sewardj | e25abab | 2006-10-17 00:39:31 +0000 | [diff] [blame] | 1 | |
| 2 | /*--------------------------------------------------------------------*/ |
| 3 | /*--- Structure written into the child process by launcher-aix5.c. ---*/ |
| 4 | /*--- launcher-aix5-bootblock.h ---*/ |
| 5 | /*--------------------------------------------------------------------*/ |
| 6 | |
| 7 | /* |
| 8 | This file is part of Valgrind, a dynamic binary instrumentation |
| 9 | framework. |
| 10 | |
sewardj | 4d474d0 | 2008-02-11 11:34:59 +0000 | [diff] [blame] | 11 | Copyright (C) 2006-2008 OpenWorks LLP |
sewardj | e25abab | 2006-10-17 00:39:31 +0000 | [diff] [blame] | 12 | info@open-works.co.uk |
| 13 | |
| 14 | This program is free software; you can redistribute it and/or |
| 15 | modify it under the terms of the GNU General Public License as |
| 16 | published by the Free Software Foundation; either version 2 of the |
| 17 | License, or (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, but |
| 20 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 22 | General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; if not, write to the Free Software |
| 26 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 27 | 02111-1307, USA. |
| 28 | |
| 29 | The GNU General Public License is contained in the file COPYING. |
sewardj | 38dba99 | 2007-04-29 09:06:40 +0000 | [diff] [blame] | 30 | |
| 31 | Neither the names of the U.S. Department of Energy nor the |
| 32 | University of California nor the names of its contributors may be |
| 33 | used to endorse or promote products derived from this software |
| 34 | without prior written permission. |
sewardj | e25abab | 2006-10-17 00:39:31 +0000 | [diff] [blame] | 35 | */ |
| 36 | |
| 37 | |
| 38 | /* This is the structure written into the child process by the AIX5 |
| 39 | launcher. The tool's entry point (see bottom of |
| 40 | coregrind/m_main.c) must be aware of the layout as it will have to |
| 41 | read info from it at startup. This struct is designed to work |
| 42 | equally well in 32- and 64-bit mode. It must be placed at an |
| 43 | 8-aligned address in the child. */ |
| 44 | |
| 45 | #define N_BOOTBLOCK_INSNS 60 /* number of insns */ |
| 46 | #define N_BOOTBLOCK_ERRMSG 64 /* max bytes in the error message */ |
| 47 | #define N_BOOTBLOCK_TOOLFILE 256 /* max bytes in the tool file name */ |
| 48 | |
| 49 | typedef |
| 50 | |
| 51 | struct { |
| 52 | /* Adler32 checksum of the uncompressed data of the compressed |
| 53 | page (the second part of which contains this struct. */ |
| 54 | /* 0 */ UInt adler32; |
| 55 | |
| 56 | /* The system call numbers for enough critical syscalls that the |
| 57 | tool can start both debug logging and also read the |
| 58 | /proc/../sysent file. */ |
| 59 | /* 4 */ UInt __NR_getpid; |
| 60 | /* 8 */ UInt __NR_write; |
| 61 | /* 12 */ UInt __NR_exit; |
| 62 | /* 16 */ UInt __NR_open; |
| 63 | /* 20 */ UInt __NR_read; |
| 64 | /* 24 */ UInt __NR_close; |
| 65 | /* 28 */ UInt __off28; |
| 66 | |
| 67 | /* The 37 integer registers for the client, as they should be at |
| 68 | startup. On 32-bit targets the registers are stored in the |
| 69 | lower half of each quadword, which, since this is a bigendian |
| 70 | platform, is the higher-addressed 4 bytes. */ |
| 71 | /* MUST BE 8-aligned */ |
| 72 | /* 32 */ ULong iregs_pc_cr_lr_ctr_xer[37]; |
| 73 | |
| 74 | /* The instructions for the bootstrap loader. */ |
| 75 | /* 328 */ UInt code[N_BOOTBLOCK_INSNS]; |
| 76 | |
| 77 | /* A zero-terminated error message to be used when the bootstrap |
| 78 | loader fails. */ |
| 79 | /* 628 */ UChar errmsg[N_BOOTBLOCK_ERRMSG]; |
| 80 | |
| 81 | /* The name of the tool file, again zero-terminated. */ |
| 82 | /* 692 */ UChar toolfile[N_BOOTBLOCK_TOOLFILE]; |
| 83 | |
| 84 | /* 1024 */ |
| 85 | } |
| 86 | AIX5Bootblock; |
| 87 | |
| 88 | /*--------------------------------------------------------------------*/ |
| 89 | /*--- end launcher-aix5-bootblock.h ---*/ |
| 90 | /*--------------------------------------------------------------------*/ |