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