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+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* This file is part of GLD, the Gnu Linker.
+ Copyright 1995, 96, 97, 1998 Free Software Foundation, Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* For WINDOWS_NT */
+/* The original file generated returned different default scripts depending
+ on whether certain switches were set, but these switches pertain to the
+ Linux system and that particular version of coff. In the NT case, we
+ only determine if the subsystem is console or windows in order to select
+ the correct entry point by default. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "getopt.h"
+#include "libiberty.h"
+#include "ld.h"
+#include "ldmain.h"
+#include "ldgram.h"
+#include "ldexp.h"
+#include "ldlang.h"
+#include "ldemul.h"
+#include "ldlex.h"
+#include "ldmisc.h"
+#include "ldctor.h"
+#include "ldfile.h"
+#include "coff/internal.h"
+#include "../bfd/libcoff.h"
+
+#define TARGET_IS_${EMULATION_NAME}
+
+static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
+static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
+static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
+static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
+static boolean gld${EMULATION_NAME}_place_orphan
+ PARAMS ((lang_input_statement_type *, asection *));
+static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
+static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
+
+#if 0 /* argument to qsort so don't prototype */
+static int sort_by_file_name PARAMS ((void *, void *));
+static int sort_by_section_name PARAMS ((void *, void *));
+#endif
+static lang_statement_union_type **sort_sections_1
+ PARAMS ((lang_statement_union_type **, lang_statement_union_type *, int,
+ int (*)()));
+static void sort_sections PARAMS ((lang_statement_union_type *));
+
+static struct internal_extra_pe_aouthdr pe;
+static int dll;
+
+extern const char *output_filename;
+
+static void
+gld_${EMULATION_NAME}_before_parse()
+{
+ output_filename = "a.exe";
+ ldfile_output_architecture = bfd_arch_${ARCH};
+}
+
+/* PE format extra command line options. */
+
+/* Used for setting flags in the PE header. */
+#define OPTION_BASE_FILE (300 + 1)
+#define OPTION_DLL (OPTION_BASE_FILE + 1)
+#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
+#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
+#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
+#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
+#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
+#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
+#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
+#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
+#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
+#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
+#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
+#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
+
+static struct option longopts[] = {
+ /* PE options */
+ {"base-file", required_argument, NULL, OPTION_BASE_FILE},
+ {"dll", no_argument, NULL, OPTION_DLL},
+ {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
+ {"heap", required_argument, NULL, OPTION_HEAP},
+ {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
+ {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
+ {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
+ {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
+ {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
+ {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
+ {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
+ {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
+ {"stack", required_argument, NULL, OPTION_STACK},
+ {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
+ {NULL, no_argument, NULL, 0}
+ };
+
+
+/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
+ parameters which may be input from the command line */
+
+typedef struct {
+ void *ptr;
+ int size;
+ int value;
+ char *symbol;
+ int inited;
+} definfo;
+
+#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
+
+static definfo init[] =
+{
+ /* imagebase must be first */
+#define IMAGEBASEOFF 0
+ D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
+#define DLLOFF 1
+ {&dll, sizeof(dll), 0, "__dll__"},
+ D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
+ D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
+ D(MajorOperatingSystemVersion,"__major_os_version__", 4),
+ D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
+ D(MajorImageVersion,"__major_image_version__", 1),
+ D(MinorImageVersion,"__minor_image_version__", 0),
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
+ D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
+ D(Subsystem,"__subsystem__", 3),
+ D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
+ D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
+ D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
+ D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
+ D(LoaderFlags,"__loader_flags__", 0x0),
+ { NULL, 0, 0, NULL, 0 }
+};
+
+
+static void
+set_pe_name (name, val)
+ char *name;
+ long val;
+{
+ int i;
+ /* Find the name and set it. */
+ for (i = 0; init[i].ptr; i++)
+ {
+ if (strcmp (name, init[i].symbol) == 0)
+ {
+ init[i].value = val;
+ init[i].inited = 1;
+ return;
+ }
+ }
+ abort();
+}
+
+
+static void
+set_pe_subsystem ()
+{
+ const char *sver;
+ int len;
+ int i;
+ static const struct
+ {
+ const char *name;
+ const int value;
+ const char *entry;
+ }
+ v[] =
+ {
+ { "native", 1, "_NtProcessStartup" },
+ { "windows", 2, "_WinMainCRTStartup" },
+ { "wwindows", 2, "_wWinMainCRTStartup" },
+ { "console", 3, "_mainCRTStartup" },
+ { "wconsole", 3, "_wmainCRTStartup" },
+#if 0
+ /* The Microsoft linker does not recognize this. */
+ { "os2", 5, "" },
+#endif
+ { "posix", 7, "___PosixProcessStartup"},
+ { 0, 0, 0 }
+ };
+
+ sver = strchr (optarg, ':');
+ if (sver == NULL)
+ len = strlen (optarg);
+ else
+ {
+ char *end;
+
+ len = sver - optarg;
+ set_pe_name ("__major_subsystem_version__",
+ strtoul (sver + 1, &end, 0));
+ if (*end == '.')
+ set_pe_name ("__minor_subsystem_version__",
+ strtoul (end + 1, &end, 0));
+ if (*end != '\0')
+ einfo ("%P: warning: bad version number in -subsystem option\n");
+ }
+
+ for (i = 0; v[i].name; i++)
+ {
+ if (strncmp (optarg, v[i].name, len) == 0
+ && v[i].name[len] == '\0')
+ {
+ set_pe_name ("__subsystem__", v[i].value);
+
+ /* If the subsystem is windows, we use a different entry
+ point. We also register the entry point as an undefined
+ symbol. from lang_add_entry() The reason we do
+ this is so that the user
+ doesn't have to because they would have to use the -u
+ switch if they were specifying an entry point other than
+ _mainCRTStartup. Specifically, if creating a windows
+ application, entry point _WinMainCRTStartup must be
+ specified. What I have found for non console
+ applications (entry not _mainCRTStartup) is that the .obj
+ that contains mainCRTStartup is brought in since it is
+ the first encountered in libc.lib and it has other
+ symbols in it which will be pulled in by the link
+ process. To avoid this, adding -u with the entry point
+ name specified forces the correct .obj to be used. We
+ can avoid making the user do this by always adding the
+ entry point name as an undefined symbol. */
+ lang_add_entry (v[i].entry, 1);
+
+ return;
+ }
+ }
+ einfo ("%P%F: invalid subsystem type %s\n", optarg);
+}
+
+
+
+static void
+set_pe_value (name)
+ char *name;
+
+{
+ char *end;
+ set_pe_name (name, strtoul (optarg, &end, 0));
+ if (end == optarg)
+ {
+ einfo ("%P%F: invalid hex number for PE parameter '%s'\n", optarg);
+ }
+
+ optarg = end;
+}
+
+static void
+set_pe_stack_heap (resname, comname)
+ char *resname;
+ char *comname;
+{
+ set_pe_value (resname);
+ if (*optarg == ',')
+ {
+ optarg++;
+ set_pe_value (comname);
+ }
+ else if (*optarg)
+ {
+ einfo ("%P%F: strange hex info for PE parameter '%s'\n", optarg);
+ }
+}
+
+
+
+static int
+gld_${EMULATION_NAME}_parse_args(argc, argv)
+ int argc;
+ char **argv;
+{
+ int longind;
+ int optc;
+ int prevoptind = optind;
+ int prevopterr = opterr;
+ int wanterror;
+ static int lastoptind = -1;
+
+ if (lastoptind != optind)
+ opterr = 0;
+ wanterror = opterr;
+
+ lastoptind = optind;
+
+ optc = getopt_long_only (argc, argv, "-", longopts, &longind);
+ opterr = prevopterr;
+
+ switch (optc)
+ {
+ default:
+ if (wanterror)
+ xexit (1);
+ optind = prevoptind;
+ return 0;
+
+ case OPTION_BASE_FILE:
+ link_info.base_file = (PTR) fopen (optarg, FOPEN_WB);
+ if (link_info.base_file == NULL)
+ {
+ fprintf (stderr, "%s: Can't open base file %s\n",
+ program_name, optarg);
+ xexit (1);
+ }
+ break;
+
+ /* PE options */
+ case OPTION_HEAP:
+ set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
+ break;
+ case OPTION_STACK:
+ set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
+ break;
+ case OPTION_SUBSYSTEM:
+ set_pe_subsystem ();
+ break;
+ case OPTION_MAJOR_OS_VERSION:
+ set_pe_value ("__major_os_version__");
+ break;
+ case OPTION_MINOR_OS_VERSION:
+ set_pe_value ("__minor_os_version__");
+ break;
+ case OPTION_MAJOR_SUBSYSTEM_VERSION:
+ set_pe_value ("__major_subsystem_version__");
+ break;
+ case OPTION_MINOR_SUBSYSTEM_VERSION:
+ set_pe_value ("__minor_subsystem_version__");
+ break;
+ case OPTION_MAJOR_IMAGE_VERSION:
+ set_pe_value ("__major_image_version__");
+ break;
+ case OPTION_MINOR_IMAGE_VERSION:
+ set_pe_value ("__minor_image_version__");
+ break;
+ case OPTION_FILE_ALIGNMENT:
+ set_pe_value ("__file_alignment__");
+ break;
+ case OPTION_SECTION_ALIGNMENT:
+ set_pe_value ("__section_alignment__");
+ break;
+ case OPTION_DLL:
+ set_pe_name ("__dll__", 1);
+ break;
+ case OPTION_IMAGE_BASE:
+ set_pe_value ("__image_base__");
+ break;
+ }
+ return 1;
+}
+
+/* Assign values to the special symbols before the linker script is
+ read. */
+
+static void
+gld_${EMULATION_NAME}_set_symbols()
+{
+ /* Run through and invent symbols for all the
+ names and insert the defaults. */
+ int j;
+ lang_statement_list_type *save;
+
+ if (!init[IMAGEBASEOFF].inited)
+ {
+ if (link_info.relocateable)
+ init[IMAGEBASEOFF].value = 0;
+ else if (init[DLLOFF].value)
+ init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
+ else
+ init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
+ }
+
+ /* Don't do any symbol assignments if this is a relocateable link. */
+ if (link_info.relocateable)
+ return;
+
+ /* Glue the assignments into the abs section */
+ save = stat_ptr;
+
+ stat_ptr = &(abs_output_section->children);
+
+ for (j = 0; init[j].ptr; j++)
+ {
+ long val = init[j].value;
+ lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
+ if (init[j].size == sizeof(short))
+ *(short *)init[j].ptr = val;
+ else if (init[j].size == sizeof(int))
+ *(int *)init[j].ptr = val;
+ else if (init[j].size == sizeof(long))
+ *(long *)init[j].ptr = val;
+ /* This might be a long long or other special type. */
+ else if (init[j].size == sizeof(bfd_vma))
+ *(bfd_vma *)init[j].ptr = val;
+ else abort();
+ }
+ /* Restore the pointer. */
+ stat_ptr = save;
+
+ if (pe.FileAlignment >
+ pe.SectionAlignment)
+ {
+ einfo ("%P: warning, file alignment > section alignment.\n");
+ }
+}
+
+static void
+gld_${EMULATION_NAME}_after_open()
+{
+ /* Pass the wacky PE command line options into the output bfd.
+ FIXME: This should be done via a function, rather than by
+ including an internal BFD header. */
+ if (!coff_data(output_bfd)->pe)
+ {
+ einfo ("%F%P: PE operations on non PE file.\n");
+ }
+
+ pe_data(output_bfd)->pe_opthdr = pe;
+ pe_data(output_bfd)->dll = init[DLLOFF].value;
+
+}
+
+/* Callback functions for qsort in sort_sections. */
+
+static int
+sort_by_file_name (a, b)
+ void *a;
+ void *b;
+{
+ lang_statement_union_type **ra = a;
+ lang_statement_union_type **rb = b;
+ int i, a_sec, b_sec;
+
+ i = strcmp ((*ra)->input_section.ifile->the_bfd->my_archive->filename,
+ (*rb)->input_section.ifile->the_bfd->my_archive->filename);
+ if (i != 0)
+ return i;
+
+ i = strcmp ((*ra)->input_section.ifile->filename,
+ (*rb)->input_section.ifile->filename);
+ if (i != 0)
+ return i;
+ /* the tail idata4/5 are the only ones without relocs to an
+ idata$6 section unless we are importing by ordinal,
+ so sort them to last to terminate the IAT
+ and HNT properly. if no reloc this one is import by ordinal
+ so we have to sort by section contents */
+
+ if ( ((*ra)->input_section.section->reloc_count + (*rb)->input_section.section->reloc_count) )
+ {
+ i = (((*ra)->input_section.section->reloc_count >
+ (*rb)->input_section.section->reloc_count) ? -1 : 0);
+ if ( i != 0)
+ return i;
+
+ return (((*ra)->input_section.section->reloc_count >
+ (*rb)->input_section.section->reloc_count) ? 0 : 1);
+ }
+ else
+ {
+ if ( (strcmp( (*ra)->input_section.section->name, ".idata$6") == 0) )
+ return 0; /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
+
+ if (! bfd_get_section_contents ((*ra)->input_section.ifile->the_bfd,
+ (*ra)->input_section.section, &a_sec, (file_ptr) 0, (bfd_size_type)sizeof(a_sec)))
+ einfo ("%F%B: Can't read contents of section .idata: %E\n",
+ (*ra)->input_section.ifile->the_bfd);
+
+ if (! bfd_get_section_contents ((*rb)->input_section.ifile->the_bfd,
+ (*rb)->input_section.section, &b_sec, (file_ptr) 0, (bfd_size_type)sizeof(b_sec) ))
+ einfo ("%F%B: Can't read contents of section .idata: %E\n",
+ (*rb)->input_section.ifile->the_bfd);
+
+ i = ((a_sec < b_sec) ? -1 : 0);
+ if ( i != 0)
+ return i;
+ return ((a_sec < b_sec) ? 0 : 1);
+ }
+return 0;
+}
+
+static int
+sort_by_section_name (a, b)
+ void *a;
+ void *b;
+{
+ lang_statement_union_type **ra = a;
+ lang_statement_union_type **rb = b;
+ int i;
+ i = strcmp ((*ra)->input_section.section->name,
+ (*rb)->input_section.section->name);
+/* this is a hack to make .stab and .stabstr last, so we don't have
+ to fix strip/objcopy for .reloc sections.
+ FIXME stripping images with a .rsrc section still needs to be fixed */
+ if ( i != 0)
+ {
+ if ((strncmp ((*ra)->input_section.section->name, ".stab", 5) == 0)
+ && (strncmp ((*rb)->input_section.section->name, ".stab", 5) != 0))
+ return 1;
+ return i;
+ }
+ return i;
+}
+
+/* Subroutine of sort_sections to a contiguous subset of a list of sections.
+ NEXT_AFTER is the element after the last one to sort.
+ The result is a pointer to the last element's "next" pointer. */
+
+static lang_statement_union_type **
+sort_sections_1 (startptr, next_after, count, sort_func)
+ lang_statement_union_type **startptr,*next_after;
+ int count;
+ int (*sort_func) ();
+{
+ lang_statement_union_type **vec;
+ lang_statement_union_type *p;
+ int i;
+ lang_statement_union_type **ret;
+
+ if (count == 0)
+ return startptr;
+
+ vec = ((lang_statement_union_type **)
+ xmalloc (count * sizeof (lang_statement_union_type *)));
+
+ for (p = *startptr, i = 0; i < count; i++, p = p->next)
+ vec[i] = p;
+
+ qsort (vec, count, sizeof (vec[0]), sort_func);
+
+ /* Fill in the next pointers again. */
+ *startptr = vec[0];
+ for (i = 0; i < count - 1; i++)
+ vec[i]->header.next = vec[i + 1];
+ vec[i]->header.next = next_after;
+ ret = &vec[i]->header.next;
+ free (vec);
+ return ret;
+}
+
+/* Sort the .idata\$foo input sections of archives into filename order.
+ The reason is so dlltool can arrange to have the pe dll import information
+ generated correctly - the head of the list goes into dh.o, the tail into
+ dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
+ .idata section.
+ FIXME: This may no longer be necessary with grouped sections. Instead of
+ sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
+ .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
+ This would have to be elaborated upon to handle multiple dll's
+ [assuming such an eloboration is possible of course].
+
+ We also sort sections in '\$' wild statements. These are created by the
+ place_orphans routine to implement grouped sections. */
+
+static void
+sort_sections (s)
+ lang_statement_union_type *s;
+{
+ for (; s ; s = s->next)
+ switch (s->header.type)
+ {
+ case lang_output_section_statement_enum:
+ sort_sections (s->output_section_statement.children.head);
+ break;
+ case lang_wild_statement_enum:
+ {
+ lang_statement_union_type **p = &s->wild_statement.children.head;
+
+ /* Is this the .idata section? */
+ if (s->wild_statement.section_name != NULL
+ && strncmp (s->wild_statement.section_name, ".idata", 6) == 0)
+ {
+ /* Sort the children. We want to sort any objects in
+ the same archive. In order to handle the case of
+ including a single archive multiple times, we sort
+ all the children by archive name and then by object
+ name. After sorting them, we re-thread the pointer
+ chain. */
+
+ while (*p)
+ {
+ lang_statement_union_type *start = *p;
+ if (start->header.type != lang_input_section_enum
+ || !start->input_section.ifile->the_bfd->my_archive)
+ p = &(start->header.next);
+ else
+ {
+ lang_statement_union_type *end;
+ int count;
+
+ for (end = start, count = 0;
+ end && end->header.type == lang_input_section_enum;
+ end = end->next)
+ count++;
+
+ p = sort_sections_1 (p, end, count, sort_by_file_name);
+ }
+ }
+ break;
+ }
+
+ /* If this is a collection of grouped sections, sort them.
+ The linker script must explicitly mention "*(.foo\$)" or
+ "*(.foo\$*)". Don't sort them if \$ is not the last
+ character (not sure if this is really useful, but it
+ allows explicitly mentioning some \$ sections and letting
+ the linker handle the rest). */
+ if (s->wild_statement.section_name != NULL)
+ {
+ char *q = strchr (s->wild_statement.section_name, '\$');
+
+ if (q != NULL
+ && (q[1] == '\0'
+ || (q[1] == '*' && q[2] == '\0')))
+ {
+ lang_statement_union_type *end;
+ int count;
+
+ for (end = *p, count = 0; end; end = end->next)
+ {
+ if (end->header.type != lang_input_section_enum)
+ abort ();
+ count++;
+ }
+ (void) sort_sections_1 (p, end, count, sort_by_section_name);
+ }
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gld_${EMULATION_NAME}_before_allocation()
+{
+ extern lang_statement_list_type *stat_ptr;
+
+#ifdef TARGET_IS_ppcpe
+ /* Here we rummage through the found bfds to collect toc information */
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (!ppc_process_before_allocation(is->the_bfd, &link_info))
+ {
+ einfo("Errors encountered processing file %s\n", is->filename);
+ }
+ }
+ }
+
+ /* We have seen it all. Allocate it, and carry on */
+ ppc_allocate_toc_section (&link_info);
+#else
+#ifdef TARGET_IS_armpe
+ /* FIXME: we should be able to set the size of the interworking stub
+ section.
+
+ Here we rummage through the found bfds to collect glue
+ information. FIXME: should this be based on a command line
+ option? krk@cygnus.com */
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (!arm_process_before_allocation (is->the_bfd, & link_info))
+ {
+ einfo ("Errors encountered processing file %s", is->filename);
+ }
+ }
+ }
+
+ /* We have seen it all. Allocate it, and carry on */
+ arm_allocate_interworking_sections (& link_info);
+#endif /* TARGET_IS_armpe */
+#endif /* TARGET_IS_ppcpe */
+
+ sort_sections (stat_ptr->head);
+}
+
+/* Place an orphan section. We use this to put sections with a '\$' in them
+ into the right place. Any section with a '\$' in them (e.g. .text\$foo)
+ gets mapped to the output section with everything from the '\$' on stripped
+ (e.g. .text).
+ See the Microsoft Portable Executable and Common Object File Format
+ Specification 4.1, section 4.2, Grouped Sections.
+
+ FIXME: This is now handled by the linker script using wildcards,
+ but I'm leaving this here in case we want to enable it for sections
+ which are not mentioned in the linker script. */
+
+/*ARGSUSED*/
+static boolean
+gld${EMULATION_NAME}_place_orphan (file, s)
+ lang_input_statement_type *file;
+ asection *s;
+{
+ const char *secname;
+ char *output_secname, *ps;
+ lang_output_section_statement_type *os;
+ lang_statement_union_type *l;
+
+ if ((s->flags & SEC_ALLOC) == 0)
+ return false;
+
+ /* Don't process grouped sections unless doing a final link.
+ If they're marked as COMDAT sections, we don't want .text\$foo to
+ end up in .text and then have .text disappear because it's marked
+ link-once-discard. */
+ if (link_info.relocateable)
+ return false;
+
+ secname = bfd_get_section_name (s->owner, s);
+
+ /* Everything from the '\$' on gets deleted so don't allow '\$' as the
+ first character. */
+ if (*secname == '\$')
+ einfo ("%P%F: section %s has '\$' as first character\n", secname);
+ if (strchr (secname + 1, '\$') == NULL)
+ return false;
+
+ /* Look up the output section. The Microsoft specs say sections names in
+ image files never contain a '\$'. Fortunately, lang_..._lookup creates
+ the section if it doesn't exist. */
+ output_secname = buystring (secname);
+ ps = strchr (output_secname + 1, '\$');
+ *ps = 0;
+ os = lang_output_section_statement_lookup (output_secname);
+
+ /* Find the '\$' wild statement for this section. We currently require the
+ linker script to explicitly mention "*(.foo\$)".
+ FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
+ Microsoft docs this isn't correct so it's not (currently) handled. */
+
+ ps[0] = '\$';
+ ps[1] = 0;
+ for (l = os->children.head; l; l = l->next)
+ {
+ if (l->header.type == lang_wild_statement_enum
+ && strcmp (l->wild_statement.section_name, output_secname) == 0)
+ break;
+ }
+ ps[0] = 0;
+ if (l == NULL)
+#if 1
+ einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);
+#else /* FIXME: This block is untried. It exists to convey the intent,
+ should one decide to not require *(.foo\$) to appear in the linker
+ script. */
+ {
+ lang_wild_statement_type *new = new_stat (lang_wild_statement,
+ &os->children);
+ new->section_name = xmalloc (strlen (output_secname) + 2);
+ sprintf (new->section_name, "%s\$", output_secname);
+ new->filename = NULL;
+ lang_list_init (&new->children);
+ l = new;
+ }
+#endif
+
+ /* Link the input section in and we're done for now.
+ The sections still have to be sorted, but that has to wait until
+ all such sections have been processed by us. The sorting is done by
+ sort_sections. */
+ wild_doit (&l->wild_statement.children, s, os, file);
+
+ return true;
+}
+
+static char *
+gld_${EMULATION_NAME}_get_script(isfile)
+ int *isfile;
+EOF
+# Scripts compiled in.
+# sed commands to quote an ld script as a C string.
+sc="-f ${srcdir}/emultempl/stringify.sed"
+
+cat >>e${EMULATION_NAME}.c <<EOF
+{
+ *isfile = 0;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return
+EOF
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
+
+cat >>e${EMULATION_NAME}.c <<EOF
+
+
+struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
+{
+ gld_${EMULATION_NAME}_before_parse,
+ syslib_default,
+ hll_default,
+ after_parse_default,
+ gld_${EMULATION_NAME}_after_open,
+ after_allocation_default,
+ set_output_arch_default,
+ ldemul_default_target,
+ gld_${EMULATION_NAME}_before_allocation,
+ gld_${EMULATION_NAME}_get_script,
+ "${EMULATION_NAME}",
+ "${OUTPUT_FORMAT}",
+ NULL, /* finish */
+ NULL, /* create output section statements */
+ NULL, /* open dynamic archive */
+ gld${EMULATION_NAME}_place_orphan,
+ gld_${EMULATION_NAME}_set_symbols,
+ gld_${EMULATION_NAME}_parse_args
+};
+EOF
generated by cgit v1.1 at 2024-12-06 14:24:46 +0000