diff options
Diffstat (limited to 'bfd/elfxx-aarch64.h')
| -rw-r--r-- | bfd/elfxx-aarch64.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/bfd/elfxx-aarch64.h b/bfd/elfxx-aarch64.h index 6c084f7..ca523d8 100644 --- a/bfd/elfxx-aarch64.h +++ b/bfd/elfxx-aarch64.h @@ -46,6 +46,27 @@ typedef enum BTI_WARN = 1, /* BTI is enabled with -z force-bti. */ } aarch64_enable_bti_type; +/* To indicate whether GNU_PROPERTY_AARCH64_FEATURE_1_GCS bit is + enabled/disabled on the output when -z experimental-gcs linker + command line option is passed. */ +typedef enum +{ + GCS_NEVER = 0, /* gcs is disabled on output. */ + GCS_IMPLICIT = 1, /* gcs is deduced from input object. */ + GCS_ALWAYS = 2, /* gsc is enabled on output. */ +} aarch64_gcs_type; + +/* To indicate whether to generate linker warning/errors for + -z experimental-gcs-report when -z experimental-gcs=always is passed. */ +typedef enum +{ + GCS_NONE = 0, /* Does not emit any warning/error messages. */ + GCS_WARN = 1, /* Emit warning when the input objects are missing gcs + markings and output have gcs marking. */ + GCS_ERROR = 2, /* Emit error when the input objects are missing gcs + markings and output have gcs marking. */ +} aarch64_gcs_report; + /* A structure to encompass all information coming from BTI or PAC related command line options. This involves the "PLT_TYPE" to determine which version of PLTs to pick and "BTI_TYPE" to determine if @@ -54,7 +75,9 @@ typedef struct { aarch64_plt_type plt_type; aarch64_enable_bti_type bti_type; -} aarch64_bti_pac_info; + aarch64_gcs_type gcs_type; + aarch64_gcs_report gcs_report; +} aarch64_gnu_prop_info; /* An enum to define what kind of erratum fixes we should apply. This gives the user a bit more control over the sequences we generate. */ @@ -67,11 +90,11 @@ typedef enum extern void bfd_elf64_aarch64_set_options (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int, - aarch64_bti_pac_info); + aarch64_gnu_prop_info); extern void bfd_elf32_aarch64_set_options (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int, - aarch64_bti_pac_info); + aarch64_gnu_prop_info); /* AArch64 stub generation support for ELF64. Called from the linker. */ extern int elf64_aarch64_setup_section_lists @@ -135,8 +158,9 @@ _bfd_aarch64_elf_write_core_note (bfd *, char *, int *, int, ...); #define elf_backend_write_core_note _bfd_aarch64_elf_write_core_note extern bfd * -_bfd_aarch64_elf_link_setup_gnu_properties (struct bfd_link_info *, - uint32_t *); +_bfd_aarch64_elf_link_setup_gnu_properties (struct bfd_link_info *, uint32_t *, + aarch64_gcs_report, + aarch64_gcs_type); extern enum elf_property_kind _bfd_aarch64_elf_parse_gnu_properties (bfd *, unsigned int, @@ -146,6 +170,8 @@ extern bool _bfd_aarch64_elf_merge_gnu_properties (struct bfd_link_info *, bfd *, elf_property *, elf_property *, uint32_t); +extern void +_bfd_aarch64_elf_check_gcs_report (aarch64_gcs_report, bfd *); extern void _bfd_aarch64_elf_link_fixup_gnu_properties (struct bfd_link_info *, |