gcc/libgcc/config/rs6000/crtdbase.S

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config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts. libgcc/ * config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts. * config/rs6000/crtdbase.S: New file. * config/rs6000/t-aix-cxa: Build crtdbase.o. gcc/ * defaults.h (EH_FRAME_SECTION_NAME): Depend on EH_FRAME_THROUGH_COLLECT2. * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add case for DW_EH_PE_datarel. * dwarf2out.c (switch_to_eh_frame_section): Use a read-only section even if EH_FRAME_SECTION_NAME is undefined. Restrict special collect2 labels to EH_FRAME_THROUGH_COLLECT2. * except.c (switch_to_exception_section): Use a read-only section even if EH_FRAME_SECTION_NAME is undefined. * system.h (EH_FRAME_IN_DATA_SECTION): Poison. * collect2.c (write_c_file_stat): Provide dbase on AIX. (scan_prog_file): Don't export __dso_handle nor __gcc_unwind_dbase. * config/rs6000/aix.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. (EH_TABLES_CAN_BE_READ_ONLY): Define. (ASM_OUTPUT_DWARF_PCREL): Define. (ASM_OUTPUT_DWARF_DATAREL): Define. (EH_FRAME_THROUGH_COLLECT2): Define. (EH_FRAME_IN_DATA_SECTION): Delete. * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_pcrel): New. (rs6000_aix_asm_output_dwarf_datarel): New. (rs6000_xcoff_asm_init_sections): Don't set exception_section. * config/spu/spu-elf.h (EH_FRAME_IN_DATA_SECTION): Delete. (EH_FRAME_THROUGH_COLLECT2): Define. * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Delete. (EH_FRAME_THROUGH_COLLECT2): Define. (EH_TABLES_CAN_BE_READ_ONLY): Define. * doc/tm.texi.in (EH_FRAME_IN_DATA_SECTION): Delete. (EH_FRAME_THROUGH_COLLECT2): New. (ASM_OUTPUT_DWARF_DATAREL): New. * doc/tm.texi: Regenerate. Co-Authored-By: David Edelsohn <dje.gcc@gmail.com> From-SVN: r227906
2015-09-18 16:10:36 +02:00
/* Defines __gcc_unwind_dbase
Copyright (C) 2014-2018 Free Software Foundation, Inc.
config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts. libgcc/ * config.host (powerpc-ibm-aix*): Add crtdbase.o to extra_parts. * config/rs6000/crtdbase.S: New file. * config/rs6000/t-aix-cxa: Build crtdbase.o. gcc/ * defaults.h (EH_FRAME_SECTION_NAME): Depend on EH_FRAME_THROUGH_COLLECT2. * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add case for DW_EH_PE_datarel. * dwarf2out.c (switch_to_eh_frame_section): Use a read-only section even if EH_FRAME_SECTION_NAME is undefined. Restrict special collect2 labels to EH_FRAME_THROUGH_COLLECT2. * except.c (switch_to_exception_section): Use a read-only section even if EH_FRAME_SECTION_NAME is undefined. * system.h (EH_FRAME_IN_DATA_SECTION): Poison. * collect2.c (write_c_file_stat): Provide dbase on AIX. (scan_prog_file): Don't export __dso_handle nor __gcc_unwind_dbase. * config/rs6000/aix.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. (EH_TABLES_CAN_BE_READ_ONLY): Define. (ASM_OUTPUT_DWARF_PCREL): Define. (ASM_OUTPUT_DWARF_DATAREL): Define. (EH_FRAME_THROUGH_COLLECT2): Define. (EH_FRAME_IN_DATA_SECTION): Delete. * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_pcrel): New. (rs6000_aix_asm_output_dwarf_datarel): New. (rs6000_xcoff_asm_init_sections): Don't set exception_section. * config/spu/spu-elf.h (EH_FRAME_IN_DATA_SECTION): Delete. (EH_FRAME_THROUGH_COLLECT2): Define. * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Delete. (EH_FRAME_THROUGH_COLLECT2): Define. (EH_TABLES_CAN_BE_READ_ONLY): Define. * doc/tm.texi.in (EH_FRAME_IN_DATA_SECTION): Delete. (EH_FRAME_THROUGH_COLLECT2): New. (ASM_OUTPUT_DWARF_DATAREL): New. * doc/tm.texi: Regenerate. Co-Authored-By: David Edelsohn <dje.gcc@gmail.com> From-SVN: r227906
2015-09-18 16:10:36 +02:00
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* Symbol used as an arbitrary base for offsets inside the data
* segment for unwind information. */
.file "crtdbase.S"
.globl __gcc_unwind_dbase
.csect __gcc_unwind_dbase[RW],2
.align 2
__gcc_unwind_dbase:
.long 0