/* SPU specific support for 32-bit ELF.
- Copyright 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006-2020 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
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. */
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, 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 bfd_elf_section_data elf;
- /* Stack analysis info kept for this section. */
+ union {
+ /* Info kept for input sections. */
+ struct {
+ /* Stack analysis info kept for this section. */
+ struct spu_elf_stack_info *stack_info;
+ } i;
- struct spu_elf_stack_info *stack_info;
-
- /* Non-zero for overlay output sections. */
- unsigned int ovl_index;
+ /* 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 (bfd *,
- struct bfd_link_info *, int, int);
-extern bfd_boolean spu_elf_find_overlays (bfd *, struct bfd_link_info *);
-extern bfd_boolean spu_elf_size_stubs (bfd *, struct bfd_link_info *, int, int,
- asection **, asection **,
- asection **);
-extern bfd_boolean spu_elf_build_stubs (struct bfd_link_info *, int,
- asection *);
-extern asection *spu_elf_check_vma (bfd *, bfd_vma, bfd_vma);
+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 *);