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/* Target macros for arc*-elf targets.
Copyright (C) 2017-2018 Free Software Foundation, 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/>. */
#undef DWARF2_UNWIND_INFO
#define DWARF2_UNWIND_INFO 0
#undef LINK_SPEC
#define LINK_SPEC "%{mbig-endian:-EB} %{EB} %{EL}"
#define ARC_TLS_EXTRA_START_SPEC "crttls.o%s"
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "arc_tls_extra_start_spec", ARC_TLS_EXTRA_START_SPEC }, \
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{pg|p:gcrt0.o%s}%{!pg:%{!p:crt0.o%s}} crti%O%s " \
"%(arc_tls_extra_start_spec) crtbegin.o%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s crtn%O%s"
/* Leave the linker script to choose the appropriate libraries. */
#undef LIB_SPEC
#define LIB_SPEC ""
/* SDATA default for elf. */
#undef TARGET_SDATA_DEFAULT
#define TARGET_SDATA_DEFAULT 1
/* We no medium calls. */
#undef TARGET_MMEDIUM_CALLS_DEFAULT
#define TARGET_MMEDIUM_CALLS_DEFAULT 0
#ifdef ARC_MULTILIB_CPU_DEFAULT
# ifndef MULTILIB_DEFAULTS
# define MULTILIB_DEFAULTS { "mcpu=" ARC_MULTILIB_CPU_DEFAULT }
# endif
#endif
/* Bare-metal toolchains do not need a thread pointer register. */
#undef TARGET_ARC_TP_REGNO_DEFAULT
#define TARGET_ARC_TP_REGNO_DEFAULT -1
/* Indexed loads are default. */
#undef TARGET_INDEXED_LOADS_DEFAULT
#define TARGET_INDEXED_LOADS_DEFAULT 1
/* Pre/post modify with register displacement are default. */
#undef TARGET_AUTO_MODIFY_REG_DEFAULT
#define TARGET_AUTO_MODIFY_REG_DEFAULT 1
/* Build attribute: procedure call standard. */
#undef ATTRIBUTE_PCS
#define ATTRIBUTE_PCS 2
#undef TARGET_ASM_FILE_END
#define TARGET_ASM_FILE_END arc_file_end
/* If no specs file is enforced, default to nosys libarary. */
#undef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC \
"--start-group %G %{!specs=*:%{!nolibc:-lc -lnosys}} --end-group"
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