plan9obj.go

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  /*
     6   * Plan 9 a.out constants and data structures
     7   */
     8  
     9  package plan9obj
    10  
    11  // Plan 9 Program header.
    12  type prog struct {
    13  	Magic uint32 /* magic number */
    14  	Text  uint32 /* size of text segment */
    15  	Data  uint32 /* size of initialized data */
    16  	Bss   uint32 /* size of uninitialized data */
    17  	Syms  uint32 /* size of symbol table */
    18  	Entry uint32 /* entry point */
    19  	Spsz  uint32 /* size of pc/sp offset table */
    20  	Pcsz  uint32 /* size of pc/line number table */
    21  }
    22  
    23  // Plan 9 symbol table entries.
    24  type sym struct {
    25  	value uint64
    26  	typ   byte
    27  	name  []byte
    28  }
    29  
    30  const (
    31  	Magic64 = 0x8000 // 64-bit expanded header
    32  
    33  	Magic386   = (4*11+0)*11 + 7
    34  	MagicAMD64 = (4*26+0)*26 + 7 + Magic64
    35  	MagicARM   = (4*20+0)*20 + 7
    36  )
    37
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