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/* 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)"
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