[deb_ffmpeg.git] / ffmpeg / libavcodec / ppc / asm.S

/*
 * Copyright (c) 2009 Loren Merritt
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "config.h"

#define GLUE(a, b) a ## b
#define JOIN(a, b) GLUE(a, b)
#define X(s) JOIN(EXTERN_ASM, s)

#if ARCH_PPC64

#define PTR  .quad
#define lp   ld
#define lpx  ldx
#define stp  std
#define stpu stdu
#define PS   8
#define L(s) JOIN(., s)

.macro extfunc name
    .global X(\name)
#if _CALL_ELF == 2
    .text
X(\name):
    addis %r2, %r12, .TOC.-X(\name)@ha
    addi %r2, %r2, .TOC.-X(\name)@l
    .localentry X(\name), .-X(\name)
#else
    .section .opd, "aw"
X(\name):
    .quad L(\name), .TOC.@tocbase, 0
    .previous
    .type X(\name), STT_FUNC
L(\name):
#endif
.endm

.macro movrel rd, sym, gp
    ld      \rd, \sym@got(r2)
.endm

.macro get_got rd
.endm

#else /* ARCH_PPC64 */

#define PTR  .int
#define lp   lwz
#define lpx  lwzx
#define stp  stw
#define stpu stwu
#define PS   4
#define L(s) s

.macro extfunc name
    .global X(\name)
    .type   X(\name), STT_FUNC
X(\name):
\name:
.endm

.macro movrel rd, sym, gp
#if CONFIG_PIC
    lwz     \rd, \sym@got(\gp)
#else
    lis     \rd, \sym@ha
    la      \rd, \sym@l(\rd)
#endif
.endm

.macro get_got rd
#if CONFIG_PIC
    bcl     20, 31, .Lgot\@
.Lgot\@:
    mflr    \rd
    addis   \rd, \rd, _GLOBAL_OFFSET_TABLE_ - .Lgot\@@ha
    addi    \rd, \rd, _GLOBAL_OFFSET_TABLE_ - .Lgot\@@l
#endif
.endm

#endif /* ARCH_PPC64 */

#if HAVE_IBM_ASM

.macro DEFINE_REG n
    .equiv r\n, \n
    .equiv f\n, \n
    .equiv v\n, \n
.endm

DEFINE_REG 0
DEFINE_REG 1
DEFINE_REG 2
DEFINE_REG 3
DEFINE_REG 4
DEFINE_REG 5
DEFINE_REG 6
DEFINE_REG 7
DEFINE_REG 8
DEFINE_REG 9
DEFINE_REG 10
DEFINE_REG 11
DEFINE_REG 12
DEFINE_REG 13
DEFINE_REG 14
DEFINE_REG 15
DEFINE_REG 16
DEFINE_REG 17
DEFINE_REG 18
DEFINE_REG 19
DEFINE_REG 20
DEFINE_REG 21
DEFINE_REG 22
DEFINE_REG 23
DEFINE_REG 24
DEFINE_REG 25
DEFINE_REG 26
DEFINE_REG 27
DEFINE_REG 28
DEFINE_REG 29
DEFINE_REG 30
DEFINE_REG 31

#endif /* HAVE_IBM_ASM */
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* Copyright (c) 2009 Loren Merritt
	3	*
	4	* This file is part of FFmpeg.
	5	*
	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.
	10	*
	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.
	15	*
	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
	19	*/
	20
	21	#include "config.h"
	22
	23	#define GLUE(a, b) a ## b
	24	#define JOIN(a, b) GLUE(a, b)
	25	#define X(s) JOIN(EXTERN_ASM, s)
	26
	27	#if ARCH_PPC64
	28
	29	#define PTR .quad
	30	#define lp ld
	31	#define lpx ldx
	32	#define stp std
	33	#define stpu stdu
	34	#define PS 8
	35	#define L(s) JOIN(., s)
	36
	37	.macro extfunc name
	38	.global X(\name)
	39	#if _CALL_ELF == 2
	40	.text
	41	X(\name):
	42	addis %r2, %r12, .TOC.-X(\name)@ha
	43	addi %r2, %r2, .TOC.-X(\name)@l
	44	.localentry X(\name), .-X(\name)
	45	#else
	46	.section .opd, "aw"
	47	X(\name):
	48	.quad L(\name), .TOC.@tocbase, 0
	49	.previous
	50	.type X(\name), STT_FUNC
	51	L(\name):
	52	#endif
	53	.endm
	54
	55	.macro movrel rd, sym, gp
	56	ld \rd, \sym@got(r2)
	57	.endm
	58
	59	.macro get_got rd
	60	.endm
	61
	62	#else /* ARCH_PPC64 */
	63
	64	#define PTR .int
65	#define lp lwz
66	#define lpx lwzx
67	#define stp stw
68	#define stpu stwu
69	#define PS 4
70	#define L(s) s
71
72	.macro extfunc name
73	.global X(\name)
74	.type X(\name), STT_FUNC
75	X(\name):
76	\name:
77	.endm
78
79	.macro movrel rd, sym, gp
80	#if CONFIG_PIC
81	lwz \rd, \sym@got(\gp)
82	#else
83	lis \rd, \sym@ha
84	la \rd, \sym@l(\rd)
85	#endif
86	.endm
87
88	.macro get_got rd
89	#if CONFIG_PIC
90	bcl 20, 31, .Lgot\@
91	.Lgot\@:
92	mflr \rd
93	addis \rd, \rd, _GLOBAL_OFFSET_TABLE_ - .Lgot\@@ha
94	addi \rd, \rd, _GLOBAL_OFFSET_TABLE_ - .Lgot\@@l
95	#endif
96	.endm
97
98	#endif /* ARCH_PPC64 */
99
100	#if HAVE_IBM_ASM
101
102	.macro DEFINE_REG n
103	.equiv r\n, \n
104	.equiv f\n, \n
105	.equiv v\n, \n
106	.endm
107
108	DEFINE_REG 0
109	DEFINE_REG 1
110	DEFINE_REG 2
111	DEFINE_REG 3
112	DEFINE_REG 4
113	DEFINE_REG 5
114	DEFINE_REG 6
115	DEFINE_REG 7
116	DEFINE_REG 8
117	DEFINE_REG 9
118	DEFINE_REG 10
119	DEFINE_REG 11
120	DEFINE_REG 12
121	DEFINE_REG 13
122	DEFINE_REG 14
123	DEFINE_REG 15
124	DEFINE_REG 16
125	DEFINE_REG 17
126	DEFINE_REG 18
127	DEFINE_REG 19
128	DEFINE_REG 20
129	DEFINE_REG 21
130	DEFINE_REG 22
131	DEFINE_REG 23
132	DEFINE_REG 24
133	DEFINE_REG 25
134	DEFINE_REG 26
135	DEFINE_REG 27
136	DEFINE_REG 28
137	DEFINE_REG 29
138	DEFINE_REG 30
139	DEFINE_REG 31
140
141	#endif /* HAVE_IBM_ASM */