github.com/yanyiwu/go@v0.0.0-20150106053140-03d6637dbb7f/src/cmd/5l/l.h (about)

     1  // Inferno utils/5l/l.h
     2  // http://code.google.com/p/inferno-os/source/browse/utils/5l/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	"5.out.h"
    36  
    37  enum
    38  {
    39  	thechar = '5',
    40  	PtrSize = 4,
    41  	IntSize = 4,
    42  	RegSize = 4,
    43  	MaxAlign = 8,	// max data alignment
    44  	FuncAlign = 4  // single-instruction alignment
    45  };
    46  
    47  #ifndef	EXTERN
    48  #define	EXTERN	extern
    49  #endif
    50  
    51  #define	P		((Prog*)0)
    52  #define	S		((LSym*)0)
    53  
    54  enum
    55  {
    56  /* mark flags */
    57  	FOLL		= 1<<0,
    58  	LABEL		= 1<<1,
    59  	LEAF		= 1<<2,
    60  
    61  	MINLC	= 4,
    62  };
    63  
    64  EXTERN	int32	autosize;
    65  EXTERN	LSym*	datap;
    66  EXTERN	int	debug[128];
    67  EXTERN	char*	noname;
    68  EXTERN	Prog*	lastp;
    69  EXTERN	int32	lcsize;
    70  EXTERN	char	literal[32];
    71  EXTERN	int	nerrors;
    72  EXTERN	int32	instoffset;
    73  EXTERN	char*	rpath;
    74  EXTERN	uint32	stroffset;
    75  EXTERN	int32	symsize;
    76  EXTERN	int	armsize;
    77  
    78  #pragma	varargck	type	"I"	uint32*
    79  
    80  int	Iconv(Fmt *fp);
    81  void	adddynlib(char *lib);
    82  void	adddynrel(LSym *s, Reloc *r);
    83  void	adddynrela(LSym *rel, LSym *s, Reloc *r);
    84  void	adddynsym(Link *ctxt, LSym *s);
    85  int	archreloc(Reloc *r, LSym *s, vlong *val);
    86  void	asmb(void);
    87  int	elfreloc1(Reloc *r, vlong sectoff);
    88  void	elfsetupplt(void);
    89  void	listinit(void);
    90  int	machoreloc1(Reloc *r, vlong sectoff);
    91  void	main(int argc, char *argv[]);
    92  int32	rnd(int32 v, int32 r);
    93  
    94  /* Native is little-endian */
    95  #define	LPUT(a)	lputl(a)
    96  #define	WPUT(a)	wputl(a)
    97  #define	VPUT(a)	abort()
    98  
    99  /* Used by ../ld/dwarf.c */
   100  enum
   101  {
   102  	DWARFREGSP = 13
   103  };