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devkitA64: remove stale patches

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This commit is contained in:
Dave Murphy 2024-11-05 11:39:21 +00:00
parent 57928f194f
commit 6ea8070246
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3 changed files with 0 additions and 1377 deletions
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507
dka64/patches/binutils-2.41.patch
View File

@ -1,507 +0,0 @@
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index ec856764519..436098cbcc2 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1966,6 +1966,14 @@ struct output_elf_obj_tdata
asection *sec;
} package_metadata;
+ /* Data for .nx-module-name. */
+ struct
+ {
+ bool (*after_write_object_contents) (bfd *);
+ const char *name;
+ asection *sec;
+ } nx_module_name;
+
/* Records the result of `get_program_header_size'. */
bfd_size_type program_header_size;
diff --git a/bfd/elf.c b/bfd/elf.c
index d38e0afff2e..372e6615931 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -7321,6 +7321,14 @@ _bfd_elf_write_object_contents (bfd *abfd)
if (!bed->s->write_shdrs_and_ehdr (abfd))
return false;
+ /* Write out the NX module name. */
+ if (t->o->nx_module_name.after_write_object_contents != NULL)
+ {
+ failed = !(*t->o->nx_module_name.after_write_object_contents) (abfd);
+ if (failed)
+ return false;
+ }
+
/* This is last since write_shdrs_and_ehdr can touch i_shdrp[0]. */
if (t->o->build_id.after_write_object_contents != NULL
&& !(*t->o->build_id.after_write_object_contents) (abfd))
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 4592bd6da27..dc27042cfe2 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -2441,6 +2441,12 @@ enum elf_aarch64_stub_type
aarch64_stub_erratum_843419_veneer,
};
+/* Is an undefined weak symbol resolved to 0 ? */
+#define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
+ ((EH)->root.root.type == bfd_link_hash_undefweak \
+ && bfd_link_executable (INFO) \
+ && !(INFO)->dynamic_undefined_weak)
+
struct elf_aarch64_stub_hash_entry
{
/* Base hash table entry structure. */
@@ -6916,11 +6922,13 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
Elf_Internal_Sym *sym;
asection *sec;
struct elf_link_hash_entry *h;
+ struct elf_aarch64_link_hash_entry *eh;
bfd_vma relocation;
bfd_reloc_status_type r;
arelent bfd_reloc;
char sym_type;
bool unresolved_reloc = false;
+ bool resolved_to_zero = false;
char *error_message = NULL;
r_symndx = ELFNN_R_SYM (rel->r_info);
@@ -7060,6 +7068,10 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
h, &unresolved_reloc,
save_addend, &addend, sym);
+ eh = (struct elf_aarch64_link_hash_entry *) h;
+ resolved_to_zero = (eh != NULL
+ && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
+
switch (elfNN_aarch64_bfd_reloc_from_type (input_bfd, r_type))
{
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
@@ -7083,7 +7095,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
need_relocs =
(!bfd_link_executable (info) || indx != 0) &&
(h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak);
BFD_ASSERT (globals->root.srelgot != NULL);
@@ -7178,7 +7190,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
need_relocs =
(!bfd_link_executable (info) || indx != 0) &&
(h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak);
BFD_ASSERT (globals->root.srelgot != NULL);
@@ -7227,7 +7239,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
bfd_vma off = symbol_tlsdesc_got_offset (input_bfd, h, r_symndx);
need_relocs = (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak);
BFD_ASSERT (globals->root.srelgot != NULL);
@@ -7553,6 +7565,23 @@ need_copy_relocation_p (struct elf_aarch64_link_hash_entry *eh)
return false;
}
+/* Remove undefined weak symbol from the dynamic symbol table if it
+ is resolved to 0. */
+
+static bool
+elfNN_aarch64_elf_fixup_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ if (h->dynindx != -1
+ && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, elf_aarch64_hash_entry (h)))
+ {
+ h->dynindx = -1;
+ _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
+ h->dynstr_index);
+ }
+ return true;
+}
+
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
@@ -8771,6 +8800,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
struct elf_aarch64_link_hash_table *htab;
struct elf_aarch64_link_hash_entry *eh;
struct elf_dyn_relocs *p;
+ bool resolved_to_zero;
/* An example of a bfd_link_hash_indirect symbol is versioned
symbol. For example: __gxx_personality_v0(bfd_link_hash_indirect)
@@ -8790,6 +8820,10 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
info = (struct bfd_link_info *) inf;
htab = elf_aarch64_hash_table (info);
+ eh = (struct elf_aarch64_link_hash_entry *) h;
+ eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
+ resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
+
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
here if it is defined and referenced in a non-shared object. */
if (h->type == STT_GNU_IFUNC
@@ -8799,7 +8833,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1 && !h->forced_local
+ if (h->dynindx == -1 && !h->forced_local && !resolved_to_zero
&& h->root.type == bfd_link_hash_undefweak)
{
if (!bfd_elf_link_record_dynamic_symbol (info, h))
@@ -8833,6 +8867,11 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
of relaxing into these from the large model PLT entries. */
s->size += htab->plt_entry_size;
+ /* There should be no PLT relocations against resolved undefined
+ weak symbols in the executable. */
+ if (!resolved_to_zero)
+ {
+
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
htab->root.sgotplt->size += GOT_ENTRY_SIZE;
@@ -8861,6 +8900,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
htab->variant_pcs = 1;
}
+ }
else
{
h->plt.offset = (bfd_vma) - 1;
@@ -8873,9 +8913,6 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
h->needs_plt = 0;
}
- eh = (struct elf_aarch64_link_hash_entry *) h;
- eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
-
if (h->got.refcount > 0)
{
bool dyn;
@@ -8887,7 +8924,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
- if (dyn && h->dynindx == -1 && !h->forced_local
+ if (dyn && h->dynindx == -1 && !h->forced_local && !resolved_to_zero
&& h->root.type == bfd_link_hash_undefweak)
{
if (!bfd_elf_link_record_dynamic_symbol (info, h))
@@ -8901,7 +8938,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
h->got.offset = htab->root.sgot->size;
htab->root.sgot->size += GOT_ENTRY_SIZE;
- if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak)
&& (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
@@ -8937,7 +8974,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
}
indx = h && h->dynindx != -1 ? h->dynindx : 0;
- if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak)
&& (!bfd_link_executable (info)
|| indx != 0
@@ -9019,7 +9056,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
visibility. */
if (h->dyn_relocs != NULL && h->root.type == bfd_link_hash_undefweak)
{
- if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT || resolved_to_zero
|| UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
h->dyn_relocs = NULL;
@@ -9039,7 +9076,9 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
symbols which turn out to need copy relocs or are not
dynamic. */
- if (!h->non_got_ref
+ if (!(h->non_got_ref
+ || (h->root.type == bfd_link_hash_undefweak
+ && !resolved_to_zero))
&& ((h->def_dynamic
&& !h->def_regular)
|| (htab->root.dynamic_sections_created
@@ -9050,6 +9089,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
&& !h->forced_local
+ && !resolved_to_zero
&& h->root.type == bfd_link_hash_undefweak
&& !bfd_elf_link_record_dynamic_symbol (info, h))
return false;
@@ -9607,8 +9647,17 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
Elf_Internal_Sym *sym)
{
struct elf_aarch64_link_hash_table *htab;
+ struct elf_aarch64_link_hash_entry *eh;
+ bool local_undefweak;
htab = elf_aarch64_hash_table (info);
+ eh = (struct elf_aarch64_link_hash_entry *) h;
+
+ /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
+ resolved undefined weak symbols in executable so that their
+ references have value 0 at run-time. */
+ local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
+
if (h->plt.offset != (bfd_vma) - 1)
{
asection *plt, *gotplt, *relplt;
@@ -9643,7 +9692,7 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
return false;
elfNN_aarch64_create_small_pltn_entry (h, htab, output_bfd, info);
- if (!h->def_regular)
+ if (!local_undefweak && !h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. */
@@ -9665,7 +9714,8 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
&& elf_aarch64_hash_entry (h)->got_type == GOT_NORMAL
/* Undefined weak symbol in static PIE resolves to 0 without
any dynamic relocations. */
- && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+ && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)
+ && !local_undefweak)
{
Elf_Internal_Rela rela;
bfd_byte *loc;
@@ -10312,6 +10362,9 @@ const struct elf_size_info elfNN_aarch64_size_info =
#define elf_backend_init_index_section \
_bfd_elf_init_2_index_sections
+#define elf_backend_fixup_symbol \
+ elfNN_aarch64_elf_fixup_symbol
+
#define elf_backend_finish_dynamic_sections \
elfNN_aarch64_finish_dynamic_sections
diff --git a/ld/emulparams/aarch64elf.sh b/ld/emulparams/aarch64elf.sh
index 8f68e517b45..260a590e69e 100644
--- a/ld/emulparams/aarch64elf.sh
+++ b/ld/emulparams/aarch64elf.sh
@@ -1,3 +1,5 @@
+source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
+
ARCH=aarch64
MACHINE=
NOP=0x1f2003d5
diff --git a/ld/emulparams/aarch64elf32.sh b/ld/emulparams/aarch64elf32.sh
index 5a08d9e29f1..e4c9abf85a1 100644
--- a/ld/emulparams/aarch64elf32.sh
+++ b/ld/emulparams/aarch64elf32.sh
@@ -1,3 +1,5 @@
+source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
+
ARCH="aarch64:ilp32"
MACHINE=
NOP=0x1f2003d5
diff --git a/ld/emultempl/aarch64elf.em b/ld/emultempl/aarch64elf.em
index d47bdbf9937..b6f76d5c8d7 100644
--- a/ld/emultempl/aarch64elf.em
+++ b/ld/emultempl/aarch64elf.em
@@ -378,7 +378,7 @@ PARSE_AND_LIST_LONGOPTS='
{ "no-apply-dynamic-relocs", no_argument, NULL, OPTION_NO_APPLY_DYNAMIC_RELOCS},
'
-PARSE_AND_LIST_OPTIONS='
+PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
" enum sizes\n"));
fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
diff --git a/ld/emultempl/elf.em b/ld/emultempl/elf.em
index 3f67f8b09d9..eb8e8e1596e 100644
--- a/ld/emultempl/elf.em
+++ b/ld/emultempl/elf.em
@@ -572,6 +572,7 @@ enum elf_options
OPTION_EXCLUDE_LIBS,
OPTION_HASH_STYLE,
OPTION_BUILD_ID,
+ OPTION_NX_MODULE_NAME,
OPTION_PACKAGE_METADATA,
OPTION_AUDIT,
OPTION_COMPRESS_DEBUG
@@ -603,6 +604,7 @@ EOF
fi
fragment <<EOF
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
+ {"nx-module-name", optional_argument, NULL, OPTION_NX_MODULE_NAME},
{"package-metadata", optional_argument, NULL, OPTION_PACKAGE_METADATA},
{"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG},
EOF
@@ -673,6 +675,16 @@ gld${EMULATION_NAME}_handle_option (int optc)
einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"),
optarg);
break;
+ case OPTION_NX_MODULE_NAME:
+ if (ldelf_emit_nx_module_name != NULL)
+ {
+ free ((char *) ldelf_emit_nx_module_name);
+ ldelf_emit_nx_module_name = NULL;
+ }
+ if (optarg == NULL)
+ optarg = "";
+ ldelf_emit_nx_module_name = xstrdup (optarg);
+ break;
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
diff --git a/ld/ldelf.c b/ld/ldelf.c
index f9a6819366f..99e982ef5eb 100644
--- a/ld/ldelf.c
+++ b/ld/ldelf.c
@@ -55,6 +55,9 @@ const char *ldelf_emit_note_gnu_build_id;
/* Content of .note.package section. */
const char *ldelf_emit_note_fdo_package_metadata;
+/* NX module name. */
+const char *ldelf_emit_nx_module_name;
+
/* These variables are required to pass information back and forth
between after_open and check_needed and stat_needed and vercheck. */
@@ -1206,8 +1209,93 @@ ldelf_handle_dt_needed (struct elf_link_hash_table *htab,
*save_input_bfd_tail = NULL;
}
-/* This is called before calling plugin 'all symbols read' hook. */
+static bool
+write_nx_module_name (bfd *abfd)
+{
+ struct elf_obj_tdata *t = elf_tdata (abfd);
+ const char *name;
+ asection *asec;
+ Elf_Internal_Shdr *i_shdr;
+ unsigned char *contents;
+ bfd_size_type size;
+ file_ptr position;
+ name = t->o->nx_module_name.name;
+ asec = t->o->nx_module_name.sec;
+ if (bfd_is_abs_section (asec->output_section))
+ {
+ einfo (_("%P: warning: .nx-module-name section discarded,"
+ " --build-id ignored\n"));
+ return true;
+ }
+ i_shdr = &elf_section_data (asec->output_section)->this_hdr;
+
+ if (i_shdr->contents == NULL)
+ {
+ if (asec->contents == NULL)
+ asec->contents = (unsigned char *) xmalloc (asec->size);
+ contents = asec->contents;
+ }
+ else
+ contents = i_shdr->contents + asec->output_offset;
+
+ size = asec->size;
+ bfd_h_put_32 (abfd, 0, &contents[0]);
+ bfd_h_put_32 (abfd, size - 9, &contents[4]);
+ memcpy (&contents[8], name, size - 9);
+ contents[size - 1] = 0; /* ensure null termination for AMS */
+
+ position = i_shdr->sh_offset + asec->output_offset;
+
+ return (bfd_seek (abfd, position, SEEK_SET) == 0
+ && bfd_bwrite (contents, size, abfd) == size);
+}
+
+/* Make .nx-module-name section, and set up elf_tdata->nx_module_name. */
+
+static bool
+setup_nx_module_name (bfd *ibfd, bfd *obfd)
+{
+ asection *s;
+ bfd_size_type size;
+ flagword flags;
+
+ if (ldelf_emit_nx_module_name[0] == '\0')
+ {
+ /* Extract the basename of the output bfd and use it as the module name. */
+ char *dot_pos;
+ free ((char *) ldelf_emit_nx_module_name);
+ ldelf_emit_nx_module_name = (char *) lbasename (bfd_get_filename (obfd));
+ ldelf_emit_nx_module_name = xstrdup (ldelf_emit_nx_module_name);
+ dot_pos = strrchr (ldelf_emit_nx_module_name, '.');
+ if (dot_pos != NULL)
+ {
+ /* Remove extension. */
+ *dot_pos = 0;
+ }
+ }
+
+ size = 8 + strlen(ldelf_emit_nx_module_name) + 1; /* extra null terminator for AMS */
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
+ s = bfd_make_section_with_flags (ibfd, ".nx-module-name", flags);
+ if (s != NULL && bfd_set_section_alignment (s, 4))
+ {
+ struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
+ t->o->nx_module_name.after_write_object_contents = &write_nx_module_name;
+ t->o->nx_module_name.name = ldelf_emit_nx_module_name;
+ t->o->nx_module_name.sec = s;
+ elf_section_type (s) = SHT_PROGBITS;
+ s->size = size;
+ return true;
+ }
+
+ einfo (_("%P: warning: cannot create .nx-module-name section,"
+ " --nx-module-name ignored\n"));
+ return false;
+}
+
+/* This is called before calling plugin 'all symbols read' hook. */
void
ldelf_before_plugin_all_symbols_read (int use_libpath, int native,
int is_linux, int is_freebsd,
@@ -1286,6 +1374,24 @@ ldelf_after_open (int use_libpath, int native, int is_linux, int is_freebsd,
}
}
+ if (ldelf_emit_nx_module_name != NULL)
+ {
+ /* Find an ELF input. */
+ for (abfd = link_info.input_bfds;
+ abfd != (bfd *) NULL; abfd = abfd->link.next)
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && bfd_count_sections (abfd) != 0
+ && !((lang_input_statement_type *) abfd->usrdata)->flags.just_syms)
+ break;
+
+ /* If there are no ELF input files do not try to create a .nx-module-name section. */
+ if (abfd == NULL || !setup_nx_module_name (abfd, link_info.output_bfd))
+ {
+ free ((char *) ldelf_emit_nx_module_name);
+ ldelf_emit_nx_module_name = NULL;
+ }
+ }
+
get_elf_backend_data (link_info.output_bfd)->setup_gnu_properties (&link_info);
/* Do not allow executable files to be used as inputs to the link. */
diff --git a/ld/ldelf.h b/ld/ldelf.h
index f82bd9234a7..96173dcd671 100644
--- a/ld/ldelf.h
+++ b/ld/ldelf.h
@@ -20,6 +20,7 @@
extern const char *ldelf_emit_note_gnu_build_id;
extern const char *ldelf_emit_note_fdo_package_metadata;
+extern const char *ldelf_emit_nx_module_name;
extern void ldelf_after_parse (void);
extern bool ldelf_load_symbols (lang_input_statement_type *);

507
dka64/patches/binutils-2.42.patch
View File

@ -1,507 +0,0 @@
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 3ed22fa6c52..16cec309746 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -1984,6 +1984,14 @@ struct output_elf_obj_tdata
asection *sec;
} package_metadata;
+ /* Data for .nx-module-name. */
+ struct
+ {
+ bool (*after_write_object_contents) (bfd *);
+ const char *name;
+ asection *sec;
+ } nx_module_name;
+
/* Records the result of `get_program_header_size'. */
bfd_size_type program_header_size;
diff --git a/bfd/elf.c b/bfd/elf.c
index 88c75ae3ce0..c4b5cda59a7 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -7359,6 +7359,14 @@ _bfd_elf_write_object_contents (bfd *abfd)
if (!bed->s->write_shdrs_and_ehdr (abfd))
return false;
+ /* Write out the NX module name. */
+ if (t->o->nx_module_name.after_write_object_contents != NULL)
+ {
+ failed = !(*t->o->nx_module_name.after_write_object_contents) (abfd);
+ if (failed)
+ return false;
+ }
+
/* This is last since write_shdrs_and_ehdr can touch i_shdrp[0]. */
if (t->o->build_id.after_write_object_contents != NULL
&& !(*t->o->build_id.after_write_object_contents) (abfd))
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 109517db4aa..36ea8726544 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -2441,6 +2441,12 @@ enum elf_aarch64_stub_type
aarch64_stub_erratum_843419_veneer,
};
+/* Is an undefined weak symbol resolved to 0 ? */
+#define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
+ ((EH)->root.root.type == bfd_link_hash_undefweak \
+ && bfd_link_executable (INFO) \
+ && !(INFO)->dynamic_undefined_weak)
+
struct elf_aarch64_stub_hash_entry
{
/* Base hash table entry structure. */
@@ -6947,11 +6953,13 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
Elf_Internal_Sym *sym;
asection *sec;
struct elf_link_hash_entry *h;
+ struct elf_aarch64_link_hash_entry *eh;
bfd_vma relocation;
bfd_reloc_status_type r;
arelent bfd_reloc;
char sym_type;
bool unresolved_reloc = false;
+ bool resolved_to_zero = false;
char *error_message = NULL;
r_symndx = ELFNN_R_SYM (rel->r_info);
@@ -7091,6 +7099,10 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
h, &unresolved_reloc,
save_addend, &addend, sym);
+ eh = (struct elf_aarch64_link_hash_entry *) h;
+ resolved_to_zero = (eh != NULL
+ && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
+
switch (elfNN_aarch64_bfd_reloc_from_type (input_bfd, r_type))
{
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
@@ -7114,7 +7126,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
need_relocs =
(!bfd_link_executable (info) || indx != 0) &&
(h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak);
BFD_ASSERT (globals->root.srelgot != NULL);
@@ -7209,7 +7221,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
need_relocs =
(!bfd_link_executable (info) || indx != 0) &&
(h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak);
BFD_ASSERT (globals->root.srelgot != NULL);
@@ -7258,7 +7270,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
bfd_vma off = symbol_tlsdesc_got_offset (input_bfd, h, r_symndx);
need_relocs = (h == NULL
- || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak);
BFD_ASSERT (globals->root.srelgot != NULL);
@@ -7584,6 +7596,23 @@ need_copy_relocation_p (struct elf_aarch64_link_hash_entry *eh)
return false;
}
+/* Remove undefined weak symbol from the dynamic symbol table if it
+ is resolved to 0. */
+
+static bool
+elfNN_aarch64_elf_fixup_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ if (h->dynindx != -1
+ && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, elf_aarch64_hash_entry (h)))
+ {
+ h->dynindx = -1;
+ _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
+ h->dynstr_index);
+ }
+ return true;
+}
+
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
@@ -8802,6 +8831,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
struct elf_aarch64_link_hash_table *htab;
struct elf_aarch64_link_hash_entry *eh;
struct elf_dyn_relocs *p;
+ bool resolved_to_zero;
/* An example of a bfd_link_hash_indirect symbol is versioned
symbol. For example: __gxx_personality_v0(bfd_link_hash_indirect)
@@ -8821,6 +8851,10 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
info = (struct bfd_link_info *) inf;
htab = elf_aarch64_hash_table (info);
+ eh = (struct elf_aarch64_link_hash_entry *) h;
+ eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
+ resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
+
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
here if it is defined and referenced in a non-shared object. */
if (h->type == STT_GNU_IFUNC
@@ -8830,7 +8864,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
- if (h->dynindx == -1 && !h->forced_local
+ if (h->dynindx == -1 && !h->forced_local && !resolved_to_zero
&& h->root.type == bfd_link_hash_undefweak)
{
if (!bfd_elf_link_record_dynamic_symbol (info, h))
@@ -8864,6 +8898,11 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
of relaxing into these from the large model PLT entries. */
s->size += htab->plt_entry_size;
+ /* There should be no PLT relocations against resolved undefined
+ weak symbols in the executable. */
+ if (!resolved_to_zero)
+ {
+
/* We also need to make an entry in the .got.plt section, which
will be placed in the .got section by the linker script. */
htab->root.sgotplt->size += GOT_ENTRY_SIZE;
@@ -8892,6 +8931,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
htab->variant_pcs = 1;
}
+ }
else
{
h->plt.offset = (bfd_vma) - 1;
@@ -8904,9 +8944,6 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
h->needs_plt = 0;
}
- eh = (struct elf_aarch64_link_hash_entry *) h;
- eh->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
-
if (h->got.refcount > 0)
{
bool dyn;
@@ -8918,7 +8955,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
/* Make sure this symbol is output as a dynamic symbol.
Undefined weak syms won't yet be marked as dynamic. */
- if (dyn && h->dynindx == -1 && !h->forced_local
+ if (dyn && h->dynindx == -1 && !h->forced_local && !resolved_to_zero
&& h->root.type == bfd_link_hash_undefweak)
{
if (!bfd_elf_link_record_dynamic_symbol (info, h))
@@ -8932,7 +8969,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
h->got.offset = htab->root.sgot->size;
htab->root.sgot->size += GOT_ENTRY_SIZE;
- if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak)
&& (bfd_link_pic (info)
|| WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h))
@@ -8968,7 +9005,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
}
indx = h && h->dynindx != -1 ? h->dynindx : 0;
- if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
+ if (((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT && !resolved_to_zero)
|| h->root.type != bfd_link_hash_undefweak)
&& (!bfd_link_executable (info)
|| indx != 0
@@ -9050,7 +9087,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
visibility. */
if (h->dyn_relocs != NULL && h->root.type == bfd_link_hash_undefweak)
{
- if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT || resolved_to_zero
|| UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
h->dyn_relocs = NULL;
@@ -9070,7 +9107,9 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
symbols which turn out to need copy relocs or are not
dynamic. */
- if (!h->non_got_ref
+ if (!(h->non_got_ref
+ || (h->root.type == bfd_link_hash_undefweak
+ && !resolved_to_zero))
&& ((h->def_dynamic
&& !h->def_regular)
|| (htab->root.dynamic_sections_created
@@ -9081,6 +9120,7 @@ elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
Undefined weak syms won't yet be marked as dynamic. */
if (h->dynindx == -1
&& !h->forced_local
+ && !resolved_to_zero
&& h->root.type == bfd_link_hash_undefweak
&& !bfd_elf_link_record_dynamic_symbol (info, h))
return false;
@@ -9638,8 +9678,17 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
Elf_Internal_Sym *sym)
{
struct elf_aarch64_link_hash_table *htab;
+ struct elf_aarch64_link_hash_entry *eh;
+ bool local_undefweak;
htab = elf_aarch64_hash_table (info);
+ eh = (struct elf_aarch64_link_hash_entry *) h;
+
+ /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
+ resolved undefined weak symbols in executable so that their
+ references have value 0 at run-time. */
+ local_undefweak = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
+
if (h->plt.offset != (bfd_vma) - 1)
{
asection *plt, *gotplt, *relplt;
@@ -9674,7 +9723,7 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
return false;
elfNN_aarch64_create_small_pltn_entry (h, htab, output_bfd, info);
- if (!h->def_regular)
+ if (!local_undefweak && !h->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. */
@@ -9696,7 +9745,8 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
&& elf_aarch64_hash_entry (h)->got_type == GOT_NORMAL
/* Undefined weak symbol in static PIE resolves to 0 without
any dynamic relocations. */
- && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
+ && !UNDEFWEAK_NO_DYNAMIC_RELOC (info, h)
+ && !local_undefweak)
{
Elf_Internal_Rela rela;
bfd_byte *loc;
@@ -10343,6 +10393,9 @@ const struct elf_size_info elfNN_aarch64_size_info =
#define elf_backend_init_index_section \
_bfd_elf_init_2_index_sections
+#define elf_backend_fixup_symbol \
+ elfNN_aarch64_elf_fixup_symbol
+
#define elf_backend_finish_dynamic_sections \
elfNN_aarch64_finish_dynamic_sections
diff --git a/ld/emulparams/aarch64elf.sh b/ld/emulparams/aarch64elf.sh
index 8f68e517b45..260a590e69e 100644
--- a/ld/emulparams/aarch64elf.sh
+++ b/ld/emulparams/aarch64elf.sh
@@ -1,3 +1,5 @@
+source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
+
ARCH=aarch64
MACHINE=
NOP=0x1f2003d5
diff --git a/ld/emulparams/aarch64elf32.sh b/ld/emulparams/aarch64elf32.sh
index 5a08d9e29f1..e4c9abf85a1 100644
--- a/ld/emulparams/aarch64elf32.sh
+++ b/ld/emulparams/aarch64elf32.sh
@@ -1,3 +1,5 @@
+source_sh ${srcdir}/emulparams/dynamic_undefined_weak.sh
+
ARCH="aarch64:ilp32"
MACHINE=
NOP=0x1f2003d5
diff --git a/ld/emultempl/aarch64elf.em b/ld/emultempl/aarch64elf.em
index b647909ae63..3e2d7a171b9 100644
--- a/ld/emultempl/aarch64elf.em
+++ b/ld/emultempl/aarch64elf.em
@@ -378,7 +378,7 @@ PARSE_AND_LIST_LONGOPTS='
{ "no-apply-dynamic-relocs", no_argument, NULL, OPTION_NO_APPLY_DYNAMIC_RELOCS},
'
-PARSE_AND_LIST_OPTIONS='
+PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
" enum sizes\n"));
fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
diff --git a/ld/emultempl/elf.em b/ld/emultempl/elf.em
index 71cec19fdc6..3fd0585dee6 100644
--- a/ld/emultempl/elf.em
+++ b/ld/emultempl/elf.em
@@ -574,6 +574,7 @@ enum elf_options
OPTION_EXCLUDE_LIBS,
OPTION_HASH_STYLE,
OPTION_BUILD_ID,
+ OPTION_NX_MODULE_NAME,
OPTION_PACKAGE_METADATA,
OPTION_AUDIT,
OPTION_COMPRESS_DEBUG
@@ -605,6 +606,7 @@ EOF
fi
fragment <<EOF
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
+ {"nx-module-name", optional_argument, NULL, OPTION_NX_MODULE_NAME},
{"package-metadata", optional_argument, NULL, OPTION_PACKAGE_METADATA},
{"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG},
EOF
@@ -675,6 +677,16 @@ gld${EMULATION_NAME}_handle_option (int optc)
einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"),
optarg);
break;
+ case OPTION_NX_MODULE_NAME:
+ if (ldelf_emit_nx_module_name != NULL)
+ {
+ free ((char *) ldelf_emit_nx_module_name);
+ ldelf_emit_nx_module_name = NULL;
+ }
+ if (optarg == NULL)
+ optarg = "";
+ ldelf_emit_nx_module_name = xstrdup (optarg);
+ break;
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
diff --git a/ld/ldelf.c b/ld/ldelf.c
index 2852851dcd5..0b1efa9675a 100644
--- a/ld/ldelf.c
+++ b/ld/ldelf.c
@@ -55,6 +55,9 @@ const char *ldelf_emit_note_gnu_build_id;
/* Content of .note.package section. */
const char *ldelf_emit_note_fdo_package_metadata;
+/* NX module name. */
+const char *ldelf_emit_nx_module_name;
+
/* These variables are required to pass information back and forth
between after_open and check_needed and stat_needed and vercheck. */
@@ -1209,8 +1212,93 @@ ldelf_handle_dt_needed (struct elf_link_hash_table *htab,
*save_input_bfd_tail = NULL;
}
-/* This is called before calling plugin 'all symbols read' hook. */
+static bool
+write_nx_module_name (bfd *abfd)
+{
+ struct elf_obj_tdata *t = elf_tdata (abfd);
+ const char *name;
+ asection *asec;
+ Elf_Internal_Shdr *i_shdr;
+ unsigned char *contents;
+ bfd_size_type size;
+ file_ptr position;
+ name = t->o->nx_module_name.name;
+ asec = t->o->nx_module_name.sec;
+ if (bfd_is_abs_section (asec->output_section))
+ {
+ einfo (_("%P: warning: .nx-module-name section discarded,"
+ " --build-id ignored\n"));
+ return true;
+ }
+ i_shdr = &elf_section_data (asec->output_section)->this_hdr;
+
+ if (i_shdr->contents == NULL)
+ {
+ if (asec->contents == NULL)
+ asec->contents = (unsigned char *) xmalloc (asec->size);
+ contents = asec->contents;
+ }
+ else
+ contents = i_shdr->contents + asec->output_offset;
+
+ size = asec->size;
+ bfd_h_put_32 (abfd, 0, &contents[0]);
+ bfd_h_put_32 (abfd, size - 9, &contents[4]);
+ memcpy (&contents[8], name, size - 9);
+ contents[size - 1] = 0; /* ensure null termination for AMS */
+
+ position = i_shdr->sh_offset + asec->output_offset;
+
+ return (bfd_seek (abfd, position, SEEK_SET) == 0
+ && bfd_write (contents, size, abfd) == size);
+}
+
+/* Make .nx-module-name section, and set up elf_tdata->nx_module_name. */
+
+static bool
+setup_nx_module_name (bfd *ibfd, bfd *obfd)
+{
+ asection *s;
+ bfd_size_type size;
+ flagword flags;
+
+ if (ldelf_emit_nx_module_name[0] == '\0')
+ {
+ /* Extract the basename of the output bfd and use it as the module name. */
+ char *dot_pos;
+ free ((char *) ldelf_emit_nx_module_name);
+ ldelf_emit_nx_module_name = (char *) lbasename (bfd_get_filename (obfd));
+ ldelf_emit_nx_module_name = xstrdup (ldelf_emit_nx_module_name);
+ dot_pos = strrchr (ldelf_emit_nx_module_name, '.');
+ if (dot_pos != NULL)
+ {
+ /* Remove extension. */
+ *dot_pos = 0;
+ }
+ }
+
+ size = 8 + strlen(ldelf_emit_nx_module_name) + 1; /* extra null terminator for AMS */
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
+ s = bfd_make_section_with_flags (ibfd, ".nx-module-name", flags);
+ if (s != NULL && bfd_set_section_alignment (s, 4))
+ {
+ struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
+ t->o->nx_module_name.after_write_object_contents = &write_nx_module_name;
+ t->o->nx_module_name.name = ldelf_emit_nx_module_name;
+ t->o->nx_module_name.sec = s;
+ elf_section_type (s) = SHT_PROGBITS;
+ s->size = size;
+ return true;
+ }
+
+ einfo (_("%P: warning: cannot create .nx-module-name section,"
+ " --nx-module-name ignored\n"));
+ return false;
+}
+
+/* This is called before calling plugin 'all symbols read' hook. */
void
ldelf_before_plugin_all_symbols_read (int use_libpath, int native,
int is_linux, int is_freebsd,
@@ -1289,6 +1377,24 @@ ldelf_after_open (int use_libpath, int native, int is_linux, int is_freebsd,
}
}
+ if (ldelf_emit_nx_module_name != NULL)
+ {
+ /* Find an ELF input. */
+ for (abfd = link_info.input_bfds;
+ abfd != (bfd *) NULL; abfd = abfd->link.next)
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && bfd_count_sections (abfd) != 0
+ && !((lang_input_statement_type *) abfd->usrdata)->flags.just_syms)
+ break;
+
+ /* If there are no ELF input files do not try to create a .nx-module-name section. */
+ if (abfd == NULL || !setup_nx_module_name (abfd, link_info.output_bfd))
+ {
+ free ((char *) ldelf_emit_nx_module_name);
+ ldelf_emit_nx_module_name = NULL;
+ }
+ }
+
get_elf_backend_data (link_info.output_bfd)->setup_gnu_properties (&link_info);
/* Do not allow executable files to be used as inputs to the link. */
diff --git a/ld/ldelf.h b/ld/ldelf.h
index 239194772c4..68516dbf45e 100644
--- a/ld/ldelf.h
+++ b/ld/ldelf.h
@@ -20,6 +20,7 @@
extern const char *ldelf_emit_note_gnu_build_id;
extern const char *ldelf_emit_note_fdo_package_metadata;
+extern const char *ldelf_emit_nx_module_name;
extern void ldelf_after_parse (void);
extern bool ldelf_load_symbols (lang_input_statement_type *);

363
dka64/patches/gcc-14.1.0.patch
View File

@ -1,363 +0,0 @@
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 95c91ee02be..4711542eee5 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1195,7 +1195,14 @@ aarch64*-*-elf | aarch64*-*-fuchsia* | aarch64*-*-rtems*)
tmake_file="${tmake_file} aarch64/t-aarch64"
case $target in
aarch64-*-elf*)
+ default_use_cxa_atexit=yes
use_gcc_stdint=wrap
+ tm_file="${tm_file} devkitpro.h"
+ tm_defines="${tm_defines} TARGET_DEFAULT_ASYNC_UNWIND_TABLES=1"
+ extra_options="${extra_options} devkitpro.opt"
+ case ${enable_threads} in
+ "" | yes | posix) thread_file='posix' ;;
+ esac
;;
aarch64-*-fuchsia*)
tm_file="${tm_file} fuchsia.h"
diff --git a/gcc/config/aarch64/aarch64-elf-raw.h b/gcc/config/aarch64/aarch64-elf-raw.h
index 5396da9b2d6..87235d680ad 100644
--- a/gcc/config/aarch64/aarch64-elf-raw.h
+++ b/gcc/config/aarch64/aarch64-elf-raw.h
@@ -22,6 +22,7 @@
#ifndef GCC_AARCH64_ELF_RAW_H
#define GCC_AARCH64_ELF_RAW_H
+#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
#define ENDFILE_SPEC \
" crtend%O%s crtn%O%s " \
diff --git a/gcc/config/aarch64/aarch64-opts.h b/gcc/config/aarch64/aarch64-opts.h
index a05c0d3ded1..5551807e4c6 100644
--- a/gcc/config/aarch64/aarch64-opts.h
+++ b/gcc/config/aarch64/aarch64-opts.h
@@ -80,7 +80,8 @@ enum aarch64_tp_reg {
AARCH64_TPIDR_EL1 = 1,
AARCH64_TPIDR_EL2 = 2,
AARCH64_TPIDR_EL3 = 3,
- AARCH64_TPIDRRO_EL0 = 4
+ AARCH64_TPIDRRO_EL0 = 4,
+ AARCH64_TP_SOFT = 5
};
/* SVE vector register sizes. */
diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc
index 1beec94629d..90a9ec580f8 100644
--- a/gcc/config/aarch64/aarch64.cc
+++ b/gcc/config/aarch64/aarch64.cc
@@ -21060,8 +21060,24 @@ aarch64_load_tp (rtx target)
|| !register_operand (target, Pmode))
target = gen_reg_rtx (Pmode);
- /* Can return in any reg. */
- emit_insn (gen_aarch64_load_tp_hard (target));
+ if (TARGET_HARD_TP)
+ {
+ /* Can return in any reg. */
+ emit_insn (gen_aarch64_load_tp_hard (target));
+ }
+ else
+ {
+ /* Always returned in r0. Immediately copy the result into a pseudo,
+ otherwise other uses of r0 (e.g. setting up function arguments) may
+ clobber the value. */
+
+ rtx tmp;
+
+ emit_insn (gen_aarch64_load_tp_soft ());
+
+ tmp = gen_rtx_REG (DImode, R0_REGNUM);
+ emit_move_insn (target, tmp);
+ }
return target;
}
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 4fa1dfc7906..43a01fe3d56 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -1377,6 +1377,10 @@ typedef struct
/* Check TLS Descriptors mechanism is selected. */
#define TARGET_TLS_DESC (aarch64_tls_dialect == TLS_DESCRIPTORS)
+/* Check selected thread pointer access sequence to use. */
+#define TARGET_HARD_TP (aarch64_tpidr_reg != AARCH64_TP_SOFT)
+#define TARGET_SOFT_TP (aarch64_tpidr_reg == AARCH64_TP_SOFT)
+
extern enum aarch64_code_model aarch64_cmodel;
/* When using the tiny addressing model conditional and unconditional branches
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index dbde066f747..3e3198bf52f 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -7436,11 +7436,22 @@
(define_insn "aarch64_load_tp_hard"
[(set (match_operand:DI 0 "register_operand" "=r")
(unspec:DI [(const_int 0)] UNSPEC_TLS))]
- ""
+ "TARGET_HARD_TP"
"* return aarch64_output_load_tp (operands[0]);"
[(set_attr "type" "mrs")]
)
+(define_insn "aarch64_load_tp_soft"
+ [(set (reg:DI 0) (unspec:DI [(const_int 0)] UNSPEC_TLS))
+ (clobber (reg:DI IP0_REGNUM))
+ (clobber (reg:DI IP1_REGNUM))
+ (clobber (reg:DI LR_REGNUM))
+ (clobber (reg:CC CC_REGNUM))]
+ "TARGET_SOFT_TP"
+ "bl\\t__aarch64_read_tp\\t// aarch64_load_tp_soft"
+ [(set_attr "type" "branch")]
+)
+
;; The TLS ABI specifically requires that the compiler does not schedule
;; instructions in the TLS stubs, in order to enable linker relaxation.
;; Therefore we treat the stubs as an atomic sequence.
diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt
index 6356c419399..a6907ed0a0b 100644
--- a/gcc/config/aarch64/aarch64.opt
+++ b/gcc/config/aarch64/aarch64.opt
@@ -128,6 +128,9 @@ Enum(tp_reg) String(tpidr_el3) Value(AARCH64_TPIDR_EL3)
EnumValue
Enum(tp_reg) String(tpidrro_el0) Value(AARCH64_TPIDRRO_EL0)
+EnumValue
+Enum(tp_reg) String(soft) Value(AARCH64_TP_SOFT)
+
mtp=
Target RejectNegative Joined Enum(tp_reg) Var(aarch64_tpidr_reg) Init(AARCH64_TPIDR_EL0) Save
Specify the thread pointer register.
@@ -329,7 +332,7 @@ TargetVariable
long aarch64_stack_protector_guard_offset = 0
moutline-atomics
-Target Var(aarch64_flag_outline_atomics) Init(2) Save
+Target Var(aarch64_flag_outline_atomics) Save
Generate local calls to out-of-line atomic operations.
-param=aarch64-vect-compare-costs=
diff --git a/gcc/config/aarch64/t-aarch64 b/gcc/config/aarch64/t-aarch64
index 78713558e7d..76c0914d8ce 100644
--- a/gcc/config/aarch64/t-aarch64
+++ b/gcc/config/aarch64/t-aarch64
@@ -208,8 +208,10 @@ aarch64-ldp-fusion.o: $(srcdir)/config/aarch64/aarch64-ldp-fusion.cc \
$(srcdir)/config/aarch64/aarch64-ldp-fusion.cc
comma=,
-MULTILIB_OPTIONS = $(subst $(comma),/, $(patsubst %, mabi=%, $(subst $(comma),$(comma)mabi=,$(TM_MULTILIB_CONFIG))))
-MULTILIB_DIRNAMES = $(subst $(comma), ,$(TM_MULTILIB_CONFIG))
+MULTILIB_OPTIONS = mcmodel=large fPIC
+MULTILIB_DIRNAMES = large pic
+MULTILIB_REQUIRED = mcmodel=large fPIC
+MULTILIB_MATCHES = fPIC=fpic fPIC=fpie fPIC=fPIE
insn-conditions.md: s-check-sve-md
s-check-sve-md: $(srcdir)/config/aarch64/check-sve-md.awk \
diff --git a/gcc/config/devkitpro.h b/gcc/config/devkitpro.h
new file mode 100644
index 00000000000..a25459e4352
--- /dev/null
+++ b/gcc/config/devkitpro.h
@@ -0,0 +1,32 @@
+/* Definitions for devkitPro toolchains.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC 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 3, or (at your
+ option) any later version.
+
+ GCC 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.
+
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do { \
+ builtin_define ("__DEVKITA64__"); \
+ builtin_define ("__DEVKITPRO__"); \
+ } while (0)
+
+
diff --git a/gcc/config/devkitpro.opt b/gcc/config/devkitpro.opt
new file mode 100644
index 00000000000..9acbbf9d27c
--- /dev/null
+++ b/gcc/config/devkitpro.opt
@@ -0,0 +1,29 @@
+; Options for devkitPro toolchains.
+
+; Copyright (C) 2011-2018 Free Software Foundation, Inc.
+;
+; This file is part of GCC.
+;
+; GCC 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 3, or (at your option) any later
+; version.
+;
+; GCC 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 GCC; see the file COPYING3. If not see
+; <http://www.gnu.org/licenses/>.
+
+; See the GCC internals manual (options.texi) for a description of
+; this file's format.
+
+; Please try to keep this file in ASCII collating order.
+
+pthread
+Driver
+
+; This comment is to ensure we retain the blank line above.
diff --git a/gcc/config/devkitpro.opt.urls b/gcc/config/devkitpro.opt.urls
new file mode 100644
index 00000000000..ab7b466aa71
--- /dev/null
+++ b/gcc/config/devkitpro.opt.urls
@@ -0,0 +1 @@
+; Autogenerated by regenerate-opt-urls.py from gcc/config/devkitpro.opt and generated HTML
diff --git a/gcc/config/i386/host-mingw32.cc b/gcc/config/i386/host-mingw32.cc
index 42563982e42..923dc198a7e 100644
--- a/gcc/config/i386/host-mingw32.cc
+++ b/gcc/config/i386/host-mingw32.cc
@@ -93,7 +93,10 @@ mingw32_gt_pch_get_address (size_t size, int)
for NT system dlls is in 0x70000000 to 0x78000000 range.
If we allocate at bottom we need to reserve the address as early
as possible and at the same point in each invocation. */
-
+
+#if __MINGW64__
+ size = UINT64_C(64 * 1024 * 1024 * 1024);
+#endif
res = VirtualAlloc (NULL, size,
MEM_RESERVE | MEM_TOP_DOWN,
PAGE_NOACCESS);
diff --git a/gcc/gcc.cc b/gcc/gcc.cc
index 728332b8153..47fc03eb8c8 100644
--- a/gcc/gcc.cc
+++ b/gcc/gcc.cc
@@ -881,6 +881,11 @@ proper position among the other output files. */
#endif
#endif
+#ifndef LIBGLOSS_SPEC
+# define LIBGLOSS_SPEC "-lsysbase"
+#endif
+
+
/* config.h can define STARTFILE_SPEC to override the default crt0 files. */
#ifndef STARTFILE_SPEC
#define STARTFILE_SPEC \
@@ -1208,6 +1213,7 @@ static const char *link_spec = LINK_SPEC;
static const char *lib_spec = LIB_SPEC;
static const char *link_gomp_spec = "";
static const char *libgcc_spec = LIBGCC_SPEC;
+static const char *libgloss_spec = LIBGLOSS_SPEC;
static const char *endfile_spec = ENDFILE_SPEC;
static const char *startfile_spec = STARTFILE_SPEC;
static const char *linker_name_spec = LINKER_NAME;
@@ -1720,6 +1726,7 @@ static struct spec_list static_specs[] =
INIT_STATIC_SPEC ("lib", &lib_spec),
INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec),
INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
+ INIT_STATIC_SPEC ("libgloss", &libgloss_spec),
INIT_STATIC_SPEC ("startfile", &startfile_spec),
INIT_STATIC_SPEC ("cross_compile", &cross_compile),
INIT_STATIC_SPEC ("version", &compiler_version),
diff --git a/libcc1/configure b/libcc1/configure
index ea689a353c8..98f9d9b21b7 100755
--- a/libcc1/configure
+++ b/libcc1/configure
@@ -5119,7 +5119,7 @@ else
# Adding the `sed 1q' prevents false positives on HP-UX, which says:
# nm: unknown option "B" ignored
case `"$tmp_nm" -B "$tmp_nm_to_nm" 2>&1 | grep -v '^ *$' | sed '1q'` in
- *$tmp_nm*) lt_cv_path_NM="$tmp_nm -B"
+ $tmp_nm*) lt_cv_path_NM="$tmp_nm -B"
break
;;
*)
diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
index 38d3859a73c..f97358d9787 100644
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -326,7 +326,7 @@ register_tm_clones (void)
#ifdef OBJECT_FORMAT_ELF
-#if DEFAULT_USE_CXA_ATEXIT
+#if 1 /* DEFAULT_USE_CXA_ATEXIT */
/* Declare the __dso_handle variable. It should have a unique value
in every shared-object; in a main program its value is zero. The
object should in any case be protected. This means the instance
diff --git a/libgcc/gthr.h b/libgcc/gthr.h
index 33c2d8ff630..2a0a9c1e87e 100644
--- a/libgcc/gthr.h
+++ b/libgcc/gthr.h
@@ -136,7 +136,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
/* The pe-coff weak support isn't fully compatible to ELF's weak.
For static libraries it might would work, but as we need to deal
with shared versions too, we disable it for mingw-targets. */
-#ifdef __MINGW32__
+#if defined(__MINGW32__) || defined(__DEVKITA64__)
#undef GTHREAD_USE_WEAK
#define GTHREAD_USE_WEAK 0
#endif
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 422a0f4bd0a..ee09ada9170 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1429,6 +1429,7 @@ ${host_builddir}/gthr.h: ${toplevel_srcdir}/libgcc/gthr.h stamp-${host_alias}
-e '/^#/s/\(${uppercase}${uppercase}*\)/_GLIBCXX_\1/g' \
-e 's/_GLIBCXX_SUPPORTS_WEAK/__GXX_WEAK__/g' \
-e 's/_GLIBCXX___MINGW32_GLIBCXX___/__MINGW32__/g' \
+ -e 's/_GLIBCXX___DEVKITA64_GLIBCXX___/__DEVKITA64__/g' \
-e 's,^#include "\(.*\)",#include <bits/\1>,g' \
< $< > $@
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 9fd4ab4848c..beea48941a3 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -1903,6 +1903,7 @@ ${host_builddir}/gthr.h: ${toplevel_srcdir}/libgcc/gthr.h stamp-${host_alias}
-e '/^#/s/\(${uppercase}${uppercase}*\)/_GLIBCXX_\1/g' \
-e 's/_GLIBCXX_SUPPORTS_WEAK/__GXX_WEAK__/g' \
-e 's/_GLIBCXX___MINGW32_GLIBCXX___/__MINGW32__/g' \
+ -e 's/_GLIBCXX___DEVKITA64_GLIBCXX___/__DEVKITA64__/g' \
-e 's,^#include "\(.*\)",#include <bits/\1>,g' \
< $< > $@
diff --git a/lto-plugin/configure b/lto-plugin/configure
index 28f5dd79cd7..a79f318a4d6 100755
--- a/lto-plugin/configure
+++ b/lto-plugin/configure
@@ -6469,7 +6469,7 @@ else
# Adding the `sed 1q' prevents false positives on HP-UX, which says:
# nm: unknown option "B" ignored
case `"$tmp_nm" -B "$tmp_nm_to_nm" 2>&1 | grep -v '^ *$' | sed '1q'` in
- *$tmp_nm*) lt_cv_path_NM="$tmp_nm -B"
+ $tmp_nm*) lt_cv_path_NM="$tmp_nm -B"
break
;;
*)