84 lines
2.4 KiB
Plaintext
84 lines
2.4 KiB
Plaintext
# Copyright 2007-2016 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/>.
|
|
|
|
# Please email any bugs, comments, and/or additions to this file to:
|
|
# bug-gdb@gnu.org
|
|
|
|
# This file is part of the gdb testsuite.
|
|
|
|
# Unwinding of DW_CFA_GNU_negative_offset_extended test program.
|
|
|
|
# Test i386 unwinder.
|
|
|
|
|
|
if { ![is_x86_like_target] } then {
|
|
verbose "Skipping i386 unwinder tests."
|
|
return
|
|
}
|
|
|
|
set testfile "i386-gnu-cfi"
|
|
set srcfilec ${testfile}.c
|
|
set srcfileasm ${testfile}-asm.S
|
|
set binfile ${objdir}/${subdir}/${testfile}
|
|
|
|
# some targets have leading underscores on assembly symbols.
|
|
set additional_flags [gdb_target_symbol_prefix_flags]
|
|
|
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfilec} ${srcdir}/${subdir}/${srcfileasm}" "${binfile}" executable [list debug $additional_flags]] != "" } {
|
|
untested i386-gnu-cfi.exp
|
|
return -1
|
|
}
|
|
|
|
# Get things started.
|
|
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
|
|
# We should stop in abort(3).
|
|
|
|
gdb_run_cmd
|
|
|
|
gdb_test_multiple {} "continue to abort()" {
|
|
-re ".*Program received signal SIGABRT,.*$gdb_prompt $" {
|
|
pass "continue to abort()"
|
|
}
|
|
}
|
|
|
|
# Backtrace would crash before.
|
|
|
|
gdb_test "bt" \
|
|
"main \\(\\) at .*${testfile}.c.*" \
|
|
"backtrace"
|
|
|
|
# Check we see the inserted `DW_CFA_GNU_negative_offset_extended' CFI.
|
|
# We see there the original CFI-stored filename `gate.c'.
|
|
|
|
gdb_test "up 3" \
|
|
"gate \\(\[^()\]*\\) at .*gate.c.*" \
|
|
"shift up to the modified frame"
|
|
|
|
gdb_test_multiple "info frame" "Existence of the CFI inserted register" {
|
|
-re "Stack level 3, frame at (0x\[0-9a-f\]+):.*Saved registers:.* ecx at (0x\[0-9a-f\]+),.*" {
|
|
pass "Existence of the CFI inserted register"
|
|
if { [string compare $expect_out(1,string) $expect_out(2,string)] } then {
|
|
fail "Value of the CFI inserted register"
|
|
} else {
|
|
pass "Value of the CFI inserted register"
|
|
}
|
|
}
|
|
}
|