derek.holloway
7502bf64a4
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70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* PowerPC-specific support for 64-bit ELF.
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Copyright (C) 2003-2024 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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enum ppc_elf_plt_type
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{
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PLT_UNSET,
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PLT_OLD,
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PLT_NEW,
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PLT_VXWORKS
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};
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/* Various options passed from the linker to bfd backend. */
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struct ppc_elf_params
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{
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/* Chooses the type of .plt. */
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enum ppc_elf_plt_type plt_style;
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/* Set if individual PLT call stubs should be aligned. */
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int plt_stub_align;
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/* Whether to emit symbols for stubs. */
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int emit_stub_syms;
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/* Whether to emit special stub for __tls_get_addr calls. */
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int no_tls_get_addr_opt;
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/* Insert trampolines for branches that won't reach their destination. */
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int branch_trampolines;
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/* Avoid execution falling into new page. */
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int ppc476_workaround;
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unsigned int pagesize_p2;
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/* The bfd backend detected a non-PIC reference to a protected symbol
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defined in a shared library. */
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int pic_fixup;
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/* Relocate 16A relocs as 16D and vice versa. */
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int vle_reloc_fixup;
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bfd_vma pagesize;
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};
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void ppc_elf_link_params (struct bfd_link_info *, struct ppc_elf_params *);
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int ppc_elf_select_plt_layout (bfd *, struct bfd_link_info *);
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bool ppc_elf_inline_plt (struct bfd_link_info *);
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asection *ppc_elf_tls_setup (bfd *, struct bfd_link_info *);
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bool ppc_elf_tls_optimize (bfd *, struct bfd_link_info *);
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void ppc_elf_maybe_strip_sdata_syms (struct bfd_link_info *);
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extern bool ppc_elf_modify_segment_map (bfd *, struct bfd_link_info *);
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extern bool ppc_elf_section_processing (bfd *, Elf_Internal_Shdr *);
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extern bool ppc_finish_symbols (struct bfd_link_info *);
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