# This shell script emits a C file. -*- C -*-
-# Copyright 1991, 1993, 1994, 1997, 1999, 2000, 2001
+# Copyright 1991, 1993, 1994, 1997, 1999, 2000, 2001, 2002, 2003
# Free Software Foundation, Inc.
#
# This file is part of GLD, the Gnu Linker.
#include "ldctor.h"
#include "elf32-hppa.h"
-static void hppaelf_after_parse PARAMS((void));
+static void hppaelf_after_parse PARAMS ((void));
static void hppaelf_create_output_section_statements PARAMS ((void));
static asection *hppaelf_add_stub_section
PARAMS ((const char *, asection *));
-static void hppaelf_layaout_sections_again PARAMS ((void));
-static void hppaelf_finish PARAMS ((void));
+static void hppaelf_layout_sections_again PARAMS ((void));
+static void gld${EMULATION_NAME}_finish PARAMS ((void));
+static void build_section_lists PARAMS ((lang_statement_union_type *));
/* Fake input file for stubs. */
stubs. */
static int multi_subspace = 0;
+/* Whether we need to call hppa_layout_sections_again. */
+static int need_laying_out = 0;
+
/* Maximum size of a group of input sections that can be handled by
one stub section. A value of +/-1 indicates the bfd back-end
should use a suitable default size. */
{
if (link_info.relocateable)
lang_add_unique (".text");
-#if 0 /* enable this once we split millicode stuff from libgcc */
+#if 0 /* Enable this once we split millicode stuff from libgcc. */
else
lang_add_input_file ("milli",
lang_input_file_is_l_enum,
/* Traverse the linker tree to find the spot where the stub goes. */
-static boolean hook_in_stub
+static bfd_boolean hook_in_stub
PARAMS ((struct hook_stub_info *, lang_statement_union_type **));
-static boolean
+static bfd_boolean
hook_in_stub (info, lp)
struct hook_stub_info *info;
lang_statement_union_type **lp;
{
lang_statement_union_type *l;
- boolean ret;
+ bfd_boolean ret;
- for (; (l = *lp) != NULL; lp = &l->next)
+ for (; (l = *lp) != NULL; lp = &l->header.next)
{
switch (l->header.type)
{
before its associated input section. */
*lp = info->add.head;
*(info->add.tail) = l;
- return true;
+ return TRUE;
}
break;
break;
}
}
- return false;
+ return FALSE;
}
/* Another call-back for elf32_hppa_size_stubs. */
static void
-hppaelf_layaout_sections_again ()
+hppaelf_layout_sections_again ()
{
/* If we have changed sizes of the stub sections, then we need
to recalculate all the section offsets. This may mean we need to
add even more stubs. */
+ need_laying_out = 0;
+
+ lang_reset_memory_regions ();
/* Resize the sections. */
lang_size_sections (stat_ptr->head, abs_output_section,
- &stat_ptr->head, 0, (bfd_vma) 0, false);
+ &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE);
/* Redo special stuff. */
ldemul_after_allocation ();
/* Do the assignments again. */
lang_do_assignments (stat_ptr->head, abs_output_section,
- (fill_type) 0, (bfd_vma) 0);
+ (fill_type *) 0, (bfd_vma) 0);
+}
+
+
+static void
+build_section_lists (statement)
+ lang_statement_union_type *statement;
+{
+ if (statement->header.type == lang_input_section_enum
+ && !statement->input_section.ifile->just_syms_flag
+ && statement->input_section.section->output_section != NULL
+ && statement->input_section.section->output_section->owner == output_bfd)
+ {
+ elf32_hppa_next_input_section (&link_info,
+ statement->input_section.section);
+ }
}
to build linker stubs. */
static void
-hppaelf_finish ()
+gld${EMULATION_NAME}_finish ()
{
+ /* bfd_elf32_discard_info just plays with debugging sections,
+ ie. doesn't affect any code, so we can delay resizing the
+ sections. It's likely we'll resize everything in the process of
+ adding stubs. */
+ if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info))
+ need_laying_out = 1;
+
/* If generating a relocatable output file, then we don't
have to examine the relocs. */
- if (link_info.relocateable)
- return;
-
- /* Call into the BFD backend to do the real work. */
- if (! elf32_hppa_size_stubs (output_bfd,
- stub_file->the_bfd,
- &link_info,
- multi_subspace,
- group_size,
- &hppaelf_add_stub_section,
- &hppaelf_layaout_sections_again))
+ if (! link_info.relocateable)
{
- einfo ("%X%P: can not size stub section: %E\n");
- return;
- }
+ int ret = elf32_hppa_setup_section_lists (output_bfd, &link_info);
- /* Set the global data pointer. */
- if (! elf32_hppa_set_gp (output_bfd, &link_info))
- {
- einfo ("%X%P: can not set gp\n");
- return;
+ if (ret != 0)
+ {
+ if (ret < 0)
+ {
+ einfo ("%X%P: can not size stub section: %E\n");
+ return;
+ }
+
+ lang_for_each_statement (build_section_lists);
+
+ /* Call into the BFD backend to do the real work. */
+ if (! elf32_hppa_size_stubs (output_bfd,
+ stub_file->the_bfd,
+ &link_info,
+ multi_subspace,
+ group_size,
+ &hppaelf_add_stub_section,
+ &hppaelf_layout_sections_again))
+ {
+ einfo ("%X%P: can not size stub section: %E\n");
+ return;
+ }
+ }
}
- /* Now build the linker stubs. */
- if (stub_file->the_bfd->sections != NULL)
+ if (need_laying_out)
+ hppaelf_layout_sections_again ();
+
+ if (! link_info.relocateable)
{
- if (! elf32_hppa_build_stubs (&link_info))
- einfo ("%X%P: can not build stubs: %E\n");
+ /* Set the global data pointer. */
+ if (! elf32_hppa_set_gp (output_bfd, &link_info))
+ {
+ einfo ("%X%P: can not set gp\n");
+ return;
+ }
+
+ /* Now build the linker stubs. */
+ if (stub_file->the_bfd->sections != NULL)
+ {
+ if (! elf32_hppa_build_stubs (&link_info))
+ einfo ("%X%P: can not build stubs: %E\n");
+ }
}
}
#define OPTION_STUBGROUP_SIZE (OPTION_MULTI_SUBSPACE + 1)
'
-# The options are repeated below so that no abbreviations are allowed.
-# Otherwise -s matches stub-group-size
PARSE_AND_LIST_LONGOPTS='
{ "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
- { "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
- { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
'
PARSE_AND_LIST_OPTIONS='
fprintf (file, _("\
- --multi-subspace Generate import and export stubs to support\n\
- multiple sub-space shared libraries\n"
+ --multi-subspace Generate import and export stubs to support\n\
+ multiple sub-space shared libraries\n"
));
fprintf (file, _("\
- --stub-group-size=N Maximum size of a group of input sections that can be\n\
- handled by one stub section. A negative value\n\
- locates all stubs before their branches (with a\n\
- group size of -N), while a positive value allows\n\
- two groups of input sections, one before, and one\n\
- after each stub section. Values of +/-1 indicate\n\
- the linker should choose suitable defaults."
+ --stub-group-size=N Maximum size of a group of input sections that can be\n\
+ handled by one stub section. A negative value\n\
+ locates all stubs before their branches (with a\n\
+ group size of -N), while a positive value allows\n\
+ two groups of input sections, one before, and one\n\
+ after each stub section. Values of +/-1 indicate\n\
+ the linker should choose suitable defaults.\n"
));
'
# Put these extra hppaelf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_AFTER_PARSE=hppaelf_after_parse
-LDEMUL_FINISH=hppaelf_finish
+LDEMUL_FINISH=gld${EMULATION_NAME}_finish
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=hppaelf_create_output_section_statements
projects / deliverable / binutils-gdb.git / blobdiff