2011-11-04 12:54:17 +01:00
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! crtn.S for SPARC
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1992-07-21 05:02:49 +02:00
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2016-01-04 15:30:50 +01:00
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! Copyright (C) 1992-2016 Free Software Foundation, Inc.
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1992-07-21 05:02:49 +02:00
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! Written By David Vinayak Henkel-Wallace, June 1992
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!
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! This file is free software; you can redistribute it and/or modify it
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! under the terms of the GNU General Public License as published by the
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2009-04-09 17:00:19 +02:00
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! Free Software Foundation; either version 3, or (at your option) any
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1992-07-21 05:02:49 +02:00
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! later version.
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!
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! This file is distributed in the hope that it will be useful, but
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! WITHOUT ANY WARRANTY; without even the implied warranty of
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! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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! General Public License for more details.
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!
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2009-04-09 17:00:19 +02:00
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! Under Section 7 of GPL version 3, you are granted additional
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! permissions described in the GCC Runtime Library Exception, version
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! 3.1, as published by the Free Software Foundation.
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!
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! You should have received a copy of the GNU General Public License and
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! a copy of the GCC Runtime Library Exception along with this program;
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! see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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! <http://www.gnu.org/licenses/>.
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1992-07-21 05:02:49 +02:00
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! This file just makes sure that the .fini and .init sections do in
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! fact return. Users may put any desired instructions in those sections.
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! This file is the last thing linked into any executable.
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.section ".init"
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.align 4
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invoke.texi (SPARC options): Add -mflat.
gcc/
* doc/invoke.texi (SPARC options): Add -mflat.
* config/sparc/sparc.opt: Likewise.
* config/sparc/sparc-protos.h (sparc_expand_epilogue): Add parameter.
(sparc_flat_expand_prologue): Declare.
(sparc_flat_expand_epilogue): Likewise.
* config/sparc/sparc.h (CPP_CPU_SPEC): Do not handle -msoft-float.
(CPP_ENDIAN_SPEC): Replace with...
(CPP_OTHER_SPEC): ...this. Also handle -mflat and -msoft-float.
(CPP_SPEC): Adjust to above change.
(EXTRA_SPECS): Likewise.
(SPARC_INCOMING_INT_ARG_FIRST): Add TARGET_FLAT handling.
(INCOMING_REGNO): Likewise.
(OUTGOING_REGNO): Likewise.
(LOCAL_REGNO): Likewise.
(SETUP_FRAME_ADDRESSES): Likewise.
(FIXED_REGISTERS): Set 0 for %fp.
(CALL_USED_REGISTERS): Likewise.
(INITIAL_ELIMINATION_OFFSET): Pass current_function_is_leaf.
(EXIT_IGNORE_STACK): Define to 1 unconditionally.
(RETURN_ADDR_REGNUM): Define.
(RETURN_ADDR_RTX): Use it.
(INCOMING_RETURN_ADDR_REGNUM): Define.
(INCOMING_RETURN_ADDR_RTX): Use it.
(DWARF_FRAME_RETURN_COLUMN): Likewise.
(EH_RETURN_REGNUM): Define.
(EH_RETURN_STACKADJ_RTX): Use it.
(EH_RETURN_HANDLER_RTX): Delete.
(EPILOGUE_USES): Use them and add TARGET_FLAT handling.
* config/sparc/sparc.c (apparent_fsize, actual_fsize, num_gfregs):
Delete.
(struct machine_function): Add frame_size, apparent_frame_size,
frame_base_reg, frame_base_offset, n_global_fp_regs and
save_local_in_regs_p fields.
(sparc_frame_size, sparc_apparent_frame_size, sparc_frame_base_reg,
sparc_frame_base_offset, sparc_n_global_fp_regs,
sparc_save_local_in_regs_p): New macros.
(sparc_option_override): Error out if -fcall-saved-REG is specified
for Out registers.
(eligible_for_restore_insn): Fix formatting.
(eligible_for_return_delay): Likewise. Add TARGET_FLAT handling.
(eligible_for_sibcall_delay): Likewise.
(RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Add MODE parameter.
(sparc_legitimate_address_p): Adjust to above change.
(save_global_or_fp_reg_p): New predicate.
(return_addr_reg_needed_p): Likewise.
(save_local_or_in_reg_p): Likewise.
(sparc_compute_frame_size): Use them. Add TARGET_FLAT handling.
(SORR_SAVE, SORR_RESTORE): Delete.
(sorr_pred_t): New typedef.
(sorr_act_t): New enum.
(save_or_restore_regs): Rename to...
(emit_save_or_restore_regs): ...this. Change type of LOW and HIGH
parameters, remove ACTION parameter, add LEAF_FUNCTION_P, SAVE_P,
ACTION_TRUE and ACTION_FALSE parameters. Implement more general
mechanism. Add CFI information for double-word saves in 32-bit mode.
(emit_adjust_base_to_offset): New function extracted from...
(emit_save_or_restore_regs): ...this. Rename the rest to...
(emit_save_or_restore_regs_global_fp_regs): ...this.
(emit_save_or_restore_regs_local_in_regs): New function.
(gen_create_flat_frame_[123]): New functions.
(sparc_expand_prologue): Use SIZE local variable. Adjust.
(sparc_flat_expand_prologue): New function.
(sparc_asm_function_prologue): Add TARGET_FLAT handling.
(sparc_expand_epilogue): Use SIZE local variable. Adjust.
(sparc_flat_expand_epilogue): New function.
(sparc_can_use_return_insn_p): Add TARGET_FLAT handling.
(output_return): Likewise.
(output_sibcall): Likewise.
(sparc_output_mi_thunk): Likewise.
(sparc_frame_pointer_required): Likewise.
(sparc_conditional_register_usage): If TARGET_FLAT, disable the leaf
function optimization.
* config/sparc/sparc.md (flat): New attribute.
(prologue): Add TARGET_FLAT handling.
(save_register_window): Disable if TARGET_FLAT.
(create_flat_frame_[123]): New patterns.
(epilogue): Add TARGET_FLAT handling.
(sibcall_epilogue): Likewise.
(eh_return): New expander.
(eh_return_internal): New insn and splitter.
(return_internal): Add TARGET_FLAT handling.
(untyped_return): Remove bogus test and use RETURN_ADDR_REGNUM.
(save_stack_nonlocal): Use RETURN_ADDR_REGNUM.
(nonlocal_goto): Add TARGET_FLAT handling.
* config/sparc/t-elf: Add -mflat multilib.
* config/sparc/t-leon: Likewise.
libgcc/
* config/sparc/linux-unwind.h (STACK_BIAS): Define.
(sparc64_fallback_frame_state): Use it.
(sparc64_frob_update_context): Further adjust context.
* config/sparc/sol2-unwind.h (sparc64_frob_update_context): Likewise.
* config/sparc/sol2-ci.S: Add TARGET_FLAT handling.
* config/sparc/sol2-cn.S: Likewise.
Co-Authored-By: Laurent Rougé <laurent.rouge@menta.fr>
From-SVN: r174897
2011-06-10 12:50:20 +02:00
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#ifdef _FLAT
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mov %i7, %o7
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#ifdef __sparcv9
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ldx [%sp+2343], %i7
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sub %sp, -176, %sp
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#else
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ld [%sp+156], %i7
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sub %sp, -96, %sp
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#endif
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#else
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1992-07-21 05:02:49 +02:00
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restore
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invoke.texi (SPARC options): Add -mflat.
gcc/
* doc/invoke.texi (SPARC options): Add -mflat.
* config/sparc/sparc.opt: Likewise.
* config/sparc/sparc-protos.h (sparc_expand_epilogue): Add parameter.
(sparc_flat_expand_prologue): Declare.
(sparc_flat_expand_epilogue): Likewise.
* config/sparc/sparc.h (CPP_CPU_SPEC): Do not handle -msoft-float.
(CPP_ENDIAN_SPEC): Replace with...
(CPP_OTHER_SPEC): ...this. Also handle -mflat and -msoft-float.
(CPP_SPEC): Adjust to above change.
(EXTRA_SPECS): Likewise.
(SPARC_INCOMING_INT_ARG_FIRST): Add TARGET_FLAT handling.
(INCOMING_REGNO): Likewise.
(OUTGOING_REGNO): Likewise.
(LOCAL_REGNO): Likewise.
(SETUP_FRAME_ADDRESSES): Likewise.
(FIXED_REGISTERS): Set 0 for %fp.
(CALL_USED_REGISTERS): Likewise.
(INITIAL_ELIMINATION_OFFSET): Pass current_function_is_leaf.
(EXIT_IGNORE_STACK): Define to 1 unconditionally.
(RETURN_ADDR_REGNUM): Define.
(RETURN_ADDR_RTX): Use it.
(INCOMING_RETURN_ADDR_REGNUM): Define.
(INCOMING_RETURN_ADDR_RTX): Use it.
(DWARF_FRAME_RETURN_COLUMN): Likewise.
(EH_RETURN_REGNUM): Define.
(EH_RETURN_STACKADJ_RTX): Use it.
(EH_RETURN_HANDLER_RTX): Delete.
(EPILOGUE_USES): Use them and add TARGET_FLAT handling.
* config/sparc/sparc.c (apparent_fsize, actual_fsize, num_gfregs):
Delete.
(struct machine_function): Add frame_size, apparent_frame_size,
frame_base_reg, frame_base_offset, n_global_fp_regs and
save_local_in_regs_p fields.
(sparc_frame_size, sparc_apparent_frame_size, sparc_frame_base_reg,
sparc_frame_base_offset, sparc_n_global_fp_regs,
sparc_save_local_in_regs_p): New macros.
(sparc_option_override): Error out if -fcall-saved-REG is specified
for Out registers.
(eligible_for_restore_insn): Fix formatting.
(eligible_for_return_delay): Likewise. Add TARGET_FLAT handling.
(eligible_for_sibcall_delay): Likewise.
(RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Add MODE parameter.
(sparc_legitimate_address_p): Adjust to above change.
(save_global_or_fp_reg_p): New predicate.
(return_addr_reg_needed_p): Likewise.
(save_local_or_in_reg_p): Likewise.
(sparc_compute_frame_size): Use them. Add TARGET_FLAT handling.
(SORR_SAVE, SORR_RESTORE): Delete.
(sorr_pred_t): New typedef.
(sorr_act_t): New enum.
(save_or_restore_regs): Rename to...
(emit_save_or_restore_regs): ...this. Change type of LOW and HIGH
parameters, remove ACTION parameter, add LEAF_FUNCTION_P, SAVE_P,
ACTION_TRUE and ACTION_FALSE parameters. Implement more general
mechanism. Add CFI information for double-word saves in 32-bit mode.
(emit_adjust_base_to_offset): New function extracted from...
(emit_save_or_restore_regs): ...this. Rename the rest to...
(emit_save_or_restore_regs_global_fp_regs): ...this.
(emit_save_or_restore_regs_local_in_regs): New function.
(gen_create_flat_frame_[123]): New functions.
(sparc_expand_prologue): Use SIZE local variable. Adjust.
(sparc_flat_expand_prologue): New function.
(sparc_asm_function_prologue): Add TARGET_FLAT handling.
(sparc_expand_epilogue): Use SIZE local variable. Adjust.
(sparc_flat_expand_epilogue): New function.
(sparc_can_use_return_insn_p): Add TARGET_FLAT handling.
(output_return): Likewise.
(output_sibcall): Likewise.
(sparc_output_mi_thunk): Likewise.
(sparc_frame_pointer_required): Likewise.
(sparc_conditional_register_usage): If TARGET_FLAT, disable the leaf
function optimization.
* config/sparc/sparc.md (flat): New attribute.
(prologue): Add TARGET_FLAT handling.
(save_register_window): Disable if TARGET_FLAT.
(create_flat_frame_[123]): New patterns.
(epilogue): Add TARGET_FLAT handling.
(sibcall_epilogue): Likewise.
(eh_return): New expander.
(eh_return_internal): New insn and splitter.
(return_internal): Add TARGET_FLAT handling.
(untyped_return): Remove bogus test and use RETURN_ADDR_REGNUM.
(save_stack_nonlocal): Use RETURN_ADDR_REGNUM.
(nonlocal_goto): Add TARGET_FLAT handling.
* config/sparc/t-elf: Add -mflat multilib.
* config/sparc/t-leon: Likewise.
libgcc/
* config/sparc/linux-unwind.h (STACK_BIAS): Define.
(sparc64_fallback_frame_state): Use it.
(sparc64_frob_update_context): Further adjust context.
* config/sparc/sol2-unwind.h (sparc64_frob_update_context): Likewise.
* config/sparc/sol2-ci.S: Add TARGET_FLAT handling.
* config/sparc/sol2-cn.S: Likewise.
Co-Authored-By: Laurent Rougé <laurent.rouge@menta.fr>
From-SVN: r174897
2011-06-10 12:50:20 +02:00
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#endif
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jmp %o7+8
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nop
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1992-07-21 05:02:49 +02:00
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.section ".fini"
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.align 4
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invoke.texi (SPARC options): Add -mflat.
gcc/
* doc/invoke.texi (SPARC options): Add -mflat.
* config/sparc/sparc.opt: Likewise.
* config/sparc/sparc-protos.h (sparc_expand_epilogue): Add parameter.
(sparc_flat_expand_prologue): Declare.
(sparc_flat_expand_epilogue): Likewise.
* config/sparc/sparc.h (CPP_CPU_SPEC): Do not handle -msoft-float.
(CPP_ENDIAN_SPEC): Replace with...
(CPP_OTHER_SPEC): ...this. Also handle -mflat and -msoft-float.
(CPP_SPEC): Adjust to above change.
(EXTRA_SPECS): Likewise.
(SPARC_INCOMING_INT_ARG_FIRST): Add TARGET_FLAT handling.
(INCOMING_REGNO): Likewise.
(OUTGOING_REGNO): Likewise.
(LOCAL_REGNO): Likewise.
(SETUP_FRAME_ADDRESSES): Likewise.
(FIXED_REGISTERS): Set 0 for %fp.
(CALL_USED_REGISTERS): Likewise.
(INITIAL_ELIMINATION_OFFSET): Pass current_function_is_leaf.
(EXIT_IGNORE_STACK): Define to 1 unconditionally.
(RETURN_ADDR_REGNUM): Define.
(RETURN_ADDR_RTX): Use it.
(INCOMING_RETURN_ADDR_REGNUM): Define.
(INCOMING_RETURN_ADDR_RTX): Use it.
(DWARF_FRAME_RETURN_COLUMN): Likewise.
(EH_RETURN_REGNUM): Define.
(EH_RETURN_STACKADJ_RTX): Use it.
(EH_RETURN_HANDLER_RTX): Delete.
(EPILOGUE_USES): Use them and add TARGET_FLAT handling.
* config/sparc/sparc.c (apparent_fsize, actual_fsize, num_gfregs):
Delete.
(struct machine_function): Add frame_size, apparent_frame_size,
frame_base_reg, frame_base_offset, n_global_fp_regs and
save_local_in_regs_p fields.
(sparc_frame_size, sparc_apparent_frame_size, sparc_frame_base_reg,
sparc_frame_base_offset, sparc_n_global_fp_regs,
sparc_save_local_in_regs_p): New macros.
(sparc_option_override): Error out if -fcall-saved-REG is specified
for Out registers.
(eligible_for_restore_insn): Fix formatting.
(eligible_for_return_delay): Likewise. Add TARGET_FLAT handling.
(eligible_for_sibcall_delay): Likewise.
(RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Add MODE parameter.
(sparc_legitimate_address_p): Adjust to above change.
(save_global_or_fp_reg_p): New predicate.
(return_addr_reg_needed_p): Likewise.
(save_local_or_in_reg_p): Likewise.
(sparc_compute_frame_size): Use them. Add TARGET_FLAT handling.
(SORR_SAVE, SORR_RESTORE): Delete.
(sorr_pred_t): New typedef.
(sorr_act_t): New enum.
(save_or_restore_regs): Rename to...
(emit_save_or_restore_regs): ...this. Change type of LOW and HIGH
parameters, remove ACTION parameter, add LEAF_FUNCTION_P, SAVE_P,
ACTION_TRUE and ACTION_FALSE parameters. Implement more general
mechanism. Add CFI information for double-word saves in 32-bit mode.
(emit_adjust_base_to_offset): New function extracted from...
(emit_save_or_restore_regs): ...this. Rename the rest to...
(emit_save_or_restore_regs_global_fp_regs): ...this.
(emit_save_or_restore_regs_local_in_regs): New function.
(gen_create_flat_frame_[123]): New functions.
(sparc_expand_prologue): Use SIZE local variable. Adjust.
(sparc_flat_expand_prologue): New function.
(sparc_asm_function_prologue): Add TARGET_FLAT handling.
(sparc_expand_epilogue): Use SIZE local variable. Adjust.
(sparc_flat_expand_epilogue): New function.
(sparc_can_use_return_insn_p): Add TARGET_FLAT handling.
(output_return): Likewise.
(output_sibcall): Likewise.
(sparc_output_mi_thunk): Likewise.
(sparc_frame_pointer_required): Likewise.
(sparc_conditional_register_usage): If TARGET_FLAT, disable the leaf
function optimization.
* config/sparc/sparc.md (flat): New attribute.
(prologue): Add TARGET_FLAT handling.
(save_register_window): Disable if TARGET_FLAT.
(create_flat_frame_[123]): New patterns.
(epilogue): Add TARGET_FLAT handling.
(sibcall_epilogue): Likewise.
(eh_return): New expander.
(eh_return_internal): New insn and splitter.
(return_internal): Add TARGET_FLAT handling.
(untyped_return): Remove bogus test and use RETURN_ADDR_REGNUM.
(save_stack_nonlocal): Use RETURN_ADDR_REGNUM.
(nonlocal_goto): Add TARGET_FLAT handling.
* config/sparc/t-elf: Add -mflat multilib.
* config/sparc/t-leon: Likewise.
libgcc/
* config/sparc/linux-unwind.h (STACK_BIAS): Define.
(sparc64_fallback_frame_state): Use it.
(sparc64_frob_update_context): Further adjust context.
* config/sparc/sol2-unwind.h (sparc64_frob_update_context): Likewise.
* config/sparc/sol2-ci.S: Add TARGET_FLAT handling.
* config/sparc/sol2-cn.S: Likewise.
Co-Authored-By: Laurent Rougé <laurent.rouge@menta.fr>
From-SVN: r174897
2011-06-10 12:50:20 +02:00
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#ifdef _FLAT
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mov %i7, %o7
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#ifdef __sparcv9
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ldx [%sp+2343], %i7
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sub %sp, -176, %sp
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#else
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ld [%sp+156], %i7
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sub %sp, -96, %sp
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#endif
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#else
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1992-07-21 05:02:49 +02:00
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restore
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invoke.texi (SPARC options): Add -mflat.
gcc/
* doc/invoke.texi (SPARC options): Add -mflat.
* config/sparc/sparc.opt: Likewise.
* config/sparc/sparc-protos.h (sparc_expand_epilogue): Add parameter.
(sparc_flat_expand_prologue): Declare.
(sparc_flat_expand_epilogue): Likewise.
* config/sparc/sparc.h (CPP_CPU_SPEC): Do not handle -msoft-float.
(CPP_ENDIAN_SPEC): Replace with...
(CPP_OTHER_SPEC): ...this. Also handle -mflat and -msoft-float.
(CPP_SPEC): Adjust to above change.
(EXTRA_SPECS): Likewise.
(SPARC_INCOMING_INT_ARG_FIRST): Add TARGET_FLAT handling.
(INCOMING_REGNO): Likewise.
(OUTGOING_REGNO): Likewise.
(LOCAL_REGNO): Likewise.
(SETUP_FRAME_ADDRESSES): Likewise.
(FIXED_REGISTERS): Set 0 for %fp.
(CALL_USED_REGISTERS): Likewise.
(INITIAL_ELIMINATION_OFFSET): Pass current_function_is_leaf.
(EXIT_IGNORE_STACK): Define to 1 unconditionally.
(RETURN_ADDR_REGNUM): Define.
(RETURN_ADDR_RTX): Use it.
(INCOMING_RETURN_ADDR_REGNUM): Define.
(INCOMING_RETURN_ADDR_RTX): Use it.
(DWARF_FRAME_RETURN_COLUMN): Likewise.
(EH_RETURN_REGNUM): Define.
(EH_RETURN_STACKADJ_RTX): Use it.
(EH_RETURN_HANDLER_RTX): Delete.
(EPILOGUE_USES): Use them and add TARGET_FLAT handling.
* config/sparc/sparc.c (apparent_fsize, actual_fsize, num_gfregs):
Delete.
(struct machine_function): Add frame_size, apparent_frame_size,
frame_base_reg, frame_base_offset, n_global_fp_regs and
save_local_in_regs_p fields.
(sparc_frame_size, sparc_apparent_frame_size, sparc_frame_base_reg,
sparc_frame_base_offset, sparc_n_global_fp_regs,
sparc_save_local_in_regs_p): New macros.
(sparc_option_override): Error out if -fcall-saved-REG is specified
for Out registers.
(eligible_for_restore_insn): Fix formatting.
(eligible_for_return_delay): Likewise. Add TARGET_FLAT handling.
(eligible_for_sibcall_delay): Likewise.
(RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Add MODE parameter.
(sparc_legitimate_address_p): Adjust to above change.
(save_global_or_fp_reg_p): New predicate.
(return_addr_reg_needed_p): Likewise.
(save_local_or_in_reg_p): Likewise.
(sparc_compute_frame_size): Use them. Add TARGET_FLAT handling.
(SORR_SAVE, SORR_RESTORE): Delete.
(sorr_pred_t): New typedef.
(sorr_act_t): New enum.
(save_or_restore_regs): Rename to...
(emit_save_or_restore_regs): ...this. Change type of LOW and HIGH
parameters, remove ACTION parameter, add LEAF_FUNCTION_P, SAVE_P,
ACTION_TRUE and ACTION_FALSE parameters. Implement more general
mechanism. Add CFI information for double-word saves in 32-bit mode.
(emit_adjust_base_to_offset): New function extracted from...
(emit_save_or_restore_regs): ...this. Rename the rest to...
(emit_save_or_restore_regs_global_fp_regs): ...this.
(emit_save_or_restore_regs_local_in_regs): New function.
(gen_create_flat_frame_[123]): New functions.
(sparc_expand_prologue): Use SIZE local variable. Adjust.
(sparc_flat_expand_prologue): New function.
(sparc_asm_function_prologue): Add TARGET_FLAT handling.
(sparc_expand_epilogue): Use SIZE local variable. Adjust.
(sparc_flat_expand_epilogue): New function.
(sparc_can_use_return_insn_p): Add TARGET_FLAT handling.
(output_return): Likewise.
(output_sibcall): Likewise.
(sparc_output_mi_thunk): Likewise.
(sparc_frame_pointer_required): Likewise.
(sparc_conditional_register_usage): If TARGET_FLAT, disable the leaf
function optimization.
* config/sparc/sparc.md (flat): New attribute.
(prologue): Add TARGET_FLAT handling.
(save_register_window): Disable if TARGET_FLAT.
(create_flat_frame_[123]): New patterns.
(epilogue): Add TARGET_FLAT handling.
(sibcall_epilogue): Likewise.
(eh_return): New expander.
(eh_return_internal): New insn and splitter.
(return_internal): Add TARGET_FLAT handling.
(untyped_return): Remove bogus test and use RETURN_ADDR_REGNUM.
(save_stack_nonlocal): Use RETURN_ADDR_REGNUM.
(nonlocal_goto): Add TARGET_FLAT handling.
* config/sparc/t-elf: Add -mflat multilib.
* config/sparc/t-leon: Likewise.
libgcc/
* config/sparc/linux-unwind.h (STACK_BIAS): Define.
(sparc64_fallback_frame_state): Use it.
(sparc64_frob_update_context): Further adjust context.
* config/sparc/sol2-unwind.h (sparc64_frob_update_context): Likewise.
* config/sparc/sol2-ci.S: Add TARGET_FLAT handling.
* config/sparc/sol2-cn.S: Likewise.
Co-Authored-By: Laurent Rougé <laurent.rouge@menta.fr>
From-SVN: r174897
2011-06-10 12:50:20 +02:00
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#endif
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jmp %o7+8
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nop
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1992-07-21 05:02:49 +02:00
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1998-09-09 04:43:28 +02:00
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! Th-th-th-that is all folks!
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