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c906108c SS |
1 | # Copyright (C) 1997, 1998 Free Software Foundation, Inc. |
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 | |
5 | # the Free Software Foundation; either version 2 of the License, or | |
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 | |
14 | # along with this program; if not, write to the Free Software | |
15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
16 | ||
17 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-gdb@prep.ai.mit.edu | |
19 | ||
20 | if $tracelevel then { | |
21 | strace $tracelevel | |
22 | } | |
23 | ||
24 | set prms_id 0 | |
25 | set bug_id 0 | |
26 | ||
27 | # are we on a target board | |
28 | if ![isnative] then { | |
29 | return | |
30 | } | |
31 | ||
32 | # This test is presently only valid on HP-UX, since it requires | |
33 | # that we use HP-UX-specific compiler & linker options to build | |
34 | # the testcase. | |
35 | # | |
36 | setup_xfail "*-*-*" | |
37 | clear_xfail "hppa*-*-*hpux*" | |
38 | ||
39 | set libfile "solib" | |
40 | set testfile "so-indr-cl" | |
41 | set srcfile ${testfile}.c | |
42 | set binfile ${objdir}/${subdir}/${testfile} | |
43 | ||
44 | if [get_compiler_info ${binfile}] { | |
45 | return -1 | |
46 | } | |
47 | ||
48 | # Build the shared libraries this test case needs. | |
49 | # | |
50 | #cd ${subdir} | |
51 | #remote_exec build "$CC -g +z -c ${libfile}1.c -o ${libfile}1.o" | |
52 | ||
53 | ||
085dd6e6 JM |
54 | if {$hp_cc_compiler || $hp_aCC_compiler} { |
55 | set additional_flags "additional_flags=+z" | |
c906108c SS |
56 | } else { |
57 | set additional_flags "additional_flags=-fpic" | |
58 | } | |
59 | if {[gdb_compile "${srcdir}/${subdir}/${libfile}1.c" "${objdir}/${subdir}/${libfile}1.o" object [list debug $additional_flags]] != ""} { | |
60 | perror "Couldn't compile ${libfile}1.c" | |
61 | return -1 | |
62 | } | |
63 | ||
64 | if [istarget "hppa*-hp-hpux*"] then { | |
65 | remote_exec build "ld -b ${objdir}/${subdir}/${libfile}1.o -o ${objdir}/${subdir}/${libfile}1.sl" | |
66 | } else { | |
67 | set additional_flags "additional_flags=-shared" | |
68 | gdb_compile "${objdir}/${subdir}/${libfile}1.o" "${objdir}/${subdir}/${libfile}1.sl" executable [list debug $additional_flags] | |
69 | } | |
70 | ||
71 | # Build the test case | |
72 | #remote_exec build "$CC -Aa -g ${srcfile} ${libfile}1.sl -o ${binfile}" | |
73 | ||
74 | ||
085dd6e6 JM |
75 | if {$hp_cc_compiler} { |
76 | set additional_flags "additional_flags=-Ae" | |
c906108c SS |
77 | } else { |
78 | set additional_flags "" | |
79 | } | |
80 | if {[gdb_compile "${srcdir}/${subdir}/${srcfile} ${objdir}/${subdir}/${libfile}1.sl" "${binfile}" executable [list debug $additional_flags]] != ""} { | |
81 | perror "Couldn't build ${binfile}" | |
82 | return -1 | |
83 | } | |
84 | ||
85 | #cd .. | |
86 | ||
87 | # Start with a fresh gdb | |
88 | ||
89 | gdb_exit | |
90 | gdb_start | |
91 | gdb_reinitialize_dir $srcdir/$subdir | |
92 | gdb_load ${binfile} | |
93 | ||
94 | # This program implicitly loads SOM shared libraries. We wish to test | |
95 | # whether a user can set breakpoints in a shlib before running the | |
96 | # program, where the program doesn't directly call the shlib, but | |
97 | # indirectly does via passing its address to another function. | |
98 | # | |
99 | # ??rehrauer: Currently, this doesn't work, but we do catch the case | |
100 | # and explicitly disallow it. The reason it fails appears to be that | |
101 | # | |
102 | # [1] gdb consults only the linker symbol table in this scenario, and | |
103 | # [2] For a shlib function that is only indirectly called from the | |
104 | # main a.out, there is in the linker symbol table a stub whose | |
105 | # address is negative. Possibly this is to be interpreted as | |
106 | # an index into the DLT?? | |
107 | # | |
108 | send_gdb "break solib_main\n" | |
109 | gdb_expect { | |
110 | -re "Cannot break on solib_main without a running program.*$gdb_prompt $"\ | |
111 | {pass "break on indirect solib call before running"} | |
085dd6e6 JM |
112 | -re "Breakpoint.*deferred.*\\(\"solib_main\" was not found.*$gdb_prompt $"\ |
113 | {pass "break on indirect solib call before running 2"} | |
c906108c SS |
114 | -re "$gdb_prompt $"\ |
115 | {fail "break on indirect solib call before running"} | |
116 | timeout {fail "(timeout) break on indirect solib call before running"} | |
117 | } | |
118 | ||
119 | # However, if we do run to the program's main, we then ought to be | |
120 | # able to set a breakpoint on the indirectly called function. (Apparently, | |
121 | # once the inferior is running, gdb consults the debug info rather than | |
122 | # the linker symbol table, and is able to find the correct address.) | |
123 | # | |
124 | if ![runto_main] then { fail "indirect solib call tests suppressed" } | |
125 | ||
126 | # Verify that we can step over the first shlib call. | |
127 | # | |
128 | send_gdb "break solib_main\n" | |
129 | gdb_expect { | |
130 | -re ".*\[Bb\]reakpoint \[0-9\]* at 0x\[0-9a-fA-F\]*: file.*${libfile}1.c.*$gdb_prompt $"\ | |
131 | {pass "break on indirect solib call after running"} | |
132 | -re "$gdb_prompt $"\ | |
133 | {fail "break on indirect solib call after running"} | |
134 | timeout {fail "(timeout) break on indirect solib call after running"} | |
135 | } | |
136 | ||
137 | gdb_exit | |
138 | return 0 |