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145 |
khays |
# This shell script emits a C file. -*- C -*-
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# It does some substitutions.
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if [ -z "$MACHINE" ]; then
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OUTPUT_ARCH=${ARCH}
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else
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OUTPUT_ARCH=${ARCH}:${MACHINE}
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fi
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rm -f e${EMULATION_NAME}.c
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(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
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fragment <
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/* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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This file is part of the GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* For WINDOWS_NT */
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/* The original file generated returned different default scripts depending
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on whether certain switches were set, but these switches pertain to the
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Linux system and that particular version of coff. In the NT case, we
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only determine if the subsystem is console or windows in order to select
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the correct entry point by default. */
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#define TARGET_IS_${EMULATION_NAME}
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/* Do this before including bfd.h, so we prototype the right functions. */
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#if defined(TARGET_IS_armpe) \
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|| defined(TARGET_IS_arm_epoc_pe) \
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|| defined(TARGET_IS_arm_wince_pe)
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#define bfd_arm_allocate_interworking_sections \
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bfd_${EMULATION_NAME}_allocate_interworking_sections
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#define bfd_arm_get_bfd_for_interworking \
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bfd_${EMULATION_NAME}_get_bfd_for_interworking
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#define bfd_arm_process_before_allocation \
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bfd_${EMULATION_NAME}_process_before_allocation
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#endif
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "getopt.h"
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#include "libiberty.h"
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#include "filenames.h"
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#include "ld.h"
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#include "ldmain.h"
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#include "ldexp.h"
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#include "ldlang.h"
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#include "ldfile.h"
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#include "ldemul.h"
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#include
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#include "ldlex.h"
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#include "ldmisc.h"
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#include "ldctor.h"
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#include "coff/internal.h"
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/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
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header in generic PE code. */
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#include "coff/i386.h"
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#include "coff/pe.h"
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/* FIXME: This is a BFD internal header file, and we should not be
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using it here. */
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#include "../bfd/libcoff.h"
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#include "deffile.h"
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#include "pe-dll.h"
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#include "safe-ctype.h"
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/* Permit the emulation parameters to override the default section
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alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes
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it seem that include/coff/internal.h should not define
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PE_DEF_SECTION_ALIGNMENT. */
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#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT}
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#undef PE_DEF_SECTION_ALIGNMENT
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#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
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#endif
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#if defined(TARGET_IS_i386pe) \
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|| defined(TARGET_IS_shpe) \
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|| defined(TARGET_IS_mipspe) \
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|| defined(TARGET_IS_armpe) \
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|| defined(TARGET_IS_arm_epoc_pe) \
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|| defined(TARGET_IS_arm_wince_pe)
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#define DLL_SUPPORT
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#endif
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#if defined(TARGET_IS_i386pe)
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#define DEFAULT_PSEUDO_RELOC_VERSION 2
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#else
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#define DEFAULT_PSEUDO_RELOC_VERSION 1
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#endif
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| 109 |
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#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
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#define PE_DEF_SUBSYSTEM 3
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#else
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#undef NT_EXE_IMAGE_BASE
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#undef PE_DEF_SECTION_ALIGNMENT
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#undef PE_DEF_FILE_ALIGNMENT
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#define NT_EXE_IMAGE_BASE 0x00010000
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#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
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#define PE_DEF_SECTION_ALIGNMENT 0x00001000
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#define PE_DEF_SUBSYSTEM 9
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#else
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#define PE_DEF_SECTION_ALIGNMENT 0x00000400
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#define PE_DEF_SUBSYSTEM 2
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#endif
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#define PE_DEF_FILE_ALIGNMENT 0x00000200
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#endif
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static struct internal_extra_pe_aouthdr pe;
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static int dll;
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static int pe_subsystem = ${SUBSYSTEM};
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static flagword real_flags = 0;
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static int support_old_code = 0;
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static char * thumb_entry_symbol = NULL;
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static lang_assignment_statement_type *image_base_statement = 0;
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static unsigned short pe_dll_characteristics = 0;
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#ifdef DLL_SUPPORT
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static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
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static char *pe_out_def_filename = NULL;
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static char *pe_implib_filename = NULL;
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static int pe_enable_auto_image_base = 0;
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static char *pe_dll_search_prefix = NULL;
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#endif
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| 144 |
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extern const char *output_filename;
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| 145 |
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| 146 |
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static int is_underscoring (void)
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{
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int u = 0;
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if (pe_leading_underscore != -1)
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return pe_leading_underscore;
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if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
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bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
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if (u == -1)
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abort ();
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pe_leading_underscore = (u != 0 ? 1 : 0);
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return pe_leading_underscore;
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}
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static void
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gld_${EMULATION_NAME}_before_parse (void)
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{
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is_underscoring ();
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ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
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output_filename = "${EXECUTABLE_NAME:-a.exe}";
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#ifdef DLL_SUPPORT
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config.dynamic_link = TRUE;
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config.has_shared = 1;
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EOF
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# Cygwin no longer wants these noisy warnings. Other PE
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# targets might like to consider adding themselves here.
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case ${target} in
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*-*-cygwin*)
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default_auto_import=1
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default_merge_rdata=1
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;;
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i[3-7]86-*-mingw* | x86_64-*-mingw*)
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default_auto_import=1
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default_merge_rdata=0
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;;
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| 182 |
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*)
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default_auto_import=-1
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default_merge_rdata=1
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| 185 |
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;;
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esac
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| 187 |
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| 188 |
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fragment <
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link_info.pei386_auto_import = ${default_auto_import};
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| 190 |
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/* Use by default version. */
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| 191 |
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link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
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| 192 |
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#endif
|
| 193 |
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}
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| 194 |
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| 195 |
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/* Indicates if RDATA shall be merged into DATA when pseudo-relocation
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| 196 |
|
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version 2 is used and auto-import is enabled. */
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| 197 |
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#define MERGE_RDATA_V2 ${default_merge_rdata}
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| 198 |
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| 199 |
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/* PE format extra command line options. */
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| 200 |
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| 201 |
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/* Used for setting flags in the PE header. */
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| 202 |
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#define OPTION_BASE_FILE (300 + 1)
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| 203 |
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#define OPTION_DLL (OPTION_BASE_FILE + 1)
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| 204 |
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#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
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| 205 |
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#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
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| 206 |
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#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
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| 207 |
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#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
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| 208 |
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#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
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| 209 |
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#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
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| 210 |
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#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
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| 211 |
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#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
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| 212 |
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#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
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| 213 |
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#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
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| 214 |
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#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
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| 215 |
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#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
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| 216 |
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#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1)
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| 217 |
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#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
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| 218 |
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#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
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| 219 |
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#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
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| 220 |
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#define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
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| 221 |
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#define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
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| 222 |
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#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
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| 223 |
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#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
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| 224 |
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#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
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| 225 |
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#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1)
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| 226 |
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#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
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| 227 |
|
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#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
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| 228 |
|
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#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
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| 229 |
|
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#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
|
| 230 |
|
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#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
|
| 231 |
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#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
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| 232 |
|
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#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
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| 233 |
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#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1)
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| 234 |
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#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1)
|
| 235 |
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#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1)
|
| 236 |
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#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1)
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| 237 |
|
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#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \
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| 238 |
|
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(OPTION_EXCLUDE_LIBS + 1)
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| 239 |
|
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#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
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| 240 |
|
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(OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
|
| 241 |
|
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#define OPTION_LARGE_ADDRESS_AWARE \
|
| 242 |
|
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(OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
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| 243 |
|
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#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 \
|
| 244 |
|
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(OPTION_LARGE_ADDRESS_AWARE + 1)
|
| 245 |
|
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#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 \
|
| 246 |
|
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(OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1 + 1)
|
| 247 |
|
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#define OPTION_EXCLUDE_MODULES_FOR_IMPLIB \
|
| 248 |
|
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(OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
|
| 249 |
|
|
#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
|
| 250 |
|
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(OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
|
| 251 |
|
|
#define OPTION_NO_LEADING_UNDERSCORE \
|
| 252 |
|
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(OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
|
| 253 |
|
|
#define OPTION_LEADING_UNDERSCORE \
|
| 254 |
|
|
(OPTION_NO_LEADING_UNDERSCORE + 1)
|
| 255 |
|
|
#define OPTION_ENABLE_LONG_SECTION_NAMES \
|
| 256 |
|
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(OPTION_LEADING_UNDERSCORE + 1)
|
| 257 |
|
|
#define OPTION_DISABLE_LONG_SECTION_NAMES \
|
| 258 |
|
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(OPTION_ENABLE_LONG_SECTION_NAMES + 1)
|
| 259 |
|
|
/* DLLCharacteristics flags */
|
| 260 |
|
|
#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
|
| 261 |
|
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#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
|
| 262 |
|
|
#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
|
| 263 |
|
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#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
|
| 264 |
|
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#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
|
| 265 |
|
|
#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
|
| 266 |
|
|
#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
|
| 267 |
|
|
#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
|
| 268 |
|
|
|
| 269 |
|
|
static void
|
| 270 |
|
|
gld${EMULATION_NAME}_add_options
|
| 271 |
|
|
(int ns ATTRIBUTE_UNUSED,
|
| 272 |
|
|
char **shortopts ATTRIBUTE_UNUSED,
|
| 273 |
|
|
int nl,
|
| 274 |
|
|
struct option **longopts,
|
| 275 |
|
|
int nrl ATTRIBUTE_UNUSED,
|
| 276 |
|
|
struct option **really_longopts ATTRIBUTE_UNUSED)
|
| 277 |
|
|
{
|
| 278 |
|
|
static const struct option xtra_long[] = {
|
| 279 |
|
|
/* PE options */
|
| 280 |
|
|
{"base-file", required_argument, NULL, OPTION_BASE_FILE},
|
| 281 |
|
|
{"dll", no_argument, NULL, OPTION_DLL},
|
| 282 |
|
|
{"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
|
| 283 |
|
|
{"heap", required_argument, NULL, OPTION_HEAP},
|
| 284 |
|
|
{"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
|
| 285 |
|
|
{"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
|
| 286 |
|
|
{"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
|
| 287 |
|
|
{"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
|
| 288 |
|
|
{"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
|
| 289 |
|
|
{"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
|
| 290 |
|
|
{"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
|
| 291 |
|
|
{"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
|
| 292 |
|
|
{"stack", required_argument, NULL, OPTION_STACK},
|
| 293 |
|
|
{"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
|
| 294 |
|
|
{"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
|
| 295 |
|
|
{"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
|
| 296 |
|
|
{"use-nul-prefixed-import-tables", no_argument, NULL,
|
| 297 |
|
|
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
|
| 298 |
|
|
{"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
|
| 299 |
|
|
{"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
|
| 300 |
|
|
#ifdef DLL_SUPPORT
|
| 301 |
|
|
/* getopt allows abbreviations, so we do this to stop it
|
| 302 |
|
|
from treating -o as an abbreviation for this option. */
|
| 303 |
|
|
{"output-def", required_argument, NULL, OPTION_OUT_DEF},
|
| 304 |
|
|
{"output-def", required_argument, NULL, OPTION_OUT_DEF},
|
| 305 |
|
|
{"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
|
| 306 |
|
|
{"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
|
| 307 |
|
|
{"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
|
| 308 |
|
|
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
|
| 309 |
|
|
{"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
|
| 310 |
|
|
{"kill-at", no_argument, NULL, OPTION_KILL_ATS},
|
| 311 |
|
|
{"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
|
| 312 |
|
|
{"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
|
| 313 |
|
|
{"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP},
|
| 314 |
|
|
{"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
|
| 315 |
|
|
{"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
|
| 316 |
|
|
/* getopt() allows abbreviations, so we do this to stop it from
|
| 317 |
|
|
treating -c as an abbreviation for these --compat-implib. */
|
| 318 |
|
|
{"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
|
| 319 |
|
|
{"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
|
| 320 |
|
|
{"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
|
| 321 |
|
|
{"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
|
| 322 |
|
|
{"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
|
| 323 |
|
|
{"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
|
| 324 |
|
|
{"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT},
|
| 325 |
|
|
{"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT},
|
| 326 |
|
|
{"enable-extra-pe-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
|
| 327 |
|
|
{"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
|
| 328 |
|
|
{"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
|
| 329 |
|
|
{"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
|
| 330 |
|
|
{"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
|
| 331 |
|
|
#endif
|
| 332 |
|
|
{"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
|
| 333 |
|
|
{"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
|
| 334 |
|
|
{"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
|
| 335 |
|
|
{"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
|
| 336 |
|
|
{"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
|
| 337 |
|
|
{"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
|
| 338 |
|
|
{"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
|
| 339 |
|
|
{"no-seh", no_argument, NULL, OPTION_NO_SEH},
|
| 340 |
|
|
{"no-bind", no_argument, NULL, OPTION_NO_BIND},
|
| 341 |
|
|
{"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
|
| 342 |
|
|
{"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
|
| 343 |
|
|
{NULL, no_argument, NULL, 0}
|
| 344 |
|
|
};
|
| 345 |
|
|
|
| 346 |
|
|
*longopts
|
| 347 |
|
|
= xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
|
| 348 |
|
|
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
|
| 349 |
|
|
}
|
| 350 |
|
|
|
| 351 |
|
|
/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
|
| 352 |
|
|
parameters which may be input from the command line. */
|
| 353 |
|
|
|
| 354 |
|
|
typedef struct
|
| 355 |
|
|
{
|
| 356 |
|
|
void *ptr;
|
| 357 |
|
|
int size;
|
| 358 |
|
|
int value;
|
| 359 |
|
|
char *symbol;
|
| 360 |
|
|
int inited;
|
| 361 |
|
|
/* FALSE for an assembly level symbol and TRUE for a C visible symbol.
|
| 362 |
|
|
C visible symbols can be prefixed by underscore dependent to target's
|
| 363 |
|
|
settings. */
|
| 364 |
|
|
bfd_boolean is_c_symbol;
|
| 365 |
|
|
} definfo;
|
| 366 |
|
|
|
| 367 |
|
|
/* Get symbol name dependent to kind and C visible state of
|
| 368 |
|
|
underscore. */
|
| 369 |
|
|
#define GET_INIT_SYMBOL_NAME(IDX) \
|
| 370 |
|
|
(init[(IDX)].symbol \
|
| 371 |
|
|
+ ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
|
| 372 |
|
|
|
| 373 |
|
|
/* Decorates the C visible symbol by underscore, if target requires. */
|
| 374 |
|
|
#define U(CSTR) \
|
| 375 |
|
|
((is_underscoring () == 0) ? CSTR : "_" CSTR)
|
| 376 |
|
|
|
| 377 |
|
|
/* Get size of constant string for a possible underscore prefixed
|
| 378 |
|
|
C visible symbol. */
|
| 379 |
|
|
#define U_SIZE(CSTR) \
|
| 380 |
|
|
(sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
|
| 381 |
|
|
|
| 382 |
|
|
#define D(field,symbol,def,usc) {&pe.field,sizeof(pe.field), def, symbol, 0, usc}
|
| 383 |
|
|
|
| 384 |
|
|
static definfo init[] =
|
| 385 |
|
|
{
|
| 386 |
|
|
/* imagebase must be first */
|
| 387 |
|
|
#define IMAGEBASEOFF 0
|
| 388 |
|
|
D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
|
| 389 |
|
|
#define DLLOFF 1
|
| 390 |
|
|
{&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
|
| 391 |
|
|
#define MSIMAGEBASEOFF 2
|
| 392 |
|
|
D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
|
| 393 |
|
|
D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
|
| 394 |
|
|
D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
|
| 395 |
|
|
D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
|
| 396 |
|
|
D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
|
| 397 |
|
|
D(MajorImageVersion,"__major_image_version__", 1, FALSE),
|
| 398 |
|
|
D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
|
| 399 |
|
|
#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
|
| 400 |
|
|
D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
|
| 401 |
|
|
#else
|
| 402 |
|
|
D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
|
| 403 |
|
|
#endif
|
| 404 |
|
|
D(MinorSubsystemVersion,"__minor_subsystem_version__", 0, FALSE),
|
| 405 |
|
|
D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
|
| 406 |
|
|
D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
|
| 407 |
|
|
D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
|
| 408 |
|
|
D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
|
| 409 |
|
|
D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
|
| 410 |
|
|
D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
|
| 411 |
|
|
D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
|
| 412 |
|
|
{ NULL, 0, 0, NULL, 0 , FALSE}
|
| 413 |
|
|
};
|
| 414 |
|
|
|
| 415 |
|
|
|
| 416 |
|
|
static void
|
| 417 |
|
|
gld_${EMULATION_NAME}_list_options (FILE *file)
|
| 418 |
|
|
{
|
| 419 |
|
|
fprintf (file, _(" --base_file Generate a base file for relocatable DLLs\n"));
|
| 420 |
|
|
fprintf (file, _(" --dll Set image base to the default for DLLs\n"));
|
| 421 |
|
|
fprintf (file, _(" --file-alignment Set file alignment\n"));
|
| 422 |
|
|
fprintf (file, _(" --heap Set initial size of the heap\n"));
|
| 423 |
|
|
fprintf (file, _(" --image-base Set start address of the executable\n"));
|
| 424 |
|
|
fprintf (file, _(" --major-image-version Set version number of the executable\n"));
|
| 425 |
|
|
fprintf (file, _(" --major-os-version Set minimum required OS version\n"));
|
| 426 |
|
|
fprintf (file, _(" --major-subsystem-version Set minimum required OS subsystem version\n"));
|
| 427 |
|
|
fprintf (file, _(" --minor-image-version Set revision number of the executable\n"));
|
| 428 |
|
|
fprintf (file, _(" --minor-os-version Set minimum required OS revision\n"));
|
| 429 |
|
|
fprintf (file, _(" --minor-subsystem-version Set minimum required OS subsystem revision\n"));
|
| 430 |
|
|
fprintf (file, _(" --section-alignment Set section alignment\n"));
|
| 431 |
|
|
fprintf (file, _(" --stack Set size of the initial stack\n"));
|
| 432 |
|
|
fprintf (file, _(" --subsystem [:] Set required OS subsystem [& version]\n"));
|
| 433 |
|
|
fprintf (file, _(" --support-old-code Support interworking with old code\n"));
|
| 434 |
|
|
fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
|
| 435 |
|
|
fprintf (file, _(" --thumb-entry= Set the entry point to be Thumb \n"));
|
| 436 |
|
|
#ifdef DLL_SUPPORT
|
| 437 |
|
|
fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
|
| 438 |
|
|
fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
|
| 439 |
|
|
fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
|
| 440 |
|
|
fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
|
| 441 |
|
|
fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
|
| 442 |
|
|
fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
|
| 443 |
|
|
fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
|
| 444 |
|
|
fprintf (file, _(" Exclude objects, archive members from auto\n"));
|
| 445 |
|
|
fprintf (file, _(" export, place into import library instead.\n"));
|
| 446 |
|
|
fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
|
| 447 |
|
|
fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
|
| 448 |
|
|
fprintf (file, _(" --out-implib Generate import library\n"));
|
| 449 |
|
|
fprintf (file, _(" --output-def Generate a .DEF file for the built DLL\n"));
|
| 450 |
|
|
fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
|
| 451 |
|
|
fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\
|
| 452 |
|
|
create __imp_ as well.\n"));
|
| 453 |
|
|
fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\
|
| 454 |
|
|
unless user specifies one\n"));
|
| 455 |
|
|
fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
|
| 456 |
|
|
fprintf (file, _(" --dll-search-prefix= When linking dynamically to a dll without\n\
|
| 457 |
|
|
an importlib, use .dll\n\
|
| 458 |
|
|
in preference to lib.dll \n"));
|
| 459 |
|
|
fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
|
| 460 |
|
|
__imp_sym for DATA references\n"));
|
| 461 |
|
|
fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
|
| 462 |
|
|
fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
|
| 463 |
|
|
adding pseudo-relocations resolved at\n\
|
| 464 |
|
|
runtime.\n"));
|
| 465 |
|
|
fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\
|
| 466 |
|
|
auto-imported DATA.\n"));
|
| 467 |
|
|
fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
|
| 468 |
|
|
or linking to DLLs (esp. auto-import)\n"));
|
| 469 |
|
|
#endif
|
| 470 |
|
|
fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
|
| 471 |
|
|
greater than 2 gigabytes\n"));
|
| 472 |
|
|
fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
|
| 473 |
|
|
executable image files\n"));
|
| 474 |
|
|
fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
|
| 475 |
|
|
in object files\n"));
|
| 476 |
|
|
fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
|
| 477 |
|
|
address space layout randomization (ASLR)\n"));
|
| 478 |
|
|
fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
|
| 479 |
|
|
fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
|
| 480 |
|
|
fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
|
| 481 |
|
|
fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
|
| 482 |
|
|
be called in this image\n"));
|
| 483 |
|
|
fprintf (file, _(" --no-bind Do not bind this image\n"));
|
| 484 |
|
|
fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
|
| 485 |
|
|
fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
|
| 486 |
|
|
}
|
| 487 |
|
|
|
| 488 |
|
|
|
| 489 |
|
|
static void
|
| 490 |
|
|
set_pe_name (char *name, long val)
|
| 491 |
|
|
{
|
| 492 |
|
|
int i;
|
| 493 |
|
|
is_underscoring ();
|
| 494 |
|
|
|
| 495 |
|
|
/* Find the name and set it. */
|
| 496 |
|
|
for (i = 0; init[i].ptr; i++)
|
| 497 |
|
|
{
|
| 498 |
|
|
if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
|
| 499 |
|
|
{
|
| 500 |
|
|
init[i].value = val;
|
| 501 |
|
|
init[i].inited = 1;
|
| 502 |
|
|
if (strcmp (name,"__image_base__") == 0)
|
| 503 |
|
|
set_pe_name (U ("__ImageBase"), val);
|
| 504 |
|
|
return;
|
| 505 |
|
|
}
|
| 506 |
|
|
}
|
| 507 |
|
|
abort ();
|
| 508 |
|
|
}
|
| 509 |
|
|
|
| 510 |
|
|
static void
|
| 511 |
|
|
set_entry_point (void)
|
| 512 |
|
|
{
|
| 513 |
|
|
const char *entry;
|
| 514 |
|
|
const char *initial_symbol_char;
|
| 515 |
|
|
int i;
|
| 516 |
|
|
|
| 517 |
|
|
static const struct
|
| 518 |
|
|
{
|
| 519 |
|
|
const int value;
|
| 520 |
|
|
const char *entry;
|
| 521 |
|
|
}
|
| 522 |
|
|
v[] =
|
| 523 |
|
|
{
|
| 524 |
|
|
{ 1, "NtProcessStartup" },
|
| 525 |
|
|
{ 2, "WinMainCRTStartup" },
|
| 526 |
|
|
{ 3, "mainCRTStartup" },
|
| 527 |
|
|
{ 7, "__PosixProcessStartup"},
|
| 528 |
|
|
{ 9, "WinMainCRTStartup" },
|
| 529 |
|
|
{14, "mainCRTStartup" },
|
| 530 |
|
|
{ 0, NULL }
|
| 531 |
|
|
};
|
| 532 |
|
|
|
| 533 |
|
|
/* Entry point name for arbitrary subsystem numbers. */
|
| 534 |
|
|
static const char default_entry[] = "mainCRTStartup";
|
| 535 |
|
|
|
| 536 |
|
|
if (link_info.shared || dll)
|
| 537 |
|
|
{
|
| 538 |
|
|
#if defined (TARGET_IS_i386pe)
|
| 539 |
|
|
entry = "DllMainCRTStartup@12";
|
| 540 |
|
|
#else
|
| 541 |
|
|
entry = "DllMainCRTStartup";
|
| 542 |
|
|
#endif
|
| 543 |
|
|
}
|
| 544 |
|
|
else
|
| 545 |
|
|
{
|
| 546 |
|
|
|
| 547 |
|
|
for (i = 0; v[i].entry; i++)
|
| 548 |
|
|
if (v[i].value == pe_subsystem)
|
| 549 |
|
|
break;
|
| 550 |
|
|
|
| 551 |
|
|
/* If no match, use the default. */
|
| 552 |
|
|
if (v[i].entry != NULL)
|
| 553 |
|
|
entry = v[i].entry;
|
| 554 |
|
|
else
|
| 555 |
|
|
entry = default_entry;
|
| 556 |
|
|
}
|
| 557 |
|
|
|
| 558 |
|
|
initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
|
| 559 |
|
|
|
| 560 |
|
|
if (*initial_symbol_char != '\0')
|
| 561 |
|
|
{
|
| 562 |
|
|
char *alc_entry;
|
| 563 |
|
|
|
| 564 |
|
|
/* lang_default_entry expects its argument to be permanently
|
| 565 |
|
|
allocated, so we don't free this string. */
|
| 566 |
|
|
alc_entry = xmalloc (strlen (initial_symbol_char)
|
| 567 |
|
|
+ strlen (entry)
|
| 568 |
|
|
+ 1);
|
| 569 |
|
|
strcpy (alc_entry, initial_symbol_char);
|
| 570 |
|
|
strcat (alc_entry, entry);
|
| 571 |
|
|
entry = alc_entry;
|
| 572 |
|
|
}
|
| 573 |
|
|
|
| 574 |
|
|
lang_default_entry (entry);
|
| 575 |
|
|
}
|
| 576 |
|
|
|
| 577 |
|
|
static void
|
| 578 |
|
|
set_pe_subsystem (void)
|
| 579 |
|
|
{
|
| 580 |
|
|
const char *sver;
|
| 581 |
|
|
char *end;
|
| 582 |
|
|
int len;
|
| 583 |
|
|
int i;
|
| 584 |
|
|
unsigned long temp_subsystem;
|
| 585 |
|
|
static const struct
|
| 586 |
|
|
{
|
| 587 |
|
|
const char *name;
|
| 588 |
|
|
const int value;
|
| 589 |
|
|
}
|
| 590 |
|
|
v[] =
|
| 591 |
|
|
{
|
| 592 |
|
|
{ "native", 1},
|
| 593 |
|
|
{ "windows", 2},
|
| 594 |
|
|
{ "console", 3},
|
| 595 |
|
|
{ "posix", 7},
|
| 596 |
|
|
{ "wince", 9},
|
| 597 |
|
|
{ "xbox", 14},
|
| 598 |
|
|
{ NULL, 0 }
|
| 599 |
|
|
};
|
| 600 |
|
|
|
| 601 |
|
|
/* Check for the presence of a version number. */
|
| 602 |
|
|
sver = strchr (optarg, ':');
|
| 603 |
|
|
if (sver == NULL)
|
| 604 |
|
|
len = strlen (optarg);
|
| 605 |
|
|
else
|
| 606 |
|
|
{
|
| 607 |
|
|
len = sver - optarg;
|
| 608 |
|
|
set_pe_name ("__major_subsystem_version__",
|
| 609 |
|
|
strtoul (sver + 1, &end, 0));
|
| 610 |
|
|
if (*end == '.')
|
| 611 |
|
|
set_pe_name ("__minor_subsystem_version__",
|
| 612 |
|
|
strtoul (end + 1, &end, 0));
|
| 613 |
|
|
if (*end != '\0')
|
| 614 |
|
|
einfo (_("%P: warning: bad version number in -subsystem option\n"));
|
| 615 |
|
|
}
|
| 616 |
|
|
|
| 617 |
|
|
/* Check for numeric subsystem. */
|
| 618 |
|
|
temp_subsystem = strtoul (optarg, & end, 0);
|
| 619 |
|
|
if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
|
| 620 |
|
|
{
|
| 621 |
|
|
/* Search list for a numeric match to use its entry point. */
|
| 622 |
|
|
for (i = 0; v[i].name; i++)
|
| 623 |
|
|
if (v[i].value == (int) temp_subsystem)
|
| 624 |
|
|
break;
|
| 625 |
|
|
|
| 626 |
|
|
/* Use this subsystem. */
|
| 627 |
|
|
pe_subsystem = (int) temp_subsystem;
|
| 628 |
|
|
}
|
| 629 |
|
|
else
|
| 630 |
|
|
{
|
| 631 |
|
|
/* Search for subsystem by name. */
|
| 632 |
|
|
for (i = 0; v[i].name; i++)
|
| 633 |
|
|
if (strncmp (optarg, v[i].name, len) == 0
|
| 634 |
|
|
&& v[i].name[len] == '\0')
|
| 635 |
|
|
break;
|
| 636 |
|
|
|
| 637 |
|
|
if (v[i].name == NULL)
|
| 638 |
|
|
{
|
| 639 |
|
|
einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
|
| 640 |
|
|
return;
|
| 641 |
|
|
}
|
| 642 |
|
|
|
| 643 |
|
|
pe_subsystem = v[i].value;
|
| 644 |
|
|
}
|
| 645 |
|
|
|
| 646 |
|
|
set_pe_name ("__subsystem__", pe_subsystem);
|
| 647 |
|
|
|
| 648 |
|
|
return;
|
| 649 |
|
|
}
|
| 650 |
|
|
|
| 651 |
|
|
|
| 652 |
|
|
static void
|
| 653 |
|
|
set_pe_value (char *name)
|
| 654 |
|
|
{
|
| 655 |
|
|
char *end;
|
| 656 |
|
|
|
| 657 |
|
|
set_pe_name (name, strtoul (optarg, &end, 0));
|
| 658 |
|
|
|
| 659 |
|
|
if (end == optarg)
|
| 660 |
|
|
einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
|
| 661 |
|
|
|
| 662 |
|
|
optarg = end;
|
| 663 |
|
|
}
|
| 664 |
|
|
|
| 665 |
|
|
|
| 666 |
|
|
static void
|
| 667 |
|
|
set_pe_stack_heap (char *resname, char *comname)
|
| 668 |
|
|
{
|
| 669 |
|
|
set_pe_value (resname);
|
| 670 |
|
|
|
| 671 |
|
|
if (*optarg == ',')
|
| 672 |
|
|
{
|
| 673 |
|
|
optarg++;
|
| 674 |
|
|
set_pe_value (comname);
|
| 675 |
|
|
}
|
| 676 |
|
|
else if (*optarg)
|
| 677 |
|
|
einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
|
| 678 |
|
|
}
|
| 679 |
|
|
|
| 680 |
|
|
|
| 681 |
|
|
static bfd_boolean
|
| 682 |
|
|
gld${EMULATION_NAME}_handle_option (int optc)
|
| 683 |
|
|
{
|
| 684 |
|
|
switch (optc)
|
| 685 |
|
|
{
|
| 686 |
|
|
default:
|
| 687 |
|
|
return FALSE;
|
| 688 |
|
|
|
| 689 |
|
|
case OPTION_BASE_FILE:
|
| 690 |
|
|
link_info.base_file = fopen (optarg, FOPEN_WB);
|
| 691 |
|
|
if (link_info.base_file == NULL)
|
| 692 |
|
|
einfo (_("%F%P: cannot open base file %s\n"), optarg);
|
| 693 |
|
|
break;
|
| 694 |
|
|
|
| 695 |
|
|
/* PE options. */
|
| 696 |
|
|
case OPTION_HEAP:
|
| 697 |
|
|
set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
|
| 698 |
|
|
break;
|
| 699 |
|
|
case OPTION_STACK:
|
| 700 |
|
|
set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
|
| 701 |
|
|
break;
|
| 702 |
|
|
case OPTION_SUBSYSTEM:
|
| 703 |
|
|
set_pe_subsystem ();
|
| 704 |
|
|
break;
|
| 705 |
|
|
case OPTION_MAJOR_OS_VERSION:
|
| 706 |
|
|
set_pe_value ("__major_os_version__");
|
| 707 |
|
|
break;
|
| 708 |
|
|
case OPTION_MINOR_OS_VERSION:
|
| 709 |
|
|
set_pe_value ("__minor_os_version__");
|
| 710 |
|
|
break;
|
| 711 |
|
|
case OPTION_MAJOR_SUBSYSTEM_VERSION:
|
| 712 |
|
|
set_pe_value ("__major_subsystem_version__");
|
| 713 |
|
|
break;
|
| 714 |
|
|
case OPTION_MINOR_SUBSYSTEM_VERSION:
|
| 715 |
|
|
set_pe_value ("__minor_subsystem_version__");
|
| 716 |
|
|
break;
|
| 717 |
|
|
case OPTION_MAJOR_IMAGE_VERSION:
|
| 718 |
|
|
set_pe_value ("__major_image_version__");
|
| 719 |
|
|
break;
|
| 720 |
|
|
case OPTION_MINOR_IMAGE_VERSION:
|
| 721 |
|
|
set_pe_value ("__minor_image_version__");
|
| 722 |
|
|
break;
|
| 723 |
|
|
case OPTION_FILE_ALIGNMENT:
|
| 724 |
|
|
set_pe_value ("__file_alignment__");
|
| 725 |
|
|
break;
|
| 726 |
|
|
case OPTION_SECTION_ALIGNMENT:
|
| 727 |
|
|
set_pe_value ("__section_alignment__");
|
| 728 |
|
|
break;
|
| 729 |
|
|
case OPTION_DLL:
|
| 730 |
|
|
set_pe_name ("__dll__", 1);
|
| 731 |
|
|
break;
|
| 732 |
|
|
case OPTION_IMAGE_BASE:
|
| 733 |
|
|
set_pe_value ("__image_base__");
|
| 734 |
|
|
break;
|
| 735 |
|
|
case OPTION_SUPPORT_OLD_CODE:
|
| 736 |
|
|
support_old_code = 1;
|
| 737 |
|
|
break;
|
| 738 |
|
|
case OPTION_THUMB_ENTRY:
|
| 739 |
|
|
thumb_entry_symbol = optarg;
|
| 740 |
|
|
break;
|
| 741 |
|
|
case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
|
| 742 |
|
|
pe_use_nul_prefixed_import_tables = TRUE;
|
| 743 |
|
|
break;
|
| 744 |
|
|
case OPTION_NO_LEADING_UNDERSCORE:
|
| 745 |
|
|
pe_leading_underscore = 0;
|
| 746 |
|
|
break;
|
| 747 |
|
|
case OPTION_LEADING_UNDERSCORE:
|
| 748 |
|
|
pe_leading_underscore = 1;
|
| 749 |
|
|
break;
|
| 750 |
|
|
#ifdef DLL_SUPPORT
|
| 751 |
|
|
case OPTION_OUT_DEF:
|
| 752 |
|
|
pe_out_def_filename = xstrdup (optarg);
|
| 753 |
|
|
break;
|
| 754 |
|
|
case OPTION_EXPORT_ALL:
|
| 755 |
|
|
pe_dll_export_everything = 1;
|
| 756 |
|
|
break;
|
| 757 |
|
|
case OPTION_EXCLUDE_SYMBOLS:
|
| 758 |
|
|
pe_dll_add_excludes (optarg, EXCLUDESYMS);
|
| 759 |
|
|
break;
|
| 760 |
|
|
case OPTION_EXCLUDE_ALL_SYMBOLS:
|
| 761 |
|
|
pe_dll_exclude_all_symbols = 1;
|
| 762 |
|
|
break;
|
| 763 |
|
|
case OPTION_EXCLUDE_LIBS:
|
| 764 |
|
|
pe_dll_add_excludes (optarg, EXCLUDELIBS);
|
| 765 |
|
|
break;
|
| 766 |
|
|
case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
|
| 767 |
|
|
pe_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
|
| 768 |
|
|
break;
|
| 769 |
|
|
case OPTION_KILL_ATS:
|
| 770 |
|
|
pe_dll_kill_ats = 1;
|
| 771 |
|
|
break;
|
| 772 |
|
|
case OPTION_STDCALL_ALIASES:
|
| 773 |
|
|
pe_dll_stdcall_aliases = 1;
|
| 774 |
|
|
break;
|
| 775 |
|
|
case OPTION_ENABLE_STDCALL_FIXUP:
|
| 776 |
|
|
pe_enable_stdcall_fixup = 1;
|
| 777 |
|
|
break;
|
| 778 |
|
|
case OPTION_DISABLE_STDCALL_FIXUP:
|
| 779 |
|
|
pe_enable_stdcall_fixup = 0;
|
| 780 |
|
|
break;
|
| 781 |
|
|
case OPTION_IMPLIB_FILENAME:
|
| 782 |
|
|
pe_implib_filename = xstrdup (optarg);
|
| 783 |
|
|
break;
|
| 784 |
|
|
case OPTION_WARN_DUPLICATE_EXPORTS:
|
| 785 |
|
|
pe_dll_warn_dup_exports = 1;
|
| 786 |
|
|
break;
|
| 787 |
|
|
case OPTION_IMP_COMPAT:
|
| 788 |
|
|
pe_dll_compat_implib = 1;
|
| 789 |
|
|
break;
|
| 790 |
|
|
case OPTION_ENABLE_AUTO_IMAGE_BASE:
|
| 791 |
|
|
pe_enable_auto_image_base = 1;
|
| 792 |
|
|
break;
|
| 793 |
|
|
case OPTION_DISABLE_AUTO_IMAGE_BASE:
|
| 794 |
|
|
pe_enable_auto_image_base = 0;
|
| 795 |
|
|
break;
|
| 796 |
|
|
case OPTION_DLL_SEARCH_PREFIX:
|
| 797 |
|
|
pe_dll_search_prefix = xstrdup (optarg);
|
| 798 |
|
|
break;
|
| 799 |
|
|
case OPTION_NO_DEFAULT_EXCLUDES:
|
| 800 |
|
|
pe_dll_do_default_excludes = 0;
|
| 801 |
|
|
break;
|
| 802 |
|
|
case OPTION_DLL_ENABLE_AUTO_IMPORT:
|
| 803 |
|
|
link_info.pei386_auto_import = 1;
|
| 804 |
|
|
break;
|
| 805 |
|
|
case OPTION_DLL_DISABLE_AUTO_IMPORT:
|
| 806 |
|
|
link_info.pei386_auto_import = 0;
|
| 807 |
|
|
break;
|
| 808 |
|
|
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
|
| 809 |
|
|
link_info.pei386_runtime_pseudo_reloc =
|
| 810 |
|
|
DEFAULT_PSEUDO_RELOC_VERSION;
|
| 811 |
|
|
break;
|
| 812 |
|
|
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
|
| 813 |
|
|
link_info.pei386_runtime_pseudo_reloc = 1;
|
| 814 |
|
|
break;
|
| 815 |
|
|
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
|
| 816 |
|
|
link_info.pei386_runtime_pseudo_reloc = 2;
|
| 817 |
|
|
break;
|
| 818 |
|
|
case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
|
| 819 |
|
|
link_info.pei386_runtime_pseudo_reloc = 0;
|
| 820 |
|
|
break;
|
| 821 |
|
|
case OPTION_ENABLE_EXTRA_PE_DEBUG:
|
| 822 |
|
|
pe_dll_extra_pe_debug = 1;
|
| 823 |
|
|
break;
|
| 824 |
|
|
#endif
|
| 825 |
|
|
case OPTION_LARGE_ADDRESS_AWARE:
|
| 826 |
|
|
real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
|
| 827 |
|
|
break;
|
| 828 |
|
|
case OPTION_ENABLE_LONG_SECTION_NAMES:
|
| 829 |
|
|
pe_use_coff_long_section_names = 1;
|
| 830 |
|
|
break;
|
| 831 |
|
|
case OPTION_DISABLE_LONG_SECTION_NAMES:
|
| 832 |
|
|
pe_use_coff_long_section_names = 0;
|
| 833 |
|
|
break;
|
| 834 |
|
|
/* Get DLLCharacteristics bits */
|
| 835 |
|
|
case OPTION_DYNAMIC_BASE:
|
| 836 |
|
|
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
|
| 837 |
|
|
break;
|
| 838 |
|
|
case OPTION_FORCE_INTEGRITY:
|
| 839 |
|
|
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
|
| 840 |
|
|
break;
|
| 841 |
|
|
case OPTION_NX_COMPAT:
|
| 842 |
|
|
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
|
| 843 |
|
|
break;
|
| 844 |
|
|
case OPTION_NO_ISOLATION:
|
| 845 |
|
|
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
|
| 846 |
|
|
break;
|
| 847 |
|
|
case OPTION_NO_SEH:
|
| 848 |
|
|
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
|
| 849 |
|
|
break;
|
| 850 |
|
|
case OPTION_NO_BIND:
|
| 851 |
|
|
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
|
| 852 |
|
|
break;
|
| 853 |
|
|
case OPTION_WDM_DRIVER:
|
| 854 |
|
|
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
|
| 855 |
|
|
break;
|
| 856 |
|
|
case OPTION_TERMINAL_SERVER_AWARE:
|
| 857 |
|
|
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
|
| 858 |
|
|
break;
|
| 859 |
|
|
}
|
| 860 |
|
|
|
| 861 |
|
|
/* Set DLLCharacteristics bits */
|
| 862 |
|
|
set_pe_name ("__dll_characteristics__", pe_dll_characteristics);
|
| 863 |
|
|
|
| 864 |
|
|
return TRUE;
|
| 865 |
|
|
}
|
| 866 |
|
|
|
| 867 |
|
|
|
| 868 |
|
|
#ifdef DLL_SUPPORT
|
| 869 |
|
|
static unsigned long
|
| 870 |
|
|
strhash (const char *str)
|
| 871 |
|
|
{
|
| 872 |
|
|
const unsigned char *s;
|
| 873 |
|
|
unsigned long hash;
|
| 874 |
|
|
unsigned int c;
|
| 875 |
|
|
unsigned int len;
|
| 876 |
|
|
|
| 877 |
|
|
hash = 0;
|
| 878 |
|
|
len = 0;
|
| 879 |
|
|
s = (const unsigned char *) str;
|
| 880 |
|
|
while ((c = *s++) != '\0')
|
| 881 |
|
|
{
|
| 882 |
|
|
hash += c + (c << 17);
|
| 883 |
|
|
hash ^= hash >> 2;
|
| 884 |
|
|
++len;
|
| 885 |
|
|
}
|
| 886 |
|
|
hash += len + (len << 17);
|
| 887 |
|
|
hash ^= hash >> 2;
|
| 888 |
|
|
|
| 889 |
|
|
return hash;
|
| 890 |
|
|
}
|
| 891 |
|
|
|
| 892 |
|
|
/* Use the output file to create a image base for relocatable DLLs. */
|
| 893 |
|
|
|
| 894 |
|
|
static unsigned long
|
| 895 |
|
|
compute_dll_image_base (const char *ofile)
|
| 896 |
|
|
{
|
| 897 |
|
|
unsigned long hash = strhash (ofile);
|
| 898 |
|
|
return 0x61300000 + ((hash << 16) & 0x0FFC0000);
|
| 899 |
|
|
}
|
| 900 |
|
|
#endif
|
| 901 |
|
|
|
| 902 |
|
|
/* Assign values to the special symbols before the linker script is
|
| 903 |
|
|
read. */
|
| 904 |
|
|
|
| 905 |
|
|
static void
|
| 906 |
|
|
gld_${EMULATION_NAME}_set_symbols (void)
|
| 907 |
|
|
{
|
| 908 |
|
|
/* Run through and invent symbols for all the
|
| 909 |
|
|
names and insert the defaults. */
|
| 910 |
|
|
int j;
|
| 911 |
|
|
|
| 912 |
|
|
is_underscoring ();
|
| 913 |
|
|
|
| 914 |
|
|
if (!init[IMAGEBASEOFF].inited)
|
| 915 |
|
|
{
|
| 916 |
|
|
if (link_info.relocatable)
|
| 917 |
|
|
init[IMAGEBASEOFF].value = 0;
|
| 918 |
|
|
else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
|
| 919 |
|
|
{
|
| 920 |
|
|
#ifdef DLL_SUPPORT
|
| 921 |
|
|
init[IMAGEBASEOFF].value = (pe_enable_auto_image_base
|
| 922 |
|
|
? compute_dll_image_base (output_filename)
|
| 923 |
|
|
: NT_DLL_IMAGE_BASE);
|
| 924 |
|
|
#else
|
| 925 |
|
|
init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
|
| 926 |
|
|
#endif
|
| 927 |
|
|
}
|
| 928 |
|
|
else
|
| 929 |
|
|
init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
|
| 930 |
|
|
init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
|
| 931 |
|
|
}
|
| 932 |
|
|
|
| 933 |
|
|
/* Don't do any symbol assignments if this is a relocatable link. */
|
| 934 |
|
|
if (link_info.relocatable)
|
| 935 |
|
|
return;
|
| 936 |
|
|
|
| 937 |
|
|
/* Glue the assignments into the abs section. */
|
| 938 |
|
|
push_stat_ptr (&abs_output_section->children);
|
| 939 |
|
|
|
| 940 |
|
|
for (j = 0; init[j].ptr; j++)
|
| 941 |
|
|
{
|
| 942 |
|
|
long val = init[j].value;
|
| 943 |
|
|
lang_assignment_statement_type *rv;
|
| 944 |
|
|
|
| 945 |
|
|
rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
|
| 946 |
|
|
exp_intop (val)));
|
| 947 |
|
|
if (init[j].size == sizeof (short))
|
| 948 |
|
|
*(short *) init[j].ptr = val;
|
| 949 |
|
|
else if (init[j].size == sizeof (int))
|
| 950 |
|
|
*(int *) init[j].ptr = val;
|
| 951 |
|
|
else if (init[j].size == sizeof (long))
|
| 952 |
|
|
*(long *) init[j].ptr = val;
|
| 953 |
|
|
/* This might be a long long or other special type. */
|
| 954 |
|
|
else if (init[j].size == sizeof (bfd_vma))
|
| 955 |
|
|
*(bfd_vma *) init[j].ptr = val;
|
| 956 |
|
|
else abort ();
|
| 957 |
|
|
if (j == IMAGEBASEOFF)
|
| 958 |
|
|
image_base_statement = rv;
|
| 959 |
|
|
}
|
| 960 |
|
|
/* Restore the pointer. */
|
| 961 |
|
|
pop_stat_ptr ();
|
| 962 |
|
|
|
| 963 |
|
|
if (pe.FileAlignment > pe.SectionAlignment)
|
| 964 |
|
|
{
|
| 965 |
|
|
einfo (_("%P: warning, file alignment > section alignment.\n"));
|
| 966 |
|
|
}
|
| 967 |
|
|
}
|
| 968 |
|
|
|
| 969 |
|
|
/* This is called after the linker script and the command line options
|
| 970 |
|
|
have been read. */
|
| 971 |
|
|
|
| 972 |
|
|
static void
|
| 973 |
|
|
gld_${EMULATION_NAME}_after_parse (void)
|
| 974 |
|
|
{
|
| 975 |
|
|
/* PR ld/6744: Warn the user if they have used an ELF-only
|
| 976 |
|
|
option hoping it will work on PE. */
|
| 977 |
|
|
if (link_info.export_dynamic)
|
| 978 |
|
|
einfo (_("%P: warning: --export-dynamic is not supported for PE "
|
| 979 |
|
|
"targets, did you mean --export-all-symbols?\n"));
|
| 980 |
|
|
|
| 981 |
|
|
set_entry_point ();
|
| 982 |
|
|
|
| 983 |
|
|
after_parse_default ();
|
| 984 |
|
|
}
|
| 985 |
|
|
|
| 986 |
|
|
/* pe-dll.c directly accesses pe_data_import_dll,
|
| 987 |
|
|
so it must be defined outside of #ifdef DLL_SUPPORT.
|
| 988 |
|
|
Note - this variable is deliberately not initialised.
|
| 989 |
|
|
This allows it to be treated as a common varaible, and only
|
| 990 |
|
|
exist in one incarnation in a multiple target enabled linker. */
|
| 991 |
|
|
char * pe_data_import_dll;
|
| 992 |
|
|
|
| 993 |
|
|
#ifdef DLL_SUPPORT
|
| 994 |
|
|
static struct bfd_link_hash_entry *pe_undef_found_sym;
|
| 995 |
|
|
|
| 996 |
|
|
static bfd_boolean
|
| 997 |
|
|
pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf)
|
| 998 |
|
|
{
|
| 999 |
|
|
int sl;
|
| 1000 |
|
|
char *string = inf;
|
| 1001 |
|
|
const char *hs = h->root.string;
|
| 1002 |
|
|
|
| 1003 |
|
|
sl = strlen (string);
|
| 1004 |
|
|
if (h->type == bfd_link_hash_defined
|
| 1005 |
|
|
&& ((*hs == '@' && *string == '_'
|
| 1006 |
|
|
&& strncmp (hs + 1, string + 1, sl - 1) == 0)
|
| 1007 |
|
|
|| strncmp (hs, string, sl) == 0)
|
| 1008 |
|
|
&& h->root.string[sl] == '@')
|
| 1009 |
|
|
{
|
| 1010 |
|
|
pe_undef_found_sym = h;
|
| 1011 |
|
|
return FALSE;
|
| 1012 |
|
|
}
|
| 1013 |
|
|
return TRUE;
|
| 1014 |
|
|
}
|
| 1015 |
|
|
|
| 1016 |
|
|
static void
|
| 1017 |
|
|
pe_fixup_stdcalls (void)
|
| 1018 |
|
|
{
|
| 1019 |
|
|
static int gave_warning_message = 0;
|
| 1020 |
|
|
struct bfd_link_hash_entry *undef, *sym;
|
| 1021 |
|
|
|
| 1022 |
|
|
if (pe_dll_extra_pe_debug)
|
| 1023 |
|
|
printf ("%s\n", __FUNCTION__);
|
| 1024 |
|
|
|
| 1025 |
|
|
for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
|
| 1026 |
|
|
if (undef->type == bfd_link_hash_undefined)
|
| 1027 |
|
|
{
|
| 1028 |
|
|
char* at = strchr (undef->root.string, '@');
|
| 1029 |
|
|
int lead_at = (*undef->root.string == '@');
|
| 1030 |
|
|
if (lead_at)
|
| 1031 |
|
|
at = strchr (undef->root.string + 1, '@');
|
| 1032 |
|
|
|
| 1033 |
|
|
if (at || lead_at)
|
| 1034 |
|
|
{
|
| 1035 |
|
|
/* The symbol is a stdcall symbol, so let's look for a
|
| 1036 |
|
|
cdecl symbol with the same name and resolve to that. */
|
| 1037 |
|
|
char *cname = xstrdup (undef->root.string);
|
| 1038 |
|
|
|
| 1039 |
|
|
if (lead_at)
|
| 1040 |
|
|
*cname = '_';
|
| 1041 |
|
|
at = strchr (cname, '@');
|
| 1042 |
|
|
if (at)
|
| 1043 |
|
|
*at = 0;
|
| 1044 |
|
|
sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
|
| 1045 |
|
|
|
| 1046 |
|
|
if (sym && sym->type == bfd_link_hash_defined)
|
| 1047 |
|
|
{
|
| 1048 |
|
|
undef->type = bfd_link_hash_defined;
|
| 1049 |
|
|
undef->u.def.value = sym->u.def.value;
|
| 1050 |
|
|
undef->u.def.section = sym->u.def.section;
|
| 1051 |
|
|
|
| 1052 |
|
|
if (pe_enable_stdcall_fixup == -1)
|
| 1053 |
|
|
{
|
| 1054 |
|
|
einfo (_("Warning: resolving %s by linking to %s\n"),
|
| 1055 |
|
|
undef->root.string, cname);
|
| 1056 |
|
|
if (! gave_warning_message)
|
| 1057 |
|
|
{
|
| 1058 |
|
|
gave_warning_message = 1;
|
| 1059 |
|
|
einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
|
| 1060 |
|
|
einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
|
| 1061 |
|
|
}
|
| 1062 |
|
|
}
|
| 1063 |
|
|
}
|
| 1064 |
|
|
}
|
| 1065 |
|
|
else
|
| 1066 |
|
|
{
|
| 1067 |
|
|
/* The symbol is a cdecl symbol, so we look for stdcall
|
| 1068 |
|
|
symbols - which means scanning the whole symbol table. */
|
| 1069 |
|
|
pe_undef_found_sym = 0;
|
| 1070 |
|
|
bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
|
| 1071 |
|
|
(char *) undef->root.string);
|
| 1072 |
|
|
sym = pe_undef_found_sym;
|
| 1073 |
|
|
if (sym)
|
| 1074 |
|
|
{
|
| 1075 |
|
|
undef->type = bfd_link_hash_defined;
|
| 1076 |
|
|
undef->u.def.value = sym->u.def.value;
|
| 1077 |
|
|
undef->u.def.section = sym->u.def.section;
|
| 1078 |
|
|
|
| 1079 |
|
|
if (pe_enable_stdcall_fixup == -1)
|
| 1080 |
|
|
{
|
| 1081 |
|
|
einfo (_("Warning: resolving %s by linking to %s\n"),
|
| 1082 |
|
|
undef->root.string, sym->root.string);
|
| 1083 |
|
|
if (! gave_warning_message)
|
| 1084 |
|
|
{
|
| 1085 |
|
|
gave_warning_message = 1;
|
| 1086 |
|
|
einfo (_("Use --enable-stdcall-fixup to disable these warnings\n"));
|
| 1087 |
|
|
einfo (_("Use --disable-stdcall-fixup to disable these fixups\n"));
|
| 1088 |
|
|
}
|
| 1089 |
|
|
}
|
| 1090 |
|
|
}
|
| 1091 |
|
|
}
|
| 1092 |
|
|
}
|
| 1093 |
|
|
}
|
| 1094 |
|
|
|
| 1095 |
|
|
static int
|
| 1096 |
|
|
make_import_fixup (arelent *rel, asection *s)
|
| 1097 |
|
|
{
|
| 1098 |
|
|
struct bfd_symbol *sym = *rel->sym_ptr_ptr;
|
| 1099 |
|
|
char addend[4];
|
| 1100 |
|
|
|
| 1101 |
|
|
if (pe_dll_extra_pe_debug)
|
| 1102 |
|
|
printf ("arelent: %s@%#lx: add=%li\n", sym->name,
|
| 1103 |
|
|
(unsigned long) rel->address, (long) rel->addend);
|
| 1104 |
|
|
|
| 1105 |
|
|
if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
|
| 1106 |
|
|
einfo (_("%C: Cannot get section contents - auto-import exception\n"),
|
| 1107 |
|
|
s->owner, s, rel->address);
|
| 1108 |
|
|
|
| 1109 |
|
|
pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
|
| 1110 |
|
|
|
| 1111 |
|
|
return 1;
|
| 1112 |
|
|
}
|
| 1113 |
|
|
|
| 1114 |
|
|
static void
|
| 1115 |
|
|
pe_find_data_imports (void)
|
| 1116 |
|
|
{
|
| 1117 |
|
|
struct bfd_link_hash_entry *undef, *sym;
|
| 1118 |
|
|
|
| 1119 |
|
|
if (link_info.pei386_auto_import == 0)
|
| 1120 |
|
|
return;
|
| 1121 |
|
|
|
| 1122 |
|
|
for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
|
| 1123 |
|
|
{
|
| 1124 |
|
|
if (undef->type == bfd_link_hash_undefined)
|
| 1125 |
|
|
{
|
| 1126 |
|
|
/* C++ symbols are *long*. */
|
| 1127 |
|
|
char buf[4096];
|
| 1128 |
|
|
|
| 1129 |
|
|
if (pe_dll_extra_pe_debug)
|
| 1130 |
|
|
printf ("%s:%s\n", __FUNCTION__, undef->root.string);
|
| 1131 |
|
|
|
| 1132 |
|
|
sprintf (buf, "__imp_%s", undef->root.string);
|
| 1133 |
|
|
|
| 1134 |
|
|
sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
|
| 1135 |
|
|
|
| 1136 |
|
|
if (sym && sym->type == bfd_link_hash_defined)
|
| 1137 |
|
|
{
|
| 1138 |
|
|
bfd *b = sym->u.def.section->owner;
|
| 1139 |
|
|
asymbol **symbols;
|
| 1140 |
|
|
int nsyms, i;
|
| 1141 |
|
|
|
| 1142 |
|
|
if (link_info.pei386_auto_import == -1)
|
| 1143 |
|
|
{
|
| 1144 |
|
|
static bfd_boolean warned = FALSE;
|
| 1145 |
|
|
|
| 1146 |
|
|
info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
|
| 1147 |
|
|
undef->root.string, buf);
|
| 1148 |
|
|
|
| 1149 |
|
|
/* PR linker/4844. */
|
| 1150 |
|
|
if (! warned)
|
| 1151 |
|
|
{
|
| 1152 |
|
|
warned = TRUE;
|
| 1153 |
|
|
einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
|
| 1154 |
|
|
This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
|
| 1155 |
|
|
}
|
| 1156 |
|
|
}
|
| 1157 |
|
|
|
| 1158 |
|
|
if (!bfd_generic_link_read_symbols (b))
|
| 1159 |
|
|
{
|
| 1160 |
|
|
einfo (_("%B%F: could not read symbols: %E\n"), b);
|
| 1161 |
|
|
return;
|
| 1162 |
|
|
}
|
| 1163 |
|
|
|
| 1164 |
|
|
symbols = bfd_get_outsymbols (b);
|
| 1165 |
|
|
nsyms = bfd_get_symcount (b);
|
| 1166 |
|
|
|
| 1167 |
|
|
for (i = 0; i < nsyms; i++)
|
| 1168 |
|
|
{
|
| 1169 |
|
|
if (! CONST_STRNEQ (symbols[i]->name,
|
| 1170 |
|
|
U ("_head_")))
|
| 1171 |
|
|
continue;
|
| 1172 |
|
|
|
| 1173 |
|
|
if (pe_dll_extra_pe_debug)
|
| 1174 |
|
|
printf ("->%s\n", symbols[i]->name);
|
| 1175 |
|
|
|
| 1176 |
|
|
pe_data_import_dll = (char *) (symbols[i]->name
|
| 1177 |
|
|
+ U_SIZE ("_head_") - 1);
|
| 1178 |
|
|
break;
|
| 1179 |
|
|
}
|
| 1180 |
|
|
|
| 1181 |
|
|
pe_walk_relocs_of_symbol (&link_info, undef->root.string,
|
| 1182 |
|
|
make_import_fixup);
|
| 1183 |
|
|
|
| 1184 |
|
|
/* Let's differentiate it somehow from defined. */
|
| 1185 |
|
|
undef->type = bfd_link_hash_defweak;
|
| 1186 |
|
|
/* We replace original name with __imp_ prefixed, this
|
| 1187 |
|
|
1) may trash memory 2) leads to duplicate symbol generation.
|
| 1188 |
|
|
Still, IMHO it's better than having name poluted. */
|
| 1189 |
|
|
undef->root.string = sym->root.string;
|
| 1190 |
|
|
undef->u.def.value = sym->u.def.value;
|
| 1191 |
|
|
undef->u.def.section = sym->u.def.section;
|
| 1192 |
|
|
}
|
| 1193 |
|
|
}
|
| 1194 |
|
|
}
|
| 1195 |
|
|
}
|
| 1196 |
|
|
|
| 1197 |
|
|
static bfd_boolean
|
| 1198 |
|
|
pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
|
| 1199 |
|
|
{
|
| 1200 |
148 |
khays |
printf ("+%s\n", h->string);
|
| 1201 |
145 |
khays |
|
| 1202 |
|
|
return TRUE;
|
| 1203 |
|
|
}
|
| 1204 |
|
|
#endif /* DLL_SUPPORT */
|
| 1205 |
|
|
|
| 1206 |
|
|
static void
|
| 1207 |
|
|
debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
|
| 1208 |
|
|
{
|
| 1209 |
|
|
int *found = (int *) obj;
|
| 1210 |
|
|
if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
|
| 1211 |
|
|
*found = 1;
|
| 1212 |
|
|
}
|
| 1213 |
|
|
|
| 1214 |
|
|
static void
|
| 1215 |
|
|
gld_${EMULATION_NAME}_after_open (void)
|
| 1216 |
|
|
{
|
| 1217 |
|
|
after_open_default ();
|
| 1218 |
|
|
|
| 1219 |
|
|
#ifdef DLL_SUPPORT
|
| 1220 |
|
|
if (pe_dll_extra_pe_debug)
|
| 1221 |
|
|
{
|
| 1222 |
|
|
bfd *a;
|
| 1223 |
|
|
struct bfd_link_hash_entry *sym;
|
| 1224 |
|
|
|
| 1225 |
|
|
printf ("%s()\n", __FUNCTION__);
|
| 1226 |
|
|
|
| 1227 |
|
|
for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
|
| 1228 |
|
|
printf ("-%s\n", sym->root.string);
|
| 1229 |
|
|
bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
|
| 1230 |
|
|
|
| 1231 |
|
|
for (a = link_info.input_bfds; a; a = a->link_next)
|
| 1232 |
|
|
printf ("*%s\n",a->filename);
|
| 1233 |
|
|
}
|
| 1234 |
|
|
#endif
|
| 1235 |
|
|
|
| 1236 |
|
|
/* Pass the wacky PE command line options into the output bfd.
|
| 1237 |
|
|
FIXME: This should be done via a function, rather than by
|
| 1238 |
|
|
including an internal BFD header. */
|
| 1239 |
|
|
|
| 1240 |
|
|
if (coff_data (link_info.output_bfd) == NULL
|
| 1241 |
|
|
|| coff_data (link_info.output_bfd)->pe == 0)
|
| 1242 |
|
|
einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"),
|
| 1243 |
|
|
link_info.output_bfd);
|
| 1244 |
|
|
|
| 1245 |
|
|
pe_data (link_info.output_bfd)->pe_opthdr = pe;
|
| 1246 |
|
|
pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
|
| 1247 |
|
|
pe_data (link_info.output_bfd)->real_flags |= real_flags;
|
| 1248 |
|
|
|
| 1249 |
|
|
/* At this point we must decide whether to use long section names
|
| 1250 |
|
|
in the output or not. If the user hasn't explicitly specified
|
| 1251 |
|
|
on the command line, we leave it to the default for the format
|
| 1252 |
|
|
(object files yes, image files no), except if there is debug
|
| 1253 |
|
|
information present; GDB relies on the long section names to
|
| 1254 |
|
|
find it, so enable it in that case. */
|
| 1255 |
|
|
if (pe_use_coff_long_section_names < 0 && link_info.strip == strip_none)
|
| 1256 |
|
|
{
|
| 1257 |
|
|
/* Iterate over all sections of all input BFDs, checking
|
| 1258 |
|
|
for any that begin 'debug_' and are long names. */
|
| 1259 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1260 |
|
|
{
|
| 1261 |
|
|
int found_debug = 0;
|
| 1262 |
|
|
bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
|
| 1263 |
|
|
if (found_debug)
|
| 1264 |
|
|
{
|
| 1265 |
|
|
pe_use_coff_long_section_names = 1;
|
| 1266 |
|
|
break;
|
| 1267 |
|
|
}
|
| 1268 |
|
|
}
|
| 1269 |
|
|
}
|
| 1270 |
|
|
|
| 1271 |
|
|
pe_output_file_set_long_section_names (link_info.output_bfd);
|
| 1272 |
|
|
|
| 1273 |
|
|
#ifdef DLL_SUPPORT
|
| 1274 |
|
|
if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
|
| 1275 |
|
|
pe_fixup_stdcalls ();
|
| 1276 |
|
|
|
| 1277 |
|
|
pe_process_import_defs (link_info.output_bfd, &link_info);
|
| 1278 |
|
|
|
| 1279 |
|
|
pe_find_data_imports ();
|
| 1280 |
|
|
|
| 1281 |
|
|
/* As possibly new symbols are added by imports, we rerun
|
| 1282 |
|
|
stdcall/fastcall fixup here. */
|
| 1283 |
|
|
if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
|
| 1284 |
|
|
pe_fixup_stdcalls ();
|
| 1285 |
|
|
|
| 1286 |
|
|
#if defined (TARGET_IS_i386pe) \
|
| 1287 |
|
|
|| defined (TARGET_IS_armpe) \
|
| 1288 |
|
|
|| defined (TARGET_IS_arm_epoc_pe) \
|
| 1289 |
|
|
|| defined (TARGET_IS_arm_wince_pe)
|
| 1290 |
|
|
if (!link_info.relocatable)
|
| 1291 |
|
|
pe_dll_build_sections (link_info.output_bfd, &link_info);
|
| 1292 |
|
|
#else
|
| 1293 |
|
|
if (link_info.shared)
|
| 1294 |
|
|
pe_dll_build_sections (link_info.output_bfd, &link_info);
|
| 1295 |
|
|
else
|
| 1296 |
|
|
pe_exe_build_sections (link_info.output_bfd, &link_info);
|
| 1297 |
|
|
#endif
|
| 1298 |
|
|
#endif /* DLL_SUPPORT */
|
| 1299 |
|
|
|
| 1300 |
|
|
#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
|
| 1301 |
|
|
if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
|
| 1302 |
|
|
{
|
| 1303 |
|
|
/* The arm backend needs special fields in the output hash structure.
|
| 1304 |
|
|
These will only be created if the output format is an arm format,
|
| 1305 |
|
|
hence we do not support linking and changing output formats at the
|
| 1306 |
|
|
same time. Use a link followed by objcopy to change output formats. */
|
| 1307 |
|
|
einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n");
|
| 1308 |
|
|
return;
|
| 1309 |
|
|
}
|
| 1310 |
|
|
{
|
| 1311 |
|
|
/* Find a BFD that can hold the interworking stubs. */
|
| 1312 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1313 |
|
|
{
|
| 1314 |
|
|
if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
|
| 1315 |
|
|
break;
|
| 1316 |
|
|
}
|
| 1317 |
|
|
}
|
| 1318 |
|
|
#endif
|
| 1319 |
|
|
|
| 1320 |
|
|
{
|
| 1321 |
|
|
/* This next chunk of code tries to detect the case where you have
|
| 1322 |
|
|
two import libraries for the same DLL (specifically,
|
| 1323 |
|
|
symbolically linking libm.a and libc.a in cygwin to
|
| 1324 |
|
|
libcygwin.a). In those cases, it's possible for function
|
| 1325 |
|
|
thunks from the second implib to be used but without the
|
| 1326 |
|
|
head/tail objects, causing an improper import table. We detect
|
| 1327 |
|
|
those cases and rename the "other" import libraries to match
|
| 1328 |
|
|
the one the head/tail come from, so that the linker will sort
|
| 1329 |
|
|
things nicely and produce a valid import table. */
|
| 1330 |
|
|
|
| 1331 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1332 |
|
|
{
|
| 1333 |
|
|
if (is->the_bfd->my_archive)
|
| 1334 |
|
|
{
|
| 1335 |
|
|
int idata2 = 0, reloc_count=0, is_imp = 0;
|
| 1336 |
|
|
asection *sec;
|
| 1337 |
|
|
|
| 1338 |
|
|
/* See if this is an import library thunk. */
|
| 1339 |
|
|
for (sec = is->the_bfd->sections; sec; sec = sec->next)
|
| 1340 |
|
|
{
|
| 1341 |
|
|
if (strcmp (sec->name, ".idata\$2") == 0)
|
| 1342 |
|
|
idata2 = 1;
|
| 1343 |
|
|
if (CONST_STRNEQ (sec->name, ".idata\$"))
|
| 1344 |
|
|
is_imp = 1;
|
| 1345 |
|
|
reloc_count += sec->reloc_count;
|
| 1346 |
|
|
}
|
| 1347 |
|
|
|
| 1348 |
|
|
if (is_imp && !idata2 && reloc_count)
|
| 1349 |
|
|
{
|
| 1350 |
|
|
/* It is, look for the reference to head and see if it's
|
| 1351 |
|
|
from our own library. */
|
| 1352 |
|
|
for (sec = is->the_bfd->sections; sec; sec = sec->next)
|
| 1353 |
|
|
{
|
| 1354 |
|
|
int i;
|
| 1355 |
|
|
long relsize;
|
| 1356 |
|
|
asymbol **symbols;
|
| 1357 |
|
|
arelent **relocs;
|
| 1358 |
|
|
int nrelocs;
|
| 1359 |
|
|
|
| 1360 |
|
|
relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
|
| 1361 |
|
|
if (relsize < 1)
|
| 1362 |
|
|
break;
|
| 1363 |
|
|
|
| 1364 |
|
|
if (!bfd_generic_link_read_symbols (is->the_bfd))
|
| 1365 |
|
|
{
|
| 1366 |
|
|
einfo (_("%B%F: could not read symbols: %E\n"),
|
| 1367 |
|
|
is->the_bfd);
|
| 1368 |
|
|
return;
|
| 1369 |
|
|
}
|
| 1370 |
|
|
symbols = bfd_get_outsymbols (is->the_bfd);
|
| 1371 |
|
|
|
| 1372 |
|
|
relocs = xmalloc ((size_t) relsize);
|
| 1373 |
|
|
nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
|
| 1374 |
|
|
relocs, symbols);
|
| 1375 |
|
|
if (nrelocs < 0)
|
| 1376 |
|
|
{
|
| 1377 |
|
|
free (relocs);
|
| 1378 |
|
|
einfo ("%X%P: unable to process relocs: %E\n");
|
| 1379 |
|
|
return;
|
| 1380 |
|
|
}
|
| 1381 |
|
|
|
| 1382 |
|
|
for (i = 0; i < nrelocs; i++)
|
| 1383 |
|
|
{
|
| 1384 |
|
|
struct bfd_symbol *s;
|
| 1385 |
|
|
struct bfd_link_hash_entry * blhe;
|
| 1386 |
|
|
char *other_bfd_filename;
|
| 1387 |
|
|
char *n;
|
| 1388 |
|
|
|
| 1389 |
|
|
s = (relocs[i]->sym_ptr_ptr)[0];
|
| 1390 |
|
|
|
| 1391 |
|
|
if (s->flags & BSF_LOCAL)
|
| 1392 |
|
|
continue;
|
| 1393 |
|
|
|
| 1394 |
|
|
/* Thunk section with reloc to another bfd. */
|
| 1395 |
|
|
blhe = bfd_link_hash_lookup (link_info.hash,
|
| 1396 |
|
|
s->name,
|
| 1397 |
|
|
FALSE, FALSE, TRUE);
|
| 1398 |
|
|
|
| 1399 |
|
|
if (blhe == NULL
|
| 1400 |
|
|
|| blhe->type != bfd_link_hash_defined)
|
| 1401 |
|
|
continue;
|
| 1402 |
|
|
|
| 1403 |
|
|
other_bfd_filename
|
| 1404 |
|
|
= blhe->u.def.section->owner->my_archive
|
| 1405 |
|
|
? bfd_get_filename (blhe->u.def.section->owner->my_archive)
|
| 1406 |
|
|
: bfd_get_filename (blhe->u.def.section->owner);
|
| 1407 |
|
|
|
| 1408 |
|
|
if (filename_cmp (bfd_get_filename
|
| 1409 |
|
|
(is->the_bfd->my_archive),
|
| 1410 |
|
|
other_bfd_filename) == 0)
|
| 1411 |
|
|
continue;
|
| 1412 |
|
|
|
| 1413 |
|
|
/* Rename this implib to match the other one. */
|
| 1414 |
|
|
n = xmalloc (strlen (other_bfd_filename) + 1);
|
| 1415 |
|
|
strcpy (n, other_bfd_filename);
|
| 1416 |
|
|
is->the_bfd->my_archive->filename = n;
|
| 1417 |
|
|
}
|
| 1418 |
|
|
|
| 1419 |
|
|
free (relocs);
|
| 1420 |
|
|
/* Note - we do not free the symbols,
|
| 1421 |
|
|
they are now cached in the BFD. */
|
| 1422 |
|
|
}
|
| 1423 |
|
|
}
|
| 1424 |
|
|
}
|
| 1425 |
|
|
}
|
| 1426 |
|
|
}
|
| 1427 |
|
|
|
| 1428 |
|
|
{
|
| 1429 |
|
|
int is_ms_arch = 0;
|
| 1430 |
|
|
bfd *cur_arch = 0;
|
| 1431 |
|
|
lang_input_statement_type *is2;
|
| 1432 |
|
|
lang_input_statement_type *is3;
|
| 1433 |
|
|
|
| 1434 |
|
|
/* Careful - this is a shell script. Watch those dollar signs! */
|
| 1435 |
|
|
/* Microsoft import libraries have every member named the same,
|
| 1436 |
|
|
and not in the right order for us to link them correctly. We
|
| 1437 |
|
|
must detect these and rename the members so that they'll link
|
| 1438 |
|
|
correctly. There are three types of objects: the head, the
|
| 1439 |
|
|
thunks, and the sentinel(s). The head is easy; it's the one
|
| 1440 |
|
|
with idata2. We assume that the sentinels won't have relocs,
|
| 1441 |
|
|
and the thunks will. It's easier than checking the symbol
|
| 1442 |
|
|
table for external references. */
|
| 1443 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1444 |
|
|
{
|
| 1445 |
|
|
if (is->the_bfd->my_archive)
|
| 1446 |
|
|
{
|
| 1447 |
|
|
char *pnt;
|
| 1448 |
|
|
bfd *arch = is->the_bfd->my_archive;
|
| 1449 |
|
|
|
| 1450 |
|
|
if (cur_arch != arch)
|
| 1451 |
|
|
{
|
| 1452 |
|
|
cur_arch = arch;
|
| 1453 |
|
|
is_ms_arch = 1;
|
| 1454 |
|
|
|
| 1455 |
|
|
for (is3 = is;
|
| 1456 |
|
|
is3 && is3->the_bfd->my_archive == arch;
|
| 1457 |
|
|
is3 = (lang_input_statement_type *) is3->next)
|
| 1458 |
|
|
{
|
| 1459 |
|
|
/* A MS dynamic import library can also contain static
|
| 1460 |
|
|
members, so look for the first element with a .dll
|
| 1461 |
|
|
extension, and use that for the remainder of the
|
| 1462 |
|
|
comparisons. */
|
| 1463 |
|
|
pnt = strrchr (is3->the_bfd->filename, '.');
|
| 1464 |
|
|
if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
|
| 1465 |
|
|
break;
|
| 1466 |
|
|
}
|
| 1467 |
|
|
|
| 1468 |
|
|
if (is3 == NULL)
|
| 1469 |
|
|
is_ms_arch = 0;
|
| 1470 |
|
|
else
|
| 1471 |
|
|
{
|
| 1472 |
|
|
/* OK, found one. Now look to see if the remaining
|
| 1473 |
|
|
(dynamic import) members use the same name. */
|
| 1474 |
|
|
for (is2 = is;
|
| 1475 |
|
|
is2 && is2->the_bfd->my_archive == arch;
|
| 1476 |
|
|
is2 = (lang_input_statement_type *) is2->next)
|
| 1477 |
|
|
{
|
| 1478 |
|
|
/* Skip static members, ie anything with a .obj
|
| 1479 |
|
|
extension. */
|
| 1480 |
|
|
pnt = strrchr (is2->the_bfd->filename, '.');
|
| 1481 |
|
|
if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
|
| 1482 |
|
|
continue;
|
| 1483 |
|
|
|
| 1484 |
|
|
if (filename_cmp (is3->the_bfd->filename,
|
| 1485 |
|
|
is2->the_bfd->filename))
|
| 1486 |
|
|
{
|
| 1487 |
|
|
is_ms_arch = 0;
|
| 1488 |
|
|
break;
|
| 1489 |
|
|
}
|
| 1490 |
|
|
}
|
| 1491 |
|
|
}
|
| 1492 |
|
|
}
|
| 1493 |
|
|
|
| 1494 |
|
|
/* This fragment might have come from an .obj file in a Microsoft
|
| 1495 |
|
|
import, and not an actual import record. If this is the case,
|
| 1496 |
|
|
then leave the filename alone. */
|
| 1497 |
|
|
pnt = strrchr (is->the_bfd->filename, '.');
|
| 1498 |
|
|
|
| 1499 |
|
|
if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
|
| 1500 |
|
|
{
|
| 1501 |
|
|
int idata2 = 0, reloc_count=0;
|
| 1502 |
|
|
asection *sec;
|
| 1503 |
|
|
char *new_name, seq;
|
| 1504 |
|
|
|
| 1505 |
|
|
for (sec = is->the_bfd->sections; sec; sec = sec->next)
|
| 1506 |
|
|
{
|
| 1507 |
|
|
if (strcmp (sec->name, ".idata\$2") == 0)
|
| 1508 |
|
|
idata2 = 1;
|
| 1509 |
|
|
reloc_count += sec->reloc_count;
|
| 1510 |
|
|
}
|
| 1511 |
|
|
|
| 1512 |
|
|
if (idata2) /* .idata2 is the TOC */
|
| 1513 |
|
|
seq = 'a';
|
| 1514 |
|
|
else if (reloc_count > 0) /* thunks */
|
| 1515 |
|
|
seq = 'b';
|
| 1516 |
|
|
else /* sentinel */
|
| 1517 |
|
|
seq = 'c';
|
| 1518 |
|
|
|
| 1519 |
|
|
new_name = xmalloc (strlen (is->the_bfd->filename) + 3);
|
| 1520 |
|
|
sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
|
| 1521 |
|
|
is->the_bfd->filename = new_name;
|
| 1522 |
|
|
|
| 1523 |
|
|
new_name = xmalloc (strlen (is->filename) + 3);
|
| 1524 |
|
|
sprintf (new_name, "%s.%c", is->filename, seq);
|
| 1525 |
|
|
is->filename = new_name;
|
| 1526 |
|
|
}
|
| 1527 |
|
|
}
|
| 1528 |
|
|
}
|
| 1529 |
|
|
}
|
| 1530 |
|
|
|
| 1531 |
|
|
{
|
| 1532 |
|
|
/* The following chunk of code tries to identify jump stubs in
|
| 1533 |
|
|
import libraries which are dead code and eliminates them
|
| 1534 |
|
|
from the final link. For each exported symbol , there
|
| 1535 |
|
|
is a object file in the import library with a .text section
|
| 1536 |
|
|
and several .idata\$* sections. The .text section contains the
|
| 1537 |
|
|
symbol definition for which is a jump stub of the form
|
| 1538 |
|
|
jmp *__imp_. The .idata\$5 contains the symbol definition
|
| 1539 |
|
|
for __imp_ which is the address of the slot for in
|
| 1540 |
|
|
the import address table. When a symbol is imported explicitly
|
| 1541 |
|
|
using __declspec(dllimport) declaration, the compiler generates
|
| 1542 |
|
|
a reference to __imp_ which directly resolves to the
|
| 1543 |
|
|
symbol in .idata\$5, in which case the jump stub code is not
|
| 1544 |
|
|
needed. The following code tries to identify jump stub sections
|
| 1545 |
|
|
in import libraries which are not referred to by anyone and
|
| 1546 |
|
|
marks them for exclusion from the final link. */
|
| 1547 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1548 |
|
|
{
|
| 1549 |
|
|
if (is->the_bfd->my_archive)
|
| 1550 |
|
|
{
|
| 1551 |
|
|
int is_imp = 0;
|
| 1552 |
|
|
asection *sec, *stub_sec = NULL;
|
| 1553 |
|
|
|
| 1554 |
|
|
/* See if this is an import library thunk. */
|
| 1555 |
|
|
for (sec = is->the_bfd->sections; sec; sec = sec->next)
|
| 1556 |
|
|
{
|
| 1557 |
|
|
if (strncmp (sec->name, ".idata\$", 7) == 0)
|
| 1558 |
|
|
is_imp = 1;
|
| 1559 |
|
|
/* The section containing the jmp stub has code
|
| 1560 |
|
|
and has a reloc. */
|
| 1561 |
|
|
if ((sec->flags & SEC_CODE) && sec->reloc_count)
|
| 1562 |
|
|
stub_sec = sec;
|
| 1563 |
|
|
}
|
| 1564 |
|
|
|
| 1565 |
|
|
if (is_imp && stub_sec)
|
| 1566 |
|
|
{
|
| 1567 |
|
|
asymbol **symbols;
|
| 1568 |
|
|
long nsyms, src_count;
|
| 1569 |
|
|
struct bfd_link_hash_entry * blhe;
|
| 1570 |
|
|
|
| 1571 |
|
|
if (!bfd_generic_link_read_symbols (is->the_bfd))
|
| 1572 |
|
|
{
|
| 1573 |
|
|
einfo (_("%B%F: could not read symbols: %E\n"),
|
| 1574 |
|
|
is->the_bfd);
|
| 1575 |
|
|
return;
|
| 1576 |
|
|
}
|
| 1577 |
|
|
symbols = bfd_get_outsymbols (is->the_bfd);
|
| 1578 |
|
|
nsyms = bfd_get_symcount (is->the_bfd);
|
| 1579 |
|
|
|
| 1580 |
|
|
for (src_count = 0; src_count < nsyms; src_count++)
|
| 1581 |
|
|
{
|
| 1582 |
|
|
if (symbols[src_count]->section->id == stub_sec->id)
|
| 1583 |
|
|
{
|
| 1584 |
|
|
/* This symbol belongs to the section containing
|
| 1585 |
|
|
the stub. */
|
| 1586 |
|
|
blhe = bfd_link_hash_lookup (link_info.hash,
|
| 1587 |
|
|
symbols[src_count]->name,
|
| 1588 |
|
|
FALSE, FALSE, TRUE);
|
| 1589 |
|
|
/* If the symbol in the stub section has no other
|
| 1590 |
|
|
undefined references, exclude the stub section
|
| 1591 |
|
|
from the final link. */
|
| 1592 |
|
|
if (blhe != NULL
|
| 1593 |
|
|
&& blhe->type == bfd_link_hash_defined
|
| 1594 |
|
|
&& blhe->u.undef.next == NULL
|
| 1595 |
|
|
&& blhe != link_info.hash->undefs_tail)
|
| 1596 |
|
|
stub_sec->flags |= SEC_EXCLUDE;
|
| 1597 |
|
|
}
|
| 1598 |
|
|
}
|
| 1599 |
|
|
}
|
| 1600 |
|
|
}
|
| 1601 |
|
|
}
|
| 1602 |
|
|
}
|
| 1603 |
|
|
}
|
| 1604 |
|
|
|
| 1605 |
|
|
static void
|
| 1606 |
|
|
gld_${EMULATION_NAME}_before_allocation (void)
|
| 1607 |
|
|
{
|
| 1608 |
|
|
#ifdef TARGET_IS_ppcpe
|
| 1609 |
|
|
/* Here we rummage through the found bfds to collect toc information. */
|
| 1610 |
|
|
{
|
| 1611 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1612 |
|
|
{
|
| 1613 |
|
|
if (!ppc_process_before_allocation (is->the_bfd, &link_info))
|
| 1614 |
|
|
{
|
| 1615 |
|
|
/* xgettext:c-format */
|
| 1616 |
|
|
einfo (_("Errors encountered processing file %s\n"), is->filename);
|
| 1617 |
|
|
}
|
| 1618 |
|
|
}
|
| 1619 |
|
|
}
|
| 1620 |
|
|
|
| 1621 |
|
|
/* We have seen it all. Allocate it, and carry on. */
|
| 1622 |
|
|
ppc_allocate_toc_section (&link_info);
|
| 1623 |
|
|
#endif /* TARGET_IS_ppcpe */
|
| 1624 |
|
|
|
| 1625 |
|
|
#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
|
| 1626 |
|
|
/* FIXME: we should be able to set the size of the interworking stub
|
| 1627 |
|
|
section.
|
| 1628 |
|
|
|
| 1629 |
|
|
Here we rummage through the found bfds to collect glue
|
| 1630 |
|
|
information. FIXME: should this be based on a command line
|
| 1631 |
|
|
option? krk@cygnus.com. */
|
| 1632 |
|
|
{
|
| 1633 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 1634 |
|
|
{
|
| 1635 |
|
|
if (! bfd_arm_process_before_allocation
|
| 1636 |
|
|
(is->the_bfd, & link_info, support_old_code))
|
| 1637 |
|
|
{
|
| 1638 |
|
|
/* xgettext:c-format */
|
| 1639 |
|
|
einfo (_("Errors encountered processing file %s for interworking\n"),
|
| 1640 |
|
|
is->filename);
|
| 1641 |
|
|
}
|
| 1642 |
|
|
}
|
| 1643 |
|
|
}
|
| 1644 |
|
|
|
| 1645 |
|
|
/* We have seen it all. Allocate it, and carry on. */
|
| 1646 |
|
|
bfd_arm_allocate_interworking_sections (& link_info);
|
| 1647 |
|
|
#endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
|
| 1648 |
|
|
|
| 1649 |
|
|
before_allocation_default ();
|
| 1650 |
|
|
}
|
| 1651 |
|
|
|
| 1652 |
|
|
#ifdef DLL_SUPPORT
|
| 1653 |
|
|
/* This is called when an input file isn't recognized as a BFD. We
|
| 1654 |
|
|
check here for .DEF files and pull them in automatically. */
|
| 1655 |
|
|
|
| 1656 |
|
|
static int
|
| 1657 |
|
|
saw_option (char *option)
|
| 1658 |
|
|
{
|
| 1659 |
|
|
int i;
|
| 1660 |
|
|
|
| 1661 |
|
|
for (i = 0; init[i].ptr; i++)
|
| 1662 |
|
|
if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
|
| 1663 |
|
|
return init[i].inited;
|
| 1664 |
|
|
return 0;
|
| 1665 |
|
|
}
|
| 1666 |
|
|
#endif /* DLL_SUPPORT */
|
| 1667 |
|
|
|
| 1668 |
|
|
static bfd_boolean
|
| 1669 |
|
|
gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
|
| 1670 |
|
|
{
|
| 1671 |
|
|
#ifdef DLL_SUPPORT
|
| 1672 |
|
|
const char *ext = entry->filename + strlen (entry->filename) - 4;
|
| 1673 |
|
|
|
| 1674 |
|
|
if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
|
| 1675 |
|
|
{
|
| 1676 |
|
|
pe_def_file = def_file_parse (entry->filename, pe_def_file);
|
| 1677 |
|
|
|
| 1678 |
|
|
if (pe_def_file)
|
| 1679 |
|
|
{
|
| 1680 |
|
|
int i, buflen=0, len;
|
| 1681 |
|
|
char *buf;
|
| 1682 |
|
|
|
| 1683 |
|
|
for (i = 0; i < pe_def_file->num_exports; i++)
|
| 1684 |
|
|
{
|
| 1685 |
|
|
len = strlen (pe_def_file->exports[i].internal_name);
|
| 1686 |
|
|
if (buflen < len + 2)
|
| 1687 |
|
|
buflen = len + 2;
|
| 1688 |
|
|
}
|
| 1689 |
|
|
|
| 1690 |
|
|
buf = xmalloc (buflen);
|
| 1691 |
|
|
|
| 1692 |
|
|
for (i = 0; i < pe_def_file->num_exports; i++)
|
| 1693 |
|
|
{
|
| 1694 |
|
|
struct bfd_link_hash_entry *h;
|
| 1695 |
|
|
|
| 1696 |
|
|
sprintf (buf, "%s%s", U (""),
|
| 1697 |
|
|
pe_def_file->exports[i].internal_name);
|
| 1698 |
|
|
|
| 1699 |
|
|
h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
|
| 1700 |
|
|
if (h == (struct bfd_link_hash_entry *) NULL)
|
| 1701 |
|
|
einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
|
| 1702 |
|
|
if (h->type == bfd_link_hash_new)
|
| 1703 |
|
|
{
|
| 1704 |
|
|
h->type = bfd_link_hash_undefined;
|
| 1705 |
|
|
h->u.undef.abfd = NULL;
|
| 1706 |
|
|
bfd_link_add_undef (link_info.hash, h);
|
| 1707 |
|
|
}
|
| 1708 |
|
|
}
|
| 1709 |
|
|
free (buf);
|
| 1710 |
|
|
|
| 1711 |
|
|
/* def_file_print (stdout, pe_def_file); */
|
| 1712 |
|
|
if (pe_def_file->is_dll == 1)
|
| 1713 |
|
|
link_info.shared = 1;
|
| 1714 |
|
|
|
| 1715 |
|
|
if (pe_def_file->base_address != (bfd_vma)(-1))
|
| 1716 |
|
|
{
|
| 1717 |
|
|
pe.ImageBase
|
| 1718 |
|
|
= pe_data (link_info.output_bfd)->pe_opthdr.ImageBase
|
| 1719 |
|
|
= init[IMAGEBASEOFF].value
|
| 1720 |
|
|
= pe_def_file->base_address;
|
| 1721 |
|
|
init[IMAGEBASEOFF].inited = 1;
|
| 1722 |
|
|
if (image_base_statement)
|
| 1723 |
|
|
image_base_statement->exp = exp_assign ("__image_base__",
|
| 1724 |
|
|
exp_intop (pe.ImageBase));
|
| 1725 |
|
|
}
|
| 1726 |
|
|
|
| 1727 |
|
|
if (pe_def_file->stack_reserve != -1
|
| 1728 |
|
|
&& ! saw_option ("__size_of_stack_reserve__"))
|
| 1729 |
|
|
{
|
| 1730 |
|
|
pe.SizeOfStackReserve = pe_def_file->stack_reserve;
|
| 1731 |
|
|
if (pe_def_file->stack_commit != -1)
|
| 1732 |
|
|
pe.SizeOfStackCommit = pe_def_file->stack_commit;
|
| 1733 |
|
|
}
|
| 1734 |
|
|
if (pe_def_file->heap_reserve != -1
|
| 1735 |
|
|
&& ! saw_option ("__size_of_heap_reserve__"))
|
| 1736 |
|
|
{
|
| 1737 |
|
|
pe.SizeOfHeapReserve = pe_def_file->heap_reserve;
|
| 1738 |
|
|
if (pe_def_file->heap_commit != -1)
|
| 1739 |
|
|
pe.SizeOfHeapCommit = pe_def_file->heap_commit;
|
| 1740 |
|
|
}
|
| 1741 |
|
|
return TRUE;
|
| 1742 |
|
|
}
|
| 1743 |
|
|
}
|
| 1744 |
|
|
#endif
|
| 1745 |
|
|
return FALSE;
|
| 1746 |
|
|
}
|
| 1747 |
|
|
|
| 1748 |
|
|
static bfd_boolean
|
| 1749 |
|
|
gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
|
| 1750 |
|
|
{
|
| 1751 |
|
|
#ifdef DLL_SUPPORT
|
| 1752 |
|
|
#ifdef TARGET_IS_i386pe
|
| 1753 |
|
|
pe_dll_id_target ("pei-i386");
|
| 1754 |
|
|
#endif
|
| 1755 |
|
|
#ifdef TARGET_IS_shpe
|
| 1756 |
|
|
pe_dll_id_target ("pei-shl");
|
| 1757 |
|
|
#endif
|
| 1758 |
|
|
#ifdef TARGET_IS_mipspe
|
| 1759 |
|
|
pe_dll_id_target ("pei-mips");
|
| 1760 |
|
|
#endif
|
| 1761 |
|
|
#ifdef TARGET_IS_armpe
|
| 1762 |
|
|
pe_dll_id_target ("pei-arm-little");
|
| 1763 |
|
|
#endif
|
| 1764 |
|
|
#ifdef TARGET_IS_arm_epoc_pe
|
| 1765 |
|
|
pe_dll_id_target ("epoc-pei-arm-little");
|
| 1766 |
|
|
#endif
|
| 1767 |
|
|
#ifdef TARGET_IS_arm_wince_pe
|
| 1768 |
|
|
pe_dll_id_target ("pei-arm-wince-little");
|
| 1769 |
|
|
#endif
|
| 1770 |
|
|
if (pe_bfd_is_dll (entry->the_bfd))
|
| 1771 |
|
|
return pe_implied_import_dll (entry->filename);
|
| 1772 |
|
|
#endif
|
| 1773 |
|
|
return FALSE;
|
| 1774 |
|
|
}
|
| 1775 |
|
|
|
| 1776 |
|
|
static void
|
| 1777 |
|
|
gld_${EMULATION_NAME}_finish (void)
|
| 1778 |
|
|
{
|
| 1779 |
|
|
#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
|
| 1780 |
|
|
struct bfd_link_hash_entry * h;
|
| 1781 |
|
|
|
| 1782 |
|
|
if (thumb_entry_symbol != NULL)
|
| 1783 |
|
|
{
|
| 1784 |
|
|
h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
|
| 1785 |
|
|
FALSE, FALSE, TRUE);
|
| 1786 |
|
|
|
| 1787 |
|
|
if (h != (struct bfd_link_hash_entry *) NULL
|
| 1788 |
|
|
&& (h->type == bfd_link_hash_defined
|
| 1789 |
|
|
|| h->type == bfd_link_hash_defweak)
|
| 1790 |
|
|
&& h->u.def.section->output_section != NULL)
|
| 1791 |
|
|
{
|
| 1792 |
|
|
static char buffer[32];
|
| 1793 |
|
|
bfd_vma val;
|
| 1794 |
|
|
|
| 1795 |
|
|
/* Special procesing is required for a Thumb entry symbol. The
|
| 1796 |
|
|
bottom bit of its address must be set. */
|
| 1797 |
|
|
val = (h->u.def.value
|
| 1798 |
|
|
+ bfd_get_section_vma (link_info.output_bfd,
|
| 1799 |
|
|
h->u.def.section->output_section)
|
| 1800 |
|
|
+ h->u.def.section->output_offset);
|
| 1801 |
|
|
|
| 1802 |
|
|
val |= 1;
|
| 1803 |
|
|
|
| 1804 |
|
|
/* Now convert this value into a string and store it in entry_symbol
|
| 1805 |
|
|
where the lang_finish() function will pick it up. */
|
| 1806 |
|
|
buffer[0] = '0';
|
| 1807 |
|
|
buffer[1] = 'x';
|
| 1808 |
|
|
|
| 1809 |
|
|
sprintf_vma (buffer + 2, val);
|
| 1810 |
|
|
|
| 1811 |
|
|
if (entry_symbol.name != NULL && entry_from_cmdline)
|
| 1812 |
|
|
einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
|
| 1813 |
|
|
thumb_entry_symbol, entry_symbol.name);
|
| 1814 |
|
|
entry_symbol.name = buffer;
|
| 1815 |
|
|
}
|
| 1816 |
|
|
else
|
| 1817 |
|
|
einfo (_("%P: warning: cannot find thumb start symbol %s\n"), thumb_entry_symbol);
|
| 1818 |
|
|
}
|
| 1819 |
|
|
#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
|
| 1820 |
|
|
|
| 1821 |
|
|
finish_default ();
|
| 1822 |
|
|
|
| 1823 |
|
|
#ifdef DLL_SUPPORT
|
| 1824 |
|
|
if (link_info.shared
|
| 1825 |
|
|
#if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
|
| 1826 |
|
|
|| (!link_info.relocatable && pe_def_file->num_exports != 0)
|
| 1827 |
|
|
#endif
|
| 1828 |
|
|
)
|
| 1829 |
|
|
{
|
| 1830 |
|
|
pe_dll_fill_sections (link_info.output_bfd, &link_info);
|
| 1831 |
|
|
if (pe_implib_filename)
|
| 1832 |
|
|
pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
|
| 1833 |
|
|
}
|
| 1834 |
|
|
#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
|
| 1835 |
|
|
/* ARM doesn't need relocs. */
|
| 1836 |
|
|
else
|
| 1837 |
|
|
{
|
| 1838 |
|
|
pe_exe_fill_sections (link_info.output_bfd, &link_info);
|
| 1839 |
|
|
}
|
| 1840 |
|
|
#endif
|
| 1841 |
|
|
|
| 1842 |
|
|
if (pe_out_def_filename)
|
| 1843 |
|
|
pe_dll_generate_def_file (pe_out_def_filename);
|
| 1844 |
|
|
#endif /* DLL_SUPPORT */
|
| 1845 |
|
|
|
| 1846 |
|
|
/* I don't know where .idata gets set as code, but it shouldn't be. */
|
| 1847 |
|
|
{
|
| 1848 |
|
|
asection *asec = bfd_get_section_by_name (link_info.output_bfd, ".idata");
|
| 1849 |
|
|
|
| 1850 |
|
|
if (asec)
|
| 1851 |
|
|
{
|
| 1852 |
|
|
asec->flags &= ~SEC_CODE;
|
| 1853 |
|
|
asec->flags |= SEC_DATA;
|
| 1854 |
|
|
}
|
| 1855 |
|
|
}
|
| 1856 |
|
|
}
|
| 1857 |
|
|
|
| 1858 |
|
|
|
| 1859 |
|
|
/* Place an orphan section.
|
| 1860 |
|
|
|
| 1861 |
|
|
We use this to put sections in a reasonable place in the file, and
|
| 1862 |
|
|
to ensure that they are aligned as required.
|
| 1863 |
|
|
|
| 1864 |
|
|
We handle grouped sections here as well. A section named .foo\$nn
|
| 1865 |
|
|
goes into the output section .foo. All grouped sections are sorted
|
| 1866 |
|
|
by name.
|
| 1867 |
|
|
|
| 1868 |
|
|
Grouped sections for the default sections are handled by the
|
| 1869 |
|
|
default linker script using wildcards, and are sorted by
|
| 1870 |
|
|
sort_sections. */
|
| 1871 |
|
|
|
| 1872 |
|
|
static lang_output_section_statement_type *
|
| 1873 |
|
|
gld_${EMULATION_NAME}_place_orphan (asection *s,
|
| 1874 |
|
|
const char *secname,
|
| 1875 |
|
|
int constraint)
|
| 1876 |
|
|
{
|
| 1877 |
|
|
const char *orig_secname = secname;
|
| 1878 |
|
|
char *dollar = NULL;
|
| 1879 |
|
|
lang_output_section_statement_type *os;
|
| 1880 |
|
|
lang_statement_list_type add_child;
|
| 1881 |
|
|
lang_output_section_statement_type *match_by_name = NULL;
|
| 1882 |
|
|
lang_statement_union_type **pl;
|
| 1883 |
|
|
|
| 1884 |
|
|
/* Look through the script to see where to place this section. */
|
| 1885 |
|
|
if (!link_info.relocatable
|
| 1886 |
|
|
&& (dollar = strchr (secname, '\$')) != NULL)
|
| 1887 |
|
|
{
|
| 1888 |
|
|
size_t len = dollar - secname;
|
| 1889 |
|
|
char *newname = xmalloc (len + 1);
|
| 1890 |
|
|
memcpy (newname, secname, len);
|
| 1891 |
|
|
newname[len] = '\0';
|
| 1892 |
|
|
secname = newname;
|
| 1893 |
|
|
}
|
| 1894 |
|
|
|
| 1895 |
|
|
lang_list_init (&add_child);
|
| 1896 |
|
|
|
| 1897 |
|
|
os = NULL;
|
| 1898 |
|
|
if (constraint == 0)
|
| 1899 |
|
|
for (os = lang_output_section_find (secname);
|
| 1900 |
|
|
os != NULL;
|
| 1901 |
|
|
os = next_matching_output_section_statement (os, 0))
|
| 1902 |
|
|
{
|
| 1903 |
|
|
/* If we don't match an existing output section, tell
|
| 1904 |
|
|
lang_insert_orphan to create a new output section. */
|
| 1905 |
|
|
constraint = SPECIAL;
|
| 1906 |
|
|
|
| 1907 |
|
|
if (os->bfd_section != NULL
|
| 1908 |
|
|
&& (os->bfd_section->flags == 0
|
| 1909 |
|
|
|| ((s->flags ^ os->bfd_section->flags)
|
| 1910 |
|
|
& (SEC_LOAD | SEC_ALLOC)) == 0))
|
| 1911 |
|
|
{
|
| 1912 |
|
|
/* We already have an output section statement with this
|
| 1913 |
|
|
name, and its bfd section has compatible flags.
|
| 1914 |
|
|
If the section already exists but does not have any flags set,
|
| 1915 |
|
|
then it has been created by the linker, probably as a result of
|
| 1916 |
|
|
a --section-start command line switch. */
|
| 1917 |
|
|
lang_add_section (&add_child, s, os);
|
| 1918 |
|
|
break;
|
| 1919 |
|
|
}
|
| 1920 |
|
|
|
| 1921 |
|
|
/* Save unused output sections in case we can match them
|
| 1922 |
|
|
against orphans later. */
|
| 1923 |
|
|
if (os->bfd_section == NULL)
|
| 1924 |
|
|
match_by_name = os;
|
| 1925 |
|
|
}
|
| 1926 |
|
|
|
| 1927 |
|
|
/* If we didn't match an active output section, see if we matched an
|
| 1928 |
|
|
unused one and use that. */
|
| 1929 |
|
|
if (os == NULL && match_by_name)
|
| 1930 |
|
|
{
|
| 1931 |
|
|
lang_add_section (&match_by_name->children, s, match_by_name);
|
| 1932 |
|
|
return match_by_name;
|
| 1933 |
|
|
}
|
| 1934 |
|
|
|
| 1935 |
|
|
if (os == NULL)
|
| 1936 |
|
|
{
|
| 1937 |
|
|
static struct orphan_save hold[] =
|
| 1938 |
|
|
{
|
| 1939 |
|
|
{ ".text",
|
| 1940 |
|
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
|
| 1941 |
|
|
0, 0, 0, 0 },
|
| 1942 |
|
|
{ ".idata",
|
| 1943 |
|
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
| 1944 |
|
|
0, 0, 0, 0 },
|
| 1945 |
|
|
{ ".rdata",
|
| 1946 |
|
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
| 1947 |
|
|
0, 0, 0, 0 },
|
| 1948 |
|
|
{ ".data",
|
| 1949 |
|
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
|
| 1950 |
|
|
0, 0, 0, 0 },
|
| 1951 |
|
|
{ ".bss",
|
| 1952 |
|
|
SEC_ALLOC,
|
| 1953 |
|
|
0, 0, 0, 0 }
|
| 1954 |
|
|
};
|
| 1955 |
|
|
enum orphan_save_index
|
| 1956 |
|
|
{
|
| 1957 |
|
|
orphan_text = 0,
|
| 1958 |
|
|
orphan_idata,
|
| 1959 |
|
|
orphan_rodata,
|
| 1960 |
|
|
orphan_data,
|
| 1961 |
|
|
orphan_bss
|
| 1962 |
|
|
};
|
| 1963 |
|
|
static int orphan_init_done = 0;
|
| 1964 |
|
|
struct orphan_save *place;
|
| 1965 |
|
|
lang_output_section_statement_type *after;
|
| 1966 |
|
|
etree_type *address;
|
| 1967 |
|
|
|
| 1968 |
|
|
if (!orphan_init_done)
|
| 1969 |
|
|
{
|
| 1970 |
|
|
struct orphan_save *ho;
|
| 1971 |
|
|
for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
|
| 1972 |
|
|
if (ho->name != NULL)
|
| 1973 |
|
|
{
|
| 1974 |
|
|
ho->os = lang_output_section_find (ho->name);
|
| 1975 |
|
|
if (ho->os != NULL && ho->os->flags == 0)
|
| 1976 |
|
|
ho->os->flags = ho->flags;
|
| 1977 |
|
|
}
|
| 1978 |
|
|
orphan_init_done = 1;
|
| 1979 |
|
|
}
|
| 1980 |
|
|
|
| 1981 |
|
|
/* Try to put the new output section in a reasonable place based
|
| 1982 |
|
|
on the section name and section flags. */
|
| 1983 |
|
|
|
| 1984 |
|
|
place = NULL;
|
| 1985 |
|
|
if ((s->flags & SEC_ALLOC) == 0)
|
| 1986 |
|
|
;
|
| 1987 |
|
|
else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
|
| 1988 |
|
|
place = &hold[orphan_bss];
|
| 1989 |
|
|
else if ((s->flags & SEC_READONLY) == 0)
|
| 1990 |
|
|
place = &hold[orphan_data];
|
| 1991 |
|
|
else if ((s->flags & SEC_CODE) == 0)
|
| 1992 |
|
|
{
|
| 1993 |
|
|
place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
|
| 1994 |
|
|
: &hold[orphan_rodata]);
|
| 1995 |
|
|
}
|
| 1996 |
|
|
else
|
| 1997 |
|
|
place = &hold[orphan_text];
|
| 1998 |
|
|
|
| 1999 |
|
|
after = NULL;
|
| 2000 |
|
|
if (place != NULL)
|
| 2001 |
|
|
{
|
| 2002 |
|
|
if (place->os == NULL)
|
| 2003 |
|
|
place->os = lang_output_section_find (place->name);
|
| 2004 |
|
|
after = place->os;
|
| 2005 |
|
|
if (after == NULL)
|
| 2006 |
|
|
after = lang_output_section_find_by_flags (s, &place->os, NULL);
|
| 2007 |
|
|
if (after == NULL)
|
| 2008 |
|
|
/* *ABS* is always the first output section statement. */
|
| 2009 |
|
|
after = (&lang_output_section_statement.head
|
| 2010 |
|
|
->output_section_statement);
|
| 2011 |
|
|
}
|
| 2012 |
|
|
|
| 2013 |
|
|
/* All sections in an executable must be aligned to a page boundary.
|
| 2014 |
|
|
In a relocatable link, just preserve the incoming alignment; the
|
| 2015 |
|
|
address is discarded by lang_insert_orphan in that case, anyway. */
|
| 2016 |
|
|
address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
|
| 2017 |
|
|
os = lang_insert_orphan (s, secname, constraint, after, place, address,
|
| 2018 |
|
|
&add_child);
|
| 2019 |
|
|
if (link_info.relocatable)
|
| 2020 |
|
|
{
|
| 2021 |
|
|
os->section_alignment = s->alignment_power;
|
| 2022 |
|
|
os->bfd_section->alignment_power = s->alignment_power;
|
| 2023 |
|
|
}
|
| 2024 |
|
|
}
|
| 2025 |
|
|
|
| 2026 |
|
|
/* If the section name has a '\$', sort it with the other '\$'
|
| 2027 |
|
|
sections. */
|
| 2028 |
|
|
for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
|
| 2029 |
|
|
{
|
| 2030 |
|
|
lang_input_section_type *ls;
|
| 2031 |
|
|
const char *lname;
|
| 2032 |
|
|
|
| 2033 |
|
|
if ((*pl)->header.type != lang_input_section_enum)
|
| 2034 |
|
|
continue;
|
| 2035 |
|
|
|
| 2036 |
|
|
ls = &(*pl)->input_section;
|
| 2037 |
|
|
|
| 2038 |
|
|
lname = bfd_get_section_name (ls->section->owner, ls->section);
|
| 2039 |
|
|
if (strchr (lname, '\$') != NULL
|
| 2040 |
|
|
&& (dollar == NULL || strcmp (orig_secname, lname) < 0))
|
| 2041 |
|
|
break;
|
| 2042 |
|
|
}
|
| 2043 |
|
|
|
| 2044 |
|
|
if (add_child.head != NULL)
|
| 2045 |
|
|
{
|
| 2046 |
|
|
*add_child.tail = *pl;
|
| 2047 |
|
|
*pl = add_child.head;
|
| 2048 |
|
|
}
|
| 2049 |
|
|
|
| 2050 |
|
|
return os;
|
| 2051 |
|
|
}
|
| 2052 |
|
|
|
| 2053 |
|
|
static bfd_boolean
|
| 2054 |
|
|
gld_${EMULATION_NAME}_open_dynamic_archive
|
| 2055 |
|
|
(const char *arch ATTRIBUTE_UNUSED,
|
| 2056 |
|
|
search_dirs_type *search,
|
| 2057 |
|
|
lang_input_statement_type *entry)
|
| 2058 |
|
|
{
|
| 2059 |
|
|
static const struct
|
| 2060 |
|
|
{
|
| 2061 |
|
|
const char * format;
|
| 2062 |
|
|
bfd_boolean use_prefix;
|
| 2063 |
|
|
}
|
| 2064 |
|
|
libname_fmt [] =
|
| 2065 |
|
|
{
|
| 2066 |
|
|
/* Preferred explicit import library for dll's. */
|
| 2067 |
|
|
{ "lib%s.dll.a", FALSE },
|
| 2068 |
|
|
/* Alternate explicit import library for dll's. */
|
| 2069 |
|
|
{ "%s.dll.a", FALSE },
|
| 2070 |
|
|
/* "libfoo.a" could be either an import lib or a static lib.
|
| 2071 |
|
|
For backwards compatibility, libfoo.a needs to precede
|
| 2072 |
|
|
libfoo.dll and foo.dll in the search. */
|
| 2073 |
|
|
{ "lib%s.a", FALSE },
|
| 2074 |
|
|
/* The 'native' spelling of an import lib name is "foo.lib". */
|
| 2075 |
|
|
{ "%s.lib", FALSE },
|
| 2076 |
|
|
#ifdef DLL_SUPPORT
|
| 2077 |
|
|
/* Try "foo.dll" (preferred dll name, if specified). */
|
| 2078 |
|
|
{ "%s%s.dll", TRUE },
|
| 2079 |
|
|
#endif
|
| 2080 |
|
|
/* Try "libfoo.dll" (default preferred dll name). */
|
| 2081 |
|
|
{ "lib%s.dll", FALSE },
|
| 2082 |
|
|
/* Finally try 'native' dll name "foo.dll". */
|
| 2083 |
|
|
{ "%s.dll", FALSE },
|
| 2084 |
|
|
/* Note: If adding more formats to this table, make sure to check to
|
| 2085 |
|
|
see if their length is longer than libname_fmt[0].format, and if
|
| 2086 |
|
|
so, update the call to xmalloc() below. */
|
| 2087 |
|
|
{ NULL, FALSE }
|
| 2088 |
|
|
};
|
| 2089 |
|
|
static unsigned int format_max_len = 0;
|
| 2090 |
|
|
const char * filename;
|
| 2091 |
|
|
char * full_string;
|
| 2092 |
|
|
char * base_string;
|
| 2093 |
|
|
unsigned int i;
|
| 2094 |
|
|
|
| 2095 |
|
|
|
| 2096 |
|
|
if (! entry->maybe_archive)
|
| 2097 |
|
|
return FALSE;
|
| 2098 |
|
|
|
| 2099 |
|
|
filename = entry->filename;
|
| 2100 |
|
|
|
| 2101 |
|
|
if (format_max_len == 0)
|
| 2102 |
|
|
/* We need to allow space in the memory that we are going to allocate
|
| 2103 |
|
|
for the characters in the format string. Since the format array is
|
| 2104 |
|
|
static we only need to calculate this information once. In theory
|
| 2105 |
|
|
this value could also be computed statically, but this introduces
|
| 2106 |
|
|
the possibility for a discrepancy and hence a possible memory
|
| 2107 |
|
|
corruption. The lengths we compute here will be too long because
|
| 2108 |
|
|
they will include any formating characters (%s) in the strings, but
|
| 2109 |
|
|
this will not matter. */
|
| 2110 |
|
|
for (i = 0; libname_fmt[i].format; i++)
|
| 2111 |
|
|
if (format_max_len < strlen (libname_fmt[i].format))
|
| 2112 |
|
|
format_max_len = strlen (libname_fmt[i].format);
|
| 2113 |
|
|
|
| 2114 |
|
|
full_string = xmalloc (strlen (search->name)
|
| 2115 |
|
|
+ strlen (filename)
|
| 2116 |
|
|
+ format_max_len
|
| 2117 |
|
|
#ifdef DLL_SUPPORT
|
| 2118 |
|
|
+ (pe_dll_search_prefix
|
| 2119 |
|
|
? strlen (pe_dll_search_prefix) : 0)
|
| 2120 |
|
|
#endif
|
| 2121 |
|
|
/* Allow for the terminating NUL and for the path
|
| 2122 |
|
|
separator character that is inserted between
|
| 2123 |
|
|
search->name and the start of the format string. */
|
| 2124 |
|
|
+ 2);
|
| 2125 |
|
|
|
| 2126 |
|
|
sprintf (full_string, "%s/", search->name);
|
| 2127 |
|
|
base_string = full_string + strlen (full_string);
|
| 2128 |
|
|
|
| 2129 |
|
|
for (i = 0; libname_fmt[i].format; i++)
|
| 2130 |
|
|
{
|
| 2131 |
|
|
#ifdef DLL_SUPPORT
|
| 2132 |
|
|
if (libname_fmt[i].use_prefix)
|
| 2133 |
|
|
{
|
| 2134 |
|
|
if (!pe_dll_search_prefix)
|
| 2135 |
|
|
continue;
|
| 2136 |
|
|
sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
|
| 2137 |
|
|
}
|
| 2138 |
|
|
else
|
| 2139 |
|
|
#endif
|
| 2140 |
|
|
sprintf (base_string, libname_fmt[i].format, filename);
|
| 2141 |
|
|
|
| 2142 |
|
|
if (ldfile_try_open_bfd (full_string, entry))
|
| 2143 |
|
|
break;
|
| 2144 |
|
|
}
|
| 2145 |
|
|
|
| 2146 |
|
|
if (!libname_fmt[i].format)
|
| 2147 |
|
|
{
|
| 2148 |
|
|
free (full_string);
|
| 2149 |
|
|
return FALSE;
|
| 2150 |
|
|
}
|
| 2151 |
|
|
|
| 2152 |
|
|
entry->filename = full_string;
|
| 2153 |
|
|
|
| 2154 |
|
|
return TRUE;
|
| 2155 |
|
|
}
|
| 2156 |
|
|
|
| 2157 |
|
|
static int
|
| 2158 |
|
|
gld_${EMULATION_NAME}_find_potential_libraries
|
| 2159 |
|
|
(char *name, lang_input_statement_type *entry)
|
| 2160 |
|
|
{
|
| 2161 |
|
|
return ldfile_open_file_search (name, entry, "", ".lib");
|
| 2162 |
|
|
}
|
| 2163 |
|
|
|
| 2164 |
|
|
static char *
|
| 2165 |
|
|
gld_${EMULATION_NAME}_get_script (int *isfile)
|
| 2166 |
|
|
EOF
|
| 2167 |
|
|
# Scripts compiled in.
|
| 2168 |
|
|
# sed commands to quote an ld script as a C string.
|
| 2169 |
|
|
sc="-f stringify.sed"
|
| 2170 |
|
|
|
| 2171 |
|
|
fragment <
|
| 2172 |
|
|
{
|
| 2173 |
|
|
*isfile = 0;
|
| 2174 |
|
|
|
| 2175 |
|
|
if (link_info.relocatable && config.build_constructors)
|
| 2176 |
|
|
return
|
| 2177 |
|
|
EOF
|
| 2178 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
| 2179 |
|
|
echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
|
| 2180 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
|
| 2181 |
|
|
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
|
| 2182 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
|
| 2183 |
|
|
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
|
| 2184 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
|
| 2185 |
|
|
if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
|
| 2186 |
|
|
echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
|
| 2187 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
|
| 2188 |
|
|
fi
|
| 2189 |
|
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
| 2190 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
| 2191 |
|
|
echo '; }' >> e${EMULATION_NAME}.c
|
| 2192 |
|
|
|
| 2193 |
|
|
fragment <
|
| 2194 |
|
|
|
| 2195 |
|
|
|
| 2196 |
|
|
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
|
| 2197 |
|
|
{
|
| 2198 |
|
|
gld_${EMULATION_NAME}_before_parse,
|
| 2199 |
|
|
syslib_default,
|
| 2200 |
|
|
hll_default,
|
| 2201 |
|
|
gld_${EMULATION_NAME}_after_parse,
|
| 2202 |
|
|
gld_${EMULATION_NAME}_after_open,
|
| 2203 |
|
|
after_allocation_default,
|
| 2204 |
|
|
set_output_arch_default,
|
| 2205 |
|
|
ldemul_default_target,
|
| 2206 |
|
|
gld_${EMULATION_NAME}_before_allocation,
|
| 2207 |
|
|
gld_${EMULATION_NAME}_get_script,
|
| 2208 |
|
|
"${EMULATION_NAME}",
|
| 2209 |
|
|
"${OUTPUT_FORMAT}",
|
| 2210 |
|
|
gld_${EMULATION_NAME}_finish,
|
| 2211 |
|
|
NULL, /* Create output section statements. */
|
| 2212 |
|
|
gld_${EMULATION_NAME}_open_dynamic_archive,
|
| 2213 |
|
|
gld_${EMULATION_NAME}_place_orphan,
|
| 2214 |
|
|
gld_${EMULATION_NAME}_set_symbols,
|
| 2215 |
|
|
NULL, /* parse_args */
|
| 2216 |
|
|
gld${EMULATION_NAME}_add_options,
|
| 2217 |
|
|
gld${EMULATION_NAME}_handle_option,
|
| 2218 |
|
|
gld_${EMULATION_NAME}_unrecognized_file,
|
| 2219 |
|
|
gld_${EMULATION_NAME}_list_options,
|
| 2220 |
|
|
gld_${EMULATION_NAME}_recognized_file,
|
| 2221 |
|
|
gld_${EMULATION_NAME}_find_potential_libraries,
|
| 2222 |
|
|
NULL /* new_vers_pattern. */
|
| 2223 |
|
|
};
|
| 2224 |
|
|
EOF
|