gdb/testsuite/gdb.base/overlays.exp

   1 # Copyright 1997-2013 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 set testfile "overlays"
  43 set binfile ${objdir}/${subdir}/${testfile}
  44 set srcfile ${testfile}.c
  45
  46 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${testfile}.o" object {debug}] != ""} then {
  47      untested overlays.exp
  48      return -1
  49 }
  50 if {[gdb_compile "${srcdir}/${subdir}/ovlymgr.c" ovlymgr.o object {debug}] != ""} then {
  51      untested overlays.exp
  52      return -1
  53 }
  54 if {[gdb_compile "${srcdir}/${subdir}/foo.c" foo.o object {debug} ] != ""} then {
  55      untested overlays.exp
  56      return -1
  57 }
  58
  59 if {[gdb_compile "${srcdir}/${subdir}/bar.c" bar.o object {debug}] != ""} then {
  60      untested overlays.exp
  61      return -1
  62 }
  63 if {[gdb_compile "${srcdir}/${subdir}/baz.c" baz.o object {debug}] != ""} then {
  64      untested overlays.exp
  65      return -1
  66 }
  67 if {[gdb_compile "${srcdir}/${subdir}/grbx.c" grbx.o object {debug}] != ""} then {
  68      untested overlays.exp
  69      return -1
  70 }
  71 if  {[gdb_compile "${testfile}.o ovlymgr.o foo.o bar.o baz.o grbx.o" ${binfile} executable "ldscript=-Wl,-T$linker_script"] != "" } {
  72      untested overlays.exp
  73      return -1
  74 }
  75
  76 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  77
  78
  79 gdb_start
  80 gdb_reinitialize_dir $srcdir/$subdir
  81 gdb_load ${binfile}
  82
  83 #
  84 # set it up at a breakpoint so we can play with the variable values
  85 #
  86
  87 if ![runto_main] then {
  88     gdb_suppress_tests;
  89 }
  90
  91 # couple of convenience variables
  92 set fptrcast [string_to_regexp "{int (int)}"]
  93 set iptrcast [string_to_regexp "(int *)"]
  94 set hexx "0x\[0-9abcdefABCDEF\]+"
  95
  96 gdb_test_no_output "overlay manual"
  97 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
  98
  99 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 100
 101 proc get_func_address { func func_sym msg } {
 102     global gdb_prompt
 103     global fptrcast
 104     global hexx
 105
 106     set func_addr 0
 107     send_gdb "print $func\n"
 108     gdb_expect {
 109         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
 110             set func_addr $expect_out(1,string)
 111             pass "get $msg"
 112         }
 113         -re ".*$gdb_prompt $" {
 114             fail "get $msg"
 115         }
 116         default {
 117             fail "get $msg (timeout)"
 118         }
 119     }
 120     return $func_addr
 121 }
 122
 123 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
 124 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 125 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 126 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 127
 128 if $data_overlays then {
 129     gdb_test "print \$foox_lma = &foox" \
 130         ".* $iptrcast 0x.*"  "foox load addr"
 131     gdb_test "print \$barx_lma = &barx" \
 132         ".* $iptrcast 0x.*"  "barx load addr"
 133     gdb_test "print \$bazx_lma = &bazx" \
 134         ".* $iptrcast 0x.*"  "bazx load addr"
 135     gdb_test "print \$grbxx_lma = &grbxx" \
 136         ".* $iptrcast 0x.*" "grbxx load addr"
 137 }
 138
 139 # map each overlay successively, and
 140 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 141
 142 gdb_test "overlay map .ovly0" ""
 143 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 144 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 145
 146 gdb_test "overlay map .ovly1" ""
 147 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 148 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 149
 150 gdb_test "overlay map .ovly2" ""
 151 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 152 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 153
 154 gdb_test "overlay map .ovly3" ""
 155 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 156 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 157
 158 if $data_overlays then {
 159     gdb_test "overlay map .data00" ""
 160     gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 161     gdb_test "print \$foox_vma = &foox" \
 162         ".* $iptrcast 0x.*"  "foox runtime addr"
 163
 164     gdb_test "overlay map .data01" ""
 165     gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 166     gdb_test "print \$barx_vma = &barx" \
 167         ".* $iptrcast 0x.*"  "barx runtime addr"
 168
 169     gdb_test "overlay map .data02" ""
 170     gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 171     gdb_test "print \$bazx_vma = &bazx" \
 172         ".* $iptrcast 0x.*"  "bazx runtime addr"
 173
 174     gdb_test "overlay map .data03" ""
 175     gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 176     gdb_test "print \$grbxx_vma = &grbxx" \
 177         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 178 }
 179 # Verify that LMA != VMA
 180
 181 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 182 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 183 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 184 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 185 if $data_overlays then {
 186     gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 187     gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 188     gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 189     gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 190 }
 191
 192 # Verify that early-mapped overlays have been bumped out
 193 # by later-mapped overlays layed over in the same VMA range.
 194
 195 send_gdb "overlay list\n"
 196 gdb_expect {
 197     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 198     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 199     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 200     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 201     -re ".*$gdb_prompt $"       { pass "Automatic unmapping"             }
 202     timeout                     { fail "(timeout) Automatic unmapping"   }
 203 }
 204
 205 # Verify that both sec1 and sec2 can be loaded simultaneously.
 206 proc simultaneous_pair { sec1 sec2 } {
 207     global gdb_prompt
 208
 209     set pairname "$sec1 and $sec2 mapped simultaneously"
 210     gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
 211     gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
 212
 213     set seen_sec1 0
 214     set seen_sec2 0
 215
 216     send_gdb "overlay list\n"
 217     gdb_expect {
 218         -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
 219         -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
 220         -re ".*$gdb_prompt $" {
 221             if {$seen_sec1 && $seen_sec2} {
 222                 pass "$pairname"
 223             } else {
 224                 fail "$pairname"
 225             }
 226         }
 227         timeout { fail "(timeout) $pairname" }
 228     }
 229 }
 230
 231 simultaneous_pair .ovly0 .ovly2
 232 simultaneous_pair .ovly0 .ovly3
 233 simultaneous_pair .ovly1 .ovly2
 234 simultaneous_pair .ovly1 .ovly3
 235
 236 if $data_overlays then {
 237     simultaneous_pair .data00 .data02
 238     simultaneous_pair .data00 .data03
 239     simultaneous_pair .data01 .data02
 240     simultaneous_pair .data01 .data03
 241 }
 242
 243 # test automatic mode
 244
 245 gdb_test_no_output "overlay auto"
 246 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 247 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 248 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 249 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 250 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 251
 252 send_gdb "continue\n"
 253 gdb_expect {
 254     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 255     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 256     timeout                                  { fail "(timeout) hit foo" }
 257 }
 258
 259 send_gdb "backtrace\n"
 260 gdb_expect {
 261     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 262     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 263     timeout                                  { fail "(timeout) BT foo" }
 264 }
 265
 266
 267 send_gdb "continue\n"
 268 gdb_expect {
 269     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 270     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 271     timeout                                  { fail "(timeout) hit bar" }
 272 }
 273
 274 send_gdb "backtrace\n"
 275 gdb_expect {
 276     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 277     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 278     timeout                                  { fail "(timeout) BT bar" }
 279 }
 280
 281 send_gdb "continue\n"
 282 gdb_expect {
 283     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 284     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 285     timeout                                  { fail "(timeout) hit baz" }
 286 }
 287
 288 send_gdb "backtrace\n"
 289 gdb_expect {
 290     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 291     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 292     timeout                                  { fail "(timeout) BT baz" }
 293 }
 294
 295 send_gdb "continue\n"
 296 gdb_expect {
 297     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 298     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 299     timeout                                   { fail "(timeout) hit grbx" }
 300 }
 301
 302 send_gdb "backtrace\n"
 303 gdb_expect {
 304     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 305     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 306     timeout                                  { fail "(timeout) BT grbx" }
 307 }
 308