gdb/testsuite/gdb.base/overlays.exp

   1 # Copyright 1997, 1998, 2001, 2002, 2003, 2004, 2007
   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 2 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, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17 #
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20 #
  21 # This file was written by Michael Snyder (msnyder@cygnus.com)
  22
  23 if $tracelevel then {
  24     strace $tracelevel
  25 }
  26
  27 #
  28 # test running programs
  29 #
  30
  31 set prms_id 0
  32 set bug_id 0
  33
  34 if [istarget "d10v-*-*"] then {
  35     set linker_script "${srcdir}/${subdir}/d10v.ld";
  36 } elseif [istarget "m32r-*-*"] then {
  37     set linker_script "${srcdir}/${subdir}/m32r.ld";
  38 } else {
  39     verbose "Skipping overlay test -- not implemented for this target."
  40     return
  41 }
  42
  43 if [istarget "*-*-linux*"] then {
  44     verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
  45     return
  46 }
  47
  48 set testfile "overlays"
  49 set binfile ${objdir}/${subdir}/${testfile}
  50 set srcfile ${testfile}.c
  51
  52 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${testfile}.o" object {debug}] != ""} then {
  53      untested overlays.exp
  54      return -1
  55 }
  56 if {[gdb_compile "${srcdir}/${subdir}/ovlymgr.c" ovlymgr.o object {debug}] != ""} then {
  57      untested overlays.exp
  58      return -1
  59 }
  60 if {[gdb_compile "${srcdir}/${subdir}/foo.c" foo.o object {debug} ] != ""} then {
  61      untested overlays.exp
  62      return -1
  63 }
  64
  65 if {[gdb_compile "${srcdir}/${subdir}/bar.c" bar.o object {debug}] != ""} then {
  66      untested overlays.exp
  67      return -1
  68 }
  69 if {[gdb_compile "${srcdir}/${subdir}/baz.c" baz.o object {debug}] != ""} then {
  70      untested overlays.exp
  71      return -1
  72 }
  73 if {[gdb_compile "${srcdir}/${subdir}/grbx.c" grbx.o object {debug}] != ""} then {
  74      untested overlays.exp
  75      return -1
  76 }
  77 if  {[gdb_compile "${testfile}.o ovlymgr.o foo.o bar.o baz.o grbx.o" ${binfile} executable "ldscript=-Wl,-T$linker_script"] != "" } {
  78      untested overlays.exp
  79      return -1
  80 }
  81
  82 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  83
  84
  85 gdb_start
  86 gdb_reinitialize_dir $srcdir/$subdir
  87 gdb_load ${binfile}
  88
  89 #
  90 # set it up at a breakpoint so we can play with the variable values
  91 #
  92
  93 if ![runto_main] then {
  94     gdb_suppress_tests;
  95 }
  96
  97 # couple of convenience variables
  98 set fptrcast [string_to_regexp "{int (int)}"]
  99 set iptrcast [string_to_regexp "(int *)"]
 100 set hexx "0x\[0-9abcdefABCDEF\]+"
 101
 102 gdb_test "overlay manual" ""
 103 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
 104
 105 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 106
 107 proc get_func_address { func func_sym msg } {
 108     global gdb_prompt
 109     global fptrcast
 110     global hexx
 111
 112     set func_addr 0
 113     send_gdb "print $func\n"
 114     gdb_expect {
 115         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
 116             set func_addr $expect_out(1,string)
 117             pass "get $msg"
 118         }
 119         -re ".*$gdb_prompt $" {
 120             fail "get $msg"
 121         }
 122         default {
 123             fail "get $msg (timeout)"
 124         }
 125     }
 126     return $func_addr
 127 }
 128
 129 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
 130 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 131 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 132 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 133
 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 # map each overlay successively, and
 144 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 145
 146 gdb_test "overlay map .ovly0" ""
 147 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 148 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 149
 150 gdb_test "overlay map .ovly1" ""
 151 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 152 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 153
 154 gdb_test "overlay map .ovly2" ""
 155 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 156 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 157
 158 gdb_test "overlay map .ovly3" ""
 159 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 160 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 161
 162 gdb_test "overlay map .data00" ""
 163 gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 164 gdb_test "print \$foox_vma = &foox" \
 165         ".* $iptrcast 0x.*"  "foox runtime addr"
 166
 167 gdb_test "overlay map .data01" ""
 168 gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 169 gdb_test "print \$barx_vma = &barx" \
 170         ".* $iptrcast 0x.*"  "barx runtime addr"
 171
 172 gdb_test "overlay map .data02" ""
 173 gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 174 gdb_test "print \$bazx_vma = &bazx" \
 175         ".* $iptrcast 0x.*"  "bazx runtime addr"
 176
 177 gdb_test "overlay map .data03" ""
 178 gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 179 gdb_test "print \$grbxx_vma = &grbxx" \
 180         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 181
 182 # Verify that LMA != VMA
 183
 184 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 185 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 186 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 187 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 188 gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 189 gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 190 gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 191 gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 192
 193 # Verify that early-mapped overlays have been bumped out
 194 # by later-mapped overlays layed over in the same VMA range.
 195
 196 send_gdb "overlay list\n"
 197 gdb_expect {
 198     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 199     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 200     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 201     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 202     -re ".*$gdb_prompt $"       { pass "Automatic unmapping"             }
 203     timeout                     { fail "(timeout) Automatic unmapping"   }
 204 }
 205
 206 # Verify that both sec1 and sec2 can be loaded simultaneously.
 207 proc simultaneous_pair { sec1 sec2 } {
 208     global gdb_prompt
 209
 210     set pairname "$sec1 and $sec2 mapped simultaneously"
 211     gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
 212     gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
 213
 214     set seen_sec1 0
 215     set seen_sec2 0
 216
 217     send_gdb "overlay list\n"
 218     gdb_expect {
 219         -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
 220         -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
 221         -re ".*$gdb_prompt $" {
 222             if {$seen_sec1 && $seen_sec2} {
 223                 pass "$pairname"
 224             } else {
 225                 fail "$pairname"
 226             }
 227         }
 228         timeout { fail "(timeout) $pairname" }
 229     }
 230 }
 231
 232 simultaneous_pair .ovly0 .ovly2
 233 simultaneous_pair .ovly0 .ovly3
 234 simultaneous_pair .ovly1 .ovly2
 235 simultaneous_pair .ovly1 .ovly3
 236
 237 simultaneous_pair .data00 .data02
 238 simultaneous_pair .data00 .data03
 239 simultaneous_pair .data01 .data02
 240 simultaneous_pair .data01 .data03
 241
 242 # test automatic mode
 243
 244 gdb_test "overlay auto" ""
 245 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 246 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 247 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 248 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 249 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 250
 251 send_gdb "continue\n"
 252 gdb_expect {
 253     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 254     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 255     timeout                                  { fail "(timeout) hit foo" }
 256 }
 257
 258 send_gdb "backtrace\n"
 259 gdb_expect {
 260     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 261     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 262     timeout                                  { fail "(timeout) BT foo" }
 263 }
 264
 265
 266 send_gdb "continue\n"
 267 gdb_expect {
 268     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 269     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 270     timeout                                  { fail "(timeout) hit bar" }
 271 }
 272
 273 send_gdb "backtrace\n"
 274 gdb_expect {
 275     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 276     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 277     timeout                                  { fail "(timeout) BT bar" }
 278 }
 279
 280 send_gdb "continue\n"
 281 gdb_expect {
 282     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 283     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 284     timeout                                  { fail "(timeout) hit baz" }
 285 }
 286
 287 send_gdb "backtrace\n"
 288 gdb_expect {
 289     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 290     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 291     timeout                                  { fail "(timeout) BT baz" }
 292 }
 293
 294 send_gdb "continue\n"
 295 gdb_expect {
 296     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 297     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 298     timeout                                   { fail "(timeout) hit grbx" }
 299 }
 300
 301 send_gdb "backtrace\n"
 302 gdb_expect {
 303     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 304     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 305     timeout                                  { fail "(timeout) BT grbx" }
 306 }
 307