i386-sse.exp

这个是LINUX下的GDB调度工具的源码

# Copyright 2004 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 2 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# [e-mail]

# This file is part of the gdb testsuite.

if $tracelevel {
    strace $tracelevel
}

set prms_id 0
set bug_id 0

if ![istarget "i?86-*-*"] then {
    verbose "Skipping i386 SSE tests."
    return
}

set testfile "i386-sse"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
    unsupported "compiler does not support SSE"
    return
}

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

if ![runto_main] then {
    gdb_suppress_tests
}

send_gdb "print have_sse ()\r"
gdb_expect {
    -re ".. = 1\r\n$gdb_prompt " {
        pass "check whether processor supports SSE"
    }
    -re ".. = 0\r\n$gdb_prompt " {
        verbose "processor does not support SSE; skipping SSE tests"
        return
    }
    -re ".*$gdb_prompt $" {
        fail "check whether processor supports SSE"
    }
    timeout {
        fail "check whether processor supports SSE (timeout)"
    }
}

gdb_test "break [gdb_get_line_number "first breakpoint here"]" \
         "Breakpoint .* at .*i386-sse.c.*" \
         "set breakpoint in main"
gdb_continue_to_breakpoint "continue to first breakpoint in main"

foreach r {0 1 2 3 4 5 6 7} {
    gdb_test "print \$xmm$r.v4_float" \
        ".. = \\{$r, $r.25, $r.5, $r.75\\}.*" \
        "check contents of %xmm$r"
}

foreach r {0 1 2 3 4 5 6 7} {
    gdb_test "set var \$xmm$r.v4_float\[0\] = $r + 10" "" "set %xmm$r"
}

gdb_test "break [gdb_get_line_number "second breakpoint here"]" \
         "Breakpoint .* at .*i386-sse.c.*" \
         "set breakpoint in main"
gdb_continue_to_breakpoint "continue to second breakpoint in main"

foreach r {0 1 2 3 4 5 6 7} {
    gdb_test "print data\[$r\]" \
        ".. = \\{f = \\{[expr $r + 10], $r.25, $r.5, $r.75\\}\\}.*" \
        "check contents of data\[$r\]"
}