diff options
Diffstat (limited to 'gdb/testsuite/gdb.arch/i386-gnu-cfi.exp')
-rw-r--r-- | gdb/testsuite/gdb.arch/i386-gnu-cfi.exp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.arch/i386-gnu-cfi.exp b/gdb/testsuite/gdb.arch/i386-gnu-cfi.exp new file mode 100644 index 0000000..a3d24d7 --- /dev/null +++ b/gdb/testsuite/gdb.arch/i386-gnu-cfi.exp @@ -0,0 +1,94 @@ +# Copyright 2007 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# 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. + +if $tracelevel { + strace $tracelevel +} + +# Test i386 unwinder. + +set prms_id 0 +set bug_id 0 + +if ![istarget "i?86-*-*"] 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}/${testfile} + +# some targets have leading underscores on assembly symbols. +# TODO: detect this automatically +set additional_flags "" +if [istarget "i?86-*-cygwin*"] then { + set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\"" +} + +if { [gdb_compile "${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" + } + } +} |