gdb/testsuite/gdb.base/overlays.exp

   1 # Copyright 1997-1998, 2001-2004, 2007-2012 Free Software Foundation,
   2 # 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 #
  20 # test running programs
  21 #
  22
  23
  24 set data_overlays 1
  25
  26 if [istarget "d10v-*-*"] then {
  27     set linker_script "${srcdir}/${subdir}/d10v.ld";
  28 } elseif [istarget "m32r-*-*"] then {
  29     set linker_script "${srcdir}/${subdir}/m32r.ld";
  30 } elseif [istarget "spu-*-*"] then {
  31     set linker_script "${srcdir}/${subdir}/spu.ld";
  32     set data_overlays 0
  33 } else {
  34     verbose "Skipping overlay test -- not implemented for this target."
  35     return
  36 }
  37
  38 if [istarget "*-*-linux*"] then {
  39     verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
  40     return
  41 }
  42
  43 set testfile "overlays"
  44 set binfile ${objdir}/${subdir}/${testfile}
  45 set srcfile ${testfile}.c
  46
  47 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${testfile}.o" object {debug}] != ""} then {
  48      untested overlays.exp
  49      return -1
  50 }
  51 if {[gdb_compile "${srcdir}/${subdir}/ovlymgr.c" ovlymgr.o object {debug}] != ""} then {
  52      untested overlays.exp
  53      return -1
  54 }
  55 if {[gdb_compile "${srcdir}/${subdir}/foo.c" foo.o object {debug} ] != ""} then {
  56      untested overlays.exp
  57      return -1
  58 }
  59
  60 if {[gdb_compile "${srcdir}/${subdir}/bar.c" bar.o object {debug}] != ""} then {
  61      untested overlays.exp
  62      return -1
  63 }
  64 if {[gdb_compile "${srcdir}/${subdir}/baz.c" baz.o object {debug}] != ""} then {
  65      untested overlays.exp
  66      return -1
  67 }
  68 if {[gdb_compile "${srcdir}/${subdir}/grbx.c" grbx.o object {debug}] != ""} then {
  69      untested overlays.exp
  70      return -1
  71 }
  72 if  {[gdb_compile "${testfile}.o ovlymgr.o foo.o bar.o baz.o grbx.o" ${binfile} executable "ldscript=-Wl,-T$linker_script"] != "" } {
  73      untested overlays.exp
  74      return -1
  75 }
  76
  77 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  78
  79
  80 gdb_start
  81 gdb_reinitialize_dir $srcdir/$subdir
  82 gdb_load ${binfile}
  83
  84 #
  85 # set it up at a breakpoint so we can play with the variable values
  86 #
  87
  88 if ![runto_main] then {
  89     gdb_suppress_tests;
  90 }
  91
  92 # couple of convenience variables
  93 set fptrcast [string_to_regexp "{int (int)}"]
  94 set iptrcast [string_to_regexp "(int *)"]
  95 set hexx "0x\[0-9abcdefABCDEF\]+"
  96
  97 gdb_test_no_output "overlay manual"
  98 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
  99
 100 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 101
 102 proc get_func_address { func func_sym msg } {
 103     global gdb_prompt
 104     global fptrcast
 105     global hexx
 106
 107     set func_addr 0
 108     send_gdb "print $func\n"
 109     gdb_expect {
 110         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
 111             set func_addr $expect_out(1,string)
 112             pass "get $msg"
 113         }
 114         -re ".*$gdb_prompt $" {
 115             fail "get $msg"
 116         }
 117         default {
 118             fail "get $msg (timeout)"
 119         }
 120     }
 121     return $func_addr
 122 }
 123
 124 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
 125 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 126 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 127 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 128
 129 if $data_overlays then {
 130     gdb_test "print \$foox_lma = &foox" \
 131         ".* $iptrcast 0x.*"  "foox load addr"
 132     gdb_test "print \$barx_lma = &barx" \
 133         ".* $iptrcast 0x.*"  "barx load addr"
 134     gdb_test "print \$bazx_lma = &bazx" \
 135         ".* $iptrcast 0x.*"  "bazx load addr"
 136     gdb_test "print \$grbxx_lma = &grbxx" \
 137         ".* $iptrcast 0x.*" "grbxx load addr"
 138 }
 139
 140 # map each overlay successively, and
 141 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 142
 143 gdb_test "overlay map .ovly0" ""
 144 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 145 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 146
 147 gdb_test "overlay map .ovly1" ""
 148 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 149 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 150
 151 gdb_test "overlay map .ovly2" ""
 152 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 153 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 154
 155 gdb_test "overlay map .ovly3" ""
 156 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 157 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 158
 159 if $data_overlays then {
 160     gdb_test "overlay map .data00" ""
 161     gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 162     gdb_test "print \$foox_vma = &foox" \
 163         ".* $iptrcast 0x.*"  "foox runtime addr"
 164
 165     gdb_test "overlay map .data01" ""
 166     gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 167     gdb_test "print \$barx_vma = &barx" \
 168         ".* $iptrcast 0x.*"  "barx runtime addr"
 169
 170     gdb_test "overlay map .data02" ""
 171     gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 172     gdb_test "print \$bazx_vma = &bazx" \
 173         ".* $iptrcast 0x.*"  "bazx runtime addr"
 174
 175     gdb_test "overlay map .data03" ""
 176     gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 177     gdb_test "print \$grbxx_vma = &grbxx" \
 178         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 179 }
 180 # Verify that LMA != VMA
 181
 182 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 183 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 184 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 185 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 186 if $data_overlays then {
 187     gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 188     gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 189     gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 190     gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 191 }
 192
 193 # Verify that early-mapped overlays have been bumped out
 194 # by later-mapped overlays layed over in the same VMA range.
 195
 196 send_gdb "overlay list\n"
 197 gdb_expect {
 198     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 199     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 200     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 201     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 202     -re ".*$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 if $data_overlays then {
 238     simultaneous_pair .data00 .data02
 239     simultaneous_pair .data00 .data03
 240     simultaneous_pair .data01 .data02
 241     simultaneous_pair .data01 .data03
 242 }
 243
 244 # test automatic mode
 245
 246 gdb_test_no_output "overlay auto"
 247 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 248 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 249 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 250 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 251 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 252
 253 send_gdb "continue\n"
 254 gdb_expect {
 255     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 256     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 257     timeout                                  { fail "(timeout) hit foo" }
 258 }
 259
 260 send_gdb "backtrace\n"
 261 gdb_expect {
 262     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 263     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 264     timeout                                  { fail "(timeout) BT foo" }
 265 }
 266
 267
 268 send_gdb "continue\n"
 269 gdb_expect {
 270     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 271     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 272     timeout                                  { fail "(timeout) hit bar" }
 273 }
 274
 275 send_gdb "backtrace\n"
 276 gdb_expect {
 277     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 278     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 279     timeout                                  { fail "(timeout) BT bar" }
 280 }
 281
 282 send_gdb "continue\n"
 283 gdb_expect {
 284     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 285     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 286     timeout                                  { fail "(timeout) hit baz" }
 287 }
 288
 289 send_gdb "backtrace\n"
 290 gdb_expect {
 291     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 292     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 293     timeout                                  { fail "(timeout) BT baz" }
 294 }
 295
 296 send_gdb "continue\n"
 297 gdb_expect {
 298     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 299     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 300     timeout                                   { fail "(timeout) hit grbx" }
 301 }
 302
 303 send_gdb "backtrace\n"
 304 gdb_expect {
 305     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 306     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 307     timeout                                  { fail "(timeout) BT grbx" }
 308 }
 309