/* PowerPC64-specific support for 64-bit ELF.
- Copyright 2002, 2003, 2004, 2005, 2007, 2008, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2002-2023 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-void ppc64_elf_init_stub_bfd
- (bfd *, struct bfd_link_info *);
-bfd_boolean ppc64_elf_edit_opd
- (struct bfd_link_info *, bfd_boolean);
-asection *ppc64_elf_tls_setup
- (struct bfd_link_info *, int, int *);
-bfd_boolean ppc64_elf_tls_optimize
+/* Used to pass info between ld and bfd. */
+struct ppc64_elf_params
+{
+ /* Linker stub bfd. */
+ bfd *stub_bfd;
+
+ /* Linker call-backs. */
+ asection * (*add_stub_section) (const char *, asection *);
+ void (*layout_sections_again) (void);
+ void (*edit) (void);
+
+ /* Maximum size of a group of input sections that can be handled by
+ one stub section. A value of +/-1 indicates the bfd back-end
+ should use a suitable default size. */
+ bfd_signed_vma group_size;
+
+ /* Whether to use a special call stub for __tls_get_addr. */
+ int tls_get_addr_opt;
+
+ /* Whether the special call stub should save r4..r12. */
+ int no_tls_get_addr_regsave;
+
+ /* Whether to allow multiple toc sections. */
+ int no_multi_toc;
+
+ /* Set if PLT call stubs should load r11. */
+ int plt_static_chain;
+
+ /* Set if PLT call stubs need to be thread safe on power7+. */
+ int plt_thread_safe;
+
+ /* Set if individual PLT call stubs should be aligned. */
+ int plt_stub_align;
+
+ /* Set if PLT call stubs for localentry:0 functions should omit r2 save. */
+ int plt_localentry0;
+
+ /* Whether to use power10 instructions in linkage stubs. */
+ int power10_stubs;
+
+ /* Whether R_PPC64_PCREL_OPT should be ignored. */
+ int no_pcrel_opt;
+
+ /* Whether to canonicalize .opd so that there are no overlapping
+ .opd entries. */
+ int non_overlapping_opd;
+
+ /* Whether to emit symbols for stubs. */
+ int emit_stub_syms;
+
+ /* Whether to generate out-of-line register save/restore for gcc -Os code. */
+ int save_restore_funcs;
+
+ /* Set when a potential variable is detected in .toc. */
+ int object_in_toc;
+};
+
+bool ppc64_elf_init_stub_bfd
+ (struct bfd_link_info *, struct ppc64_elf_params *);
+bool ppc64_elf_edit_opd
+ (struct bfd_link_info *);
+bool ppc64_elf_inline_plt
+ (struct bfd_link_info *);
+bool ppc64_elf_tls_setup
(struct bfd_link_info *);
-bfd_boolean ppc64_elf_edit_toc
+bool ppc64_elf_tls_optimize
(struct bfd_link_info *);
-bfd_boolean ppc64_elf_has_small_toc_reloc
+bool ppc64_elf_edit_toc
+ (struct bfd_link_info *);
+bool ppc64_elf_has_small_toc_reloc
(asection *);
-bfd_vma ppc64_elf_toc
- (bfd *);
+bfd_vma ppc64_elf_set_toc
+ (struct bfd_link_info *, bfd *);
int ppc64_elf_setup_section_lists
- (struct bfd_link_info *, asection *(*) (const char *, asection *),
- void (*) (void));
+ (struct bfd_link_info *);
void ppc64_elf_start_multitoc_partition
(struct bfd_link_info *);
-bfd_boolean ppc64_elf_next_toc_section
+bool ppc64_elf_next_toc_section
(struct bfd_link_info *, asection *);
-bfd_boolean ppc64_elf_layout_multitoc
+bool ppc64_elf_layout_multitoc
(struct bfd_link_info *);
void ppc64_elf_finish_multitoc_partition
(struct bfd_link_info *);
-bfd_boolean ppc64_elf_check_init_fini
+bool ppc64_elf_check_init_fini
(struct bfd_link_info *);
-bfd_boolean ppc64_elf_next_input_section
+bool ppc64_elf_next_input_section
(struct bfd_link_info *, asection *);
-bfd_boolean ppc64_elf_size_stubs
- (struct bfd_link_info *, bfd_signed_vma);
-bfd_boolean ppc64_elf_build_stubs
- (bfd_boolean, struct bfd_link_info *, char **);
-void ppc64_elf_restore_symbols
- (struct bfd_link_info *info);
+bool ppc64_elf_size_stubs
+(struct bfd_link_info *);
+bool ppc64_elf_build_stubs
+ (struct bfd_link_info *, char **);