1 # Copyright 1997-2023 Free Software Foundation, Inc.
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 3 of the License, or
6 # (at your option) any later version.
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.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This file was written by Michael Snyder (msnyder@cygnus.com)
19 # test running programs
25 if {[istarget "m32r-*-*"]} {
26 set linker_script "${srcdir}/${subdir}/m32r.ld"
28 verbose "Skipping overlay test -- not implemented for this target."
32 if {[istarget "*-*-linux*"]} {
33 verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
37 standard_testfile overlays.c ovlymgr.c foo.c bar.c baz.c grbx.c
39 if {[build_executable $testfile.exp $testfile \
40 [list $srcfile $srcfile2 $srcfile3 $srcfile4 $srcfile5 $srcfile6] \
41 "debug ldscript=-Wl,-T$linker_script"] == -1} {
42 untested "failed to compile"
46 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
50 gdb_reinitialize_dir $srcdir/$subdir
54 # set it up at a breakpoint so we can play with the variable values
61 # couple of convenience variables
62 set fptrcast [string_to_regexp "{int (int)}"]
63 set iptrcast [string_to_regexp "(int *)"]
64 set hexx "0x\[0-9abcdefABCDEF\]+"
66 gdb_test_no_output "overlay manual"
67 gdb_test "overlay list" "No sections are mapped." "list with none mapped"
69 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
71 proc get_func_address { func func_sym msg } {
77 send_gdb "print $func\n"
79 -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
80 set func_addr $expect_out(1,string)
83 -re ".*$gdb_prompt $" {
87 fail "get $msg (timeout)"
93 set foo_lma [get_func_address "foo" "\\*foo\\*" "foo load address"]
94 set bar_lma [get_func_address "bar" "\\*bar\\*" "bar load address"]
95 set baz_lma [get_func_address "baz" "\\*baz\\*" "baz load address"]
96 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
99 gdb_test "print \$foox_lma = &foox" \
100 ".* $iptrcast 0x.*" "foox load addr"
101 gdb_test "print \$barx_lma = &barx" \
102 ".* $iptrcast 0x.*" "barx load addr"
103 gdb_test "print \$bazx_lma = &bazx" \
104 ".* $iptrcast 0x.*" "bazx load addr"
105 gdb_test "print \$grbxx_lma = &grbxx" \
106 ".* $iptrcast 0x.*" "grbxx load addr"
109 # map each overlay successively, and
110 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
112 gdb_test "overlay map .ovly0" ""
113 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "list ovly0"
114 set foo_vma [get_func_address "foo" "foo" "foo runtime address"]
116 gdb_test "overlay map .ovly1" ""
117 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "list ovly1"
118 set bar_vma [get_func_address "bar" "bar" "bar runtime address"]
120 gdb_test "overlay map .ovly2" ""
121 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "list ovly2"
122 set baz_vma [get_func_address "baz" "baz" "baz runtime address"]
124 gdb_test "overlay map .ovly3" ""
125 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "list ovly3"
126 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
128 if {$data_overlays} {
129 gdb_test "overlay map .data00" ""
130 gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "list data00"
131 gdb_test "print \$foox_vma = &foox" \
132 ".* $iptrcast 0x.*" "foox runtime addr"
134 gdb_test "overlay map .data01" ""
135 gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "list data01"
136 gdb_test "print \$barx_vma = &barx" \
137 ".* $iptrcast 0x.*" "barx runtime addr"
139 gdb_test "overlay map .data02" ""
140 gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "list data02"
141 gdb_test "print \$bazx_vma = &bazx" \
142 ".* $iptrcast 0x.*" "bazx runtime addr"
144 gdb_test "overlay map .data03" ""
145 gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "list data03"
146 gdb_test "print \$grbxx_vma = &grbxx" \
147 ".* $iptrcast 0x.*" "grbxx runtime addr"
149 # Verify that LMA != VMA
151 gdb_test "print $foo_lma != $foo_vma" ".* = 1" "foo's LMA != VMA"
152 gdb_test "print $bar_lma != $bar_vma" ".* = 1" "bar's LMA != VMA"
153 gdb_test "print $baz_lma != $baz_vma" ".* = 1" "baz's LMA != VMA"
154 gdb_test "print $grbx_lma != $grbx_vma" ".* = 1" "grbx's LMA != VMA"
155 if {$data_overlays} {
156 gdb_test "print \$foox_lma != \$foox_vma" ".* = 1" "foox's LMA != VMA"
157 gdb_test "print \$barx_lma != \$barx_vma" ".* = 1" "barx's LMA != VMA"
158 gdb_test "print \$bazx_lma != \$bazx_vma" ".* = 1" "bazx's LMA != VMA"
159 gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
162 # Verify that early-mapped overlays have been bumped out
163 # by later-mapped overlays layed over in the same VMA range.
165 send_gdb "overlay list\n"
167 -re ".*ovly0, " { fail ".ovly0 not unmapped by .ovly1" }
168 -re ".*ovly2, " { fail ".ovly2 not unmapped by .ovly3" }
169 -re ".*data00," { fail ".data00 not unmapped by .data01" }
170 -re ".*data02," { fail ".data02 not unmapped by .data03" }
171 -re ".*$gdb_prompt $" { pass "automatic unmapping" }
172 timeout { fail "(timeout) Automatic unmapping" }
175 # Verify that both sec1 and sec2 can be loaded simultaneously.
176 proc simultaneous_pair { sec1 sec2 } {
179 set pairname "$sec1 and $sec2 mapped simultaneously"
180 gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
181 gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
186 send_gdb "overlay list\n"
188 -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
189 -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
190 -re ".*$gdb_prompt $" {
191 if {$seen_sec1 && $seen_sec2} {
197 timeout { fail "(timeout) $pairname" }
201 simultaneous_pair .ovly0 .ovly2
202 simultaneous_pair .ovly0 .ovly3
203 simultaneous_pair .ovly1 .ovly2
204 simultaneous_pair .ovly1 .ovly3
206 if {$data_overlays} {
207 simultaneous_pair .data00 .data02
208 simultaneous_pair .data00 .data03
209 simultaneous_pair .data01 .data02
210 simultaneous_pair .data01 .data03
213 # test automatic mode
215 gdb_test_no_output "overlay auto"
216 gdb_test "overlay list" "No sections are mapped." "list none mapped (auto)"
217 gdb_test "break foo" "Breakpoint .*at .*file .*foo.c.*" "break foo"
218 gdb_test "break bar" "Breakpoint .*at .*file .*bar.c.*" "break bar"
219 gdb_test "break baz" "Breakpoint .*at .*file .*baz.c.*" "break baz"
220 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
222 send_gdb "continue\n"
224 -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass "hit foo" }
225 -re ".*$gdb_prompt $" { fail "hit foo" }
226 timeout { fail "(timeout) hit foo" }
229 send_gdb "backtrace\n"
231 -re "#0 .*foo .*#1 .*main .*$gdb_prompt $" { pass "BT foo" }
232 -re ".*$gdb_prompt $" { fail "BT foo" }
233 timeout { fail "(timeout) BT foo" }
237 send_gdb "continue\n"
239 -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass "hit bar" }
240 -re ".*$gdb_prompt $" { fail "hit bar" }
241 timeout { fail "(timeout) hit bar" }
244 send_gdb "backtrace\n"
246 -re "#0 .*bar .*#1 .*main .*$gdb_prompt $" { pass "BT bar" }
247 -re ".*$gdb_prompt $" { fail "BT bar" }
248 timeout { fail "(timeout) BT bar" }
251 send_gdb "continue\n"
253 -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass "hit baz" }
254 -re ".*$gdb_prompt $" { fail "hit baz" }
255 timeout { fail "(timeout) hit baz" }
258 send_gdb "backtrace\n"
260 -re "#0 .*baz .*#1 .*main .*$gdb_prompt $" { pass "BT baz" }
261 -re ".*$gdb_prompt $" { fail "BT baz" }
262 timeout { fail "(timeout) BT baz" }
265 send_gdb "continue\n"
267 -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass "hit grbx" }
268 -re ".*$gdb_prompt $" { fail "hit grbx" }
269 timeout { fail "(timeout) hit grbx" }
272 send_gdb "backtrace\n"
274 -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $" { pass "BT grbx" }
275 -re ".*$gdb_prompt $" { fail "BT grbx" }
276 timeout { fail "(timeout) BT grbx" }