1  /* Target macros for riscv*-elf targets.
       2     Copyright (C) 1994-2023 Free Software Foundation, Inc.
       3  
       4  This file is part of GCC.
       5  
       6  GCC is free software; you can redistribute it and/or modify
       7  it under the terms of the GNU General Public License as published by
       8  the Free Software Foundation; either version 3, or (at your option)
       9  any later version.
      10  
      11  GCC is distributed in the hope that it will be useful,
      12  but WITHOUT ANY WARRANTY; without even the implied warranty of
      13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14  GNU General Public License for more details.
      15  
      16  You should have received a copy of the GNU General Public License
      17  along with GCC; see the file COPYING3.  If not see
      18  <http://www.gnu.org/licenses/>.  */
      19  
      20  #define LINK_SPEC "\
      21  -melf" XLEN_SPEC DEFAULT_ENDIAN_SPEC "riscv \
      22  %{mno-relax:--no-relax} \
      23  %{mbig-endian:-EB} \
      24  %{mlittle-endian:-EL} \
      25  %{shared}"
      26  
      27  /* Link against Newlib libraries, because the ELF backend assumes Newlib.
      28     Handle the circular dependence between libc and libgloss. */
      29  #undef  LIB_SPEC
      30  #define LIB_SPEC \
      31    "--start-group -lc %{!specs=nosys.specs:-lgloss} --end-group " \
      32    "%{!nostartfiles:%{!nodefaultlibs:%{!nolibc:%{!nostdlib:%:riscv_multi_lib_check()}}}}"
      33  
      34  #undef  STARTFILE_SPEC
      35  #define STARTFILE_SPEC "crt0%O%s crtbegin%O%s"
      36  
      37  #undef  ENDFILE_SPEC
      38  #define ENDFILE_SPEC "crtend%O%s"
      39  
      40  #define RISCV_USE_CUSTOMISED_MULTI_LIB select_by_abi_arch_cmodel