ref: 13785bbbef60f5c13aa973c1e7d4277aa55f6a2d
dir: /sys/src/cmd/2l/l.h/
#include <u.h> #include <libc.h> #include <bio.h> #include "../2c/2.out.h" #ifndef EXTERN #define EXTERN extern #endif #define P ((Prog*)0) #define S ((Sym*)0) #define TNAME (curtext?curtext->from.sym->name:noname) #define CPUT(c)\ { *cbp++ = c;\ if(--cbc <= 0)\ cflush(); } typedef struct Adr Adr; typedef struct Prog Prog; typedef struct Sym Sym; typedef struct Auto Auto; typedef struct Optab Optab; struct Adr { short type; short index; union { struct { long u0displace; long u0offset; } s0; char u0scon[8]; Prog *u0cond; /* not used, but should be D_BRANCH */ Ieee u0ieee; } u0; union { Auto* u1autom; Sym* u1sym; } u1; uchar field; uchar scale; }; #define displace u0.s0.u0displace #define offset u0.s0.u0offset #define scon u0.u0scon #define cond u0.u0cond #define ieee u0.u0ieee #define autom u1.u1autom #define sym u1.u1sym struct Prog { Adr from; Adr to; union { long u0stkoff; Prog *u0forwd; } u0; Prog* link; Prog* pcond; /* work on this */ long pc; long line; short as; uchar mark; /* work on these */ uchar back; }; #define stkoff u0.u0stkoff #define forwd u0.u0forwd struct Auto { Sym* asym; Auto* link; long aoffset; short type; }; struct Sym { char *name; short type; short version; short become; short frame; long value; Sym* link; }; struct Optab { short as; short fas; short srcsp; short dstsp; ushort optype; ushort opcode0; ushort opcode1; ushort opcode2; ushort opcode3; }; enum { STEXT = 1, SDATA, SBSS, SDATA1, SXREF, SAUTO, SPARAM, SFILE, NHASH = 10007, NHUNK = 100000, MINSIZ = 4, STRINGSZ = 200, MAXIO = 8192, MAXHIST = 20, /* limit of path elements for history symbols */ A6OFFSET = 32766 }; EXTERN union { struct { char 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; EXTERN long HEADTYPE; EXTERN long INITDAT; EXTERN long INITRND; EXTERN long INITTEXT; EXTERN char* INITENTRY; /* entry point */ EXTERN Biobuf bso; EXTERN long bsssize; EXTERN long casepc; EXTERN int cbc; EXTERN char* 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 fnuxi8[8]; EXTERN char gnuxi8[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 long ncase; EXTERN long ndata; EXTERN int nerrors; EXTERN long nhunk; EXTERN long nsymbol; EXTERN char* noname; EXTERN short* op; EXTERN char* outfile; EXTERN long pc; EXTERN char simple[I_MASK]; EXTERN char special[I_MASK]; EXTERN long spsize; EXTERN Sym* symlist; EXTERN long symsize; EXTERN Prog* textp; EXTERN long textsize; EXTERN long thunk; EXTERN int version; EXTERN Prog zprg; extern Optab optab[]; extern char mmsize[]; extern char* anames[]; #pragma varargck type "A" int #pragma varargck type "D" Adr* #pragma varargck type "P" Prog* #pragma varargck type "R" int #pragma varargck type "S" char* #pragma varargck argpos diag 1 int Aconv(Fmt*); int Dconv(Fmt*); int Pconv(Fmt*); int Rconv(Fmt*); int Sconv(Fmt*); int Xconv(Fmt*); void addhist(long, int); int andsize(Prog*, Adr*); Prog* appendp(Prog*); void asmb(void); int asmea(Prog*, Adr*); void asmins(Prog*); void asmlc(void); void asmsp(void); void asmsym(void); long atolwhex(char*); Prog* brchain(Prog*); Prog* brloop(Prog*); void cflush(void); Prog* copyp(Prog*); double cputime(void); void datblk(long, long); void diag(char*, ...); void dodata(void); void doprof1(void); void doprof2(void); void dostkoff(void); long entryvalue(void); void errorexit(void); int find1(long, int); int find2(long, int); void follow(void); void gethunk(void); int gnuxi(Ieee*, int, int); void histtoauto(void); double ieeedtod(Ieee*); long ieeedtof(Ieee*); void ldobj(int, long, char*); void loadlib(void); void listinit(void); Sym* lookup(char*, int); void lput(long); void main(int, char*[]); void mkfwd(void); void* mysbrk(ulong); void nuxiinit(void); void objfile(char*); void patch(void); Prog* prg(void); int relinv(int); long reuse(Prog*, Sym*); long rnd(long, long); void s16put(char*); void span(void); void undef(void); void xdefine(char*, int, long); void xfol(Prog*); int zaddr(uchar*, Adr*, Sym*[]);