b54214fe22
gcc/ChangeLog:
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.h (RS6000_SAVE_AREA): Handle ABI_ELFv2.
(RS6000_SAVE_TOC): Remove.
(RS6000_TOC_SAVE_SLOT): New macro.
* config/rs6000/rs6000.c (rs6000_parm_offset): New function.
(rs6000_parm_start): Use it.
(rs6000_function_arg_advance_1): Likewise.
(rs6000_emit_prologue): Use RS6000_TOC_SAVE_SLOT.
(rs6000_emit_epilogue): Likewise.
(rs6000_call_aix): Likewise.
(rs6000_output_function_prologue): Do not save/restore r11
around calling _mcount for ABI_ELFv2.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000-protos.h (rs6000_reg_parm_stack_space):
Add prototype.
* config/rs6000/rs6000.h (RS6000_REG_SAVE): Remove.
(REG_PARM_STACK_SPACE): Call rs6000_reg_parm_stack_space.
* config/rs6000/rs6000.c (rs6000_parm_needs_stack): New function.
(rs6000_function_parms_need_stack): Likewise.
(rs6000_reg_parm_stack_space): Likewise.
(rs6000_function_arg): Do not replace BLKmode by Pmode when
returning a register argument.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Michael Gschwind <mkg@us.ibm.com>
* config/rs6000/rs6000.h (FP_ARG_MAX_RETURN): New macro.
(ALTIVEC_ARG_MAX_RETURN): Likewise.
(FUNCTION_VALUE_REGNO_P): Use them.
* config/rs6000/rs6000.c (TARGET_RETURN_IN_MSB): Define.
(rs6000_return_in_msb): New function.
(rs6000_return_in_memory): Handle ELFv2 homogeneous aggregates.
Handle aggregates of up to 16 bytes for ELFv2.
(rs6000_function_value): Handle ELFv2 homogeneous aggregates.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Michael Gschwind <mkg@us.ibm.com>
* config/rs6000/rs6000.h (AGGR_ARG_NUM_REG): Define.
* config/rs6000/rs6000.c (rs6000_aggregate_candidate): New function.
(rs6000_discover_homogeneous_aggregate): Likewise.
(rs6000_function_arg_boundary): Handle homogeneous aggregates.
(rs6000_function_arg_advance_1): Likewise.
(rs6000_function_arg): Likewise.
(rs6000_arg_partial_bytes): Likewise.
(rs6000_psave_function_arg): Handle BLKmode arguments.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Michael Gschwind <mkg@us.ibm.com>
* config/rs6000/rs6000.h (AGGR_ARG_NUM_REG): Define.
* config/rs6000/rs6000.c (rs6000_aggregate_candidate): New function.
(rs6000_discover_homogeneous_aggregate): Likewise.
(rs6000_function_arg_boundary): Handle homogeneous aggregates.
(rs6000_function_arg_advance_1): Likewise.
(rs6000_function_arg): Likewise.
(rs6000_arg_partial_bytes): Likewise.
(rs6000_psave_function_arg): Handle BLKmode arguments.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/rs6000/rs6000.c (machine_function): New member
r2_setup_needed.
(rs6000_emit_prologue): Set r2_setup_needed if necessary.
(rs6000_output_mi_thunk): Set r2_setup_needed.
(rs6000_output_function_prologue): Output global entry point
prologue and local entry point marker if needed for ABI_ELFv2.
Output -mprofile-kernel code here.
(output_function_profiler): Do not output -mprofile-kernel
code here; moved to rs6000_output_function_prologue.
(rs6000_file_start): Output ".abiversion 2" for ABI_ELFv2.
(rs6000_emit_move): Do not handle dot symbols for ABI_ELFv2.
(rs6000_output_function_entry): Likewise.
(rs6000_assemble_integer): Likewise.
(rs6000_elf_encode_section_info): Likewise.
(rs6000_elf_declare_function_name): Do not create dot symbols
or .opd section for ABI_ELFv2.
(rs6000_trampoline_size): Update for ABI_ELFv2 trampolines.
(rs6000_trampoline_init): Likewise.
(rs6000_elf_file_end): Call file_end_indicate_exec_stack
for ABI_ELFv2.
(rs6000_call_aix): Handle ELFv2 indirect calls. Do not check
for function descriptors in ABI_ELFv2.
* config/rs6000/rs6000.md ("*call_indirect_aix<mode>"): Support
on ABI_AIX only, not ABI_ELFv2.
("*call_value_indirect_aix<mode>"): Likewise.
("*call_indirect_elfv2<mode>"): New pattern.
("*call_value_indirect_elfv2<mode>"): Likewise.
* config/rs6000/predicates.md ("symbol_ref_operand"): Do not
check for function descriptors in ABI_ELFv2.
("current_file_function_operand"): Likewise.
* config/rs6000/ppc-asm.h [__powerpc64__ && _CALL_ELF == 2]:
(toc): Undefine.
(FUNC_NAME): Define ELFv2 variant.
(JUMP_TARGET): Likewise.
(FUNC_START): Likewise.
(HIDDEN_FUNC): Likewise.
(FUNC_END): Likeiwse.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config.gcc [powerpc*-*-* | rs6000-*-*]: Support --with-abi=elfv1
and --with-abi=elfv2.
* config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Add "abi".
* config/rs6000/rs6000.opt (mabi=elfv1): New option.
(mabi=elfv2): Likewise.
* config/rs6000/rs6000-opts.h (enum rs6000_abi): Add ABI_ELFv2.
* config/rs6000/linux64.h (DEFAULT_ABI): Do not hard-code to AIX_ABI
if !RS6000_BI_ARCH.
(ELFv2_ABI_CHECK): New macro.
(SUBSUBTARGET_OVERRIDE_OPTIONS): Use it to decide whether to set
rs6000_current_abi to ABI_AIX or ABI_ELFv2.
(GLIBC_DYNAMIC_LINKER64): Support ELFv2 ld.so version.
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
_CALL_ELF and __STRUCT_PARM_ALIGN__ if appropriate.
* config/rs6000/rs6000.c (rs6000_debug_reg_global): Handle ABI_ELFv2.
(debug_stack_info): Likewise.
(rs6000_file_start): Treat ABI_ELFv2 the same as ABI_AIX.
(rs6000_legitimize_tls_address): Likewise.
(rs6000_conditional_register_usage): Likewise.
(rs6000_emit_move): Likewise.
(init_cumulative_args): Likewise.
(rs6000_function_arg_advance_1): Likewise.
(rs6000_function_arg): Likewise.
(rs6000_arg_partial_bytes): Likewise.
(rs6000_output_function_entry): Likewise.
(rs6000_assemble_integer): Likewise.
(rs6000_savres_strategy): Likewise.
(rs6000_stack_info): Likewise.
(rs6000_function_ok_for_sibcall): Likewise.
(rs6000_emit_load_toc_table): Likewise.
(rs6000_savres_routine_name): Likewise.
(ptr_regno_for_savres): Likewise.
(rs6000_emit_prologue): Likewise.
(rs6000_emit_epilogue): Likewise.
(rs6000_output_function_epilogue): Likewise.
(output_profile_hook): Likewise.
(output_function_profiler): Likewise.
(rs6000_trampoline_size): Likewise.
(rs6000_trampoline_init): Likewise.
(rs6000_elf_output_toc_section_asm_op): Likewise.
(rs6000_elf_encode_section_info): Likewise.
(rs6000_elf_reloc_rw_mask): Likewise.
(rs6000_elf_declare_function_name): Likewise.
(rs6000_function_arg_boundary): Treat ABI_ELFv2 the same as ABI_AIX,
except that rs6000_compat_align_parm is always assumed false.
(rs6000_gimplify_va_arg): Likewise.
(rs6000_call_aix): Update comment.
(rs6000_sibcall_aix): Likewise.
* config/rs6000/rs6000.md ("tls_gd_aix<TLSmode:tls_abi_suffix>"):
Treat ABI_ELFv2 the same as ABI_AIX.
("*tls_gd_call_aix<TLSmode:tls_abi_suffix>"): Likewise.
("tls_ld_aix<TLSmode:tls_abi_suffix>"): Likewise.
("*tls_ld_call_aix<TLSmode:tls_abi_suffix>"): Likewise.
("load_toc_aix_si"): Likewise.
("load_toc_aix_di"): Likewise.
("call"): Likewise.
("call_value"): Likewise.
("*call_local_aix<mode>"): Likewise.
("*call_value_local_aix<mode>"): Likewise.
("*call_nonlocal_aix<mode>"): Likewise.
("*call_value_nonlocal_aix<mode>"): Likewise.
("*call_indirect_aix<mode>"): Likewise.
("*call_value_indirect_aix<mode>"): Likewise.
("sibcall"): Likewise.
("sibcall_value"): Likewise.
("*sibcall_aix<mode>"): Likewise.
("*sibcall_value_aix<mode>"): Likewise.
* config/rs6000/predicates.md ("symbol_ref_operand"): Likewise.
("current_file_function_operand"): Likewise.
gcc/testsuite/ChangeLog:
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* gcc.target/powerpc/ppc64-abi-1.c (stack_frame_t): Remove
compiler and linker field if _CALL_ELF == 2.
* gcc.target/powerpc/ppc64-abi-2.c (stack_frame_t): Likewise.
* gcc.target/powerpc/ppc64-abi-dfp-1.c (stack_frame_t): Likewise.
* gcc.dg/stack-usage-1.c (SIZE): Update value for _CALL_ELF == 2.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* gcc.target/powerpc/ppc64-abi-dfp-1.c (FUNC_START): New macro.
(WRAPPER): Use it.
* gcc.target/powerpc/no-r11-1.c: Skip on powerpc_elfv2.
* gcc.target/powerpc/no-r11-2.c: Skip on powerpc_elfv2.
* gcc.target/powerpc/no-r11-3.c: Skip on powerpc_elfv2.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* lib/target-supports.exp (check_effective_target_powerpc_elfv2):
New function.
* gcc.target/powerpc/pr57949-1.c: Disable for powerpc_elfv2.
* gcc.target/powerpc/pr57949-2.c: Likewise.
libgcc/ChangeLog:
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Alan Modra <amodra@gmail.com>
* config/rs6000/linux-unwind.h (TOC_SAVE_SLOT): Define.
(frob_update_context): Use it.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Alan Modra <amodra@gmail.com>
* config/rs6000/tramp.S [__powerpc64__ && _CALL_ELF == 2]:
(trampoline_initial): Provide ELFv2 variant.
(__trampoline_setup): Likewise.
* config/rs6000/linux-unwind.h (frob_update_context): Do not
check for AIX indirect function call sequence if _CALL_ELF == 2.
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
Alan Modra <amodra@gmail.com>
* config/rs6000/linux-unwind.h (get_regs): Do not support
old kernel versions if _CALL_ELF == 2.
(frob_update_context): Do not support PLT stub variants only
generated by old linkers if _CALL_ELF == 2.
libitm/ChangeLog:
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/powerpc/sjlj.S [__powerpc64__ && _CALL_ELF == 2]:
(FUNC): Define ELFv2 variant.
(END): Likewise.
(HIDDEN): Likewise.
(CALL): Likewise.
(BASE): Likewise.
(LR_SAVE): Likewise.
libstdc++/ChangeLog:
2013-11-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* scripts/extract_symvers.in: Ignore <localentry: > fields
in readelf --symbols output.
Co-Authored-By: Alan Modra <amodra@gmail.com>
Co-Authored-By: Michael Gschwind <mkg@us.ibm.com>
From-SVN: r204808
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