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 $tracelevel
  25 }
  26
  27 #
  28 # test running programs
  29 #
  30
  31 set prms_id 0
  32 set bug_id 0
  33
  34 set data_overlays 1
  35
  36 if [istarget "d10v-*-*"] then {
  37     set linker_script "${srcdir}/${subdir}/d10v.ld";
  38 } elseif [istarget "m32r-*-*"] then {
  39     set linker_script "${srcdir}/${subdir}/m32r.ld";
  40 } elseif [istarget "spu-*-*"] then {
  41     set linker_script "${srcdir}/${subdir}/spu.ld";
  42     set data_overlays 0
  43 } else {
  44     verbose "Skipping overlay test -- not implemented for this target."
  45     return
  46 }
  47
  48 if [istarget "*-*-linux*"] then {
  49     verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
  50     return
  51 }
  52
  53 set testfile "overlays"
  54 set binfile ${objdir}/${subdir}/${testfile}
  55 set srcfile ${testfile}.c
  56
  57 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${testfile}.o" object {debug}] != ""} then {
  58      untested overlays.exp
  59      return -1
  60 }
  61 if {[gdb_compile "${srcdir}/${subdir}/ovlymgr.c" ovlymgr.o object {debug}] != ""} then {
  62      untested overlays.exp
  63      return -1
  64 }
  65 if {[gdb_compile "${srcdir}/${subdir}/foo.c" foo.o object {debug} ] != ""} then {
  66      untested overlays.exp
  67      return -1
  68 }
  69
  70 if {[gdb_compile "${srcdir}/${subdir}/bar.c" bar.o object {debug}] != ""} then {
  71      untested overlays.exp
  72      return -1
  73 }
  74 if {[gdb_compile "${srcdir}/${subdir}/baz.c" baz.o object {debug}] != ""} then {
  75      untested overlays.exp
  76      return -1
  77 }
  78 if {[gdb_compile "${srcdir}/${subdir}/grbx.c" grbx.o object {debug}] != ""} then {
  79      untested overlays.exp
  80      return -1
  81 }
  82 if  {[gdb_compile "${testfile}.o ovlymgr.o foo.o bar.o baz.o grbx.o" ${binfile} executable "ldscript=-Wl,-T$linker_script"] != "" } {
  83      untested overlays.exp
  84      return -1
  85 }
  86
  87 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  88
  89
  90 gdb_start
  91 gdb_reinitialize_dir $srcdir/$subdir
  92 gdb_load ${binfile}
  93
  94 #
  95 # set it up at a breakpoint so we can play with the variable values
  96 #
  97
  98 if ![runto_main] then {
  99     gdb_suppress_tests;
 100 }
 101
 102 # couple of convenience variables
 103 set fptrcast [string_to_regexp "{int (int)}"]
 104 set iptrcast [string_to_regexp "(int *)"]
 105 set hexx "0x\[0-9abcdefABCDEF\]+"
 106
 107 gdb_test "overlay manual" ""
 108 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
 109
 110 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 111
 112 proc get_func_address { func func_sym msg } {
 113     global gdb_prompt
 114     global fptrcast
 115     global hexx
 116
 117     set func_addr 0
 118     send_gdb "print $func\n"
 119     gdb_expect {
 120         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
 121             set func_addr $expect_out(1,string)
 122             pass "get $msg"
 123         }
 124         -re ".*$gdb_prompt $" {
 125             fail "get $msg"
 126         }
 127         default {
 128             fail "get $msg (timeout)"
 129         }
 130     }
 131     return $func_addr
 132 }
 133
 134 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
 135 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 136 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 137 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 138
 139 if $data_overlays then {
 140     gdb_test "print \$foox_lma = &foox" \
 141         ".* $iptrcast 0x.*"  "foox load addr"
 142     gdb_test "print \$barx_lma = &barx" \
 143         ".* $iptrcast 0x.*"  "barx load addr"
 144     gdb_test "print \$bazx_lma = &bazx" \
 145         ".* $iptrcast 0x.*"  "bazx load addr"
 146     gdb_test "print \$grbxx_lma = &grbxx" \
 147         ".* $iptrcast 0x.*" "grbxx load addr"
 148 }
 149
 150 # map each overlay successively, and
 151 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 152
 153 gdb_test "overlay map .ovly0" ""
 154 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 155 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 156
 157 gdb_test "overlay map .ovly1" ""
 158 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 159 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 160
 161 gdb_test "overlay map .ovly2" ""
 162 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 163 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 164
 165 gdb_test "overlay map .ovly3" ""
 166 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 167 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 168
 169 if $data_overlays then {
 170     gdb_test "overlay map .data00" ""
 171     gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 172     gdb_test "print \$foox_vma = &foox" \
 173         ".* $iptrcast 0x.*"  "foox runtime addr"
 174
 175     gdb_test "overlay map .data01" ""
 176     gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 177     gdb_test "print \$barx_vma = &barx" \
 178         ".* $iptrcast 0x.*"  "barx runtime addr"
 179
 180     gdb_test "overlay map .data02" ""
 181     gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 182     gdb_test "print \$bazx_vma = &bazx" \
 183         ".* $iptrcast 0x.*"  "bazx runtime addr"
 184
 185     gdb_test "overlay map .data03" ""
 186     gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 187     gdb_test "print \$grbxx_vma = &grbxx" \
 188         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 189 }
 190 # Verify that LMA != VMA
 191
 192 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 193 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 194 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 195 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 196 if $data_overlays then {
 197     gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 198     gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 199     gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 200     gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 201 }
 202
 203 # Verify that early-mapped overlays have been bumped out
 204 # by later-mapped overlays layed over in the same VMA range.
 205
 206 send_gdb "overlay list\n"
 207 gdb_expect {
 208     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 209     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 210     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 211     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 212     -re ".*$gdb_prompt $"       { pass "Automatic unmapping"             }
 213     timeout                     { fail "(timeout) Automatic unmapping"   }
 214 }
 215
 216 # Verify that both sec1 and sec2 can be loaded simultaneously.
 217 proc simultaneous_pair { sec1 sec2 } {
 218     global gdb_prompt
 219
 220     set pairname "$sec1 and $sec2 mapped simultaneously"
 221     gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
 222     gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
 223
 224     set seen_sec1 0
 225     set seen_sec2 0
 226
 227     send_gdb "overlay list\n"
 228     gdb_expect {
 229         -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
 230         -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
 231         -re ".*$gdb_prompt $" {
 232             if {$seen_sec1 && $seen_sec2} {
 233                 pass "$pairname"
 234             } else {
 235                 fail "$pairname"
 236             }
 237         }
 238         timeout { fail "(timeout) $pairname" }
 239     }
 240 }
 241
 242 simultaneous_pair .ovly0 .ovly2
 243 simultaneous_pair .ovly0 .ovly3
 244 simultaneous_pair .ovly1 .ovly2
 245 simultaneous_pair .ovly1 .ovly3
 246
 247 if $data_overlays then {
 248     simultaneous_pair .data00 .data02
 249     simultaneous_pair .data00 .data03
 250     simultaneous_pair .data01 .data02
 251     simultaneous_pair .data01 .data03
 252 }
 253
 254 # test automatic mode
 255
 256 gdb_test "overlay auto" ""
 257 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 258 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 259 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 260 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 261 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 262
 263 send_gdb "continue\n"
 264 gdb_expect {
 265     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 266     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 267     timeout                                  { fail "(timeout) hit foo" }
 268 }
 269
 270 send_gdb "backtrace\n"
 271 gdb_expect {
 272     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 273     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 274     timeout                                  { fail "(timeout) BT foo" }
 275 }
 276
 277
 278 send_gdb "continue\n"
 279 gdb_expect {
 280     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 281     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 282     timeout                                  { fail "(timeout) hit bar" }
 283 }
 284
 285 send_gdb "backtrace\n"
 286 gdb_expect {
 287     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 288     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 289     timeout                                  { fail "(timeout) BT bar" }
 290 }
 291
 292 send_gdb "continue\n"
 293 gdb_expect {
 294     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 295     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 296     timeout                                  { fail "(timeout) hit baz" }
 297 }
 298
 299 send_gdb "backtrace\n"
 300 gdb_expect {
 301     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 302     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 303     timeout                                  { fail "(timeout) BT baz" }
 304 }
 305
 306 send_gdb "continue\n"
 307 gdb_expect {
 308     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 309     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 310     timeout                                   { fail "(timeout) hit grbx" }
 311 }
 312
 313 send_gdb "backtrace\n"
 314 gdb_expect {
 315     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 316     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 317     timeout                                  { fail "(timeout) BT grbx" }
 318 }
 319