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Remove arch-specific coff headers

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If we use IMAGE_FILE_MACHINE_AMD64 instead of AMD64MAGIC, we can avoid
including the arch-specific coff/x86_64 header.

Based on a patch from Maxim Kammerer <mk@dee.su>.

Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
This commit is contained in:
Jeremy Kerr 2012-08-10 15:51:03 +08:00
parent 1c8fac1fbe
commit e027b87cff
5 changed files with 2 additions and 134 deletions
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2
Makefile.am
View file

@ -3,7 +3,7 @@ AM_CFLAGS = -Wall -Wextra --std=gnu99
bin_PROGRAMS = sbsign sbverify sbattach sbvarsign sbsiglist
coff_headers = coff/external.h coff/pe.h coff/i386.h coff/x86_64.h
coff_headers = coff/external.h coff/pe.h
common_SOURCES = idc.c idc.h image.c image.h fileio.c fileio.h $(coff_headers)
common_LDADD = lib/ccan/libccan.a $(libcrypto_LIBS)

74
coff/i386.h
View file

@ -1,74 +0,0 @@
/* coff information for Intel 386/486.
Copyright 2001, 2009, 2010 Free Software Foundation, Inc.
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#define L_LNNO_SIZE 2
#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
#include "coff/external.h"
#define COFF_PAGE_SIZE 0x1000
/* Bits for f_flags:
F_RELFLG Relocation info stripped from file
F_EXEC File is executable (no unresolved external references)
F_LNNO Line numbers stripped from file
F_LSYMS Local symbols stripped from file
F_AR32WR File has byte ordering of an AR32WR machine (e.g. vax). */
#define F_RELFLG (0x0001)
#define F_EXEC (0x0002)
#define F_LNNO (0x0004)
#define F_LSYMS (0x0008)
#define I386MAGIC 0x14c
#define I386PTXMAGIC 0x154
#define I386AIXMAGIC 0x175
/* This is Lynx's all-platform magic number for executables. */
#define LYNXCOFFMAGIC 0415
#define I386BADMAG(x) ( ((x).f_magic != I386MAGIC) \
&& (x).f_magic != I386AIXMAGIC \
&& (x).f_magic != I386PTXMAGIC \
&& (x).f_magic != LYNXCOFFMAGIC)
#define OMAGIC 0404 /* Object files, eg as output. */
#define ZMAGIC 0413 /* Demand load format, eg normal ld output. */
#define STMAGIC 0401 /* Target shlib. */
#define SHMAGIC 0443 /* Host shlib. */
/* Define some NT default values. */
/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT 0x200
#define NT_DEF_RESERVE 0x100000
#define NT_DEF_COMMIT 0x1000
/* Relocation directives. */
struct external_reloc
{
char r_vaddr[4];
char r_symndx[4];
char r_type[2];
};
#define RELOC struct external_reloc
#define RELSZ 10

57
coff/x86_64.h
View file

@ -1,57 +0,0 @@
/* COFF information for AMD 64.
Copyright 2006, 2009, 2010 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA.
Written by Kai Tietz, OneVision Software GmbH&CoKg. */
#define L_LNNO_SIZE 2
#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
#include "coff/external.h"
#define COFF_PAGE_SIZE 0x1000
#define AMD64MAGIC 0x8664
#define AMD64BADMAG(x) ((x).f_magic != AMD64MAGIC)
#define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
#define OMAGIC 0404 /* Object files, eg as output. */
#define ZMAGIC IMAGE_NT_OPTIONAL_HDR64_MAGIC /* Demand load format, eg normal ld output 0x10b. */
#define STMAGIC 0401 /* Target shlib. */
#define SHMAGIC 0443 /* Host shlib. */
/* Define some NT default values. */
/* #define NT_IMAGE_BASE 0x400000 moved to internal.h. */
#define NT_SECTION_ALIGNMENT 0x1000
#define NT_FILE_ALIGNMENT 0x200
#define NT_DEF_RESERVE 0x100000
#define NT_DEF_COMMIT 0x1000
/* Relocation directives. */
struct external_reloc
{
char r_vaddr[4];
char r_symndx[4];
char r_type[2];
};
#define RELOC struct external_reloc
#define RELSZ 10

2
image.c
View file

@ -117,7 +117,7 @@ static int image_pecoff_parse(struct image *image)
return -1;
}
if (pehdr_u16(image->pehdr->f_magic) != AMD64MAGIC) {
if (pehdr_u16(image->pehdr->f_magic) != IMAGE_FILE_MACHINE_AMD64) {
fprintf(stderr, "Invalid PE header magic for x86_64\n");
return -1;
}

1
image.h
View file

@ -37,7 +37,6 @@
#include <bfd.h>
#define DO_NOT_DEFINE_LINENO
#include "coff/x86_64.h"
#include "coff/external.h"
#include "coff/pe.h"