI_align_preserved
57 .macro function name, export=0
64 put_pic %(.Lpic_idx - 1)
67 ELF .size \name, . - \name
74 .global EXTERN_ASM\name
77 ELF .type \name, %function
82 .macro const name, align=2
84 ELF .size \name, . - \name
92 #if !HAVE_ARMV6T2_EXTERNAL
100 #if HAVE_ARMV6T2_EXTERNAL
101 movw \rd, #(\val) & 0xffff
103 movt \rd, #(\val) >> 16
114 .macro do_def_pic num, val, label
126 .macro def_pic val, label
128 do_def_pic %.Lpic_idx, \val, \label
130 .set .Lpic_idx, .Lpic_idx + 1
133 .macro ldpic rd, val, indir=0
143 def_pic \val - (.Lpic\@ + (8 >> CONFIG_THUMB)), .Lpicoff\@
146 .macro movrel rd, val
149 #elif HAVE_ARMV6T2_EXTERNAL && !defined(__APPLE__)
150 movw \rd, #:lower16:\val
151 movt \rd, #:upper16:\val
157 .macro movrelx rd, val, gp
158 #if CONFIG_PIC && defined(__ELF__)
164 ldpic gp, _GLOBAL_OFFSET_TABLE_
167 ldpic gp, _GLOBAL_OFFSET_TABLE_
172 def_pic \val(GOT), .Lpicoff\@
173 #elif CONFIG_PIC && defined(__APPLE__)
174 ldpic \rd, .Lpic\@, indir=1
175 .non_lazy_symbol_pointer
177 .indirect_symbol \val
185 .macro add_sh rd, rn, rm, sh:vararg
186 A add \rd, \rn, \rm, \sh
191 .macro ldr_pre rt, rn, rm:vararg
192 A ldr \rt, [\rn, \rm]!
197 .macro ldr_dpre rt, rn, rm:vararg
198 A ldr \rt, [\rn, -\rm]!
203 .macro ldr_nreg rt, rn, rm:vararg
204 A ldr \rt, [\rn, -\rm]
209 .macro ldr_post rt, rn, rm:vararg
210 A ldr \rt, [\rn], \rm
215 .macro ldrd_reg rt, rt2, rn, rm
216 A ldrd \rt, \rt2, [\rn, \rm]
218 T ldrd \rt, \rt2, [\rt]
221 .macro ldrd_post rt, rt2, rn, rm
222 A ldrd \rt, \rt2, [\rn], \rm
223 T ldrd \rt, \rt2, [\rn]
227 .macro ldrh_pre rt, rn, rm
228 A ldrh \rt, [\rn, \rm]!
233 .macro ldrh_dpre rt, rn, rm
234 A ldrh \rt, [\rn, -\rm]!
239 .macro ldrh_post rt, rn, rm
240 A ldrh \rt, [\rn], \rm
245 .macro ldrb_post rt, rn, rm
246 A ldrb \rt, [\rn], \rm
251 .macro str_post rt, rn, rm:vararg
252 A str \rt, [\rn], \rm
257 .macro strb_post rt, rn, rm:vararg
258 A strb \rt, [\rn], \rm
263 .macro strd_post rt, rt2, rn, rm
264 A strd \rt, \rt2, [\rn], \rm
265 T strd \rt, \rt2, [\rn]
269 .macro strh_pre rt, rn, rm
270 A strh \rt, [\rn, \rm]!
275 .macro strh_dpre rt, rn, rm
276 A strh \rt, [\rn, -\rm]!
281 .macro strh_post rt, rn, rm
282 A strh \rt, [\rn], \rm
287 .macro strh_dpost rt, rn, rm
288 A strh \rt, [\rn], -\rm
294 .eabi_attribute 28, 1
302 #define GLUE(a, b) a ## b
303 #define JOIN(a, b) GLUE(a, b)
304 #define X(s) JOIN(EXTERN_ASM, s)