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7b6bb8da | 1 | # Copyright 2005, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
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2 | |
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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
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6 | # (at your option) any later version. |
7 | # | |
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. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 | |
16 | if $tracelevel { | |
17 | strace $tracelevel | |
18 | } | |
19 | ||
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20 | |
21 | if ![istarget "alpha*-*-*"] then { | |
22 | verbose "Skipping alpha step tests." | |
23 | return | |
24 | } | |
25 | ||
26 | set testfile "alpha-step" | |
27 | set srcfile ${testfile}.c | |
28 | set binfile ${objdir}/${subdir}/${testfile} | |
29 | ||
30 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } { | |
31 | unsupported "Testcase compile failed." | |
32 | return -1 | |
33 | } | |
34 | ||
35 | gdb_exit | |
36 | gdb_start | |
37 | gdb_reinitialize_dir $srcdir/$subdir | |
38 | gdb_load ${binfile} | |
39 | ||
40 | proc test_stepi {function } { | |
41 | # Restart the program from scratch. If GDB got confused during one | |
42 | # of the previous tests, this makes sure that it doesn't affect | |
43 | # this series of tests. | |
44 | if ![runto_main] then { | |
45 | fail "Can't run to main" | |
46 | return 0 | |
47 | } | |
48 | ||
49 | # Insert a breakpoint on the FP branch instruction inside FUNCTION. | |
50 | # Since the function has been hand written, we know this instruction | |
51 | # is a "fb$function" located at FUNCTION+4. | |
52 | gdb_test "break *$function+4" \ | |
53 | "Breakpoint .* at .*" \ | |
54 | "breakpoint on fb$function instruction" | |
55 | ||
56 | gdb_test "continue" \ | |
57 | "Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \ | |
58 | "continue to fb$function instruction (first call)" | |
59 | ||
60 | # Extra check to make sure we stopped on the FP branch instruction. | |
61 | ||
62 | gdb_test "x /i \$pc" \ | |
1dff4b64 | 63 | "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function.*" \ |
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64 | "Check breakpoint on fb$function instruction (first call)" |
65 | ||
66 | # Step test, followed by the check that we landed on the expected | |
67 | # instruction (the testcase should be written in such a way that | |
68 | # the branch is taken on the first call to this function. | |
69 | ||
70 | gdb_test "stepi" \ | |
71 | "0x\[0-9a-fA-F\]+.*" \ | |
72 | "stepi on fb$function (first call)" | |
73 | ||
74 | gdb_test "x /i \$pc" \ | |
1dff4b64 | 75 | "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+ret.*" \ |
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76 | "Check stepi over fb$function stopped on ret" |
77 | ||
78 | # Continue again. FUNCTION should be called a second time, this time | |
79 | # with an argument such that the FP branch will not be taken. | |
80 | ||
81 | gdb_test "continue" \ | |
82 | "Breakpoint .*, 0x\[0-9a-fA-F\]+ in $function\(\).*" \ | |
83 | "continue to fb$function instruction (second call)" | |
84 | ||
85 | # Extra check to make sure we stopped on the FP branch instruction. | |
86 | ||
87 | gdb_test "x /i \$pc" \ | |
1dff4b64 | 88 | "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fb$function.*" \ |
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89 | "Check breakpoint on fb$function instruction (second call)" |
90 | ||
91 | # Step test, branch should not be taken. | |
92 | ||
93 | gdb_test "stepi" \ | |
94 | "0x\[0-9a-fA-F\]+.*" \ | |
95 | "stepi on fb$function (branch not taken)" | |
96 | ||
97 | # Extra check to verify that we landed on the instruction we expected. | |
98 | ||
99 | gdb_test "x /i \$pc" \ | |
1dff4b64 | 100 | "0x\[0-9a-fA-F\]+ <.*>:\[ \t\]+fneg.*" \ |
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101 | "Check stepi over fb$function stopped on fneg instruction" |
102 | ||
103 | } | |
104 | ||
105 | test_stepi "gt" | |
106 | test_stepi "ge" | |
107 | test_stepi "lt" | |
108 | test_stepi "le" | |
109 | test_stepi "eq" | |
110 | test_stepi "ne" | |
111 |