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618f726f | 1 | # Copyright 2006-2016 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: | |
5f4a23d9 | 17 | # bug-gdb@gnu.org |
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18 | |
19 | # This file was written by Alexandre Oliva <aoliva@redhat.com> | |
20 | ||
cc10cae3 | 21 | |
5e3b36f8 | 22 | if { ![isnative] || [is_remote host] || [skip_shlib_tests]} { |
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23 | return |
24 | } | |
25 | ||
4c93b1db | 26 | if [get_compiler_info] { |
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27 | return -1 |
28 | } | |
29 | ||
30 | if {$gcc_compiled == 0} { | |
31 | return -1 | |
32 | } | |
33 | ||
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34 | load_lib prelink-support.exp |
35 | ||
cc10cae3 | 36 | set testfile "prelink" |
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37 | |
38 | set libsrcfile ${testfile}-lib.c | |
08b3fe69 | 39 | set libfile [standard_output_file ${testfile}.so] |
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40 | |
41 | # Use -soname so that the new library gets copied by build_executable_own_libs. | |
42 | ||
d8b34041 | 43 | if { [gdb_compile_shlib "${srcdir}/${subdir}/${libsrcfile}" "${libfile}" [list debug "ldflags=-Wl,-soname,[file tail ${libfile}]"]] != ""} { |
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44 | # If creating the shared library fails, maybe we don't have the right tools |
45 | return -1 | |
46 | } | |
47 | ||
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48 | set srcfile ${testfile}.c |
49 | set executable ${testfile}t | |
08b3fe69 | 50 | set binfile [standard_output_file ${executable}] |
d8b34041 | 51 | set prelink_args [build_executable_own_libs ${testfile}.exp $executable $srcfile [list debug "ldflags=-Wl,${libfile},-rpath,[file dirname ${libfile}]"]] |
5e3b36f8 | 52 | if {$prelink_args == ""} { |
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53 | return -1 |
54 | } | |
55 | ||
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56 | set test "split debug of executable" |
57 | if [gdb_gnu_strip_debug $binfile] { | |
58 | fail $test | |
59 | } else { | |
60 | pass $test | |
61 | } | |
62 | ||
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63 | if ![prelink_yes $prelink_args] { |
64 | # Maybe we don't have prelink. | |
65 | return -1 | |
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66 | } |
67 | ||
68 | set found 0 | |
08b3fe69 | 69 | set coredir "[standard_output_file coredir.[getpid]]" |
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70 | file mkdir $coredir |
71 | catch "system \"(cd ${coredir}; ulimit -c unlimited; ${binfile}; true) >/dev/null 2>&1\"" | |
72 | ||
73 | foreach i "${coredir}/core ${coredir}/core.coremaker.c ${binfile}.core" { | |
74 | if [remote_file build exists $i] { | |
08b3fe69 | 75 | remote_exec build "mv $i [standard_output_file prelink.core]" |
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76 | set found 1 |
77 | } | |
78 | } | |
79 | # Check for "core.PID". | |
80 | if { $found == 0 } { | |
81 | set names [glob -nocomplain -directory $coredir core.*] | |
82 | if {[llength $names] == 1} { | |
83 | set corefile [file join $coredir [lindex $names 0]] | |
08b3fe69 | 84 | remote_exec build "mv $corefile [standard_output_file prelink.core]" |
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85 | set found 1 |
86 | } | |
87 | } | |
88 | ||
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89 | # Try to clean up after ourselves. |
90 | remote_file build delete [file join $coredir coremmap.data] | |
91 | remote_exec build "rmdir $coredir" | |
92 | ||
93 | if { $found == 0 } { | |
94 | warning "can't generate a core file - prelink tests suppressed - check ulimit -c" | |
95 | return 0 | |
96 | } | |
97 | ||
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98 | # Relink $libfile to a different address. |
99 | if ![prelink_yes $prelink_args] { | |
100 | return -1 | |
5f4a23d9 | 101 | } |
5f4a23d9 | 102 | |
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103 | # Start with a fresh gdb |
104 | ||
5e3b36f8 | 105 | clean_restart $executable |
cc10cae3 | 106 | |
701ed6dc | 107 | # Print the "adjusting expectations" message. |
27d3a1a2 | 108 | gdb_test_no_output "set verbose on" |
701ed6dc | 109 | |
08b3fe69 | 110 | gdb_test "core-file [standard_output_file prelink.core]" "Using PIC \\(Position Independent Code\\) prelink displacement 0x\[^0\]\[0-9a-f\]* for \[^\r\n\]*[file tail ${libfile}].*" "seen displacement message" |
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111 | |
112 | gdb_test "p &bssvar == bssvarp" " = 1" ".dynbss vs. .bss address shift" |