| 1 | /* |
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| 2 | * Copyright (c) 2011 Aeroflex Gaisler |
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| 3 | * |
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| 4 | * BSD license: |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 7 | * of this software and associated documentation files (the "Software"), to deal |
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| 8 | * in the Software without restriction, including without limitation the rights |
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| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 10 | * copies of the Software, and to permit persons to whom the Software is |
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| 11 | * furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included in |
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| 14 | * all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 22 | * THE SOFTWARE. |
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| 23 | */ |
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| 24 | |
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| 25 | |
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| 26 | #ifndef _INCLUDE_LEON_ELFMACRO_h |
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| 27 | #define _INCLUDE_LEON_ELFMACRO_h |
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| 28 | |
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| 29 | #ifdef __ASSEMBLER__ |
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| 30 | #define _TEXT_SEG_ALIGN 4 |
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| 31 | #define _LIBLEONBARE_TEXT_SEG_START \ |
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| 32 | .text ; .balign _TEXT_SEG_ALIGN |
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| 33 | #define FUNC_BEGIN(func) func: |
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| 34 | #define FUNC_END(func) .size func, . - func |
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| 35 | |
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| 36 | #define GTEXT(sym) sym ; .type sym,@function |
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| 37 | #define GDATA(sym) sym ; .type sym,@object |
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| 38 | |
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| 39 | #define FUNC_EXPORT(func) .globl GTEXT(func) |
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| 40 | #define DATA_EXPORT(var) .globl GDATA(var) |
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| 41 | |
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| 42 | #define FUNC_IMPORT(func) .extern FUNC(func) |
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| 43 | #define DATA_IMPORT(var) .extern var |
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| 44 | #endif |
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| 45 | |
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| 46 | #ifndef weak_alias |
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| 47 | /* Define ALIASNAME as a weak alias for NAME. */ |
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| 48 | # define weak_alias(name, aliasname) _weak_alias (name, aliasname) |
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| 49 | # define _weak_alias(name, aliasname) \ |
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| 50 | extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))); |
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| 51 | #endif |
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| 52 | |
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| 53 | #ifndef strong_alias |
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| 54 | /* Define ALIASNAME as a strong alias for NAME. */ |
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| 55 | # define strong_alias(name, aliasname) _strong_alias(name, aliasname) |
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| 56 | # define _strong_alias(name, aliasname) \ |
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| 57 | extern __typeof (name) aliasname __attribute__ ((alias (#name))); |
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| 58 | #endif |
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| 59 | |
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| 60 | #ifndef __ASSEMBLER__ |
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| 61 | typedef int (*initcall_t) (void); |
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| 62 | extern initcall_t __leonbare_initcall_start; |
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| 63 | extern initcall_t __leonbare_initcall_end; |
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| 64 | |
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| 65 | #endif |
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| 66 | |
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| 67 | #if __GNUC_MINOR__ >= 3 |
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| 68 | # define __attribute_used__ __attribute__((__used__)) |
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| 69 | #else |
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| 70 | # define __attribute_used__ __attribute__((__unused__)) |
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| 71 | #endif |
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| 72 | |
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| 73 | #define __define_initcall(level,fn) \ |
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| 74 | static initcall_t __initcall_##fn __attribute_used__ \ |
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| 75 | __attribute__((__section__(".initcall" level ".init"))) = fn |
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| 76 | |
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| 77 | #define libc_initcall(fn) __define_initcall("1",fn) |
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| 78 | |
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| 79 | #endif /* !_INCLUDE_LEON_STACK_h */ |
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