gcc/config/pa/pa-netbsd.h

   1 /* Definitions for PA_RISC with ELF format
   2    Copyright (C) 1999-2021 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
  21 #undef TARGET_OS_CPP_BUILTINS
  22 #define TARGET_OS_CPP_BUILTINS()                \
  23   do                                            \
  24     {                                           \
  25         NETBSD_OS_CPP_BUILTINS_ELF();   \
  26         builtin_assert ("machine=bigendian");   \
  27     }                                           \
  28   while (0)
  29
  30 #undef CPP_SPEC
  31 #define CPP_SPEC NETBSD_CPP_SPEC
  32
  33 #undef ASM_SPEC
  34 #define ASM_SPEC \
  35   "%{v:-V} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
  36
  37 #undef EXTRA_SPECS
  38 #define EXTRA_SPECS NETBSD_SUBTARGET_EXTRA_SPECS
  39 #undef SUBTARGET_EXTRA_SPECS
  40
  41 #define NETBSD_ENTRY_POINT "__start"
  42
  43 #undef LINK_SPEC
  44 #define LINK_SPEC NETBSD_LINK_SPEC_ELF
  45
  46 /* NetBSD profiling functions don't need gcc to allocate counters.  */
  47 #define NO_DEFERRED_PROFILE_COUNTERS 1
  48
  49 /* Define the strings used for the special svr4 .type and .size directives.
  50    These strings generally do not vary from one system running svr4 to
  51    another, but if a given system (e.g. m88k running svr) needs to use
  52    different pseudo-op names for these, they may be overridden in the
  53    file which includes this one.  */
  54
  55 #undef STRING_ASM_OP
  56 #define STRING_ASM_OP   "\t.stringz\t"
  57
  58 #define TEXT_SECTION_ASM_OP "\t.text"
  59 #define DATA_SECTION_ASM_OP "\t.data"
  60 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
  61
  62 #define TARGET_ASM_FILE_START pa_linux_file_start
  63
  64 /* We want local labels to start with period if made with asm_fprintf.  */
  65 #undef LOCAL_LABEL_PREFIX
  66 #define LOCAL_LABEL_PREFIX "."
  67
  68 /* Define these to generate the Linux/ELF/SysV style of internal
  69    labels all the time - i.e. to be compatible with
  70    ASM_GENERATE_INTERNAL_LABEL in <elfos.h>.  Compare these with the
  71    ones in pa.h and note the lack of dollar signs in these.  FIXME:
  72    shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
  73
  74 #undef ASM_OUTPUT_ADDR_VEC_ELT
  75 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
  76   fprintf (FILE, "\t.word .L%d\n", VALUE)
  77
  78 #undef ASM_OUTPUT_ADDR_DIFF_ELT
  79 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
  80   fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL)
  81
  82 /* Use the default.  */
  83 #undef ASM_OUTPUT_LABEL
  84
  85 /* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and
  86    does what we want (i.e. uses colons).  It must be compatible with
  87    ASM_GENERATE_INTERNAL_LABEL(), so do not define it here.  */
  88
  89 /* Use the default.  */
  90 #undef ASM_OUTPUT_INTERNAL_LABEL
  91
  92 /* Use the default.  */
  93 #undef TARGET_ASM_GLOBALIZE_LABEL
  94 /* Globalizing directive for a label.  */
  95 #define GLOBAL_ASM_OP ".globl "
  96
  97 /* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
  98    labels in a function declaration (since pa.c seems determined to do
  99    it differently)  */
 100
 101 #undef ASM_DECLARE_FUNCTION_NAME
 102 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)             \
 103   do                                                            \
 104     {                                                           \
 105       ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");       \
 106       ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));            \
 107     }                                                           \
 108   while (0)
 109
 110 /* As well as globalizing the label, we need to encode the label
 111    to ensure a plabel is generated in an indirect call.  */
 112
 113 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
 114 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)                  \
 115   do                                                            \
 116     {                                                           \
 117       if (!FUNCTION_NAME_P (XSTR (FUN, 0)))                     \
 118         pa_encode_label (FUN);                                  \
 119       (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \
 120     }                                                           \
 121   while (0)
 122
 123 /* NetBSD always uses gas.  */
 124 #undef TARGET_GAS
 125 #define TARGET_GAS 1
 126
 127 /* Use long int for these type to make hppa64 compatibility easier.  */
 128 #undef SIZE_TYPE
 129 #define SIZE_TYPE "long unsigned int"
 130
 131 #undef PTRDIFF_TYPE
 132 #define PTRDIFF_TYPE "long int"
 133
 134 #if 0
 135 #undef TARGET_SYNC_LIBCALL
 136 #define TARGET_SYNC_LIBCALL 1
 137 #endif