mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
104 lines
3.0 KiB
Plaintext
104 lines
3.0 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
|
|
#
|
|
# Copyright 2016-2021 Free Software Foundation, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
#
|
|
# This is a variant of tailcall.exp where the entire trace contains only tail
|
|
# calls. This used to cause a crash in get_frame_type.
|
|
#
|
|
|
|
if { [skip_btrace_tests] } {
|
|
unsupported "target does not support record-btrace"
|
|
return -1
|
|
}
|
|
|
|
# This test requires the compiler to generate a tail call. To guarantee that
|
|
# we always get one, we use an assembly source file.
|
|
#
|
|
# We use different assembly sources based on the target architecture.
|
|
#
|
|
# Luckily, they are similar enough that a single test script can handle
|
|
# both.
|
|
set opts {}
|
|
if [info exists COMPILE] {
|
|
# make check RUNTESTFLAGS="gdb.btrace/tailcall-only.exp COMPILE=1"
|
|
standard_testfile tailcall-only.c
|
|
lappend opts debug optimize=-O2
|
|
} elseif {[istarget "i?86-*-*"] || [istarget "x86_64-*-*"]} {
|
|
if {[is_amd64_regs_target]} {
|
|
standard_testfile x86_64-tailcall-only.S
|
|
} else {
|
|
standard_testfile i686-tailcall-only.S
|
|
}
|
|
} else {
|
|
unsupported "target architecture not supported"
|
|
return -1
|
|
}
|
|
|
|
if [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] {
|
|
return -1
|
|
}
|
|
|
|
if ![runto_main] {
|
|
untested "failed to run to main"
|
|
return -1
|
|
}
|
|
|
|
# we want to see the full trace for this test
|
|
gdb_test_no_output "set record function-call-history-size 0"
|
|
|
|
# trace foo
|
|
gdb_test "step" ".*" "prepare for recording"
|
|
gdb_test_no_output "record btrace"
|
|
gdb_test "stepi 4" ".*" "record branch trace"
|
|
|
|
# for debugging
|
|
gdb_test "info record" ".*"
|
|
|
|
# show the branch trace with calls indented
|
|
gdb_test "record function-call-history /c 1" [multi_line \
|
|
"1\tfoo" \
|
|
"2\t foo_1" \
|
|
"3\t bar" \
|
|
"4\t bar_1"
|
|
] "function-call-history"
|
|
|
|
# We can step
|
|
gdb_test "record goto begin" ".*foo.*"
|
|
gdb_test "stepi" ".*foo_1.*" "step into foo_1"
|
|
gdb_test "step" ".*bar.*" "step into bar"
|
|
gdb_test "stepi" ".*bar_1.*" "step into bar_1"
|
|
|
|
# We can neither finish nor return.
|
|
gdb_test "finish" "Cannot find the caller frame.*"
|
|
gdb_test_multiple "return" "return" {
|
|
-re "Make .* return now.*y or n. $" {
|
|
send_gdb "y\n"
|
|
exp_continue
|
|
}
|
|
-re "Cannot find the caller frame.*$gdb_prompt $" {
|
|
pass "return"
|
|
}
|
|
}
|
|
|
|
# But we can reverse-finish
|
|
gdb_test "reverse-finish" ".*bar.*"
|
|
gdb_test "reverse-step" ".*foo_1.*"
|
|
|
|
# Info frame isn't useful but doesn't crash as it used to.
|
|
gdb_test "up" ".*foo.*"
|
|
gdb_test "info frame" ".*"
|