1 # Copyright 2005-2016 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 if ![istarget "alpha*-*-*"] then {
18 verbose "Skipping alpha step tests."
22 set testfile "alpha-step"
23 set srcfile ${testfile}.c
24 set binfile ${objdir}/${subdir}/${testfile}
26 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
27 unsupported "failed to compile"
33 gdb_reinitialize_dir $srcdir/$subdir
36 proc test_stepi {function } {
37 # Restart the program from scratch. If GDB got confused during one
38 # of the previous tests, this makes sure that it doesn't affect
39 # this series of tests.
40 if ![runto_main] then {
41 fail "can't run to main"
45 # Insert a breakpoint on the FP branch instruction inside FUNCTION.
46 # Since the function has been hand written, we know this instruction
47 # is a "fb$function" located at FUNCTION+4.
48 gdb_test "break *$function+4" \
49 "Breakpoint .* at .*" \
50 "breakpoint on fb$function instruction"
53 "Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
54 "continue to fb$function instruction (first call)"
56 # Extra check to make sure we stopped on the FP branch instruction.
58 gdb_test "x /i \$pc" \
59 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function.*" \
60 "Check breakpoint on fb$function instruction (first call)"
62 # Step test, followed by the check that we landed on the expected
63 # instruction (the testcase should be written in such a way that
64 # the branch is taken on the first call to this function.
67 "0x\[0-9a-fA-F\]+.*" \
68 "stepi on fb$function (first call)"
70 gdb_test "x /i \$pc" \
71 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+ret.*" \
72 "Check stepi over fb$function stopped on ret"
74 # Continue again. FUNCTION should be called a second time, this time
75 # with an argument such that the FP branch will not be taken.
78 "Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
79 "continue to fb$function instruction (second call)"
81 # Extra check to make sure we stopped on the FP branch instruction.
83 gdb_test "x /i \$pc" \
84 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function.*" \
85 "Check breakpoint on fb$function instruction (second call)"
87 # Step test, branch should not be taken.
90 "0x\[0-9a-fA-F\]+.*" \
91 "stepi on fb$function (branch not taken)"
93 # Extra check to verify that we landed on the instruction we expected.
95 gdb_test "x /i \$pc" \
96 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fneg.*" \
97 "check stepi over fb$function stopped on fneg instruction"