| 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 */ |