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#include <u.h>
#include <libc.h>
#include <bio.h>
#include "../7c/7.out.h"
typedef struct Adr Adr;
typedef struct Sym Sym;
typedef struct Autom Auto;
typedef struct Prog Prog;
typedef struct Optab Optab;
typedef struct Oprang Oprang;
typedef uchar Opcross[32][2][32];
typedef struct Count Count;
#define P ((Prog*)0)
#define S ((Sym*)0)
#define TNAME (curtext&&curtext->from.sym?curtext->from.sym->name:noname)
struct Adr
{
union
{
vlong offset;
char* sval;
Ieee* ieee;
};
union
{
Auto* autom;
Sym* sym;
};
char type;
char reg;
char name;
char class;
};
struct Prog
{
Adr from;
Adr to;
union
{
long regused;
Prog* forwd;
};
Prog* cond;
Prog* link;
long pc;
long line;
uchar mark;
uchar optab;
uchar as;
char reg;
};
struct Sym
{
char *name;
short type;
short version;
short become;
short frame;
long value;
Sym* link;
};
struct Autom
{
Sym* sym;
Auto* link;
long offset;
short type;
};
struct Optab
{
uchar as;
char a1;
char a2;
char a3;
char type;
char size;
char param;
};
struct Oprang
{
Optab* start;
Optab* stop;
};
struct Count
{
long count;
long outof;
};
enum
{
STEXT = 1,
SDATA,
SBSS,
SDATA1,
SXREF,
SLEAF,
SFILE,
SCONST,
C_NONE = 0,
C_REG,
C_FREG,
C_FCREG,
C_PREG,
C_PCC,
C_ZCON,
C_BCON,
C_NCON,
C_SCON,
C_UCON,
C_LCON,
C_QCON,
C_SACON,
C_SECON,
C_LACON,
C_LECON,
C_SBRA,
C_LBRA,
C_SAUTO,
C_SEXT,
C_LAUTO,
C_LEXT,
C_ZOREG,
C_SOREG,
C_LOREG,
C_GOK,
NSCHED = 20,
/* mark flags */
FOLL = 1<<0,
LABEL = 1<<1,
LEAF = 1<<2,
SYNC = 1<<3,
BRANCH = 1<<4,
LABEL2 = 1<<5,
COMPARE = 1<<6,
NOSCHED = 1<<7,
BIG = 32760,
STRINGSZ = 200,
NHASH = 10007,
NHUNK = 100000,
MINSIZ = 64,
NENT = 100,
MAXIO = 8192,
MAXHIST = 20, /* limit of path elements for history symbols */
};
union
{
struct
{
uchar cbuf[MAXIO]; /* output buffer */
uchar xbuf[MAXIO]; /* input buffer */
};
char dbuf[1];
} buf;
long HEADR; /* length of header */
int HEADTYPE; /* type of header */
long INITDAT; /* data location */
long INITRND; /* data round above text location */
long INITTEXT; /* text location */
char* INITENTRY; /* entry point */
long autosize;
Biobuf bso;
long bsssize;
int cbc;
uchar* cbp;
int cout;
Auto* curauto;
Auto* curhist;
Prog* curp;
Prog* curtext;
Prog* datap;
long datsize;
char debug[128];
Prog* etextp;
Prog* firstp;
char fnuxi8[8];
char* noname;
Sym* hash[NHASH];
Sym* histfrog[MAXHIST];
int histfrogp;
int histgen;
char* library[50];
char* libraryobj[50];
int libraryp;
int xrefresolv;
char* hunk;
char inuxi1[1];
char inuxi2[2];
char inuxi4[4];
Prog* lastp;
long lcsize;
char literal[32];
int nerrors;
long nhunk;
vlong offset;
Opcross opcross[7];
Oprang oprange[ALAST];
char* outfile;
long pc;
Prog *prog_divq;
Prog *prog_divqu;
Prog *prog_modq;
Prog *prog_modqu;
Prog *prog_divl;
Prog *prog_divlu;
Prog *prog_modl;
Prog *prog_modlu;
uchar repop[ALAST];
long symsize;
Prog* textp;
long textsize;
long thunk;
int version;
char xcmp[32][32];
Prog zprg;
int dtype;
extern char* anames[];
extern Optab optab[];
#pragma varargck type "A" int
#pragma varargck type "A" uint
#pragma varargck type "D" Adr*
#pragma varargck type "N" Adr*
#pragma varargck type "P" Prog*
#pragma varargck type "S" char*
#pragma varargck argpos diag 1
int Aconv(Fmt*);
int Dconv(Fmt*);
int Nconv(Fmt*);
int Pconv(Fmt*);
int Sconv(Fmt*);
int aclass(Adr*);
void addhist(long, int);
void addnop(Prog*);
void append(Prog*, Prog*);
void asmb(void);
void asmlc(void);
int asmout(Prog*, Optab*);
void asmsym(void);
long atolwhex(char*);
Prog* brloop(Prog*);
Biobuf bso;
void buildop(void);
void buildrep(int, int);
void cflush(void);
int cmp(int, int);
int compound(Prog*);
int conflict(long, long);
double cputime(void);
void datblk(long, long);
int depend(long, long);
void diag(char*, ...);
Prog *divsubr(int);
void dodata(void);
void doprof1(void);
void doprof2(void);
long entryvalue(void);
void errorexit(void);
void exchange(Prog*);
int find1(long, int);
void follow(void);
Prog *genXXX(Prog *, int, Adr*, int, Adr*);
Prog *genRRR(Prog *, int, int, int, int);
Prog *genIRR(Prog *, int, vlong, int, int);
Prog *genstore(Prog *, int, int, vlong, int);
Prog *genload(Prog *, int, vlong, int, int);
Prog *genjmp(Prog *, int, vlong, int);
void gethunk(void);
void histtoauto(void);
double ieeedtod(Ieee*);
long ieeedtof(Ieee*);
void initdiv(void);
void ldobj(int, long, char*);
void loadlib(void);
void listinit(void);
Sym* lookup(char*, int);
void lput(long);
void lputbe(long);
void mkfwd(void);
void* mysbrk(ulong);
void names(void);
void nocache(Prog*);
void noops(void);
void nuxiinit(void);
void objfile(char*);
int ocmp(void*, void*);
long opcode(int);
Optab* oplook(Prog*);
void patch(void);
void prasm(Prog*);
void prepend(Prog*, Prog*);
Prog* prg(void);
int pseudo(Prog*);
void putsymb(char*, int, long, int);
vlong regoff(Adr*);
long regused(Prog*);
int relinv(int);
long rnd(long, long);
void sched(Prog*, Prog*);
void span(void);
void vlput(vlong);
void undef(void);
void xdefine(char*, int, long);
void xfol(Prog*);
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