forked from Imagelibrary/binutils-gdb
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
210 lines
6.4 KiB
Plaintext
210 lines
6.4 KiB
Plaintext
# Copyright 2020-2024 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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# Tests of core file memory accesses when mmap() has been used to
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# create a "hole" of zeroes over pre-existing memory regions. See
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# coremaker2.c for details.
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# are we on a target board
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require isnative
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# Some of these tests will only work on GNU/Linux due to the
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# fact that Linux core files includes a section describing
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# memory address to file mappings. We'll use set_up_xfail for the
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# affected tests. As other targets become supported, the condition
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# can be changed accordingly.
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set xfail 0
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if { ![istarget *-linux*] } {
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set xfail 1
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}
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standard_testfile coremaker2.c
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if {[build_executable $testfile.exp $testfile $srcfile debug] == -1} {
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untested "failed to compile"
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return -1
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}
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set corefile [core_find $binfile {}]
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if {$corefile == ""} {
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return 0
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Attempt to load the core file.
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gdb_test_multiple "core-file $corefile" "core-file command" {
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-re ".* program is being debugged already.*y or n. $" {
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# gdb_load may connect us to a gdbserver.
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send_gdb "y\n"
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exp_continue
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}
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-re "Core was generated by .*corefile.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "core-file command"
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}
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-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "core-file command (with bad program name)"
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}
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-re ".*registers from core file: File in wrong format.* $" {
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fail "core-file command (could not read registers from core file)"
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}
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}
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# Perform the "interesting" tests which check the contents of certain
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# memory regions.
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proc do_tests { } {
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global xfail
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# Check contents of beginning of buf_rw and buf_ro.
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gdb_test {print/x buf_rw[0]@4} {\{0x6b, 0x6b, 0x6b, 0x6b\}}
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gdb_test {print/x buf_ro[0]@4} {\{0xc5, 0xc5, 0xc5, 0xc5\}}
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# Check for correct contents at beginning of mbuf_rw and mbuf_ro.
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gdb_test {print/x mbuf_rw[0]@4} {\{0x0, 0x0, 0x0, 0x0\}}
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if { $xfail } { setup_xfail "*-*-*" }
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gdb_test {print/x mbuf_ro[0]@4} {\{0x0, 0x0, 0x0, 0x0\}}
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# Check contents of mbuf_rw and mbuf_ro at the end of these regions.
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gdb_test {print/x mbuf_rw[pagesize-4]@4} {\{0x0, 0x0, 0x0, 0x0\}}
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if { $xfail } { setup_xfail "*-*-*" }
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gdb_test {print/x mbuf_ro[pagesize-4]@4} {\{0x0, 0x0, 0x0, 0x0\}}
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# Check contents of mbuf_rw and mbuf_ro, right before the hole,
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# overlapping into the beginning of these mmap'd regions.
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gdb_test {print/x mbuf_rw[-3]@6} {\{0x6b, 0x6b, 0x6b, 0x0, 0x0, 0x0\}}
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if { $xfail } { setup_xfail "*-*-*" }
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gdb_test {print/x mbuf_ro[-3]@6} {\{0xc5, 0xc5, 0xc5, 0x0, 0x0, 0x0\}}
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# Likewise, at the end of the mbuf_rw and mbuf_ro, with overlap.
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# If this test FAILs, it's probably a genuine bug unrelated to whether
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# the core file includes a section describing memory address to file
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# mappings or not. (So don't xfail it!)
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gdb_test {print/x mbuf_rw[pagesize-3]@6} {\{0x0, 0x0, 0x0, 0x6b, 0x6b, 0x6b\}}
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if { $xfail } { setup_xfail "*-*-*" }
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gdb_test {print/x mbuf_ro[pagesize-3]@6} {\{0x0, 0x0, 0x0, 0xc5, 0xc5, 0xc5\}}
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# Check contents of (what should be) buf_rw and buf_ro immediately after
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# mbuf_rw and mbuf_ro holes.
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gdb_test {print/x mbuf_rw[pagesize]@4} {\{0x6b, 0x6b, 0x6b, 0x6b\}}
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gdb_test {print/x mbuf_ro[pagesize]@4} {\{0xc5, 0xc5, 0xc5, 0xc5\}}
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# Check contents at ends of buf_rw and buf_rw.
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gdb_test {print/x buf_rw[sizeof(buf_rw)-4]@4} {\{0x6b, 0x6b, 0x6b, 0x6b\}}
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gdb_test {print/x buf_ro[sizeof(buf_ro)-4]@4} {\{0xc5, 0xc5, 0xc5, 0xc5\}}
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}
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# Run tests with kernel-produced core file.
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with_test_prefix "kernel core" {
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do_tests
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}
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# Verify that "maint print core-file-backed-mappings" exists and does
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# not crash GDB. If it produces any output at all, make sure that
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# that output at least mentions binfile.
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set test "maint print core-file-backed-mappings"
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gdb_test_multiple $test "" {
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-re ".*$binfile.*$gdb_prompt $" {
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pass $test
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}
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-re "^$test\[\r\n\]*$gdb_prompt $" {
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pass "$test (no output)"
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}
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}
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# Test again with executable renamed during loading of core file.
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with_test_prefix "renamed binfile" {
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# Don't load $binfile in this call to clean_restart. (BFD will
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# complain that $binfile has disappeared after the rename if it's
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# loaded first.)
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clean_restart
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# Rename $binfile so that it won't be found during loading of
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# the core file.
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set hide_binfile [standard_output_file "${testfile}.hide"]
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remote_exec host "mv -f $binfile $hide_binfile"
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# Load core file - check that a warning is printed.
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global xfail
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if { $xfail } { setup_xfail "*-*-*" }
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gdb_test "core-file $corefile" \
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"warning: Can't open file.*during.* note processing.*Core was generated by .*\#0 .*\(\)" \
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"load core file without having first loaded binfile"
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# Restore $binfile and then load it.
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remote_exec host "mv -f $hide_binfile $binfile"
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gdb_load ${binfile}
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do_tests
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}
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# Restart and run to the abort call.
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clean_restart $binfile
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if {![runto_main]} {
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return
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}
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gdb_breakpoint [gdb_get_line_number "abort"]
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gdb_continue_to_breakpoint "at abort"
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# Do not execute abort call; instead, invoke gcore command to make a
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# gdb-produced core file.
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set corefile [standard_output_file gcore.test]
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set core_supported [gdb_gcore_cmd "$corefile" "save a corefile"]
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if {!$core_supported} {
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return
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}
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# maint print-core-file-backed-mappings shouldn't produce any output
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# when not debugging a core file.
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gdb_test_no_output "maint print core-file-backed-mappings" \
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"maint print core-file-backed-mapping with no core file"
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clean_restart $binfile
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set core_loaded [gdb_core_cmd "$corefile" "re-load generated corefile"]
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if { $core_loaded == -1 } {
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# No use proceeding from here.
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return
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}
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# Run tests using gcore-produced core file.
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with_test_prefix "gcore core" {
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do_tests
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}
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