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Fix bug when generating REL type relocs for assembler generated build notes.

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PR 24748
	* write.c (create_note_reloc): Add desc2_offset parameter.  Change
	name of offset parameter to note_offset.  Only use desc2_offset
	when placing addend into REL reloc's address space.
	(maybe_generate_build_notes): Update parameters passed to
	create_note_reloc.
This commit is contained in:
Nick Clifton
2019-07-01 16:19:14 +01:00
parent 41be57caf3
commit 269b4ded72
2 changed files with 21 additions and 10 deletions
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9
gas/ChangeLog
View File

@ -1,3 +1,12 @@
2019-07-01 Nick Clifton <nickc@redhat.com>
PR 24748
* write.c (create_note_reloc): Add desc2_offset parameter. Change
name of offset parameter to note_offset. Only use desc2_offset
when placing addend into REL reloc's address space.
(maybe_generate_build_notes): Update parameters passed to
create_note_reloc.
2019-07-01 Matthew Malcomson <matthew.malcomson@arm.com> 2019-07-01 Matthew Malcomson <matthew.malcomson@arm.com>
* testsuite/gas/aarch64/illegal-sve2-aes.d: Update tests. * testsuite/gas/aarch64/illegal-sve2-aes.d: Update tests.

16
gas/write.c
View File

@ -1240,6 +1240,7 @@ write_relocs (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED)
/* Extract relocs for this section from reloc_list. */ /* Extract relocs for this section from reloc_list. */
rp = &reloc_list; rp = &reloc_list;
my_reloc_list = NULL; my_reloc_list = NULL;
while ((r = *rp) != NULL) while ((r = *rp) != NULL)
{ {
@ -1889,7 +1890,8 @@ create_obj_attrs_section (void)
static void static void
create_note_reloc (segT sec, create_note_reloc (segT sec,
symbolS * sym, symbolS * sym,
bfd_size_type offset, bfd_size_type note_offset,
bfd_size_type desc2_offset,
int reloc_type, int reloc_type,
bfd_vma addend, bfd_vma addend,
char * note) char * note)
@ -1902,7 +1904,7 @@ create_note_reloc (segT sec,
reloc->u.b.sec = sec; reloc->u.b.sec = sec;
reloc->u.b.s = symbol_get_bfdsym (sym); reloc->u.b.s = symbol_get_bfdsym (sym);
reloc->u.b.r.sym_ptr_ptr = & reloc->u.b.s; reloc->u.b.r.sym_ptr_ptr = & reloc->u.b.s;
reloc->u.b.r.address = offset; reloc->u.b.r.address = note_offset + desc2_offset;
reloc->u.b.r.addend = addend; reloc->u.b.r.addend = addend;
reloc->u.b.r.howto = bfd_reloc_type_lookup (stdoutput, reloc_type); reloc->u.b.r.howto = bfd_reloc_type_lookup (stdoutput, reloc_type);
@ -1927,12 +1929,12 @@ create_note_reloc (segT sec,
if (target_big_endian) if (target_big_endian)
{ {
if (bfd_arch_bits_per_address (stdoutput) <= 32) if (bfd_arch_bits_per_address (stdoutput) <= 32)
note[offset + 3] = addend; note[desc2_offset + 3] = addend;
else else
note[offset + 7] = addend; note[desc2_offset + 7] = addend;
} }
else else
note[offset] = addend; note[desc2_offset] = addend;
} }
} }
@ -2035,10 +2037,10 @@ maybe_generate_build_notes (void)
memcpy (note + 12, "GA$3a1", 8); memcpy (note + 12, "GA$3a1", 8);
/* Create a relocation to install the start address of the note... */ /* Create a relocation to install the start address of the note... */
create_note_reloc (sec, sym, total_size + 20, desc_reloc, 0, note); create_note_reloc (sec, sym, total_size, 20, desc_reloc, 0, note);
/* ...and another one to install the end address. */ /* ...and another one to install the end address. */
create_note_reloc (sec, sym, total_size + desc2_offset, desc_reloc, create_note_reloc (sec, sym, total_size, desc2_offset, desc_reloc,
bfd_get_section_size (bsym->section), bfd_get_section_size (bsym->section),
note); note);