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 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 # 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 $tracelevel
  24 }
  25
  26 #
  27 # test running programs
  28 #
  29
  30 set prms_id 0
  31 set bug_id 0
  32
  33 set data_overlays 1
  34
  35 if [istarget "d10v-*-*"] then {
  36     set linker_script "${srcdir}/${subdir}/d10v.ld";
  37 } elseif [istarget "m32r-*-*"] then {
  38     set linker_script "${srcdir}/${subdir}/m32r.ld";
  39 } elseif [istarget "spu-*-*"] then {
  40     set linker_script "${srcdir}/${subdir}/spu.ld";
  41     set data_overlays 0
  42 } else {
  43     verbose "Skipping overlay test -- not implemented for this target."
  44     return
  45 }
  46
  47 if [istarget "*-*-linux*"] then {
  48     verbose "Skipping overlay test -- Linux doesn't support overlayed programs."
  49     return
  50 }
  51
  52 set testfile "overlays"
  53 set binfile ${objdir}/${subdir}/${testfile}
  54 set srcfile ${testfile}.c
  55
  56 if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${testfile}.o" object {debug}] != ""} then {
  57      untested overlays.exp
  58      return -1
  59 }
  60 if {[gdb_compile "${srcdir}/${subdir}/ovlymgr.c" ovlymgr.o object {debug}] != ""} then {
  61      untested overlays.exp
  62      return -1
  63 }
  64 if {[gdb_compile "${srcdir}/${subdir}/foo.c" foo.o object {debug} ] != ""} then {
  65      untested overlays.exp
  66      return -1
  67 }
  68
  69 if {[gdb_compile "${srcdir}/${subdir}/bar.c" bar.o object {debug}] != ""} then {
  70      untested overlays.exp
  71      return -1
  72 }
  73 if {[gdb_compile "${srcdir}/${subdir}/baz.c" baz.o object {debug}] != ""} then {
  74      untested overlays.exp
  75      return -1
  76 }
  77 if {[gdb_compile "${srcdir}/${subdir}/grbx.c" grbx.o object {debug}] != ""} then {
  78      untested overlays.exp
  79      return -1
  80 }
  81 if  {[gdb_compile "${testfile}.o ovlymgr.o foo.o bar.o baz.o grbx.o" ${binfile} executable "ldscript=-Wl,-T$linker_script"] != "" } {
  82      untested overlays.exp
  83      return -1
  84 }
  85
  86 remote_exec build "mv ${testfile}.o foo.o bar.o baz.o grbx.o ovlymgr.o ${objdir}/${subdir}"
  87
  88
  89 gdb_start
  90 gdb_reinitialize_dir $srcdir/$subdir
  91 gdb_load ${binfile}
  92
  93 #
  94 # set it up at a breakpoint so we can play with the variable values
  95 #
  96
  97 if ![runto_main] then {
  98     gdb_suppress_tests;
  99 }
 100
 101 # couple of convenience variables
 102 set fptrcast [string_to_regexp "{int (int)}"]
 103 set iptrcast [string_to_regexp "(int *)"]
 104 set hexx "0x\[0-9abcdefABCDEF\]+"
 105
 106 gdb_test "overlay manual" ""
 107 gdb_test "overlay list" "No sections are mapped." "List with none mapped"
 108
 109 # capture the LMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 110
 111 proc get_func_address { func func_sym msg } {
 112     global gdb_prompt
 113     global fptrcast
 114     global hexx
 115
 116     set func_addr 0
 117     send_gdb "print $func\n"
 118     gdb_expect {
 119         -re "\\$\[0-9\]+ = $fptrcast (${hexx}) <$func_sym>.*$gdb_prompt $" {
 120             set func_addr $expect_out(1,string)
 121             pass "get $msg"
 122         }
 123         -re ".*$gdb_prompt $" {
 124             fail "get $msg"
 125         }
 126         default {
 127             fail "get $msg (timeout)"
 128         }
 129     }
 130     return $func_addr
 131 }
 132
 133 set foo_lma  [get_func_address "foo"  "\\*foo\\*"  "foo  load address"]
 134 set bar_lma  [get_func_address "bar"  "\\*bar\\*"  "bar  load address"]
 135 set baz_lma  [get_func_address "baz"  "\\*baz\\*"  "baz  load address"]
 136 set grbx_lma [get_func_address "grbx" "\\*grbx\\*" "grbx load address"]
 137
 138 if $data_overlays then {
 139     gdb_test "print \$foox_lma = &foox" \
 140         ".* $iptrcast 0x.*"  "foox load addr"
 141     gdb_test "print \$barx_lma = &barx" \
 142         ".* $iptrcast 0x.*"  "barx load addr"
 143     gdb_test "print \$bazx_lma = &bazx" \
 144         ".* $iptrcast 0x.*"  "bazx load addr"
 145     gdb_test "print \$grbxx_lma = &grbxx" \
 146         ".* $iptrcast 0x.*" "grbxx load addr"
 147 }
 148
 149 # map each overlay successively, and
 150 # capture the VMA addresses of [foo bar baz grbx foox barx bazx grbxx]
 151
 152 gdb_test "overlay map .ovly0" ""
 153 gdb_test "overlay list" "Section .ovly0, loaded at.*, mapped at.*" "List ovly0"
 154 set foo_vma [get_func_address "foo"  "foo"  "foo  runtime address"]
 155
 156 gdb_test "overlay map .ovly1" ""
 157 gdb_test "overlay list" "Section .ovly1, loaded at.*, mapped at.*" "List ovly1"
 158 set bar_vma [get_func_address "bar"  "bar"  "bar  runtime address"]
 159
 160 gdb_test "overlay map .ovly2" ""
 161 gdb_test "overlay list" "Section .ovly2, loaded at.*, mapped at.*" "List ovly2"
 162 set baz_vma [get_func_address "baz"  "baz"  "baz  runtime address"]
 163
 164 gdb_test "overlay map .ovly3" ""
 165 gdb_test "overlay list" "Section .ovly3, loaded at.*, mapped at.*" "List ovly3"
 166 set grbx_vma [get_func_address "grbx" "grbx" "grbx runtime address"]
 167
 168 if $data_overlays then {
 169     gdb_test "overlay map .data00" ""
 170     gdb_test "overlay list" "Section .data00, loaded .*, mapped .*" "List data00"
 171     gdb_test "print \$foox_vma = &foox" \
 172         ".* $iptrcast 0x.*"  "foox runtime addr"
 173
 174     gdb_test "overlay map .data01" ""
 175     gdb_test "overlay list" "Section .data01, loaded .*, mapped .*" "List data01"
 176     gdb_test "print \$barx_vma = &barx" \
 177         ".* $iptrcast 0x.*"  "barx runtime addr"
 178
 179     gdb_test "overlay map .data02" ""
 180     gdb_test "overlay list" "Section .data02, loaded .*, mapped .*" "List data02"
 181     gdb_test "print \$bazx_vma = &bazx" \
 182         ".* $iptrcast 0x.*"  "bazx runtime addr"
 183
 184     gdb_test "overlay map .data03" ""
 185     gdb_test "overlay list" "Section .data03, loaded .*, mapped .*" "List data03"
 186     gdb_test "print \$grbxx_vma = &grbxx" \
 187         ".* $iptrcast 0x.*"  "grbxx runtime addr"
 188 }
 189 # Verify that LMA != VMA
 190
 191 gdb_test "print $foo_lma   != $foo_vma" ".* = 1"   "foo's LMA   != VMA"
 192 gdb_test "print $bar_lma   != $bar_vma" ".* = 1"   "bar's LMA   != VMA"
 193 gdb_test "print $baz_lma   != $baz_vma" ".* = 1"   "baz's LMA   != VMA"
 194 gdb_test "print $grbx_lma  != $grbx_vma" ".* = 1"  "grbx's LMA  != VMA"
 195 if $data_overlays then {
 196     gdb_test "print \$foox_lma  != \$foox_vma" ".* = 1"  "foox's LMA  != VMA"
 197     gdb_test "print \$barx_lma  != \$barx_vma" ".* = 1"  "barx's LMA  != VMA"
 198     gdb_test "print \$bazx_lma  != \$bazx_vma" ".* = 1"  "bazx's LMA  != VMA"
 199     gdb_test "print \$grbxx_lma != \$grbxx_vma" ".* = 1" "grbxx's LMA != VMA"
 200 }
 201
 202 # Verify that early-mapped overlays have been bumped out
 203 # by later-mapped overlays layed over in the same VMA range.
 204
 205 send_gdb "overlay list\n"
 206 gdb_expect {
 207     -re ".*ovly0, "             { fail ".ovly0  not unmapped by .ovly1"  }
 208     -re ".*ovly2, "             { fail ".ovly2  not unmapped by .ovly3"  }
 209     -re ".*data00,"             { fail ".data00 not unmapped by .data01" }
 210     -re ".*data02,"             { fail ".data02 not unmapped by .data03" }
 211     -re ".*$gdb_prompt $"       { pass "Automatic unmapping"             }
 212     timeout                     { fail "(timeout) Automatic unmapping"   }
 213 }
 214
 215 # Verify that both sec1 and sec2 can be loaded simultaneously.
 216 proc simultaneous_pair { sec1 sec2 } {
 217     global gdb_prompt
 218
 219     set pairname "$sec1 and $sec2 mapped simultaneously"
 220     gdb_test "overlay map $sec1" "" "$pairname: map $sec1"
 221     gdb_test "overlay map $sec2" "" "$pairname: map $sec2"
 222
 223     set seen_sec1 0
 224     set seen_sec2 0
 225
 226     send_gdb "overlay list\n"
 227     gdb_expect {
 228         -re ".*[string_to_regexp $sec1], " { set seen_sec1 1; exp_continue }
 229         -re ".*[string_to_regexp $sec2], " { set seen_sec2 1; exp_continue }
 230         -re ".*$gdb_prompt $" {
 231             if {$seen_sec1 && $seen_sec2} {
 232                 pass "$pairname"
 233             } else {
 234                 fail "$pairname"
 235             }
 236         }
 237         timeout { fail "(timeout) $pairname" }
 238     }
 239 }
 240
 241 simultaneous_pair .ovly0 .ovly2
 242 simultaneous_pair .ovly0 .ovly3
 243 simultaneous_pair .ovly1 .ovly2
 244 simultaneous_pair .ovly1 .ovly3
 245
 246 if $data_overlays then {
 247     simultaneous_pair .data00 .data02
 248     simultaneous_pair .data00 .data03
 249     simultaneous_pair .data01 .data02
 250     simultaneous_pair .data01 .data03
 251 }
 252
 253 # test automatic mode
 254
 255 gdb_test "overlay auto" ""
 256 gdb_test "overlay list" "No sections are mapped." "List none mapped (auto)"
 257 gdb_test "break foo"  "Breakpoint .*at .*file .*foo.c.*"  "break foo"
 258 gdb_test "break bar"  "Breakpoint .*at .*file .*bar.c.*"  "break bar"
 259 gdb_test "break baz"  "Breakpoint .*at .*file .*baz.c.*"  "break baz"
 260 gdb_test "break grbx" "Breakpoint .*at .*file .*grbx.c.*" "break grbx"
 261
 262 send_gdb "continue\n"
 263 gdb_expect {
 264     -re "Breakpoint .* foo .x=1. at .*$gdb_prompt $" { pass   "hit foo" }
 265     -re ".*$gdb_prompt $"                            { fail   "hit foo" }
 266     timeout                                  { fail "(timeout) hit foo" }
 267 }
 268
 269 send_gdb "backtrace\n"
 270 gdb_expect {
 271     -re "#0 .*foo .*#1 .*main .*$gdb_prompt $"       { pass   "BT foo" }
 272     -re ".*$gdb_prompt $"                            { fail   "BT foo" }
 273     timeout                                  { fail "(timeout) BT foo" }
 274 }
 275
 276
 277 send_gdb "continue\n"
 278 gdb_expect {
 279     -re "Breakpoint .* bar .x=1. at .*$gdb_prompt $" { pass   "hit bar" }
 280     -re ".*$gdb_prompt $"                            { fail   "hit bar" }
 281     timeout                                  { fail "(timeout) hit bar" }
 282 }
 283
 284 send_gdb "backtrace\n"
 285 gdb_expect {
 286     -re "#0 .*bar .*#1 .*main .*$gdb_prompt $"       { pass   "BT bar" }
 287     -re ".*$gdb_prompt $"                            { fail   "BT bar" }
 288     timeout                                  { fail "(timeout) BT bar" }
 289 }
 290
 291 send_gdb "continue\n"
 292 gdb_expect {
 293     -re "Breakpoint .* baz .x=1. at .*$gdb_prompt $" { pass   "hit baz" }
 294     -re ".*$gdb_prompt $"                            { fail   "hit baz" }
 295     timeout                                  { fail "(timeout) hit baz" }
 296 }
 297
 298 send_gdb "backtrace\n"
 299 gdb_expect {
 300     -re "#0 .*baz .*#1 .*main .*$gdb_prompt $"       { pass   "BT baz" }
 301     -re ".*$gdb_prompt $"                            { fail   "BT baz" }
 302     timeout                                  { fail "(timeout) BT baz" }
 303 }
 304
 305 send_gdb "continue\n"
 306 gdb_expect {
 307     -re "Breakpoint .* grbx .x=1. at .*$gdb_prompt $" { pass   "hit grbx" }
 308     -re ".*$gdb_prompt $"                             { fail   "hit grbx" }
 309     timeout                                   { fail "(timeout) hit grbx" }
 310 }
 311
 312 send_gdb "backtrace\n"
 313 gdb_expect {
 314     -re "#0 .*grbx .*#1 .*main .*$gdb_prompt $"      { pass   "BT grbx" }
 315     -re ".*$gdb_prompt $"                            { fail   "BT grbx" }
 316     timeout                                  { fail "(timeout) BT grbx" }
 317 }
 318