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6aba47ca 1# Copyright 1997, 1998, 1999, 2000, 2007 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
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
20if $tracelevel then {
21 strace $tracelevel
22 }
23
24set prms_id 0
25set bug_id 0
26
27# are we on a target board
28if ![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#
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36if {! [istarget "hppa*-*-*hpux*"] } {
37 return
38}
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39
40set libfile "solib"
41set testfile "so-indr-cl"
42set srcfile ${testfile}.c
43set binfile ${objdir}/${subdir}/${testfile}
44
45if [get_compiler_info ${binfile}] {
46 return -1
47}
48
49# Build the shared libraries this test case needs.
50#
51#cd ${subdir}
52#remote_exec build "$CC -g +z -c ${libfile}1.c -o ${libfile}1.o"
53
54
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55if {$hp_cc_compiler || $hp_aCC_compiler} {
56 set additional_flags "additional_flags=+z"
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57} else {
58 set additional_flags "additional_flags=-fpic"
59}
60if {[gdb_compile "${srcdir}/${subdir}/${libfile}1.c" "${objdir}/${subdir}/${libfile}1.o" object [list debug $additional_flags]] != ""} {
61 perror "Couldn't compile ${libfile}1.c"
62 return -1
63}
64
65if [istarget "hppa*-hp-hpux*"] then {
66 remote_exec build "ld -b ${objdir}/${subdir}/${libfile}1.o -o ${objdir}/${subdir}/${libfile}1.sl"
67} else {
68 set additional_flags "additional_flags=-shared"
69 gdb_compile "${objdir}/${subdir}/${libfile}1.o" "${objdir}/${subdir}/${libfile}1.sl" executable [list debug $additional_flags]
70}
71
72# Build the test case
73#remote_exec build "$CC -Aa -g ${srcfile} ${libfile}1.sl -o ${binfile}"
74
75
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76if {$hp_cc_compiler} {
77 set additional_flags "additional_flags=-Ae"
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78} else {
79 set additional_flags ""
80}
81if {[gdb_compile "${srcdir}/${subdir}/${srcfile} ${objdir}/${subdir}/${libfile}1.sl" "${binfile}" executable [list debug $additional_flags]] != ""} {
82 perror "Couldn't build ${binfile}"
83 return -1
84}
85
86#cd ..
87
88# Start with a fresh gdb
89
90gdb_exit
91gdb_start
92gdb_reinitialize_dir $srcdir/$subdir
93gdb_load ${binfile}
94
95# This program implicitly loads SOM shared libraries. We wish to test
96# whether a user can set breakpoints in a shlib before running the
97# program, where the program doesn't directly call the shlib, but
98# indirectly does via passing its address to another function.
99#
100# ??rehrauer: Currently, this doesn't work, but we do catch the case
101# and explicitly disallow it. The reason it fails appears to be that
102#
103# [1] gdb consults only the linker symbol table in this scenario, and
104# [2] For a shlib function that is only indirectly called from the
105# main a.out, there is in the linker symbol table a stub whose
106# address is negative. Possibly this is to be interpreted as
107# an index into the DLT??
108#
109send_gdb "break solib_main\n"
110gdb_expect {
111 -re "Cannot break on solib_main without a running program.*$gdb_prompt $"\
112 {pass "break on indirect solib call before running"}
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113 -re "Breakpoint.*deferred.*\\(\"solib_main\" was not found.*$gdb_prompt $"\
114 {pass "break on indirect solib call before running 2"}
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115 -re "$gdb_prompt $"\
116 {fail "break on indirect solib call before running"}
117 timeout {fail "(timeout) break on indirect solib call before running"}
118}
119
120# However, if we do run to the program's main, we then ought to be
121# able to set a breakpoint on the indirectly called function. (Apparently,
122# once the inferior is running, gdb consults the debug info rather than
123# the linker symbol table, and is able to find the correct address.)
124#
125if ![runto_main] then { fail "indirect solib call tests suppressed" }
126
127# Verify that we can step over the first shlib call.
128#
129send_gdb "break solib_main\n"
130gdb_expect {
131 -re ".*\[Bb\]reakpoint \[0-9\]* at 0x\[0-9a-fA-F\]*: file.*${libfile}1.c.*$gdb_prompt $"\
132 {pass "break on indirect solib call after running"}
133 -re "$gdb_prompt $"\
134 {fail "break on indirect solib call after running"}
135 timeout {fail "(timeout) break on indirect solib call after running"}
136}
137
138gdb_exit
139return 0