X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbegnuas.h;h=12e2aa7695e8ecd7a9916e2aa63f20ae206248b1;hb=5474a1c188c9d59eea2c915515980cd9cbab58d8;hp=d8ceb388e646f4cd7d5edb1faf47af1b9b2e50a3;hpb=c0acb5cc9a2967e31e2b2961a98831d674cea3b8;p=libfirm diff --git a/ir/be/begnuas.h b/ir/be/begnuas.h index d8ceb388e..12e2aa769 100644 --- a/ir/be/begnuas.h +++ b/ir/be/begnuas.h @@ -1,42 +1,135 @@ +/* + * 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 */ -#ifndef _BE_GEN_DECLS_H_ -#define _BE_GEN_DECLS_H_ +#ifndef FIRM_BE_BEGNUAS_H +#define FIRM_BE_BEGNUAS_H -#include "be.h" +#include +#include "be_types.h" #include "beemitter.h" +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_DEBUG_INFO, /**< dwarf debug info */ + GAS_SECTION_DEBUG_ABBREV, /**< dwarf debug abbrev */ + GAS_SECTION_DEBUG_LINE, /**< dwarf debug line */ + GAS_SECTION_DEBUG_PUBNAMES, /**< dwarf pub names */ + GAS_SECTION_LAST = GAS_SECTION_DEBUG_PUBNAMES, + 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; +ENUM_BITSET(be_gas_section_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_LAST = OBJECT_FILE_FORMAT_MACH_O +} object_file_format_t; + +typedef enum elf_variant_t { + ELF_VARIANT_NORMAL, + ELF_VARIANT_SPARC +} elf_variant_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 elf_variant_t be_gas_elf_variant; + /** - * Sections. + * the .type directive needs to specify @function, #function or %function + * depending on the target architecture */ -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 -} be_gas_section_t; +extern char be_gas_elf_type_char; -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; +/** + * 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); -extern be_gas_flavour_t be_gas_flavour; +/** + * 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); /** - * Generate all entities. + * 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_decls(be_emit_env_t *env, const be_main_env_t *main_env, - int only_emit_marked_entities); +void be_gas_emit_entity(const ir_entity *entity); -void be_gas_emit_switch_section(be_emit_env_t *env, be_gas_section_t section); +/** + * Emit (a private) symbol name for a firm block + */ +void be_gas_emit_block_name(const ir_node *block); + +/** + * Starts emitting a compilation unit. This emits: + * - global assembler snippets + * - debug info + */ +void be_gas_begin_compilation_unit(const be_main_env_t *env); + +/** + * ends a compilation unit. This emits: + * - global declarations/variables + * - debug info + */ +void be_gas_end_compilation_unit(const be_main_env_t *env); + +/** + * Return the label prefix for labeled instructions. + */ +const char *be_gas_insn_label_prefix(void); + +typedef ir_node* (*get_cfop_target_func)(const ir_node *cfop); + +/** + * Emits a jump table for switch operations + */ +void be_emit_jump_table(const ir_node *node, const ir_switch_table *table, + ir_entity *entity, + get_cfop_target_func get_cfop_target); #endif