repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> | |
| 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 | #ifdef __ELF__ | |
| 24 | # define ELF | |
| 25 | #else | |
| 26 | # define ELF # | |
| 27 | #endif | |
| 28 | ||
| 29 | #if HAVE_AS_FUNC | |
| 30 | # define FUNC | |
| 31 | #else | |
| 32 | # define FUNC # | |
| 33 | #endif | |
| 34 | ||
| 35 | .macro function name, export=0, align=2 | |
| 36 | .macro endfunc | |
| 37 | ELF .size \name, . - \name | |
| 38 | FUNC .endfunc | |
| 39 | .purgem endfunc | |
| 40 | .endm | |
| 41 | .text | |
| 42 | .align \align | |
| 43 | .if \export | |
| 44 | .global EXTERN_ASM\name | |
| 45 | ELF .type EXTERN_ASM\name, %function | |
| 46 | FUNC .func EXTERN_ASM\name | |
| 47 | EXTERN_ASM\name: | |
| 48 | .else | |
| 49 | ELF .type \name, %function | |
| 50 | FUNC .func \name | |
| 51 | \name: | |
| 52 | .endif | |
| 53 | .endm | |
| 54 | ||
| 55 | .macro const name, align=2 | |
| 56 | .macro endconst | |
| 57 | ELF .size \name, . - \name | |
| 58 | .purgem endconst | |
| 59 | .endm | |
| 60 | #ifndef __MACH__ | |
| 61 | .section .rodata | |
| 62 | #else | |
| 63 | .const_data | |
| 64 | #endif | |
| 65 | .align \align | |
| 66 | \name: | |
| 67 | .endm | |
| 68 | ||
| 69 | .macro movrel rd, val | |
| 70 | #if CONFIG_PIC && defined(__APPLE__) | |
| 71 | adrp \rd, \val@PAGE | |
| 72 | add \rd, \rd, \val@PAGEOFF | |
| 73 | #elif CONFIG_PIC | |
| 74 | adrp \rd, \val | |
| 75 | add \rd, \rd, :lo12:\val | |
| 76 | #else | |
| 77 | ldr \rd, =\val | |
| 78 | #endif | |
| 79 | .endm | |
| 80 | ||
| 81 | #define GLUE(a, b) a ## b | |
| 82 | #define JOIN(a, b) GLUE(a, b) | |
| 83 | #define X(s) JOIN(EXTERN_ASM, s) |