gdb/testsuite/gdb.base/overlays.exp

   1 # Copyright 1997-2014 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
  23 set data_overlays 1
  24
  25 if [istarget "d10v-*-*"] then {
  26     set linker_script "${srcdir}/${subdir}/d10v.ld"
  27 } elseif [istarget "m32r-*-*"] then {
  28     set linker_script "${srcdir}/${subdir}/m32r.ld"
  29 } elseif [istarget "spu-*-*"] then {
  30     set linker_script "${srcdir}/${subdir}/spu.ld"
  31     set data_overlays 0
  32 } else {
  33     verbose "Skipping overlay test -- not implemented for this target."
  34     return
  35 }
  36
  37 if [istarget "*-*-linux*"] then {
  38     verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
  39     return
  40 }
  41
  42 standard_testfile overlays.c ovlymgr.c foo.c bar.c baz.c grbx.c
  43
  44 if {[build_executable $testfile.exp $testfile \
  45          [list $srcfile $srcfile2 $srcfile3 $srcfile4 $srcfile5 $srcfile6] \
  46          {debug ldscript=-Wl,-T$linker_script}] == -1} {
  47      untested overlays.exp
  48      return -1
  49 }
  50
  51 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  52
  53
  54 gdb_start
  55 gdb_reinitialize_dir $srcdir/$subdir
  56 gdb_load ${binfile}
  57
  58 #
  59 # set it up at a breakpoint so we can play with the variable values
  60 #
  61
  62 if ![runto_main] then {
  63     gdb_suppress_tests
  64 }
  65
  66 # couple of convenience variables
  67 set fptrcast [string_to_regexp "{int (int)}"]
  68 set iptrcast [string_to_regexp "(int *)"]
  69 set hexx "0x\[0-9abcdefABCDEF\]+"
  70
  71 gdb_test_no_output "overlay manual"
  72 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
  73
  74 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
  75
  76 proc get_func_address { func func_sym msg } {
  77     global gdb_prompt
  78     global fptrcast
  79     global hexx
  80
  81     set func_addr 0
  82     send_gdb "print $func\n"
  83     gdb_expect {
  84         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
  85             set func_addr $expect_out(1,string)
  86             pass "get $msg"
  87         }
  88         -re ".*$gdb_prompt $" {
  89             fail "get $msg"
  90         }
  91         default {
  92             fail "get $msg (timeout)"
  93         }
  94     }
  95     return $func_addr
  96 }
  97
  98 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
  99 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 100 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 101 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 102
 103 if $data_overlays then {
 104     gdb_test "print \$foox_lma = &foox" \
 105         ".* $iptrcast 0x.*"  "foox load addr"
 106     gdb_test "print \$barx_lma = &barx" \
 107         ".* $iptrcast 0x.*"  "barx load addr"
 108     gdb_test "print \$bazx_lma = &bazx" \
 109         ".* $iptrcast 0x.*"  "bazx load addr"
 110     gdb_test "print \$grbxx_lma = &grbxx" \
 111         ".* $iptrcast 0x.*" "grbxx load addr"
 112 }
 113
 114 # map each overlay successively, and
 115 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 116
 117 gdb_test "overlay map .ovly0" ""
 118 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 119 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 120
 121 gdb_test "overlay map .ovly1" ""
 122 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 123 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 124
 125 gdb_test "overlay map .ovly2" ""
 126 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 127 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 128
 129 gdb_test "overlay map .ovly3" ""
 130 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 131 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 132
 133 if $data_overlays then {
 134     gdb_test "overlay map .data00" ""
 135     gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 136     gdb_test "print \$foox_vma = &foox" \
 137         ".* $iptrcast 0x.*"  "foox runtime addr"
 138
 139     gdb_test "overlay map .data01" ""
 140     gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 141     gdb_test "print \$barx_vma = &barx" \
 142         ".* $iptrcast 0x.*"  "barx runtime addr"
 143
 144     gdb_test "overlay map .data02" ""
 145     gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 146     gdb_test "print \$bazx_vma = &bazx" \
 147         ".* $iptrcast 0x.*"  "bazx runtime addr"
 148
 149     gdb_test "overlay map .data03" ""
 150     gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 151     gdb_test "print \$grbxx_vma = &grbxx" \
 152         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 153 }
 154 # Verify that LMA != VMA
 155
 156 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 157 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 158 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 159 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 160 if $data_overlays then {
 161     gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 162     gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 163     gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 164     gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 165 }
 166
 167 # Verify that early-mapped overlays have been bumped out
 168 # by later-mapped overlays layed over in the same VMA range.
 169
 170 send_gdb "overlay list\n"
 171 gdb_expect {
 172     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 173     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 174     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 175     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 176     -re ".*$gdb_prompt $"       { pass "Automatic unmapping"             }
 177     timeout                     { fail "(timeout) Automatic unmapping"   }
 178 }
 179
 180 # Verify that both sec1 and sec2 can be loaded simultaneously.
 181 proc simultaneous_pair { sec1 sec2 } {
 182     global gdb_prompt
 183
 184     set pairname "$sec1 and $sec2 mapped simultaneously"
 185     gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
 186     gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
 187
 188     set seen_sec1 0
 189     set seen_sec2 0
 190
 191     send_gdb "overlay list\n"
 192     gdb_expect {
 193         -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
 194         -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
 195         -re ".*$gdb_prompt $" {
 196             if {$seen_sec1 && $seen_sec2} {
 197                 pass "$pairname"
 198             } else {
 199                 fail "$pairname"
 200             }
 201         }
 202         timeout { fail "(timeout) $pairname" }
 203     }
 204 }
 205
 206 simultaneous_pair .ovly0 .ovly2
 207 simultaneous_pair .ovly0 .ovly3
 208 simultaneous_pair .ovly1 .ovly2
 209 simultaneous_pair .ovly1 .ovly3
 210
 211 if $data_overlays then {
 212     simultaneous_pair .data00 .data02
 213     simultaneous_pair .data00 .data03
 214     simultaneous_pair .data01 .data02
 215     simultaneous_pair .data01 .data03
 216 }
 217
 218 # test automatic mode
 219
 220 gdb_test_no_output "overlay auto"
 221 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 222 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 223 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 224 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 225 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 226
 227 send_gdb "continue\n"
 228 gdb_expect {
 229     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 230     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 231     timeout                                  { fail "(timeout) hit foo" }
 232 }
 233
 234 send_gdb "backtrace\n"
 235 gdb_expect {
 236     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 237     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 238     timeout                                  { fail "(timeout) BT foo" }
 239 }
 240
 241
 242 send_gdb "continue\n"
 243 gdb_expect {
 244     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 245     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 246     timeout                                  { fail "(timeout) hit bar" }
 247 }
 248
 249 send_gdb "backtrace\n"
 250 gdb_expect {
 251     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 252     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 253     timeout                                  { fail "(timeout) BT bar" }
 254 }
 255
 256 send_gdb "continue\n"
 257 gdb_expect {
 258     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 259     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 260     timeout                                  { fail "(timeout) hit baz" }
 261 }
 262
 263 send_gdb "backtrace\n"
 264 gdb_expect {
 265     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 266     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 267     timeout                                  { fail "(timeout) BT baz" }
 268 }
 269
 270 send_gdb "continue\n"
 271 gdb_expect {
 272     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 273     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 274     timeout                                   { fail "(timeout) hit grbx" }
 275 }
 276
 277 send_gdb "backtrace\n"
 278 gdb_expect {
 279     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 280     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 281     timeout                                  { fail "(timeout) BT grbx" }
 282 }
 283