X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbegnuas.h;h=f46ae139b32a57c41344d64f66f7df30718220ae;hb=d300330b1e6df8c8914b8fb70cf38ee1c8ca2634;hp=53f853f1e42b2f7e4513313e11643e170cd8797b;hpb=863d31d7a5c8210432fef88b30fc3e8353131538;p=libfirm diff --git a/ir/be/begnuas.h b/ir/be/begnuas.h index 53f853f1e..f46ae139b 100644 --- a/ir/be/begnuas.h +++ b/ir/be/begnuas.h @@ -1,10 +1,31 @@ +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + /** - * Header for ia32 assembler declarations dumper. - * @author Christian Wuerdig, Matthias Braun - * $Id$ + * @file + * @brief Dumps global variables and constants as gas assembler. + * @author Christian Wuerdig, Matthias Braun + * @date 04.11.2005 + * @version $Id$ */ -#ifndef _BE_GEN_DECLS_H_ -#define _BE_GEN_DECLS_H_ +#ifndef FIRM_BE_BEGNUAS_H +#define FIRM_BE_BEGNUAS_H #include "be.h" #include "beemitter.h" @@ -13,29 +34,57 @@ * Sections. */ typedef enum section_t { - GAS_SECTION_TEXT = 0, /**< text section */ - GAS_SECTION_DATA = 1, /**< data section */ - GAS_SECTION_RODATA = 2, /**< rodata section */ - GAS_SECTION_COMMON = 3, /**< common section */ - GAS_SECTION_TLS = 4, /**< thread local storage section */ - GAS_SECTION_CTOR = 5, /**< ctor section for instrumentation code init */ - GAS_SECTION_MAX = 6 + GAS_SECTION_TEXT, /**< text section */ + GAS_SECTION_DATA, /**< data section */ + GAS_SECTION_RODATA, /**< rodata section */ + GAS_SECTION_COMMON, /**< common section */ + GAS_SECTION_TLS, /**< thread local storage section */ + GAS_SECTION_CTOR, /**< ctor section for instrumentation code init */ + GAS_SECTION_CSTRING, /**< section for constant strings */ + GAS_SECTION_LAST = GAS_SECTION_CSTRING } be_gas_section_t; +/** + * Support for some GAS "dialects". + */ typedef enum asm_flavour_t { - GAS_FLAVOUR_NORMAL = 0, /**< normal gas */ - GAS_FLAVOUR_MINGW = 1, /**< MinGW variant */ - GAS_FLAVOUR_MAX = 2 + GAS_FLAVOUR_ELF, /**< ELF variant */ + GAS_FLAVOUR_MINGW, /**< MinGW variant (no-ELF) */ + GAS_FLAVOUR_YASM, /**< YASM GNU parser */ + GAS_FLAVOUR_MACH_O, /**< Mach-O variant (as found on darwin, OS/X) */ + GAS_FLAVOUR_LAST = GAS_FLAVOUR_MACH_O } be_gas_flavour_t; +/** The variable where the GAS dialect is stored. */ extern be_gas_flavour_t be_gas_flavour; - /** * Generate all entities. + * @param main_env the main backend environment + * @param emit_commons if non-zero, emit commons (non-local uninitialized entities) + * @param only_emit_marked if non-zero, external allocated entities that do not have + * its visited flag set are ignored + */ +void be_gas_emit_decls(const be_main_env_t *main_env, + int only_emit_marked_entities); + +/** + * Switch the current output section to the given out. + * + * @param section the new output section + */ +void be_gas_emit_switch_section(be_gas_section_t section); + +/** + * emit assembler instructions necessary before starting function code */ -void be_gas_emit_decls(be_emit_env_t *env, const be_main_env_t *main_env); +void be_gas_emit_function_prolog(ir_entity *entity, unsigned alignment); -void be_gas_emit_switch_section(be_emit_env_t *env, be_gas_section_t section); +void be_gas_emit_function_epilog(ir_entity *entity); + +/** + * Return the label prefix for labeled blocks. + */ +const char *be_gas_label_prefix(void); #endif