X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbegnuas.h;h=bf360d3af720b61adbe4dd43be90904794871b44;hb=d0d5cc041a1bdc5a62aab757dbf7d3069796c63a;hp=53f853f1e42b2f7e4513313e11643e170cd8797b;hpb=863d31d7a5c8210432fef88b30fc3e8353131538;p=libfirm diff --git a/ir/be/begnuas.h b/ir/be/begnuas.h index 53f853f1e..bf360d3af 100644 --- a/ir/be/begnuas.h +++ b/ir/be/begnuas.h @@ -1,41 +1,111 @@ +/* + * 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 #include "be.h" #include "beemitter.h" -/** - * 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 +typedef enum { + GAS_SECTION_TEXT, /**< text section - program code */ + GAS_SECTION_DATA, /**< data section - arbitrary data */ + GAS_SECTION_RODATA, /**< rodata section - read-only data */ + GAS_SECTION_BSS, /**< bss section - zero initialized data */ + GAS_SECTION_CONSTRUCTORS, /**< ctors section */ + GAS_SECTION_DESTRUCTORS, /**< dtors section */ + GAS_SECTION_CSTRING, /**< section for constant strings */ + GAS_SECTION_PIC_TRAMPOLINES, /**< trampolines for pic codes */ + GAS_SECTION_PIC_SYMBOLS, /**< contains resolved pic symbols */ + GAS_SECTION_LAST = GAS_SECTION_PIC_SYMBOLS, + GAS_SECTION_TYPE_MASK = 0xFF, + + GAS_SECTION_FLAG_TLS = 1 << 8, /**< thread local flag */ + GAS_SECTION_FLAG_COMDAT = 1 << 9 /**< thread local version of _BSS */ } be_gas_section_t; -typedef enum asm_flavour_t { - GAS_FLAVOUR_NORMAL = 0, /**< normal gas */ - GAS_FLAVOUR_MINGW = 1, /**< MinGW variant */ - GAS_FLAVOUR_MAX = 2 -} be_gas_flavour_t; +typedef enum object_file_format_t { + OBJECT_FILE_FORMAT_ELF, /**< Executable and Linkable Format (unixes) */ + OBJECT_FILE_FORMAT_COFF, /**< Common Object File Format (Windows) */ + OBJECT_FILE_FORMAT_MACH_O, /**< Mach Object File Format (OS/X) */ + OBJECT_FILE_FORMAT_ELF_SPARC, /**< Sparc variant of ELF */ + OBJECT_FILE_FORMAT_LAST = OBJECT_FILE_FORMAT_ELF_SPARC +} object_file_format_t; + +/** The variable where the GAS dialect is stored. */ +extern object_file_format_t be_gas_object_file_format; +extern bool be_gas_emit_types; -extern be_gas_flavour_t be_gas_flavour; +/** + * the .type directive needs to specify @function, #function or %function + * depending on the target architecture (yay) + */ +extern char be_gas_elf_type_char; /** * Generate all entities. + * @param main_env the main backend environment + * @param emit_commons if non-zero, emit commons (non-local uninitialized entities) + */ +void be_gas_emit_decls(const be_main_env_t *main_env); + +/** + * 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_function_prolog(const ir_entity *entity, + unsigned po2alignment); + +void be_gas_emit_function_epilog(const ir_entity *entity); + +char const *be_gas_get_private_prefix(void); + +/** + * emit ld_ident of an entity and performs additional mangling if necessary. + * (mangling is necessary for ir_visibility_private for example). + * Emits a block label for type_code entities. + */ +void be_gas_emit_entity(const ir_entity *entity); + +/** + * Emit (a private) symbol name for a firm block */ -void be_gas_emit_decls(be_emit_env_t *env, const be_main_env_t *main_env); +void be_gas_emit_block_name(const ir_node *block); -void be_gas_emit_switch_section(be_emit_env_t *env, be_gas_section_t section); +/** + * Return the label prefix for labeled instructions. + */ +const char *be_gas_insn_label_prefix(void); #endif