X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbegnuas.h;h=72958eb56c6b51559b73bc71d81ad4c60b3af927;hb=2232b14b4acf810ae96a69d1d2a33cf150b695d9;hp=3ea670ab2beb03e3b7dd34656bda02c96c785f9b;hpb=49fd2386e6e66e2dd22abc7293726dec8a4ebde8;p=libfirm diff --git a/ir/be/begnuas.h b/ir/be/begnuas.h index 3ea670ab2..72958eb56 100644 --- a/ir/be/begnuas.h +++ b/ir/be/begnuas.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -27,57 +27,97 @@ #ifndef FIRM_BE_BEGNUAS_H #define FIRM_BE_BEGNUAS_H -#include "be.h" +#include +#include "be_types.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; +ENUM_BITSET(be_gas_section_t) -/** - * Support for some GAS "dialects". - */ -typedef enum asm_flavour_t { - GAS_FLAVOUR_NORMAL = 0, /**< normal gas (ELF) */ - GAS_FLAVOUR_MINGW = 1, /**< MinGW variant (no-ELF) */ - GAS_FLAVOUR_YASM = 2, /**< YASM GNU parser */ - GAS_FLAVOUR_MAX = 3 -} 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_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 be_gas_flavour_t be_gas_flavour; +extern object_file_format_t be_gas_object_file_format; +extern bool be_gas_emit_types; +extern elf_variant_t be_gas_elf_variant; + +/** + * the .type directive needs to specify @function, #function or %function + * depending on the target architecture + */ +extern char be_gas_elf_type_char; /** * Generate all entities. - * @param env the emitter environment * @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); +void be_gas_emit_decls(const be_main_env_t *main_env); /** * Switch the current output section to the given out. * - * @param env the emitter environment * @param section the new output section */ void be_gas_emit_switch_section(be_gas_section_t section); /** - * Return the label prefix for labeled blocks. + * 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_block_name(const ir_node *block); + +/** + * 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 */ -const char *be_gas_label_prefix(void); +void emit_jump_table(const ir_node *node, long default_pn, ir_entity *table, + get_cfop_target_func get_cfop_target); -#endif /* FIRM_BE_BEGNUAS_H */ +#endif