1 /* BFD back-end for i386 a.out binaries under dynix. 2 Copyright (C) 1994-2014 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 22 /* This BFD is currently only tested with gdb, writing object files 23 may not work. */ 24 25 #define TEXT_START_ADDR 4096 26 #define TARGET_PAGE_SIZE 4096 27 #define SEGMENT_SIZE TARGET_PAGE_SIZE 28 29 #include "aout/dynix3.h" 30 31 #define DEFAULT_ARCH bfd_arch_i386 32 #define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN) 33 34 /* Do not "beautify" the CONCAT* macro args. Traditional C will not 35 remove whitespace added here, and thus will fail to concatenate 36 the tokens. */ 37 #define MY(OP) CONCAT2 (i386_aout_dynix_,OP) 38 #define TARGETNAME "a.out-i386-dynix" 39 #define NAME(x,y) CONCAT3 (i386dynix,_32_,y) 40 #define ARCH_SIZE 32 41 #define NAME_swap_exec_header_in NAME(i386dynix_32_,swap_exec_header_in) 42 #define MY_get_section_contents aout_32_get_section_contents 43 44 /* aoutx.h requires definitions for NMAGIC, BMAGIC and QMAGIC. */ 45 #define NMAGIC 0 46 #define BMAGIC OMAGIC 47 #define QMAGIC XMAGIC 48 49 #include "aoutx.h" 50 51 /* (Ab)use some fields in the internal exec header to be able to read 52 executables that contain shared data. */ 53 54 #define a_shdata a_tload 55 #define a_shdrsize a_dload 56 57 void 58 i386dynix_32_swap_exec_header_in (bfd *abfd, 59 struct external_exec *raw_bytes, 60 struct internal_exec *execp) 61 { 62 struct external_exec *bytes = (struct external_exec *)raw_bytes; 63 64 /* The internal_exec structure has some fields that are unused in this 65 configuration (IE for i960), so ensure that all such uninitialized 66 fields are zero'd out. There are places where two of these structs 67 are memcmp'd, and thus the contents do matter. */ 68 memset (execp, 0, sizeof (struct internal_exec)); 69 /* Now fill in fields in the execp, from the bytes in the raw data. */ 70 execp->a_info = H_GET_32 (abfd, bytes->e_info); 71 execp->a_text = GET_WORD (abfd, bytes->e_text); 72 execp->a_data = GET_WORD (abfd, bytes->e_data); 73 execp->a_bss = GET_WORD (abfd, bytes->e_bss); 74 execp->a_syms = GET_WORD (abfd, bytes->e_syms); 75 execp->a_entry = GET_WORD (abfd, bytes->e_entry); 76 execp->a_trsize = GET_WORD (abfd, bytes->e_trsize); 77 execp->a_drsize = GET_WORD (abfd, bytes->e_drsize); 78 execp->a_shdata = GET_WORD (abfd, bytes->e_shdata); 79 execp->a_shdrsize = GET_WORD (abfd, bytes->e_shdrsize); 80 } 81 82 #include "aout-target.h" 83
