1# Copyright 1997-2019 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 "failed to compile" 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 fail "can't run to main" 62 return 0 63} 64 65# couple of convenience variables 66set fptrcast [string_to_regexp "{int (int)}"] 67set iptrcast [string_to_regexp "(int *)"] 68set hexx "0x\[0-9abcdefABCDEF\]+" 69 70gdb_test_no_output "overlay manual" 71gdb_test "overlay list" "No sections are mapped." "list with none mapped" 72 73# capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx] 74 75proc get_func_address { func func_sym msg } { 76 global gdb_prompt 77 global fptrcast 78 global hexx 79 80 set func_addr 0 81 send_gdb "print $func\n" 82 gdb_expect { 83 -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" { 84 set func_addr $expect_out(1,string) 85 pass "get $msg" 86 } 87 -re ".*$gdb_prompt $" { 88 fail "get $msg" 89 } 90 default { 91 fail "get $msg (timeout)" 92 } 93 } 94 return $func_addr 95} 96 97set foo_lma [get_func_address "foo" "\\*foo\\*" "foo load address"] 98set bar_lma [get_func_address "bar" "\\*bar\\*" "bar load address"] 99set baz_lma [get_func_address "baz" "\\*baz\\*" "baz load address"] 100set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"] 101 102if $data_overlays then { 103 gdb_test "print \$foox_lma = &foox" \ 104 ".* $iptrcast 0x.*" "foox load addr" 105 gdb_test "print \$barx_lma = &barx" \ 106 ".* $iptrcast 0x.*" "barx load addr" 107 gdb_test "print \$bazx_lma = &bazx" \ 108 ".* $iptrcast 0x.*" "bazx load addr" 109 gdb_test "print \$grbxx_lma = &grbxx" \ 110 ".* $iptrcast 0x.*" "grbxx load addr" 111} 112 113# map each overlay successively, and 114# capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx] 115 116gdb_test "overlay map .ovly0" "" 117gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "list ovly0" 118set foo_vma [get_func_address "foo" "foo" "foo runtime address"] 119 120gdb_test "overlay map .ovly1" "" 121gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "list ovly1" 122set bar_vma [get_func_address "bar" "bar" "bar runtime address"] 123 124gdb_test "overlay map .ovly2" "" 125gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "list ovly2" 126set baz_vma [get_func_address "baz" "baz" "baz runtime address"] 127 128gdb_test "overlay map .ovly3" "" 129gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "list ovly3" 130set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"] 131 132if $data_overlays then { 133 gdb_test "overlay map .data00" "" 134 gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "list data00" 135 gdb_test "print \$foox_vma = &foox" \ 136 ".* $iptrcast 0x.*" "foox runtime addr" 137 138 gdb_test "overlay map .data01" "" 139 gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "list data01" 140 gdb_test "print \$barx_vma = &barx" \ 141 ".* $iptrcast 0x.*" "barx runtime addr" 142 143 gdb_test "overlay map .data02" "" 144 gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "list data02" 145 gdb_test "print \$bazx_vma = &bazx" \ 146 ".* $iptrcast 0x.*" "bazx runtime addr" 147 148 gdb_test "overlay map .data03" "" 149 gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "list data03" 150 gdb_test "print \$grbxx_vma = &grbxx" \ 151 ".* $iptrcast 0x.*" "grbxx runtime addr" 152} 153# Verify that LMA != VMA 154 155gdb_test "print $foo_lma != $foo_vma" ".* = 1" "foo's LMA != VMA" 156gdb_test "print $bar_lma != $bar_vma" ".* = 1" "bar's LMA != VMA" 157gdb_test "print $baz_lma != $baz_vma" ".* = 1" "baz's LMA != VMA" 158gdb_test "print $grbx_lma != $grbx_vma" ".* = 1" "grbx's LMA != VMA" 159if $data_overlays then { 160 gdb_test "print \$foox_lma != \$foox_vma" ".* = 1" "foox's LMA != VMA" 161 gdb_test "print \$barx_lma != \$barx_vma" ".* = 1" "barx's LMA != VMA" 162 gdb_test "print \$bazx_lma != \$bazx_vma" ".* = 1" "bazx's LMA != VMA" 163 gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA" 164} 165 166# Verify that early-mapped overlays have been bumped out 167# by later-mapped overlays layed over in the same VMA range. 168 169send_gdb "overlay list\n" 170gdb_expect { 171 -re ".*ovly0, " { fail ".ovly0 not unmapped by .ovly1" } 172 -re ".*ovly2, " { fail ".ovly2 not unmapped by .ovly3" } 173 -re ".*data00," { fail ".data00 not unmapped by .data01" } 174 -re ".*data02," { fail ".data02 not unmapped by .data03" } 175 -re ".*$gdb_prompt $" { pass "automatic unmapping" } 176 timeout { fail "(timeout) Automatic unmapping" } 177} 178 179# Verify that both sec1 and sec2 can be loaded simultaneously. 180proc simultaneous_pair { sec1 sec2 } { 181 global gdb_prompt 182 183 set pairname "$sec1 and $sec2 mapped simultaneously" 184 gdb_test "overlay map $sec1" "" "$pairname: map $sec1" 185 gdb_test "overlay map $sec2" "" "$pairname: map $sec2" 186 187 set seen_sec1 0 188 set seen_sec2 0 189 190 send_gdb "overlay list\n" 191 gdb_expect { 192 -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue } 193 -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue } 194 -re ".*$gdb_prompt $" { 195 if {$seen_sec1 && $seen_sec2} { 196 pass "$pairname" 197 } else { 198 fail "$pairname" 199 } 200 } 201 timeout { fail "(timeout) $pairname" } 202 } 203} 204 205simultaneous_pair .ovly0 .ovly2 206simultaneous_pair .ovly0 .ovly3 207simultaneous_pair .ovly1 .ovly2 208simultaneous_pair .ovly1 .ovly3 209 210if $data_overlays then { 211 simultaneous_pair .data00 .data02 212 simultaneous_pair .data00 .data03 213 simultaneous_pair .data01 .data02 214 simultaneous_pair .data01 .data03 215} 216 217# test automatic mode 218 219gdb_test_no_output "overlay auto" 220gdb_test "overlay list" "No sections are mapped." "list none mapped (auto)" 221gdb_test "break foo" "Breakpoint .*at .*file .*foo.c.*" "break foo" 222gdb_test "break bar" "Breakpoint .*at .*file .*bar.c.*" "break bar" 223gdb_test "break baz" "Breakpoint .*at .*file .*baz.c.*" "break baz" 224gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx" 225 226send_gdb "continue\n" 227gdb_expect { 228 -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass "hit foo" } 229 -re ".*$gdb_prompt $" { fail "hit foo" } 230 timeout { fail "(timeout) hit foo" } 231} 232 233send_gdb "backtrace\n" 234gdb_expect { 235 -re "#0 .*foo .*#1 .*main .*$gdb_prompt $" { pass "BT foo" } 236 -re ".*$gdb_prompt $" { fail "BT foo" } 237 timeout { fail "(timeout) BT foo" } 238} 239 240 241send_gdb "continue\n" 242gdb_expect { 243 -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass "hit bar" } 244 -re ".*$gdb_prompt $" { fail "hit bar" } 245 timeout { fail "(timeout) hit bar" } 246} 247 248send_gdb "backtrace\n" 249gdb_expect { 250 -re "#0 .*bar .*#1 .*main .*$gdb_prompt $" { pass "BT bar" } 251 -re ".*$gdb_prompt $" { fail "BT bar" } 252 timeout { fail "(timeout) BT bar" } 253} 254 255send_gdb "continue\n" 256gdb_expect { 257 -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass "hit baz" } 258 -re ".*$gdb_prompt $" { fail "hit baz" } 259 timeout { fail "(timeout) hit baz" } 260} 261 262send_gdb "backtrace\n" 263gdb_expect { 264 -re "#0 .*baz .*#1 .*main .*$gdb_prompt $" { pass "BT baz" } 265 -re ".*$gdb_prompt $" { fail "BT baz" } 266 timeout { fail "(timeout) BT baz" } 267} 268 269send_gdb "continue\n" 270gdb_expect { 271 -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass "hit grbx" } 272 -re ".*$gdb_prompt $" { fail "hit grbx" } 273 timeout { fail "(timeout) hit grbx" } 274} 275 276send_gdb "backtrace\n" 277gdb_expect { 278 -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $" { pass "BT grbx" } 279 -re ".*$gdb_prompt $" { fail "BT grbx" } 280 timeout { fail "(timeout) BT grbx" } 281} 282 283