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| author | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2016-08-04 15:36:52 +0100 |
|---|---|---|
| committer | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2016-08-04 15:36:52 +0100 |
| commit | 4ba2ef8fbe74716708e5ce0bcba4f3b1cc8ac99a (patch) | |
| tree | 1765b4f578102d53c5f142e9bd6473f129327385 /bfd/ChangeLog | |
| parent | 024425668d120663a73913352df701c8f0aea316 (diff) | |
| download | fsf-binutils-gdb-4ba2ef8fbe74716708e5ce0bcba4f3b1cc8ac99a.zip fsf-binutils-gdb-4ba2ef8fbe74716708e5ce0bcba4f3b1cc8ac99a.tar.gz fsf-binutils-gdb-4ba2ef8fbe74716708e5ce0bcba4f3b1cc8ac99a.tar.bz2 | |
2016-08-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
bfd/
* elf32-arm.c (CMSE_PREFIX): Define macro.
(elf32_arm_stub_cmse_branch_thumb_only): Define stub sequence.
(cmse_branch_thumb_only): Declare stub.
(struct elf32_arm_link_hash_table): Define cmse_stub_sec field.
(elf32_arm_get_plt_info): Add globals parameter. Use it to return
FALSE if there is no PLT.
(arm_type_of_stub): Adapt to new elf32_arm_get_plt_info signature.
(elf32_arm_final_link_relocate): Likewise.
(elf32_arm_gc_sweep_hook): Likewise.
(elf32_arm_gc_mark_extra_sections): Mark sections holding ARMv8-M
secure entry functions.
(arm_stub_is_thumb): Add case for arm_stub_cmse_branch_thumb_only.
(arm_dedicated_stub_output_section_required): Change to a switch case
and add a case for arm_stub_cmse_branch_thumb_only.
(arm_dedicated_stub_output_section_required_alignment): Likewise.
(arm_stub_dedicated_output_section_name): Likewise.
(arm_stub_dedicated_input_section_ptr): Likewise and remove
ATTRIBUTE_UNUSED for htab parameter.
(arm_stub_required_alignment): Likewise.
(arm_stub_sym_claimed): Likewise.
(arm_dedicated_stub_section_padding): Likewise.
(cmse_scan): New function.
(elf32_arm_size_stubs): Call cmse_scan for ARM M profile targets.
Set stub_changed to TRUE if such veneers were created.
(elf32_arm_swap_symbol_in): Add detection code for CMSE special
symbols.
include/
* arm.h (ARM_GET_SYM_CMSE_SPCL): Define macro.
(ARM_SET_SYM_CMSE_SPCL): Likewise.
ld/
* ld.texinfo (Placement of SG veneers): New concept entry.
* testsuite/ld-arm/arm-elf.exp
(Secure gateway veneers: no .gnu.sgstubs section): New test.
(Secure gateway veneers: wrong entry functions): Likewise.
(Secure gateway veneers (ARMv8-M Baseline)): Likewise.
(Secure gateway veneers (ARMv8-M Mainline)): Likewise.
* testsuite/ld-arm/cmse-veneers.s: New file.
* testsuite/ld-arm/cmse-veneers.d: Likewise.
* testsuite/ld-arm/cmse-veneers.rd: Likewise.
* testsuite/ld-arm/cmse-veneers.sd: Likewise.
* testsuite/ld-arm/cmse-veneers-no-gnu_sgstubs.out: Likewise.
* testsuite/ld-arm/cmse-veneers-wrong-entryfct.out: Likewise.
Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 753df71..312bfae 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,32 @@ +2016-08-04 Thomas Preud'homme <thomas.preudhomme@arm.com> + + * elf32-arm.c (CMSE_PREFIX): Define macro. + (elf32_arm_stub_cmse_branch_thumb_only): Define stub sequence. + (cmse_branch_thumb_only): Declare stub. + (struct elf32_arm_link_hash_table): Define cmse_stub_sec field. + (elf32_arm_get_plt_info): Add globals parameter. Use it to return + FALSE if there is no PLT. + (arm_type_of_stub): Adapt to new elf32_arm_get_plt_info signature. + (elf32_arm_final_link_relocate): Likewise. + (elf32_arm_gc_sweep_hook): Likewise. + (elf32_arm_gc_mark_extra_sections): Mark sections holding ARMv8-M + secure entry functions. + (arm_stub_is_thumb): Add case for arm_stub_cmse_branch_thumb_only. + (arm_dedicated_stub_output_section_required): Change to a switch case + and add a case for arm_stub_cmse_branch_thumb_only. + (arm_dedicated_stub_output_section_required_alignment): Likewise. + (arm_stub_dedicated_output_section_name): Likewise. + (arm_stub_dedicated_input_section_ptr): Likewise and remove + ATTRIBUTE_UNUSED for htab parameter. + (arm_stub_required_alignment): Likewise. + (arm_stub_sym_claimed): Likewise. + (arm_dedicated_stub_section_padding): Likewise. + (cmse_scan): New function. + (elf32_arm_size_stubs): Call cmse_scan for ARM M profile targets. + Set stub_changed to TRUE if such veneers were created. + (elf32_arm_swap_symbol_in): Add detection code for CMSE special + symbols. + 2016-08-02 Alan Modra <amodra@gmail.com> PR ld/20428 |