--- /dev/null
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+cat >e${EMULATION_NAME}.c <<EOF
+/* For WINDOWS_NT */
+/* The original file generated returned different default scripts depending
+ on whether certain switches were set, but these switches pertain to the
+ Linux system and that particular version of coff. In the NT case, we
+ only determine if the subsystem is console or windows in order to select
+ the correct entry point by default. */
+
+
+/* This file is part of GLD, the Gnu Linker.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "bfdlink.h"
+#include "getopt.h"
+#include "ld.h"
+#include "config.h"
+#include "ld.h"
+#include "ldmain.h"
+#include "ldgram.h"
+#include "ldexp.h"
+#include "ldlang.h"
+#include "ldemul.h"
+#include "ldlex.h"
+#include "ldmisc.h"
+#include "ldctor.h"
+#include "ldfile.h"
+#include "coff/internal.h"
+#include "../bfd/libcoff.h"
+
+static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
+static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *isfile));
+
+
+static struct internal_extra_pe_aouthdr pe;
+static int dll;
+
+static void
+gld_${EMULATION_NAME}_before_parse()
+{
+ ldfile_output_architecture = bfd_arch_${ARCH};
+}
+
+
+/* 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__", NT_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__", 0x100000),
+ 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),
+ 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 ()
+{
+ int i;
+ static struct
+ {
+ char *name ;
+ int value;
+ }
+ v[] =
+ {
+ {"native", BFD_PE_NATIVE},
+ {"windows",BFD_PE_WINDOWS},
+ {"console",BFD_PE_CONSOLE},
+ {"os2",BFD_PE_OS2},
+ {"posix", BFD_PE_POSIX},
+ {0,0}
+ };
+
+ for (i = 0; v[i].name; i++)
+ {
+ if (!strcmp (optarg, v[i].name))
+ {
+ set_pe_name ("__subsystem__", v[i].value);
+ 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, 16));
+ 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;
+{
+ char *begin_commit;
+ char *end;
+
+ 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;
+ opterr = 0;
+ optc = getopt_long_only (argc, argv, "-", longopts, &longind);
+ opterr = prevopterr;
+ switch (optc)
+ {
+ default:
+ optind = prevoptind;
+ return 0;
+
+ case OPTION_BASE_FILE:
+ link_info.base_file = (PTR) fopen (optarg,"w");
+ 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 ("__heap_reserve__", "__heap_commit__");
+ break;
+ case OPTION_STACK:
+ set_pe_stack_heap ("__stack_reserve__", "__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_subsytem_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;
+}
+
+static void
+gld_${EMULATION_NAME}_set_symbols()
+{
+
+ /* Run through and invent symbols for all the
+ names and insert the defaults. */
+ int j;
+
+ if (!init[IMAGEBASEOFF].inited)
+ init[IMAGEBASEOFF].value = init[DLLOFF].value
+ ? NT_DLL_IMAGE_BASE : NT_EXE_IMAGE_BASE;
+
+ for (j = 0; init[j].ptr; j++)
+ {
+ long val = init[j].value;
+ lang_add_assignment (exp_assop ('=' ,init[j].symbol, exp_intop (val)));
+ if (init[j].size == sizeof(short))
+ *(short *)init[j].ptr = val;
+ else if (init[j].size == sizeof(int))
+ *(int *)init[j].ptr = val;
+ else if (init[j].size == sizeof(long))
+ *(long *)init[j].ptr = val;
+ else abort();
+ }
+
+ if (pe.FileAlignment >
+ pe.SectionAlignment)
+ {
+ einfo ("%P: warning, file alignment > section alignment.\n");
+ }
+}
+
+static void
+gld_${EMULATION_NAME}_after_open()
+{
+ /* Pass the wacky PE command line options into the output bfd */
+ struct internal_extra_pe_aouthdr *i;
+ 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 function for qsort in sort_sections. */
+
+static int sfunc (a, b)
+void *a;
+void *b;
+{
+ lang_statement_union_type **ra = a;
+ lang_statement_union_type **rb = b;
+ return strcmp ((*ra)->input_section.ifile->filename,
+ (*rb)->input_section.ifile->filename);
+}
+
+/* Sort the input sections of archives into filename order. */
+\f
+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;
+
+ /* Sort any children in the same archive. Run through all
+ the children of this wild statement, when an
+ input_section in an archive is found, scan forward to
+ find all input_sections which are in the same archive.
+ Sort them by their filename and then 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 **vec;
+ lang_statement_union_type *end;
+ lang_statement_union_type *np;
+ int count;
+ int i;
+
+ for (end = start, count = 0;
+ end && end->header.type == lang_input_section_enum
+ && (end->input_section.ifile->the_bfd->my_archive
+ == start->input_section.ifile->the_bfd->my_archive);
+ end = end->next)
+ count++;
+
+ np = end;
+
+ vec = (lang_statement_union_type **)
+ alloca (count * sizeof (lang_statement_union_type *));
+
+ for (end = start, i = 0; i < count; i++, end = end->next)
+ vec[i] = end;
+
+ qsort (vec, count, sizeof (vec[0]), sfunc);
+
+ /* Fill in the next pointers again. */
+ *p = vec[0];
+ for (i = 0; i < count - 1; i++)
+ vec[i]->header.next = vec[i + 1];
+ vec[i]->header.next = np;
+ p = &(vec[i]->header.next);
+ }
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+gld_${EMULATION_NAME}_before_allocation()
+{
+ extern lang_statement_list_type *stat_ptr;
+ sort_sections (*stat_ptr);
+}
+
+static char *
+gld_${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 */
+ NULL, /* place orphan */
+ gld_${EMULATION_NAME}_set_symbols,
+ gld_${EMULATION_NAME}_parse_args
+};
+EOF
+
projects / deliverable / binutils-gdb.git / commitdiff
