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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 "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*);
- 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 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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