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#include <u.h>
#include <libc.h>
#include <bio.h>
#include "../kc/k.out.h"
#ifndef EXTERN
#define EXTERN extern
#endif
#define LIBNAMELEN 300
typedef struct Adr Adr;
typedef struct Sym Sym;
typedef struct Autom Auto;
typedef struct Prog Prog;
typedef struct Optab Optab;
#define P ((Prog*)0)
#define S ((Sym*)0)
#define TNAME (curtext&&curtext->from.sym?curtext->from.sym->name:noname)
struct Adr
{
union
{
long u0offset;
char u0sval[NSNAME];
Ieee u0ieee;
} u0;
union
{
Auto* u1autom;
Sym* u1sym;
} u1;
char type;
char reg;
char name;
char class;
};
#define offset u0.u0offset
#define sval u0.u0sval
#define ieee u0.u0ieee
#define autom u1.u1autom
#define sym u1.u1sym
struct Prog
{
Adr from;
Adr to;
Prog *forwd;
Prog *cond;
Prog *link;
long pc;
long regused;
short line;
short 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 *asym;
Auto *link;
long aoffset;
short type;
};
struct Optab
{
uchar as;
char a1;
char a2;
char a3;
char type;
char size;
char param;
};
EXTERN struct
{
Optab* start;
Optab* stop;
} oprange[AEND];
enum
{
AXLD = AEND+1,
AXST,
FPCHIP = 1,
BIG = 4096-8,
STRINGSZ = 200,
MAXIO = 8192,
MAXHIST = 20, /* limit of path elements for history symbols */
DATBLK = 1024,
NHASH = 10007,
NHUNK = 100000,
MINSIZ = 64,
NENT = 100,
NSCHED = 20,
/* mark flags */
LABEL = 1<<0,
LEAF = 1<<1,
FLOAT = 1<<2,
BRANCH = 1<<3,
LOAD = 1<<4,
FCMP = 1<<5,
SYNC = 1<<6,
LIST = 1<<7,
FOLL = 1<<8,
NOSCHED = 1<<9,
STEXT = 1,
SDATA,
SBSS,
SDATA1,
SXREF,
SLEAF,
SFILE,
SCONST,
C_NONE = 0,
C_REG,
C_FREG,
C_CREG,
C_PREG,
C_FSR,
C_FQ,
C_ZCON, /* 0 */
C_SCON, /* 13 bit signed */
C_UCON, /* low 10 bits 0 */
C_LCON, /* other */
C_SACON,
C_SECON,
C_LACON,
C_LECON,
C_SBRA,
C_LBRA,
C_ESAUTO,
C_OSAUTO,
C_SAUTO,
C_OLAUTO,
C_ELAUTO,
C_LAUTO,
C_ESEXT,
C_OSEXT,
C_SEXT,
C_ELEXT,
C_OLEXT,
C_LEXT,
C_ZOREG,
C_SOREG,
C_LOREG,
C_ASI,
C_ANY,
C_GOK,
C_NCLASS
};
EXTERN union
{
struct
{
uchar obuf[MAXIO]; /* output buffer */
uchar ibuf[MAXIO]; /* input buffer */
} u;
char dbuf[1];
} buf;
#define cbuf u.obuf
#define xbuf u.ibuf
EXTERN long HEADR; /* length of header */
EXTERN int HEADTYPE; /* type of header */
EXTERN long INITDAT; /* data location */
EXTERN long INITRND; /* data round above text location */
EXTERN long INITTEXT; /* text location */
EXTERN char* INITENTRY; /* entry point */
EXTERN long autosize;
EXTERN Biobuf bso;
EXTERN long bsssize;
EXTERN int cbc;
EXTERN uchar* cbp;
EXTERN int cout;
EXTERN Auto* curauto;
EXTERN Auto* curhist;
EXTERN Prog* curp;
EXTERN Prog* curtext;
EXTERN Prog* datap;
EXTERN Prog* prog_mul;
EXTERN Prog* prog_div;
EXTERN Prog* prog_divl;
EXTERN Prog* prog_mod;
EXTERN Prog* prog_modl;
EXTERN long datsize;
EXTERN char debug[128];
EXTERN Prog* firstp;
EXTERN char fnuxi8[8];
EXTERN Sym* hash[NHASH];
EXTERN Sym* histfrog[MAXHIST];
EXTERN int histfrogp;
EXTERN int histgen;
EXTERN char* library[50];
EXTERN char* libraryobj[50];
EXTERN int libraryp;
EXTERN int xrefresolv;
EXTERN char* hunk;
EXTERN char inuxi1[1];
EXTERN char inuxi2[2];
EXTERN char inuxi4[4];
EXTERN Prog* lastp;
EXTERN long lcsize;
EXTERN char literal[32];
EXTERN int nerrors;
EXTERN long nhunk;
EXTERN char* noname;
EXTERN long instoffset;
EXTERN char* outfile;
EXTERN long pc;
EXTERN long symsize;
EXTERN long staticgen;
EXTERN Prog* textp;
EXTERN long textsize;
EXTERN long tothunk;
EXTERN char xcmp[C_NCLASS][C_NCLASS];
EXTERN int version;
EXTERN Prog zprg;
EXTERN int dtype;
extern Optab optab[];
extern char* anames[];
#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 histtoauto(void);
void addlibpath(char*);
void addnop(Prog*);
void append(Prog*, Prog*);
void asmb(void);
void asmlc(void);
int asmout(Prog*, Optab*, int);
void asmsym(void);
long atolwhex(char*);
Prog* brloop(Prog*);
void buildop(void);
void cflush(void);
int cmp(int, int);
int compound(Prog*);
double cputime(void);
void datblk(long, long);
void diag(char*, ...);
void dodata(void);
void doprof1(void);
void doprof2(void);
long entryvalue(void);
void errorexit(void);
void exchange(Prog*);
int fileexists(char*);
int find1(long, int);
char* findlib(char*);
void follow(void);
void gethunk(void);
double ieeedtod(Ieee*);
long ieeedtof(Ieee*);
int isnop(Prog*);
void ldobj(int, long, char*);
void loadlib(void);
void listinit(void);
void initmuldiv(void);
Sym* lookup(char*, int);
void lput(long);
void mkfwd(void);
void* mysbrk(ulong);
void names(void);
void nocache(Prog*);
void noops(void);
void nuxiinit(void);
void objfile(char*);
int ocmp(const void*, const 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);
long regoff(Adr*);
int relinv(int);
long rnd(long, long);
void sched(Prog*, Prog*);
void span(void);
void undef(void);
void xdefine(char*, int, long);
void xfol(Prog*);