diff options
Diffstat (limited to 'bfd/elf-bfd.h')
| -rw-r--r-- | bfd/elf-bfd.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 9e3d6f5..af377ee 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -766,6 +766,39 @@ typedef asection * (*elf_gc_mark_hook_fn) (asection *, struct bfd_link_info *, Elf_Internal_Rela *, struct elf_link_hash_entry *, Elf_Internal_Sym *); +enum elf_property_kind + { + /* A new property. */ + property_unknown = 0, + /* A property ignored by backend. */ + property_ignored, + /* A corrupt property reported by backend. */ + property_corrupt, + /* A property should be removed due to property merge. */ + property_remove, + /* A property which is a number. */ + property_number + }; + +typedef struct elf_property +{ + unsigned int pr_type; + unsigned int pr_datasz; + union + { + /* For property_number, this is a number. */ + bfd_vma number; + /* Add a new one if elf_property_kind is updated. */ + } u; + enum elf_property_kind pr_kind; +} elf_property; + +typedef struct elf_property_list +{ + struct elf_property_list *next; + struct elf_property property; +} elf_property_list; + struct bfd_elf_section_reloc_data; struct elf_backend_data @@ -1389,6 +1422,19 @@ struct elf_backend_data or give an error and return FALSE. */ bfd_boolean (*obj_attrs_handle_unknown) (bfd *, int); + /* Parse GNU properties. Return the property kind. If the property + is corrupt, issue an error message and return property_corrupt. */ + enum elf_property_kind (*parse_gnu_properties) (bfd *, unsigned int, + bfd_byte *, + unsigned int); + + /* Merge GNU properties. Return TRUE if property is updated. */ + bfd_boolean (*merge_gnu_properties) (bfd *, elf_property *, + elf_property *); + + /* Set up GNU properties. */ + void (*setup_gnu_properties) (struct bfd_link_info *); + /* Encoding used for compact EH tables. */ int (*compact_eh_encoding) (struct bfd_link_info *); @@ -1798,6 +1844,10 @@ struct elf_obj_tdata /* Symbol buffer. */ void *symbuf; + /* List of GNU properties. Will be updated by setup_gnu_properties + after all input GNU properties are merged for output. */ + elf_property_list *properties; + obj_attribute known_obj_attributes[2][NUM_KNOWN_OBJ_ATTRIBUTES]; obj_attribute_list *other_obj_attributes[2]; @@ -1882,6 +1932,7 @@ struct elf_obj_tdata (elf_known_obj_attributes (bfd) [OBJ_ATTR_PROC]) #define elf_other_obj_attributes_proc(bfd) \ (elf_other_obj_attributes (bfd) [OBJ_ATTR_PROC]) +#define elf_properties(bfd) (elf_tdata (bfd) -> properties) extern void _bfd_elf_swap_verdef_in (bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *); @@ -2538,6 +2589,13 @@ extern bfd_boolean _bfd_elf_merge_unknown_attribute_low (bfd *, bfd *, int); extern bfd_boolean _bfd_elf_merge_unknown_attribute_list (bfd *, bfd *); extern Elf_Internal_Shdr *_bfd_elf_single_rel_hdr (asection *sec); +extern bfd_boolean _bfd_elf_parse_gnu_properties + (bfd *, Elf_Internal_Note *); +extern elf_property * _bfd_elf_get_property + (bfd *, unsigned int, unsigned int); +extern void _bfd_elf_link_setup_gnu_properties + (struct bfd_link_info *); + /* The linker may need to keep track of the number of relocs that it decides to copy as dynamic relocs in check_relocs for each symbol. This is so that it can later discard them if they are found to be |