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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [lib/] [gcc.exp] - Rev 856

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# Copyright (C) 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2003, 2004, 2007
# 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

#
# 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

    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
    }

    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
        
    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"
    }
    # 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}" $options]
    }
    if [target_info exists gcc,timeout] {
        lappend options "timeout=[target_info gcc,timeout]"
    }
    lappend options "additional_flags=-fno-show-column"
    lappend options "compiler=$GCC_UNDER_TEST"
    set options [dg-additional-files-options $options $source]
    return [target_compile $source $dest $type $options]
}

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