# Copyright 2005 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.  

if $tracelevel {
    strace $tracelevel
}

set prms_id 0
set bug_id 0

if ![istarget "alpha*-*-*"] then {
    verbose "Skipping alpha step tests."
    return
}

set testfile "alpha-step"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
    unsupported "Testcase compile failed."
    return -1
}

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

if ![runto_main] then {
    fail "Can't run to main"
    return 0
}

# Insert a breakpoint on a fbne instruction inside gt that we know is
# at gt+48 (the body of gt has been written in assembly, so can not
# change from compiler to compiler). This instruction will cause a jump
# of a couple of instructions forward. Verify that this jump does not
# confuse GDB when steping...

gdb_test "break *gt+48" \
         "Breakpoint 2 at .*" \
         "breakpoint on fbne instruction"

gdb_test "continue" \
         "Breakpoint 2, 0x\[0-9a-fA-F\]+ in gt().*" \
         "continue to fbne instruction"

# Extra check to make sure we stopped on the fbne instruction.

gdb_test "x /i \$pc" \
         "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fbne\[ \t\]+.*" \
         "Check breakpoint on fbne instruction"

# Step test, should not cause the inferior to run until completion.

gdb_test "stepi" \
         "0x\[0-9a-fA-F\]+.*" \
         "stepi on fbne"

# Extra check to verify that we landed on the instruction we expected
# (it should be an stt instruction).

gdb_test "x /i \$pc" \
         "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+stt\[ \t\]+.*" \
         "Check stopped on stt instruction"