gdb/testsuite/gdb.base/overlays.exp

   1 # Copyright 1997, 1998, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
   2 # Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # This file was written by Michael Snyder (msnyder@cygnus.com)
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 #
  24 # test running programs
  25 #
  26
  27
  28 set data_overlays 1
  29
  30 if [istarget "d10v-*-*"] then {
  31     set linker_script "${srcdir}/${subdir}/d10v.ld";
  32 } elseif [istarget "m32r-*-*"] then {
  33     set linker_script "${srcdir}/${subdir}/m32r.ld";
  34 } elseif [istarget "spu-*-*"] then {
  35     set linker_script "${srcdir}/${subdir}/spu.ld";
  36     set data_overlays 0
  37 } else {
  38     verbose "Skipping overlay test -- not implemented for this target."
  39     return
  40 }
  41
  42 if [istarget "*-*-linux*"] then {
  43     verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
  44     return
  45 }
  46
  47 set testfile "overlays"
  48 set binfile ${objdir}/${subdir}/${testfile}
  49 set srcfile ${testfile}.c
  50
  51 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${testfile}.o" object {debug}] != ""} then {
  52      untested overlays.exp
  53      return -1
  54 }
  55 if {[gdb_compile "${srcdir}/${subdir}/ovlymgr.c" ovlymgr.o object {debug}] != ""} then {
  56      untested overlays.exp
  57      return -1
  58 }
  59 if {[gdb_compile "${srcdir}/${subdir}/foo.c" foo.o object {debug} ] != ""} then {
  60      untested overlays.exp
  61      return -1
  62 }
  63
  64 if {[gdb_compile "${srcdir}/${subdir}/bar.c" bar.o object {debug}] != ""} then {
  65      untested overlays.exp
  66      return -1
  67 }
  68 if {[gdb_compile "${srcdir}/${subdir}/baz.c" baz.o object {debug}] != ""} then {
  69      untested overlays.exp
  70      return -1
  71 }
  72 if {[gdb_compile "${srcdir}/${subdir}/grbx.c" grbx.o object {debug}] != ""} then {
  73      untested overlays.exp
  74      return -1
  75 }
  76 if  {[gdb_compile "${testfile}.o ovlymgr.o foo.o bar.o baz.o grbx.o" ${binfile} executable "ldscript=-Wl,-T$linker_script"] != "" } {
  77      untested overlays.exp
  78      return -1
  79 }
  80
  81 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  82
  83
  84 gdb_start
  85 gdb_reinitialize_dir $srcdir/$subdir
  86 gdb_load ${binfile}
  87
  88 #
  89 # set it up at a breakpoint so we can play with the variable values
  90 #
  91
  92 if ![runto_main] then {
  93     gdb_suppress_tests;
  94 }
  95
  96 # couple of convenience variables
  97 set fptrcast [string_to_regexp "{int (int)}"]
  98 set iptrcast [string_to_regexp "(int *)"]
  99 set hexx "0x\[0-9abcdefABCDEF\]+"
 100
 101 gdb_test_no_output "overlay manual"
 102 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
 103
 104 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 105
 106 proc get_func_address { func func_sym msg } {
 107     global gdb_prompt
 108     global fptrcast
 109     global hexx
 110
 111     set func_addr 0
 112     send_gdb "print $func\n"
 113     gdb_expect {
 114         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
 115             set func_addr $expect_out(1,string)
 116             pass "get $msg"
 117         }
 118         -re ".*$gdb_prompt $" {
 119             fail "get $msg"
 120         }
 121         default {
 122             fail "get $msg (timeout)"
 123         }
 124     }
 125     return $func_addr
 126 }
 127
 128 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
 129 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 130 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 131 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 132
 133 if $data_overlays then {
 134     gdb_test "print \$foox_lma = &foox" \
 135         ".* $iptrcast 0x.*"  "foox load addr"
 136     gdb_test "print \$barx_lma = &barx" \
 137         ".* $iptrcast 0x.*"  "barx load addr"
 138     gdb_test "print \$bazx_lma = &bazx" \
 139         ".* $iptrcast 0x.*"  "bazx load addr"
 140     gdb_test "print \$grbxx_lma = &grbxx" \
 141         ".* $iptrcast 0x.*" "grbxx load addr"
 142 }
 143
 144 # map each overlay successively, and
 145 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 146
 147 gdb_test "overlay map .ovly0" ""
 148 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 149 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 150
 151 gdb_test "overlay map .ovly1" ""
 152 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 153 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 154
 155 gdb_test "overlay map .ovly2" ""
 156 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 157 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 158
 159 gdb_test "overlay map .ovly3" ""
 160 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 161 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 162
 163 if $data_overlays then {
 164     gdb_test "overlay map .data00" ""
 165     gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 166     gdb_test "print \$foox_vma = &foox" \
 167         ".* $iptrcast 0x.*"  "foox runtime addr"
 168
 169     gdb_test "overlay map .data01" ""
 170     gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 171     gdb_test "print \$barx_vma = &barx" \
 172         ".* $iptrcast 0x.*"  "barx runtime addr"
 173
 174     gdb_test "overlay map .data02" ""
 175     gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 176     gdb_test "print \$bazx_vma = &bazx" \
 177         ".* $iptrcast 0x.*"  "bazx runtime addr"
 178
 179     gdb_test "overlay map .data03" ""
 180     gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 181     gdb_test "print \$grbxx_vma = &grbxx" \
 182         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 183 }
 184 # Verify that LMA != VMA
 185
 186 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 187 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 188 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 189 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 190 if $data_overlays then {
 191     gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 192     gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 193     gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 194     gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 195 }
 196
 197 # Verify that early-mapped overlays have been bumped out
 198 # by later-mapped overlays layed over in the same VMA range.
 199
 200 send_gdb "overlay list\n"
 201 gdb_expect {
 202     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 203     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 204     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 205     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 206     -re ".*$gdb_prompt $"       { pass "Automatic unmapping"             }
 207     timeout                     { fail "(timeout) Automatic unmapping"   }
 208 }
 209
 210 # Verify that both sec1 and sec2 can be loaded simultaneously.
 211 proc simultaneous_pair { sec1 sec2 } {
 212     global gdb_prompt
 213
 214     set pairname "$sec1 and $sec2 mapped simultaneously"
 215     gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
 216     gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
 217
 218     set seen_sec1 0
 219     set seen_sec2 0
 220
 221     send_gdb "overlay list\n"
 222     gdb_expect {
 223         -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
 224         -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
 225         -re ".*$gdb_prompt $" {
 226             if {$seen_sec1 && $seen_sec2} {
 227                 pass "$pairname"
 228             } else {
 229                 fail "$pairname"
 230             }
 231         }
 232         timeout { fail "(timeout) $pairname" }
 233     }
 234 }
 235
 236 simultaneous_pair .ovly0 .ovly2
 237 simultaneous_pair .ovly0 .ovly3
 238 simultaneous_pair .ovly1 .ovly2
 239 simultaneous_pair .ovly1 .ovly3
 240
 241 if $data_overlays then {
 242     simultaneous_pair .data00 .data02
 243     simultaneous_pair .data00 .data03
 244     simultaneous_pair .data01 .data02
 245     simultaneous_pair .data01 .data03
 246 }
 247
 248 # test automatic mode
 249
 250 gdb_test_no_output "overlay auto"
 251 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 252 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 253 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 254 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 255 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 256
 257 send_gdb "continue\n"
 258 gdb_expect {
 259     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 260     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 261     timeout                                  { fail "(timeout) hit foo" }
 262 }
 263
 264 send_gdb "backtrace\n"
 265 gdb_expect {
 266     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 267     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 268     timeout                                  { fail "(timeout) BT foo" }
 269 }
 270
 271
 272 send_gdb "continue\n"
 273 gdb_expect {
 274     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 275     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 276     timeout                                  { fail "(timeout) hit bar" }
 277 }
 278
 279 send_gdb "backtrace\n"
 280 gdb_expect {
 281     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 282     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 283     timeout                                  { fail "(timeout) BT bar" }
 284 }
 285
 286 send_gdb "continue\n"
 287 gdb_expect {
 288     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 289     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 290     timeout                                  { fail "(timeout) hit baz" }
 291 }
 292
 293 send_gdb "backtrace\n"
 294 gdb_expect {
 295     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 296     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 297     timeout                                  { fail "(timeout) BT baz" }
 298 }
 299
 300 send_gdb "continue\n"
 301 gdb_expect {
 302     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 303     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 304     timeout                                   { fail "(timeout) hit grbx" }
 305 }
 306
 307 send_gdb "backtrace\n"
 308 gdb_expect {
 309     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 310     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 311     timeout                                  { fail "(timeout) BT grbx" }
 312 }
 313