1 # Copyright 2005, 2007, 2008, 2009 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/>.
23 if ![istarget "alpha*-*-*"] then {
24 verbose "Skipping alpha step tests."
28 set testfile "alpha-step"
29 set srcfile ${testfile}.c
30 set binfile ${objdir}/${subdir}/${testfile}
32 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
33 unsupported "Testcase compile failed."
39 gdb_reinitialize_dir $srcdir/$subdir
42 proc test_stepi {function } {
43 # Restart the program from scratch. If GDB got confused during one
44 # of the previous tests, this makes sure that it doesn't affect
45 # this series of tests.
46 if ![runto_main] then {
47 fail "Can't run to main"
51 # Insert a breakpoint on the FP branch instruction inside FUNCTION.
52 # Since the function has been hand written, we know this instruction
53 # is a "fb$function" located at FUNCTION+4.
54 gdb_test "break *$function+4" \
55 "Breakpoint .* at .*" \
56 "breakpoint on fb$function instruction"
59 "Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
60 "continue to fb$function instruction (first call)"
62 # Extra check to make sure we stopped on the FP branch instruction.
64 gdb_test "x /i \$pc" \
65 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function.*" \
66 "Check breakpoint on fb$function instruction (first call)"
68 # Step test, followed by the check that we landed on the expected
69 # instruction (the testcase should be written in such a way that
70 # the branch is taken on the first call to this function.
73 "0x\[0-9a-fA-F\]+.*" \
74 "stepi on fb$function (first call)"
76 gdb_test "x /i \$pc" \
77 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+ret.*" \
78 "Check stepi over fb$function stopped on ret"
80 # Continue again. FUNCTION should be called a second time, this time
81 # with an argument such that the FP branch will not be taken.
84 "Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \
85 "continue to fb$function instruction (second call)"
87 # Extra check to make sure we stopped on the FP branch instruction.
89 gdb_test "x /i \$pc" \
90 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function.*" \
91 "Check breakpoint on fb$function instruction (second call)"
93 # Step test, branch should not be taken.
96 "0x\[0-9a-fA-F\]+.*" \
97 "stepi on fb$function (branch not taken)"
99 # Extra check to verify that we landed on the instruction we expected.
101 gdb_test "x /i \$pc" \
102 "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fneg.*" \
103 "Check stepi over fb$function stopped on fneg instruction"