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   1 /**
   2  * the 'generic' assemblercode emitter
   3  * @author Hannes Jakschitsch
   4  * @date 19.01.2005
   5  */
   6
   7 #ifndef _BEASM_TYPES_H
   8 #define _BEASM_TYPES_H
   9
  10 #include "type.h"
  11
  12
  13 /**
  14  *      Definition of symbolic segments
  15  **/
  16 typedef enum _asm_segment_t {
  17   ASM_SEGMENT_CONST  = 1,        /* < segment to store constant symbols */
  18   ASM_SEGMENT_DATA_INIT,         /* < segment to store initialized symbols */
  19   ASM_SEGMENT_CODE,              /* < segment to store code */
  20   ASM_SEGMENT_DATA_UNINIT,       /* < segment to store uninitialized symbols */
  21 } asm_segment_t;
  22
  23 typedef enum _asm_arith_operation_t {
  24
  25   ASM_ARITH_OPERATION_ADD = 1,
  26   ASM_ARITH_OPERATION_SUB,
  27   ASM_ARITH_OPERATION_MUL
  28
  29 } asm_arith_operation_t;
  30
  31
  32
  33
  34 typedef struct _assembler_t assembler_t;
  35
  36 typedef void (*dump_align_proc)(void* priv_data, asm_segment_t segment, int align);
  37 typedef void (*dump_arith_tarval_proc)(void* priv_data, asm_segment_t segment, tarval *tv, int bytes);
  38 typedef void (*dump_atomic_decl_proc)(void* priv_data, asm_segment_t segment, int bytes);
  39 typedef void (*dump_string_proc)(void* priv_data, asm_segment_t segment, entity *ent);
  40 typedef void (*dump_external_declaration_proc)(void* priv_data, asm_segment_t segment, const char* ld_name);
  41 typedef void (*dump_local_declaration_proc)(void* priv_data, asm_segment_t segment, const char* ld_name );
  42 // declares an uninitialized symbol.
  43 typedef void (*dump_declare_uninitialized_symbol_proc)(void* priv_data, asm_segment_t segment, const char* ldname, int bytes, int align, visibility visibility);
  44 typedef void (*dump_declare_initialized_symbol_proc)(void* priv_data, asm_segment_t segment, const char* ldname, int bytes, int align, visibility visibility);
  45 //typedef       void (*dump_declare_object_symbol_proc)(void* priv_data, asm_segment_t segment, const char* ld_name, int bytes);
  46 //typedef       void (*dump_declare_function_symbol_proc)(void* priv_data, asm_segment_t segment, const char* ld_name);
  47 //typedef       void (*dump_object_symbol_init_decl_proc)(void* priv_data, asm_segment_t segment, const char* ld_name);
  48 // emits a zero padding directive.
  49 typedef void (*dump_zero_padding_proc)(void* priv_data, asm_segment_t segment, int bytes);
  50 typedef void (*dump_arith_op_proc)(void* priv_data, asm_segment_t segment, asm_arith_operation_t op);
  51 typedef void (*dump_symconst_proc)(void* priv_data, asm_segment_t segment, ir_node *init);
  52 /*typedef       void (*dump_size_proc)(void* priv_data, asm_segment_t segment, int size);
  53 typedef void (*dump_addr_name_proc)(void* priv_data, asm_segment_t segment, const char* addr_name);
  54 typedef void (*dump_addr_ent_proc)(void* priv_data, asm_segment_t segment, const char* addr_ent); */
  55 typedef void (*dump_newline_proc)(void* priv_data, asm_segment_t segment);
  56
  57 ///////////////////////////////////////////////////////////////////////////
  58
  59 typedef void (*dump_header_proc)(void* priv_data);
  60 typedef void (*dump_footer_proc)(void* priv_data);
  61 typedef void (*dump_segment_header_proc)(void* priv_data);
  62
  63 struct _assembler_t {
  64
  65         ///////////////////////////////////////////////////////////////////////////
  66   // declarators
  67
  68   dump_declare_uninitialized_symbol_proc dump_declare_uninitialized_symbol;
  69   dump_declare_initialized_symbol_proc dump_declare_initialized_symbol;
  70
  71         ///////////////////////////////////////////////////////////////////////////
  72   // initializers
  73
  74
  75   // declare an atomic value of BYTES size.
  76   // e.g. .long or .byte
  77   // needed when emitting an initializer
  78         dump_atomic_decl_proc dump_atomic_decl;
  79   // dump a target value. needed when emitting an initializer
  80         dump_arith_tarval_proc dump_arith_tarval;
  81   // dump a string. needed when emitting an initializer. improves readability.
  82         dump_string_proc dump_string;
  83   // dump a zero padding.
  84         dump_zero_padding_proc dump_zero_padding;
  85   // dump an arithmetic operator. used when initializers are expressions
  86   // that cannot be evaluated and must be computed by the assembler.
  87         dump_arith_op_proc dump_arith_op;
  88   // dump a symconst
  89   dump_symconst_proc dump_symconst;
  90
  91         ///////////////////////////////////////////////////////////////////////////
  92   // formatters.
  93         dump_newline_proc dump_newline;
  94         dump_header_proc  dump_header;
  95         dump_footer_proc  dump_footer;
  96         dump_segment_header_proc dump_segment_header;
  97
  98         void *private_data;
  99 };
 100
 101
 102
 103 #endif