[dev.power64] cmd/9l: update header files for liblink

LGTM=rsc
R=rsc, iant
CC=golang-codereviews
https://codereview.appspot.com/128720044

3 files changed, 113 insertions, 335 deletions

diff --git a/src/cmd/9c/gc.h b/src/cmd/9c/gc.h
index 1c7d7837a..82204902b 100644
--- a/src/cmd/9c/gc.h
+++ b/src/cmd/9c/gc.h
@@ -281,7 +281,6 @@ void	nullwarn(Node*, Node*);
 void	sextern(Sym*, Node*, int32, int32);
 void	gextern(Sym*, Node*, int32, int32);
 void	outcode(void);
-void	ieeedtod(Ieee*, double);
 
 /*
  * list
diff --git a/src/cmd/9l/9.out.h b/src/cmd/9l/9.out.h
index 8ad2f7d06..6e4f9ee1b 100644
--- a/src/cmd/9l/9.out.h
+++ b/src/cmd/9l/9.out.h
@@ -34,8 +34,7 @@
 #define	NSYM	50
 #define	NREG	32
 
-#define NOPROF	(1<<0)
-#define DUPOK	(1<<1)
+#include "../ld/textflag.h"
 
 enum
 {
@@ -43,14 +42,16 @@ enum
 	REGSP		= 1,
 	REGSB		= 2,
 	REGRET		= 3,
-	REGARG		= 3,
+	REGARG		= -1,	/* -1 disables passing the first argument in register */
 	REGMIN		= 7,	/* register variables allocated from here to REGMAX */
+	REGENV		= 11,	/* environment variable for closures */
 	REGMAX		= 27,
 	REGEXT		= 30,	/* external registers allocated from here down */
 	REGTMP		= 31,	/* used by the linker */
 
 	FREGRET		= 0,
 	FREGMIN		= 17,	/* first register variable */
+	FREGMAX		= 26,	/* last register variable for 9g only */
 	FREGEXT		= 26,	/* first external register */
 	FREGCVI		= 27, /* floating conversion constant */
 	FREGZERO	= 28,	/* both float and double */
@@ -69,9 +70,66 @@ enum
  */
 };
 
+enum {
+	BIG = 32768-8,
+};
+
+enum {
+/* mark flags */
+	LABEL		= 1<<0,
+	LEAF		= 1<<1,
+	FLOAT		= 1<<2,
+	BRANCH		= 1<<3,
+	LOAD		= 1<<4,
+	FCMP		= 1<<5,
+	SYNC		= 1<<6,
+	LIST		= 1<<7,
+	FOLL		= 1<<8,
+	NOSCHED		= 1<<9,
+};
+
+enum
+{
+	C_NONE,
+	C_REG,
+	C_FREG,
+	C_CREG,
+	C_SPR,		/* special processor register */
+	C_ZCON,
+	C_SCON,		/* 16 bit signed */
+	C_UCON,		/* low 16 bits 0 */
+	C_ADDCON,	/* -0x8000 <= v < 0 */
+	C_ANDCON,	/* 0 < v <= 0xFFFF */
+	C_LCON,		/* other 32 */
+	C_DCON,		/* other 64 (could subdivide further) */
+	C_SACON,
+	C_SECON,
+	C_LACON,
+	C_LECON,
+	C_SBRA,
+	C_LBRA,
+	C_SAUTO,
+	C_LAUTO,
+	C_SEXT,
+	C_LEXT,
+	C_ZOREG,
+	C_SOREG,
+	C_LOREG,
+	C_FPSCR,
+	C_MSR,
+	C_XER,
+	C_LR,
+	C_CTR,
+	C_ANY,
+	C_GOK,
+	C_ADDR,
+
+	C_NCLASS,	/* must be the last */
+};
+
 enum	as
 {
-	AXXX	= 0,
+	AXXX,
 	AADD,
 	AADDCC,
 	AADDV,
@@ -390,6 +448,17 @@ enum	as
 	/* more 64-bit operations */
 	AHRFID,
 
+	AUNDEF,
+	AUSEFIELD,
+	ATYPE,
+	AFUNCDATA,
+	APCDATA,
+	ACHECKNIL,
+	AVARDEF,
+	AVARKILL,
+	ADUFFCOPY,
+	ADUFFZERO,
+
 	ALAST
 };
 
@@ -422,6 +491,11 @@ enum
 	D_FILE1,
 	D_DCR,	/* device control register */
 	D_DCONST,
+	D_ADDR, // not used, use D_CONST with non-empty sym.
+
+/* reg names for 9g OREGISTER */
+	D_R0 = 0, // type is D_REG
+	D_F0 = D_R0+NREG, // type is D_FREG
 
 /* reg names iff type is D_SPR */
 	D_XER	= 1,
@@ -433,16 +507,4 @@ enum
 /*
  * this is the ranlib header
  */
-#define	SYMDEF	"__.SYMDEF"
-
-/*
- * this is the simulated IEEE floating point
- */
-typedef	struct	ieee	Ieee;
-struct	ieee
-{
-	long	l;	/* contains ls-man	0xffffffff */
-	long	h;	/* contains sign	0x80000000
-				    exp		0x7ff00000
-				    ms-man	0x000fffff */
-};
+#define	SYMDEF	"__.GOSYMDEF"
diff --git a/src/cmd/9l/l.h b/src/cmd/9l/l.h
index 0f2fd60a8..d787f1384 100644
--- a/src/cmd/9l/l.h
+++ b/src/cmd/9l/l.h
@@ -30,102 +30,29 @@
 #include	<u.h>
 #include	<libc.h>
 #include	<bio.h>
-#include	"../9c/9.out.h"
-#include	"../8l/elf.h"
+#include	<link.h>
+#include	"9.out.h"
 
 #ifndef	EXTERN
 #define	EXTERN	extern
 #endif
 
-#define	LIBNAMELEN	300
-
-typedef	struct	Adr	Adr;
-typedef	struct	Sym	Sym;
-typedef	struct	Autom	Auto;
-typedef	struct	Prog	Prog;
-typedef	struct	Optab	Optab;
-
-#define	P		((Prog*)0)
-#define	S		((Sym*)0)
-#define	TNAME		(curtext&&curtext->from.sym?curtext->from.sym->name:noname)
-
-struct	Adr
+enum
 {
-	union
-	{
-		vlong	u0offset;
-		char	u0sval[NSNAME];
-		Ieee	u0ieee;
-	}u0;
-	Sym	*sym;
-	Auto	*autom;
-	char	type;
-	uchar	reg;
-	char	name;
-	char	class;
+	thechar = '9',
+	PtrSize = 8,
+	IntSize = 8,
+	RegSize = 8,
+	MaxAlign = 32,	// max data alignment
+	FuncAlign = 8
 };
 
-#define	offset	u0.u0offset
-#define	sval	u0.u0sval
-#define	ieee	u0.u0ieee
-
-struct	Prog
-{
-	Adr	from;
-	Adr	from3;	/* fma and rlwm */
-	Adr	to;
-	Prog	*forwd;
-	Prog	*cond;
-	Prog	*link;
-	vlong	pc;
-	long	regused;
-	short	line;
-	short	mark;
-	short	optab;		/* could be uchar */
-	short	as;
-	char	reg;
-};
-struct	Sym
-{
-	char	*name;
-	short	type;
-	short	version;
-	short	become;
-	short	frame;
-	uchar	subtype;
-	ushort	file;
-	vlong	value;
-	long	sig;
-	Sym	*link;
-};
-struct	Autom
-{
-	Sym	*sym;
-	Auto	*link;
-	vlong	aoffset;
-	short	type;
-};
-struct	Optab
-{
-	short	as;
-	char	a1;
-	char	a2;
-	char	a3;
-	char	a4;
-	char	type;
-	char	size;
-	char	param;
-};
-struct
-{
-	Optab*	start;
-	Optab*	stop;
-} oprange[ALAST];
+#define	P		((Prog*)0)
+#define	S		((LSym*)0)
 
 enum
 {
 	FPCHIP		= 1,
-	BIG		= 32768-8,
 	STRINGSZ	= 200,
 	MAXIO		= 8192,
 	MAXHIST		= 20,				/* limit of path elements for history symbols */
@@ -135,250 +62,40 @@ enum
 	MINSIZ		= 64,
 	NENT		= 100,
 	NSCHED		= 20,
-
-/* mark flags */
-	LABEL		= 1<<0,
-	LEAF		= 1<<1,
-	FLOAT		= 1<<2,
-	BRANCH		= 1<<3,
-	LOAD		= 1<<4,
-	FCMP		= 1<<5,
-	SYNC		= 1<<6,
-	LIST		= 1<<7,
-	FOLL		= 1<<8,
-	NOSCHED		= 1<<9,
-
-	STEXT		= 1,
-	SDATA,
-	SBSS,
-	SDATA1,
-	SXREF,
-	SLEAF,
-	SFILE,
-	SCONST,
-	SUNDEF,
-
-	SIMPORT,
-	SEXPORT,
-
-	C_NONE		= 0,
-	C_REG,
-	C_FREG,
-	C_CREG,
-	C_SPR,		/* special processor register */
-	C_ZCON,
-	C_SCON,		/* 16 bit signed */
-	C_UCON,		/* low 16 bits 0 */
-	C_ADDCON,	/* -0x8000 <= v < 0 */
-	C_ANDCON,	/* 0 < v <= 0xFFFF */
-	C_LCON,		/* other 32 */
-	C_DCON,		/* other 64 (could subdivide further) */
-	C_SACON,
-	C_SECON,
-	C_LACON,
-	C_LECON,
-	C_SBRA,
-	C_LBRA,
-	C_SAUTO,
-	C_LAUTO,
-	C_SEXT,
-	C_LEXT,
-	C_ZOREG,
-	C_SOREG,
-	C_LOREG,
-	C_FPSCR,
-	C_MSR,
-	C_XER,
-	C_LR,
-	C_CTR,
-	C_ANY,
-	C_GOK,
-	C_ADDR,
-
-	C_NCLASS,
+	MINLC		= 4,
 
 	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
-
-EXTERN	long	HEADR;			/* length of header */
-EXTERN	int	HEADTYPE;		/* type of header */
-EXTERN	vlong	INITDAT;		/* data location */
-EXTERN	long	INITRND;		/* data round above text location */
-EXTERN	vlong	INITTEXT;		/* text location */
-EXTERN	long	INITTEXTP;		/* text location (physical) */
-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	Prog*	prog_movsw;
-EXTERN	Prog*	prog_movdw;
-EXTERN	Prog*	prog_movws;
-EXTERN	Prog*	prog_movwd;
-EXTERN	vlong	datsize;
-EXTERN	char	debug[128];
-EXTERN	Prog*	firstp;
-EXTERN	uchar	fnuxi8[8];
-EXTERN	uchar	fnuxi4[4];
-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	uchar	inuxi1[1];
-EXTERN	uchar	inuxi2[2];
-EXTERN	uchar	inuxi4[4];
-EXTERN	uchar	inuxi8[8];
-EXTERN	Prog*	lastp;
-EXTERN	long	lcsize;
+EXTERN	int32	autosize;
+EXTERN	LSym*	datap;
+EXTERN	int	debug[128];
+EXTERN	int32	lcsize;
 EXTERN	char	literal[32];
 EXTERN	int	nerrors;
-EXTERN	long	nhunk;
-EXTERN	char*	noname;
 EXTERN	vlong	instoffset;
-EXTERN	char*	outfile;
+EXTERN	char*	rpath;
 EXTERN	vlong	pc;
-EXTERN	int	r0iszero;
-EXTERN	long	symsize;
-EXTERN	long	staticgen;
-EXTERN	Prog*	textp;
+EXTERN	int32	symsize;
+EXTERN	int32	staticgen;
+EXTERN	Prog*	lastp;
 EXTERN	vlong	textsize;
-EXTERN	long	tothunk;
-EXTERN	char	xcmp[C_NCLASS][C_NCLASS];
-EXTERN	int	version;
-EXTERN	Prog	zprg;
-EXTERN	int	dtype;
-
-EXTERN	int	doexp, dlm;
-EXTERN	int	imports, nimports;
-EXTERN	int	exports, nexports, allexport;
-EXTERN	char*	EXPTAB;
-EXTERN	Prog	undefp;
-
-#define	UP	(&undefp)
-
-extern	Optab	optab[];
-extern	char*	anames[];
-extern	char*	cnames[];
 
-int	Aconv(Fmt*);
-int	Dconv(Fmt*);
-int	Nconv(Fmt*);
-int	Pconv(Fmt*);
-int	Sconv(Fmt*);
-int	Rconv(Fmt*);
-int	aclass(Adr*);
-void	addhist(long, int);
-void	histtoauto(void);
-void	addlibpath(char*);
-void	addnop(Prog*);
-void	append(Prog*, Prog*);
 void	asmb(void);
-void	asmdyn(void);
-void	asmlc(void);
-int	asmout(Prog*, Optab*, int);
-void	asmsym(void);
-vlong	atolwhex(char*);
-Prog*	brloop(Prog*);
-void	buildop(void);
-void	cflush(void);
-void	ckoff(Sym*, vlong);
-int	cmp(int, int);
-void	cput(long);
-int	compound(Prog*);
-double	cputime(void);
-void	datblk(long, long);
-void	diag(char*, ...);
-void	dodata(void);
-void	doprof1(void);
-void	doprof2(void);
-void	dynreloc(Sym*, long, int, int, int);
-vlong	entryvalue(void);
-void	errorexit(void);
-void	exchange(Prog*);
-void	export(void);
-int	fileexists(char*);
-int	find1(long, int);
-char*	findlib(char*);
-void	follow(void);
-void	gethunk(void);
-double	ieeedtod(Ieee*);
-long	ieeedtof(Ieee*);
-void	import(void);
-int	isint32(vlong);
-int	isuint32(uvlong);
-int	isnop(Prog*);
-void	ldobj(int, long, char*);
-void	loadlib(void);
+void	adddynlib(char *lib);
+void	adddynrel(LSym *s, Reloc *r);
+void	adddynsym(Link *ctxt, LSym *s);
+int	archreloc(Reloc *r, LSym *s, vlong *val);
 void	listinit(void);
-void	initmuldiv(void);
-Sym*	lookup(char*, int);
-void	llput(vlong);
-void	llputl(vlong);
-void	lput(long);
-void	lputl(long);
-void	mkfwd(void);
-void*	mysbrk(ulong);
-void	names(void);
-void	nocache(Prog*);
-void	noops(void);
-void	nopout(Prog*);
-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, vlong, int);
-void	readundefs(char*, int);
-long	regoff(Adr*);
-int	relinv(int);
-vlong	rnd(vlong, long);
-void	sched(Prog*, Prog*);
-void	span(void);
-void	strnput(char*, int);
-void	undef(void);
-void	undefsym(Sym*);
-vlong	vregoff(Adr*);
-void	wput(long);
-void	wputl(long);
-void	xdefine(char*, int, vlong);
-void	xfol(Prog*);
-void	zerosig(char*);
+vlong	rnd(vlong, int32);
 
-#pragma	varargck	type	"D"	Adr*
-#pragma	varargck	type	"N"	Adr*
-#pragma	varargck	type	"P"	Prog*
-#pragma	varargck	type	"R"	int
-#pragma	varargck	type	"A"	int
-#pragma	varargck	type	"S"	char*
-#pragma	varargck	argpos	diag 1
+#define	LPUT(a)	(ctxt->arch->endian == BigEndian ? lputb(a):lputl(a))
+#define	WPUT(a)	(ctxt->arch->endian == BigEndian ? wputb(a):wputl(a))
+#define	VPUT(a)	(ctxt->arch->endian == BigEndian ? vputb(a):vputl(a))
+
+/* Used by ../ld/dwarf.c */
+enum
+{
+	DWARFREGSP = 1
+};