1#   Copyright 1997, 1998, 1999, 2000, 2004 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# file to test calls into shared libraries
21# the source files for this test are:
22#
23# shmain.c
24# shr1.c (shared lib)
25# shr2.c (shared lib)
26# ss.h (header for shr2.c)
27#
28# file written by Elena Zannoni: elz@ch.apollo.com
29#
30
31#debug shmain
32#prop lib shr1.sl
33#prop lib shr2.sl
34
35if $tracelevel then {
36        strace $tracelevel
37}
38
39set prms_id 0
40set bug_id 0
41
42# are we on a target board?
43if ![isnative] then {
44    return 0
45}
46
47set testfile "shmain"
48set libfile "shr"
49set srcfile ${testfile}.c
50set binfile ${objdir}/${subdir}/${testfile}
51
52# build the first test case
53if [get_compiler_info ${binfile}] {
54    return -1
55}
56
57if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}.o" object {debug}] != "" } {
58     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
59}
60
61
62# Build the shared libraries this test case needs.
63#
64
65if {$gcc_compiled == 0} {
66    if [istarget "hppa*-hp-hpux*"] then {
67	set additional_flags "additional_flags=+z"
68    } elseif { [istarget "mips-sgi-irix*"] } {
69	# Disable SGI compiler's implicit -Dsgi
70	set additional_flags "additional_flags=-Usgi"
71    } else {
72	# don't know what the compiler is...
73	set additional_flags ""
74    }
75} else {
76    if { ([istarget "powerpc*-*-aix*"]
77       || [istarget "rs6000*-*-aix*"]) } {
78	set additional_flags ""
79    } else {
80	set additional_flags "additional_flags=-fpic"
81    }
82}
83
84if {[gdb_compile "${srcdir}/${subdir}/${libfile}1.c" "${objdir}/${subdir}/${libfile}1.o" object [list debug $additional_flags]] != ""} {
85     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
86}
87
88if {[gdb_compile "${srcdir}/${subdir}/${libfile}2.c" "${objdir}/${subdir}/${libfile}2.o" object [list debug $additional_flags]] != ""} {
89     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
90}
91
92if [istarget "hppa*-*-hpux*"] {
93    remote_exec build "ld -b ${objdir}/${subdir}/${libfile}1.o -o ${objdir}/${subdir}/${libfile}1.sl"
94    remote_exec build "ld -b ${objdir}/${subdir}/${libfile}2.o -o ${objdir}/${subdir}/${libfile}2.sl"
95} else {
96    set additional_flags "additional_flags=-shared"
97    if {[gdb_compile "${objdir}/${subdir}/${libfile}1.o" "${objdir}/${subdir}/${libfile}1.sl" executable [list debug $additional_flags]] != ""} {
98	gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
99    }
100    if {[gdb_compile "${objdir}/${subdir}/${libfile}2.o" "${objdir}/${subdir}/${libfile}2.sl" executable [list debug $additional_flags]] != ""} {
101	gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
102    }
103}
104
105if { ($gcc_compiled
106      &&  ([istarget "powerpc*-*-aix*"]
107	|| [istarget "rs6000*-*-aix*"] )) } {
108    set additional_flags "additional_flags=-L${objdir}/${subdir}"
109} elseif { [istarget "mips-sgi-irix*"] } {
110    set additional_flags "additional_flags=-rpath ${objdir}/${subdir}"
111} else {
112    set additional_flags ""
113}
114if {[gdb_compile "${objdir}/${subdir}/${testfile}.o ${objdir}/${subdir}/${libfile}1.sl ${objdir}/${subdir}/${libfile}2.sl" "${binfile}" executable [list debug $additional_flags]] != ""} {
115     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
116}
117
118
119
120# Start with a fresh gdb.
121
122gdb_exit
123gdb_start
124gdb_reinitialize_dir $srcdir/$subdir
125gdb_load ${binfile}
126send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
127send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
128send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
129
130
131if ![runto_main] then {
132        perror "C function calling tests suppressed"
133}
134
135
136#step -over
137
138    send_gdb "next\n"
139    gdb_expect {
140        -re ".*g = shr1\\(g\\).*$gdb_prompt $" {pass "next to shr1"}
141        -re ".*$gdb_prompt $" { fail "next to shr1" }
142        timeout { fail "next to shr1 (timeout)" }
143    }
144
145
146
147#print g
148
149send_gdb "print g\n"
150gdb_expect {
151    -re ".*\[0-9\]* = 1.*$gdb_prompt $" {
152        pass "print g"
153      }
154    -re ".*$gdb_prompt $" { fail "print  g" }
155    timeout           { fail "(timeout) print g" }
156  }
157
158
159#step -over
160  if ![gdb_skip_stdio_test "next over shr1"] {
161      send_gdb "next\n"
162      gdb_expect {
163	  -re ".*address of sgs is $hex.*g = shr2\\(g\\).*$gdb_prompt $" {
164	      pass "next over shr1"
165	  }
166	  -re ".*$gdb_prompt $" { fail "next over shr1" }
167	  timeout { fail "next over shr1 (timeout)" }
168      }
169  } else {
170      gdb_test "next" "" ""
171  }
172
173
174#print g
175send_gdb "print g\n"
176gdb_expect {
177    -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
178        pass "print g" }
179    -re ".*$gdb_prompt $" { fail "print  g" }
180    timeout           { fail "(timeout) print g" }
181  }
182
183#print shr1(1)
184  if ![gdb_skip_stdio_test "print shr1(1)"] {
185      send_gdb "print shr1(1)\n"
186      gdb_expect {
187	  -re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
188	      pass "print shr1(1)"
189	  }
190	  -re ".*$gdb_prompt $" { fail "print shr1(1)" }
191	  timeout               { fail "(timeout) print shr1(1)" }
192      }
193  }
194
195#print shr1(g)
196  if ![gdb_skip_stdio_test "print shr1(g)"] {
197      send_gdb "print shr1(g)\n"
198      gdb_expect {
199	  -re ".*address of sgs is $hex.*\[0-9\]* = 4.*$gdb_prompt $" {
200	      pass "print shr1(g)"
201	  }
202	  -re ".*$gdb_prompt $" { fail "print shr1(g)" }
203	  timeout               { fail "(timeout) print shr1(g)" }
204      }
205  }
206
207#break shr2
208#go
209gdb_test "break shr2" \
210    "Breakpoint.*file.*shr2.c, line.*" \
211    "breakpoint function shr2"
212
213gdb_test "continue" \
214	"Continuing\\..*Breakpoint \[0-9\]+, shr2 \\(.*\\) at.*shr2\\.c:7.*7.*return 2.x;" \
215	"run until breakpoint set at a function"
216
217
218#print shr1(1)
219if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {
220    send_gdb "print shr1(1)\n"
221    gdb_expect {
222	-re ".*address of sgs is $hex.*\[0-9\]* = 2.*$gdb_prompt $" {
223	    pass "print shr1(1) 2nd time"
224	}
225	-re ".*$gdb_prompt $" { fail "print shr1(1) 2nd time" }
226	timeout               { fail "(timeout) print shr1(1) 2nd time" }
227    }
228}
229
230#print mainshr1(1)
231send_gdb "print mainshr1(1)\n"
232gdb_expect {
233    -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
234        pass "print mainshr1(1) from shlib func"
235      }
236    -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from shlib func" }
237    timeout           { fail "(timeout) print mainshr1(1) from shlib func" }
238  }
239
240#step -return
241    send_gdb "step\n"
242    # A step at this point will either take us entirely out of
243    # the function or into the function's epilogue.  The exact
244    # behavior will differ depending upon upon whether or not
245    # the compiler emits line number information for the epilogue.
246    gdb_expect {
247        -re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {
248	    pass "step out of shr2 to main"
249	}
250        -re ".*\\\}.*$gdb_prompt $" {
251	    pass "step out of shr2 to main (stopped in shr2 epilogue)"
252	    send_gdb "step\n"
253	    gdb_expect {
254		-re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" { pass "step out of shr2 epilogue to main"}
255		-re ".*$gdb_prompt $" { fail "step out of shr2 epilogue to main" }
256		timeout { fail "step out of shr2 epilogue to main (timeout)" }
257	    }
258	}
259        -re ".*$gdb_prompt $" { fail "step out of shr2" }
260        timeout { fail "step out of shr2 to main (timeout)" }
261    }
262
263
264#print mainshr1(1)
265send_gdb "print mainshr1(1)\n"
266gdb_expect {
267    -re ".*\[0-9\]* = 2.*$gdb_prompt $" {
268        pass "print mainshr1(1)"
269      }
270    -re ".*$gdb_prompt $" { fail "print  mainshr1(1) from main" }
271    timeout           { fail "(timeout) print mainshr1(1) from main" }
272  }
273
274#step
275    send_gdb "step\n"
276    gdb_expect {
277        -re ".*mainshr1 \\(g=4\\) at.*return 2.g;.*$gdb_prompt $" { pass "step into mainshr1"}
278        -re ".*$gdb_prompt $" { fail "step into mainshr1" }
279        timeout { fail "step into mainshr1 (timeout)" }
280    }
281
282# Start with a fresh gdb.
283
284gdb_exit
285gdb_start
286gdb_reinitialize_dir $srcdir/$subdir
287gdb_load ${binfile}
288send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
289send_gdb "set print address off\n" ; gdb_expect -re "$gdb_prompt $"
290send_gdb "set width 0\n" ; gdb_expect -re "$gdb_prompt $"
291
292# PR's 16495, 18213
293# test that we can re-set breakpoints in shared libraries
294gdb_breakpoint "shr1" "allow-pending"
295
296# FIXME: should not send "run" explicitly.  Non-portable.
297
298if ![is_remote target] {
299  gdb_test "run" "Starting program:.*Breakpoint .,.*" \
300	"run to bp in shared library"
301
302  gdb_test "cont" ".*Program exited normally..*"
303
304  gdb_test "run" "Starting program:.*Breakpoint .,.*" \
305	"re-run to bp in shared library (PR's 16495, 18213)"
306
307  gdb_test "cont" ".*Program exited normally..*"
308}
309
310return 0
311