# This shell script emits a C file. -*- C -*-
-# Copyright 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2002-2019 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# MA 02110-1301, USA.
#
-# This file is sourced from elf32.em, and defines extra powerpc64-elf
+# This file is sourced from elf.em, and defines extra powerpc64-elf
# specific routines.
#
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
#include "ldctor.h"
-#include "libbfd.h"
#include "elf-bfd.h"
#include "elf64-ppc.h"
+#include "ldlex.h"
+#include "elf/ppc64.h"
+
+static asection *ppc_add_stub_section (const char *, asection *);
+static void ppc_layout_sections_again (void);
+
+static struct ppc64_elf_params params = { NULL,
+ &ppc_add_stub_section,
+ &ppc_layout_sections_again,
+ 1, -1, 0,
+ ${DEFAULT_PLT_STATIC_CHAIN-0}, -1, 5,
+ -1, 0, -1, -1, 0};
/* Fake input file for stubs. */
static lang_input_statement_type *stub_file;
-static int stub_added = 0;
/* Whether we need to call ppc_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. */
-static bfd_signed_vma group_size = 1;
-
/* Whether to add ".foo" entries for each "foo" in a version script. */
static int dotsyms = 1;
/* Whether to run opd optimization. */
static int no_opd_opt = 0;
+/* Whether to convert inline PLT calls to direct. */
+static int no_inline_opt = 0;
+
/* Whether to run toc optimization. */
static int no_toc_opt = 0;
-/* Whether to allow multiple toc sections. */
-static int no_multi_toc = 0;
-
-/* Whether to emit symbols for stubs. */
-static int emit_stub_syms = 0;
+/* Whether to sort input toc and got sections. */
+static int no_toc_sort = 0;
+/* Input .toc sections will be placed in this output section. */
+static const char *toc_section_name = ".got";
static asection *toc_section = 0;
-/* Whether to canonicalize .opd so that there are no overlapping
- .opd entries. */
-static int non_overlapping_opd = 0;
-
/* This is called before the input files are opened. We create a new
fake input file to hold the stub sections. */
static void
ppc_create_output_section_statements (void)
{
- extern const bfd_target bfd_elf64_powerpc_vec;
- extern const bfd_target bfd_elf64_powerpcle_vec;
-
- if (link_info.hash->creator != &bfd_elf64_powerpc_vec
- && link_info.hash->creator != &bfd_elf64_powerpcle_vec)
+ if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
+ && elf_object_id (link_info.output_bfd) == PPC64_ELF_DATA))
return;
link_info.wrap_char = '.';
stub_file = lang_add_input_file ("linker stubs",
lang_input_file_is_fake_enum,
NULL);
- stub_file->the_bfd = bfd_create ("linker stubs", output_bfd);
+ stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
if (stub_file->the_bfd == NULL
|| !bfd_set_arch_mach (stub_file->the_bfd,
- bfd_get_arch (output_bfd),
- bfd_get_mach (output_bfd)))
+ bfd_get_arch (link_info.output_bfd),
+ bfd_get_mach (link_info.output_bfd)))
{
- einfo ("%F%P: can not create BFD %E\n");
+ einfo (_("%F%P: can not create BFD: %E\n"));
return;
}
stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
ldlang_add_file (stub_file);
- ppc64_elf_init_stub_bfd (stub_file->the_bfd, &link_info);
+ params.stub_bfd = stub_file->the_bfd;
+ if (params.save_restore_funcs < 0)
+ params.save_restore_funcs = !bfd_link_relocatable (&link_info);
+ if (!ppc64_elf_init_stub_bfd (&link_info, ¶ms))
+ einfo (_("%F%P: can not init BFD: %E\n"));
+}
+
+/* Called after opening files but before mapping sections. */
+
+static void
+ppc_after_open (void)
+{
+ if (stub_file != NULL && link_info.relro && params.object_in_toc)
+ {
+ /* We have a .toc section that might be written to at run time.
+ Don't put .toc into the .got output section. */
+ lang_output_section_statement_type *got;
+
+ got = lang_output_section_find (".got");
+ if (got != NULL)
+ {
+ lang_statement_union_type *s;
+ for (s = got->children.head; s != NULL; s = s->header.next)
+ if (s->header.type == lang_wild_statement_enum
+ && s->wild_statement.filename == NULL)
+ {
+ struct wildcard_list **i = &s->wild_statement.section_list;
+ while (*i != NULL)
+ if (strcmp ((*i)->spec.name, ".toc") == 0)
+ *i = (*i)->next;
+ else
+ i = &(*i)->next;
+ }
+ /* Instead, .toc input sections will be mapped to the
+ read/write .toc output section. If user scripts don't
+ provide one then we'll lose toc sorting and multi-toc. */
+ toc_section_name = ".toc";
+ }
+ }
+ gld${EMULATION_NAME}_after_open ();
+}
+
+/* Move the input section statement at *U which happens to be on LIST
+ to be just before *TO. */
+
+static void
+move_input_section (lang_statement_list_type *list,
+ lang_statement_union_type **u,
+ lang_statement_union_type **to)
+{
+ lang_statement_union_type *s = *u;
+ asection *i = s->input_section.section;
+ asection *p, *n;
+
+ /* Snip the input section from the statement list. If it was the
+ last statement, fix the list tail pointer. */
+ *u = s->header.next;
+ if (*u == NULL)
+ list->tail = u;
+ /* Add it back in the new position. */
+ s->header.next = *to;
+ *to = s;
+ if (list->tail == to)
+ list->tail = &s->header.next;
+
+ /* Trim I off the bfd map_head/map_tail doubly linked lists. */
+ n = i->map_head.s;
+ p = i->map_tail.s;
+ (p != NULL ? p : i->output_section)->map_head.s = n;
+ (n != NULL ? n : i->output_section)->map_tail.s = p;
+
+ /* Add I back on in its new position. */
+ if (s->header.next->header.type == lang_input_section_enum)
+ {
+ n = s->header.next->input_section.section;
+ p = n->map_tail.s;
+ }
+ else
+ {
+ /* If the next statement is not an input section statement then
+ TO must point at the previous input section statement
+ header.next field. */
+ lang_input_section_type *prev = (lang_input_section_type *)
+ ((char *) to - offsetof (lang_statement_union_type, header.next));
+
+ ASSERT (prev->header.type == lang_input_section_enum);
+ p = prev->section;
+ n = p->map_head.s;
+ }
+ i->map_head.s = n;
+ i->map_tail.s = p;
+ (p != NULL ? p : i->output_section)->map_head.s = i;
+ (n != NULL ? n : i->output_section)->map_tail.s = i;
+}
+
+/* Sort input section statements in the linker script tree rooted at
+ LIST so that those whose owning bfd happens to have a section
+ called .init or .fini are placed first. Place any TOC sections
+ referenced by small TOC relocs next, with TOC sections referenced
+ only by bigtoc relocs last. */
+
+static void
+sort_toc_sections (lang_statement_list_type *list,
+ lang_statement_union_type **ini,
+ lang_statement_union_type **small)
+{
+ lang_statement_union_type *s, **u;
+ asection *i;
+
+ u = &list->head;
+ while ((s = *u) != NULL)
+ {
+ switch (s->header.type)
+ {
+ case lang_wild_statement_enum:
+ sort_toc_sections (&s->wild_statement.children, ini, small);
+ break;
+
+ case lang_group_statement_enum:
+ sort_toc_sections (&s->group_statement.children, ini, small);
+ break;
+
+ case lang_input_section_enum:
+ i = s->input_section.section;
+ /* Leave the stub_file .got where it is. We put the .got
+ header there. */
+ if (i->owner == stub_file->the_bfd)
+ break;
+ if (bfd_get_section_by_name (i->owner, ".init") != NULL
+ || bfd_get_section_by_name (i->owner, ".fini") != NULL)
+ {
+ if (ini != NULL && *ini != s)
+ {
+ move_input_section (list, u, ini);
+ if (small == ini)
+ small = &s->header.next;
+ ini = &s->header.next;
+ continue;
+ }
+ if (small == ini)
+ small = &s->header.next;
+ ini = &s->header.next;
+ break;
+ }
+ else if (ini == NULL)
+ ini = u;
+
+ if (ppc64_elf_has_small_toc_reloc (i))
+ {
+ if (small != NULL && *small != s)
+ {
+ move_input_section (list, u, small);
+ small = &s->header.next;
+ continue;
+ }
+ small = &s->header.next;
+ }
+ else if (small == NULL)
+ small = u;
+ break;
+
+ default:
+ break;
+ }
+ u = &s->header.next;
+ }
+}
+
+static void
+prelim_size_sections (void)
+{
+ if (expld.phase != lang_mark_phase_enum)
+ {
+ expld.phase = lang_mark_phase_enum;
+ expld.dataseg.phase = exp_seg_none;
+ one_lang_size_sections_pass (NULL, FALSE);
+ /* We must not cache anything from the preliminary sizing. */
+ lang_reset_memory_regions ();
+ }
}
static void
{
if (stub_file != NULL)
{
- if (!ppc64_elf_edit_opd (output_bfd, &link_info, no_opd_opt,
- non_overlapping_opd))
- einfo ("%X%P: can not edit %s %E\n", "opd");
+ if (!no_opd_opt
+ && !ppc64_elf_edit_opd (&link_info))
+ einfo (_("%X%P: can not edit %s: %E\n"), "opd");
- if (ppc64_elf_tls_setup (output_bfd, &link_info) && !no_tls_opt)
+ if (!no_inline_opt
+ && !bfd_link_relocatable (&link_info))
+ {
+ prelim_size_sections ();
+
+ if (!ppc64_elf_inline_plt (&link_info))
+ einfo (_("%X%P: inline PLT: %E\n"));
+ }
+
+ if (ppc64_elf_tls_setup (&link_info)
+ && !no_tls_opt)
{
/* Size the sections. This is premature, but we want to know the
TLS segment layout so that certain optimizations can be done. */
- expld.phase = lang_mark_phase_enum;
- expld.dataseg.phase = exp_dataseg_none;
- one_lang_size_sections_pass (NULL, TRUE);
-
- if (!ppc64_elf_tls_optimize (output_bfd, &link_info))
- einfo ("%X%P: TLS problem %E\n");
+ prelim_size_sections ();
- /* We must not cache anything from the preliminary sizing. */
- lang_reset_memory_regions ();
+ if (!ppc64_elf_tls_optimize (&link_info))
+ einfo (_("%X%P: TLS problem %E\n"));
}
if (!no_toc_opt
- && !link_info.relocatable
- && !ppc64_elf_edit_toc (output_bfd, &link_info))
- einfo ("%X%P: can not edit %s %E\n", "toc");
+ && !bfd_link_relocatable (&link_info))
+ {
+ prelim_size_sections ();
+
+ if (!ppc64_elf_edit_toc (&link_info))
+ einfo (_("%X%P: can not edit %s: %E\n"), "toc");
+ }
+
+ if (!no_toc_sort)
+ {
+ lang_output_section_statement_type *toc_os;
+
+ toc_os = lang_output_section_find (toc_section_name);
+ if (toc_os != NULL)
+ sort_toc_sections (&toc_os->children, NULL, NULL);
+ }
}
gld${EMULATION_NAME}_before_allocation ();
asection *stub_sec;
flagword flags;
asection *output_section;
- const char *secname;
lang_output_section_statement_type *os;
struct hook_stub_info info;
- stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name);
- if (stub_sec == NULL)
- goto err_ret;
-
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
| SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
- if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
+ stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
+ stub_sec_name, flags);
+ if (stub_sec == NULL
+ || !bfd_set_section_alignment (stub_sec, (params.plt_stub_align > 5
+ ? params.plt_stub_align
+ : params.plt_stub_align < -5
+ ? -params.plt_stub_align
+ : 5)))
goto err_ret;
output_section = input_section->output_section;
- secname = bfd_get_section_name (output_section->owner, output_section);
- os = lang_output_section_find (secname);
+ os = lang_output_section_get (output_section);
info.input_section = input_section;
lang_list_init (&info.add);
- lang_add_section (&info.add, stub_sec, os);
+ lang_add_section (&info.add, stub_sec, NULL, os);
if (info.add.head == NULL)
goto err_ret;
- stub_added = 1;
if (hook_in_stub (&info, &os->children.head))
return stub_sec;
err_ret:
- einfo ("%X%P: can not make stub section: %E\n");
+ einfo (_("%X%P: can not make stub section: %E\n"));
return NULL;
}
/* If we have changed sizes of the stub sections, then we need
to recalculate all the section offsets. This may mean we need to
add even more stubs. */
- gld${EMULATION_NAME}_map_segments (TRUE);
- need_laying_out = -1;
-}
+ ldelf_map_segments (TRUE);
+ if (!bfd_link_relocatable (&link_info))
+ ppc64_elf_set_toc (&link_info, link_info.output_bfd);
-/* Call the back-end function to set TOC base after we have placed all
- the sections. */
-static void
-gld${EMULATION_NAME}_after_allocation (void)
-{
- if (!link_info.relocatable)
- _bfd_set_gp_value (output_bfd, ppc64_elf_toc (output_bfd));
+ need_laying_out = -1;
}
{
asection *i = statement->input_section.section;
- if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
+ if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
&& (i->flags & SEC_EXCLUDE) == 0
&& i->output_section == toc_section)
- ppc64_elf_next_toc_section (&link_info, i);
+ {
+ if (!ppc64_elf_next_toc_section (&link_info, i))
+ einfo (_("%X%P: linker script separates .got and .toc\n"));
+ }
}
}
{
asection *i = statement->input_section.section;
- if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
+ if (!bfd_input_just_syms (i->owner)
&& (i->flags & SEC_EXCLUDE) == 0
&& i->output_section != NULL
- && i->output_section->owner == output_bfd)
+ && i->output_section->owner == link_info.output_bfd)
{
if (!ppc64_elf_next_input_section (&link_info, i))
- einfo ("%X%P: can not size stub section: %E\n");
+ einfo (_("%X%P: can not size stub section: %E\n"));
}
}
}
-/* Final emulation specific call. */
-
+/* Call the back-end function to set TOC base after we have placed all
+ the sections. */
static void
-gld${EMULATION_NAME}_finish (void)
+gld${EMULATION_NAME}_after_allocation (void)
{
- /* e_entry on PowerPC64 points to the function descriptor for
- _start. If _start is missing, default to the first function
- descriptor in the .opd section. */
- entry_section = ".opd";
-
- /* bfd_elf_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_discard_info (output_bfd, &link_info))
- need_laying_out = 1;
+ int ret;
/* If generating a relocatable output file, then we don't have any
stubs. */
- if (stub_file != NULL && !link_info.relocatable)
+ if (stub_file != NULL && !bfd_link_relocatable (&link_info))
{
- int ret = ppc64_elf_setup_section_lists (output_bfd, &link_info,
- no_multi_toc);
+ ret = ppc64_elf_setup_section_lists (&link_info);
if (ret < 0)
- einfo ("%X%P: can not size stub section: %E\n");
- else if (ret > 0)
+ einfo (_("%X%P: can not size stub section: %E\n"));
+ else
{
- toc_section = bfd_get_section_by_name (output_bfd, ".got");
- if (toc_section != NULL)
+ ppc64_elf_start_multitoc_partition (&link_info);
+
+ if (!params.no_multi_toc)
+ {
+ toc_section = bfd_get_section_by_name (link_info.output_bfd,
+ toc_section_name);
+ if (toc_section != NULL)
+ lang_for_each_statement (build_toc_list);
+ }
+
+ if (ppc64_elf_layout_multitoc (&link_info)
+ && !params.no_multi_toc
+ && toc_section != NULL)
lang_for_each_statement (build_toc_list);
- ppc64_elf_reinit_toc (output_bfd, &link_info);
+ ppc64_elf_finish_multitoc_partition (&link_info);
lang_for_each_statement (build_section_lists);
+ if (!ppc64_elf_check_init_fini (&link_info))
+ einfo (_("%P: .init/.fini fragments use differing TOC pointers\n"));
+
/* Call into the BFD backend to do the real work. */
- if (!ppc64_elf_size_stubs (output_bfd,
- &link_info,
- group_size,
- &ppc_add_stub_section,
- &ppc_layout_sections_again))
- einfo ("%X%P: can not size stub section: %E\n");
+ if (!ppc64_elf_size_stubs (&link_info))
+ einfo (_("%X%P: can not size stub section: %E\n"));
}
}
- if (need_laying_out != -1)
- gld${EMULATION_NAME}_map_segments (need_laying_out);
-
- if (link_info.relocatable)
+ /* We can't parse and merge .eh_frame until the glink .eh_frame has
+ been generated. Otherwise the glink .eh_frame CIE won't be
+ merged with other CIEs, and worse, the glink .eh_frame FDEs won't
+ be listed in .eh_frame_hdr. */
+ ret = bfd_elf_discard_info (link_info.output_bfd, &link_info);
+ if (ret < 0)
{
- asection *toc = bfd_get_section_by_name (output_bfd, ".toc");
- if (toc != NULL
- && bfd_section_size (output_bfd, toc) > 0x10000)
- einfo ("%X%P: TOC section size exceeds 64k\n");
+ einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
+ return;
}
+ else if (ret > 0)
+ need_laying_out = 1;
- if (stub_added)
- {
- char *msg = NULL;
- char *line, *endline;
+ /* Call map_segments regardless of the state of need_laying_out.
+ need_laying_out set to -1 means we have just laid everything out,
+ but ppc64_elf_size_stubs strips .branch_lt and .eh_frame if
+ unneeded, after ppc_layout_sections_again. Another call removes
+ these sections from the segment map. Their presence is
+ innocuous except for confusing ELF_SECTION_IN_SEGMENT. */
+ ldelf_map_segments (need_laying_out > 0);
- emit_stub_syms |= link_info.emitrelocations;
- if (!ppc64_elf_build_stubs (emit_stub_syms, &link_info,
- config.stats ? &msg : NULL))
- einfo ("%X%P: can not build stubs: %E\n");
+ if (need_laying_out != -1 && !bfd_link_relocatable (&link_info))
+ ppc64_elf_set_toc (&link_info, link_info.output_bfd);
+}
- for (line = msg; line != NULL; line = endline)
- {
- endline = strchr (line, '\n');
- if (endline != NULL)
- *endline++ = '\0';
- fprintf (stderr, "%s: %s\n", program_name, line);
- }
- if (msg != NULL)
- free (msg);
+
+/* Final emulation specific call. */
+
+static void
+gld${EMULATION_NAME}_finish (void)
+{
+ char *msg = NULL;
+ char *line, *endline;
+
+ /* e_entry on PowerPC64 points to the function descriptor for
+ _start. If _start is missing, default to the first function
+ descriptor in the .opd section. */
+ if (stub_file != NULL
+ && (elf_elfheader (link_info.output_bfd)->e_flags & EF_PPC64_ABI) == 1)
+ entry_section = ".opd";
+
+ if (params.emit_stub_syms < 0)
+ params.emit_stub_syms = 1;
+ if (stub_file != NULL
+ && !bfd_link_relocatable (&link_info)
+ && !ppc64_elf_build_stubs (&link_info, config.stats ? &msg : NULL))
+ einfo (_("%X%P: can not build stubs: %E\n"));
+
+ fflush (stdout);
+ for (line = msg; line != NULL; line = endline)
+ {
+ endline = strchr (line, '\n');
+ if (endline != NULL)
+ *endline++ = '\0';
+ fprintf (stderr, "%s: %s\n", program_name, line);
}
+ fflush (stderr);
+ if (msg != NULL)
+ free (msg);
- ppc64_elf_restore_symbols (&link_info);
finish_default ();
}
char *dot_pat;
if (!dotsyms
- || (entry->pattern != NULL
- && (entry->pattern[0] == '*' || entry->pattern[0] == '.')))
+ || entry->pattern[0] == '.'
+ || (!entry->literal && entry->pattern[0] == '*'))
return entry;
dot_entry = xmalloc (sizeof *dot_entry);
*dot_entry = *entry;
dot_entry->next = entry;
- if (entry->pattern != NULL)
- {
- len = strlen (entry->pattern) + 2;
- dot_pat = xmalloc (len);
- dot_pat[0] = '.';
- memcpy (dot_pat + 1, entry->pattern, len - 1);
- dot_entry->pattern = dot_pat;
- }
- if (entry->symbol != NULL)
- {
- len = strlen (entry->symbol) + 2;
- dot_pat = xmalloc (len);
- dot_pat[0] = '.';
- memcpy (dot_pat + 1, entry->symbol, len - 1);
- dot_entry->symbol = dot_pat;
- }
+ len = strlen (entry->pattern) + 2;
+ dot_pat = xmalloc (len);
+ dot_pat[0] = '.';
+ memcpy (dot_pat + 1, entry->pattern, len - 1);
+ dot_entry->pattern = dot_pat;
+ dot_entry->script = 1;
return dot_entry;
}
-
-/* Avoid processing the fake stub_file in vercheck, stat_needed and
- check_needed routines. */
-
-static void (*real_func) (lang_input_statement_type *);
-
-static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l)
-{
- if (l != stub_file)
- (*real_func) (l);
-}
-
-static void
-ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
-{
- real_func = func;
- lang_for_each_input_file (&ppc_for_each_input_file_wrapper);
-}
-
-#define lang_for_each_input_file ppc_lang_for_each_input_file
-
EOF
if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
/* Special handling for embedded SPU executables. */
extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *);
-static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *);
static bfd_boolean
ppc64_recognized_file (lang_input_statement_type *entry)
if (embedded_spu_file (entry, "-m64"))
return TRUE;
- return gld${EMULATION_NAME}_load_symbols (entry);
+ return ldelf_load_symbols (entry);
}
EOF
LDEMUL_RECOGNIZED_FILE=ppc64_recognized_file
# Define some shell vars to insert bits of code into the standard elf
# parse_args and list_options functions.
#
-PARSE_AND_LIST_PROLOGUE='
-#define OPTION_STUBGROUP_SIZE 301
-#define OPTION_STUBSYMS (OPTION_STUBGROUP_SIZE + 1)
-#define OPTION_DOTSYMS (OPTION_STUBSYMS + 1)
-#define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
-#define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
-#define OPTION_NO_OPD_OPT (OPTION_NO_TLS_OPT + 1)
-#define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1)
-#define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1)
-#define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_MULTI_TOC + 1)
+PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
+enum ppc64_opt
+{
+ OPTION_STUBGROUP_SIZE = 321,
+ OPTION_PLT_STATIC_CHAIN,
+ OPTION_NO_PLT_STATIC_CHAIN,
+ OPTION_PLT_THREAD_SAFE,
+ OPTION_NO_PLT_THREAD_SAFE,
+ OPTION_PLT_ALIGN,
+ OPTION_NO_PLT_ALIGN,
+ OPTION_PLT_LOCALENTRY,
+ OPTION_NO_PLT_LOCALENTRY,
+ OPTION_STUBSYMS,
+ OPTION_NO_STUBSYMS,
+ OPTION_SAVRES,
+ OPTION_NO_SAVRES,
+ OPTION_DOTSYMS,
+ OPTION_NO_DOTSYMS,
+ OPTION_NO_TLS_OPT,
+ OPTION_TLS_GET_ADDR_OPT,
+ OPTION_NO_TLS_GET_ADDR_OPT,
+ OPTION_NO_OPD_OPT,
+ OPTION_NO_INLINE_OPT,
+ OPTION_NO_TOC_OPT,
+ OPTION_NO_MULTI_TOC,
+ OPTION_NO_TOC_SORT,
+ OPTION_NON_OVERLAPPING_OPD
+};
'
-PARSE_AND_LIST_LONGOPTS='
+PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
+ { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
+ { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
+ { "plt-thread-safe", no_argument, NULL, OPTION_PLT_THREAD_SAFE },
+ { "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE },
+ { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
+ { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
+ { "plt-localentry", optional_argument, NULL, OPTION_PLT_LOCALENTRY },
+ { "no-plt-localentry", no_argument, NULL, OPTION_NO_PLT_LOCALENTRY },
{ "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
+ { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
{ "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
{ "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
+ { "save-restore-funcs", no_argument, NULL, OPTION_SAVRES },
+ { "no-save-restore-funcs", no_argument, NULL, OPTION_NO_SAVRES },
{ "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
+ { "tls-get-addr-optimize", no_argument, NULL, OPTION_TLS_GET_ADDR_OPT },
+ { "no-tls-get-addr-optimize", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_OPT },
{ "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT },
+ { "no-inline-optimize", no_argument, NULL, OPTION_NO_INLINE_OPT },
{ "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT },
{ "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC },
+ { "no-toc-sort", no_argument, NULL, OPTION_NO_TOC_SORT },
{ "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD },
'
-PARSE_AND_LIST_OPTIONS='
+PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
+ fprintf (file, _("\
+ --stub-group-size=N Maximum size of a group of input sections that\n\
+ can be handled by one stub section. A negative\n\
+ value locates all stubs before their branches\n\
+ (with a group size of -N), while a positive\n\
+ value allows two groups of input sections, one\n\
+ before, and one after each stub section.\n\
+ Values of +/-1 indicate the linker should\n\
+ choose suitable defaults.\n"
+ ));
+ fprintf (file, _("\
+ --plt-static-chain PLT call stubs should load r11'${DEFAULT_PLT_STATIC_CHAIN- (default)}'\n"
+ ));
+ fprintf (file, _("\
+ --no-plt-static-chain PLT call stubs should not load r11'${DEFAULT_PLT_STATIC_CHAIN+ (default)}'\n"
+ ));
+ fprintf (file, _("\
+ --plt-thread-safe PLT call stubs with load-load barrier\n"
+ ));
+ fprintf (file, _("\
+ --no-plt-thread-safe PLT call stubs without barrier\n"
+ ));
+ fprintf (file, _("\
+ --plt-align [=<align>] Align PLT call stubs to fit cache lines\n"
+ ));
+ fprintf (file, _("\
+ --no-plt-align Dont'\''t align individual PLT call stubs\n"
+ ));
+ fprintf (file, _("\
+ --plt-localentry Optimize calls to ELFv2 localentry:0 functions\n"
+ ));
+ fprintf (file, _("\
+ --no-plt-localentry Don'\''t optimize ELFv2 calls\n"
+ ));
+ fprintf (file, _("\
+ --emit-stub-syms Label linker stubs with a symbol\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.\n"
+ --no-emit-stub-syms Don'\''t label linker stubs with a symbol\n"
));
fprintf (file, _("\
- --emit-stub-syms Label linker stubs with a symbol.\n"
+ --dotsyms For every version pattern \"foo\" in a version\n\
+ script, add \".foo\" so that function code\n\
+ symbols are treated the same as function\n\
+ descriptor symbols. Defaults to on.\n"
));
fprintf (file, _("\
- --dotsyms For every version pattern \"foo\" in a version script,\n\
- add \".foo\" so that function code symbols are\n\
- treated the same as function descriptor symbols.\n\
- Defaults to on.\n"
+ --no-dotsyms Don'\''t do anything special in version scripts\n"
));
fprintf (file, _("\
- --no-dotsyms Don'\''t do anything special in version scripts.\n"
+ --save-restore-funcs Provide register save and restore routines used\n\
+ by gcc -Os code. Defaults to on for normal\n\
+ final link, off for ld -r.\n"
));
fprintf (file, _("\
- --no-tls-optimize Don'\''t try to optimize TLS accesses.\n"
+ --no-save-restore-funcs Don'\''t provide these routines\n"
));
fprintf (file, _("\
- --no-opd-optimize Don'\''t optimize the OPD section.\n"
+ --no-tls-optimize Don'\''t try to optimize TLS accesses\n"
));
fprintf (file, _("\
- --no-toc-optimize Don'\''t optimize the TOC section.\n"
+ --tls-get-addr-optimize Force use of special __tls_get_addr call\n"
));
fprintf (file, _("\
- --no-multi-toc Disallow automatic multiple toc sections.\n"
+ --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call\n"
));
fprintf (file, _("\
- --non-overlapping-opd Canonicalize .opd, so that there are no overlapping\n\
- .opd entries.\n"
+ --no-opd-optimize Don'\''t optimize the OPD section\n"
+ ));
+ fprintf (file, _("\
+ --no-inline-optimize Don'\''t convert inline PLT to direct calls\n"
+ ));
+ fprintf (file, _("\
+ --no-toc-optimize Don'\''t optimize the TOC section\n"
+ ));
+ fprintf (file, _("\
+ --no-multi-toc Disallow automatic multiple toc sections\n"
+ ));
+ fprintf (file, _("\
+ --no-toc-sort Don'\''t sort TOC and GOT sections\n"
+ ));
+ fprintf (file, _("\
+ --non-overlapping-opd Canonicalize .opd, so that there are no\n\
+ overlapping .opd entries\n"
));
'
-PARSE_AND_LIST_ARGS_CASES='
+PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LIST_ARGS_CASES}'
case OPTION_STUBGROUP_SIZE:
{
const char *end;
- group_size = bfd_scan_vma (optarg, &end, 0);
- if (*end)
- einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
+ params.group_size = bfd_scan_vma (optarg, &end, 0);
+ if (*end)
+ einfo (_("%F%P: invalid number `%s'\''\n"), optarg);
}
break;
+ case OPTION_PLT_STATIC_CHAIN:
+ params.plt_static_chain = 1;
+ break;
+
+ case OPTION_NO_PLT_STATIC_CHAIN:
+ params.plt_static_chain = 0;
+ break;
+
+ case OPTION_PLT_THREAD_SAFE:
+ params.plt_thread_safe = 1;
+ break;
+
+ case OPTION_NO_PLT_THREAD_SAFE:
+ params.plt_thread_safe = 0;
+ break;
+
+ case OPTION_PLT_ALIGN:
+ if (optarg != NULL)
+ {
+ char *end;
+ long val = strtol (optarg, &end, 0);
+ if (*end || (unsigned long) val + 8 > 16)
+ einfo (_("%F%P: invalid --plt-align `%s'\''\n"), optarg);
+ params.plt_stub_align = val;
+ }
+ else
+ params.plt_stub_align = 5;
+ break;
+
+ case OPTION_NO_PLT_ALIGN:
+ params.plt_stub_align = 0;
+ break;
+
+ case OPTION_PLT_LOCALENTRY:
+ params.plt_localentry0 = 1;
+ break;
+
+ case OPTION_NO_PLT_LOCALENTRY:
+ params.plt_localentry0 = 0;
+ break;
+
case OPTION_STUBSYMS:
- emit_stub_syms = 1;
+ params.emit_stub_syms = 1;
+ break;
+
+ case OPTION_NO_STUBSYMS:
+ params.emit_stub_syms = 0;
break;
case OPTION_DOTSYMS:
dotsyms = 0;
break;
+ case OPTION_SAVRES:
+ params.save_restore_funcs = 1;
+ break;
+
+ case OPTION_NO_SAVRES:
+ params.save_restore_funcs = 0;
+ break;
+
case OPTION_NO_TLS_OPT:
no_tls_opt = 1;
break;
+ case OPTION_TLS_GET_ADDR_OPT:
+ params.tls_get_addr_opt = 1;
+ break;
+
+ case OPTION_NO_TLS_GET_ADDR_OPT:
+ params.tls_get_addr_opt = 0;
+ break;
+
case OPTION_NO_OPD_OPT:
no_opd_opt = 1;
break;
+ case OPTION_NO_INLINE_OPT:
+ no_inline_opt = 1;
+ break;
+
case OPTION_NO_TOC_OPT:
no_toc_opt = 1;
break;
case OPTION_NO_MULTI_TOC:
- no_multi_toc = 1;
+ params.no_multi_toc = 1;
+ break;
+
+ case OPTION_NO_TOC_SORT:
+ no_toc_sort = 1;
break;
case OPTION_NON_OVERLAPPING_OPD:
- non_overlapping_opd = 1;
+ params.non_overlapping_opd = 1;
break;
+
+ case OPTION_TRADITIONAL_FORMAT:
+ no_tls_opt = 1;
+ params.tls_get_addr_opt = 0;
+ no_opd_opt = 1;
+ no_toc_opt = 1;
+ params.no_multi_toc = 1;
+ no_toc_sort = 1;
+ params.plt_static_chain = 1;
+ return FALSE;
'
# Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation
#
+LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern
+LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
+LDEMUL_AFTER_OPEN=ppc_after_open
LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
LDEMUL_FINISH=gld${EMULATION_NAME}_finish
-LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
-LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern
projects / thirdparty / binutils-gdb.git / blobdiff