LCOV - code coverage report
Current view: top level - gcc - cppbuiltin.c (source / functions) Hit Total Coverage
Test: gcc.info Lines: 84 86 97.7 %
Date: 2020-03-28 11:57:23 Functions: 6 6 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* Define builtin-in macros for all front ends that perform preprocessing
       2                 :            :    Copyright (C) 2010-2020 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 it under
       7                 :            : the terms of the GNU General Public License as published by the Free
       8                 :            : Software Foundation; either version 3, or (at your option) any later
       9                 :            : version.
      10                 :            : 
      11                 :            : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12                 :            : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13                 :            : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14                 :            : 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                 :            : #include "config.h"
      21                 :            : #include "system.h"
      22                 :            : #include "coretypes.h"
      23                 :            : #include "memmodel.h"
      24                 :            : #include "target.h"
      25                 :            : #include "tree.h"
      26                 :            : #include "version.h"
      27                 :            : #include "flags.h"
      28                 :            : #include "cpplib.h"
      29                 :            : #include "cppbuiltin.h"
      30                 :            : 
      31                 :            : 
      32                 :            : /* Parse a BASEVER version string of the format "major.minor.patchlevel"
      33                 :            :    or "major.minor" to extract its components.  */
      34                 :            : void
      35                 :     235783 : parse_basever (int *major, int *minor, int *patchlevel)
      36                 :            : {
      37                 :     235783 :   static int s_major = -1, s_minor, s_patchlevel;
      38                 :            : 
      39                 :     235783 :   if (s_major == -1)
      40                 :     157608 :     if (sscanf (BASEVER, "%d.%d.%d", &s_major, &s_minor, &s_patchlevel) != 3)
      41                 :            :       {
      42                 :          0 :         sscanf (BASEVER, "%d.%d", &s_major, &s_minor);
      43                 :          0 :         s_patchlevel = 0;
      44                 :            :       }
      45                 :            : 
      46                 :     235783 :   if (major)
      47                 :     235783 :     *major = s_major;
      48                 :            : 
      49                 :     235783 :   if (minor)
      50                 :     157608 :     *minor = s_minor;
      51                 :            : 
      52                 :     235783 :   if (patchlevel)
      53                 :     157608 :     *patchlevel = s_patchlevel;
      54                 :     235783 : }
      55                 :            : 
      56                 :            : 
      57                 :            : /* Define __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__ and __VERSION__.  */
      58                 :            : static void
      59                 :     157608 : define__GNUC__ (cpp_reader *pfile)
      60                 :            : {
      61                 :     157608 :   int major, minor, patchlevel;
      62                 :            : 
      63                 :     157608 :   parse_basever (&major, &minor, &patchlevel);
      64                 :     157608 :   cpp_define_formatted (pfile, "__GNUC__=%d", major);
      65                 :     157608 :   cpp_define_formatted (pfile, "__GNUC_MINOR__=%d", minor);
      66                 :     157608 :   cpp_define_formatted (pfile, "__GNUC_PATCHLEVEL__=%d", patchlevel);
      67                 :     157608 :   cpp_define_formatted (pfile, "__VERSION__=\"%s\"", version_string);
      68                 :     157608 :   cpp_define_formatted (pfile, "__ATOMIC_RELAXED=%d", MEMMODEL_RELAXED);
      69                 :     157608 :   cpp_define_formatted (pfile, "__ATOMIC_SEQ_CST=%d", MEMMODEL_SEQ_CST);
      70                 :     157608 :   cpp_define_formatted (pfile, "__ATOMIC_ACQUIRE=%d", MEMMODEL_ACQUIRE);
      71                 :     157608 :   cpp_define_formatted (pfile, "__ATOMIC_RELEASE=%d", MEMMODEL_RELEASE);
      72                 :     157608 :   cpp_define_formatted (pfile, "__ATOMIC_ACQ_REL=%d", MEMMODEL_ACQ_REL);
      73                 :     157608 :   cpp_define_formatted (pfile, "__ATOMIC_CONSUME=%d", MEMMODEL_CONSUME);
      74                 :     157608 : }
      75                 :            : 
      76                 :            : 
      77                 :            : /* Define various built-in CPP macros that depend on language-independent
      78                 :            :    compilation flags.  */
      79                 :            : static void
      80                 :     157608 : define_builtin_macros_for_compilation_flags (cpp_reader *pfile)
      81                 :            : {
      82                 :     157608 :   if (flag_pic)
      83                 :            :     {
      84                 :       5605 :       cpp_define_formatted (pfile, "__pic__=%d", flag_pic);
      85                 :       5605 :       cpp_define_formatted (pfile, "__PIC__=%d", flag_pic);
      86                 :            :     }
      87                 :     157608 :   if (flag_pie)
      88                 :            :     {
      89                 :        151 :       cpp_define_formatted (pfile, "__pie__=%d", flag_pie);
      90                 :        151 :       cpp_define_formatted (pfile, "__PIE__=%d", flag_pie);
      91                 :            :     }
      92                 :            : 
      93                 :     157608 :   if (flag_sanitize & SANITIZE_ADDRESS)
      94                 :       1712 :     cpp_define (pfile, "__SANITIZE_ADDRESS__");
      95                 :            : 
      96                 :     157608 :   if (flag_sanitize & SANITIZE_THREAD)
      97                 :        185 :     cpp_define (pfile, "__SANITIZE_THREAD__");
      98                 :            : 
      99                 :     157608 :   if (optimize_size)
     100                 :       7355 :     cpp_define (pfile, "__OPTIMIZE_SIZE__");
     101                 :     157608 :   if (optimize)
     102                 :      88867 :     cpp_define (pfile, "__OPTIMIZE__");
     103                 :            : 
     104                 :     157608 :   if (fast_math_flags_set_p (&global_options))
     105                 :       1051 :     cpp_define (pfile, "__FAST_MATH__");
     106                 :     157608 :   if (flag_signaling_nans)
     107                 :         90 :     cpp_define (pfile, "__SUPPORT_SNAN__");
     108                 :     157608 :   if (!flag_errno_math)
     109                 :       2018 :     cpp_define (pfile, "__NO_MATH_ERRNO__");
     110                 :            : 
     111                 :     157608 :   cpp_define_formatted (pfile, "__FINITE_MATH_ONLY__=%d",
     112                 :            :                         flag_finite_math_only);
     113                 :     157608 : }
     114                 :            : 
     115                 :            : 
     116                 :            : /* Define built-in macros for LP64 targets. */
     117                 :            : static void
     118                 :     157608 : define_builtin_macros_for_lp64 (cpp_reader *pfile)
     119                 :            : {
     120                 :     157608 :   if (TYPE_PRECISION (long_integer_type_node) == 64
     121                 :     152851 :       && POINTER_SIZE == 64
     122                 :     310459 :       && TYPE_PRECISION (integer_type_node) == 32)
     123                 :            :     {
     124                 :     152851 :       cpp_define (pfile, "_LP64");
     125                 :     152851 :       cpp_define (pfile, "__LP64__");
     126                 :            :     }
     127                 :     157608 : }
     128                 :            : 
     129                 :            : 
     130                 :            : /* Define macros for size of basic C types.  */
     131                 :            : static void
     132                 :     157608 : define_builtin_macros_for_type_sizes (cpp_reader *pfile)
     133                 :            : {
     134                 :            : #define define_type_sizeof(NAME, TYPE)                             \
     135                 :            :     cpp_define_formatted (pfile, NAME"=" HOST_WIDE_INT_PRINT_DEC,   \
     136                 :            :                           tree_to_uhwi (TYPE_SIZE_UNIT (TYPE)))
     137                 :            : 
     138                 :     157608 :   define_type_sizeof ("__SIZEOF_INT__", integer_type_node);
     139                 :     157608 :   define_type_sizeof ("__SIZEOF_LONG__", long_integer_type_node);
     140                 :     157608 :   define_type_sizeof ("__SIZEOF_LONG_LONG__", long_long_integer_type_node);
     141                 :     157608 :   define_type_sizeof ("__SIZEOF_SHORT__", short_integer_type_node);
     142                 :     157608 :   define_type_sizeof ("__SIZEOF_FLOAT__", float_type_node);
     143                 :     157608 :   define_type_sizeof ("__SIZEOF_DOUBLE__", double_type_node);
     144                 :     157608 :   define_type_sizeof ("__SIZEOF_LONG_DOUBLE__", long_double_type_node);
     145                 :     157608 :   define_type_sizeof ("__SIZEOF_SIZE_T__", size_type_node);
     146                 :            : 
     147                 :            : #undef define_type_sizeof
     148                 :            : 
     149                 :     315216 :   cpp_define_formatted (pfile, "__CHAR_BIT__=%u",
     150                 :     157608 :                         TYPE_PRECISION (char_type_node));
     151                 :     157608 :   cpp_define_formatted (pfile, "__BIGGEST_ALIGNMENT__=%d",
     152                 :     157608 :                         BIGGEST_ALIGNMENT / BITS_PER_UNIT);
     153                 :            : 
     154                 :            :   /* Define constants useful for implementing endian.h.  */
     155                 :     157608 :   cpp_define (pfile, "__ORDER_LITTLE_ENDIAN__=1234");
     156                 :     157608 :   cpp_define (pfile, "__ORDER_BIG_ENDIAN__=4321");
     157                 :     157608 :   cpp_define (pfile, "__ORDER_PDP_ENDIAN__=3412");
     158                 :            : 
     159                 :     157608 :   if (WORDS_BIG_ENDIAN == BYTES_BIG_ENDIAN)
     160                 :     157608 :     cpp_define_formatted (pfile, "__BYTE_ORDER__=%s",
     161                 :            :                           (WORDS_BIG_ENDIAN
     162                 :            :                            ? "__ORDER_BIG_ENDIAN__"
     163                 :            :                            : "__ORDER_LITTLE_ENDIAN__"));
     164                 :            :   else
     165                 :            :     {
     166                 :            :       /* Assert that we're only dealing with the PDP11 case.  */
     167                 :            :       gcc_assert (!BYTES_BIG_ENDIAN);
     168                 :            :       gcc_assert (WORDS_BIG_ENDIAN);
     169                 :            : 
     170                 :            :       cpp_define (pfile, "__BYTE_ORDER__=__ORDER_PDP_ENDIAN__");
     171                 :            :     }
     172                 :            : 
     173                 :     315216 :   cpp_define_formatted (pfile, "__FLOAT_WORD_ORDER__=%s",
     174                 :     157608 :                         (targetm.float_words_big_endian ()
     175                 :            :                          ? "__ORDER_BIG_ENDIAN__"
     176                 :            :                          : "__ORDER_LITTLE_ENDIAN__"));
     177                 :            : 
     178                 :            :   /* ptr_type_node can't be used here since ptr_mode is only set when
     179                 :            :      toplev calls backend_init which is not done with -E switch.  */
     180                 :     315216 :   cpp_define_formatted (pfile, "__SIZEOF_POINTER__=%d",
     181                 :     162297 :                         1 << ceil_log2 ((POINTER_SIZE + BITS_PER_UNIT - 1) / BITS_PER_UNIT));
     182                 :     157608 : }
     183                 :            : 
     184                 :            : 
     185                 :            : /* Define macros builtins common to all language performing CPP
     186                 :            :    preprocessing.  */
     187                 :            : void
     188                 :     157608 : define_language_independent_builtin_macros (cpp_reader *pfile)
     189                 :            : {
     190                 :     157608 :   define__GNUC__ (pfile);
     191                 :     157608 :   define_builtin_macros_for_compilation_flags (pfile);
     192                 :     157608 :   define_builtin_macros_for_lp64 (pfile);
     193                 :     157608 :   define_builtin_macros_for_type_sizes (pfile);
     194                 :     157608 : }

Generated by: LCOV version 1.0

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto --enable-host-shared. GCC test suite is run with the built compiler.