| 1 |
25 |
jlechner |
# Copyright 2007, 2008 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 .
|
| 15 |
|
|
|
| 16 |
|
|
# Please email any bugs, comments, and/or additions to this file to:
|
| 17 |
|
|
# bug-gdb@gnu.org
|
| 18 |
|
|
|
| 19 |
|
|
# This file is part of the gdb testsuite.
|
| 20 |
|
|
|
| 21 |
|
|
# Unwinding of DW_CFA_GNU_negative_offset_extended test program.
|
| 22 |
|
|
|
| 23 |
|
|
if $tracelevel {
|
| 24 |
|
|
strace $tracelevel
|
| 25 |
|
|
}
|
| 26 |
|
|
|
| 27 |
|
|
# Test i386 unwinder.
|
| 28 |
|
|
|
| 29 |
|
|
set prms_id 0
|
| 30 |
|
|
set bug_id 0
|
| 31 |
|
|
|
| 32 |
|
|
if ![istarget "i?86-*-*"] then {
|
| 33 |
|
|
verbose "Skipping i386 unwinder tests."
|
| 34 |
|
|
return
|
| 35 |
|
|
}
|
| 36 |
|
|
|
| 37 |
|
|
set testfile "i386-gnu-cfi"
|
| 38 |
|
|
set srcfilec ${testfile}.c
|
| 39 |
|
|
set srcfileasm ${testfile}-asm.S
|
| 40 |
|
|
set binfile ${objdir}/${subdir}/${testfile}
|
| 41 |
|
|
|
| 42 |
|
|
# some targets have leading underscores on assembly symbols.
|
| 43 |
|
|
# TODO: detect this automatically
|
| 44 |
|
|
set additional_flags ""
|
| 45 |
|
|
if [istarget "i?86-*-cygwin*"] then {
|
| 46 |
|
|
set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
|
| 47 |
|
|
}
|
| 48 |
|
|
|
| 49 |
|
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfilec} ${srcdir}/${subdir}/${srcfileasm}" "${binfile}" executable [list debug $additional_flags]] != "" } {
|
| 50 |
|
|
untested i386-gnu-cfi.exp
|
| 51 |
|
|
return -1
|
| 52 |
|
|
}
|
| 53 |
|
|
|
| 54 |
|
|
# Get things started.
|
| 55 |
|
|
|
| 56 |
|
|
gdb_exit
|
| 57 |
|
|
gdb_start
|
| 58 |
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
| 59 |
|
|
gdb_load ${binfile}
|
| 60 |
|
|
|
| 61 |
|
|
# We should stop in abort(3).
|
| 62 |
|
|
|
| 63 |
|
|
gdb_run_cmd
|
| 64 |
|
|
|
| 65 |
|
|
gdb_test_multiple {} "continue to abort()" {
|
| 66 |
|
|
-re ".*Program received signal SIGABRT,.*$gdb_prompt $" {
|
| 67 |
|
|
pass "continue to abort()"
|
| 68 |
|
|
}
|
| 69 |
|
|
}
|
| 70 |
|
|
|
| 71 |
|
|
# Backtrace would crash before.
|
| 72 |
|
|
|
| 73 |
|
|
gdb_test "bt" \
|
| 74 |
|
|
"main \\(\\) at .*${testfile}.c.*" \
|
| 75 |
|
|
"backtrace"
|
| 76 |
|
|
|
| 77 |
|
|
# Check we see the inserted `DW_CFA_GNU_negative_offset_extended' CFI.
|
| 78 |
|
|
# We see there the original CFI-stored filename `gate.c'.
|
| 79 |
|
|
|
| 80 |
|
|
gdb_test "up 3" \
|
| 81 |
|
|
"gate \\(\[^()\]*\\) at .*gate.c.*" \
|
| 82 |
|
|
"shift up to the modified frame"
|
| 83 |
|
|
|
| 84 |
|
|
gdb_test_multiple "info frame" "Existence of the CFI inserted register" {
|
| 85 |
|
|
-re "Stack level 3, frame at (0x\[0-9a-f\]+):.*Saved registers:.* ecx at (0x\[0-9a-f\]+),.*" {
|
| 86 |
|
|
pass "Existence of the CFI inserted register"
|
| 87 |
|
|
if { [string compare $expect_out(1,string) $expect_out(2,string)] } then {
|
| 88 |
|
|
fail "Value of the CFI inserted register"
|
| 89 |
|
|
} else {
|
| 90 |
|
|
pass "Value of the CFI inserted register"
|
| 91 |
|
|
}
|
| 92 |
|
|
}
|
| 93 |
|
|
}
|
