binutils-gdb/gdb/testsuite/gdb.base/siginfo-obj.exp

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# Copyright 2004, 2007-2008, 2010-2012 Free Software Foundation, Inc.
2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/ * target.h (enum target_object): Add new TARGET_OBJECT_SIGNAL_INFO. * infrun.c (siginfo_value_read, siginfo_value_write): New. (siginfo_value_funcs): New. (siginfo_make_value): New. (_initialize_infrun): Create the $_siginfo convenience variable. * gdbtypes.h (append_composite_type_field_aligned): Declare. * gdbtypes.c (append_composite_type_field): Rename to... (append_composite_type_field_aligned): ... this. Add ALIGNMENT argument. Handle it. (append_composite_type_field): Rewrite on top of append_composite_type_field_aligned. * value.h (internalvar_make_value): New typedef. (struct internalvar) <make_value>: New field. (create_internalvar_type_lazy): Declare. * value.c (create_internalvar): Clear make_value. (create_internalvar_type_lazy): New. (value_of_internalvar): If make_value is set use it. (preserve_values): Skip internal variables that don't have a value. * gdbarch.sh (get_siginfo_type): New. * gdbarch.h, gdbarch.c: Regenerate. * linux-tdep.h, linux-tdep.c: New. * amd64-linux-tdep.c: Include "linux-tdep.h". (amd64_linux_init_abi): Register linux_get_siginfo_type and linux_get_siginfo_mapper. * i386-linux-tdep.c: Include "linux-tdep.h". (i386_linux_init_abi): Register linux_get_siginfo_type and linux_get_siginfo_mapper. * arm-linux-tdep.c: Include "linux-tdep.h". (i386_linux_init_abi): Register linux_get_siginfo_type and linux_get_siginfo_mapper. * linux-nat.c (linux_xfer_siginfo): New. (linux_nat_xfer_partial): Handle TARGET_OBJECT_SIGNAL_INFO. * remote.c (PACKET_qXfer_siginfo_read) (PACKET_qXfer_siginfo_write): New. (feature remote_protocol_features): Add "qXfer:siginfo:read" and "qXfer:siginfo:write" features. (remote_xfer_partial): Handle TARGET_OBJECT_SIGNAL_INFO. (_initialize_remote): Add "set/show remote read-siginfo-object" and "set/show remote write-siginfo-object" commands. * Makefile.in (ALL_TARGET_OBS): Add linux-tdep.o. (HFILES_NO_SRCDIR): Add linux-tdep.h. (ALLDEPFILES): Add linux-tdep.c. * configure.tgt (arm*-*-linux* | arm*-*-uclinux*) (i[34567]86-*-linux*, x86_64-*-linux*): Add linux-tdep.o to gdb_target_obs. 2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/gdbserver/ * server.c (handle_query): Report qXfer:siginfo:read and qXfer:siginfo:write as supported and handle them. * target.h (struct target_ops) <qxfer_siginfo>: New field. * linux-low.c (linux_xfer_siginfo): New. (linux_target_ops): Set it. 2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/doc/ * gdb.texinfo (Signals): Document $_siginfo. (Convenience Variables): Mention $_siginfo. (Remote Configuration): Document qXfer:siginfo:read, qXfer:siginfo:write packets, and the read-siginfo-object, write-siginfo-object commands. 2009-02-06 Pedro Alves <pedro@codesourcery.com> gdb/testsuite/ * gdb.base/siginfo-obj.c, gdb.base/siginfo-obj.exp: New.
2009-02-06 23:59:01 +01:00
# 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/>.
# The program siginfo-obj.c arranges for a signal handler registered
# using sigaction's sa_sigaction / SA_SIGINFO to be called with
# si_addr filled in.
# This test confirms that we can inspect signal info using the
# $_siginfo convenience variable.
if [target_info exists gdb,nosignals] {
verbose "Skipping siginfo-obj.exp because of nosignals."
continue
}
if { ! [istarget "i?86-*-linux*"]
&& ! [istarget "x86_64-*-linux*"]
&& ! [istarget "arm*-*-linux*"] } {
verbose "Skipping siginfo-obj.exp because of lack of support."
return
}
set testfile siginfo-obj
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested "Couldn't compile ${srcfile}.c"
return -1
}
# get things started
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# Advance to main
if { ![runto_main] } then {
gdb_suppress_tests;
}
# Run to the signal.
gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal"
set ssi_addr ""
set test "Extract si_addr"
gdb_test_multiple "p \$_siginfo" "$test" {
-re "si_addr = ($hex).*$gdb_prompt $" {
set ssi_addr $expect_out(1,string)
pass "$test"
}
}
set test "Extract si_errno"
gdb_test_multiple "p \$_siginfo" "$test" {
-re "si_errno = (\[0-9\]\+).*$gdb_prompt $" {
set ssi_errno $expect_out(1,string)
pass "$test"
}
}
set test "Extract si_code"
gdb_test_multiple "p \$_siginfo" "$test" {
-re "si_code = (\[0-9\]\+).*$gdb_prompt $" {
set ssi_code $expect_out(1,string)
pass "$test"
}
}
set test "Extract si_signo"
gdb_test_multiple "p \$_siginfo" "$test" {
-re "si_signo = (\[0-9\]\+).*$gdb_prompt $" {
set ssi_signo $expect_out(1,string)
pass "$test"
}
}
set bp_location [gdb_get_line_number "set breakpoint here"]
gdb_test "break $bp_location"
gdb_test "continue" ".* handler .*" "continue to handler"
gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr"
gdb_test "p ssi_errno" " = $ssi_errno"
gdb_test "p ssi_code" " = $ssi_code"
gdb_test "p ssi_signo" " = $ssi_signo"
# Again, but this time, patch si_addr and check that the inferior sees
# the changed value.
# Advance to main
if { ![runto_main] } then {
gdb_suppress_tests;
}
# Run to the signal.
gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal"
set test "Set si_addr"
gdb_test "p \$_siginfo._sifields._sigfault.si_addr = 0x666" " = \\(void \\*\\) 0x666"
gdb_test "p \$_siginfo.si_errno = 666" " = 666"
gdb_test "p \$_siginfo.si_code = 999" " = 999"
gdb_test "p \$_siginfo.si_signo = 11" " = 11"
gdb_test "break $bp_location"
gdb_test "continue" ".* handler .*" "continue to handler"
gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666"
gdb_test "p ssi_errno" " = 666"
gdb_test "p ssi_code" " = 999"
gdb_test "p ssi_signo" " = 11"