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Fix problems with the AArch64 linker exposed by testing it with sanitization enabled.

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bfd	* elfnn-aarch64.c (_bfd_aarch64_erratum_835769_scan): Only sort
	the data map if there are entries in it.
	(_bfd_aarch64_erratum_843419_scan): Likewise.

opcodes	* aarch64-dis.c (get_sym_code_type): Return FALSE for non-ELF
	symbols.
This commit is contained in:
Nick Clifton
2020-08-21 15:32:20 +01:00
parent 02391b8be4
commit ccf61261eb
4 changed files with 26 additions and 5 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2020-08-21 Nick Clifton <nickc@redhat.com>
* elfnn-aarch64.c (_bfd_aarch64_erratum_835769_scan): Only sort
the data map if there are entries in it.
(_bfd_aarch64_erratum_843419_scan): Likewise.
2020-08-21 Jan Beulich <jbeulich@suse.com> 2020-08-21 Jan Beulich <jbeulich@suse.com>
* peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Check * peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Check

10
bfd/elfnn-aarch64.c
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@ -3925,8 +3925,9 @@ _bfd_aarch64_erratum_835769_scan (bfd *input_bfd,
sec_data = elf_aarch64_section_data (section); sec_data = elf_aarch64_section_data (section);
qsort (sec_data->map, sec_data->mapcount, if (sec_data->mapcount)
sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping); qsort (sec_data->map, sec_data->mapcount,
sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping);
for (span = 0; span < sec_data->mapcount; span++) for (span = 0; span < sec_data->mapcount; span++)
{ {
@ -4209,8 +4210,9 @@ _bfd_aarch64_erratum_843419_scan (bfd *input_bfd, asection *section,
sec_data = elf_aarch64_section_data (section); sec_data = elf_aarch64_section_data (section);
qsort (sec_data->map, sec_data->mapcount, if (sec_data->mapcount)
sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping); qsort (sec_data->map, sec_data->mapcount,
sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping);
for (span = 0; span < sec_data->mapcount; span++) for (span = 0; span < sec_data->mapcount; span++)
{ {

5
opcodes/ChangeLog
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@ -1,3 +1,8 @@
2020-08-21 Nick Clifton <nickc@redhat.com>
* aarch64-dis.c (get_sym_code_type): Return FALSE for non-ELF
symbols.
2020-08-21 Cooper Qu <cooper.qu@linux.alibaba.com> 2020-08-21 Cooper Qu <cooper.qu@linux.alibaba.com>
* csky-opc.h (csky_v2_opcodes): Add two operands form for bloop. * csky-opc.h (csky_v2_opcodes): Add two operands form for bloop.

10
opcodes/aarch64-dis.c
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@ -3321,6 +3321,7 @@ static int
get_sym_code_type (struct disassemble_info *info, int n, get_sym_code_type (struct disassemble_info *info, int n,
enum map_type *map_type) enum map_type *map_type)
{ {
asymbol * as;
elf_symbol_type *es; elf_symbol_type *es;
unsigned int type; unsigned int type;
const char *name; const char *name;
@ -3329,7 +3330,14 @@ get_sym_code_type (struct disassemble_info *info, int n,
if (info->section != NULL && info->section != info->symtab[n]->section) if (info->section != NULL && info->section != info->symtab[n]->section)
return FALSE; return FALSE;
es = *(elf_symbol_type **)(info->symtab + n); if (n >= info->symtab_size)
return FALSE;
as = info->symtab[n];
if (bfd_asymbol_flavour (as) != bfd_target_elf_flavour)
return FALSE;
es = (elf_symbol_type *) as;
type = ELF_ST_TYPE (es->internal_elf_sym.st_info); type = ELF_ST_TYPE (es->internal_elf_sym.st_info);
/* If the symbol has function type then use that. */ /* If the symbol has function type then use that. */