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/* SPU specific support for 32-bit ELF.
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/* SPU specific support for 32-bit ELF.
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Copyright 2006, 2007 Free Software Foundation, Inc.
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Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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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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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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it under the terms of the GNU General Public License as published by
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You should have received a copy of the GNU General Public License
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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 Foundation,
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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struct spu_elf_params
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{
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/* Stash various callbacks for --auto-overlay. */
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void (*place_spu_section) (asection *, asection *, const char *);
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bfd_size_type (*spu_elf_load_ovl_mgr) (void);
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FILE *(*spu_elf_open_overlay_script) (void);
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void (*spu_elf_relink) (void);
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/* Bit 0 set if --auto-overlay.
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Bit 1 set if --auto-relink.
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Bit 2 set if --overlay-rodata. */
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unsigned int auto_overlay : 3;
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#define AUTO_OVERLAY 1
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#define AUTO_RELINK 2
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#define OVERLAY_RODATA 4
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/* Type of overlays, enum _ovly_flavour. */
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unsigned int ovly_flavour : 1;
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unsigned int compact_stub : 1;
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/* Set if we should emit symbols for stubs. */
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unsigned int emit_stub_syms : 1;
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/* Set if we want stubs on calls out of overlay regions to
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non-overlay regions. */
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unsigned int non_overlay_stubs : 1;
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/* Set if lr liveness analysis should be done. */
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unsigned int lrlive_analysis : 1;
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/* Set if stack size analysis should be done. */
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unsigned int stack_analysis : 1;
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/* Set if __stack_* syms will be emitted. */
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unsigned int emit_stack_syms : 1;
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/* Set if non-icache code should be allowed in icache lines. */
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unsigned int non_ia_text : 1;
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/* Set when the .fixup section should be generated. */
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unsigned int emit_fixups : 1;
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/* Range of valid addresses for loadable sections. */
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bfd_vma local_store_lo;
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bfd_vma local_store_hi;
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/* Control --auto-overlay feature. */
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unsigned int num_lines;
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unsigned int line_size;
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unsigned int max_branch;
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unsigned int auto_overlay_fixed;
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unsigned int auto_overlay_reserved;
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int extra_stack_space;
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};
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/* Extra info kept for SPU sections. */
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/* Extra info kept for SPU sections. */
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struct spu_elf_stack_info;
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struct spu_elf_stack_info;
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struct _spu_elf_section_data
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struct _spu_elf_section_data
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};
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};
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#define spu_elf_section_data(sec) \
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#define spu_elf_section_data(sec) \
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((struct _spu_elf_section_data *) elf_section_data (sec))
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((struct _spu_elf_section_data *) elf_section_data (sec))
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enum _ovly_flavour
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{
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ovly_normal,
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ovly_soft_icache
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};
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struct _ovl_stream
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struct _ovl_stream
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{
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{
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const void *start;
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const void *start;
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const void *end;
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const void *end;
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};
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};
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extern void spu_elf_setup (struct bfd_link_info *, struct spu_elf_params *);
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extern void spu_elf_plugin (int);
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extern void spu_elf_plugin (int);
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extern bfd_boolean spu_elf_open_builtin_lib (bfd **,
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extern bfd_boolean spu_elf_open_builtin_lib (bfd **,
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const struct _ovl_stream *);
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const struct _ovl_stream *);
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extern bfd_boolean spu_elf_create_sections (bfd *,
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extern bfd_boolean spu_elf_create_sections (struct bfd_link_info *);
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struct bfd_link_info *, int, int);
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extern bfd_boolean spu_elf_size_sections (bfd *, struct bfd_link_info *);
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extern bfd_boolean spu_elf_find_overlays (bfd *, struct bfd_link_info *);
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extern int spu_elf_find_overlays (struct bfd_link_info *);
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extern int spu_elf_size_stubs (bfd *, struct bfd_link_info *,
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extern int spu_elf_size_stubs (struct bfd_link_info *);
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void (*) (asection *, asection *, const char *),
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extern void spu_elf_place_overlay_data (struct bfd_link_info *);
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int);
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extern asection *spu_elf_check_vma (struct bfd_link_info *);
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extern bfd_boolean spu_elf_build_stubs (struct bfd_link_info *, int);
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extern asection *spu_elf_check_vma (bfd *, bfd_vma, bfd_vma);
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