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Adds support for generating notes in V850 binaries.
bfd * elf32-v850.c (v850_set_note): New function. Creates a Renesas style note entry. (v850_elf_make_note_section): New function. Creates a note section. (v850_elf_create_sections): New function. Create a note section if one is not already present. (v850_elf_set_note): New function. Adds a note to a bfd. (v850_elf_copy_private_bfd_data): New function. Copies V850 notes. (v850_elf_merge_notes): New function. Merges V850 notes. (print_v850_note): New function. Displays a V850 note. (v850_elf_print_notes): New function. Displays all notes attached to a bfd. (v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes. (v850_elf_print_private_bfd_data): Call v850_elf_print_notes. (v850_elf_fake_sections): Set the type of the V850 note section. * bfd-in.h (v850_elf_create_sections): Add prototype. (v850_elf_set_note): Add prototype. * bfd-in2.h: Regenerate. binutils* readelf.c (get_machine_flags): Remove deprecated V850 machine flags. (get_v850_section_type_name): New function. Handles V850 special sections. (get_section_type_name): Add support for V850. (get_v850_elf_note_type): New function. Returns the name of a V850 note. (print_v850_note): New function. Prints a V850 note. (process_v850_notes): New function. Prints V850 notes. (process_note_sections): Add support for V850. binutils/testsute * binutils-all/objcopy.exp: Skip the strip-10 test for the V850. gas * config/tc-v850.c (soft_float): New variable. (v850_data_8): New variable. (md_show_usage): Add -msoft-float/-mhard-float. (md_parse_option): Likewise. (md_begin): Set the default value of soft_float. (v850_md_end): New function. Creates a note section. * config/tc-v850.h (md_end): Define. * doc/c-v850.texi: Document -msoft-float/-mhard-float. gas/testsuite * gas/elf/elf.exp: Add special version of the section2 test for the V850. * gas/elf/section2.e-v850: New file. include/elf * v850.h (EF_RH850_SIMD): Delete deprecated flag. (EF_RH850_CACHE): Likewise. (EF_RH850_MMU): Likewise. (EF_RH850_DATA_ALIGN8): Likewise. (SHT_RENESAS_IOP): Fix typo in name. (SHT_RENESAS_INFO): Define. (V850_NOTE_SECNAME): Define. (SIZEOF_V850_NOTE): Define. (V850_NOTE_NAME): Define. (enum v850_notes): New enum. (NUM_V850_NOTES): Define. ld/ChangeLog 2015-02-24 Nick Clifton <nickc@redhat.com> * Makefile.am (ev850.c): Add dependency upon $(srcdir)/emultempl/v850elf.em. (ev850_rh850.c): Likewise. * Makefile.in: Regenerate. * emultempl/v850elf.em: New file. * emulparams/v850.sh (EXTRA_EM_FILE): Define. * emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define. * scripttempl/v850.sc: Add .note.renesas section. * scripttempl/v850_rh850.sc: Likewise. ld/testsuite * ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
This commit is contained in:
Nick Clifton
parent
31593e1b96
commit
685080f210
@ -1,3 +1,25 @@
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2015-02-24 Nick Clifton <nickc@redhat.com>
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* elf32-v850.c (v850_set_note): New function. Creates a Renesas
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style note entry.
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(v850_elf_make_note_section): New function. Creates a note
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section.
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(v850_elf_create_sections): New function. Create a note section
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if one is not already present.
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(v850_elf_set_note): New function. Adds a note to a bfd.
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(v850_elf_copy_private_bfd_data): New function. Copies V850
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notes.
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(v850_elf_merge_notes): New function. Merges V850 notes.
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(print_v850_note): New function. Displays a V850 note.
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(v850_elf_print_notes): New function. Displays all notes attached
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to a bfd.
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(v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes.
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(v850_elf_print_private_bfd_data): Call v850_elf_print_notes.
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(v850_elf_fake_sections): Set the type of the V850 note section.
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* bfd-in.h (v850_elf_create_sections): Add prototype.
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(v850_elf_set_note): Add prototype.
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* bfd-in2.h: Regenerate.
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2015-02-24 Nick Clifton <nickc@redhat.com>
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* configure.ac (AC_CHECK_HEADERS): Add wctype.h.
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@ -988,3 +988,10 @@ extern void bfd_elf32_ia64_after_parse
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extern void bfd_elf64_ia64_after_parse
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(int);
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/* V850 Note manipulation routines. */
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extern bfd_boolean v850_elf_create_sections
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(struct bfd_link_info *);
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extern bfd_boolean v850_elf_set_note
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(bfd *, unsigned int, unsigned int);
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@ -995,6 +995,13 @@ extern void bfd_elf32_ia64_after_parse
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extern void bfd_elf64_ia64_after_parse
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(int);
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/* V850 Note manipulation routines. */
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extern bfd_boolean v850_elf_create_sections
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(struct bfd_link_info *);
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extern bfd_boolean v850_elf_set_note
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(bfd *, unsigned int, unsigned int);
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/* Extracted from init.c. */
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void bfd_init (void);
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363
bfd/elf32-v850.c
363
bfd/elf32-v850.c
@ -2344,6 +2344,327 @@ v850_elf_gc_mark_hook (asection *sec,
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return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
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}
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static void
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v850_set_note (bfd * abfd, asection * s, enum v850_notes note, unsigned int val)
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{
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bfd_byte * data = s->contents + ((note - 1) * SIZEOF_V850_NOTE);
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bfd_put_32 (abfd, 4, data + 0);
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bfd_put_32 (abfd, 4, data + 4);
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bfd_put_32 (abfd, note, data + 8);
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memcpy (data + 12, V850_NOTE_NAME, 4);
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bfd_put_32 (abfd, val, data + 16);
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}
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/* Create the note section if not already present. This is done early so
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that the linker maps the sections to the right place in the output. */
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static asection *
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v850_elf_make_note_section (bfd * abfd)
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{
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asection *s;
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bfd_byte *data;
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flagword flags;
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enum v850_notes id;
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/* Make the note section. */
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flags = SEC_READONLY | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_MERGE;
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s = bfd_make_section_anyway_with_flags (abfd, V850_NOTE_SECNAME, flags);
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if (s == NULL)
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return NULL;
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if (!bfd_set_section_alignment (abfd, s, 2))
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return NULL;
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/* Allocate space for all known notes. */
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if (!bfd_set_section_size (abfd, s, NUM_V850_NOTES * SIZEOF_V850_NOTE))
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return NULL;
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data = bfd_zalloc (abfd, NUM_V850_NOTES * SIZEOF_V850_NOTE);
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if (data == NULL)
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return NULL;
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s->contents = data;
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/* Provide default (= uninitilaised) values for all of the notes. */
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for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
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v850_set_note (abfd, s, id, 0);
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return s;
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}
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/* Create the note section if not already present. This is done early so
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that the linker maps the sections to the right place in the output. */
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bfd_boolean
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v850_elf_create_sections (struct bfd_link_info * info)
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{
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bfd * ibfd;
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/* If we already have a note section, do not make another. */
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for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
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if (bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME) != NULL)
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return TRUE;
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return v850_elf_make_note_section (info->input_bfds) != NULL;
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}
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bfd_boolean
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v850_elf_set_note (bfd * abfd, enum v850_notes note, unsigned int val)
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{
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asection * notes = bfd_get_section_by_name (abfd, V850_NOTE_SECNAME);
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if (val > 2)
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/* At the moment, no known note has a value over 2. */
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return FALSE;
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if (notes == NULL)
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notes = v850_elf_make_note_section (abfd);
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if (notes == NULL)
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return FALSE;
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v850_set_note (abfd, notes, note, val);
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return TRUE;
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}
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/* Copy backend specific data from one object module to another. */
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static bfd_boolean
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v850_elf_copy_private_bfd_data (bfd * ibfd, bfd * obfd)
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{
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asection * onotes;
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asection * inotes;
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/* If the output bfd does not have a note section, then
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skip the merge. The normal input to output section
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copying will take care of everythng for us. */
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if ((onotes = bfd_get_section_by_name (obfd, V850_NOTE_SECNAME)) == NULL)
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return TRUE;
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if ((inotes = bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME)) != NULL)
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{
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bfd_byte * icont;
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bfd_byte * ocont;
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BFD_ASSERT (bfd_section_size (ibfd, inotes) == bfd_section_size (obfd, onotes));
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if ((icont = elf_section_data (inotes)->this_hdr.contents) == NULL)
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BFD_ASSERT (bfd_malloc_and_get_section (ibfd, inotes, & icont));
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if ((ocont = elf_section_data (onotes)->this_hdr.contents) == NULL)
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BFD_ASSERT (bfd_malloc_and_get_section (obfd, onotes, & ocont));
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/* Copy/overwrite notes from the input to the output. */
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memcpy (ocont, icont, bfd_section_size (obfd, onotes));
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}
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return TRUE;
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}
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#define bfd_elf32_bfd_copy_private_bfd_data v850_elf_copy_private_bfd_data
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static bfd_boolean
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v850_elf_merge_notes (bfd * ibfd, bfd *obfd)
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{
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asection * onotes;
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asection * inotes;
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bfd_boolean result = TRUE;
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/* If the output bfd does not have a note section, then
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skip the merge. The normal input to output section
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copying will take care of everythng for us. */
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if ((onotes = bfd_get_section_by_name (obfd, V850_NOTE_SECNAME)) == NULL)
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return TRUE;
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if ((inotes = bfd_get_section_by_name (ibfd, V850_NOTE_SECNAME)) != NULL)
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{
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enum v850_notes id;
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bfd_byte * icont;
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bfd_byte * ocont;
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BFD_ASSERT (bfd_section_size (ibfd, inotes) == bfd_section_size (obfd, onotes));
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if ((icont = elf_section_data (inotes)->this_hdr.contents) == NULL)
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BFD_ASSERT (bfd_malloc_and_get_section (ibfd, inotes, & icont));
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if ((ocont = elf_section_data (onotes)->this_hdr.contents) == NULL)
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BFD_ASSERT (bfd_malloc_and_get_section (obfd, onotes, & ocont));
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for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
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{
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unsigned int ival;
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unsigned int oval;
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bfd_byte * idata = icont + ((id - 1) * SIZEOF_V850_NOTE) + 16;
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bfd_byte * odata = ocont + ((id - 1) * SIZEOF_V850_NOTE) + 16;
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ival = bfd_get_32 (ibfd, idata);
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oval = bfd_get_32 (obfd, odata);
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if (ival == 0 || ival == oval)
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continue;
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if (oval == 0)
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{
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bfd_put_32 (obfd, ival, odata);
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v850_set_note (obfd, onotes, id, ival);
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continue;
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}
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/* We have a mismatch. The ABI defines how to handle
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this siutation on a per note type basis. */
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switch (id)
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{
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case V850_NOTE_ALIGNMENT:
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if (oval == EF_RH850_DATA_ALIGN4)
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{
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_bfd_error_handler
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(_("error: %B needs 8-byte aligment but %B is set for 4-byte alignment"),
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ibfd, obfd);
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result = FALSE;
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}
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else
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/* ibfd uses 4-byte alignment, obfd uses 8-byte alignment.
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Leave the obfd alignment as it is. */
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BFD_ASSERT (oval == EF_RH850_DATA_ALIGN8);
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break;
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case V850_NOTE_DATA_SIZE:
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if (oval == EF_RH850_DOUBLE32)
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{
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_bfd_error_handler (_("error: %B uses 64-bit doubles but %B uses 32-bit doubles"),
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ibfd, obfd);
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result = FALSE;
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}
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else
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/* ibfd uses 32-bit doubles, obfd uses 64-bit doubles.
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This is acceptable. Honest, that is what the ABI says. */
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BFD_ASSERT (oval == EF_RH850_DOUBLE64);
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break;
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case V850_NOTE_FPU_INFO:
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if (oval == EF_RH850_FPU20)
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{
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_bfd_error_handler (_("error: %B uses FPU-3.0 but %B only supports FPU-2.0"),
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ibfd, obfd);
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result = FALSE;
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}
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else
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/* ibfd uses FPU-2.0, obfd uses FPU-3.0. Leave obfd as it is. */
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BFD_ASSERT (oval == EF_RH850_FPU30);
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break;
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default:
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/* None of the other conflicts matter.
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Stick with the current output values. */
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break;
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}
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}
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/* FIXME: We should also check for conflicts between the notes
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and the EF flags in the ELF header. */
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}
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return result;
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}
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static void
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print_v850_note (bfd * abfd, FILE * file, bfd_byte * data, enum v850_notes id)
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{
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unsigned int value = bfd_get_32 (abfd, data + ((id - 1) * SIZEOF_V850_NOTE) + 16);
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switch (id)
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{
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case V850_NOTE_ALIGNMENT:
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fprintf (file, _(" alignment of 8-byte entities: "));
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switch (value)
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{
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case EF_RH850_DATA_ALIGN4: fprintf (file, _("4-byte")); break;
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case EF_RH850_DATA_ALIGN8: fprintf (file, _("8-byte")); break;
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case 0: fprintf (file, _("not set")); break;
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default: fprintf (file, _("unknown: %x"), value); break;
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}
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fputc ('\n', file);
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break;
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case V850_NOTE_DATA_SIZE:
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fprintf (file, _(" size of doubles: "));
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switch (value)
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{
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case EF_RH850_DOUBLE32: fprintf (file, _("4-bytes")); break;
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case EF_RH850_DOUBLE64: fprintf (file, _("8-bytes")); break;
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case 0: fprintf (file, _("not set")); break;
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default: fprintf (file, _("unknown: %x"), value); break;
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}
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fputc ('\n', file);
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break;
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case V850_NOTE_FPU_INFO:
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fprintf (file, _(" FPU support required: "));
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switch (value)
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{
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case EF_RH850_FPU20: fprintf (file, _("FPU-2.0")); break;
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case EF_RH850_FPU30: fprintf (file, _("FPU-3.0")); break;
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case 0: fprintf (file, _("none")); break;
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default: fprintf (file, _("unknown: %x"), value); break;
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}
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fputc ('\n', file);
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break;
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case V850_NOTE_SIMD_INFO:
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fprintf (file, _("SIMD use: "));
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switch (value)
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{
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case EF_RH850_SIMD: fprintf (file, _("yes")); break;
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case 0: fprintf (file, _("no")); break;
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default: fprintf (file, _("unknown: %x"), value); break;
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}
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fputc ('\n', file);
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break;
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case V850_NOTE_CACHE_INFO:
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fprintf (file, _("CACHE use: "));
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switch (value)
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{
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case EF_RH850_CACHE: fprintf (file, _("yes")); break;
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case 0: fprintf (file, _("no")); break;
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default: fprintf (file, _("unknown: %x"), value); break;
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}
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fputc ('\n', file);
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break;
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case V850_NOTE_MMU_INFO:
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fprintf (file, _("MMU use: "));
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switch (value)
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{
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case EF_RH850_MMU: fprintf (file, _("yes")); break;
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case 0: fprintf (file, _("no")); break;
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default: fprintf (file, _("unknown: %x"), value); break;
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}
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fputc ('\n', file);
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break;
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default:
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BFD_ASSERT (0);
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}
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}
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static void
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v850_elf_print_notes (bfd * abfd, FILE * file)
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{
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asection * notes = bfd_get_section_by_name (abfd, V850_NOTE_SECNAME);
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enum v850_notes id;
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if (notes == NULL || notes->contents == NULL)
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return;
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BFD_ASSERT (bfd_section_size (abfd, notes) == NUM_V850_NOTES * SIZEOF_V850_NOTE);
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for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
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print_v850_note (abfd, file, notes->contents, id);
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}
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/* Set the right machine number and architecture. */
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static bfd_boolean
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@ -2439,11 +2760,14 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
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{
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flagword out_flags;
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flagword in_flags;
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bfd_boolean result = TRUE;
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if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
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|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
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return TRUE;
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result &= v850_elf_merge_notes (ibfd, obfd);
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in_flags = elf_elfheader (ibfd)->e_flags;
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out_flags = elf_elfheader (obfd)->e_flags;
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||||
@ -2463,14 +2787,14 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
||||
|
||||
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
|
||||
&& bfd_get_arch_info (obfd)->the_default)
|
||||
return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
|
||||
result &= bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
|
||||
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
/* Check flag compatibility. */
|
||||
if (in_flags == out_flags)
|
||||
return TRUE;
|
||||
return result;
|
||||
|
||||
if (bfd_get_arch (obfd) == bfd_arch_v850_rh850)
|
||||
{
|
||||
@ -2481,14 +2805,7 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
||||
elf_elfheader (obfd)->e_flags |= EF_V800_850E3;
|
||||
}
|
||||
|
||||
if ((in_flags & EF_RH850_DATA_ALIGN8) != (out_flags & EF_RH850_DATA_ALIGN8))
|
||||
{
|
||||
_bfd_error_handler (_("%B: Alignment mismatch with previous modules"),
|
||||
ibfd);
|
||||
elf_elfheader (obfd)->e_flags |= EF_RH850_DATA_ALIGN8;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
if ((in_flags & EF_V850_ARCH) != (out_flags & EF_V850_ARCH)
|
||||
@ -2499,14 +2816,14 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
||||
which we set to v850e. */
|
||||
if ( (in_flags & EF_V850_ARCH) == E_V850E1_ARCH
|
||||
&& (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
|
||||
return TRUE;
|
||||
return result;
|
||||
|
||||
if ( (in_flags & EF_V850_ARCH) == E_V850_ARCH
|
||||
&& (out_flags & EF_V850_ARCH) == E_V850E_ARCH)
|
||||
{
|
||||
elf_elfheader (obfd)->e_flags =
|
||||
((out_flags & ~ EF_V850_ARCH) | E_V850E_ARCH);
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
|
||||
@ -2515,7 +2832,7 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
||||
{
|
||||
elf_elfheader (obfd)->e_flags =
|
||||
((out_flags & ~ EF_V850_ARCH) | E_V850E2_ARCH);
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
|
||||
@ -2525,7 +2842,7 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
||||
{
|
||||
elf_elfheader (obfd)->e_flags =
|
||||
((out_flags & ~ EF_V850_ARCH) | E_V850E2V3_ARCH);
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
if (( (in_flags & EF_V850_ARCH) == E_V850_ARCH
|
||||
@ -2536,14 +2853,14 @@ v850_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
||||
{
|
||||
elf_elfheader (obfd)->e_flags =
|
||||
((out_flags & ~ EF_V850_ARCH) | E_V850E3V5_ARCH);
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
_bfd_error_handler (_("%B: Architecture mismatch with previous modules"),
|
||||
ibfd);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
return result;
|
||||
}
|
||||
|
||||
/* Display the flags field. */
|
||||
@ -2568,9 +2885,6 @@ v850_elf_print_private_bfd_data (bfd *abfd, void * ptr)
|
||||
fprintf (file, _("v850 E3 architecture"));
|
||||
else
|
||||
fprintf (file, _("v850 architecture"));
|
||||
|
||||
if (elf_elfheader (abfd)->e_flags & EF_RH850_DATA_ALIGN8)
|
||||
fprintf (file, _(", 8-byte data alignment"));
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -2588,6 +2902,8 @@ v850_elf_print_private_bfd_data (bfd *abfd, void * ptr)
|
||||
|
||||
fputc ('\n', file);
|
||||
|
||||
v850_elf_print_notes (abfd, file);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
@ -2860,6 +3176,12 @@ v850_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
||||
hdr->sh_type = SHT_V850_TCOMMON;
|
||||
else if (strcmp (name, ".zcommon") == 0)
|
||||
hdr->sh_type = SHT_V850_ZCOMMON;
|
||||
/* Tweak the section type of .note.renesas. */
|
||||
else if (strcmp (name, V850_NOTE_SECNAME) == 0)
|
||||
{
|
||||
hdr->sh_type = SHT_RENESAS_INFO;
|
||||
hdr->sh_entsize = SIZEOF_V850_NOTE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
@ -3911,7 +4233,6 @@ v800_elf_info_to_howto (bfd * abfd,
|
||||
cache_ptr->howto = v800_elf_howto_table + r_type;
|
||||
}
|
||||
|
||||
|
||||
#undef TARGET_LITTLE_SYM
|
||||
#define TARGET_LITTLE_SYM v800_elf32_vec
|
||||
#undef TARGET_LITTLE_NAME
|
||||
|
||||
@ -1,3 +1,16 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* readelf.c (get_machine_flags): Remove deprecated V850 machine
|
||||
flags.
|
||||
(get_v850_section_type_name): New function. Handles V850 special
|
||||
sections.
|
||||
(get_section_type_name): Add support for V850.
|
||||
(get_v850_elf_note_type): New function. Returns the name of a
|
||||
V850 note.
|
||||
(print_v850_note): New function. Prints a V850 note.
|
||||
(process_v850_notes): New function. Prints V850 notes.
|
||||
(process_note_sections): Add support for V850.
|
||||
|
||||
2015-02-24 Mike Frysinger <vapier@gentoo.org>
|
||||
|
||||
PR binutils/17531
|
||||
|
||||
@ -2952,12 +2952,8 @@ get_machine_flags (unsigned e_flags, unsigned e_machine)
|
||||
{
|
||||
case EF_RH850_FPU_DOUBLE: strcat (buf, ", double precision FPU"); break;
|
||||
case EF_RH850_FPU_SINGLE: strcat (buf, ", single precision FPU"); break;
|
||||
case EF_RH850_SIMD: strcat (buf, ", SIMD"); break;
|
||||
case EF_RH850_CACHE: strcat (buf, ", CACHE"); break;
|
||||
case EF_RH850_MMU: strcat (buf, ", MMU"); break;
|
||||
case EF_RH850_REGMODE22: strcat (buf, ", regmode:22"); break;
|
||||
case EF_RH850_REGMODE32: strcat (buf, ", regmode:23"); break;
|
||||
case EF_RH850_DATA_ALIGN8: strcat (buf, ", 8-byte alignment"); break;
|
||||
case EF_RH850_GP_FIX: strcat (buf, ", r4 fixed"); break;
|
||||
case EF_RH850_GP_NOFIX: strcat (buf, ", r4 free"); break;
|
||||
case EF_RH850_EP_FIX: strcat (buf, ", r30 fixed"); break;
|
||||
@ -3758,6 +3754,20 @@ get_msp430x_section_type_name (unsigned int sh_type)
|
||||
}
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_v850_section_type_name (unsigned int sh_type)
|
||||
{
|
||||
switch (sh_type)
|
||||
{
|
||||
case SHT_V850_SCOMMON: return "V850 Small Common";
|
||||
case SHT_V850_TCOMMON: return "V850 Tiny Common";
|
||||
case SHT_V850_ZCOMMON: return "V850 Zero Common";
|
||||
case SHT_RENESAS_IOP: return "RENESAS IOP";
|
||||
case SHT_RENESAS_INFO: return "RENESAS INFO";
|
||||
default: return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_section_type_name (unsigned int sh_type)
|
||||
{
|
||||
@ -3826,6 +3836,11 @@ get_section_type_name (unsigned int sh_type)
|
||||
case EM_MSP430:
|
||||
result = get_msp430x_section_type_name (sh_type);
|
||||
break;
|
||||
case EM_V800:
|
||||
case EM_V850:
|
||||
case EM_CYGNUS_V850:
|
||||
result = get_v850_section_type_name (sh_type);
|
||||
break;
|
||||
default:
|
||||
result = NULL;
|
||||
break;
|
||||
@ -3856,7 +3871,19 @@ get_section_type_name (unsigned int sh_type)
|
||||
sprintf (buff, "LOOS+%x", sh_type - SHT_LOOS);
|
||||
}
|
||||
else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
|
||||
{
|
||||
switch (elf_header.e_machine)
|
||||
{
|
||||
case EM_V800:
|
||||
case EM_V850:
|
||||
case EM_CYGNUS_V850:
|
||||
return get_v850_section_type_name (sh_type);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
sprintf (buff, "LOUSER+%x", sh_type - SHT_LOUSER);
|
||||
}
|
||||
else
|
||||
/* This message is probably going to be displayed in a 15
|
||||
character wide field, so put the hex value first. */
|
||||
@ -14807,6 +14834,85 @@ print_gnu_note (Elf_Internal_Note *pnote)
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_v850_elf_note_type (enum v850_notes n_type)
|
||||
{
|
||||
static char buff[64];
|
||||
|
||||
switch (n_type)
|
||||
{
|
||||
case V850_NOTE_ALIGNMENT: return _("Alignment of 8-byte objects");
|
||||
case V850_NOTE_DATA_SIZE: return _("Sizeof double and long double");
|
||||
case V850_NOTE_FPU_INFO: return _("Type of FPU support needed");
|
||||
case V850_NOTE_SIMD_INFO: return _("Use of SIMD instructions");
|
||||
case V850_NOTE_CACHE_INFO: return _("Use of cache");
|
||||
case V850_NOTE_MMU_INFO: return _("Use of MMU");
|
||||
default:
|
||||
snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), n_type);
|
||||
return buff;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
print_v850_note (Elf_Internal_Note * pnote)
|
||||
{
|
||||
unsigned int val;
|
||||
|
||||
if (pnote->descsz != 4)
|
||||
return 0;
|
||||
val = byte_get ((unsigned char *) pnote->descdata, pnote->descsz);
|
||||
|
||||
if (val == 0)
|
||||
{
|
||||
printf (_("not set\n"));
|
||||
return 1;
|
||||
}
|
||||
|
||||
switch (pnote->type)
|
||||
{
|
||||
case V850_NOTE_ALIGNMENT:
|
||||
switch (val)
|
||||
{
|
||||
case EF_RH850_DATA_ALIGN4: printf (_("4-byte\n")); return 1;
|
||||
case EF_RH850_DATA_ALIGN8: printf (_("8-byte\n")); return 1;
|
||||
}
|
||||
break;
|
||||
|
||||
case V850_NOTE_DATA_SIZE:
|
||||
switch (val)
|
||||
{
|
||||
case EF_RH850_DOUBLE32: printf (_("4-bytes\n")); return 1;
|
||||
case EF_RH850_DOUBLE64: printf (_("8-bytes\n")); return 1;
|
||||
}
|
||||
break;
|
||||
|
||||
case V850_NOTE_FPU_INFO:
|
||||
switch (val)
|
||||
{
|
||||
case EF_RH850_FPU20: printf (_("FPU-2.0\n")); return 1;
|
||||
case EF_RH850_FPU30: printf (_("FPU-3.0\n")); return 1;
|
||||
}
|
||||
break;
|
||||
|
||||
case V850_NOTE_MMU_INFO:
|
||||
case V850_NOTE_CACHE_INFO:
|
||||
case V850_NOTE_SIMD_INFO:
|
||||
if (val == EF_RH850_SIMD)
|
||||
{
|
||||
printf (_("yes\n"));
|
||||
return 1;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
/* An 'unknown note type' message will already have been displayed. */
|
||||
break;
|
||||
}
|
||||
|
||||
printf (_("unknown value: %x\n"), val);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const char *
|
||||
get_netbsd_elfcore_note_type (unsigned e_type)
|
||||
{
|
||||
@ -15247,6 +15353,78 @@ process_corefile_note_segments (FILE * file)
|
||||
return res;
|
||||
}
|
||||
|
||||
static int
|
||||
process_v850_notes (FILE * file, bfd_vma offset, bfd_vma length)
|
||||
{
|
||||
Elf_External_Note * pnotes;
|
||||
Elf_External_Note * external;
|
||||
int res = 1;
|
||||
|
||||
if (length <= 0)
|
||||
return 0;
|
||||
|
||||
pnotes = (Elf_External_Note *) get_data (NULL, file, offset, 1, length,
|
||||
_("v850 notes"));
|
||||
if (pnotes == NULL)
|
||||
return 0;
|
||||
|
||||
external = pnotes;
|
||||
|
||||
printf (_("\nDisplaying contents of Renesas V850 notes section at offset 0x%lx with length 0x%lx:\n"),
|
||||
(unsigned long) offset, (unsigned long) length);
|
||||
|
||||
while (external < (Elf_External_Note *) ((char *) pnotes + length))
|
||||
{
|
||||
Elf_External_Note * next;
|
||||
Elf_Internal_Note inote;
|
||||
|
||||
inote.type = BYTE_GET (external->type);
|
||||
inote.namesz = BYTE_GET (external->namesz);
|
||||
inote.namedata = external->name;
|
||||
inote.descsz = BYTE_GET (external->descsz);
|
||||
inote.descdata = inote.namedata + align_power (inote.namesz, 2);
|
||||
inote.descpos = offset + (inote.descdata - (char *) pnotes);
|
||||
|
||||
next = (Elf_External_Note *) (inote.descdata + align_power (inote.descsz, 2));
|
||||
|
||||
if ( ((char *) next > ((char *) pnotes) + length)
|
||||
|| ((char *) next < (char *) pnotes))
|
||||
{
|
||||
warn (_("corrupt descsz found in note at offset 0x%lx\n"),
|
||||
(unsigned long) ((char *) external - (char *) pnotes));
|
||||
warn (_(" type: 0x%lx, namesize: 0x%lx, descsize: 0x%lx\n"),
|
||||
inote.type, inote.namesz, inote.descsz);
|
||||
break;
|
||||
}
|
||||
|
||||
external = next;
|
||||
|
||||
/* Prevent out-of-bounds indexing. */
|
||||
if ( inote.namedata + inote.namesz > (char *) pnotes + length
|
||||
|| inote.namedata + inote.namesz < inote.namedata)
|
||||
{
|
||||
warn (_("corrupt namesz found in note at offset 0x%lx\n"),
|
||||
(unsigned long) ((char *) external - (char *) pnotes));
|
||||
warn (_(" type: 0x%lx, namesize: 0x%lx, descsize: 0x%lx\n"),
|
||||
inote.type, inote.namesz, inote.descsz);
|
||||
break;
|
||||
}
|
||||
|
||||
printf (" %s: ", get_v850_elf_note_type (inote.type));
|
||||
|
||||
if (! print_v850_note (& inote))
|
||||
{
|
||||
res = 0;
|
||||
printf ("<corrupt sizes: namesz: %lx, descsz: %lx>\n",
|
||||
inote.namesz, inote.descsz);
|
||||
}
|
||||
}
|
||||
|
||||
free (pnotes);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static int
|
||||
process_note_sections (FILE * file)
|
||||
{
|
||||
@ -15258,6 +15436,7 @@ process_note_sections (FILE * file)
|
||||
for (i = 0, section = section_headers;
|
||||
i < elf_header.e_shnum && section != NULL;
|
||||
i++, section++)
|
||||
{
|
||||
if (section->sh_type == SHT_NOTE)
|
||||
{
|
||||
res &= process_corefile_note_segment (file,
|
||||
@ -15266,6 +15445,18 @@ process_note_sections (FILE * file)
|
||||
n++;
|
||||
}
|
||||
|
||||
if (( elf_header.e_machine == EM_V800
|
||||
|| elf_header.e_machine == EM_V850
|
||||
|| elf_header.e_machine == EM_CYGNUS_V850)
|
||||
&& section->sh_type == SHT_RENESAS_INFO)
|
||||
{
|
||||
res &= process_v850_notes (file,
|
||||
(bfd_vma) section->sh_offset,
|
||||
(bfd_vma) section->sh_size);
|
||||
n++;
|
||||
}
|
||||
}
|
||||
|
||||
if (n == 0)
|
||||
/* Try processing NOTE segments instead. */
|
||||
return process_corefile_note_segments (file);
|
||||
|
||||
@ -1,3 +1,7 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* binutils-all/objcopy.exp: Skip the strip-10 test for the V850.
|
||||
|
||||
2015-01-01 Alan Modra <amodra@gmail.com>
|
||||
|
||||
Update year range in copyright notice of all files.
|
||||
|
||||
@ -954,9 +954,11 @@ if [is_elf_format] {
|
||||
run_dump_test "strip-8"
|
||||
run_dump_test "strip-9"
|
||||
# Non-EABI ARM targets will set OSABI to ARM
|
||||
# The V850 sets the OSABI to UNIX - System V
|
||||
if { ![istarget "*-*-hpux*"]
|
||||
&& ![istarget "msp*-*-*"]
|
||||
&& ![istarget "visium-*-*"]
|
||||
&& ![istarget "v850*-*-*"]
|
||||
&& !([istarget "arm*-*-*"] && ![istarget "arm-*-*eabi*"])} {
|
||||
run_dump_test "strip-10"
|
||||
}
|
||||
|
||||
@ -1,3 +1,14 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* config/tc-v850.c (soft_float): New variable.
|
||||
(v850_data_8): New variable.
|
||||
(md_show_usage): Add -msoft-float/-mhard-float.
|
||||
(md_parse_option): Likewise.
|
||||
(md_begin): Set the default value of soft_float.
|
||||
(v850_md_end): New function. Creates a note section.
|
||||
* config/tc-v850.h (md_end): Define.
|
||||
* doc/c-v850.texi: Document -msoft-float/-mhard-float.
|
||||
|
||||
2015-02-23 Yoshinori Sato <ysato@users.sourceforge.jp>
|
||||
|
||||
* config/tc-h8300.c (line_separater_chars): Add a version for
|
||||
|
||||
@ -31,6 +31,9 @@
|
||||
static bfd_boolean warn_signed_overflows = FALSE;
|
||||
static bfd_boolean warn_unsigned_overflows = FALSE;
|
||||
|
||||
/* Non-zero if floating point insns are not being used. */
|
||||
static signed int soft_float = -1;
|
||||
|
||||
/* Indicates the target BFD machine number. */
|
||||
static int machine = -1;
|
||||
|
||||
@ -1537,6 +1540,8 @@ struct option md_longopts[] =
|
||||
|
||||
size_t md_longopts_size = sizeof (md_longopts);
|
||||
|
||||
static bfd_boolean v850_data_8 = FALSE;
|
||||
|
||||
void
|
||||
md_show_usage (FILE *stream)
|
||||
{
|
||||
@ -1560,6 +1565,8 @@ md_show_usage (FILE *stream)
|
||||
fprintf (stream, _(" -mrh850-abi Mark the binary as using the RH850 ABI (default)\n"));
|
||||
fprintf (stream, _(" -m8byte-align Mark the binary as using 64-bit alignment\n"));
|
||||
fprintf (stream, _(" -m4byte-align Mark the binary as using 32-bit alignment (default)\n"));
|
||||
fprintf (stream, _(" -msoft-float Mark the binary as not using FP insns (default for pre e2v3)\n"));
|
||||
fprintf (stream, _(" -mhard-float Mark the binary as using FP insns (default for e2v3 and up)\n"));
|
||||
}
|
||||
|
||||
int
|
||||
@ -1645,6 +1652,14 @@ md_parse_option (int c, char *arg)
|
||||
v850_target_arch = bfd_arch_v850_rh850;
|
||||
v850_target_format = "elf32-v850-rh850";
|
||||
}
|
||||
else if (strcmp (arg, "8byte-align") == 0)
|
||||
v850_data_8 = TRUE;
|
||||
else if (strcmp (arg, "4byte-align") == 0)
|
||||
v850_data_8 = FALSE;
|
||||
else if (strcmp (arg, "soft-float") == 0)
|
||||
soft_float = 1;
|
||||
else if (strcmp (arg, "hard-float") == 0)
|
||||
soft_float = 0;
|
||||
else if (strcmp (arg, "8byte-align") == 0)
|
||||
v850_e_flags |= EF_RH850_DATA_ALIGN8;
|
||||
else if (strcmp (arg, "4byte-align") == 0)
|
||||
@ -1940,6 +1955,9 @@ md_begin (void)
|
||||
as_bad (_("Unable to determine default target processor from string: %s"),
|
||||
TARGET_CPU);
|
||||
|
||||
if (soft_float == -1)
|
||||
soft_float = machine < bfd_mach_v850e2v3;
|
||||
|
||||
v850_hash = hash_new ();
|
||||
|
||||
/* Insert unique names into hash table. The V850 instruction set
|
||||
@ -3716,3 +3734,73 @@ v850_force_relocation (struct fix *fixP)
|
||||
|
||||
return generic_force_reloc (fixP);
|
||||
}
|
||||
|
||||
/* Create a v850 note section. */
|
||||
void
|
||||
v850_md_end (void)
|
||||
{
|
||||
segT note_sec;
|
||||
segT orig_seg = now_seg;
|
||||
subsegT orig_subseg = now_subseg;
|
||||
enum v850_notes id;
|
||||
|
||||
note_sec = subseg_new (V850_NOTE_SECNAME, 0);
|
||||
bfd_set_section_flags (stdoutput, note_sec, SEC_HAS_CONTENTS | SEC_READONLY | SEC_MERGE);
|
||||
bfd_set_section_alignment (stdoutput, note_sec, 2);
|
||||
|
||||
/* Provide default values for all of the notes. */
|
||||
for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
|
||||
{
|
||||
int val = 0;
|
||||
char * p;
|
||||
|
||||
/* Follow the standard note section layout:
|
||||
First write the length of the name string. */
|
||||
p = frag_more (4);
|
||||
md_number_to_chars (p, 4, 4);
|
||||
|
||||
/* Next comes the length of the "descriptor", i.e., the actual data. */
|
||||
p = frag_more (4);
|
||||
md_number_to_chars (p, 4, 4);
|
||||
|
||||
/* Write the note type. */
|
||||
p = frag_more (4);
|
||||
md_number_to_chars (p, (valueT) id, 4);
|
||||
|
||||
/* Write the name field. */
|
||||
p = frag_more (4);
|
||||
memcpy (p, V850_NOTE_NAME, 4);
|
||||
|
||||
/* Finally, write the descriptor. */
|
||||
p = frag_more (4);
|
||||
switch (id)
|
||||
{
|
||||
case V850_NOTE_ALIGNMENT:
|
||||
val = v850_data_8 ? EF_RH850_DATA_ALIGN8 : EF_RH850_DATA_ALIGN4;
|
||||
break;
|
||||
|
||||
case V850_NOTE_DATA_SIZE:
|
||||
/* GCC does not currently support an option
|
||||
for 32-bit doubles with the V850 backend. */
|
||||
val = EF_RH850_DOUBLE64;
|
||||
break;
|
||||
|
||||
case V850_NOTE_FPU_INFO:
|
||||
if (! soft_float)
|
||||
switch (machine)
|
||||
{
|
||||
case bfd_mach_v850e3v5: val = EF_RH850_FPU30; break;
|
||||
case bfd_mach_v850e2v3: val = EF_RH850_FPU20; break;
|
||||
default: break;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
md_number_to_chars (p, val, 4);
|
||||
}
|
||||
|
||||
/* Paranoia - we probably do not need this. */
|
||||
subseg_set (orig_seg, orig_subseg);
|
||||
}
|
||||
|
||||
@ -84,3 +84,6 @@ extern long v850_pcrel_from_section (struct fix *, asection *);
|
||||
processed so that the resulting value can be inserted correctly. */
|
||||
#define TC_FIX_TYPE void *
|
||||
#define TC_INIT_FIX_DATA(fixP) (fixP)->tc_fix_data = NULL
|
||||
|
||||
#define md_end v850_md_end
|
||||
extern void v850_md_end (void);
|
||||
|
||||
@ -100,24 +100,39 @@ attempt to relax them.
|
||||
|
||||
@cindex @code{-mgcc-abi} command line option, V850
|
||||
@item -mgcc-abi
|
||||
Marks the generated objecy file as supporting the old GCC ABI.
|
||||
Marks the generated object file as supporting the old GCC ABI.
|
||||
|
||||
@cindex @code{-mrh850-abi} command line option, V850
|
||||
@item -mrh850-abi
|
||||
Marks the generated objecy file as supporting the RH850 ABI. This is
|
||||
Marks the generated object file as supporting the RH850 ABI. This is
|
||||
the default.
|
||||
|
||||
@cindex @code{-m8byte-align} command line option, V850
|
||||
@item -m8byte-align
|
||||
Marks the generated objecy file as supporting a maximum 64-bits of
|
||||
Marks the generated object file as supporting a maximum 64-bits of
|
||||
alignment for variables defined in the source code.
|
||||
|
||||
@cindex @code{-m4byte-align} command line option, V850
|
||||
@item -m4byte-align
|
||||
Marks the generated objecy file as supporting a maximum 32-bits of
|
||||
Marks the generated object file as supporting a maximum 32-bits of
|
||||
alignment for variables defined in the source code. This is the
|
||||
default.
|
||||
|
||||
@cindex @code{-msoft-float} command line option, V850
|
||||
@item -msoft-float
|
||||
Marks the generated object file as not using any floating point
|
||||
instructions - and hence can be linked with other V850 binaries
|
||||
that do or do not use floating point. This is the default for
|
||||
binaries for architectures earlier than the @code{e2v3}.
|
||||
|
||||
@cindex @code{-mhard-float} command line option, V850
|
||||
@item -mhard-float
|
||||
Marks the generated object file as one that uses floating point
|
||||
instructions - and hence can only be linked with other V850 binaries
|
||||
that use the same kind of floating point instructions, or with
|
||||
binaries that do not use floating point at all. This is the default
|
||||
for binaries the @code{e2v3} and later architectures.
|
||||
|
||||
@end table
|
||||
|
||||
@node V850 Syntax
|
||||
|
||||
@ -1,3 +1,9 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* gas/elf/elf.exp: Add special version of the section2 test for
|
||||
the V850.
|
||||
* gas/elf/section2.e-v850: New file.
|
||||
|
||||
2015-02-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
|
||||
|
||||
* gas/arm/armv1.l: Remove 'Warning: ' from expected messages
|
||||
|
||||
@ -76,6 +76,9 @@ if { [is_elf_format] } then {
|
||||
if {[istarget "rx-*-*"]} then {
|
||||
set target_machine -rx
|
||||
}
|
||||
if {[istarget "v850*-*-*"]} then {
|
||||
set target_machine -v850
|
||||
}
|
||||
if {[istarget "arm*-*-*"]} {
|
||||
set target_machine -arm
|
||||
}
|
||||
|
||||
9
gas/testsuite/gas/elf/section2.e-v850
Normal file
9
gas/testsuite/gas/elf/section2.e-v850
Normal file
@ -0,0 +1,9 @@
|
||||
|
||||
Symbol table '.symtab' contains 6 entries:
|
||||
+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
|
||||
+0: 0+0 +0 +NOTYPE +LOCAL +DEFAULT +UND
|
||||
+1: 0+0 +0 +SECTION +LOCAL +DEFAULT +1
|
||||
+2: 0+0 +0 +SECTION +LOCAL +DEFAULT +2
|
||||
+3: 0+0 +0 +SECTION +LOCAL +DEFAULT +3
|
||||
+4: 0+0 +0 +SECTION +LOCAL +DEFAULT +4
|
||||
+5: 0+0 +0 +SECTION +LOCAL +DEFAULT +5
|
||||
@ -1,3 +1,17 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* v850.h (EF_RH850_SIMD): Delete deprecated flag.
|
||||
(EF_RH850_CACHE): Likewise.
|
||||
(EF_RH850_MMU): Likewise.
|
||||
(EF_RH850_DATA_ALIGN8): Likewise.
|
||||
(SHT_RENESAS_IOP): Fix typo in name.
|
||||
(SHT_RENESAS_INFO): Define.
|
||||
(V850_NOTE_SECNAME): Define.
|
||||
(SIZEOF_V850_NOTE): Define.
|
||||
(V850_NOTE_NAME): Define.
|
||||
(enum v850_notes): New enum.
|
||||
(NUM_V850_NOTES): Define.
|
||||
|
||||
2015-02-23 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
PR 17915
|
||||
|
||||
@ -158,12 +158,8 @@ END_RELOC_NUMBERS (R_V850_max)
|
||||
|
||||
#define EF_RH850_FPU_DOUBLE 0x00000001 /* sizeof(double) == 8. */
|
||||
#define EF_RH850_FPU_SINGLE 0x00000002 /* sizeof(double) == 4. */
|
||||
#define EF_RH850_SIMD 0x00000004
|
||||
#define EF_RH850_CACHE 0x00000008
|
||||
#define EF_RH850_MMU 0x00000010
|
||||
#define EF_RH850_REGMODE22 0x00000020 /* Registers r15-r24 (inclusive) are not used. */
|
||||
#define EF_RH850_REGMODE32 0x00000040
|
||||
#define EF_RH850_DATA_ALIGN8 0x00000080 /* 8-byte alignment supported. */
|
||||
#define EF_RH850_GP_FIX 0x00000100 /* r4 is fixed. */
|
||||
#define EF_RH850_GP_NOFIX 0x00000200 /* r4 is callee save. */
|
||||
#define EF_RH850_EP_FIX 0x00000400 /* r30 is fixed. */
|
||||
@ -173,7 +169,7 @@ END_RELOC_NUMBERS (R_V850_max)
|
||||
#define EF_RH850_REG2_RESERVE 0x00004000 /* r2 is fixed. */
|
||||
#define EF_RH850_REG2_NORESERVE 0x00008000 /* r2 is callee saved. */
|
||||
|
||||
#define SHT_RNESAS_IOP SHT_LOUSER /* Used by Renesas linker. */
|
||||
#define SHT_RENESAS_IOP SHT_LOUSER /* Used by Renesas linker. */
|
||||
|
||||
#define SHF_RENESAS_ABS 0x80000000 /* Absolute section. */
|
||||
#define SHF_GHS_ABS 0x00000400 /* Use unknown. */
|
||||
@ -280,4 +276,54 @@ START_RELOC_NUMBERS (v800_reloc_type)
|
||||
|
||||
END_RELOC_NUMBERS (R_V800_max)
|
||||
|
||||
/* Type for Renesas note sections. NB/ This is in application space
|
||||
rather than processor space as it refers to the requirements of the
|
||||
binary concerned. A given processor may be able to handle multiple
|
||||
different types of application. */
|
||||
#define SHT_RENESAS_INFO 0xa0000000
|
||||
|
||||
/* Contents of a Renesas note entry:
|
||||
|
||||
namesz +------------------+
|
||||
| 4 | "REL\0"
|
||||
descsz +------------------+
|
||||
| 4 | Currently 4byte only
|
||||
type +------------------+
|
||||
| ID |
|
||||
name +------------------+
|
||||
| REL\0 |
|
||||
desc +------------------+
|
||||
| Value |
|
||||
+------------------+ */
|
||||
|
||||
#define V850_NOTE_SECNAME ".note.renesas"
|
||||
#define SIZEOF_V850_NOTE 20
|
||||
#define V850_NOTE_NAME "REL"
|
||||
|
||||
enum v850_notes
|
||||
{
|
||||
V850_NOTE_ALIGNMENT = 1, /* Alignment of 8-byte entities. */
|
||||
#define EF_RH850_DATA_ALIGN4 0x0001 /* Aligned to 4-byte bounadries. */
|
||||
#define EF_RH850_DATA_ALIGN8 0x0002 /* Aligned to 8-byte bounadries. */
|
||||
|
||||
V850_NOTE_DATA_SIZE = 2, /* Sizeof double and long double. */
|
||||
#define EF_RH850_DOUBLE32 0x0001 /* 32-bits in size. */
|
||||
#define EF_RH850_DOUBLE64 0x0002 /* 64-bits in size. */
|
||||
|
||||
V850_NOTE_FPU_INFO = 3, /* Defined if extended floating point insns are used. */
|
||||
#define EF_RH850_FPU20 0x0001 /* Set if [N]]M{ADD|SUB}F.S are used. */
|
||||
#define EF_RH850_FPU30 0x0002 /* Set if ADSF.D or ADDF.D is used. */
|
||||
|
||||
V850_NOTE_SIMD_INFO = 4,
|
||||
#define EF_RH850_SIMD 0x0001
|
||||
|
||||
V850_NOTE_CACHE_INFO = 5,
|
||||
#define EF_RH850_CACHE 0x0001
|
||||
|
||||
V850_NOTE_MMU_INFO = 6
|
||||
#define EF_RH850_MMU 0x0001
|
||||
};
|
||||
|
||||
#define NUM_V850_NOTES V850_NOTE_MMU_INFO
|
||||
|
||||
#endif /* _ELF_V850_H */
|
||||
|
||||
12
ld/ChangeLog
12
ld/ChangeLog
@ -1,3 +1,15 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* Makefile.am (ev850.c): Add dependency upon
|
||||
$(srcdir)/emultempl/v850elf.em.
|
||||
(ev850_rh850.c): Likewise.
|
||||
* Makefile.in: Regenerate.
|
||||
* emultempl/v850elf.em: New file.
|
||||
* emulparams/v850.sh (EXTRA_EM_FILE): Define.
|
||||
* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
|
||||
* scripttempl/v850.sc: Add .note.renesas section.
|
||||
* scripttempl/v850_rh850.sc: Likewise.
|
||||
|
||||
2015-02-24 Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
|
||||
|
||||
* scripttempl/avr.sc: Add new user_signatures region. Define and
|
||||
|
||||
@ -1777,10 +1777,10 @@ etic54xcoff.c: $(srcdir)/emulparams/tic54xcoff.sh \
|
||||
etic80coff.c: $(srcdir)/emulparams/tic80coff.sh \
|
||||
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic80coff.sc ${GEN_DEPENDS}
|
||||
|
||||
ev850.c: $(srcdir)/emulparams/v850.sh \
|
||||
ev850.c: $(srcdir)/emulparams/v850.sh $(srcdir)/emultempl/v850elf.em \
|
||||
$(ELF_DEPS) $(srcdir)/scripttempl/v850.sc ${GEN_DEPENDS}
|
||||
|
||||
ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh \
|
||||
ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh $(srcdir)/emultempl/v850elf.em \
|
||||
$(ELF_DEPS) $(srcdir)/scripttempl/v850_rh850.sc ${GEN_DEPENDS}
|
||||
|
||||
evanilla.c: $(srcdir)/emulparams/vanilla.sh \
|
||||
|
||||
@ -3264,10 +3264,10 @@ etic54xcoff.c: $(srcdir)/emulparams/tic54xcoff.sh \
|
||||
etic80coff.c: $(srcdir)/emulparams/tic80coff.sh \
|
||||
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic80coff.sc ${GEN_DEPENDS}
|
||||
|
||||
ev850.c: $(srcdir)/emulparams/v850.sh \
|
||||
ev850.c: $(srcdir)/emulparams/v850.sh $(srcdir)/emultempl/v850elf.em \
|
||||
$(ELF_DEPS) $(srcdir)/scripttempl/v850.sc ${GEN_DEPENDS}
|
||||
|
||||
ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh \
|
||||
ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh $(srcdir)/emultempl/v850elf.em \
|
||||
$(ELF_DEPS) $(srcdir)/scripttempl/v850_rh850.sc ${GEN_DEPENDS}
|
||||
|
||||
evanilla.c: $(srcdir)/emulparams/vanilla.sh \
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
MACHINE=
|
||||
SCRIPT_NAME=v850
|
||||
EXTRA_EM_FILE=v850elf
|
||||
OUTPUT_FORMAT="elf32-v850"
|
||||
TEXT_START_ADDR=0x100000
|
||||
ZDATA_START_ADDR=0x160
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
MACHINE=
|
||||
SCRIPT_NAME=v850_rh850
|
||||
EXTRA_EM_FILE=v850elf
|
||||
OUTPUT_FORMAT="elf32-v850-rh850"
|
||||
TEXT_START_ADDR=0x100000
|
||||
ZDATA_START_ADDR=0x160
|
||||
|
||||
54
ld/emultempl/v850elf.em
Normal file
54
ld/emultempl/v850elf.em
Normal file
@ -0,0 +1,54 @@
|
||||
# This shell script emits a C file. -*- C -*-
|
||||
# Copyright 2013-2015 Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is part of the GNU Binutils.
|
||||
#
|
||||
# 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
|
||||
# MA 02110-1301, USA.
|
||||
#
|
||||
|
||||
# This file is sourced from elf32.em, and defines extra cpu specific
|
||||
# features.
|
||||
#
|
||||
fragment <<EOF
|
||||
#include "ldctor.h"
|
||||
|
||||
static bfd_boolean
|
||||
is_v850_target (void)
|
||||
{
|
||||
extern const bfd_target v850_elf32_vec;
|
||||
extern const bfd_target v800_elf32_vec;
|
||||
|
||||
return link_info.output_bfd->xvec == & v850_elf32_vec
|
||||
|| link_info.output_bfd->xvec == & v800_elf32_vec;
|
||||
}
|
||||
|
||||
/* Create our note section. */
|
||||
|
||||
static void
|
||||
v850_after_open (void)
|
||||
{
|
||||
if (is_v850_target ()
|
||||
&& ! link_info.relocatable
|
||||
&& link_info.input_bfds != NULL
|
||||
&& ! v850_elf_create_sections (& link_info))
|
||||
einfo ("%X%P: can not create note section: %E\n");
|
||||
|
||||
gld${EMULATION_NAME}_after_open ();
|
||||
}
|
||||
|
||||
EOF
|
||||
|
||||
LDEMUL_AFTER_OPEN=v850_after_open
|
||||
@ -194,6 +194,8 @@ SECTIONS
|
||||
${RELOCATING+PROVIDE (end = .);}
|
||||
${RELOCATING+PROVIDE (_heap_start = .);}
|
||||
|
||||
.note.renesas 0 : { KEEP(*(.note.renesas)) }
|
||||
|
||||
/* Stabs debugging sections. */
|
||||
.stab 0 : { *(.stab) }
|
||||
.stabstr 0 : { *(.stabstr) }
|
||||
|
||||
@ -214,6 +214,8 @@ SECTIONS
|
||||
${RELOCATING+PROVIDE (end = .);}
|
||||
${RELOCATING+PROVIDE (_heap_start = .);}
|
||||
|
||||
.note.renesas 0 : { KEEP(*(.note.renesas)) }
|
||||
|
||||
/* Stabs debugging sections. */
|
||||
.stab 0 : { *(.stab) }
|
||||
.stabstr 0 : { *(.stabstr) }
|
||||
|
||||
@ -1,3 +1,7 @@
|
||||
2015-02-24 Nick Clifton <nickc@redhat.com>
|
||||
|
||||
* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
|
||||
|
||||
2015-02-24 Alan Modra <amodra@gmail.com>
|
||||
|
||||
* ld-elf/merge3.s, * ld-elf/merge3.d: New test.
|
||||
|
||||
@ -3,8 +3,9 @@
|
||||
#ld: -Textract-symbol-1.ld
|
||||
#objcopy_linked_file: --extract-symbol
|
||||
#objdump: --headers
|
||||
#xfail: "hppa*-*-*" "rx-*-*"
|
||||
#xfail: "hppa*-*-*" "rx-*-*" "v850*-*-*"
|
||||
# FAILS on the RX because the linker has to set LMA == VMA for the Renesas loader.
|
||||
# FAILS on the V850 because an extra section - .note.renesas - is created.
|
||||
#...
|
||||
Sections:
|
||||
*Idx +Name +Size +VMA +LMA .*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user