diff options
Diffstat (limited to 'src/cmd/6l/l.h')
| -rw-r--r-- | src/cmd/6l/l.h | 374 |
1 files changed, 21 insertions, 353 deletions
diff --git a/src/cmd/6l/l.h b/src/cmd/6l/l.h index ecab867e4..7303910a6 100644 --- a/src/cmd/6l/l.h +++ b/src/cmd/6l/l.h @@ -31,6 +31,7 @@ #include <u.h> #include <libc.h> #include <bio.h> +#include <link.h> #include "6.out.h" #ifndef EXTERN @@ -40,8 +41,6 @@ enum { thechar = '6', - PtrSize = 8, - IntSize = 8, MaxAlign = 32, // max data alignment // Loop alignment constants: @@ -63,147 +62,13 @@ enum FuncAlign = 16 }; -#define P ((Prog*)0) -#define S ((Sym*)0) -#define TNAME (cursym?cursym->name:noname) - -typedef struct Adr Adr; -typedef struct Prog Prog; -typedef struct Sym Sym; -typedef struct Auto Auto; -typedef struct Optab Optab; -typedef struct Movtab Movtab; -typedef struct Reloc Reloc; - -struct Adr -{ - union - { - vlong u0offset; - char u0scon[8]; - Prog *u0cond; /* not used, but should be D_BRANCH */ - Ieee u0ieee; - char *u0sbig; - } u0; - Sym* sym; - short type; - char index; - char scale; -}; - -#define offset u0.u0offset -#define scon u0.u0scon -#define cond u0.u0cond -#define ieee u0.u0ieee -#define sbig u0.u0sbig - -struct Reloc -{ - int32 off; - uchar siz; - uchar done; - int32 type; - int64 add; - int64 xadd; - Sym* sym; - Sym* xsym; -}; - -struct Prog -{ - Adr from; - Adr to; - Prog* forwd; - Prog* comefrom; - Prog* link; - Prog* pcond; /* work on this */ - vlong pc; - int32 spadj; - int32 line; - short as; - char ft; /* oclass cache */ - char tt; - uchar mark; /* work on these */ - uchar back; - - char width; /* fake for DATA */ - char mode; /* 16, 32, or 64 */ -}; -#define datasize from.scale -#define textflag from.scale -#define iscall(p) ((p)->as == ACALL) - -struct Auto -{ - Sym* asym; - Auto* link; - int32 aoffset; - short type; - Sym* gotype; -}; -struct Sym -{ - char* name; - char* extname; // name used in external object files - short type; - short version; - uchar dupok; - uchar reachable; - uchar cgoexport; - uchar special; - uchar stkcheck; - uchar hide; - int32 dynid; - int32 sig; - int32 plt; - int32 got; - int32 align; // if non-zero, required alignment in bytes - int32 elfsym; - int32 args; // size of stack frame incoming arguments area - Sym* hash; // in hash table - Sym* allsym; // in all symbol list - Sym* next; // in text or data list - Sym* sub; // in SSUB list - Sym* outer; // container of sub - Sym* reachparent; - Sym* queue; - vlong value; - vlong size; - Sym* gotype; - char* file; - char* dynimplib; - char* dynimpvers; - struct Section* sect; - struct Hist* hist; // for ATEXT - - // STEXT - Auto* autom; - Prog* text; - - // SDATA, SBSS - uchar* p; - int32 np; - int32 maxp; - Reloc* r; - int32 nr; - int32 maxr; -}; -struct Optab -{ - short as; - uchar* ytab; - uchar prefix; - uchar op[23]; -}; -struct Movtab -{ - short as; - uchar ft; - uchar tt; - uchar code; - uchar op[4]; -}; +EXTERN int PtrSize; +EXTERN int IntSize; +EXTERN int RegSize; +#define P ((Prog*)0) +#define S ((LSym*)0) +#define TNAME (ctxt->cursym?ctxt->cursym->name:noname) enum { MINSIZ = 8, @@ -211,239 +76,42 @@ enum MINLC = 1, MAXIO = 8192, MAXHIST = 40, /* limit of path elements for history symbols */ - - Yxxx = 0, - Ynone, - Yi0, - Yi1, - Yi8, - Ys32, - Yi32, - Yi64, - Yiauto, - Yal, - Ycl, - Yax, - Ycx, - Yrb, - Yrl, - Yrf, - Yf0, - Yrx, - Ymb, - Yml, - Ym, - Ybr, - Ycol, - - Ycs, Yss, Yds, Yes, Yfs, Ygs, - Ygdtr, Yidtr, Yldtr, Ymsw, Ytask, - Ycr0, Ycr1, Ycr2, Ycr3, Ycr4, Ycr5, Ycr6, Ycr7, Ycr8, - Ydr0, Ydr1, Ydr2, Ydr3, Ydr4, Ydr5, Ydr6, Ydr7, - Ytr0, Ytr1, Ytr2, Ytr3, Ytr4, Ytr5, Ytr6, Ytr7, Yrl32, Yrl64, - Ymr, Ymm, - Yxr, Yxm, - Ymax, - - Zxxx = 0, - - Zlit, - Zlitm_r, - Z_rp, - Zbr, - Zcall, - Zib_, - Zib_rp, - Zibo_m, - Zibo_m_xm, - Zil_, - Zil_rp, - Ziq_rp, - Zilo_m, - Ziqo_m, - Zjmp, - Zloop, - Zo_iw, - Zm_o, - Zm_r, - Zm2_r, - Zm_r_xm, - Zm_r_i_xm, - Zm_r_3d, - Zm_r_xm_nr, - Zr_m_xm_nr, - Zibm_r, /* mmx1,mmx2/mem64,imm8 */ - Zmb_r, - Zaut_r, - Zo_m, - Zo_m64, - Zpseudo, - Zr_m, - Zr_m_xm, - Zr_m_i_xm, - Zrp_, - Z_ib, - Z_il, - Zm_ibo, - Zm_ilo, - Zib_rr, - Zil_rr, - Zclr, - Zbyte, - Zmax, - - Px = 0, - P32 = 0x32, /* 32-bit only */ - Pe = 0x66, /* operand escape */ - Pm = 0x0f, /* 2byte opcode escape */ - Pq = 0xff, /* both escapes: 66 0f */ - Pb = 0xfe, /* byte operands */ - Pf2 = 0xf2, /* xmm escape 1: f2 0f */ - Pf3 = 0xf3, /* xmm escape 2: f3 0f */ - Pq3 = 0x67, /* xmm escape 3: 66 48 0f */ - Pw = 0x48, /* Rex.w */ - Py = 0x80, /* defaults to 64-bit mode */ - - Rxf = 1<<9, /* internal flag for Rxr on from */ - Rxt = 1<<8, /* internal flag for Rxr on to */ - Rxw = 1<<3, /* =1, 64-bit operand size */ - Rxr = 1<<2, /* extend modrm reg */ - Rxx = 1<<1, /* extend sib index */ - Rxb = 1<<0, /* extend modrm r/m, sib base, or opcode reg */ - - Maxand = 10, /* in -a output width of the byte codes */ }; -#pragma varargck type "A" uint -#pragma varargck type "D" Adr* #pragma varargck type "I" uchar* -#pragma varargck type "P" Prog* -#pragma varargck type "R" int -#pragma varargck type "S" char* -#pragma varargck type "i" char* -EXTERN int32 HEADR; -EXTERN int32 HEADTYPE; -EXTERN int32 INITRND; -EXTERN int64 INITTEXT; -EXTERN int64 INITDAT; -EXTERN char* INITENTRY; /* entry point */ -EXTERN char* pcstr; -EXTERN Auto* curauto; -EXTERN Auto* curhist; -EXTERN Prog* curp; -EXTERN Sym* cursym; -EXTERN Sym* datap; +EXTERN LSym* datap; EXTERN int debug[128]; EXTERN char literal[32]; -EXTERN Sym* textp; -EXTERN Sym* etextp; -EXTERN char ycover[Ymax*Ymax]; -EXTERN uchar* andptr; -EXTERN uchar* rexptr; -EXTERN uchar and[30]; -EXTERN int reg[D_NONE]; -EXTERN int regrex[D_NONE+1]; EXTERN int32 lcsize; -EXTERN int nerrors; -EXTERN char* noname; -EXTERN char* outfile; -EXTERN vlong pc; -EXTERN char* interpreter; EXTERN char* rpath; EXTERN int32 spsize; -EXTERN Sym* symlist; +EXTERN LSym* symlist; EXTERN int32 symsize; -EXTERN int tlsoffset; -EXTERN Prog zprg; -EXTERN int dtype; -EXTERN char* paramspace; -EXTERN Sym* adrgotype; // type symbol on last Adr read -EXTERN Sym* fromgotype; // type symbol on last p->from read EXTERN vlong textstksiz; EXTERN vlong textarg; -extern Optab optab[]; -extern Optab* opindex[]; -extern char* anames[]; - -int Aconv(Fmt*); -int Dconv(Fmt*); -int Iconv(Fmt*); -int Pconv(Fmt*); -int Rconv(Fmt*); -int Sconv(Fmt*); -void addhist(int32, int); -void addstackmark(void); -Prog* appendp(Prog*); +int Iconv(Fmt *fp); +void adddynlib(char *lib); +void adddynrel(LSym *s, Reloc *r); +void adddynrela(LSym *rela, LSym *s, Reloc *r); +void adddynsym(Link *ctxt, LSym *s); +int archreloc(Reloc *r, LSym *s, vlong *val); void asmb(void); -void asmdyn(void); -void asmins(Prog*); -void asmsym(void); -void asmelfsym(void); -vlong atolwhex(char*); -Prog* brchain(Prog*); -Prog* brloop(Prog*); -void buildop(void); -Prog* copyp(Prog*); -double cputime(void); -void datblk(int32, int32); -void deadcode(void); -void diag(char*, ...); -void dodata(void); -void doelf(void); -void domacho(void); -void doprof1(void); -void doprof2(void); -void dostkoff(void); -vlong entryvalue(void); -void follow(void); -void gethunk(void); -void gotypestrings(void); +int elfreloc1(Reloc *r, vlong sectoff); +void elfsetupplt(void); void listinit(void); -Sym* lookup(char*, int); -void lputb(int32); -void lputl(int32); -void instinit(void); -void main(int, char*[]); -void* mysbrk(uint32); -Prog* newtext(Prog*, Sym*); -void nopout(Prog*); -int opsize(Prog*); -void patch(void); -Prog* prg(void); -void parsetextconst(vlong); -int relinv(int); -vlong rnd(vlong, vlong); -void span(void); -void undef(void); -vlong symaddr(Sym*); -void vputb(uint64); -void vputl(uint64); -void wputb(uint16); -void wputl(uint16); -void xdefine(char*, int, vlong); - -void machseg(char*, vlong, vlong, vlong, vlong, uint32, uint32, uint32, uint32); -void machsymseg(uint32, uint32); -void machsect(char*, char*, vlong, vlong, uint32, uint32, uint32, uint32, uint32); -void machstack(vlong); -void machdylink(void); -uint32 machheadr(void); +int machoreloc1(Reloc *r, vlong sectoff); +void main(int argc, char *argv[]); +void parsetextconst(vlong arg); +vlong rnd(vlong v, vlong r); /* Native is little-endian */ #define LPUT(a) lputl(a) #define WPUT(a) wputl(a) #define VPUT(a) vputl(a) -#pragma varargck type "D" Adr* -#pragma varargck type "P" Prog* -#pragma varargck type "R" int -#pragma varargck type "Z" char* -#pragma varargck type "A" int -#pragma varargck argpos diag 1 - /* Used by ../ld/dwarf.c */ enum { |