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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [bfd/] [elf32-spu.h] - Rev 225
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/* SPU specific support for 32-bit ELF. Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ struct spu_elf_params { /* Stash various callbacks for --auto-overlay. */ void (*place_spu_section) (asection *, asection *, const char *); bfd_size_type (*spu_elf_load_ovl_mgr) (void); FILE *(*spu_elf_open_overlay_script) (void); void (*spu_elf_relink) (void); /* Bit 0 set if --auto-overlay. Bit 1 set if --auto-relink. Bit 2 set if --overlay-rodata. */ unsigned int auto_overlay : 3; #define AUTO_OVERLAY 1 #define AUTO_RELINK 2 #define OVERLAY_RODATA 4 /* Type of overlays, enum _ovly_flavour. */ unsigned int ovly_flavour : 1; unsigned int compact_stub : 1; /* Set if we should emit symbols for stubs. */ unsigned int emit_stub_syms : 1; /* Set if we want stubs on calls out of overlay regions to non-overlay regions. */ unsigned int non_overlay_stubs : 1; /* Set if lr liveness analysis should be done. */ unsigned int lrlive_analysis : 1; /* Set if stack size analysis should be done. */ unsigned int stack_analysis : 1; /* Set if __stack_* syms will be emitted. */ unsigned int emit_stack_syms : 1; /* Set if non-icache code should be allowed in icache lines. */ unsigned int non_ia_text : 1; /* Set when the .fixup section should be generated. */ unsigned int emit_fixups : 1; /* Range of valid addresses for loadable sections. */ bfd_vma local_store_lo; bfd_vma local_store_hi; /* Control --auto-overlay feature. */ unsigned int num_lines; unsigned int line_size; unsigned int max_branch; unsigned int auto_overlay_fixed; unsigned int auto_overlay_reserved; int extra_stack_space; }; /* Extra info kept for SPU sections. */ struct spu_elf_stack_info; struct _spu_elf_section_data { struct bfd_elf_section_data elf; union { /* Info kept for input sections. */ struct { /* Stack analysis info kept for this section. */ struct spu_elf_stack_info *stack_info; } i; /* Info kept for output sections. */ struct { /* Non-zero for overlay output sections. */ unsigned int ovl_index; unsigned int ovl_buf; } o; } u; }; #define spu_elf_section_data(sec) \ ((struct _spu_elf_section_data *) elf_section_data (sec)) enum _ovly_flavour { ovly_normal, ovly_soft_icache }; struct _ovl_stream { const void *start; const void *end; }; extern void spu_elf_setup (struct bfd_link_info *, struct spu_elf_params *); extern void spu_elf_plugin (int); extern bfd_boolean spu_elf_open_builtin_lib (bfd **, const struct _ovl_stream *); extern bfd_boolean spu_elf_create_sections (struct bfd_link_info *); extern bfd_boolean spu_elf_size_sections (bfd *, struct bfd_link_info *); extern int spu_elf_find_overlays (struct bfd_link_info *); extern int spu_elf_size_stubs (struct bfd_link_info *); extern void spu_elf_place_overlay_data (struct bfd_link_info *); extern asection *spu_elf_check_vma (struct bfd_link_info *);