1  /* Definitions of target machine for GNU compiler.  ARM on semi-hosted platform
       2     Copyright (C) 1994-2023 Free Software Foundation, Inc.
       3     Contributed by Richard Earnshaw (richard.earnshaw@arm.com)
       4  
       5     This file is part of GCC.
       6  
       7     GCC is free software; you can redistribute it and/or modify it
       8     under the terms of the GNU General Public License as published
       9     by the Free Software Foundation; either version 3, or (at your
      10     option) any later version.
      11  
      12     GCC is distributed in the hope that it will be useful, but WITHOUT
      13     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
      14     or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
      15     License for more details.
      16  
      17     You should have received a copy of the GNU General Public License
      18     along with GCC; see the file COPYING3.  If not see
      19     <http://www.gnu.org/licenses/>.  */
      20  
      21  #define STARTFILE_SPEC  "crt0.o%s"
      22  
      23  #ifndef LIB_SPEC
      24  #define LIB_SPEC "-lc"
      25  #endif
      26  
      27  #ifndef SUBTARGET_CPP_SPEC
      28  #define SUBTARGET_CPP_SPEC "-D__semi__"
      29  #endif
      30  
      31  #ifndef LINK_SPEC
      32  #define LINK_SPEC "%{mbig-endian:-EB} -X"
      33  #endif
      34  
      35  #ifndef TARGET_DEFAULT_FLOAT_ABI
      36  #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
      37  #endif
      38  
      39  #ifndef TARGET_DEFAULT
      40  #define TARGET_DEFAULT (MASK_APCS_FRAME)
      41  #endif
      42  
      43  #ifndef SUBTARGET_EXTRA_SPECS
      44  #define SUBTARGET_EXTRA_SPECS \
      45    { "subtarget_extra_asm_spec",	SUBTARGET_EXTRA_ASM_SPEC },
      46  #endif
      47  
      48  #ifndef SUBTARGET_EXTRA_ASM_SPEC
      49  #define SUBTARGET_EXTRA_ASM_SPEC ""
      50  #endif
      51  
      52  /* The compiler supports PIC code generation, even though the binutils
      53     may not.  If we are asked to compile position independent code, we
      54     always pass -k to the assembler.  If it doesn't recognize it, then
      55     it will barf, which probably means that it doesn't know how to
      56     assemble PIC code.  This is what we want, since otherwise tools
      57     may incorrectly assume we support PIC compilation even if the
      58     binutils can't.  */
      59  #ifndef ASM_SPEC
      60  #define ASM_SPEC "\
      61  %{" FPIE_OR_FPIC_SPEC ": -k} \
      62  %{mbig-endian:-EB} \
      63  %(arm_cpu_spec) \
      64  %{mapcs-float:-mfloat} \
      65  %{mfloat-abi=*} %{mfpu=*} \
      66  %{mthumb-interwork:-mthumb-interwork} \
      67  %(subtarget_extra_asm_spec)"
      68  #endif