1# Copyright 1997-2016 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 3 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, see <http://www.gnu.org/licenses/>. 15# 16# This file was written by Michael Snyder (msnyder@cygnus.com) 17 18# 19# test running programs 20# 21 22 23set data_overlays 1 24 25if [istarget "m32r-*-*"] then { 26 set linker_script "${srcdir}/${subdir}/m32r.ld" 27} elseif [istarget "spu-*-*"] then { 28 set linker_script "${srcdir}/${subdir}/spu.ld" 29 set data_overlays 0 30} else { 31 verbose "Skipping overlay test -- not implemented for this target." 32 return 33} 34 35if [istarget "*-*-linux*"] then { 36 verbose "Skipping overlay test -- Linux doesn't support overlayed programs." 37 return 38} 39 40standard_testfile overlays.c ovlymgr.c foo.c bar.c baz.c grbx.c 41 42if {[build_executable $testfile.exp $testfile \ 43 [list $srcfile $srcfile2 $srcfile3 $srcfile4 $srcfile5 $srcfile6] \ 44 {debug ldscript=-Wl,-T$linker_script}] == -1} { 45 untested overlays.exp 46 return -1 47} 48 49remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}" 50 51 52gdb_start 53gdb_reinitialize_dir $srcdir/$subdir 54gdb_load ${binfile} 55 56# 57# set it up at a breakpoint so we can play with the variable values 58# 59 60if ![runto_main] then { 61 gdb_suppress_tests 62} 63 64# couple of convenience variables 65set fptrcast [string_to_regexp "{int (int)}"] 66set iptrcast [string_to_regexp "(int *)"] 67set hexx "0x\[0-9abcdefABCDEF\]+" 68 69gdb_test_no_output "overlay manual" 70gdb_test "overlay list" "No sections are mapped." "List with none mapped" 71 72# capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx] 73 74proc get_func_address { func func_sym msg } { 75 global gdb_prompt 76 global fptrcast 77 global hexx 78 79 set func_addr 0 80 send_gdb "print $func\n" 81 gdb_expect { 82 -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" { 83 set func_addr $expect_out(1,string) 84 pass "get $msg" 85 } 86 -re ".*$gdb_prompt $" { 87 fail "get $msg" 88 } 89 default { 90 fail "get $msg (timeout)" 91 } 92 } 93 return $func_addr 94} 95 96set foo_lma [get_func_address "foo" "\\*foo\\*" "foo load address"] 97set bar_lma [get_func_address "bar" "\\*bar\\*" "bar load address"] 98set baz_lma [get_func_address "baz" "\\*baz\\*" "baz load address"] 99set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"] 100 101if $data_overlays then { 102 gdb_test "print \$foox_lma = &foox" \ 103 ".* $iptrcast 0x.*" "foox load addr" 104 gdb_test "print \$barx_lma = &barx" \ 105 ".* $iptrcast 0x.*" "barx load addr" 106 gdb_test "print \$bazx_lma = &bazx" \ 107 ".* $iptrcast 0x.*" "bazx load addr" 108 gdb_test "print \$grbxx_lma = &grbxx" \ 109 ".* $iptrcast 0x.*" "grbxx load addr" 110} 111 112# map each overlay successively, and 113# capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx] 114 115gdb_test "overlay map .ovly0" "" 116gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0" 117set foo_vma [get_func_address "foo" "foo" "foo runtime address"] 118 119gdb_test "overlay map .ovly1" "" 120gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1" 121set bar_vma [get_func_address "bar" "bar" "bar runtime address"] 122 123gdb_test "overlay map .ovly2" "" 124gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2" 125set baz_vma [get_func_address "baz" "baz" "baz runtime address"] 126 127gdb_test "overlay map .ovly3" "" 128gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3" 129set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"] 130 131if $data_overlays then { 132 gdb_test "overlay map .data00" "" 133 gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00" 134 gdb_test "print \$foox_vma = &foox" \ 135 ".* $iptrcast 0x.*" "foox runtime addr" 136 137 gdb_test "overlay map .data01" "" 138 gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01" 139 gdb_test "print \$barx_vma = &barx" \ 140 ".* $iptrcast 0x.*" "barx runtime addr" 141 142 gdb_test "overlay map .data02" "" 143 gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02" 144 gdb_test "print \$bazx_vma = &bazx" \ 145 ".* $iptrcast 0x.*" "bazx runtime addr" 146 147 gdb_test "overlay map .data03" "" 148 gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03" 149 gdb_test "print \$grbxx_vma = &grbxx" \ 150 ".* $iptrcast 0x.*" "grbxx runtime addr" 151} 152# Verify that LMA != VMA 153 154gdb_test "print $foo_lma != $foo_vma" ".* = 1" "foo's LMA != VMA" 155gdb_test "print $bar_lma != $bar_vma" ".* = 1" "bar's LMA != VMA" 156gdb_test "print $baz_lma != $baz_vma" ".* = 1" "baz's LMA != VMA" 157gdb_test "print $grbx_lma != $grbx_vma" ".* = 1" "grbx's LMA != VMA" 158if $data_overlays then { 159 gdb_test "print \$foox_lma != \$foox_vma" ".* = 1" "foox's LMA != VMA" 160 gdb_test "print \$barx_lma != \$barx_vma" ".* = 1" "barx's LMA != VMA" 161 gdb_test "print \$bazx_lma != \$bazx_vma" ".* = 1" "bazx's LMA != VMA" 162 gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA" 163} 164 165# Verify that early-mapped overlays have been bumped out 166# by later-mapped overlays layed over in the same VMA range. 167 168send_gdb "overlay list\n" 169gdb_expect { 170 -re ".*ovly0, " { fail ".ovly0 not unmapped by .ovly1" } 171 -re ".*ovly2, " { fail ".ovly2 not unmapped by .ovly3" } 172 -re ".*data00," { fail ".data00 not unmapped by .data01" } 173 -re ".*data02," { fail ".data02 not unmapped by .data03" } 174 -re ".*$gdb_prompt $" { pass "Automatic unmapping" } 175 timeout { fail "(timeout) Automatic unmapping" } 176} 177 178# Verify that both sec1 and sec2 can be loaded simultaneously. 179proc simultaneous_pair { sec1 sec2 } { 180 global gdb_prompt 181 182 set pairname "$sec1 and $sec2 mapped simultaneously" 183 gdb_test "overlay map $sec1" "" "$pairname: map $sec1" 184 gdb_test "overlay map $sec2" "" "$pairname: map $sec2" 185 186 set seen_sec1 0 187 set seen_sec2 0 188 189 send_gdb "overlay list\n" 190 gdb_expect { 191 -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue } 192 -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue } 193 -re ".*$gdb_prompt $" { 194 if {$seen_sec1 && $seen_sec2} { 195 pass "$pairname" 196 } else { 197 fail "$pairname" 198 } 199 } 200 timeout { fail "(timeout) $pairname" } 201 } 202} 203 204simultaneous_pair .ovly0 .ovly2 205simultaneous_pair .ovly0 .ovly3 206simultaneous_pair .ovly1 .ovly2 207simultaneous_pair .ovly1 .ovly3 208 209if $data_overlays then { 210 simultaneous_pair .data00 .data02 211 simultaneous_pair .data00 .data03 212 simultaneous_pair .data01 .data02 213 simultaneous_pair .data01 .data03 214} 215 216# test automatic mode 217 218gdb_test_no_output "overlay auto" 219gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)" 220gdb_test "break foo" "Breakpoint .*at .*file .*foo.c.*" "break foo" 221gdb_test "break bar" "Breakpoint .*at .*file .*bar.c.*" "break bar" 222gdb_test "break baz" "Breakpoint .*at .*file .*baz.c.*" "break baz" 223gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx" 224 225send_gdb "continue\n" 226gdb_expect { 227 -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass "hit foo" } 228 -re ".*$gdb_prompt $" { fail "hit foo" } 229 timeout { fail "(timeout) hit foo" } 230} 231 232send_gdb "backtrace\n" 233gdb_expect { 234 -re "#0 .*foo .*#1 .*main .*$gdb_prompt $" { pass "BT foo" } 235 -re ".*$gdb_prompt $" { fail "BT foo" } 236 timeout { fail "(timeout) BT foo" } 237} 238 239 240send_gdb "continue\n" 241gdb_expect { 242 -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass "hit bar" } 243 -re ".*$gdb_prompt $" { fail "hit bar" } 244 timeout { fail "(timeout) hit bar" } 245} 246 247send_gdb "backtrace\n" 248gdb_expect { 249 -re "#0 .*bar .*#1 .*main .*$gdb_prompt $" { pass "BT bar" } 250 -re ".*$gdb_prompt $" { fail "BT bar" } 251 timeout { fail "(timeout) BT bar" } 252} 253 254send_gdb "continue\n" 255gdb_expect { 256 -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass "hit baz" } 257 -re ".*$gdb_prompt $" { fail "hit baz" } 258 timeout { fail "(timeout) hit baz" } 259} 260 261send_gdb "backtrace\n" 262gdb_expect { 263 -re "#0 .*baz .*#1 .*main .*$gdb_prompt $" { pass "BT baz" } 264 -re ".*$gdb_prompt $" { fail "BT baz" } 265 timeout { fail "(timeout) BT baz" } 266} 267 268send_gdb "continue\n" 269gdb_expect { 270 -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass "hit grbx" } 271 -re ".*$gdb_prompt $" { fail "hit grbx" } 272 timeout { fail "(timeout) hit grbx" } 273} 274 275send_gdb "backtrace\n" 276gdb_expect { 277 -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $" { pass "BT grbx" } 278 -re ".*$gdb_prompt $" { fail "BT grbx" } 279 timeout { fail "(timeout) BT grbx" } 280} 281 282