diff options
Diffstat (limited to 'include/grub/symbol.h')
-rw-r--r-- | include/grub/symbol.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/grub/symbol.h b/include/grub/symbol.h new file mode 100644 index 0000000..ed19f70 --- /dev/null +++ b/include/grub/symbol.h @@ -0,0 +1,72 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2006,2007,2008,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GRUB_SYMBOL_HEADER +#define GRUB_SYMBOL_HEADER 1 + +#include <config.h> + +/* Apple assembler requires local labels to start with a capital L */ +#define LOCAL(sym) L_ ## sym + +/* Add an underscore to a C symbol in assembler code if needed. */ +#ifndef GRUB_UTIL + +#ifdef __APPLE__ +#define MACRO_DOLLAR(x) $$ ## x +#else +#define MACRO_DOLLAR(x) $ ## x +#endif + +#if HAVE_ASM_USCORE +#ifdef ASM_FILE +# define EXT_C(sym) _ ## sym +#else +# define EXT_C(sym) "_" sym +#endif +#else +# define EXT_C(sym) sym +#endif + +#ifdef __arm__ +#define END .end +#endif + +#if defined (__APPLE__) +#define FUNCTION(x) .globl EXT_C(x) ; EXT_C(x): +#define VARIABLE(x) .globl EXT_C(x) ; EXT_C(x): +#elif defined (__CYGWIN__) || defined (__MINGW32__) +/* .type not supported for non-ELF targets. XXX: Check this in configure? */ +#define FUNCTION(x) .globl EXT_C(x) ; .def EXT_C(x); .scl 2; .type 32; .endef; EXT_C(x): +#define VARIABLE(x) .globl EXT_C(x) ; .def EXT_C(x); .scl 2; .type 0; .endef; EXT_C(x): +#elif defined (__arm__) +#define FUNCTION(x) .globl EXT_C(x) ; .type EXT_C(x), %function ; EXT_C(x): +#define VARIABLE(x) .globl EXT_C(x) ; .type EXT_C(x), %object ; EXT_C(x): +#else +#define FUNCTION(x) .globl EXT_C(x) ; .type EXT_C(x), @function ; EXT_C(x): +#define VARIABLE(x) .globl EXT_C(x) ; .type EXT_C(x), @object ; EXT_C(x): +#endif +#endif + +/* Mark an exported symbol. */ +#ifndef GRUB_SYMBOL_GENERATOR +# define EXPORT_FUNC(x) x +# define EXPORT_VAR(x) x +#endif /* ! GRUB_SYMBOL_GENERATOR */ + +#endif /* ! GRUB_SYMBOL_HEADER */ |