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# Copyright (C) 1992-2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# This file was written by Rob Savoye (rob@cygnus.com)
# Currently maintained by Doug Evans (dje@cygnus.com)
# This file is loaded by the tool init file (eg: unix.exp). It provides
# default definitions for gcc_start, etc. and other supporting cast members.
# These globals are used by gcc_start if no compiler arguments are provided.
# They are also used by the various testsuites to define the environment:
# where to find stdio.h, libc.a, etc.
# we want to use libgloss so we can get find_gcc.
load_lib libgloss.exp
load_lib prune.exp
load_lib gcc-defs.exp
load_lib timeout.exp
#
# GCC_UNDER_TEST is the compiler under test.
#
#
# default_gcc_version -- extract and print the version number of the compiler
#
proc default_gcc_version { } {
global GCC_UNDER_TEST
gcc_init
# ignore any arguments after the command
set compiler [lindex $GCC_UNDER_TEST 0]
if ![is_remote host] {
set compiler_name [which $compiler]
} else {
set compiler_name $compiler
}
# verify that the compiler exists
if { $compiler_name != 0 } then {
set tmp [remote_exec host "$compiler -v"]
set status [lindex $tmp 0]
set output [lindex $tmp 1]
regexp " version \[^\n\r\]*" $output version
if { $status == 0 && [info exists version] } then {
clone_output "$compiler_name $version\n"
} else {
clone_output "Couldn't determine version of $compiler_name: $output\n"
}
} else {
# compiler does not exist (this should have already been detected)
warning "$compiler does not exist"
}
}
#
# gcc_version -- Call default_gcc_version, so we can override it if needed.
#
proc gcc_version { } {
default_gcc_version
}
#
# gcc_init -- called at the start of each .exp script.
#
# There currently isn't much to do, but always using it allows us to
# make some enhancements without having to go back and rewrite the scripts.
#
set gcc_initialized 0
proc gcc_init { args } {
global tmpdir
global libdir
global gluefile wrap_flags
global gcc_initialized
global GCC_UNDER_TEST
global TOOL_EXECUTABLE
global gcc_warning_prefix
global gcc_error_prefix
if { $gcc_initialized == 1 } { return; }
if ![info exists GCC_UNDER_TEST] {
if [info exists TOOL_EXECUTABLE] {
set GCC_UNDER_TEST $TOOL_EXECUTABLE
} else {
set GCC_UNDER_TEST "[find_gcc]"
}
}
if ![info exists tmpdir] then {
set tmpdir /tmp
}
set gcc_warning_prefix "warning:"
set gcc_error_prefix "error:"
gcc_maybe_build_wrapper "${tmpdir}/gcc-testglue.o"
}
#
# gcc_target_compile -- compile a source file
#
proc gcc_target_compile { source dest type options } {
global tmpdir
global gluefile wrap_flags
global GCC_UNDER_TEST
global TOOL_OPTIONS
global TEST_ALWAYS_FLAGS
if {[target_info needs_status_wrapper] != "" && \
[target_info needs_status_wrapper] != "0" && \
[info exists gluefile] } {
lappend options "libs=${gluefile}"
lappend options "ldflags=$wrap_flags"
}
if [target_info exists gcc,stack_size] {
lappend options "additional_flags=-DSTACK_SIZE=[target_info gcc,stack_size]"
}
if [target_info exists gcc,no_trampolines] {
lappend options "additional_flags=-DNO_TRAMPOLINES"
}
if [target_info exists gcc,no_label_values] {
lappend options "additional_flags=-DNO_LABEL_VALUES"
}
# TEST_ALWAYS_FLAGS are flags that should be passed to every
# compilation. They are passed first to allow individual
# tests to override them.
if [info exists TEST_ALWAYS_FLAGS] {
set options [concat "{additional_flags=$TEST_ALWAYS_FLAGS}" $options]
}
# TOOL_OPTIONS must come first, so that it doesn't override testcase
# specific options.
if [info exists TOOL_OPTIONS] {
set options [concat "{additional_flags=$TOOL_OPTIONS}" $options]
}
lappend options "timeout=[timeout_value]"
lappend options "compiler=$GCC_UNDER_TEST"
set options [dg-additional-files-options $options $source]
return [target_compile $source $dest $type $options]
}
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