gdb/testsuite/gdb.arch/i386-biarch-core.exp

   1 # Copyright 2015 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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 # Test ability to load an elf64-i386 core file.  The provided core file was
  17 # elf64-x8664 one but it got binary patched to i386:
  18 # Elf32_Ehdr.e_machine @0x12..0x13
  19 # Elf64_Ehdr.e_machine @0x12..0x13
  20 # #define EM_386           3              /* Intel 80386 */
  21 # #define EM_X86_64       62              /* AMD x86-64 architecture */
  22 # patch @0x12: 0x3E -> 0x03
  23
  24 standard_testfile
  25
  26 if { ![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"] } then {
  27     verbose "Skipping i386-biarch-core test."
  28     return
  29 }
  30
  31 set corebz2file ${srcdir}/${subdir}/${testfile}.core.bz2
  32 set corefile ${objdir}/${subdir}/${testfile}.core
  33 # Entry point of the original executable.
  34 set address 0x400078
  35
  36 if {[catch "system \"bzip2 -dc ${corebz2file} >${corefile}\""] != 0} {
  37     untested "failed bzip2"
  38     return -1
  39 }
  40 file stat ${corefile} corestat
  41 if {$corestat(size) != 102400} {
  42     untested "bzip2 produces invalid result"
  43     return -1
  44 }
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49
  50 # Wrongly built GDB complains by:
  51 # "..." is not a core dump: File format not recognized
  52 # As the provided test core has 64bit PRSTATUS i386 built GDB cannot parse it.
  53 # This is just a problem of the test care, real-world elf64-i386 file will have
  54 # 32bit PRSTATUS.  One cannot prepare elf64-i386 core file from elf32-i386 by
  55 # objcopy as it corrupts the core file beyond all recognition.
  56 gdb_test "core-file ${corefile}" "\r\nwarning: Unexpected size of section `\\.reg/6901' in core file\\.\r\n.*Core was generated by `\[^\r\n\]*'\\.\r\nProgram terminated with signal SIGSEGV, Segmentation fault\\.\r\n.*" "core-file"
  57
  58 gdb_test "x/i $address" "\r\n\[ \t\]*$address:\[ \t\]*hlt\[ \t\]*" ".text is readable"