github.com/akaros/go-akaros@v0.0.0-20181004170632-85005d477eab/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  
    54  enum
    55  {
    56  	MINLC		= 1,
    57  };
    58  
    59  #pragma	varargck	type	"I"	uchar*
    60  
    61  EXTERN	LSym*	datap;
    62  EXTERN	int	debug[128];
    63  EXTERN	char	literal[32];
    64  EXTERN	Prog*	firstp;
    65  EXTERN	int32	lcsize;
    66  EXTERN	char*	rpath;
    67  EXTERN	int32	spsize;
    68  EXTERN	LSym*	symlist;
    69  EXTERN	int32	symsize;
    70  
    71  int	Iconv(Fmt *fp);
    72  void	adddynlib(char *lib);
    73  void	adddynrel(LSym *s, Reloc *r);
    74  void	adddynrela(LSym *rela, LSym *s, Reloc *r);
    75  void	adddynsym(Link *ctxt, LSym *s);
    76  int	archreloc(Reloc *r, LSym *s, vlong *val);
    77  void	asmb(void);
    78  int	elfreloc1(Reloc *r, vlong sectoff);
    79  void	elfsetupplt(void);
    80  void	listinit(void);
    81  int	machoreloc1(Reloc *r, vlong sectoff);
    82  int32	rnd(int32 v, int32 r);
    83  void	s8put(char *n);
    84  char*	xsymname(LSym *s);
    85  
    86  /* Native is little-endian */
    87  #define	LPUT(a)	lputl(a)
    88  #define	WPUT(a)	wputl(a)
    89  #define	VPUT(a)	vputl(a)
    90  
    91  /* Used by ../ld/dwarf.c */
    92  enum
    93  {
    94  	DWARFREGSP = 4
    95  };