From b54214fe22107618e7dd7c6abd3bff9526fcb3e5 Mon Sep 17 00:00:00 2001 From: Ulrich Weigand Date: Thu, 14 Nov 2013 18:50:48 +0000 Subject: rs6000.h (RS6000_SAVE_AREA): Handle ABI_ELFv2. gcc/ChangeLog: 2013-11-14 Ulrich Weigand Alan Modra * 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 Alan Modra * 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 Michael Gschwind * 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 Michael Gschwind * 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 Michael Gschwind * 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 * 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"): Support on ABI_AIX only, not ABI_ELFv2. ("*call_value_indirect_aix"): Likewise. ("*call_indirect_elfv2"): New pattern. ("*call_value_indirect_elfv2"): 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 * 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"): Treat ABI_ELFv2 the same as ABI_AIX. ("*tls_gd_call_aix"): Likewise. ("tls_ld_aix"): Likewise. ("*tls_ld_call_aix"): Likewise. ("load_toc_aix_si"): Likewise. ("load_toc_aix_di"): Likewise. ("call"): Likewise. ("call_value"): Likewise. ("*call_local_aix"): Likewise. ("*call_value_local_aix"): Likewise. ("*call_nonlocal_aix"): Likewise. ("*call_value_nonlocal_aix"): Likewise. ("*call_indirect_aix"): Likewise. ("*call_value_indirect_aix"): Likewise. ("sibcall"): Likewise. ("sibcall_value"): Likewise. ("*sibcall_aix"): Likewise. ("*sibcall_value_aix"): Likewise. * config/rs6000/predicates.md ("symbol_ref_operand"): Likewise. ("current_file_function_operand"): Likewise. gcc/testsuite/ChangeLog: 2013-11-14 Ulrich Weigand * 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 * 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 * 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 Alan Modra * config/rs6000/linux-unwind.h (TOC_SAVE_SLOT): Define. (frob_update_context): Use it. 2013-11-14 Ulrich Weigand Alan Modra * 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 Alan Modra * 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 * 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 * scripts/extract_symvers.in: Ignore fields in readelf --symbols output. Co-Authored-By: Alan Modra Co-Authored-By: Michael Gschwind From-SVN: r204808 --- gcc/config.gcc | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'gcc/config.gcc') diff --git a/gcc/config.gcc b/gcc/config.gcc index 6c62a64..fafa8b8 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -3805,7 +3805,7 @@ case "${target}" in ;; powerpc*-*-* | rs6000-*-*) - supported_defaults="cpu cpu_32 cpu_64 float tune tune_32 tune_64" + supported_defaults="abi cpu cpu_32 cpu_64 float tune tune_32 tune_64" for which in cpu cpu_32 cpu_64 tune tune_32 tune_64; do eval "val=\$with_$which" @@ -3842,6 +3842,16 @@ case "${target}" in ;; esac done + + case "$with_abi" in + "" | elfv1 | elfv2 ) + #OK + ;; + *) + echo "Unknown ABI used in --with-abi=$with_abi" + exit 1 + ;; + esac ;; s390*-*-*) -- cgit v1.1