mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-28 22:40:24 +00:00
* configure.in (signaldirs): Define and add to configdirs for all
targets except some specific ones that are known to not support signals.
Also clean up formatting.
* gdb.base/Makefile.in (EXECUTABLES): Remove sigall and signals.
(signals, sigall): Remove rules to build.
* gdb.base/{sigall.c, sigall.exp, signals.c, signals.exp}:
Moved to new gdb.signals directory.
* gdb.signals: New test directory.
* gdb.signals/{Makefile.in, configure.in, sigall.c, sigall.exp,
signals.c signals.exp}: New or moved files.
This commit is contained in:
Fred Fish
parent
a35809e30d
commit
3ba76bd840
@ -14,51 +14,61 @@ configdirs="gdb.base gdb.c++ gdb.chill gdb.disasm"
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# debugging format.
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stabsdirs="gdb.stabs"
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# Directories to use for a configuration which supports signals.
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# This usually excludes cross targets.
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signaldirs="gdb.signals"
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# per-host:
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# per-target:
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# everything defaults to unix for a target
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# everything defaults to unix for a target
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target_abbrev=unix
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target_makefile_frag=config/mt-unix
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# this section is for all targets
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# this section is for all targets
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case "${target}" in
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i[345]86-*-aout) target_makefile_frag=config/mt-i386-aout ;;
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*-*-lynx) target_makefile_frag=config/mt-lynx ;;
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*-*-netware) target_makefile_frag=config/mt-netware ;;
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*-*-vxworks*) target_makefile_frag=config/mt-vxworks ;;
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m68k-*-*) target_makefile_frag=config/mt-m68k ;;
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i960-*-nindy) target_makefile_frag=config/mt-i960-nindy ;;
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a29k-*-udi) target_makefile_frag=config/mt-a29k-udi ;;
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sparclite-*-*) target_makefile_frag=config/mt-slite ;;
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sparc-*-aout) target_makefile_frag=config/mt-sparc-aout ;;
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mips-*-ecoff) target_makefile_frag=config/mt-mips-ecoff ;;
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*-*-lynx) target_makefile_frag=config/mt-lynx ;;
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*-*-netware) target_makefile_frag=config/mt-netware ;;
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*-*-vxworks*) target_makefile_frag=config/mt-vxworks ;;
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m68k-*-*) target_makefile_frag=config/mt-m68k ;;
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i960-*-nindy) target_makefile_frag=config/mt-i960-nindy ;;
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a29k-*-udi) target_makefile_frag=config/mt-a29k-udi ;;
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sparclite-*-*) target_makefile_frag=config/mt-slite ;;
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sparc-*-aout) target_makefile_frag=config/mt-sparc-aout ;;
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mips-*-ecoff) target_makefile_frag=config/mt-mips-ecoff ;;
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esac
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# add stabs tests for appropriate targets
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case "${target}" in
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rs6000-*-aix*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-bsd*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-go32*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-linux*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-lynxos*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-sun-*) configdirs="${configdirs} ${stabsdirs}" ;;
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hppa*-*-*) configdirs="${configdirs} ${stabsdirs}" ;;
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rs6000-*-aix*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-bsd*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-go32*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-linux*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-*-lynxos*) configdirs="${configdirs} ${stabsdirs}" ;;
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*-sun-*) configdirs="${configdirs} ${stabsdirs}" ;;
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hppa*-*-*) configdirs="${configdirs} ${stabsdirs}" ;;
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*) if [ x${with_stabs} = xyes ]; then
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configdirs="${configdirs} ${stabsdirs}"
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fi
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;;
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*) if [ x${with_stabs} = xyes ]; then
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configdirs="${configdirs} ${stabsdirs}"
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fi
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;;
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esac
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# link in the lib directory if needed
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# add signal tests for appropriate targets
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case "${target}" in
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sh*-hms) ;;
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*) configdirs="${configdirs} ${signaldirs}" ;;
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esac
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# link in the lib directory if needed
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#if [ ! -d lib ] ; then
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# files="lib"
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# links="lib"
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#fi
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# make list of files and links based on tool name
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# make list of files and links based on tool name
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tool_list="${tool_list} gdb"
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#for i in ${tool_list};
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#do
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File diff suppressed because it is too large
Load Diff
@ -1,170 +0,0 @@
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# Copyright (C) 1995 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 2 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, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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gdb_reinitialize_dir $srcdir/$subdir
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set binfile $objdir/$subdir/sigall
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if ![file exists $binfile] then {
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perror "$binfile does not exist."
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return 0
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}
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# Make the first signal SIGABRT because it is always supported.
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set sig_supported 1
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set thissig "ABRT"
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proc test_one_sig {nextsig} {
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global sig_supported
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global prompt
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global thissig
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set this_sig_supported $sig_supported
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gdb_test "handle SIG$thissig stop print" \
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"SIG$thissig\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes"
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gdb_test "b handle_$thissig" "Breakpoint \[0-9\]"
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gdb_test "b gen_$nextsig" "Breakpoint \[0-9\]"
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set need_another_continue 1
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if $this_sig_supported then {
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send "continue\n"
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expect {
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-re "Continuing.*Program received signal SIG$thissig.*$prompt $" {
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pass "get signal $thissig"
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}
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-re ".*$prompt $" {
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fail "get signal $thissig"
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set need_another_continue 0
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}
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default {
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fail "get signal $thissig (eof or timeout)"
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}
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}
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}
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if $need_another_continue then {
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gdb_test "continue" \
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"Breakpoint.*handle_$thissig" "send signal $thissig"
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}
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send "signal 0\n"
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expect {
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-re "Breakpoint.*gen_$nextsig.*kill.*$prompt $" {
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pass "advance to $nextsig"
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set sig_supported 1
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}
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-re "Breakpoint.*gen_$nextsig.*handle.*$prompt $" {
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pass "advance to $nextsig"
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set sig_supported 0
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}
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-re ".*$prompt $" { fail "advance to $nextsig" }
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default { fail "advance to $nextsig (eof or timeout)" }
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}
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set thissig $nextsig
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}
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gdb_load $binfile
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runto gen_ABRT
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test_one_sig HUP
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test_one_sig QUIT
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test_one_sig ILL
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test_one_sig EMT
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test_one_sig FPE
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test_one_sig BUS
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test_one_sig SEGV
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test_one_sig SYS
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test_one_sig PIPE
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test_one_sig ALRM
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test_one_sig URG
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test_one_sig TSTP
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test_one_sig CONT
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test_one_sig CHLD
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test_one_sig TTIN
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test_one_sig TTOU
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test_one_sig IO
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test_one_sig XCPU
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test_one_sig XFSZ
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test_one_sig VTALRM
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test_one_sig PROF
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test_one_sig WINCH
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test_one_sig LOST
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test_one_sig USR1
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test_one_sig USR2
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test_one_sig PWR
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test_one_sig POLL
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test_one_sig WIND
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test_one_sig PHONE
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test_one_sig WAITING
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test_one_sig LWP
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test_one_sig DANGER
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test_one_sig GRANT
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test_one_sig RETRACT
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test_one_sig MSG
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test_one_sig SOUND
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test_one_sig SAK
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test_one_sig PRIO
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test_one_sig 33
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test_one_sig 34
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test_one_sig 35
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test_one_sig 36
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test_one_sig 37
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test_one_sig 38
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test_one_sig 39
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test_one_sig 40
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test_one_sig 41
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test_one_sig 42
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test_one_sig 43
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test_one_sig 44
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test_one_sig 45
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test_one_sig 46
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test_one_sig 47
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test_one_sig 48
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test_one_sig 49
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test_one_sig 50
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test_one_sig 51
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test_one_sig 52
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test_one_sig 53
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test_one_sig 54
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test_one_sig 55
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test_one_sig 56
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test_one_sig 57
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test_one_sig 58
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test_one_sig 59
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test_one_sig 60
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test_one_sig 61
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test_one_sig 62
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test_one_sig 63
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test_one_sig TERM
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# The last signal (SIGTERM) gets handled slightly differently because
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# we are not setting up for another test.
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gdb_test "handle SIGTERM stop print" \
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"SIGTERM\[ \t\]*Yes\[ \t\]*Yes\[ \t\]*Yes"
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gdb_test "b handle_TERM" "Breakpoint \[0-9\]"
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gdb_test "continue" \
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"Continuing.*Program received signal SIGTERM" \
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"get signal TERM"
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gdb_test "continue" "Breakpoint.*handle_TERM" "send signal TERM"
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gdb_test "continue" "Program exited normally" "continue to sigall exit"
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return 0
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@ -1,317 +0,0 @@
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set binfile $objdir/$subdir/signals
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if ![file exists $binfile] then {
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perror "$binfile does not exist."
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return 0
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}
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proc signal_tests_1 {} {
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global prompt
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if [runto_main] then {
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gdb_test "next" "signal \\(SIGUSR1.*" \
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"next over signal (SIGALRM, handler)"
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gdb_test "next" "alarm \\(.*" \
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"next over signal (SIGUSR1, handler)"
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gdb_test "next" "\\+\\+count; /\\* first \\*/" \
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"next over alarm (1)"
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# An alarm has been signaled, give the signal time to get delivered.
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exec sleep 2
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# i386 BSD currently fails the next test with a SIGTRAP.
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setup_xfail "i*86-*-bsd*"
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# But Dynix has a DECR_PC_AFTER_BREAK of zero, so the failure
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# is shadowed by hitting the through_sigtramp_breakpoint.
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clear_xfail "i*86-sequent-bsd*"
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# Univel SVR4 i386 continues instead of stepping.
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setup_xfail "i*86-univel-sysv4*"
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send "next\n"
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expect {
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-re "alarm .*$prompt $" { pass "next to 2nd alarm (1)" }
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-re "Program received signal SIGTRAP.*first.*$prompt $" {
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# This can happen on machines that have a trace flag
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# in their PS register.
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# The trace flag in the PS register will be set due to
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# the `next' command.
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# Before calling the signal handler, the PS register
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# is pushed along with the context on the user stack.
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# When the signal handler has finished, it reenters the
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# the kernel via a sigreturn syscall, which restores the
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# PS register along with the context.
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# If the kernel erroneously does not clear the trace flag
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# in the pushed context, gdb will receive a SIGTRAP from
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# the set trace flag in the restored context after the
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# signal handler has finished.
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# I do not yet understand why the SIGTRAP does not occur
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# after stepping the instruction at the restored PC on
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# i386 BSDI 1.0 systems.
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# Note that the vax under Ultrix also exhibits
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# this behaviour (it is uncovered by the `continue from
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# a break in a signal handler' test below).
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# With this test the failure is shadowed by hitting the
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# through_sigtramp_breakpoint upon return from the signal
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# handler.
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fail "next to 2nd alarm (1) (probably kernel bug)"
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gdb_test "next" "alarm.*" "next to 2nd alarm (1)"
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}
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-re "Program exited with code.*$prompt $" {
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# This is apparently a bug in the UnixWare kernel (but
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# has not been investigated beyond the
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# resume/target_wait level, and has not been reported
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# to Univel). If it steps when a signal is pending,
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# it does a continue instead. I don't know whether
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# there is a workaround.
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# Perhaps this problem exists on other SVR4 systems;
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# but (a) we have no reason to think so, and (b) if we
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# put a wrong xfail here, we never get an XPASS to let
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# us know that it was incorrect (and then if such a
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# configuration regresses we have no way of knowing).
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# Solaris is not a relevant data point either way
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# because it lacks single stepping.
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fail "'next' behaved as 'continue'"
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return 0
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}
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-re ".*$prompt $" { fail "next to 2nd alarm (1)" }
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timeout { fail "next to 2nd alarm (1); (timeout)" }
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eof { fail "next to 2nd alarm (1); (eof)" }
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}
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gdb_test "break handler" "Breakpoint \[0-9\]+ .*"
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gdb_test "next" "\\+\\+count; /\\* second \\*/" \
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"next to 2nd ++count in signals_tests_1"
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# An alarm has been signaled, give the signal time to get delivered.
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exec sleep 2
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set bash_bug 0
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send "next\n"
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expect {
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-re "Breakpoint.*handler.*$prompt $" {
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pass "next to handler in signals_tests_1"
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}
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-re "Program received signal SIGEMT.*$prompt $" {
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# Bash versions before 1.13.5 cause this behaviour
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# by blocking SIGTRAP.
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fail "next to handler in signals_tests_1 (known problem with bash versions before 1.13.5)"
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set bash_bug 1
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gdb_test "signal 0" "Breakpoint.*handler.*"
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}
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-re ".*$prompt $" { fail "next to handler in signals_tests_1" }
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timeout { fail "next to handler in signals_tests_1 (timeout)" }
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eof { fail "next to handler in signals_tests_1 (eof)" }
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}
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# This doesn't test that main is frame #2, just that main is frame
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# #2, #3, or higher. At some point this should be fixed (but
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# it quite possibly would introduce new FAILs on some systems).
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gdb_test "backtrace" "#0.*handler.*#1.*#2.*main.*" \
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"backtrace in signals_tests_1"
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gdb_test "break func1" "Breakpoint \[0-9\]+ .*"
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gdb_test "break func2" "Breakpoint \[0-9\]+ .*"
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# Vax Ultrix and i386 BSD currently fail the next test with
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# a SIGTRAP, but with different symptoms.
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setup_xfail "vax-*-ultrix*"
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setup_xfail "i*86-*-bsd*"
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send "continue\n"
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expect {
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-re "Breakpoint.*func1.*$prompt $" { pass "continue to func1" }
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-re "Program received signal SIGTRAP.*second.*$prompt $" {
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||||
# See explanation for `next to 2nd alarm (1)' fail above.
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# We did step into the signal handler, hit a breakpoint
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# in the handler and continued from the breakpoint.
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# The set trace flag in the restored context is causing
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# the SIGTRAP, without stepping an instruction.
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fail "continue to func1 (probably kernel bug)"
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gdb_test "continue" "Breakpoint.*func1.*" \
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"extra continue to func1"
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}
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-re "Program received signal SIGTRAP.*func1 ..;.*$prompt $" {
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# On the vax under Ultrix the set trace flag in the restored
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# context is causing the SIGTRAP, but after stepping one
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# instruction, as expected.
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fail "continue to func1 (probably kernel bug)"
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gdb_test "continue" "Breakpoint.*func1.*" \
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"extra continue to func1"
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||||
}
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||||
-re ".*$prompt $" { fail "continue to func1" }
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default { fail "continue to func1" }
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}
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||||
|
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setup_xfail "*-*-irix*"
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send "signal SIGUSR1\n"
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expect {
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-re "Breakpoint.*handler.*$prompt $" { pass "signal SIGUSR1" }
|
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-re "Program received signal SIGUSR1.*$prompt $" {
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||||
# This is what irix4 and irix5 do.
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||||
# It would appear to be a kernel bug.
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fail "signal SIGUSR1"
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gdb_test "continue" "Breakpoint.*handler.*" "pass it SIGUSR1"
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}
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-re ".*$prompt $" { fail "signal SIGUSR1" }
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||||
default { fail "signal SIGUSR1" }
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}
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||||
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||||
# Will tend to wrongly require an extra continue.
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||||
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# The problem here is that the breakpoint at func1 will be
|
||||
# inserted, and when the system finishes with the signal
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||||
# handler it will try to execute there. For GDB to try to
|
||||
# remember that it was going to step over a breakpoint when a
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||||
# signal happened, distinguish this case from the case where
|
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# func1 is called from the signal handler, etc., seems
|
||||
# exceedingly difficult. So don't expect this to get fixed
|
||||
# anytime soon.
|
||||
|
||||
setup_xfail "*-*-*"
|
||||
send "continue\n"
|
||||
expect {
|
||||
-re "Breakpoint.*func2.*$prompt $" { pass "continue to func2" }
|
||||
-re "Breakpoint.*func1.*$prompt $" {
|
||||
fail "continue to func2"
|
||||
gdb_test "continue" "Breakpoint.*func2.*" \
|
||||
"extra continue to func2"
|
||||
}
|
||||
-re ".*$prompt $" { fail "continue to func2" }
|
||||
default { fail "continue to func2" }
|
||||
}
|
||||
|
||||
exec sleep 2
|
||||
|
||||
# GDB yanks out the breakpoints to step over the breakpoint it
|
||||
# stopped at, which means the breakpoint at handler is yanked.
|
||||
# But if NO_SINGLE_STEP, we won't get another chance to reinsert
|
||||
# them (at least not with procfs, where we tell the kernel not
|
||||
# to tell gdb about `pass' signals). So the fix would appear to
|
||||
# be to just yank that one breakpoint when we step over it.
|
||||
|
||||
setup_xfail "sparc-*-*"
|
||||
setup_xfail "rs6000-*-*"
|
||||
|
||||
# A faulty bash will not step the inferior into sigtramp on sun3.
|
||||
if {$bash_bug} then {
|
||||
setup_xfail "m68*-*-sunos4*"
|
||||
}
|
||||
|
||||
gdb_test "continue" "Breakpoint.*handler.*" "continue to handler"
|
||||
|
||||
# If the NO_SINGLE_STEP failure happened, we have already exited.
|
||||
# If we succeeded a continue will return from the handler to func2.
|
||||
# GDB now has `forgotten' that it intended to step over the
|
||||
# breakpoint at func2 and will stop at func2.
|
||||
setup_xfail "*-*-*"
|
||||
# The sun3 with a faulty bash will also be `forgetful' but it
|
||||
# already got the spurious stop at func2 and this continue will work.
|
||||
if {$bash_bug} then {
|
||||
clear_xfail "m68*-*-sunos4*"
|
||||
}
|
||||
gdb_test "continue" "Program exited with code 010\\." \
|
||||
"continue to exit in signals_tests_1 "
|
||||
}
|
||||
}
|
||||
|
||||
# On a few losing systems, ptrace (PT_CONTINUE) or ptrace (PT_STEP)
|
||||
# causes pending signals to be cleared, which causes these tests to
|
||||
# get nowhere fast. This is totally losing behavior (perhaps there
|
||||
# are cases in which is it useful but the user needs more control,
|
||||
# which they mostly have in GDB), but some people apparently think it
|
||||
# is a feature. It is documented in the ptrace manpage on Motorola
|
||||
# Delta Series sysV68 R3V7.1 and on HPUX 9.0. Even the non-HPUX PA
|
||||
# OSes (BSD and OSF/1) seem to have figured they had to copy this
|
||||
# braindamage.
|
||||
|
||||
if {[ istarget "m68*-motorola-*" ] || [ istarget "hppa*-*-bsd*" ] ||
|
||||
[ istarget "*-*-hpux*" ] || [ istarget "hppa*-*-osf*" ]} then {
|
||||
setup_xfail "*-*-*"
|
||||
fail "ptrace loses on signals on this target"
|
||||
return 0
|
||||
}
|
||||
|
||||
gdb_exit
|
||||
gdb_start
|
||||
|
||||
# This will need to be updated as the exact list of signals changes,
|
||||
# but I want to test that TARGET_SIGNAL_0, TARGET_SIGNAL_DEFAULT, and
|
||||
# TARGET_SIGNAL_UNKNOWN are skipped.
|
||||
gdb_test "handle all print" "Signal Stop Print Pass to program Description\r\nSIGHUP Yes Yes Yes Hangup.*SIG63 Yes Yes Yes Real-time event 63"
|
||||
|
||||
gdb_exit
|
||||
gdb_start
|
||||
gdb_reinitialize_dir $srcdir/$subdir
|
||||
gdb_load $binfile
|
||||
signal_tests_1
|
||||
|
||||
# Force a resync, so we're looking at the right prompt. On SCO we
|
||||
# were getting out of sync (I don't understand why).
|
||||
send "p 1+1\n"
|
||||
expect {
|
||||
-re "= 2.*$prompt $" {}
|
||||
-re ".*$prompt $" { perror "sync trouble in signals.exp" }
|
||||
default { perror "sync trouble in signals.exp" }
|
||||
}
|
||||
|
||||
if [runto_main] then {
|
||||
gdb_test "break handler if 0" "Breakpoint \[0-9\]+ .*"
|
||||
gdb_test "set \$handler_breakpoint_number = \$bpnum" ""
|
||||
|
||||
# Get to the point where a signal is waiting to be delivered
|
||||
gdb_test "next" "signal \\(SIGUSR1.*" "next to signal in signals.exp"
|
||||
gdb_test "next" "alarm \\(.*" "next to alarm #1 in signals.exp"
|
||||
gdb_test "next" "\\+\\+count; /\\* first \\*/" \
|
||||
"next to ++count #1 in signals.exp"
|
||||
# Give the signal time to get delivered
|
||||
exec sleep 2
|
||||
|
||||
# Now call a function. When GDB tries to run the stack dummy,
|
||||
# it will hit the breakpoint at handler. Provided it doesn't
|
||||
# lose its cool, this is not a problem, it just has to note
|
||||
# that the breakpoint condition is false and keep going.
|
||||
|
||||
gdb_test "p func1 ()" "^p func1 \\(\\)\r\n.\[0-9\]* = void" \
|
||||
"p func1 () #1 in signals.exp"
|
||||
|
||||
# Make sure the count got incremented.
|
||||
|
||||
# Haven't investigated this xfail
|
||||
setup_xfail "rs6000-*-*"
|
||||
gdb_test "p count" "= 2" "p count #1 in signals.exp"
|
||||
if [istarget "rs6000-*-*"] { return 0 }
|
||||
|
||||
gdb_test "condition \$handler_breakpoint_number" "now unconditional\\."
|
||||
gdb_test "next" "alarm \\(.*" "next to alarm #2 in signals.exp"
|
||||
gdb_test "next" "\\+\\+count; /\\* second \\*/" \
|
||||
"next to ++count #2 in signals.exp"
|
||||
exec sleep 2
|
||||
|
||||
# This time we stop when GDB tries to run the stack dummy.
|
||||
# So it is OK that we do not print the return value from the function.
|
||||
gdb_test "p func1 ()" \
|
||||
"Breakpoint \[0-9\]*, handler.*
|
||||
The program being debugged stopped while in a function called from GDB.*" \
|
||||
"p func1 () #2 in signals.exp"
|
||||
# But we should be able to backtrace...
|
||||
gdb_test "bt" "#0.*handler.*#1.*#2.*main.*" "bt in signals.exp"
|
||||
# ...and continue...
|
||||
gdb_test "continue" "Continuing\\." "continue in signals.exp"
|
||||
# ...and then count should have been incremented
|
||||
gdb_test "p count" "= 5" "p count #2 in signals.exp"
|
||||
}
|
||||
|
||||
return 0
|
||||
Loading…
Reference in New Issue
Block a user