diff options
Diffstat (limited to 'bfd/elf32-i386.c')
| -rw-r--r-- | bfd/elf32-i386.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c index 2784ef71cbe..b1afb49c6a1 100644 --- a/bfd/elf32-i386.c +++ b/bfd/elf32-i386.c @@ -6131,6 +6131,78 @@ elf_i386_hash_symbol (struct elf_link_hash_entry *h) return _bfd_elf_hash_symbol (h); } +/* Parse i386 GNU properties. */ + +static enum elf_property_kind +elf_i386_parse_gnu_properties (bfd *abfd, unsigned int type, + bfd_byte *ptr, unsigned int datasz) +{ + elf_property *prop; + + switch (type) + { + case GNU_PROPERTY_X86_ISA_1_USED: + case GNU_PROPERTY_X86_ISA_1_NEEDED: + if (datasz != 4) + { + _bfd_error_handler + ((type == GNU_PROPERTY_X86_ISA_1_USED + ? _("error: %B: <corrupt x86 ISA used size: 0x%x>\n") + : _("error: %B: <corrupt x86 ISA needed size: 0x%x>\n")), + abfd, datasz); + return property_corrupt; + } + prop = _bfd_elf_get_property (abfd, type, datasz); + prop->u.number = bfd_h_get_32 (abfd, ptr); + prop->pr_kind = property_number; + break; + + default: + return property_ignored; + } + + return property_number; +} + +/* Merge i386 GNU property BPROP with APROP. If APROP isn't NULL, + return TRUE if APROP is updated. Otherwise, return TRUE if BPROP + should be merged with ABFD. */ + +static bfd_boolean +elf_i386_merge_gnu_properties (bfd *abfd ATTRIBUTE_UNUSED, + elf_property *aprop, + elf_property *bprop) +{ + unsigned int number; + bfd_boolean updated = FALSE; + unsigned int pr_type = aprop != NULL ? aprop->pr_type : bprop->pr_type; + + switch (pr_type) + { + case GNU_PROPERTY_X86_ISA_1_USED: + case GNU_PROPERTY_X86_ISA_1_NEEDED: + if (aprop != NULL && bprop != NULL) + { + number = aprop->u.number; + aprop->u.number = number | bprop->u.number; + updated = number != (unsigned int) aprop->u.number; + } + else + { + /* Return TRUE if APROP is NULL to indicate that BPROP should + be added to ABFD. */ + updated = aprop == NULL; + } + break; + + default: + /* Never should happen. */ + abort (); + } + + return updated; +} + #define TARGET_LITTLE_SYM i386_elf32_vec #define TARGET_LITTLE_NAME "elf32-i386" #define ELF_ARCH bfd_arch_i386 @@ -6182,6 +6254,8 @@ elf_i386_hash_symbol (struct elf_link_hash_entry *h) ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true) #define elf_backend_hash_symbol elf_i386_hash_symbol #define elf_backend_fixup_symbol elf_i386_fixup_symbol +#define elf_backend_parse_gnu_properties elf_i386_parse_gnu_properties +#define elf_backend_merge_gnu_properties elf_i386_merge_gnu_properties #include "elf32-target.h" |