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99 lines
3.3 KiB
Plaintext
99 lines
3.3 KiB
Plaintext
# Copyright 2015-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test ability to load an elf64-i386 core file. The provided core file was
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# elf64-x8664 one but it got binary patched to i386:
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# Elf32_Ehdr.e_machine @0x12..0x13
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# Elf64_Ehdr.e_machine @0x12..0x13
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# #define EM_386 3 /* Intel 80386 */
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# #define EM_X86_64 62 /* AMD x86-64 architecture */
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# patch @0x12: 0x3E -> 0x03
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standard_testfile
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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set test "complete set gnutarget"
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gdb_test_multiple "complete set gnutarget " $test {
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-re "set gnutarget elf64-little\r\n(.*\r\n)?$gdb_prompt $" {
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pass $test
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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untested ".text is readable"
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return
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}
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}
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set corebz2file ${srcdir}/${subdir}/${testfile}.core.bz2
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set corefile [standard_output_file ${testfile}.core]
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# Entry point of the original executable.
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set address 0x400078
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if {[catch "system \"bzip2 -dc ${corebz2file} >${corefile}\""] != 0} {
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untested "failed bzip2"
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return -1
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}
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file stat ${corefile} corestat
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if {$corestat(size) != 102400} {
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untested "bzip2 produces invalid result"
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return -1
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}
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# First check if this particular GDB supports i386, otherwise we should not
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# expect the i386 core file to be loaded successfully.
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set supports_arch_i386 1
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set test "complete set architecture i386"
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gdb_test_multiple $test $test {
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-re "\r\nset architecture i386\r\n(.*\r\n)?$gdb_prompt $" {
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}
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-re "\r\n$gdb_prompt $" {
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set supports_arch_i386 0
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}
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}
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# Wrongly built GDB complains by:
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# "..." is not a core dump: File format not recognized
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# As the provided test core has 64bit PRSTATUS i386 built GDB cannot parse it.
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# This is just a problem of the test case, real-world elf64-i386 file will have
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# 32bit PRSTATUS. One cannot prepare elf64-i386 core file from elf32-i386 by
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# objcopy as it corrupts the core file beyond all recognition.
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# The output therefore does not matter much, just we should not get GDB
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# internal error.
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#
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# If this particular GDB does not support i386, it is expected GDB will not
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# recognize the core file. If it does anyway, it should not crash.
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set test "load core file"
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gdb_test_multiple "core-file ${corefile}" $test {
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-re "no core file handler recognizes format.*\r\n$gdb_prompt $" {
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if { $supports_arch_i386 } {
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fail $test
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} else {
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pass $test
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untested ".text is readable (core file unrecognized)"
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return
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}
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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}
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}
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# Test if at least the core file segments memory has been loaded.
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# https://bugzilla.redhat.com/show_bug.cgi?id=457187
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gdb_test "x/bx $address" "\r\n\[ \t\]*$address:\[ \t\]*0xf4\[ \t\]*" ".text is readable"
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