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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include <u.h>
#include <libc.h>
#include "../gc/go.h"
#include "../5l/5.out.h"
#ifndef EXTERN
#define EXTERN extern
#endif
typedef struct Addr Addr;
struct Addr
{
int32 offset;
int32 offset2;
double dval;
Prog* branch;
char sval[NSNAME];
Sym* sym;
int width;
uchar type;
char reg;
uchar index;
uchar etype;
uchar scale; /* doubles as width in DATA op */
};
#define A ((Addr*)0)
struct Prog
{
short as; // opcode
uint32 loc; // pc offset in this func
uint32 lineno; // source line that generated this
Addr from; // src address
Addr to; // dst address
Prog* link; // next instruction in this func
char reg;
uchar scond;
};
#define REGALLOC_R0 0
#define REGALLOC_RMAX REGEXT
#define REGALLOC_F0 (REGALLOC_RMAX+1)
#define REGALLOC_FMAX (REGALLOC_F0 + FREGEXT)
EXTERN Biobuf* bout;
EXTERN int32 dynloc;
EXTERN uchar reg[REGALLOC_FMAX];
EXTERN int32 pcloc; // instruction counter
EXTERN Strlit emptystring;
extern char* anames[];
EXTERN Hist* hist;
EXTERN Prog zprog;
EXTERN Node* curfn;
EXTERN Node* newproc;
EXTERN Node* deferproc;
EXTERN Node* deferreturn;
EXTERN Node* throwindex;
EXTERN Node* throwreturn;
EXTERN int maxstksize;
/*
* gen.c
*/
void compile(Node*);
void proglist(void);
void gen(Node*);
Node* lookdot(Node*, Node*, int);
void cgen_as(Node*, Node*);
void cgen_callmeth(Node*, int);
void cgen_callinter(Node*, Node*, int);
void cgen_proc(Node*, int);
void cgen_callret(Node*, Node*);
void cgen_div(int, Node*, Node*, Node*);
void cgen_bmul(int, Node*, Node*, Node*);
void cgen_shift(int, Node*, Node*, Node*);
void cgen_dcl(Node*);
int needconvert(Type*, Type*);
void genconv(Type*, Type*);
void allocparams(void);
void checklabels();
void ginscall(Node*, int);
int gen_as_init(Node*, Node*);
/*
* cgen
*/
void agen(Node*, Node*);
void igen(Node*, Node*, Node*);
vlong fieldoffset(Type*, Node*);
void bgen(Node*, int, Prog*);
void sgen(Node*, Node*, int32);
void gmove(Node*, Node*);
Prog* gins(int, Node*, Node*);
int samaddr(Node*, Node*);
void raddr(Node *n, Prog *p);
void naddr(Node*, Addr*);
void cgen_aret(Node*, Node*);
/*
* gsubr.c
*/
void clearp(Prog*);
void proglist(void);
Prog* gbranch(int, Type*);
Prog* prog(int);
void gaddoffset(Node*);
void gconv(int, int);
int conv2pt(Type*);
vlong convvtox(vlong, int);
void fnparam(Type*, int, int);
Prog* gop(int, Node*, Node*, Node*);
void setconst(Addr*, vlong);
void setaddr(Addr*, Node*);
int optoas(int, Type*);
void ginit(void);
void gclean(void);
void regalloc(Node*, Type*, Node*);
void regfree(Node*);
void tempalloc(Node*, Type*);
void tempfree(Node*);
Node* nodarg(Type*, int);
void nodreg(Node*, Type*, int);
void nodindreg(Node*, Type*, int);
void gconreg(int, vlong, int);
void buildtxt(void);
Plist* newplist(void);
int isfat(Type*);
void sudoclean(void);
int sudoaddable(int, Node*, Addr*);
void afunclit(Addr*);
void datagostring(Strlit*, Addr*);
/*
* obj.c
*/
void datastring(char*, int, Addr*);
/*
* list.c
*/
int Aconv(Fmt*);
int Dconv(Fmt*);
int Pconv(Fmt*);
int Rconv(Fmt*);
int Yconv(Fmt*);
void listinit(void);
void zaddr(Biobuf*, Addr*, int);
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