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author | Richard Henderson <rth@redhat.com> | 1999-05-03 07:29:06 +0000 |
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committer | Richard Henderson <rth@redhat.com> | 1999-05-03 07:29:06 +0000 |
commit | 860acaebec6b57ce27e244cc02a58e6651a4b6c3 (patch) | |
tree | eff5420756a4bd56b40b74c2b828b261f327610b /bfd/pc532-mach.c | |
parent | f9c53ad2d7cb541cbe821d645b90437ac063e5db (diff) | |
download | gdb-860acaebec6b57ce27e244cc02a58e6651a4b6c3.tar.gz |
Initial revision
Diffstat (limited to 'bfd/pc532-mach.c')
-rw-r--r-- | bfd/pc532-mach.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/bfd/pc532-mach.c b/bfd/pc532-mach.c new file mode 100644 index 00000000000..73f4ac49e82 --- /dev/null +++ b/bfd/pc532-mach.c @@ -0,0 +1,121 @@ +/* BFD back-end for Mach3/532 a.out-ish binaries. + Copyright (C) 1990, 1991, 1992, 1994 Free Software Foundation, Inc. + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Written by Ian Dall + * 19-Apr-94 + * + * Formerly part of aout-pc532-mach.c. Split out to allow more + * flexibility with multiple formats. + * + */ +/* This architecture has N_TXTOFF and N_TXTADDR defined as if + * N_HEADER_IN_TEXT, but the a_text entry (text size) does not include the + * space for the header. So we have N_HEADER_IN_TEXT defined to + * 1 and specially define our own N_TXTSIZE + */ + +#define N_HEADER_IN_TEXT(x) 1 +#define N_TXTSIZE(x) ((x).a_text) + + +#define TEXT_START_ADDR 0x10000 /* from old ld */ +#define TARGET_PAGE_SIZE 0x1000 /* from old ld, 032 & 532 are really 512/4k */ + +/* Use a_entry of 0 to distinguish object files from OMAGIC executables */ +#define N_TXTADDR(x) \ + (N_MAGIC(x) == OMAGIC ? \ + ((x).a_entry < TEXT_START_ADDR? 0: TEXT_START_ADDR): \ + (N_MAGIC(x) == NMAGIC? TEXT_START_ADDR: \ + TEXT_START_ADDR + EXEC_BYTES_SIZE)) + +#define SEGMENT_SIZE TARGET_PAGE_SIZE + +#define N_SHARED_LIB(x) 0 +#define SEGMENT_SIZE TARGET_PAGE_SIZE +#define DEFAULT_ARCH bfd_arch_ns32k + +#define MY(OP) CAT(pc532machaout_,OP) + +/* Must be the same as aout-ns32k.c */ +#define NAME(x,y) CAT3(ns32kaout,_32_,y) + +#define TARGETNAME "a.out-pc532-mach" + +#include "bfd.h" +#include "sysdep.h" +#include "libaout.h" +#include "libbfd.h" +#include "aout/aout64.h" + +/* We can`t use the MYNS macro here for cpp reasons too subtle for me -- IWD */ + +#define MY_bfd_reloc_type_lookup ns32kaout_bfd_reloc_type_lookup + +/* libaout doesn't use NAME for these ... */ + +#define MY_get_section_contents aout_32_get_section_contents + +#define MY_text_includes_header 1 + +#define MY_exec_header_not_counted 1 + +#define MYNSX(OP) CAT(ns32kaout_,OP) +reloc_howto_type * +MYNSX(bfd_reloc_type_lookup) + PARAMS((bfd *abfd AND + bfd_reloc_code_real_type code)); + +boolean +MYNSX(write_object_contents) + PARAMS((bfd *abfd)); + +static boolean +MY(write_object_contents) (abfd) +bfd *abfd; +{ + struct external_exec exec_bytes; + struct internal_exec *execp = exec_hdr (abfd); + +#if CHOOSE_RELOC_SIZE + CHOOSE_RELOC_SIZE(abfd); +#else + obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; +#endif + + BFD_ASSERT (bfd_get_arch (abfd) == bfd_arch_ns32k); + switch (bfd_get_mach (abfd)) + { + case 32032: + N_SET_MACHTYPE (*execp, M_NS32032); + break; + case 32532: + default: + N_SET_MACHTYPE (*execp, M_NS32532); + break; + } + N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); + + WRITE_HEADERS(abfd, execp); + + return true; +} + +#define MY_write_object_contents MY(write_object_contents) + +#include "aout-target.h" |