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618f726f | 1 | # Copyright 2007-2016 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 | # Please email any bugs, comments, and/or additions to this file to: | |
17 | # bug-gdb@gnu.org | |
18 | ||
19 | # This file is part of the gdb testsuite. | |
20 | ||
21 | # Unwinding of DW_CFA_GNU_negative_offset_extended test program. | |
22 | ||
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23 | # Test i386 unwinder. |
24 | ||
43a9b631 | 25 | |
11fc9057 | 26 | if { ![is_x86_like_target] } then { |
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27 | verbose "Skipping i386 unwinder tests." |
28 | return | |
29 | } | |
30 | ||
31 | set testfile "i386-gnu-cfi" | |
32 | set srcfilec ${testfile}.c | |
33 | set srcfileasm ${testfile}-asm.S | |
34 | set binfile ${objdir}/${subdir}/${testfile} | |
35 | ||
36 | # some targets have leading underscores on assembly symbols. | |
ee5683ab | 37 | set additional_flags [gdb_target_symbol_prefix_flags] |
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38 | |
39 | if { [gdb_compile "${srcdir}/${subdir}/${srcfilec} ${srcdir}/${subdir}/${srcfileasm}" "${binfile}" executable [list debug $additional_flags]] != "" } { | |
40 | untested i386-gnu-cfi.exp | |
41 | return -1 | |
42 | } | |
43 | ||
44 | # Get things started. | |
45 | ||
46 | gdb_exit | |
47 | gdb_start | |
48 | gdb_reinitialize_dir $srcdir/$subdir | |
49 | gdb_load ${binfile} | |
50 | ||
51 | # We should stop in abort(3). | |
52 | ||
53 | gdb_run_cmd | |
54 | ||
55 | gdb_test_multiple {} "continue to abort()" { | |
56 | -re ".*Program received signal SIGABRT,.*$gdb_prompt $" { | |
57 | pass "continue to abort()" | |
58 | } | |
59 | } | |
60 | ||
61 | # Backtrace would crash before. | |
62 | ||
63 | gdb_test "bt" \ | |
64 | "main \\(\\) at .*${testfile}.c.*" \ | |
65 | "backtrace" | |
66 | ||
67 | # Check we see the inserted `DW_CFA_GNU_negative_offset_extended' CFI. | |
68 | # We see there the original CFI-stored filename `gate.c'. | |
69 | ||
70 | gdb_test "up 3" \ | |
71 | "gate \\(\[^()\]*\\) at .*gate.c.*" \ | |
72 | "shift up to the modified frame" | |
73 | ||
74 | gdb_test_multiple "info frame" "Existence of the CFI inserted register" { | |
75 | -re "Stack level 3, frame at (0x\[0-9a-f\]+):.*Saved registers:.* ecx at (0x\[0-9a-f\]+),.*" { | |
76 | pass "Existence of the CFI inserted register" | |
77 | if { [string compare $expect_out(1,string) $expect_out(2,string)] } then { | |
78 | fail "Value of the CFI inserted register" | |
79 | } else { | |
80 | pass "Value of the CFI inserted register" | |
81 | } | |
82 | } | |
83 | } |