gcc/config/loongarch/loongarch-driver.h

   1 /* Subroutine headers for the gcc driver.
   2    Copyright (C) 2021-2025 Free Software Foundation, Inc.
   3    Contributed by Loongson Ltd.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public 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 #ifndef LOONGARCH_DRIVER_H
  22 #define LOONGARCH_DRIVER_H
  23
  24 #include "loongarch-str.h"
  25
  26 #ifndef SUBTARGET_CPP_SPEC
  27 #define SUBTARGET_CPP_SPEC ""
  28 #endif
  29
  30 #ifndef SUBTARGET_CC1_SPEC
  31 #define SUBTARGET_CC1_SPEC ""
  32 #endif
  33
  34 #ifndef SUBTARGET_ASM_SPEC
  35 #define SUBTARGET_ASM_SPEC ""
  36 #endif
  37
  38 #define EXTRA_SPECS \
  39   {"early_self_spec", ""}, \
  40   {"subtarget_cc1_spec", SUBTARGET_CC1_SPEC}, \
  41   {"subtarget_cpp_spec", SUBTARGET_CPP_SPEC}, \
  42   {"subtarget_asm_spec", SUBTARGET_ASM_SPEC},
  43
  44
  45 #undef CPP_SPEC
  46 #define CPP_SPEC \
  47   "%(subtarget_cpp_spec)"
  48
  49 #undef CC1_SPEC
  50 #define CC1_SPEC \
  51   "%{G*} %{,ada:-gnatea %{mabi=*} -gnatez} " \
  52   "%(subtarget_cc1_spec)"
  53
  54 #if HAVE_AS_MRELAX_OPTION && HAVE_AS_COND_BRANCH_RELAXATION
  55 #define ASM_MRELAX_DEFAULT "%{!mrelax:%{!mno-relax:-mrelax}}"
  56 #else
  57 #define ASM_MRELAX_DEFAULT "%{!mrelax:%{!mno-relax:-mno-relax}}"
  58 #endif
  59
  60 #if HAVE_AS_MRELAX_OPTION
  61 #define ASM_MRELAX_SPEC \
  62   "%{!mno-pass-mrelax-to-as:%{mrelax} %{mno-relax} " ASM_MRELAX_DEFAULT "}"
  63 #else
  64 #define ASM_MRELAX_SPEC \
  65   "%{mpass-mrelax-to-as:%{mrelax} %{mno-relax} " ASM_MRELAX_DEFAULT "}"
  66 #endif
  67
  68 #undef ASM_SPEC
  69 #define ASM_SPEC \
  70   "%{mabi=*} " ASM_MRELAX_SPEC " %(subtarget_asm_spec)"
  71
  72
  73 extern const char*
  74 la_driver_init (int argc, const char **argv);
  75
  76 extern const char*
  77 driver_set_m_parm (int argc, const char **argv);
  78
  79 extern const char*
  80 driver_set_no_link (int argc, const char **argv);
  81
  82 extern const char*
  83 driver_get_normalized_m_opts (int argc, const char **argv);
  84
  85 #define EXTRA_SPEC_FUNCTIONS \
  86   { "driver_init", la_driver_init }, \
  87   { "set_m_parm", driver_set_m_parm  }, \
  88   { "set_no_link", driver_set_no_link }, \
  89   { "get_normalized_m_opts", driver_get_normalized_m_opts  },
  90
  91 /* Pre-process ABI-related options.  */
  92 #define LA_SET_PARM_SPEC(NAME) \
  93   " %{m" OPTSTR_##NAME  "=*: %:set_m_parm(" OPTSTR_##NAME " %*)}" \
  94
  95 /* For MLIB_SELF_SPECS.  */
  96 #include "loongarch-multilib.h"
  97
  98 #ifndef MLIB_SELF_SPECS
  99 #define MLIB_SELF_SPECS ""
 100 #endif
 101
 102 #define DRIVER_HANDLE_MACHINE_OPTIONS \
 103   " %(early_self_spec)", \
 104   MLIB_SELF_SPECS \
 105   " %:driver_init()" \
 106   " %{c|S|E|nostdlib: %:set_no_link()}" \
 107   " %{nostartfiles: %{nodefaultlibs: %:set_no_link()}}" \
 108   LA_SET_PARM_SPEC (ABI_BASE) \
 109   LA_SET_PARM_SPEC (ARCH) \
 110   LA_SET_PARM_SPEC (TUNE) \
 111   LA_SET_PARM_SPEC (ISA_EXT_FPU) \
 112   LA_SET_PARM_SPEC (ISA_EXT_SIMD) \
 113   LA_SET_PARM_SPEC (CMODEL) \
 114   " %:get_normalized_m_opts()"
 115
 116 #define DRIVER_SELF_SPECS \
 117   DRIVER_HANDLE_MACHINE_OPTIONS
 118
 119 /* ABI spec strings.  */
 120 #define ABI_GRLEN_SPEC \
 121   "%{mabi=lp64*:64}"   \
 122
 123 #define ABI_SPEC \
 124   "%{mabi=lp64d:lp64d}" \
 125   "%{mabi=lp64f:lp64f}" \
 126   "%{mabi=lp64s:lp64s}" \
 127
 128 #endif /* LOONGARCH_DRIVER_H */