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205 |
julius |
# 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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fragment <
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/* This file is part of GLD, the Gnu Linker.
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Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008, 2009 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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#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 "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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#include "../bfd/libcoff.h"
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#define TARGET_IS_${EMULATION_NAME}
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| 58 |
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static struct internal_extra_pe_aouthdr pe;
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static int dll;
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| 61 |
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extern const char *output_filename;
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static void
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gld_${EMULATION_NAME}_before_parse (void)
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{
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ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
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output_filename = "a.exe";
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}
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| 69 |
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| 70 |
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/* PE format extra command line options. */
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/* Used for setting flags in the PE header. */
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#define OPTION_BASE_FILE (300 + 1)
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#define OPTION_DLL (OPTION_BASE_FILE + 1)
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#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
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#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
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#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
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#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
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#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
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#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
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#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
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#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
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#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
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#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
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#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
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#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
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static void
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gld${EMULATION_NAME}_add_options
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(int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
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struct option **longopts, int nrl ATTRIBUTE_UNUSED,
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struct option **really_longopts ATTRIBUTE_UNUSED)
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{
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static const struct option xtra_long[] = {
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/* PE options */
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{"base-file", required_argument, NULL, OPTION_BASE_FILE},
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{"dll", no_argument, NULL, OPTION_DLL},
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{"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
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{"heap", required_argument, NULL, OPTION_HEAP},
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{"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
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{"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
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{"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
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{"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
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{"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
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{"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
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{"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
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{"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
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{"stack", required_argument, NULL, OPTION_STACK},
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{"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
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{NULL, no_argument, NULL, 0}
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};
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*longopts = (struct option *)
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xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
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memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
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}
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| 118 |
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| 119 |
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/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
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parameters which may be input from the command line */
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| 121 |
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| 122 |
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typedef struct {
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void *ptr;
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int size;
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int value;
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| 126 |
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char *symbol;
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| 127 |
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int inited;
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} definfo;
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#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
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static definfo init[] =
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{
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/* imagebase must be first */
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#define IMAGEBASEOFF 0
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D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
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#define DLLOFF 1
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{&dll, sizeof(dll), 0, "__dll__", 0},
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D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
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D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
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D(MajorOperatingSystemVersion,"__major_os_version__", 4),
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D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
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D(MajorImageVersion,"__major_image_version__", 1),
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D(MinorImageVersion,"__minor_image_version__", 0),
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D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
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D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
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D(Subsystem,"__subsystem__", 3),
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D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
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D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
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D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
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D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
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D(LoaderFlags,"__loader_flags__", 0x0),
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{ NULL, 0, 0, NULL, 0 }
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};
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| 156 |
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static void
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set_pe_name (char *name, long val)
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{
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int i;
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/* Find the name and set it. */
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for (i = 0; init[i].ptr; i++)
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{
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if (strcmp (name, init[i].symbol) == 0)
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{
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init[i].value = val;
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init[i].inited = 1;
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return;
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}
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}
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abort();
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}
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| 174 |
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| 175 |
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static void
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set_pe_subsystem (void)
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| 177 |
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{
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const char *sver;
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| 179 |
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int len;
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| 180 |
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int i;
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| 181 |
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static const struct
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| 182 |
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{
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| 183 |
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const char *name;
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| 184 |
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const int value;
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| 185 |
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const char *entry;
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| 186 |
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}
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| 187 |
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v[] =
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| 188 |
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{
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| 189 |
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{ "native", 1, "_NtProcessStartup" },
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| 190 |
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{ "windows", 2, "_WinMainCRTStartup" },
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| 191 |
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{ "wwindows", 2, "_wWinMainCRTStartup" },
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| 192 |
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{ "console", 3, "_mainCRTStartup" },
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| 193 |
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{ "wconsole", 3, "_wmainCRTStartup" },
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| 194 |
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{ "posix", 7, "___PosixProcessStartup"},
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| 195 |
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{ 0, 0, 0 }
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| 196 |
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};
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| 197 |
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| 198 |
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sver = strchr (optarg, ':');
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| 199 |
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if (sver == NULL)
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| 200 |
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len = strlen (optarg);
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| 201 |
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else
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| 202 |
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{
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| 203 |
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char *end;
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| 204 |
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| 205 |
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len = sver - optarg;
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set_pe_name ("__major_subsystem_version__",
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strtoul (sver + 1, &end, 0));
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| 208 |
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if (*end == '.')
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set_pe_name ("__minor_subsystem_version__",
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| 210 |
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strtoul (end + 1, &end, 0));
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| 211 |
|
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if (*end != '\0')
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| 212 |
|
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einfo ("%P: warning: bad version number in -subsystem option\n");
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| 213 |
|
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}
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| 214 |
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| 215 |
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for (i = 0; v[i].name; i++)
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| 216 |
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{
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| 217 |
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if (strncmp (optarg, v[i].name, len) == 0
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| 218 |
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&& v[i].name[len] == '\0')
|
| 219 |
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{
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| 220 |
|
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set_pe_name ("__subsystem__", v[i].value);
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| 221 |
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| 222 |
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/* If the subsystem is windows, we use a different entry
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| 223 |
|
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point. */
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| 224 |
|
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lang_default_entry (v[i].entry);
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| 225 |
|
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| 226 |
|
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return;
|
| 227 |
|
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}
|
| 228 |
|
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}
|
| 229 |
|
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einfo ("%P%F: invalid subsystem type %s\n", optarg);
|
| 230 |
|
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}
|
| 231 |
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| 232 |
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| 233 |
|
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static void
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| 234 |
|
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set_pe_value (char *name)
|
| 235 |
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{
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| 236 |
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char *end;
|
| 237 |
|
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set_pe_name (name, strtoul (optarg, &end, 0));
|
| 238 |
|
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if (end == optarg)
|
| 239 |
|
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{
|
| 240 |
|
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einfo ("%P%F: invalid hex number for PE parameter '%s'\n", optarg);
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| 241 |
|
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}
|
| 242 |
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| 243 |
|
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optarg = end;
|
| 244 |
|
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}
|
| 245 |
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|
| 246 |
|
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static void
|
| 247 |
|
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set_pe_stack_heap (char *resname, char *comname)
|
| 248 |
|
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{
|
| 249 |
|
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set_pe_value (resname);
|
| 250 |
|
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if (*optarg == ',')
|
| 251 |
|
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{
|
| 252 |
|
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optarg++;
|
| 253 |
|
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set_pe_value (comname);
|
| 254 |
|
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}
|
| 255 |
|
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else if (*optarg)
|
| 256 |
|
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{
|
| 257 |
|
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einfo ("%P%F: strange hex info for PE parameter '%s'\n", optarg);
|
| 258 |
|
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}
|
| 259 |
|
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}
|
| 260 |
|
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|
| 261 |
|
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|
| 262 |
|
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static bfd_boolean
|
| 263 |
|
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gld${EMULATION_NAME}_handle_option (int optc)
|
| 264 |
|
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{
|
| 265 |
|
|
switch (optc)
|
| 266 |
|
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{
|
| 267 |
|
|
default:
|
| 268 |
|
|
return FALSE;
|
| 269 |
|
|
|
| 270 |
|
|
case OPTION_BASE_FILE:
|
| 271 |
|
|
link_info.base_file = fopen (optarg, FOPEN_WB);
|
| 272 |
|
|
if (link_info.base_file == NULL)
|
| 273 |
|
|
{
|
| 274 |
|
|
fprintf (stderr, "%s: Can't open base file %s\n",
|
| 275 |
|
|
program_name, optarg);
|
| 276 |
|
|
xexit (1);
|
| 277 |
|
|
}
|
| 278 |
|
|
break;
|
| 279 |
|
|
|
| 280 |
|
|
/* PE options */
|
| 281 |
|
|
case OPTION_HEAP:
|
| 282 |
|
|
set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
|
| 283 |
|
|
break;
|
| 284 |
|
|
case OPTION_STACK:
|
| 285 |
|
|
set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
|
| 286 |
|
|
break;
|
| 287 |
|
|
case OPTION_SUBSYSTEM:
|
| 288 |
|
|
set_pe_subsystem ();
|
| 289 |
|
|
break;
|
| 290 |
|
|
case OPTION_MAJOR_OS_VERSION:
|
| 291 |
|
|
set_pe_value ("__major_os_version__");
|
| 292 |
|
|
break;
|
| 293 |
|
|
case OPTION_MINOR_OS_VERSION:
|
| 294 |
|
|
set_pe_value ("__minor_os_version__");
|
| 295 |
|
|
break;
|
| 296 |
|
|
case OPTION_MAJOR_SUBSYSTEM_VERSION:
|
| 297 |
|
|
set_pe_value ("__major_subsystem_version__");
|
| 298 |
|
|
break;
|
| 299 |
|
|
case OPTION_MINOR_SUBSYSTEM_VERSION:
|
| 300 |
|
|
set_pe_value ("__minor_subsystem_version__");
|
| 301 |
|
|
break;
|
| 302 |
|
|
case OPTION_MAJOR_IMAGE_VERSION:
|
| 303 |
|
|
set_pe_value ("__major_image_version__");
|
| 304 |
|
|
break;
|
| 305 |
|
|
case OPTION_MINOR_IMAGE_VERSION:
|
| 306 |
|
|
set_pe_value ("__minor_image_version__");
|
| 307 |
|
|
break;
|
| 308 |
|
|
case OPTION_FILE_ALIGNMENT:
|
| 309 |
|
|
set_pe_value ("__file_alignment__");
|
| 310 |
|
|
break;
|
| 311 |
|
|
case OPTION_SECTION_ALIGNMENT:
|
| 312 |
|
|
set_pe_value ("__section_alignment__");
|
| 313 |
|
|
break;
|
| 314 |
|
|
case OPTION_DLL:
|
| 315 |
|
|
set_pe_name ("__dll__", 1);
|
| 316 |
|
|
break;
|
| 317 |
|
|
case OPTION_IMAGE_BASE:
|
| 318 |
|
|
set_pe_value ("__image_base__");
|
| 319 |
|
|
break;
|
| 320 |
|
|
}
|
| 321 |
|
|
return TRUE;
|
| 322 |
|
|
}
|
| 323 |
|
|
|
| 324 |
|
|
/* Assign values to the special symbols before the linker script is
|
| 325 |
|
|
read. */
|
| 326 |
|
|
|
| 327 |
|
|
static void
|
| 328 |
|
|
gld_${EMULATION_NAME}_set_symbols (void)
|
| 329 |
|
|
{
|
| 330 |
|
|
/* Run through and invent symbols for all the
|
| 331 |
|
|
names and insert the defaults. */
|
| 332 |
|
|
int j;
|
| 333 |
|
|
|
| 334 |
|
|
if (!init[IMAGEBASEOFF].inited)
|
| 335 |
|
|
{
|
| 336 |
|
|
if (link_info.relocatable)
|
| 337 |
|
|
init[IMAGEBASEOFF].value = 0;
|
| 338 |
|
|
else if (init[DLLOFF].value)
|
| 339 |
|
|
init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
|
| 340 |
|
|
else
|
| 341 |
|
|
init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
|
| 342 |
|
|
}
|
| 343 |
|
|
|
| 344 |
|
|
/* Don't do any symbol assignments if this is a relocatable link. */
|
| 345 |
|
|
if (link_info.relocatable)
|
| 346 |
|
|
return;
|
| 347 |
|
|
|
| 348 |
|
|
/* Glue the assignments into the abs section */
|
| 349 |
|
|
push_stat_ptr (&abs_output_section->children);
|
| 350 |
|
|
|
| 351 |
|
|
for (j = 0; init[j].ptr; j++)
|
| 352 |
|
|
{
|
| 353 |
|
|
long val = init[j].value;
|
| 354 |
|
|
lang_add_assignment (exp_assop ('=', init[j].symbol, exp_intop (val)));
|
| 355 |
|
|
if (init[j].size == sizeof(short))
|
| 356 |
|
|
*(short *)init[j].ptr = val;
|
| 357 |
|
|
else if (init[j].size == sizeof(int))
|
| 358 |
|
|
*(int *)init[j].ptr = val;
|
| 359 |
|
|
else if (init[j].size == sizeof(long))
|
| 360 |
|
|
*(long *)init[j].ptr = val;
|
| 361 |
|
|
/* This might be a long long or other special type. */
|
| 362 |
|
|
else if (init[j].size == sizeof(bfd_vma))
|
| 363 |
|
|
*(bfd_vma *)init[j].ptr = val;
|
| 364 |
|
|
else abort();
|
| 365 |
|
|
}
|
| 366 |
|
|
/* Restore the pointer. */
|
| 367 |
|
|
pop_stat_ptr ();
|
| 368 |
|
|
|
| 369 |
|
|
if (pe.FileAlignment >
|
| 370 |
|
|
pe.SectionAlignment)
|
| 371 |
|
|
{
|
| 372 |
|
|
einfo ("%P: warning, file alignment > section alignment.\n");
|
| 373 |
|
|
}
|
| 374 |
|
|
}
|
| 375 |
|
|
|
| 376 |
|
|
static void
|
| 377 |
|
|
gld_${EMULATION_NAME}_after_open (void)
|
| 378 |
|
|
{
|
| 379 |
|
|
/* Pass the wacky PE command line options into the output bfd.
|
| 380 |
|
|
FIXME: This should be done via a function, rather than by
|
| 381 |
|
|
including an internal BFD header. */
|
| 382 |
|
|
if (!coff_data(link_info.output_bfd)->pe)
|
| 383 |
|
|
{
|
| 384 |
|
|
einfo ("%F%P: PE operations on non PE file.\n");
|
| 385 |
|
|
}
|
| 386 |
|
|
|
| 387 |
|
|
pe_data(link_info.output_bfd)->pe_opthdr = pe;
|
| 388 |
|
|
pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
|
| 389 |
|
|
|
| 390 |
|
|
}
|
| 391 |
|
|
|
| 392 |
|
|
/* Callback functions for qsort in sort_sections. */
|
| 393 |
|
|
|
| 394 |
|
|
static int
|
| 395 |
|
|
sort_by_file_name (const void *a, const void *b)
|
| 396 |
|
|
{
|
| 397 |
|
|
const lang_statement_union_type *const *ra = a;
|
| 398 |
|
|
const lang_statement_union_type *const *rb = b;
|
| 399 |
|
|
int i, a_sec, b_sec;
|
| 400 |
|
|
|
| 401 |
|
|
i = strcmp ((*ra)->input_section.section->owner->my_archive->filename,
|
| 402 |
|
|
(*rb)->input_section.section->owner->my_archive->filename);
|
| 403 |
|
|
if (i != 0)
|
| 404 |
|
|
return i;
|
| 405 |
|
|
|
| 406 |
|
|
i = strcmp ((*ra)->input_section.section->owner->filename,
|
| 407 |
|
|
(*rb)->input_section.section->owner->filename);
|
| 408 |
|
|
if (i != 0)
|
| 409 |
|
|
return i;
|
| 410 |
|
|
/* the tail idata4/5 are the only ones without relocs to an
|
| 411 |
|
|
idata$6 section unless we are importing by ordinal,
|
| 412 |
|
|
so sort them to last to terminate the IAT
|
| 413 |
|
|
and HNT properly. if no reloc this one is import by ordinal
|
| 414 |
|
|
so we have to sort by section contents */
|
| 415 |
|
|
|
| 416 |
|
|
if ( ((*ra)->input_section.section->reloc_count + (*rb)->input_section.section->reloc_count) )
|
| 417 |
|
|
{
|
| 418 |
|
|
i = (((*ra)->input_section.section->reloc_count >
|
| 419 |
|
|
(*rb)->input_section.section->reloc_count) ? -1 : 0);
|
| 420 |
|
|
if ( i != 0)
|
| 421 |
|
|
return i;
|
| 422 |
|
|
|
| 423 |
|
|
return (((*ra)->input_section.section->reloc_count >
|
| 424 |
|
|
(*rb)->input_section.section->reloc_count) ? 0 : 1);
|
| 425 |
|
|
}
|
| 426 |
|
|
else
|
| 427 |
|
|
{
|
| 428 |
|
|
if ( (strcmp( (*ra)->input_section.section->name, ".idata$6") == 0) )
|
| 429 |
|
|
return 0; /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
|
| 430 |
|
|
|
| 431 |
|
|
if (! bfd_get_section_contents ((*ra)->input_section.section->owner,
|
| 432 |
|
|
(*ra)->input_section.section, &a_sec, (file_ptr) 0, (bfd_size_type)sizeof(a_sec)))
|
| 433 |
|
|
einfo ("%F%B: Can't read contents of section .idata: %E\n",
|
| 434 |
|
|
(*ra)->input_section.section->owner);
|
| 435 |
|
|
|
| 436 |
|
|
if (! bfd_get_section_contents ((*rb)->input_section.section->owner,
|
| 437 |
|
|
(*rb)->input_section.section, &b_sec, (file_ptr) 0, (bfd_size_type)sizeof(b_sec) ))
|
| 438 |
|
|
einfo ("%F%B: Can't read contents of section .idata: %E\n",
|
| 439 |
|
|
(*rb)->input_section.section->owner);
|
| 440 |
|
|
|
| 441 |
|
|
i = ((a_sec < b_sec) ? -1 : 0);
|
| 442 |
|
|
if ( i != 0)
|
| 443 |
|
|
return i;
|
| 444 |
|
|
return ((a_sec < b_sec) ? 0 : 1);
|
| 445 |
|
|
}
|
| 446 |
|
|
return 0;
|
| 447 |
|
|
}
|
| 448 |
|
|
|
| 449 |
|
|
static int
|
| 450 |
|
|
sort_by_section_name (const void *a, const void *b)
|
| 451 |
|
|
{
|
| 452 |
|
|
const lang_statement_union_type *const *ra = a;
|
| 453 |
|
|
const lang_statement_union_type *const *rb = b;
|
| 454 |
|
|
int i;
|
| 455 |
|
|
i = strcmp ((*ra)->input_section.section->name,
|
| 456 |
|
|
(*rb)->input_section.section->name);
|
| 457 |
|
|
/* This is a hack to make .stab and .stabstr last, so we don't have
|
| 458 |
|
|
to fix strip/objcopy for .reloc sections.
|
| 459 |
|
|
FIXME stripping images with a .rsrc section still needs to be fixed. */
|
| 460 |
|
|
if (i != 0)
|
| 461 |
|
|
{
|
| 462 |
|
|
if ((CONST_STRNEQ ((*ra)->input_section.section->name, ".stab"))
|
| 463 |
|
|
&& (! CONST_STRNEQ ((*rb)->input_section.section->name, ".stab")))
|
| 464 |
|
|
return 1;
|
| 465 |
|
|
}
|
| 466 |
|
|
return i;
|
| 467 |
|
|
}
|
| 468 |
|
|
|
| 469 |
|
|
/* Subroutine of sort_sections to a contiguous subset of a list of sections.
|
| 470 |
|
|
NEXT_AFTER is the element after the last one to sort.
|
| 471 |
|
|
The result is a pointer to the last element's "next" pointer. */
|
| 472 |
|
|
|
| 473 |
|
|
static lang_statement_union_type **
|
| 474 |
|
|
sort_sections_1 (lang_statement_union_type **startptr,
|
| 475 |
|
|
lang_statement_union_type *next_after,
|
| 476 |
|
|
int count,
|
| 477 |
|
|
int (*sort_func) (const void *, const void *))
|
| 478 |
|
|
{
|
| 479 |
|
|
lang_statement_union_type **vec;
|
| 480 |
|
|
lang_statement_union_type *p;
|
| 481 |
|
|
int i;
|
| 482 |
|
|
lang_statement_union_type **ret;
|
| 483 |
|
|
|
| 484 |
|
|
if (count == 0)
|
| 485 |
|
|
return startptr;
|
| 486 |
|
|
|
| 487 |
|
|
vec = ((lang_statement_union_type **)
|
| 488 |
|
|
xmalloc (count * sizeof (lang_statement_union_type *)));
|
| 489 |
|
|
|
| 490 |
|
|
for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
|
| 491 |
|
|
vec[i] = p;
|
| 492 |
|
|
|
| 493 |
|
|
qsort (vec, count, sizeof (vec[0]), sort_func);
|
| 494 |
|
|
|
| 495 |
|
|
/* Fill in the next pointers again. */
|
| 496 |
|
|
*startptr = vec[0];
|
| 497 |
|
|
for (i = 0; i < count - 1; i++)
|
| 498 |
|
|
vec[i]->header.next = vec[i + 1];
|
| 499 |
|
|
vec[i]->header.next = next_after;
|
| 500 |
|
|
ret = &vec[i]->header.next;
|
| 501 |
|
|
free (vec);
|
| 502 |
|
|
return ret;
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
/* Sort the .idata\$foo input sections of archives into filename order.
|
| 506 |
|
|
The reason is so dlltool can arrange to have the pe dll import information
|
| 507 |
|
|
generated correctly - the head of the list goes into dh.o, the tail into
|
| 508 |
|
|
dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
|
| 509 |
|
|
.idata section.
|
| 510 |
|
|
FIXME: This may no longer be necessary with grouped sections. Instead of
|
| 511 |
|
|
sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
|
| 512 |
|
|
.idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
|
| 513 |
|
|
This would have to be elaborated upon to handle multiple dll's
|
| 514 |
|
|
[assuming such an eloboration is possible of course].
|
| 515 |
|
|
|
| 516 |
|
|
We also sort sections in '\$' wild statements. These are created by the
|
| 517 |
|
|
place_orphans routine to implement grouped sections. */
|
| 518 |
|
|
|
| 519 |
|
|
static void
|
| 520 |
|
|
sort_sections (lang_statement_union_type *s)
|
| 521 |
|
|
{
|
| 522 |
|
|
for (; s ; s = s->header.next)
|
| 523 |
|
|
switch (s->header.type)
|
| 524 |
|
|
{
|
| 525 |
|
|
case lang_output_section_statement_enum:
|
| 526 |
|
|
sort_sections (s->output_section_statement.children.head);
|
| 527 |
|
|
break;
|
| 528 |
|
|
case lang_wild_statement_enum:
|
| 529 |
|
|
{
|
| 530 |
|
|
lang_statement_union_type **p = &s->wild_statement.children.head;
|
| 531 |
|
|
struct wildcard_list *sec;
|
| 532 |
|
|
|
| 533 |
|
|
for (sec = s->wild_statement.section_list; sec; sec = sec->next)
|
| 534 |
|
|
{
|
| 535 |
|
|
/* Is this the .idata section? */
|
| 536 |
|
|
if (sec->spec.name != NULL
|
| 537 |
|
|
&& CONST_STRNEQ (sec->spec.name, ".idata"))
|
| 538 |
|
|
{
|
| 539 |
|
|
/* Sort the children. We want to sort any objects in
|
| 540 |
|
|
the same archive. In order to handle the case of
|
| 541 |
|
|
including a single archive multiple times, we sort
|
| 542 |
|
|
all the children by archive name and then by object
|
| 543 |
|
|
name. After sorting them, we re-thread the pointer
|
| 544 |
|
|
chain. */
|
| 545 |
|
|
|
| 546 |
|
|
while (*p)
|
| 547 |
|
|
{
|
| 548 |
|
|
lang_statement_union_type *start = *p;
|
| 549 |
|
|
if (start->header.type != lang_input_section_enum
|
| 550 |
|
|
|| !start->input_section.section->owner->my_archive)
|
| 551 |
|
|
p = &(start->header.next);
|
| 552 |
|
|
else
|
| 553 |
|
|
{
|
| 554 |
|
|
lang_statement_union_type *end;
|
| 555 |
|
|
int count;
|
| 556 |
|
|
|
| 557 |
|
|
for (end = start, count = 0;
|
| 558 |
|
|
end && (end->header.type
|
| 559 |
|
|
== lang_input_section_enum);
|
| 560 |
|
|
end = end->header.next)
|
| 561 |
|
|
count++;
|
| 562 |
|
|
|
| 563 |
|
|
p = sort_sections_1 (p, end, count,
|
| 564 |
|
|
sort_by_file_name);
|
| 565 |
|
|
}
|
| 566 |
|
|
}
|
| 567 |
|
|
break;
|
| 568 |
|
|
}
|
| 569 |
|
|
|
| 570 |
|
|
/* If this is a collection of grouped sections, sort them.
|
| 571 |
|
|
The linker script must explicitly mention "*(.foo\$)" or
|
| 572 |
|
|
"*(.foo\$*)". Don't sort them if \$ is not the last
|
| 573 |
|
|
character (not sure if this is really useful, but it
|
| 574 |
|
|
allows explicitly mentioning some \$ sections and letting
|
| 575 |
|
|
the linker handle the rest). */
|
| 576 |
|
|
if (sec->spec.name != NULL)
|
| 577 |
|
|
{
|
| 578 |
|
|
char *q = strchr (sec->spec.name, '\$');
|
| 579 |
|
|
|
| 580 |
|
|
if (q != NULL
|
| 581 |
|
|
&& (q[1] == '\0'
|
| 582 |
|
|
|| (q[1] == '*' && q[2] == '\0')))
|
| 583 |
|
|
{
|
| 584 |
|
|
lang_statement_union_type *end;
|
| 585 |
|
|
int count;
|
| 586 |
|
|
|
| 587 |
|
|
for (end = *p, count = 0; end; end = end->header.next)
|
| 588 |
|
|
{
|
| 589 |
|
|
if (end->header.type != lang_input_section_enum)
|
| 590 |
|
|
abort ();
|
| 591 |
|
|
count++;
|
| 592 |
|
|
}
|
| 593 |
|
|
(void) sort_sections_1 (p, end, count,
|
| 594 |
|
|
sort_by_section_name);
|
| 595 |
|
|
}
|
| 596 |
|
|
break;
|
| 597 |
|
|
}
|
| 598 |
|
|
}
|
| 599 |
|
|
}
|
| 600 |
|
|
break;
|
| 601 |
|
|
default:
|
| 602 |
|
|
break;
|
| 603 |
|
|
}
|
| 604 |
|
|
}
|
| 605 |
|
|
|
| 606 |
|
|
static void
|
| 607 |
|
|
gld_${EMULATION_NAME}_before_allocation (void)
|
| 608 |
|
|
{
|
| 609 |
|
|
#ifdef TARGET_IS_ppcpe
|
| 610 |
|
|
/* Here we rummage through the found bfds to collect toc information */
|
| 611 |
|
|
{
|
| 612 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 613 |
|
|
{
|
| 614 |
|
|
if (!ppc_process_before_allocation(is->the_bfd, &link_info))
|
| 615 |
|
|
{
|
| 616 |
|
|
einfo("Errors encountered processing file %s\n", is->filename);
|
| 617 |
|
|
}
|
| 618 |
|
|
}
|
| 619 |
|
|
}
|
| 620 |
|
|
|
| 621 |
|
|
/* We have seen it all. Allocate it, and carry on */
|
| 622 |
|
|
ppc_allocate_toc_section (&link_info);
|
| 623 |
|
|
#else
|
| 624 |
|
|
#ifdef TARGET_IS_armpe
|
| 625 |
|
|
/* FIXME: we should be able to set the size of the interworking stub
|
| 626 |
|
|
section.
|
| 627 |
|
|
|
| 628 |
|
|
Here we rummage through the found bfds to collect glue
|
| 629 |
|
|
information. FIXME: should this be based on a command line
|
| 630 |
|
|
option? krk@cygnus.com */
|
| 631 |
|
|
{
|
| 632 |
|
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
| 633 |
|
|
{
|
| 634 |
|
|
if (!arm_process_before_allocation (is->the_bfd, & link_info))
|
| 635 |
|
|
{
|
| 636 |
|
|
einfo ("Errors encountered processing file %s", is->filename);
|
| 637 |
|
|
}
|
| 638 |
|
|
}
|
| 639 |
|
|
}
|
| 640 |
|
|
|
| 641 |
|
|
/* We have seen it all. Allocate it, and carry on */
|
| 642 |
|
|
arm_allocate_interworking_sections (& link_info);
|
| 643 |
|
|
#endif /* TARGET_IS_armpe */
|
| 644 |
|
|
#endif /* TARGET_IS_ppcpe */
|
| 645 |
|
|
|
| 646 |
|
|
sort_sections (stat_ptr->head);
|
| 647 |
|
|
|
| 648 |
|
|
before_allocation_default ();
|
| 649 |
|
|
}
|
| 650 |
|
|
|
| 651 |
|
|
/* Place an orphan section. We use this to put sections with a '\$' in them
|
| 652 |
|
|
into the right place. Any section with a '\$' in them (e.g. .text\$foo)
|
| 653 |
|
|
gets mapped to the output section with everything from the '\$' on stripped
|
| 654 |
|
|
(e.g. .text).
|
| 655 |
|
|
See the Microsoft Portable Executable and Common Object File Format
|
| 656 |
|
|
Specification 4.1, section 4.2, Grouped Sections.
|
| 657 |
|
|
|
| 658 |
|
|
FIXME: This is now handled by the linker script using wildcards,
|
| 659 |
|
|
but I'm leaving this here in case we want to enable it for sections
|
| 660 |
|
|
which are not mentioned in the linker script. */
|
| 661 |
|
|
|
| 662 |
|
|
static lang_output_section_statement_type *
|
| 663 |
|
|
gld${EMULATION_NAME}_place_orphan (asection *s,
|
| 664 |
|
|
const char *secname,
|
| 665 |
|
|
int constraint)
|
| 666 |
|
|
{
|
| 667 |
|
|
char *output_secname, *ps;
|
| 668 |
|
|
lang_output_section_statement_type *os;
|
| 669 |
|
|
lang_statement_union_type *l;
|
| 670 |
|
|
|
| 671 |
|
|
if ((s->flags & SEC_ALLOC) == 0)
|
| 672 |
|
|
return NULL;
|
| 673 |
|
|
|
| 674 |
|
|
/* Don't process grouped sections unless doing a final link.
|
| 675 |
|
|
If they're marked as COMDAT sections, we don't want .text\$foo to
|
| 676 |
|
|
end up in .text and then have .text disappear because it's marked
|
| 677 |
|
|
link-once-discard. */
|
| 678 |
|
|
if (link_info.relocatable)
|
| 679 |
|
|
return NULL;
|
| 680 |
|
|
|
| 681 |
|
|
/* Everything from the '\$' on gets deleted so don't allow '\$' as the
|
| 682 |
|
|
first character. */
|
| 683 |
|
|
if (*secname == '\$')
|
| 684 |
|
|
einfo ("%P%F: section %s has '\$' as first character\n", secname);
|
| 685 |
|
|
if (strchr (secname + 1, '\$') == NULL)
|
| 686 |
|
|
return NULL;
|
| 687 |
|
|
|
| 688 |
|
|
/* Look up the output section. The Microsoft specs say sections names in
|
| 689 |
|
|
image files never contain a '\$'. Fortunately, lang_..._lookup creates
|
| 690 |
|
|
the section if it doesn't exist. */
|
| 691 |
|
|
output_secname = xstrdup (secname);
|
| 692 |
|
|
ps = strchr (output_secname + 1, '\$');
|
| 693 |
|
|
*ps = 0;
|
| 694 |
|
|
os = lang_output_section_statement_lookup (output_secname, constraint, TRUE);
|
| 695 |
|
|
|
| 696 |
|
|
/* Find the '\$' wild statement for this section. We currently require the
|
| 697 |
|
|
linker script to explicitly mention "*(.foo\$)".
|
| 698 |
|
|
FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
|
| 699 |
|
|
Microsoft docs this isn't correct so it's not (currently) handled. */
|
| 700 |
|
|
|
| 701 |
|
|
ps[0] = '\$';
|
| 702 |
|
|
ps[1] = 0;
|
| 703 |
|
|
for (l = os->children.head; l; l = l->header.next)
|
| 704 |
|
|
if (l->header.type == lang_wild_statement_enum)
|
| 705 |
|
|
{
|
| 706 |
|
|
struct wildcard_list *sec;
|
| 707 |
|
|
|
| 708 |
|
|
for (sec = l->wild_statement.section_list; sec; sec = sec->next)
|
| 709 |
|
|
if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
|
| 710 |
|
|
break;
|
| 711 |
|
|
if (sec)
|
| 712 |
|
|
break;
|
| 713 |
|
|
}
|
| 714 |
|
|
ps[0] = 0;
|
| 715 |
|
|
if (l == NULL)
|
| 716 |
|
|
einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);
|
| 717 |
|
|
|
| 718 |
|
|
/* Link the input section in and we're done for now.
|
| 719 |
|
|
The sections still have to be sorted, but that has to wait until
|
| 720 |
|
|
all such sections have been processed by us. The sorting is done by
|
| 721 |
|
|
sort_sections. */
|
| 722 |
|
|
lang_add_section (&l->wild_statement.children, s, os);
|
| 723 |
|
|
|
| 724 |
|
|
return os;
|
| 725 |
|
|
}
|
| 726 |
|
|
|
| 727 |
|
|
static char *
|
| 728 |
|
|
gld_${EMULATION_NAME}_get_script (int *isfile)
|
| 729 |
|
|
EOF
|
| 730 |
|
|
# Scripts compiled in.
|
| 731 |
|
|
# sed commands to quote an ld script as a C string.
|
| 732 |
|
|
sc="-f stringify.sed"
|
| 733 |
|
|
|
| 734 |
|
|
fragment <
|
| 735 |
|
|
{
|
| 736 |
|
|
*isfile = 0;
|
| 737 |
|
|
|
| 738 |
|
|
if (link_info.relocatable && config.build_constructors)
|
| 739 |
|
|
return
|
| 740 |
|
|
EOF
|
| 741 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
| 742 |
|
|
echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
|
| 743 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
|
| 744 |
|
|
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
|
| 745 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
|
| 746 |
|
|
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
|
| 747 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
|
| 748 |
|
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
| 749 |
|
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
| 750 |
|
|
echo '; }' >> e${EMULATION_NAME}.c
|
| 751 |
|
|
|
| 752 |
|
|
fragment <
|
| 753 |
|
|
|
| 754 |
|
|
|
| 755 |
|
|
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
|
| 756 |
|
|
{
|
| 757 |
|
|
gld_${EMULATION_NAME}_before_parse,
|
| 758 |
|
|
syslib_default,
|
| 759 |
|
|
hll_default,
|
| 760 |
|
|
after_parse_default,
|
| 761 |
|
|
gld_${EMULATION_NAME}_after_open,
|
| 762 |
|
|
after_allocation_default,
|
| 763 |
|
|
set_output_arch_default,
|
| 764 |
|
|
ldemul_default_target,
|
| 765 |
|
|
gld_${EMULATION_NAME}_before_allocation,
|
| 766 |
|
|
gld_${EMULATION_NAME}_get_script,
|
| 767 |
|
|
"${EMULATION_NAME}",
|
| 768 |
|
|
"${OUTPUT_FORMAT}",
|
| 769 |
|
|
finish_default,
|
| 770 |
|
|
NULL, /* create output section statements */
|
| 771 |
|
|
NULL, /* open dynamic archive */
|
| 772 |
|
|
gld${EMULATION_NAME}_place_orphan,
|
| 773 |
|
|
gld_${EMULATION_NAME}_set_symbols,
|
| 774 |
|
|
NULL, /* parse_args */
|
| 775 |
|
|
gld${EMULATION_NAME}_add_options,
|
| 776 |
|
|
gld${EMULATION_NAME}_handle_option,
|
| 777 |
|
|
NULL, /* unrecognized file */
|
| 778 |
|
|
NULL, /* list options */
|
| 779 |
|
|
NULL, /* recognized file */
|
| 780 |
|
|
NULL, /* find_potential_libraries */
|
| 781 |
|
|
NULL /* new_vers_pattern */
|
| 782 |
|
|
};
|
| 783 |
|
|
EOF
|