mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-06-24 20:28:28 +08:00
2004-05-13 Andrew Cagney <cagney@redhat.com>
* gdb.base/signull.exp, gdb.base/signull.c: New files. * gdb.base/gdb1476.c, gdb.base/gdb1476.exp: Delete files.
This commit is contained in:
Andrew Cagney
@ -1,3 +1,8 @@
|
|||||||
|
2004-05-13 Andrew Cagney <cagney@redhat.com>
|
||||||
|
|
||||||
|
* gdb.base/signull.exp, gdb.base/signull.c: New files.
|
||||||
|
* gdb.base/gdb1476.c, gdb.base/gdb1476.exp: Delete files.
|
||||||
|
|
||||||
2004-05-11 Andrew Cagney <cagney@redhat.com>
|
2004-05-11 Andrew Cagney <cagney@redhat.com>
|
||||||
|
|
||||||
* gdb.base/sigstep.exp (advancei): Update KFAILs. gdb/1613 is
|
* gdb.base/sigstep.exp (advancei): Update KFAILs. gdb/1613 is
|
||||||
|
|||||||
@ -1,12 +0,0 @@
|
|||||||
void x()
|
|
||||||
{
|
|
||||||
void (*fp)() = 0;
|
|
||||||
fp();
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
main()
|
|
||||||
{
|
|
||||||
x();
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
@ -1,72 +0,0 @@
|
|||||||
# Copyright 2004 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.
|
|
||||||
|
|
||||||
if $tracelevel {
|
|
||||||
strace $tracelevel
|
|
||||||
}
|
|
||||||
|
|
||||||
# Testcase for backtrace/gdb1476.
|
|
||||||
|
|
||||||
set prms_id 0
|
|
||||||
set bug_id 0
|
|
||||||
|
|
||||||
set testfile "gdb1476"
|
|
||||||
set srcfile ${testfile}.c
|
|
||||||
set binfile ${objdir}/${subdir}/${testfile}
|
|
||||||
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
|
||||||
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
|
|
||||||
}
|
|
||||||
|
|
||||||
gdb_exit
|
|
||||||
gdb_start
|
|
||||||
gdb_reinitialize_dir $srcdir/$subdir
|
|
||||||
gdb_load ${binfile}
|
|
||||||
|
|
||||||
#
|
|
||||||
# Run to `main' where we begin our tests.
|
|
||||||
#
|
|
||||||
|
|
||||||
if ![runto_main] then {
|
|
||||||
gdb_suppress_tests
|
|
||||||
}
|
|
||||||
|
|
||||||
# If we can examine what's at memory address 0, it is possible that we
|
|
||||||
# could also execute it. This could probably make us run away,
|
|
||||||
# executing random code, which could have all sorts of ill effects,
|
|
||||||
# especially on targets without an MMU. Don't run the tests in that
|
|
||||||
# case.
|
|
||||||
|
|
||||||
send_gdb "x 0\n"
|
|
||||||
gdb_expect {
|
|
||||||
-re "0x0:.*Cannot access memory at address 0x0.*$gdb_prompt $" { }
|
|
||||||
-re "0x0:.*Error accessing memory address 0x0.*$gdb_prompt $" { }
|
|
||||||
-re ".*$gdb_prompt $" {
|
|
||||||
untested "Memory at address 0 is possibly executable"
|
|
||||||
return
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
gdb_test "continue" "Program received signal SIGSEGV.*" \
|
|
||||||
"continue to null pointer call"
|
|
||||||
|
|
||||||
gdb_test "backtrace 10" \
|
|
||||||
"#0\[ \t\]*0x0* in .*\r\n#1\[ \t\]*$hex in x.*\r\n#2\[ \t\]*$hex in main.*" \
|
|
||||||
"backtrace from null pointer call"
|
|
||||||
68
gdb/testsuite/gdb.base/signull.c
Normal file
68
gdb/testsuite/gdb.base/signull.c
Normal file
@ -0,0 +1,68 @@
|
|||||||
|
/* This testcase is part of GDB, the GNU debugger.
|
||||||
|
|
||||||
|
Copyright 1996, 1999, 2003 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. */
|
||||||
|
|
||||||
|
#include <signal.h>
|
||||||
|
#include <setjmp.h>
|
||||||
|
|
||||||
|
enum tests {
|
||||||
|
code_entry_point, code_descriptor, data_pointer
|
||||||
|
};
|
||||||
|
|
||||||
|
static volatile enum tests test;
|
||||||
|
|
||||||
|
/* Some basic types and zero buffers. */
|
||||||
|
|
||||||
|
typedef long data_t;
|
||||||
|
typedef long code_t (void);
|
||||||
|
static volatile data_t *data[10];
|
||||||
|
static volatile code_t *code[10];
|
||||||
|
|
||||||
|
jmp_buf env;
|
||||||
|
|
||||||
|
extern void
|
||||||
|
keeper (int sig)
|
||||||
|
{
|
||||||
|
longjmp (env, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
extern long
|
||||||
|
bowler (void)
|
||||||
|
{
|
||||||
|
switch (test)
|
||||||
|
{
|
||||||
|
case data_pointer:
|
||||||
|
return *data[0];
|
||||||
|
case code_entry_point:
|
||||||
|
return code[0] ();
|
||||||
|
case code_descriptor:
|
||||||
|
return ((code_t *) &code) ();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
main ()
|
||||||
|
{
|
||||||
|
static volatile int i;
|
||||||
|
signal (SIGSEGV, keeper);
|
||||||
|
for (i = 0; i < 10; i++)
|
||||||
|
{
|
||||||
|
setjmp (env);
|
||||||
|
bowler ();
|
||||||
|
}
|
||||||
|
}
|
||||||
117
gdb/testsuite/gdb.base/signull.exp
Normal file
117
gdb/testsuite/gdb.base/signull.exp
Normal file
@ -0,0 +1,117 @@
|
|||||||
|
# This testcase is part of GDB, the GNU debugger.
|
||||||
|
|
||||||
|
# Copyright 2004 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.
|
||||||
|
|
||||||
|
# Check that GDB can trigger and backtrace SIGSEGV signal stacks
|
||||||
|
# caused by both accessing (data) and executing (code) at address
|
||||||
|
# zero.
|
||||||
|
|
||||||
|
# On function descriptor architectures, a zero descriptor, instead of
|
||||||
|
# a NULL pointer, is used. That way the NULL code test always
|
||||||
|
# contains a zero code reference.
|
||||||
|
|
||||||
|
# For recovery, sigjmp/longjmp are used.
|
||||||
|
|
||||||
|
# This also tests backtrace/gdb1476.
|
||||||
|
|
||||||
|
if $tracelevel {
|
||||||
|
strace $tracelevel
|
||||||
|
}
|
||||||
|
|
||||||
|
set prms_id 0
|
||||||
|
set bug_id 0
|
||||||
|
|
||||||
|
set testfile "signull"
|
||||||
|
set srcfile ${testfile}.c
|
||||||
|
set binfile ${objdir}/${subdir}/${testfile}
|
||||||
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
||||||
|
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
|
||||||
|
}
|
||||||
|
|
||||||
|
gdb_exit
|
||||||
|
gdb_start
|
||||||
|
gdb_reinitialize_dir $srcdir/$subdir
|
||||||
|
gdb_load ${binfile}
|
||||||
|
|
||||||
|
#
|
||||||
|
# Run to `main' where we begin our tests.
|
||||||
|
#
|
||||||
|
|
||||||
|
if ![runto_main] then {
|
||||||
|
gdb_suppress_tests
|
||||||
|
}
|
||||||
|
|
||||||
|
# If we can examine what's at memory address 0, it is possible that we
|
||||||
|
# could also execute it. This could probably make us run away,
|
||||||
|
# executing random code, which could have all sorts of ill effects,
|
||||||
|
# especially on targets without an MMU. Don't run the tests in that
|
||||||
|
# case.
|
||||||
|
|
||||||
|
send_gdb "x 0\n"
|
||||||
|
gdb_expect {
|
||||||
|
-re "0x0:.*Cannot access memory at address 0x0.*$gdb_prompt $" { }
|
||||||
|
-re "0x0:.*Error accessing memory address 0x0.*$gdb_prompt $" { }
|
||||||
|
-re ".*$gdb_prompt $" {
|
||||||
|
untested "Memory at address 0 is possibly executable"
|
||||||
|
return
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# If an attempt to call a NULL pointer leaves the inferior in main,
|
||||||
|
# then function pointers are descriptors, probe this and remember the
|
||||||
|
# result.
|
||||||
|
|
||||||
|
gdb_test "set test = code_entry_point" "" "set for function pointer probe"
|
||||||
|
set test "probe function pointer"
|
||||||
|
set function_pointer code_entry_point
|
||||||
|
gdb_test_multiple "continue" "$test" {
|
||||||
|
-re "Program received signal SIGSEGV.* bowler .$gdb_prompt $" {
|
||||||
|
set function_pointer code_descriptor
|
||||||
|
pass "$test (function descriptor)"
|
||||||
|
}
|
||||||
|
-re "Program received signal SIGSEGV.*0.*$gdb_prompt $" {
|
||||||
|
pass "$test (function entry-point)"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# Re-start from scratch, breakpoint the bowler so that control is
|
||||||
|
# regained after each test, and run up to that.
|
||||||
|
rerun_to_main
|
||||||
|
gdb_test "break bowler"
|
||||||
|
gdb_test "break keeper"
|
||||||
|
# By default Stop:Yes Print:Yes Pass:Yes
|
||||||
|
gdb_test "handle SIGSEGV" "SIGSEGV.*Yes.*Yes.*Yes.*Segmentation fault"
|
||||||
|
|
||||||
|
# For the given signal type, check that: the SIGSEGV occures; a
|
||||||
|
# backtrace from the SEGV works; the sigsegv is delivered; a backtrace
|
||||||
|
# through the SEGV works.
|
||||||
|
|
||||||
|
proc test_segv { name tag bt_from_segv bt_from_keeper } {
|
||||||
|
gdb_test continue "Breakpoint.* bowler.*" "${name} starts with the bowler"
|
||||||
|
gdb_test "set test = $tag"
|
||||||
|
gdb_test continue "Program received signal SIGSEGV.*" "${name} got SEGV"
|
||||||
|
gdb_test backtrace $bt_from_segv "backtrace segv for ${name}"
|
||||||
|
gdb_test continue "Breakpoint.* keeper.*" "${name} through to keeper"
|
||||||
|
gdb_test backtrace $bt_from_keeper "backtrace keeper for ${name}"
|
||||||
|
}
|
||||||
|
|
||||||
|
test_segv data data_pointer \
|
||||||
|
{#0 .* bowler .*#1 .* main .*} \
|
||||||
|
{#0 .* keeper .*#1 .* handler .*#2 .* bowler .*#3 .* main .*}
|
||||||
|
test_segv code $function_pointer \
|
||||||
|
{#0 .* 0x0+ .*#1 .* bowler .*#2 .* main .*} \
|
||||||
|
{#0 .* keeper .*#1 .* handler .*#2 .* 0x0+ .*#3 .* bowler .*#4 .* main .*}
|
||||||
Reference in New Issue
Block a user