diff options
Diffstat (limited to 'bfd/elf-bfd.h')
| -rw-r--r-- | bfd/elf-bfd.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index fa4b9bc..fc32fbe 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -490,6 +490,40 @@ struct eh_frame_hdr_info u; }; +/* Additional information for each function (used at link time). */ +struct sframe_func_bfdinfo +{ + /* Whether the function has been discarded from the final output. */ + bool func_deleted_p; + /* Relocation offset. */ + unsigned int func_r_offset; + /* Relocation index. */ + unsigned int func_reloc_index; +}; + +/* SFrame decoder info. + Contains all information for a decoded .sframe section. */ +struct sframe_dec_info +{ + /* Decoder context. */ + struct sframe_decoder_ctx *sfd_ctx; + /* Number of function descriptor entries in this .sframe. */ + unsigned int sfd_fde_count; + /* Additional information for linking. */ + struct sframe_func_bfdinfo *sfd_func_bfdinfo; +}; + +/* SFrame encoder info. + Contains all information for an encoded .sframe section to be + written out. */ +struct sframe_enc_info +{ + /* Encoder context. */ + struct sframe_encoder_ctx *sfe_ctx; + /* Output section. */ + asection *sframe_section; +}; + /* Enum used to identify target specific extensions to the elf_obj_tdata and elf_link_hash_table structures. Note the enums deliberately start from 1 so that we can detect an uninitialized field. The generic value @@ -668,6 +702,9 @@ struct elf_link_hash_table /* Used by eh_frame code when editing .eh_frame. */ struct eh_frame_hdr_info eh_info; + /* Used to link unwind data in .sframe sections. */ + struct sframe_enc_info sfe_info; + /* A linked list of local symbols to be added to .dynsym. */ struct elf_link_local_dynamic_entry *dynlocal; @@ -1944,6 +1981,10 @@ struct output_elf_obj_tdata /* Segment flags for the PT_GNU_STACK segment. */ unsigned int stack_flags; + /* Used to determine if PT_GNU_SFRAME segment header should be + created. */ + asection *sframe; + /* Used to determine if the e_flags field has been initialized */ bool flags_init; }; @@ -2125,6 +2166,7 @@ struct elf_obj_tdata #define elf_link_info(bfd) (elf_tdata(bfd) -> o->link_info) #define elf_next_file_pos(bfd) (elf_tdata(bfd) -> o->next_file_pos) #define elf_stack_flags(bfd) (elf_tdata(bfd) -> o->stack_flags) +#define elf_sframe(bfd) (elf_tdata(bfd) -> o->sframe) #define elf_shstrtab(bfd) (elf_tdata(bfd) -> o->strtab_ptr) #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) #define elf_symtab_shndx_list(bfd) (elf_tdata(bfd) -> symtab_shndx_list) @@ -2439,6 +2481,18 @@ extern bool _bfd_elf_eh_frame_entry_present extern bool _bfd_elf_maybe_strip_eh_frame_hdr (struct bfd_link_info *); +extern bool _bfd_elf_sframe_present + (struct bfd_link_info *); +extern bool _bfd_elf_parse_sframe + (bfd *, struct bfd_link_info *, asection *, struct elf_reloc_cookie *); +extern bool _bfd_elf_discard_section_sframe + (asection *, bool (*) (bfd_vma, void *), struct elf_reloc_cookie *); +extern bool _bfd_elf_merge_section_sframe + (bfd *, struct bfd_link_info *, asection *, bfd_byte *); +extern bool _bfd_elf_write_section_sframe + (bfd *, struct bfd_link_info *); +extern bool _bfd_elf_set_section_sframe (bfd *, struct bfd_link_info *); + extern bool _bfd_elf_hash_symbol (struct elf_link_hash_entry *); extern long _bfd_elf_link_lookup_local_dynindx |