gdb/testsuite/gdb.base/overlays.exp

   1 # Copyright 1997, 1998, 2001, 2002, 2003, 2004 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16 #
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19 #
  20 # This file was written by Michael Snyder (msnyder@cygnus.com)
  21
  22 if $tracelevel then {
  23     strace $tracelevel
  24 }
  25
  26 #
  27 # test running programs
  28 #
  29
  30 set prms_id 0
  31 set bug_id 0
  32
  33 if [istarget "d10v-*-*"] then {
  34     set linker_script "${srcdir}/${subdir}/d10v.ld";
  35 } elseif [istarget "m32r-*-*"] then {
  36     set linker_script "${srcdir}/${subdir}/m32r.ld";
  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 "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 gdb_test "print \$foox_lma = &foox" \
 134         ".* $iptrcast 0x.*"  "foox load addr"
 135 gdb_test "print \$barx_lma = &barx" \
 136         ".* $iptrcast 0x.*"  "barx load addr"
 137 gdb_test "print \$bazx_lma = &bazx" \
 138         ".* $iptrcast 0x.*"  "bazx load addr"
 139 gdb_test "print \$grbxx_lma = &grbxx" \
 140         ".* $iptrcast 0x.*" "grbxx load addr"
 141
 142 # map each overlay successively, and
 143 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 144
 145 gdb_test "overlay map .ovly0" ""
 146 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 147 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 148
 149 gdb_test "overlay map .ovly1" ""
 150 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 151 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 152
 153 gdb_test "overlay map .ovly2" ""
 154 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 155 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 156
 157 gdb_test "overlay map .ovly3" ""
 158 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 159 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 160
 161 gdb_test "overlay map .data00" ""
 162 gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 163 gdb_test "print \$foox_vma = &foox" \
 164         ".* $iptrcast 0x.*"  "foox runtime addr"
 165
 166 gdb_test "overlay map .data01" ""
 167 gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 168 gdb_test "print \$barx_vma = &barx" \
 169         ".* $iptrcast 0x.*"  "barx runtime addr"
 170
 171 gdb_test "overlay map .data02" ""
 172 gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 173 gdb_test "print \$bazx_vma = &bazx" \
 174         ".* $iptrcast 0x.*"  "bazx runtime addr"
 175
 176 gdb_test "overlay map .data03" ""
 177 gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 178 gdb_test "print \$grbxx_vma = &grbxx" \
 179         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 180
 181 # Verify that LMA != VMA
 182
 183 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 184 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 185 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 186 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 187 gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 188 gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 189 gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 190 gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 191
 192 # Verify that early-mapped overlays have been bumped out
 193 # by later-mapped overlays layed over in the same VMA range.
 194
 195 send_gdb "overlay list\n"
 196 gdb_expect {
 197     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 198     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 199     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 200     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 201     -re ".*$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) $pairname" }
 228     }
 229 }
 230
 231 simultaneous_pair .ovly0 .ovly2
 232 simultaneous_pair .ovly0 .ovly3
 233 simultaneous_pair .ovly1 .ovly2
 234 simultaneous_pair .ovly1 .ovly3
 235
 236 simultaneous_pair .data00 .data02
 237 simultaneous_pair .data00 .data03
 238 simultaneous_pair .data01 .data02
 239 simultaneous_pair .data01 .data03
 240
 241 # test automatic mode
 242
 243 gdb_test "overlay auto" ""
 244 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 245 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 246 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 247 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 248 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 249
 250 send_gdb "continue\n"
 251 gdb_expect {
 252     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 253     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 254     timeout                                  { fail "(timeout) hit foo" }
 255 }
 256
 257 send_gdb "backtrace\n"
 258 gdb_expect {
 259     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 260     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 261     timeout                                  { fail "(timeout) BT foo" }
 262 }
 263
 264
 265 send_gdb "continue\n"
 266 gdb_expect {
 267     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 268     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 269     timeout                                  { fail "(timeout) hit bar" }
 270 }
 271
 272 send_gdb "backtrace\n"
 273 gdb_expect {
 274     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 275     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 276     timeout                                  { fail "(timeout) BT bar" }
 277 }
 278
 279 send_gdb "continue\n"
 280 gdb_expect {
 281     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 282     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 283     timeout                                  { fail "(timeout) hit baz" }
 284 }
 285
 286 send_gdb "backtrace\n"
 287 gdb_expect {
 288     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 289     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 290     timeout                                  { fail "(timeout) BT baz" }
 291 }
 292
 293 send_gdb "continue\n"
 294 gdb_expect {
 295     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 296     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 297     timeout                                   { fail "(timeout) hit grbx" }
 298 }
 299
 300 send_gdb "backtrace\n"
 301 gdb_expect {
 302     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 303     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 304     timeout                                  { fail "(timeout) BT grbx" }
 305 }
 306