github.com/ader1990/go@v0.0.0-20140630135419-8c24447fa791/src/cmd/8l/l.h (about)

     1  // Inferno utils/8l/l.h
     2  // http://code.google.com/p/inferno-os/source/browse/utils/8l/l.h
     3  //
     4  //	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
     5  //	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
     6  //	Portions Copyright © 1997-1999 Vita Nuova Limited
     7  //	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
     8  //	Portions Copyright © 2004,2006 Bruce Ellis
     9  //	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
    10  //	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
    11  //	Portions Copyright © 2009 The Go Authors.  All rights reserved.
    12  //
    13  // Permission is hereby granted, free of charge, to any person obtaining a copy
    14  // of this software and associated documentation files (the "Software"), to deal
    15  // in the Software without restriction, including without limitation the rights
    16  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    17  // copies of the Software, and to permit persons to whom the Software is
    18  // furnished to do so, subject to the following conditions:
    19  //
    20  // The above copyright notice and this permission notice shall be included in
    21  // all copies or substantial portions of the Software.
    22  //
    23  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    24  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    25  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    26  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    27  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    28  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    29  // THE SOFTWARE.
    30  
    31  #include	<u.h>
    32  #include	<libc.h>
    33  #include	<bio.h>
    34  #include	<link.h>
    35  #include	"8.out.h"
    36  
    37  #ifndef	EXTERN
    38  #define	EXTERN	extern
    39  #endif
    40  
    41  enum
    42  {
    43  	thechar = '8',
    44  	PtrSize = 4,
    45  	IntSize = 4,
    46  	RegSize = 4,
    47  	MaxAlign = 32,	// max data alignment
    48  	FuncAlign = 16
    49  };
    50  
    51  #define	P		((Prog*)0)
    52  #define	S		((LSym*)0)
    53  #define	TNAME		(ctxt->cursym?ctxt->cursym->name:noname)
    54  
    55  enum
    56  {
    57  	MINSIZ		= 4,
    58  	STRINGSZ	= 200,
    59  	MINLC		= 1,
    60  	MAXIO		= 8192,
    61  	MAXHIST		= 40,				/* limit of path elements for history symbols */
    62  };
    63  
    64  #pragma	varargck	type	"I"	uchar*
    65  
    66  EXTERN	LSym*	datap;
    67  EXTERN	int	debug[128];
    68  EXTERN	char	literal[32];
    69  EXTERN	Prog*	firstp;
    70  EXTERN	int32	lcsize;
    71  EXTERN	char*	rpath;
    72  EXTERN	int32	spsize;
    73  EXTERN	LSym*	symlist;
    74  EXTERN	int32	symsize;
    75  EXTERN	int32	textsize;
    76  
    77  int	Iconv(Fmt *fp);
    78  void	adddynlib(char *lib);
    79  void	adddynrel(LSym *s, Reloc *r);
    80  void	adddynrela(LSym *rela, LSym *s, Reloc *r);
    81  void	adddynsym(Link *ctxt, LSym *s);
    82  int	archreloc(Reloc *r, LSym *s, vlong *val);
    83  void	asmb(void);
    84  int	elfreloc1(Reloc *r, vlong sectoff);
    85  void	elfsetupplt(void);
    86  void	listinit(void);
    87  int	machoreloc1(Reloc *r, vlong sectoff);
    88  void	main(int argc, char *argv[]);
    89  int32	rnd(int32 v, int32 r);
    90  void	s8put(char *n);
    91  char*	xsymname(LSym *s);
    92  
    93  /* Native is little-endian */
    94  #define	LPUT(a)	lputl(a)
    95  #define	WPUT(a)	wputl(a)
    96  #define	VPUT(a)	vputl(a)
    97  
    98  /* Used by ../ld/dwarf.c */
    99  enum
   100  {
   101  	DWARFREGSP = 4
   102  };