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- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- #include "../vc/v.out.h"
- #ifndef EXTERN
- #define EXTERN extern
- #endif
- 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
- {
- long u0offset;
- char* u0sval;
- 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;
- union
- {
- long u0regused;
- Prog* u0forwd;
- } u0;
- Prog* cond;
- Prog* link;
- long pc;
- long line;
- uchar mark;
- uchar optab;
- char as;
- char reg;
- };
- #define regused u0.u0regused
- #define forwd u0.u0forwd
- 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
- {
- char 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,
- SSTRING,
- C_NONE = 0,
- C_REG,
- C_FREG,
- C_FCREG,
- C_MREG,
- C_HI,
- C_LO,
- C_ZCON,
- C_SCON,
- C_ADD0CON,
- C_AND0CON,
- C_ADDCON,
- C_ANDCON,
- C_UCON,
- C_LCON,
- 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,
- LOAD = 1<<5,
- FCMP = 1<<6,
- NOSCHED = 1<<7,
- BIG = 32766,
- STRINGSZ = 200,
- NHASH = 10007,
- NHUNK = 100000,
- MINSIZ = 64,
- NENT = 100,
- MAXIO = 8192,
- MAXHIST = 20, /* limit of path elements for history symbols */
- };
- 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 long datsize;
- EXTERN char debug[128];
- EXTERN Prog* etextp;
- EXTERN Prog* firstp;
- EXTERN char fnuxi4[4]; /* for 3l [sic] */
- EXTERN char fnuxi8[8];
- EXTERN char* noname;
- 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 long instoffset;
- EXTERN Opcross opcross[10];
- EXTERN Oprang oprange[ALAST];
- EXTERN char* outfile;
- EXTERN long pc;
- EXTERN uchar repop[ALAST];
- EXTERN long symsize;
- EXTERN Prog* textp;
- EXTERN long textsize;
- EXTERN long thunk;
- EXTERN int version;
- EXTERN char xcmp[32][32];
- EXTERN Prog zprg;
- EXTERN int dtype;
- EXTERN struct
- {
- Count branch;
- Count fcmp;
- Count load;
- Count mfrom;
- Count page;
- Count jump;
- } nop;
- extern char* anames[];
- extern Optab optab[];
- #pragma varargck type "A" int
- #pragma varargck type "D" Adr*
- #pragma varargck type "N" Adr*
- #pragma varargck type "P" Prog*
- #pragma varargck type "S" char*
- 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*, int);
- 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*);
- double cputime(void);
- void datblk(long, long, int);
- void diag(char*, ...);
- 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);
- void gethunk(void);
- void histtoauto(void);
- double ieeedtod(Ieee*);
- long ieeedtof(Ieee*);
- int isnop(Prog*);
- void ldobj(int, long, char*);
- void loadlib(void);
- void listinit(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 opirr(int);
- Optab* oplook(Prog*);
- long oprrr(int);
- 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 strnput(char*, int);
- void undef(void);
- void xdefine(char*, int, long);
- void xfol(Prog*);
- void xfol(Prog*);
- void nopstat(char*, Count*);
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