Browse Source
* gdb.base/gcore.exp: New test for generate-core-file command. * gdb.base/gcore.c: Testcase for above. * gdb.threads/gcore-thread.exp: New test for gcore (threaded).binutils-2_12-branch
Michael Snyder
25 years ago
4 changed files with 464 additions and 0 deletions
@ -0,0 +1,52 @@ |
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/*
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* Test GDB's ability to save and reload a corefile. |
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*/ |
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#include <stdlib.h> |
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int extern_array[4] = {1, 2, 3, 4}; |
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static int static_array[4] = {5, 6, 7, 8}; |
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static int un_initialized_array[4]; |
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static char *heap_string; |
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void |
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terminal_func () |
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{ |
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return; |
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} |
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void |
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array_func () |
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{ |
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int local_array[4]; |
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int i; |
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heap_string = (char *) malloc (80); |
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strcpy (heap_string, "I'm a little teapot, short and stout..."); |
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for (i = 0; i < 4; i++) |
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{ |
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un_initialized_array[i] = extern_array[i] + 8; |
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local_array[i] = extern_array[i] + 12; |
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} |
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terminal_func (); |
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} |
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#ifdef PROTOTYPES |
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int factorial_func (int value) |
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#else |
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int factorial_func (value) |
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int value; |
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#endif |
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{ |
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if (value > 1) { |
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value *= factorial_func (value - 1); |
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} |
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array_func (); |
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return (value); |
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} |
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main() |
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{ |
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factorial_func (6); |
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return 0; |
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} |
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@ -0,0 +1,220 @@ |
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# Copyright 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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# Please email any bugs, comments, and/or additions to this file to: |
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# bug-gdb@prep.ai.mit.edu |
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# This file was written by Michael Snyder (msnyder@redhat.com) |
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# This is a test for the gdb command "generate-core-file". |
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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 testfile "gcore" |
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set srcfile ${testfile}.c |
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set binfile ${objdir}/${subdir}/${testfile} |
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
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gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
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} |
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# Start with a fresh gdb. |
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gdb_exit |
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gdb_start |
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gdb_reinitialize_dir $srcdir/$subdir |
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gdb_load ${binfile} |
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# Does this gdb support gcore? |
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send_gdb "help gcore\n" |
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gdb_expect { |
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-re "Undefined command: .gcore.*$gdb_prompt $" { |
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# gcore command not supported -- nothing to test here. |
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unsupported "gdb does not support gcore on this target" |
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return -1; |
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} |
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-re "Save a core file .*$gdb_prompt $" { |
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pass "help gcore" |
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} |
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-re ".*$gdb_prompt $" { |
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fail "help gcore" |
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} |
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timeout { |
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fail "help gcore (timeout)" |
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} |
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} |
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if { ! [ runto main ] } then { |
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gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail." |
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} |
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proc capture_command_output { command prefix } { |
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global gdb_prompt |
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global expect_out |
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set output_string "" |
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send_gdb "$command\n" |
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gdb_expect { |
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-re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" { |
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set output_string $expect_out(1,string) |
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} |
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default { |
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fail "capture_command_output failed on $command." |
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} |
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} |
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return $output_string |
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} |
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gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \ |
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"set breakpoint at terminal_func" |
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gdb_test "continue" "Breakpoint .*, terminal_func.*" \ |
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"continue to terminal_func" |
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set print_prefix ".\[0123456789\]* = " |
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set pre_corefile_backtrace [capture_command_output "backtrace" ""] |
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set pre_corefile_regs [capture_command_output "info registers" ""] |
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set pre_corefile_allregs [capture_command_output "info all-reg" ""] |
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set pre_corefile_static_array \ |
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[capture_command_output "print static_array" "$print_prefix"] |
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set pre_corefile_uninit_array \ |
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[capture_command_output "print un_initialized_array" "$print_prefix"] |
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set pre_corefile_heap_string \ |
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[capture_command_output "print heap_string" "$print_prefix"] |
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set pre_corefile_local_array \ |
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[capture_command_output "print array_func::local_array" "$print_prefix"] |
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set pre_corefile_extern_array \ |
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[capture_command_output "print extern_array" "$print_prefix"] |
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gdb_test "gcore ${objdir}/${subdir}/gcore.test" \ |
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"Saved corefile ${objdir}/${subdir}/gcore.test" \ |
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"save a corefile" |
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# Now restart gdb and load the corefile. |
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gdb_exit |
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gdb_start |
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gdb_reinitialize_dir $srcdir/$subdir |
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gdb_load ${binfile} |
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send_gdb "core ${objdir}/${subdir}/gcore.test\n" |
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gdb_expect { |
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-re ".* is not a core dump:.*$gdb_prompt $" { |
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fail "re-load generated corefile (bad file format)" |
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# No use proceeding from here. |
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return; |
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} |
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-re ".*: No such file or directory.*$gdb_prompt $" { |
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fail "re-load generated corefile (file not found)" |
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# No use proceeding from here. |
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return; |
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} |
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-re ".*Couldn't find .* registers in core file.*$gdb_prompt $" { |
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fail "re-load generated corefile (incomplete note section)" |
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} |
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-re "Core was generated by .*$gdb_prompt $" { |
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pass "re-load generated corefile" |
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} |
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-re ".*$gdb_prompt $" { |
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fail "re-load generated corefile" |
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} |
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timeout { |
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fail "re-load generated corefile (timeout)" |
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} |
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} |
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send_gdb "where\n" |
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gdb_expect_list "where in corefile" ".*$gdb_prompt $" { |
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".*\[\r\n\]+#0 .* terminal_func \\(\\) at " |
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".*\[\r\n\]+#1 .* array_func \\(\\) at " |
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".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at " |
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".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at " |
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".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at " |
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".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at " |
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".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at " |
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".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at " |
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".*\[\r\n\]+#8 .* main \\(.*\\) at " |
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} |
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set post_corefile_regs [capture_command_output "info registers" ""] |
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if ![string compare $pre_corefile_regs $post_corefile_regs] then { |
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pass "corefile restored general registers" |
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} else { |
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fail "corefile restored general registers:\npre: $pre_corefile_regs\npost: $post_corefile_regs\n" |
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} |
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set post_corefile_allregs [capture_command_output "info all-reg" ""] |
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if ![string compare $pre_corefile_allregs $post_corefile_allregs] then { |
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pass "corefile restored all registers" |
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} else { |
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fail "corefile restored all registers:\npre: $pre_corefile_allregs\npost: $post_corefile_allregs\n" |
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} |
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set post_corefile_extern_array \ |
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[capture_command_output "print extern_array" "$print_prefix"] |
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pass "extern_array = $post_corefile_extern_array" |
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if ![string compare $pre_corefile_extern_array $post_corefile_extern_array] { |
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pass "corefile restored extern array" |
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} else { |
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fail "corefile restored extern array" |
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} |
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set post_corefile_static_array \ |
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[capture_command_output "print static_array" "$print_prefix"] |
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pass "static_array = $post_corefile_static_array" |
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if ![string compare $pre_corefile_static_array $post_corefile_static_array] { |
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pass "corefile restored static array" |
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} else { |
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fail "corefile restored static array" |
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} |
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set post_corefile_uninit_array \ |
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[capture_command_output "print un_initialized_array" "$print_prefix"] |
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pass "uninit_array = $post_corefile_uninit_array" |
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if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array] { |
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pass "corefile restored un-initialized array" |
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} else { |
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fail "corefile restored un-initialized array" |
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} |
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set post_corefile_heap_string \ |
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[capture_command_output "print heap_string" "$print_prefix"] |
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pass "heap_string = $post_corefile_heap_string" |
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if ![string compare $pre_corefile_heap_string $post_corefile_heap_string] { |
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pass "corefile restored heap array" |
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} else { |
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fail "corefile restored heap array" |
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} |
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set post_corefile_local_array \ |
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[capture_command_output "print array_func::local_array" "$print_prefix"] |
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pass "local_array = $post_corefile_local_array" |
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if ![string compare $pre_corefile_local_array $post_corefile_local_array] { |
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pass "corefile restored stack array" |
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} else { |
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fail "corefile restored stack array" |
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} |
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set post_corefile_backtrace [capture_command_output "backtrace" ""] |
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if ![string compare $pre_corefile_backtrace $post_corefile_backtrace] { |
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pass "corefile restored backtrace" |
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} else { |
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fail "corefile restored backtrace" |
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} |
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@ -0,0 +1,186 @@ |
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# Copyright 2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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# Please email any bugs, comments, and/or additions to this file to: |
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# bug-gdb@prep.ai.mit.edu |
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# This file was written by Michael Snyder (msnyder@redhat.com) |
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# This is a test for the gdb command "generate-core-file". |
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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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# Single-threaded test case |
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set testfile "pthreads" |
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set srcfile ${testfile}.c |
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set binfile ${objdir}/${subdir}/${testfile} |
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set built_binfile 0 |
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if [istarget "*-*-linux"] then { |
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set target_cflags "-D_MIT_POSIX_THREADS" |
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} else { |
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set target_cflags "" |
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} |
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set why_msg "unrecognized error" |
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foreach lib {-lpthreads -lpthread -lthread} { |
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set options "debug" |
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lappend options "incdir=${objdir}/${subdir}" |
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lappend options "libs=$lib" |
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set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options] |
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switch -regexp -- $ccout { |
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".*no posix threads support.*" { |
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set why_msg "missing threads include file" |
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break |
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} |
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".*cannot open -lpthread.*" { |
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set why_msg "missing runtime threads library" |
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} |
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".*Can't find library for -lpthread.*" { |
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set why_msg "missing runtime threads library" |
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} |
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{^$} { |
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pass "successfully compiled posix threads test case" |
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set built_binfile 1 |
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break |
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} |
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} |
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} |
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if {$built_binfile == "0"} { |
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unsupported "Couldn't compile ${srcfile}, ${why_msg}" |
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return -1 |
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} |
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# Now we can proceed with the real testing. |
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# Start with a fresh gdb. |
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gdb_exit |
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gdb_start |
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gdb_reinitialize_dir $srcdir/$subdir |
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gdb_load ${binfile} |
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# regexp for "horizontal" text (i.e. doesn't include newline or |
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# carriage return) |
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set horiz "\[^\n\r\]*" |
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# regexp for newline |
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set nl "\[\r\n\]+" |
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set timeout 30 |
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send_gdb "help gcore\n" |
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gdb_expect { |
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-re "Undefined command: .gcore.*$gdb_prompt $" { |
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# gcore command not supported -- nothing to test here. |
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unsupported "gdb does not support gcore on this target" |
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return -1; |
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} |
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-re "Save a core file .*$gdb_prompt $" { |
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pass "help gcore" |
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} |
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-re ".*$gdb_prompt $" { |
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fail "help gcore" |
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} |
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timeout { |
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fail "help gcore (timeout)" |
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} |
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} |
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if { ! [ runto main ] } then { |
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gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail." |
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} |
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send_gdb "info threads\n" |
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gdb_expect { |
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-re ".* main .*$gdb_prompt $" { |
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# OK, threads are supported. |
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} |
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-re "${nl}$gdb_prompt $" { |
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unsupported "gdb does not support threads on this target" |
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return -1; |
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} |
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} |
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# Make sure thread 1 is running |
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delete_breakpoints |
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gdb_breakpoint "thread1" |
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gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running" |
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# Make sure thread 2 is running |
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delete_breakpoints |
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gdb_breakpoint "thread2" |
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gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running" |
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# Drop corefile |
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gdb_test "gcore ${objdir}/${subdir}/gcore.test" \ |
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"Saved corefile ${objdir}/${subdir}/gcore.test" \ |
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"save a corefile" |
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# Now restart gdb and load the corefile. |
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gdb_exit |
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gdb_start |
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gdb_reinitialize_dir $srcdir/$subdir |
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gdb_load ${binfile} |
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send_gdb "core ${objdir}/${subdir}/gcore.test\n" |
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gdb_expect { |
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-re ".* is not a core dump:.*$gdb_prompt $" { |
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fail "re-load generated corefile (bad file format)" |
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# No use proceeding from here. |
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return; |
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} |
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-re ".*: No such file or directory.*$gdb_prompt $" { |
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fail "re-load generated corefile (file not found)" |
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# No use proceeding from here. |
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return; |
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} |
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-re ".*Couldn't find .* registers in core file.*$gdb_prompt $" { |
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fail "re-load generated corefile (incomplete note section)" |
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} |
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-re "Core was generated by .*$gdb_prompt $" { |
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pass "re-load generated corefile" |
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} |
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-re ".*$gdb_prompt $" { |
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fail "re-load generated corefile" |
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} |
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timeout { |
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fail "re-load generated corefile (timeout)" |
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} |
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} |
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# FIXME: now what can we test about the thread state? |
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# We do not know for certain that there should be at least |
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# three threads, because who knows what kind of many-to-one |
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# mapping various OS's may do? Let's assume that there must |
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# be at least two threads: |
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gdb_test "info threads" ".*${nl} 2 ${horiz}${nl}\\* 1 .*" \ |
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"corefile contains at least two threads" |
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# One thread in the corefile should be in the "thread2" function. |
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gdb_test "info threads" ".* thread2 .*" \ |
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"a corefile thread is executing thread2" |
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# The thread2 thread should be marked as the current thread. |
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gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \ |
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"thread2 is current thread in corefile" |
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Reference in new issue