bfd/
* elf32-spu.c (struct spu_link_hash_table): Add init, line_size_log2,
num_lines_log2.
(struct got_entry): Add br_addr.
(struct call_info): Add priority.
(struct function_info): Add lr_store and sp_adjust.
(spu_elf_setup): Init line_size_log2 and num_lines_log2.
(spu_elf_find_overlays): For soft-icache, mark any section within cache
area as an overlay, and check that no other overlays exist. Look up
icache overlay manager entry sym.
(BRA_STUBS, BRA, BRASL): Define.
(enum _stub_type): Replace ovl_stub with call_ovl_stub and br*_ovl_stub.
(needs_ovl_stub): Adjust for soft-icache. Return priority encoded
in branch insn.
(count_stub, build_stub): Support soft-icache.
(build_spuear_stubs, process_stubs): Adjust build_stub call.
(spu_elf_size_stubs): Size soft-icache stubs.
(overlay_index): New function.
(spu_elf_build_stubs): Make static. Support soft-icache.
(spu_elf_check_vma): Don't turn off auto_overlay if soft-icache.
(find_function_stack_adjust): Save lr store and stack adjust insn
offsets.
(maybe_insert_function): Adjust find_function_stack_adjust call.
(mark_functions_via_relocs): Retrieve priority.
(remove_cycles): Only warn about pruned arcs when stack_analysis.
(sort_calls): Sort by priority first.
(mark_overlay_section): Ignore .ovl.init.
(sum_stack): Only print when stack_analysis.
(print_one_overlay_section): New function, extracted from..
(spu_elf_auto_overlay): ..here. Support soft-icache overlays.
(spu_elf_stack_analysis): Only print when htab->stack_analysis.
(spu_elf_final_link): Call spu_elf_stack_analysis for lrlive
analysis. Call spu_elf_build_stubs.
(spu_elf_relocate_section): For soft-icache encode overlay index
into addresses.
(spu_elf_output_symbol_hook): Support soft-icache.
(spu_elf_modify_program_headers: Likewise.
* elf32-spu.h (struct spu_elf_params): Add lrlive_analysis. Rename
num_regions to num_lines. Add line_size and max_branch.
(enum _ovly_flavour): Add ovly_soft_icache.
(spu_elf_build_stubs): Delete.
gas/
* config/tc-spu.c (md_pseudo_table): Add "brinfo".
(brinfo): New var.
(md_assemble): Poke brinfo into branch instructions.
(spu_brinfo): New function.
(md_apply_fix): Don't assume insn fields start off at zero, mask
them to remove possible brinfo.
ld/
* emultempl/spuelf.em (params): Init new fields.
(num_lines_set, line_size_set, icache_mgr, icache_mgr_stream): New vars.
(spu_place_special_section): Adjust placement for soft-icache. Pad
soft-icache section to a fixed size. Clear addr_tree.
(spu_elf_load_ovl_mgr): Support soft-icache. Map overlay manager
sections a little more intelligently.
(gld${EMULATION_NAME}_finish): Don't call spu_elf_build_stubs.
(OPTION_SPU_NUM_LINES): Rename from OPTION_SPU_NUM_REGIONS.
(OPTION_SPU_SOFT_ICACHE, OPTION_SPU_LINE_SIZE): Define.
(OPTION_SPU_LRLIVE): Define.
(PARSE_AND_LIST_LONGOPTS): Add new soft-icache options.
(PARSE_AND_LIST_OPTIONS): Likewise.
(PARSE_AND_LIST_ARGS_CASES): Handle them.
* emultempl/spu_icache.S: Dummy file.
* emultempl/spu_icache.o_c: Regenerate.
* Makefile.am (eelf32_spu.c): Depend on spu_icache.o_c.
(spu_icache.o_c): Add rule to build.
(CLEANFILES): Zap temp files.
(EXTRA_DIST): Add spu_icache.o_c.
* Makefile.in: Regenerate.
ld/testsuite/
* ld-spu/ovl.d: Allow for absolute branches in stubs.
* ld-spu/ovl2.d: Likewise.
This commit is contained in:
Alan Modra
parent
2c0fbbe09e
commit
cd4a7468c9
14 changed files with 1311 additions and 386 deletions
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@ -1,3 +1,46 @@
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2009-01-12 Alan Modra <amodra@bigpond.net.au>
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* elf32-spu.c (struct spu_link_hash_table): Add init, line_size_log2,
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num_lines_log2.
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(struct got_entry): Add br_addr.
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(struct call_info): Add priority.
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(struct function_info): Add lr_store and sp_adjust.
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(spu_elf_setup): Init line_size_log2 and num_lines_log2.
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(spu_elf_find_overlays): For soft-icache, mark any section within cache
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area as an overlay, and check that no other overlays exist. Look up
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icache overlay manager entry sym.
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(BRA_STUBS, BRA, BRASL): Define.
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(enum _stub_type): Replace ovl_stub with call_ovl_stub and br*_ovl_stub.
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(needs_ovl_stub): Adjust for soft-icache. Return priority encoded
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in branch insn.
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(count_stub, build_stub): Support soft-icache.
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(build_spuear_stubs, process_stubs): Adjust build_stub call.
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(spu_elf_size_stubs): Size soft-icache stubs.
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(overlay_index): New function.
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(spu_elf_build_stubs): Make static. Support soft-icache.
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(spu_elf_check_vma): Don't turn off auto_overlay if soft-icache.
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(find_function_stack_adjust): Save lr store and stack adjust insn
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offsets.
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(maybe_insert_function): Adjust find_function_stack_adjust call.
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(mark_functions_via_relocs): Retrieve priority.
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(remove_cycles): Only warn about pruned arcs when stack_analysis.
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(sort_calls): Sort by priority first.
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(mark_overlay_section): Ignore .ovl.init.
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(sum_stack): Only print when stack_analysis.
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(print_one_overlay_section): New function, extracted from..
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(spu_elf_auto_overlay): ..here. Support soft-icache overlays.
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(spu_elf_stack_analysis): Only print when htab->stack_analysis.
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(spu_elf_final_link): Call spu_elf_stack_analysis for lrlive
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analysis. Call spu_elf_build_stubs.
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(spu_elf_relocate_section): For soft-icache encode overlay index
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into addresses.
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(spu_elf_output_symbol_hook): Support soft-icache.
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(spu_elf_modify_program_headers: Likewise.
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* elf32-spu.h (struct spu_elf_params): Add lrlive_analysis. Rename
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num_regions to num_lines. Add line_size and max_branch.
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(enum _ovly_flavour): Add ovly_soft_icache.
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(spu_elf_build_stubs): Delete.
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2009-01-11 Jan Kratochvil <jan.kratochvil@redhat.com>
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* elflink.c (_bfd_elf_section_already_linked): Handle g++-3.4
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1206
bfd/elf32-spu.c
1206
bfd/elf32-spu.c
File diff suppressed because it is too large
Load diff
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@ -44,6 +44,9 @@ struct spu_elf_params
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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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@ -55,7 +58,9 @@ struct spu_elf_params
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bfd_vma local_store_hi;
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/* Control --auto-overlay feature. */
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unsigned int num_regions;
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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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@ -92,6 +97,7 @@ enum _ovly_flavour
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{
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ovly_compact,
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ovly_normal,
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ovly_soft_icache,
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ovly_none
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};
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@ -108,5 +114,4 @@ extern bfd_boolean spu_elf_open_builtin_lib (bfd **,
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extern bfd_boolean spu_elf_create_sections (struct bfd_link_info *);
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extern bfd_boolean spu_elf_find_overlays (struct bfd_link_info *);
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extern int spu_elf_size_stubs (struct bfd_link_info *);
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extern bfd_boolean spu_elf_build_stubs (struct bfd_link_info *);
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extern asection *spu_elf_check_vma (struct bfd_link_info *);
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@ -1,3 +1,12 @@
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2009-01-12 Alan Modra <amodra@bigpond.net.au>
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* config/tc-spu.c (md_pseudo_table): Add "brinfo".
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(brinfo): New var.
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(md_assemble): Poke brinfo into branch instructions.
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(spu_brinfo): New function.
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(md_apply_fix): Don't assume insn fields start off at zero, mask
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them to remove possible brinfo.
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2009-01-10 H.J. Lu <hongjiu.lu@intel.com>
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* doc/c-i386.texi: Reformat.
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@ -1,6 +1,6 @@
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/* spu.c -- Assembler for the IBM Synergistic Processing Unit (SPU)
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Copyright 2006, 2007, 2008 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 GAS, the GNU Assembler.
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@ -53,6 +53,7 @@ static const char *get_reg (const char *param, struct spu_insn *insn, int arg,
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int accept_expr);
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static int calcop (struct spu_opcode *format, const char *param,
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struct spu_insn *insn);
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static void spu_brinfo (int);
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static void spu_cons (int);
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extern char *myname;
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@ -82,6 +83,7 @@ const char FLT_CHARS[] = "dDfF";
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const pseudo_typeS md_pseudo_table[] =
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{
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{"align", s_align_ptwo, 4},
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{"brinfo", spu_brinfo, 0},
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{"bss", s_lcomm_bytes, 1},
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{"def", s_set, 0},
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{"dfloat", float_cons, 'd'},
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@ -104,6 +106,9 @@ const pseudo_typeS md_pseudo_table[] =
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{0,0,0}
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};
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/* Bits plugged into branch instruction offset field. */
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unsigned int brinfo;
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void
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md_begin (void)
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{
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@ -342,6 +347,16 @@ md_assemble (char *op)
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as_warn (_("Treating '%-*s' as a symbol."), (int)(syntax_error_param - d), d);
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}
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if (brinfo != 0
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&& (insn.tag <= M_BRASL
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|| (insn.tag >= M_BRZ && insn.tag <= M_BRHNZ))
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&& (insn.opcode & 0x7ff80) == 0
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&& (insn.reloc_arg[0] == A_R18
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|| insn.reloc_arg[0] == A_S18
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|| insn.reloc_arg[1] == A_R18
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|| insn.reloc_arg[1] == A_S18))
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insn.opcode |= brinfo << 7;
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/* grow the current frag and plop in the opcode */
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thisfrag = frag_more (4);
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@ -370,6 +385,9 @@ md_assemble (char *op)
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fixP->tc_fix_data.insn_tag = insn.tag;
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}
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dwarf2_emit_insn (4);
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/* .brinfo lasts exactly one instruction. */
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brinfo = 0;
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}
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static int
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@ -752,6 +770,39 @@ md_create_long_jump (char *ptr,
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}
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#endif
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/* Handle .brinfo <priority>,<lrlive>. */
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static void
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spu_brinfo (int ignore ATTRIBUTE_UNUSED)
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{
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addressT priority;
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addressT lrlive;
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priority = get_absolute_expression ();
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SKIP_WHITESPACE ();
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lrlive = 0;
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if (*input_line_pointer == ',')
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{
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++input_line_pointer;
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lrlive = get_absolute_expression ();
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}
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if (priority > 0x1fff)
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{
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as_bad (_("invalid priority '%lu'"), (unsigned long) priority);
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priority = 0;
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}
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if (lrlive > 7)
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{
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as_bad (_("invalid lrlive '%lu'"), (unsigned long) lrlive);
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lrlive = 0;
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}
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brinfo = (lrlive << 13) | priority;
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demand_empty_rest_of_line ();
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}
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/* Support @ppu on symbols referenced in .int/.long/.word/.quad. */
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static void
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spu_cons (int nbytes)
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@ -898,6 +949,7 @@ void
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md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
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{
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unsigned int res;
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unsigned int mask;
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valueT val = *valP;
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char *place = fixP->fx_where + fixP->fx_frag->fr_literal;
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@ -944,6 +996,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
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{
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fixP->fx_done = 1;
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res = 0;
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mask = 0;
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if (fixP->tc_fix_data.arg_format > A_P)
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{
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int hi = arg_encode[fixP->tc_fix_data.arg_format].hi;
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@ -955,84 +1008,94 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
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}
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switch (fixP->fx_r_type)
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{
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case BFD_RELOC_8:
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{
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case BFD_RELOC_8:
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md_number_to_chars (place, val, 1);
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return;
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case BFD_RELOC_16:
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case BFD_RELOC_16:
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md_number_to_chars (place, val, 2);
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return;
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case BFD_RELOC_32:
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case BFD_RELOC_32:
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case BFD_RELOC_32_PCREL:
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md_number_to_chars (place, val, 4);
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return;
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case BFD_RELOC_64:
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case BFD_RELOC_64:
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md_number_to_chars (place, val, 8);
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return;
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case BFD_RELOC_SPU_IMM7:
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res = (val & 0x7f) << 14;
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break;
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case BFD_RELOC_SPU_IMM7:
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res = val << 14;
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mask = 0x7f << 14;
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break;
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case BFD_RELOC_SPU_IMM8:
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res = (val & 0xff) << 14;
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break;
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case BFD_RELOC_SPU_IMM8:
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res = val << 14;
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mask = 0xff << 14;
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break;
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case BFD_RELOC_SPU_IMM10:
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res = (val & 0x3ff) << 14;
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break;
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case BFD_RELOC_SPU_IMM10:
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res = val << 14;
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mask = 0x3ff << 14;
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break;
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case BFD_RELOC_SPU_IMM10W:
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res = (val & 0x3ff0) << 10;
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break;
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case BFD_RELOC_SPU_IMM10W:
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res = val << 10;
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mask = 0x3ff0 << 10;
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break;
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case BFD_RELOC_SPU_IMM16:
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res = (val & 0xffff) << 7;
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break;
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case BFD_RELOC_SPU_IMM16:
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res = val << 7;
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mask = 0xffff << 7;
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break;
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case BFD_RELOC_SPU_IMM16W:
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res = (val & 0x3fffc) << 5;
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break;
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case BFD_RELOC_SPU_IMM16W:
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res = val << 5;
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mask = 0x3fffc << 5;
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break;
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case BFD_RELOC_SPU_IMM18:
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res = (val & 0x3ffff) << 7;
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break;
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case BFD_RELOC_SPU_IMM18:
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res = val << 7;
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mask = 0x3ffff << 7;
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break;
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case BFD_RELOC_SPU_PCREL9a:
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res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 14);
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break;
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case BFD_RELOC_SPU_PCREL9a:
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res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 14);
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mask = (0x1fc >> 2) | (0x600 << 14);
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break;
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case BFD_RELOC_SPU_PCREL9b:
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res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 5);
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break;
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case BFD_RELOC_SPU_PCREL9b:
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res = ((val & 0x1fc) >> 2) | ((val & 0x600) << 5);
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mask = (0x1fc >> 2) | (0x600 << 5);
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break;
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case BFD_RELOC_SPU_PCREL16:
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res = (val & 0x3fffc) << 5;
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break;
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case BFD_RELOC_SPU_PCREL16:
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res = val << 5;
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mask = 0x3fffc << 5;
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break;
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case BFD_RELOC_SPU_HI16:
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res = (val >> 9) & 0x7fff80;
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res = val >> 9;
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mask = 0xffff << 7;
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break;
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case BFD_RELOC_SPU_LO16:
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res = (val << 7) & 0x7fff80;
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res = val << 7;
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mask = 0xffff << 7;
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break;
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default:
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as_bad_where (fixP->fx_file, fixP->fx_line,
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_("reloc %d not supported by object file format"),
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(int) fixP->fx_r_type);
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||||
}
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default:
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as_bad_where (fixP->fx_file, fixP->fx_line,
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_("reloc %d not supported by object file format"),
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(int) fixP->fx_r_type);
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}
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if (res != 0)
|
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{
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place[0] |= (res >> 24) & 0xff;
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place[1] |= (res >> 16) & 0xff;
|
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place[2] |= (res >> 8) & 0xff;
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place[3] |= (res) & 0xff;
|
||||
}
|
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res &= mask;
|
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place[0] = (place[0] & (~mask >> 24)) | ((res >> 24) & 0xff);
|
||||
place[1] = (place[1] & (~mask >> 16)) | ((res >> 16) & 0xff);
|
||||
place[2] = (place[2] & (~mask >> 8)) | ((res >> 8) & 0xff);
|
||||
place[3] = (place[3] & ~mask) | (res & 0xff);
|
||||
}
|
||||
}
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|
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23
ld/ChangeLog
23
ld/ChangeLog
|
|
@ -1,3 +1,26 @@
|
|||
2009-01-12 Alan Modra <amodra@bigpond.net.au>
|
||||
|
||||
* emultempl/spuelf.em (params): Init new fields.
|
||||
(num_lines_set, line_size_set, icache_mgr, icache_mgr_stream): New vars.
|
||||
(spu_place_special_section): Adjust placement for soft-icache. Pad
|
||||
soft-icache section to a fixed size. Clear addr_tree.
|
||||
(spu_elf_load_ovl_mgr): Support soft-icache. Map overlay manager
|
||||
sections a little more intelligently.
|
||||
(gld${EMULATION_NAME}_finish): Don't call spu_elf_build_stubs.
|
||||
(OPTION_SPU_NUM_LINES): Rename from OPTION_SPU_NUM_REGIONS.
|
||||
(OPTION_SPU_SOFT_ICACHE, OPTION_SPU_LINE_SIZE): Define.
|
||||
(OPTION_SPU_LRLIVE): Define.
|
||||
(PARSE_AND_LIST_LONGOPTS): Add new soft-icache options.
|
||||
(PARSE_AND_LIST_OPTIONS): Likewise.
|
||||
(PARSE_AND_LIST_ARGS_CASES): Handle them.
|
||||
* emultempl/spu_icache.S: Dummy file.
|
||||
* emultempl/spu_icache.o_c: Regenerate.
|
||||
* Makefile.am (eelf32_spu.c): Depend on spu_icache.o_c.
|
||||
(spu_icache.o_c): Add rule to build.
|
||||
(CLEANFILES): Zap temp files.
|
||||
(EXTRA_DIST): Add spu_icache.o_c.
|
||||
* Makefile.in: Regenerate.
|
||||
|
||||
2009-01-08 Kai Tietz <kai.tietz@onevision.com>
|
||||
|
||||
* pe.em (OPTION_USE_NUL_PREFIXED_IMPORT_TABLES): New.
|
||||
|
|
|
|||
|
|
@ -753,7 +753,7 @@ eelf32_sparc_vxworks.c: $(srcdir)/emulparams/elf32_sparc_vxworks.sh \
|
|||
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
|
||||
${GENSCRIPTS} elf32_sparc_vxworks "$(tdir_elf32_sparc_vxworks)"
|
||||
eelf32_spu.c: $(srcdir)/emulparams/elf32_spu.sh $(srcdir)/emultempl/spuelf.em \
|
||||
$(srcdir)/emultempl/spu_ovl.o_c \
|
||||
$(srcdir)/emultempl/spu_ovl.o_c $(srcdir)/emultempl/spu_icache.o_c \
|
||||
ldemul-list.h \
|
||||
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
|
||||
${GENSCRIPTS} elf32_spu "$(tdir_elf32_spu)"
|
||||
|
|
@ -764,6 +764,13 @@ $(srcdir)/emultempl/spu_ovl.o_c: @MAINT@ $(srcdir)/emultempl/spu_ovl.S
|
|||
../gas/as-new -o spu_ovl.o spu_ovl.s; \
|
||||
../binutils/bin2c <spu_ovl.o >$@; \
|
||||
fi
|
||||
$(srcdir)/emultempl/spu_icache.o_c: @MAINT@ $(srcdir)/emultempl/spu_icache.S
|
||||
if ../gas/as-new --version \
|
||||
| grep 'target.*spu' >/dev/null 2>/dev/null; then \
|
||||
cpp -DOVLY_IRQ_SAVE $(srcdir)/emultempl/spu_icache.S spu_icache.s; \
|
||||
../gas/as-new -o spu_icache.o spu_icache.s; \
|
||||
../binutils/bin2c <spu_icache.o >$@; \
|
||||
fi
|
||||
eelf32_i860.c: $(srcdir)/emulparams/elf32_i860.sh \
|
||||
$(ELF_GEN_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
|
||||
${GENSCRIPTS} elf32_i860 "$(tdir_elf32_i860)"
|
||||
|
|
@ -1844,7 +1851,7 @@ MOSTLYCLEANFILES = $(STAGESTUFF) ld1$(EXEEXT) ld2$(EXEEXT) ld3$(EXEEXT) \
|
|||
ldemul-list.h crtbegin.o crtend.o ld.log ld.sum
|
||||
mostlyclean-local:
|
||||
-rm -rf tmpdir
|
||||
CLEANFILES = dep.sed DEP DEPA DEP1 DEP2 spu_ovl.s spu_ovl.o
|
||||
CLEANFILES = dep.sed DEP DEPA DEP1 DEP2 spu_ovl.s spu_ovl.o spu_icache.s spu_icache.o
|
||||
|
||||
.PHONY: install-html install-html-am install-html-recursive
|
||||
|
||||
|
|
@ -1924,7 +1931,7 @@ install-data-local: install-info
|
|||
# Stuff that should be included in a distribution. The diststuff
|
||||
# target is run by the taz target in ../Makefile.in.
|
||||
EXTRA_DIST = ldgram.c ldgram.h ldlex.c emultempl/spu_ovl.o_c \
|
||||
deffilep.c deffilep.h $(man_MANS)
|
||||
emultempl/spu_icache.o_c deffilep.c deffilep.h $(man_MANS)
|
||||
diststuff: info $(EXTRA_DIST)
|
||||
all: info ld.1
|
||||
|
||||
|
|
|
|||
|
|
@ -739,13 +739,13 @@ CONFIG_STATUS_DEPENDENCIES = $(srcdir)/configure.host $(srcdir)/configure.tgt \
|
|||
MOSTLYCLEANFILES = $(STAGESTUFF) ld1$(EXEEXT) ld2$(EXEEXT) ld3$(EXEEXT) \
|
||||
ldemul-list.h crtbegin.o crtend.o ld.log ld.sum
|
||||
|
||||
CLEANFILES = dep.sed DEP DEPA DEP1 DEP2 spu_ovl.s spu_ovl.o
|
||||
CLEANFILES = dep.sed DEP DEPA DEP1 DEP2 spu_ovl.s spu_ovl.o spu_icache.s spu_icache.o
|
||||
html__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
|
||||
|
||||
# Stuff that should be included in a distribution. The diststuff
|
||||
# target is run by the taz target in ../Makefile.in.
|
||||
EXTRA_DIST = ldgram.c ldgram.h ldlex.c emultempl/spu_ovl.o_c \
|
||||
deffilep.c deffilep.h $(man_MANS)
|
||||
emultempl/spu_icache.o_c deffilep.c deffilep.h $(man_MANS)
|
||||
|
||||
DISTCLEANFILES = tdirs site.exp site.bak stringify.sed $(am__append_1)
|
||||
all: config.h
|
||||
|
|
@ -1597,7 +1597,7 @@ eelf32_sparc_vxworks.c: $(srcdir)/emulparams/elf32_sparc_vxworks.sh \
|
|||
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
|
||||
${GENSCRIPTS} elf32_sparc_vxworks "$(tdir_elf32_sparc_vxworks)"
|
||||
eelf32_spu.c: $(srcdir)/emulparams/elf32_spu.sh $(srcdir)/emultempl/spuelf.em \
|
||||
$(srcdir)/emultempl/spu_ovl.o_c \
|
||||
$(srcdir)/emultempl/spu_ovl.o_c $(srcdir)/emultempl/spu_icache.o_c \
|
||||
ldemul-list.h \
|
||||
$(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
|
||||
${GENSCRIPTS} elf32_spu "$(tdir_elf32_spu)"
|
||||
|
|
@ -1608,6 +1608,13 @@ $(srcdir)/emultempl/spu_ovl.o_c: @MAINT@ $(srcdir)/emultempl/spu_ovl.S
|
|||
../gas/as-new -o spu_ovl.o spu_ovl.s; \
|
||||
../binutils/bin2c <spu_ovl.o >$@; \
|
||||
fi
|
||||
$(srcdir)/emultempl/spu_icache.o_c: @MAINT@ $(srcdir)/emultempl/spu_icache.S
|
||||
if ../gas/as-new --version \
|
||||
| grep 'target.*spu' >/dev/null 2>/dev/null; then \
|
||||
cpp -DOVLY_IRQ_SAVE $(srcdir)/emultempl/spu_icache.S spu_icache.s; \
|
||||
../gas/as-new -o spu_icache.o spu_icache.s; \
|
||||
../binutils/bin2c <spu_icache.o >$@; \
|
||||
fi
|
||||
eelf32_i860.c: $(srcdir)/emulparams/elf32_i860.sh \
|
||||
$(ELF_GEN_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
|
||||
${GENSCRIPTS} elf32_i860 "$(tdir_elf32_i860)"
|
||||
|
|
|
|||
4
ld/emultempl/spu_icache.S
Normal file
4
ld/emultempl/spu_icache.S
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
.text
|
||||
.global __icache_br_handler
|
||||
__icache_br_handler:
|
||||
stop
|
||||
0
ld/emultempl/spu_icache.o_c
Normal file
0
ld/emultempl/spu_icache.o_c
Normal file
|
|
@ -1,5 +1,5 @@
|
|||
# This shell script emits a C file. -*- C -*-
|
||||
# Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
|
||||
# Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
|
||||
#
|
||||
# This file is part of the GNU Binutils.
|
||||
#
|
||||
|
|
@ -37,11 +37,13 @@ static struct spu_elf_params params =
|
|||
&spu_elf_load_ovl_mgr,
|
||||
&spu_elf_open_overlay_script,
|
||||
&spu_elf_relink,
|
||||
0, ovly_normal, 0, 0, 0, 0,
|
||||
0, ovly_normal, 0, 0, 0, 0, 0,
|
||||
0, 0x3ffff,
|
||||
1, 0, 0, 2000
|
||||
1, 0, 16, 0, 0, 2000
|
||||
};
|
||||
|
||||
static unsigned int num_lines_set = 0;
|
||||
static unsigned int line_size_set = 0;
|
||||
static char *auto_overlay_file = 0;
|
||||
int my_argc;
|
||||
char **my_argv;
|
||||
|
|
@ -52,7 +54,20 @@ EOF
|
|||
if ! cat ${srcdir}/emultempl/spu_ovl.o_c >> e${EMULATION_NAME}.c
|
||||
then
|
||||
echo >&2 "Missing ${srcdir}/emultempl/spu_ovl.o_c"
|
||||
echo >&2 "You must build gas/as-new with --target=spu to build spu_ovl.o"
|
||||
echo >&2 "You must build gas/as-new with --target=spu"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
fragment <<EOF
|
||||
};
|
||||
|
||||
static const char icache_mgr[] = {
|
||||
EOF
|
||||
|
||||
if ! cat ${srcdir}/emultempl/spu_icache.o_c >> e${EMULATION_NAME}.c
|
||||
then
|
||||
echo >&2 "Missing ${srcdir}/emultempl/spu_icache.o_c"
|
||||
echo >&2 "You must build gas/as-new with --target=spu"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
|
|
@ -64,6 +79,11 @@ static const struct _ovl_stream ovl_mgr_stream = {
|
|||
ovl_mgr + sizeof (ovl_mgr)
|
||||
};
|
||||
|
||||
static const struct _ovl_stream icache_mgr_stream = {
|
||||
icache_mgr,
|
||||
icache_mgr + sizeof (icache_mgr)
|
||||
};
|
||||
|
||||
|
||||
static int
|
||||
is_spu_target (void)
|
||||
|
|
@ -96,7 +116,8 @@ spu_after_open (void)
|
|||
}
|
||||
|
||||
/* If O is NULL, add section S at the end of output section OUTPUT_NAME.
|
||||
If O is not NULL, add section S at the beginning of output section O.
|
||||
If O is not NULL, add section S at the beginning of output section O,
|
||||
except for soft-icache which adds to the end.
|
||||
|
||||
Really, we should be duplicating ldlang.c map_input_to_output_sections
|
||||
logic here, ie. using the linker script to find where the section
|
||||
|
|
@ -115,8 +136,12 @@ spu_place_special_section (asection *s, asection *o, const char *output_name)
|
|||
output_name = o->name;
|
||||
os = lang_output_section_find (output_name);
|
||||
if (os == NULL)
|
||||
gld${EMULATION_NAME}_place_orphan (s, output_name, 0);
|
||||
else if (o != NULL && os->children.head != NULL)
|
||||
{
|
||||
os = gld${EMULATION_NAME}_place_orphan (s, output_name, 0);
|
||||
os->addr_tree = NULL;
|
||||
}
|
||||
else if (params.ovly_flavour != ovly_soft_icache
|
||||
&& o != NULL && os->children.head != NULL)
|
||||
{
|
||||
lang_statement_list_type add;
|
||||
|
||||
|
|
@ -126,7 +151,21 @@ spu_place_special_section (asection *s, asection *o, const char *output_name)
|
|||
os->children.head = add.head;
|
||||
}
|
||||
else
|
||||
lang_add_section (&os->children, s, os);
|
||||
{
|
||||
if (params.ovly_flavour == ovly_soft_icache && o != NULL)
|
||||
{
|
||||
/* Pad this stub section so that it finishes at the
|
||||
end of the icache line. */
|
||||
etree_type *e_size;
|
||||
lang_statement_list_type *save = stat_ptr;
|
||||
|
||||
stat_ptr = &os->children;
|
||||
e_size = exp_intop (params.line_size - s->size);
|
||||
lang_add_assignment (exp_assop ('=', ".", e_size));
|
||||
stat_ptr = save;
|
||||
}
|
||||
lang_add_section (&os->children, s, os);
|
||||
}
|
||||
|
||||
s->output_section->size += s->size;
|
||||
}
|
||||
|
|
@ -137,10 +176,19 @@ static bfd_size_type
|
|||
spu_elf_load_ovl_mgr (void)
|
||||
{
|
||||
struct elf_link_hash_entry *h;
|
||||
const char *ovly_mgr_entry;
|
||||
const struct _ovl_stream *mgr_stream;
|
||||
bfd_size_type total = 0;
|
||||
|
||||
ovly_mgr_entry = "__ovly_load";
|
||||
mgr_stream = &ovl_mgr_stream;
|
||||
if (params.ovly_flavour == ovly_soft_icache)
|
||||
{
|
||||
ovly_mgr_entry = "__icache_br_handler";
|
||||
mgr_stream = &icache_mgr_stream;
|
||||
}
|
||||
h = elf_link_hash_lookup (elf_hash_table (&link_info),
|
||||
"__ovly_load", FALSE, FALSE, FALSE);
|
||||
ovly_mgr_entry, FALSE, FALSE, FALSE);
|
||||
|
||||
if (h != NULL
|
||||
&& (h->root.type == bfd_link_hash_defined
|
||||
|
|
@ -149,7 +197,7 @@ spu_elf_load_ovl_mgr (void)
|
|||
{
|
||||
/* User supplied __ovly_load. */
|
||||
}
|
||||
else if (ovl_mgr_stream.start == ovl_mgr_stream.end)
|
||||
else if (mgr_stream->start == mgr_stream->end)
|
||||
einfo ("%F%P: no built-in overlay manager\n");
|
||||
else
|
||||
{
|
||||
|
|
@ -159,7 +207,7 @@ spu_elf_load_ovl_mgr (void)
|
|||
lang_input_file_is_file_enum,
|
||||
NULL);
|
||||
|
||||
if (!spu_elf_open_builtin_lib (&ovl_is->the_bfd, &ovl_mgr_stream))
|
||||
if (!spu_elf_open_builtin_lib (&ovl_is->the_bfd, mgr_stream))
|
||||
einfo ("%X%P: can not open built-in overlay manager: %E\n");
|
||||
else
|
||||
{
|
||||
|
|
@ -168,13 +216,38 @@ spu_elf_load_ovl_mgr (void)
|
|||
if (!load_symbols (ovl_is, NULL))
|
||||
einfo ("%X%P: can not load built-in overlay manager: %E\n");
|
||||
|
||||
/* Map overlay manager sections to output sections. */
|
||||
/* Map overlay manager sections to output sections.
|
||||
First try for a matching output section name, if that
|
||||
fails then try mapping .abc.xyz to .abc, otherwise map
|
||||
to .text. */
|
||||
for (in = ovl_is->the_bfd->sections; in != NULL; in = in->next)
|
||||
if ((in->flags & (SEC_ALLOC | SEC_LOAD))
|
||||
== (SEC_ALLOC | SEC_LOAD))
|
||||
{
|
||||
total += in->size;
|
||||
spu_place_special_section (in, NULL, ".text");
|
||||
const char *oname = in->name;
|
||||
if (strncmp (in->name, ".ovl.init", 9) != 0)
|
||||
{
|
||||
total += in->size;
|
||||
if (!lang_output_section_find (oname))
|
||||
{
|
||||
lang_output_section_statement_type *os = NULL;
|
||||
char *p = strchr (oname + 1, '.');
|
||||
if (p != NULL)
|
||||
{
|
||||
size_t len = p - oname;
|
||||
p = memcpy (xmalloc (len + 1), oname, len);
|
||||
p[len] = '\0';
|
||||
os = lang_output_section_find (p);
|
||||
free (p);
|
||||
}
|
||||
if (os != NULL)
|
||||
oname = os->name;
|
||||
else
|
||||
oname = ".text";
|
||||
}
|
||||
}
|
||||
|
||||
spu_place_special_section (in, NULL, oname);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -338,9 +411,6 @@ gld${EMULATION_NAME}_finish (void)
|
|||
}
|
||||
else if (params.auto_overlay)
|
||||
einfo ("%P: --auto-overlay ignored with zero local store range\n");
|
||||
|
||||
if (!spu_elf_build_stubs (&link_info))
|
||||
einfo ("%F%P: can not build overlay stubs: %E\n");
|
||||
}
|
||||
|
||||
finish_default ();
|
||||
|
|
@ -520,8 +590,11 @@ PARSE_AND_LIST_PROLOGUE='
|
|||
#define OPTION_SPU_AUTO_OVERLAY (OPTION_SPU_STACK_SYMS + 1)
|
||||
#define OPTION_SPU_AUTO_RELINK (OPTION_SPU_AUTO_OVERLAY + 1)
|
||||
#define OPTION_SPU_OVERLAY_RODATA (OPTION_SPU_AUTO_RELINK + 1)
|
||||
#define OPTION_SPU_NUM_REGIONS (OPTION_SPU_OVERLAY_RODATA + 1)
|
||||
#define OPTION_SPU_FIXED_SPACE (OPTION_SPU_NUM_REGIONS + 1)
|
||||
#define OPTION_SPU_SOFT_ICACHE (OPTION_SPU_OVERLAY_RODATA + 1)
|
||||
#define OPTION_SPU_LINE_SIZE (OPTION_SPU_SOFT_ICACHE + 1)
|
||||
#define OPTION_SPU_NUM_LINES (OPTION_SPU_LINE_SIZE + 1)
|
||||
#define OPTION_SPU_LRLIVE (OPTION_SPU_NUM_LINES + 1)
|
||||
#define OPTION_SPU_FIXED_SPACE (OPTION_SPU_LRLIVE + 1)
|
||||
#define OPTION_SPU_RESERVED_SPACE (OPTION_SPU_FIXED_SPACE + 1)
|
||||
#define OPTION_SPU_EXTRA_STACK (OPTION_SPU_RESERVED_SPACE + 1)
|
||||
#define OPTION_SPU_NO_AUTO_OVERLAY (OPTION_SPU_EXTRA_STACK + 1)
|
||||
|
|
@ -529,6 +602,10 @@ PARSE_AND_LIST_PROLOGUE='
|
|||
|
||||
PARSE_AND_LIST_LONGOPTS='
|
||||
{ "plugin", no_argument, NULL, OPTION_SPU_PLUGIN },
|
||||
{ "soft-icache", no_argument, NULL, OPTION_SPU_SOFT_ICACHE },
|
||||
{ "lrlive-analysis", no_argument, NULL, OPTION_SPU_LRLIVE },
|
||||
{ "num-lines", required_argument, NULL, OPTION_SPU_NUM_LINES },
|
||||
{ "line-size", required_argument, NULL, OPTION_SPU_LINE_SIZE },
|
||||
{ "no-overlays", no_argument, NULL, OPTION_SPU_NO_OVERLAYS },
|
||||
{ "emit-stub-syms", no_argument, NULL, OPTION_SPU_STUB_SYMS },
|
||||
{ "extra-overlay-stubs", no_argument, NULL, OPTION_SPU_NON_OVERLAY_STUBS },
|
||||
|
|
@ -538,7 +615,8 @@ PARSE_AND_LIST_LONGOPTS='
|
|||
{ "auto-overlay", optional_argument, NULL, OPTION_SPU_AUTO_OVERLAY },
|
||||
{ "auto-relink", no_argument, NULL, OPTION_SPU_AUTO_RELINK },
|
||||
{ "overlay-rodata", no_argument, NULL, OPTION_SPU_OVERLAY_RODATA },
|
||||
{ "num-regions", required_argument, NULL, OPTION_SPU_NUM_REGIONS },
|
||||
{ "num-regions", required_argument, NULL, OPTION_SPU_NUM_LINES },
|
||||
{ "region-size", required_argument, NULL, OPTION_SPU_LINE_SIZE },
|
||||
{ "fixed-space", required_argument, NULL, OPTION_SPU_FIXED_SPACE },
|
||||
{ "reserved-space", required_argument, NULL, OPTION_SPU_RESERVED_SPACE },
|
||||
{ "extra-stack-space", required_argument, NULL, OPTION_SPU_EXTRA_STACK },
|
||||
|
|
@ -560,11 +638,16 @@ PARSE_AND_LIST_OPTIONS='
|
|||
--overlay-rodata Place read-only data with associated function\n\
|
||||
code in overlays.\n\
|
||||
--num-regions Number of overlay buffers (default 1).\n\
|
||||
--region-size Size of overlay buffers (default 0, auto).\n\
|
||||
--fixed-space=bytes Local store for non-overlay code and data.\n\
|
||||
--reserved-space=bytes Local store for stack and heap. If not specified\n\
|
||||
ld will estimate stack size and assume no heap.\n\
|
||||
--extra-stack-space=bytes Space for negative sp access (default 2000) if\n\
|
||||
--reserved-space not given.\n"
|
||||
--reserved-space not given.\n\
|
||||
--soft-icache Generate software icache overlays.\n\
|
||||
--num-lines Number of soft-icache lines (default 32).\n\
|
||||
--line-size Size of soft-icache lines (default 1k).\n\
|
||||
--lrlive-analysis Scan function prologue for lr liveness.\n"
|
||||
));
|
||||
'
|
||||
|
||||
|
|
@ -624,13 +707,47 @@ PARSE_AND_LIST_ARGS_CASES='
|
|||
params.auto_overlay |= 4;
|
||||
break;
|
||||
|
||||
case OPTION_SPU_NUM_REGIONS:
|
||||
case OPTION_SPU_SOFT_ICACHE:
|
||||
params.ovly_flavour = ovly_soft_icache;
|
||||
if (!num_lines_set)
|
||||
params.num_lines = 32;
|
||||
else if ((params.num_lines & -params.num_lines) != params.num_lines)
|
||||
einfo (_("%P%F: invalid --num-lines/--num-regions `%u'\''\n"),
|
||||
params.num_lines);
|
||||
if (!line_size_set)
|
||||
params.line_size = 1024;
|
||||
else if ((params.line_size & -params.line_size) != params.line_size)
|
||||
einfo (_("%P%F: invalid --line-size/--region-size `%u'\''\n"),
|
||||
params.line_size);
|
||||
break;
|
||||
|
||||
case OPTION_SPU_LRLIVE:
|
||||
params.lrlive_analysis = 1;
|
||||
break;
|
||||
|
||||
case OPTION_SPU_NUM_LINES:
|
||||
{
|
||||
char *end;
|
||||
params.num_regions = strtoul (optarg, &end, 0);
|
||||
if (*end == 0)
|
||||
params.num_lines = strtoul (optarg, &end, 0);
|
||||
num_lines_set = 1;
|
||||
if (*end == 0
|
||||
&& (params.ovly_flavour != ovly_soft_icache
|
||||
|| (params.num_lines & -params.num_lines) == params.num_lines))
|
||||
break;
|
||||
einfo (_("%P%F: invalid --num-regions `%s'\''\n"), optarg);
|
||||
einfo (_("%P%F: invalid --num-lines/--num-regions `%s'\''\n"), optarg);
|
||||
}
|
||||
break;
|
||||
|
||||
case OPTION_SPU_LINE_SIZE:
|
||||
{
|
||||
char *end;
|
||||
params.line_size = strtoul (optarg, &end, 0);
|
||||
line_size_set = 1;
|
||||
if (*end == 0
|
||||
&& (params.ovly_flavour != ovly_soft_icache
|
||||
|| (params.line_size & -params.line_size) == params.line_size))
|
||||
break;
|
||||
einfo (_("%P%F: invalid --line-size/--region-size `%s'\''\n"), optarg);
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,8 @@
|
|||
2009-01-12 Alan Modra <amodra@bigpond.net.au>
|
||||
|
||||
* ld-spu/ovl.d: Allow for absolute branches in stubs.
|
||||
* ld-spu/ovl2.d: Likewise.
|
||||
|
||||
2009-01-11 Jan Kratochvil <jan.kratochvil@redhat.com>
|
||||
|
||||
* ld-elf/linkoncerdiff.d, ld-elf/linkoncerdiff1.s,
|
||||
|
|
|
|||
|
|
@ -29,64 +29,64 @@ Disassembly of section \.text:
|
|||
.* bi \$0
|
||||
|
||||
#00000130 <00000000\.ovl_call\.f1_a1>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 04 04 00.*
|
||||
#
|
||||
#00000138 <00000000\.ovl_call\.f2_a1>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 04 04 04.*
|
||||
#
|
||||
#00000140 <00000000\.ovl_call\.f1_a2>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 08 04 00.*
|
||||
#
|
||||
#00000148 <00000000\.ovl_call\.f2_a2>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 08 04 24.*
|
||||
#
|
||||
#00000150 <00000000\.ovl_call\.f4_a1>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 04 04 10.*
|
||||
#
|
||||
#00000158 <00000000.ovl_call.14:8>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 08 04 34.*
|
||||
|
||||
00000130 <00000000\.ovl_call\.f1_a1>:
|
||||
.* ila \$78,1
|
||||
.* lnop
|
||||
.* ila \$79,1024 # 400
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000140 <00000000\.ovl_call\.f2_a1>:
|
||||
.* ila \$78,1
|
||||
.* lnop
|
||||
.* ila \$79,1028 # 404
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000150 <00000000.ovl_call.f1_a2>:
|
||||
.* ila \$78,2
|
||||
.* lnop
|
||||
.* ila \$79,1024 # 400
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000160 <00000000\.ovl_call\.f2_a2>:
|
||||
.* ila \$78,2
|
||||
.* lnop
|
||||
.* ila \$79,1060 # 424
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000170 <00000000\.ovl_call\.f4_a1>:
|
||||
.* ila \$78,1
|
||||
.* lnop
|
||||
.* ila \$79,1040 # 410
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000180 <00000000.ovl_call.14:8>:
|
||||
.* ila \$78,2
|
||||
.* lnop
|
||||
.* ila \$79,1076 # 434
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
#...
|
||||
[0-9a-f]+ <__ovly_return>:
|
||||
|
|
|
|||
|
|
@ -24,40 +24,40 @@ Disassembly of section \.text:
|
|||
\.\.\.
|
||||
|
||||
#00000118 <00000000\.ovl_call.f1_a1>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 04 04 00.*
|
||||
#
|
||||
#00000120 <00000000\.ovl_call.setjmp>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 00 01 0c.*
|
||||
#
|
||||
#00000128 <_SPUEAR_f1_a2>:
|
||||
#.* brsl \$75,.* <__ovly_load>.*
|
||||
#.* bra?sl \$75,.* <__ovly_load>.*
|
||||
#.*00 08 04 00.*
|
||||
|
||||
00000120 <00000000\.ovl_call.f1_a1>:
|
||||
.* ila \$78,1
|
||||
.* lnop
|
||||
.* ila \$79,1040 # 410
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000130 <00000000\.ovl_call.setjmp>:
|
||||
.* ila \$78,0
|
||||
.* lnop
|
||||
.* ila \$79,268 # 10c
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000140 <00000000\.ovl_call\.13:5>:
|
||||
.* ila \$78,1
|
||||
.* lnop
|
||||
.* ila \$79,1044 # 414
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000150 <_SPUEAR_f1_a2>:
|
||||
.* ila \$78,2
|
||||
.* lnop
|
||||
.* ila \$79,1040 # 410
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
#...
|
||||
Disassembly of section \.ov_a1:
|
||||
|
|
@ -66,7 +66,7 @@ Disassembly of section \.ov_a1:
|
|||
.* ila \$78,2
|
||||
.* lnop
|
||||
.* ila \$79,1044 # 414
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000410 <f1_a1>:
|
||||
.* bi \$0
|
||||
|
|
@ -83,7 +83,7 @@ Disassembly of section \.ov_a2:
|
|||
.* ila \$78,1
|
||||
.* lnop
|
||||
.* ila \$79,1056 # 420
|
||||
.* br .* <__ovly_load>.*
|
||||
.* bra? .* <__ovly_load>.*
|
||||
|
||||
00000410 <f1_a2>:
|
||||
.* br .* <longjmp>.*
|
||||
|
|
|
|||
Loading…
Reference in a new issue