| /* Definitions of target machine for GNU compiler, NetBSD/arm ELF version. |
| Copyright (C) 2002-2022 Free Software Foundation, Inc. |
| Contributed by Wasabi Systems, Inc. |
| |
| This file is part of GCC. |
| |
| GCC 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. |
| |
| GCC 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. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Run-time Target Specification. */ |
| #undef MULTILIB_DEFAULTS |
| #define MULTILIB_DEFAULTS { "mabi=aapcs-linux" } |
| |
| #define TARGET_LINKER_EABI_SUFFIX_SOFT \ |
| "%{!mabi=apcs-gnu:%{!mabi=atpcs:%{mfloat-abi=hard:_eabihf;:_eabi}}}" |
| #define TARGET_LINKER_EABI_SUFFIX_HARD \ |
| "%{!mabi=apcs-gnu:%{!mabi=atpcs:%{mfloat-abi=soft:_eabi;:_eabihf}}}" |
| |
| #define TARGET_LINKER_EABI_SUFFIX \ |
| (TARGET_DEFAULT_FLOAT_ABI == ARM_FLOAT_ABI_SOFT \ |
| ? TARGET_LINKER_EABI_SUFFIX_SOFT \ |
| : TARGET_LINKER_EABI_SUFFIX_HARD) |
| |
| #define TARGET_LINKER_BIG_EMULATION "armelfb_nbsd%(linker_eabi_suffix)" |
| #define TARGET_LINKER_LITTLE_EMULATION "armelf_nbsd%(linker_eabi_suffix)" |
| |
| /* TARGET_BIG_ENDIAN_DEFAULT is set in |
| config.gcc for big endian configurations. */ |
| #undef TARGET_LINKER_EMULATION |
| #if TARGET_BIG_ENDIAN_DEFAULT |
| #define TARGET_LINKER_EMULATION TARGET_LINKER_BIG_EMULATION |
| #else |
| #define TARGET_LINKER_EMULATION TARGET_LINKER_LITTLE_EMULATION |
| #endif |
| |
| #undef ARM_DEFAULT_ABI |
| #define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX |
| |
| #undef ARM_UNWIND_INFO |
| #define ARM_UNWIND_INFO 0 |
| #undef DWARF2_UNWIND_INFO |
| #define DWARF2_UNWIND_INFO 1 |
| |
| #undef TARGET_OS_CPP_BUILTINS |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| if (TARGET_AAPCS_BASED) \ |
| TARGET_BPABI_CPP_BUILTINS(); \ |
| NETBSD_OS_CPP_BUILTINS_ELF(); \ |
| if (DWARF2_UNWIND_INFO) \ |
| builtin_define ("__ARM_DWARF_EH__"); \ |
| } \ |
| while (0) |
| |
| #undef SUBTARGET_CPP_SPEC |
| #define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC |
| |
| /* |
| * Override AAPCS types to remain compatible the existing NetBSD types. |
| */ |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| |
| #undef SIZE_TYPE |
| #define SIZE_TYPE "long unsigned int" |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "long int" |
| |
| #undef SUBTARGET_EXTRA_ASM_SPEC |
| #define SUBTARGET_EXTRA_ASM_SPEC \ |
| "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu} " \ |
| "%{fpic|fpie:-k} " \ |
| "%{fPIC|fPIE:-k}" |
| |
| #undef SUBTARGET_EXTRA_SPECS |
| #define SUBTARGET_EXTRA_SPECS \ |
| { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \ |
| { "linker_eabi_suffix", TARGET_LINKER_EABI_SUFFIX }, \ |
| { "linker_emulation", TARGET_LINKER_EMULATION }, \ |
| { "linker_big_emulation", TARGET_LINKER_BIG_EMULATION }, \ |
| { "linker_little_emulation", TARGET_LINKER_LITTLE_EMULATION }, \ |
| { "target_fix_v4bx_spec", TARGET_FIX_V4BX_SPEC }, \ |
| NETBSD_SUBTARGET_EXTRA_SPECS |
| |
| #define NETBSD_ENTRY_POINT "__start" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC \ |
| "-X %{mbig-endian:-EB -m %(linker_big_emulation)} " \ |
| "%{mlittle-endian:-EL -m %(linker_liitle_emulation)} " \ |
| "%{!mbig-endian:%{!mlittle-endian:-m %(linker_emulation)}} " \ |
| "%(target_fix_v4bx_spec) %(netbsd_link_spec)" |