114 lines
3.7 KiB
Text
114 lines
3.7 KiB
Text
# 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 ${binfile}
|
|
|
|
proc test_stepi {function } {
|
|
# Restart the program from scratch. If GDB got confused during one
|
|
# of the previous tests, this makes sure that it doesn't affect
|
|
# this series of tests.
|
|
if ![runto_main] then {
|
|
fail "Can't run to main"
|
|
return 0
|
|
}
|
|
|
|
# Insert a breakpoint on the FP branch instruction inside FUNCTION.
|
|
# Since the function has been hand written, we know this instruction
|
|
# is a "fb$function" located at FUNCTION+4.
|
|
gdb_test "break *$function+4" \
|
|
"Breakpoint .* at .*" \
|
|
"breakpoint on fb$function instruction"
|
|
|
|
gdb_test "continue" \
|
|
"Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
|
|
"continue to fb$function instruction (first call)"
|
|
|
|
# Extra check to make sure we stopped on the FP branch instruction.
|
|
|
|
gdb_test "x /i \$pc" \
|
|
"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function\[ \t\]+.*" \
|
|
"Check breakpoint on fb$function instruction (first call)"
|
|
|
|
# Step test, followed by the check that we landed on the expected
|
|
# instruction (the testcase should be written in such a way that
|
|
# the branch is taken on the first call to this function.
|
|
|
|
gdb_test "stepi" \
|
|
"0x\[0-9a-fA-F\]+.*" \
|
|
"stepi on fb$function (first call)"
|
|
|
|
gdb_test "x /i \$pc" \
|
|
"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+ret\[ \t\]+.*" \
|
|
"Check stepi over fb$function stopped on ret"
|
|
|
|
# Continue again. FUNCTION should be called a second time, this time
|
|
# with an argument such that the FP branch will not be taken.
|
|
|
|
gdb_test "continue" \
|
|
"Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
|
|
"continue to fb$function instruction (second call)"
|
|
|
|
# Extra check to make sure we stopped on the FP branch instruction.
|
|
|
|
gdb_test "x /i \$pc" \
|
|
"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function\[ \t\]+.*" \
|
|
"Check breakpoint on fb$function instruction (second call)"
|
|
|
|
# Step test, branch should not be taken.
|
|
|
|
gdb_test "stepi" \
|
|
"0x\[0-9a-fA-F\]+.*" \
|
|
"stepi on fb$function (branch not taken)"
|
|
|
|
# Extra check to verify that we landed on the instruction we expected.
|
|
|
|
gdb_test "x /i \$pc" \
|
|
"0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fneg\[ \t\]+.*" \
|
|
"Check stepi over fb$function stopped on fneg instruction"
|
|
|
|
}
|
|
|
|
test_stepi "gt"
|
|
test_stepi "ge"
|
|
test_stepi "lt"
|
|
test_stepi "le"
|
|
test_stepi "eq"
|
|
test_stepi "ne"
|
|
|