1# Copyright (C) 1992-2018 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with GCC; see the file COPYING3. If not see 15# <http://www.gnu.org/licenses/>. 16 17# This file was written by Rob Savoye (rob@cygnus.com) 18# Currently maintained by Doug Evans (dje@cygnus.com) 19 20# This file is loaded by the tool init file (eg: unix.exp). It provides 21# default definitions for gcc_start, etc. and other supporting cast members. 22 23# These globals are used by gcc_start if no compiler arguments are provided. 24# They are also used by the various testsuites to define the environment: 25# where to find stdio.h, libc.a, etc. 26 27# we want to use libgloss so we can get find_gcc. 28load_lib libgloss.exp 29load_lib prune.exp 30load_lib gcc-defs.exp 31load_lib timeout.exp 32 33# 34# GCC_UNDER_TEST is the compiler under test. 35# 36 37# 38# default_gcc_version -- extract and print the version number of the compiler 39# 40 41proc default_gcc_version { } { 42 global GCC_UNDER_TEST 43 44 gcc_init 45 46 # ignore any arguments after the command 47 set compiler [lindex $GCC_UNDER_TEST 0] 48 49 if ![is_remote host] { 50 set compiler_name [which $compiler] 51 } else { 52 set compiler_name $compiler 53 } 54 55 # verify that the compiler exists 56 if { $compiler_name != 0 } then { 57 set tmp [remote_exec host "$compiler -v"] 58 set status [lindex $tmp 0] 59 set output [lindex $tmp 1] 60 regexp " version \[^\n\r\]*" $output version 61 if { $status == 0 && [info exists version] } then { 62 clone_output "$compiler_name $version\n" 63 } else { 64 clone_output "Couldn't determine version of $compiler_name: $output\n" 65 } 66 } else { 67 # compiler does not exist (this should have already been detected) 68 warning "$compiler does not exist" 69 } 70} 71 72# 73# gcc_version -- Call default_gcc_version, so we can override it if needed. 74# 75 76proc gcc_version { } { 77 default_gcc_version 78} 79 80# 81# gcc_init -- called at the start of each .exp script. 82# 83# There currently isn't much to do, but always using it allows us to 84# make some enhancements without having to go back and rewrite the scripts. 85# 86 87set gcc_initialized 0 88 89proc gcc_init { args } { 90 global tmpdir 91 global libdir 92 global gluefile wrap_flags 93 global gcc_initialized 94 global GCC_UNDER_TEST 95 global TOOL_EXECUTABLE 96 global gcc_warning_prefix 97 global gcc_error_prefix 98 99 if { $gcc_initialized == 1 } { return; } 100 101 if ![info exists GCC_UNDER_TEST] { 102 if [info exists TOOL_EXECUTABLE] { 103 set GCC_UNDER_TEST $TOOL_EXECUTABLE 104 } else { 105 set GCC_UNDER_TEST "[find_gcc]" 106 } 107 } 108 109 if ![info exists tmpdir] then { 110 set tmpdir /tmp 111 } 112 113 set gcc_warning_prefix "warning:" 114 set gcc_error_prefix "(fatal )?error:" 115 116 gcc_maybe_build_wrapper "${tmpdir}/gcc-testglue.o" 117} 118 119# 120# gcc_target_compile -- compile a source file 121# 122 123proc gcc_target_compile { source dest type options } { 124 global tmpdir 125 global gluefile wrap_flags 126 global GCC_UNDER_TEST 127 global TOOL_OPTIONS 128 global TEST_ALWAYS_FLAGS 129 global flags_to_postpone 130 global board_info 131 132 if {[target_info needs_status_wrapper] != "" && \ 133 [target_info needs_status_wrapper] != "0" && \ 134 [info exists gluefile] } { 135 lappend options "libs=${gluefile}" 136 lappend options "ldflags=$wrap_flags" 137 } 138 139 global TEST_EXTRA_LIBS 140 if [info exists TEST_EXTRA_LIBS] { 141 lappend options "ldflags=$TEST_EXTRA_LIBS" 142 } 143 144 # TEST_ALWAYS_FLAGS are flags that should be passed to every 145 # compilation. They are passed first to allow individual 146 # tests to override them. 147 if [info exists TEST_ALWAYS_FLAGS] { 148 set options [concat "{additional_flags=$TEST_ALWAYS_FLAGS}" $options] 149 } 150 151 # TOOL_OPTIONS must come first, so that it doesn't override testcase 152 # specific options. 153 if [info exists TOOL_OPTIONS] { 154 set options [concat "{additional_flags=$TOOL_OPTIONS}" $options] 155 } 156 157 # bind_pic_locally adds -fpie/-fPIE flags to flags_to_postpone and it is 158 # appended here to multilib_flags as it can be overridden by the latter 159 # if it was added earlier. After the target_compile, multilib_flags is 160 # restored to its orignal content. 161 set tboard [target_info name] 162 if {[board_info $tboard exists multilib_flags]} { 163 set orig_multilib_flags "[board_info [target_info name] multilib_flags]" 164 append board_info($tboard,multilib_flags) " $flags_to_postpone" 165 } 166 167 lappend options "timeout=[timeout_value]" 168 lappend options "compiler=$GCC_UNDER_TEST" 169 set options [dg-additional-files-options $options $source] 170 set return_val [target_compile $source $dest $type $options] 171 172 if {[board_info $tboard exists multilib_flags]} { 173 set board_info($tboard,multilib_flags) $orig_multilib_flags 174 set flags_to_postpone "" 175 } 176 177 return $return_val 178} 179 180