/*
- * 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.
*
#ifndef FIRM_BE_BEGNUAS_H
#define FIRM_BE_BEGNUAS_H
+#include <stdbool.h>
#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
+ GAS_SECTION_TEXT, /**< text section - contains program code */
+ GAS_SECTION_DATA, /**< data section - contains arbitrary data */
+ GAS_SECTION_RODATA, /**< rodata section - contains read-only data */
+ GAS_SECTION_BSS, /**< bss section - contains uninitialized data */
+ GAS_SECTION_TLS, /**< thread local storage section */
+ 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
} 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_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_LAST = OBJECT_FILE_FORMAT_MACH_O
+} object_file_format_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;
+/**
+ * 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 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(be_emit_env_t *env, const be_main_env_t *main_env,
- int only_emit_marked_entities);
+void be_gas_emit_decls(const be_main_env_t *main_env);
+
+/**
+ * Emit an entity (the entities name or a block label)
+ */
+void be_gas_emit_entity(ir_entity *entity);
/**
* 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_emit_env_t *env, be_gas_section_t 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(ir_entity *entity, unsigned po2alignment);
+
+void be_gas_emit_function_epilog(ir_entity *entity);
/**
* Return the label prefix for labeled blocks.
*/
-const char *be_gas_label_prefix(void);
+const char *be_gas_block_label_prefix(void);
+
+/**
+ * Return the label prefix for labeled instructions.
+ */
+const char *be_gas_insn_label_prefix(void);
-#endif /* FIRM_BE_BEGNUAS_H */
+#endif
projects / libfirm / blobdiff