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#include <u.h>
#include <libc.h>
#include <bio.h>
#include "../5c/5.out.h"
#ifndef EXTERN
#define EXTERN extern
#endif
/* do not undefine this - code will be removed eventually */
#define CALLEEBX
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;
typedef struct Use Use;
#define P ((Prog*)0)
#define S ((Sym*)0)
#define U ((Use*)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;
uchar as;
uchar scond;
uchar reg;
uchar align;
};
#define regused u0.u0regused
#define forwd u0.u0forwd
struct Sym
{
char *name;
short type;
short version;
short become;
short frame;
uchar subtype;
ushort file;
long value;
long sig;
uchar used;
uchar thumb; // thumb code
uchar foreign; // called by arm if thumb, by thumb if arm
uchar fnptr; // used as fn ptr
Use* use;
Sym* link;
};
#define SIGNINTERN (1729*325*1729)
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;
char flag;
};
struct Oprang
{
Optab* start;
Optab* stop;
};
struct Count
{
long count;
long outof;
};
struct Use
{
Prog* p; /* use */
Prog* ct; /* curtext */
Use* link;
};
enum
{
STEXT = 1,
SDATA,
SBSS,
SDATA1,
SXREF,
SLEAF,
SFILE,
SCONST,
SSTRING,
SUNDEF,
SREMOVED,
SIMPORT,
SEXPORT,
LFROM = 1<<0,
LTO = 1<<1,
LPOOL = 1<<2,
V4 = 1<<3, /* arm v4 arch */
C_NONE = 0,
C_REG,
C_REGREG,
C_SHIFT,
C_FREG,
C_PSR,
C_FCR,
C_RCON, /* 0xff rotated */
C_NCON, /* ~RCON */
C_SCON, /* 0xffff */
C_BCON, /* thumb */
C_LCON,
C_FCON,
C_GCON, /* thumb */
C_RACON,
C_SACON, /* thumb */
C_LACON,
C_GACON, /* thumb */
C_RECON,
C_LECON,
C_SBRA,
C_LBRA,
C_GBRA, /* thumb */
C_HAUTO, /* halfword insn offset (-0xff to 0xff) */
C_FAUTO, /* float insn offset (0 to 0x3fc, word aligned) */
C_HFAUTO, /* both H and F */
C_SAUTO, /* -0xfff to 0xfff */
C_LAUTO,
C_HEXT,
C_FEXT,
C_HFEXT,
C_SEXT,
C_LEXT,
C_HOREG,
C_FOREG,
C_HFOREG,
C_SOREG,
C_ROREG,
C_SROREG, /* both S and R */
C_LOREG,
C_GOREG, /* thumb */
C_PC,
C_SP,
C_HREG,
C_OFFPC, /* thumb */
C_ADDR, /* relocatable address */
C_GOK,
/* mark flags */
FOLL = 1<<0,
LABEL = 1<<1,
LEAF = 1<<2,
BIG = (1<<12)-4,
STRINGSZ = 200,
NHASH = 10007,
NHUNK = 100000,
MINSIZ = 64,
NENT = 100,
MAXIO = 8192,
MAXHIST = 20, /* limit of path elements for history symbols */
Roffset = 22, /* no. bits for offset in relocation address */
Rindex = 10, /* no. bits for index in relocation address */
};
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
#define setarch(p) if((p)->as==ATEXT) thumb=(p)->reg&ALLTHUMBS
#define setthumb(p) if((p)->as==ATEXT) seenthumb|=(p)->reg&ALLTHUMBS
#ifndef COFFCVT
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];
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[8];
EXTERN Oprang oprange[ALAST];
EXTERN Oprang thumboprange[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[C_GOK+1][C_GOK+1];
EXTERN Prog zprg;
EXTERN int dtype;
EXTERN int armv4;
EXTERN int thumb;
EXTERN int seenthumb;
EXTERN int armsize;
EXTERN int doexp, dlm;
EXTERN int imports, nimports;
EXTERN int exports, nexports;
EXTERN char* EXPTAB;
EXTERN Prog undefp;
#define UP (&undefp)
extern char* anames[];
extern Optab optab[];
extern Optab thumboptab[];
void addpool(Prog*, Adr*);
EXTERN Prog* blitrl;
EXTERN Prog* elitrl;
void initdiv(void);
EXTERN Prog* prog_div;
EXTERN Prog* prog_divu;
EXTERN Prog* prog_mod;
EXTERN Prog* prog_modu;
#pragma varargck type "A" int
#pragma varargck type "C" 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 Cconv(Fmt*);
int Dconv(Fmt*);
int Nconv(Fmt*);
int Pconv(Fmt*);
int Sconv(Fmt*);
int aclass(Adr*);
int thumbaclass(Adr*, Prog*);
void addhist(long, int);
void append(Prog*, Prog*);
void asmb(void);
void asmdyn(void);
void asmlc(void);
void asmthumbmap(void);
void asmout(Prog*, Optab*);
void thumbasmout(Prog*, Optab*);
void asmsym(void);
long atolwhex(char*);
Prog* brloop(Prog*);
void buildop(void);
void thumbbuildop(void);
void buildrep(int, int);
void cflush(void);
void ckoff(Sym*, long);
int chipfloat(Ieee*);
int cmp(int, int);
int compound(Prog*);
double cputime(void);
void datblk(long, long, int);
void diag(char*, ...);
void divsig(void);
void dodata(void);
void doprof1(void);
void doprof2(void);
void dynreloc(Sym*, long, int);
long entryvalue(void);
void errorexit(void);
void exchange(Prog*);
void export(void);
int find1(long, int);
void follow(void);
void gethunk(void);
void histtoauto(void);
void hputl(int);
double ieeedtod(Ieee*);
long ieeedtof(Ieee*);
void import(void);
int isnop(Prog*);
void ldobj(int, long, char*);
void loadlib(void);
void listinit(void);
Sym* lookup(char*, int);
void cput(int);
void hput(long);
void lput(long);
void lputl(long);
void mkfwd(void);
void* mysbrk(ulong);
void names(void);
void nocache(Prog*);
void nuxiinit(void);
void objfile(char*);
int ocmp(void*, void*);
long opirr(int);
Optab* oplook(Prog*);
long oprrr(int, int);
long olr(long, int, int, int);
long olhr(long, int, int, int);
long olrr(int, int, int, int);
long olhrr(int, int, int, int);
long osr(int, int, long, int, int);
long oshr(int, long, int, int);
long ofsr(int, int, long, int, int, Prog*);
long osrr(int, int, int, int);
long oshrr(int, int, int, int);
long omvl(Prog*, Adr*, int);
void patch(void);
void prasm(Prog*);
void prepend(Prog*, Prog*);
Prog* prg(void);
int pseudo(Prog*);
void putsymb(char*, int, long, int);
void readundefs(char*, int);
long regoff(Adr*);
int relinv(int);
long rnd(long, long);
void span(void);
void strnput(char*, int);
void undef(void);
void undefsym(Sym*);
void wput(long);
void xdefine(char*, int, long);
void xfol(Prog*);
void zerosig(char*);
void noops(void);
long immrot(ulong);
long immaddr(long);
long opbra(int, int);
int brextra(Prog*);
int isbranch(Prog*);
int fnpinc(Sym *);
int fninc(Sym *);
void thumbcount(void);
void reachable(void);
void fnptrs(void);
#endif
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