convenience function to see if mux gets optimized away

[libfirm] / ir / be / begnuas.h

diff --git a/ir/be/begnuas.h b/ir/be/begnuas.h
index c259fdc..72958eb 100644 (file)
--- a/ir/be/begnuas.h
+++ b/ir/be/begnuas.h
@@ -28,23 +28,26 @@
 #define FIRM_BE_BEGNUAS_H
 
 #include <stdbool.h>
-#include "be.h"
+#include "be_types.h"
 #include "beemitter.h"
 
-typedef enum section_t {
-       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_DATA, /**< thread local storage section */
-       GAS_SECTION_TLS_BSS,  /**< thread local storage yero initialized */
-       GAS_SECTION_CONSTRUCTORS,   /**< ctors section */
-       GAS_SECTION_DESTRUCTORS,    /**< dtors section */
-       GAS_SECTION_CSTRING, /**< section for constant strings */
+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_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)
 
 typedef enum object_file_format_t {
        OBJECT_FILE_FORMAT_ELF,    /**< Executable and Linkable Format (unixes) */
@@ -53,19 +56,25 @@ typedef enum object_file_format_t {
        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;
+
 /**
  * the .type directive needs to specify @function, #function or %function
- * depending on the target architecture (yay)
+ * depending on the target architecture
  */
-extern char             be_gas_elf_type_char;
+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);
 
@@ -84,6 +93,8 @@ void be_gas_emit_function_prolog(const ir_entity *entity,
 
 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).
@@ -92,13 +103,21 @@ void be_gas_emit_function_epilog(const ir_entity *entity);
 void be_gas_emit_entity(const ir_entity *entity);
 
 /**
- * Return the label prefix for labeled blocks.
+ * Emit (a private) symbol name for a firm block
  */
-const char *be_gas_block_label_prefix(void);
+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
+ */
+void emit_jump_table(const ir_node *node, long default_pn, ir_entity *table,
+                     get_cfop_target_func get_cfop_target);
+
 #endif