36d7d1ee4e
instruction labels descriptor blocks refer to; this allows csa and csb to know where they're going.
116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
#ifndef MCG_H
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#define MCG_H
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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#include "em_arith.h"
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#include "em_label.h"
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#include "em.h"
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#include "em_comp.h"
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#include "em_pseu.h"
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#include "em_mnem.h"
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#include "em_flag.h"
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#include "em_ptyp.h"
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#include "array.h"
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#include "ir.h"
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extern char em_pseu[][4];
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extern char em_mnem[][4];
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extern char em_flag[];
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enum {
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SECTION_UNKNOWN = 0,
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SECTION_ROM,
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SECTION_DATA,
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SECTION_BSS,
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SECTION_TEXT
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};
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struct symbol
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{
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const char* name;
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int section;
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bool is_defined : 1;
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bool is_exported : 1;
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bool is_proc : 1;
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};
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enum
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{
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PARAM_NONE,
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PARAM_IVALUE,
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PARAM_LVALUE,
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PARAM_BVALUE,
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};
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struct insn
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{
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int opcode;
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int paramtype;
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union {
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arith ivalue;
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struct {
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const char* label;
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arith offset;
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} lvalue;
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struct {
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struct basicblock* left;
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struct basicblock* right;
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} bvalue;
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} u;
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};
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struct procedure
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{
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const char* name;
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struct basicblock* root_bb;
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size_t nlocals;
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ARRAY(struct basicblock, blocks);
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};
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struct basicblock
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{
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const char* name;
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ARRAY(struct insn, insns);
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ARRAY(struct ir, irs);
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ARRAY(struct basicblock, inblocks);
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ARRAY(struct basicblock, outblocks);
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ARRAY(struct ir, outs);
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ARRAY(struct ir, ins);
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bool is_root : 1;
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bool is_terminated : 1;
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};
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extern void fatal(const char* s, ...);
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extern const char* aprintf(const char* fmt, ...);
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extern void parse_em(void);
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extern void symbol_init(void);
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extern bool symbol_exists(const char* name);
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extern struct symbol* symbol_get(const char* name);
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extern void symbol_declare(const char* name, bool is_exported, bool is_proc);
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extern void data_label(const char* name);
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extern void data_int(arith data, size_t size, bool is_ro);
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extern void data_block(const uint8_t* data, size_t size, bool is_ro);
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extern void data_offset(const char* label, arith offset, bool is_ro);
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extern void data_bss(arith size, int init);
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extern void bb_init(void);
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extern struct basicblock* bb_get(const char* name);
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extern void bb_alias(struct basicblock* block, const char* name);
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extern void tb_filestart(void);
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extern void tb_fileend(void);
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extern void tb_procedure(struct procedure* proc);
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extern void tb_regvar(arith offset, int size, int type, int priority);
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#endif
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/* vim: set sw=4 ts=4 expandtab : */
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