forked from Imagelibrary/binutils-gdb
32f5984419
Calls from notoc functions via the PLT need different stubs. Even calls to local functions requiring a valid toc pointer must go via a stub. This patch provides the support in gold. elfcpp/ * powerpc.h (R_PPC64_PLTSEQ_NOTOC, R_PPC64_PLTCALL_NOTOC): Define. gold/ * powerpc.cc (Target_powerpc::maybe_skip_tls_get_addr_call): Handle notoc calls. (is_branch_reloc): Template on size. Return true for REL24_NOTOC. Update all callers. (max_branch_delta): Likewise. (Target_powerpc::Branch_info::make_stub): Add a stub for notoc calls to functions needing a valid toc pointer. (Target_powerpc::do_relax): Layout stubs again if any need resize. (add_12_11_12, addi_12_11, addis_12_11, ldx_12_11_12, ori_12_12_0), (oris_12_12_0, sldi_12_12_32): Define. (Stub_table::Plt_stub_ent): Add notoc_ and iter_ fields. (Stub_table::Branch_stub_key, Branch_stub_key_hash): Rename from Branch_stub_ent and Branch_stub_ent hash. Remove save_res_ from key. (Stub_table::Branch_stub_ent): New struct. (class Stub_table): Add need_resize and resizing vars. (Stub_table::need_resize, branch_size): New accessors. (Stub_table::set_resizing): New function. (Stub_table::add_plt_call_entry): Handle notoc calls and resizing on seeing such or a tocsave stubs after a normal stub using the same sym. (Stub_table::add_long_branch_entry): Similarly. (Stub_table::find_long_branch_entry): Return a Branch_stub_ent*. (Stub_table::define_stub_syms): Adjust (Stub_table::build_tls_opt_head, build_tls_opt_tail): New functions. (build_notoc_offset): New function. (Stub_table::plt_call_size): Move out of line. Handle notoc calls. (Stub_table::branch_stub_size): Similarly. (Stub_table::do_write): Separate loop for ELFv2 stubs, handling notoc calls. Simplify ELFv1 loop. Output notoc branch stubs. Use build_tls_opt_head and build_tls_opt_tail. (Target_powerpc::Scan::get_reference_flags): Handle REL24_NOTOC. (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise, and PLTSEQ_NOTOC and PLTCALL_NOTOC. (Target_powerpc::Scan::local, global, relocate): Likewise.
49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
2019-07-13 Alan Modra <amodra@gmail.com>
|
||
|
||
* powerpc.h (R_PPC64_PLTSEQ_NOTOC, R_PPC64_PLTCALL_NOTOC): Define.
|
||
|
||
2019-06-28 Alan Modra <amodra@gmail.com>
|
||
|
||
* powerpc.h (R_PPC64_REL16_HIGH, R_PPC64_REL16_HIGHA),
|
||
(R_PPC64_REL16_HIGHER, R_PPC64_REL16_HIGHERA),
|
||
(R_PPC64_REL16_HIGHEST, R_PPC64_REL16_HIGHESTA): Define.
|
||
|
||
2019-05-16 Andre Vieira <andre.simoesdiasvieira@arm.com>
|
||
|
||
* arm.h (Tag_MVE_arch): Define new enum value.
|
||
|
||
2019-04-15 Sudakshina Das <sudi.das@arm.com>
|
||
|
||
* arm.h (R_ARM_THM_BF12): New relocation code.
|
||
|
||
2019-04-15 Sudakshina Das <sudi.das@arm.com>
|
||
|
||
* arm.h (R_ARM_THM_BF18): New relocation code.
|
||
|
||
2019-04-15 Sudakshina Das <sudi.das@arm.com>
|
||
|
||
* arm.h (R_ARM_THM_BF16): New relocation code.
|
||
|
||
2018-06-24 Nick Clifton <nickc@redhat.com>
|
||
|
||
2.32 branch created.
|
||
|
||
2019-01-01 Alan Modra <amodra@gmail.com>
|
||
|
||
Update year range in copyright notice of all files.
|
||
|
||
For older changes see ChangeLog-2018
|
||
|
||
Copyright (C) 2019 Free Software Foundation, Inc.
|
||
|
||
Copying and distribution of this file, with or without modification,
|
||
are permitted in any medium without royalty provided the copyright
|
||
notice and this notice are preserved.
|
||
|
||
Local Variables:
|
||
mode: change-log
|
||
left-margin: 8
|
||
fill-column: 74
|
||
version-control: never
|
||
End:
|