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https://sourceware.org/git/binutils-gdb.git
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61baf725ec
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
857 lines
28 KiB
Plaintext
857 lines
28 KiB
Plaintext
# Copyright 1988-2017 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 3 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, see <http://www.gnu.org/licenses/>.
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# This file was written by Rob Savoye. (rob@cygnus.com)
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if { [prepare_for_testing "failed to prepare" "break" {break.c break1.c} {debug nowarnings}] } {
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return -1
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}
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set srcfile break.c
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set srcfile1 break1.c
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#
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# test simple breakpoint setting commands
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#
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# Test deleting all breakpoints when there are none installed,
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# GDB should not prompt for confirmation.
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# Note that lib/gdb.exp provides a "delete_breakpoints" proc
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# for general use elsewhere.
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send_gdb "delete breakpoints\n"
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gdb_expect {
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-re "Delete all breakpoints.*$" {
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send_gdb "y\n"
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gdb_expect {
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-re "$gdb_prompt $" {
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fail "delete all breakpoints when none (unexpected prompt)"
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}
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timeout { fail "delete all breakpoints when none (timeout after unexpected prompt)" }
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}
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}
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-re ".*$gdb_prompt $" { pass "delete all breakpoints when none" }
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timeout { fail "delete all breakpoints when none (timeout)" }
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}
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#
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# test break at function
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#
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gdb_test "break main" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint function"
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#
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# test break at quoted function
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#
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gdb_test "break \"marker2\"" \
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"Breakpoint.*at.* file .*$srcfile1, line.*" \
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"breakpoint quoted function"
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#
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# test break at function in file
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#
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gdb_test "break $srcfile:factorial" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint function in file"
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set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
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#
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# test break at line number
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#
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# Note that the default source file is the last one whose source text
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# was printed. For native debugging, before we've executed the
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# program, this is the file containing main, but for remote debugging,
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# it's wherever the processor was stopped when we connected to the
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# board. So, to be sure, we do a list command.
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#
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gdb_test "list main" \
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".*main \\(int argc, char \\*\\*argv, char \\*\\*envp\\).*" \
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"use `list' to establish default source file"
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gdb_test "break $bp_location1" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
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"breakpoint line number"
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#
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# test duplicate breakpoint
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#
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gdb_test "break $bp_location1" \
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"Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
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"breakpoint duplicate"
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set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
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#
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# test break at line number in file
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#
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gdb_test "break $srcfile:$bp_location2" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
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"breakpoint line number in file"
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set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
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set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
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#
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# Test putting a break at the start of a multi-line if conditional.
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# Verify the breakpoint was put at the start of the conditional.
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#
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gdb_test "break multi_line_if_conditional" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
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"breakpoint at start of multi line if conditional"
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gdb_test "break multi_line_while_conditional" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
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"breakpoint at start of multi line while conditional"
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set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
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set main_line $bp_location6
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set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
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set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
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gdb_test "info break" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:$bp_location8.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in factorial at .*$srcfile:$bp_location7.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
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\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
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"breakpoint info"
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#
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# Test info breakpoint with arguments
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#
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set see1 0
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set see2 0
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set see3 0
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set see4 0
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set see5 0
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set see6 0
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gdb_test_multiple "info break 2 4 6" "info break 2 4 6" {
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-re "1\[\t \]+breakpoint *keep y\[^\r\n\]*:$main_line\[^\r\n\]*" {
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set see1 1
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exp_continue
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}
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-re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
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set see2 1
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exp_continue
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}
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-re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
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set see3 1
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exp_continue
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}
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-re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see4 1
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exp_continue
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}
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-re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see5 1
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exp_continue
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}
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-re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
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set see6 1
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exp_continue
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}
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-re ".*$gdb_prompt $" {
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if { !$see1 && $see2 && !$see3 && $see4 && !$see5 && $see6 } then {
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pass "info break 2 4 6"
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} else {
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fail "info break 2 4 6"
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}
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}
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}
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set see1 0
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set see2 0
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set see3 0
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set see4 0
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set see5 0
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set see6 0
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gdb_test_multiple "info break 3-5" "info break 3-5" {
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-re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
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set see1 1
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exp_continue
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}
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-re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
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set see2 1
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exp_continue
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}
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-re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
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set see3 1
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exp_continue
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}
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-re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see4 1
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exp_continue
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}
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-re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see5 1
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exp_continue
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}
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-re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
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set see6 1
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exp_continue
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}
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-re ".*$gdb_prompt $" {
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if { !$see1 && !$see2 && $see3 && $see4 && $see5 && !$see6 } then {
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pass "info break 3-5"
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} else {
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fail "info break 3-5"
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}
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}
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}
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#
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# Test disable/enable with arguments
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#
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# Test with value history
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gdb_test "print 1" "" ""
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gdb_test "print 2" "" ""
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gdb_test "print 3" "" ""
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gdb_test "print 4" "" ""
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gdb_test "print 5" "" ""
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gdb_test "print 6" "" ""
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# $2 is 2 and $$ is 5
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gdb_test_no_output "disable \$2 \$\$" "disable using history values"
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set see1 0
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set see2 0
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set see3 0
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set see4 0
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set see5 0
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set see6 0
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gdb_test_multiple "info break" "check disable with history values" {
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-re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
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set see1 1
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exp_continue
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}
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-re "2\[\t \]+breakpoint *keep n\[^\r\n\]* in marker2 at \[^\r\n\]*" {
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set see2 1
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exp_continue
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}
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-re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
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set see3 1
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exp_continue
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}
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-re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see4 1
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exp_continue
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}
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-re "5\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see5 1
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exp_continue
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}
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-re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
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set see6 1
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exp_continue
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}
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-re ".*$gdb_prompt $" {
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if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
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pass "check disable with history values"
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} else {
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fail "check disable with history values"
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}
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}
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}
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gdb_test "enable" "" ""
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gdb_test "set \$foo = 3" "" ""
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gdb_test "set \$bar = 6" "" ""
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gdb_test_no_output "disable \$foo \$bar" "disable with convenience values"
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set see1 0
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set see2 0
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set see3 0
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set see4 0
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set see5 0
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set see6 0
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gdb_test_multiple "info break" "check disable with convenience values" {
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-re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
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set see1 1
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exp_continue
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}
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-re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
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set see2 1
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exp_continue
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}
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-re "3\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location7\[^\r\n\]*" {
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set see3 1
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exp_continue
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}
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-re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see4 1
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exp_continue
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}
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-re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
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set see5 1
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exp_continue
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}
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-re "6\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location2\[^\r\n\]*" {
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set see6 1
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exp_continue
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}
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-re ".*$gdb_prompt $" {
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if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
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pass "check disable with convenience values"
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} else {
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fail "check disable with convenience values"
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}
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}
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}
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# test with bad values
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gdb_test "enable" "" ""
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gdb_test "disable 10" "No breakpoint number 10." \
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"disable non-existent breakpoint 10"
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gdb_test_no_output "set \$baz = 1.234"
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gdb_test "disable \$baz" \
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"Convenience variable must have integer value.*" \
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"disable with non-integer convenience var"
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gdb_test "disable \$grbx" \
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"Convenience variable must have integer value.*" \
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"disable with non-existent convenience var"
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gdb_test "disable \$10" \
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"History has not yet reached .10." \
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"disable with non-existent history value"
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gdb_test "disable \$1foo" \
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"Convenience variable must have integer value.*" \
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"disable with badly formed history value"
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# FIXME: The rest of this test doesn't work with anything that can't
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# handle arguments.
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# Huh? There doesn't *appear* to be anything that passes arguments
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# below.
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#
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# run until the breakpoint at main is hit. For non-stubs-using targets.
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#
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gdb_run_cmd
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gdb_test "" \
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"Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*" \
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"run until function breakpoint"
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# Test the 'list' commands sets current file for the 'break LINENO' command.
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set bp_marker1 [gdb_get_line_number "set breakpoint 15 here" ${srcfile1}]
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gdb_test "list marker1" ".*"
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gdb_test "break $bp_marker1" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*${srcfile1}, line ${bp_marker1}\\." \
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"break lineno"
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gdb_test_no_output {delete $bpnum}
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#
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# run until the breakpoint at a line number
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
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"run until breakpoint set at a line number"
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#
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# Run until the breakpoint set in a function in a file
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#
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for {set i 6} {$i >= 1} {incr i -1} {
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
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"run until file:function($i) breakpoint"
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}
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#
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# Run until the breakpoint set at a quoted function
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:$bp_location8.*" \
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"run until quoted breakpoint"
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#
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# run until the file:function breakpoint at a line number in a file
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#
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gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
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"run until file:linenum breakpoint"
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# Test break at offset +1
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set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
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gdb_test "break +1" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
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"breakpoint offset +1"
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# Check to see if breakpoint is hit when stepped onto
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gdb_test "step" \
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".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
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"step onto breakpoint"
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# Check to see if breakpoint can be set on ending brace of function
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set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
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gdb_test "break $bp_location10a" \
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"Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
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"setting breakpoint at }"
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gdb_test "continue" \
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".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
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"continue to breakpoint at }"
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#
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# delete all breakpoints so we can start over, course this can be a test too
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#
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delete_breakpoints
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#
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# test temporary breakpoint at function
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#
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gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "temporary breakpoint function"
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#
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# test break at function in file
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#
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gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
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"Temporary breakpoint function in file"
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#
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# test break at line number
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#
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gdb_test "tbreak $bp_location1" \
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"Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
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"temporary breakpoint line number #1"
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gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "temporary breakpoint line number #2"
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#
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# test break at line number in file
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#
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gdb_test "tbreak $srcfile:$bp_location2" \
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"Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
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"temporary breakpoint line number in file #1"
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set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
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gdb_test "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
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#
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# check to see what breakpoints are set (temporary this time)
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#
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gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
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\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
|
|
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
|
|
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
|
|
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
|
|
\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \
|
|
"Temporary breakpoint info"
|
|
|
|
|
|
#***********
|
|
|
|
# Verify that catchpoints for fork, vfork and exec don't trigger
|
|
# inappropriately. (There are no calls to those system functions
|
|
# in this test program.)
|
|
#
|
|
if ![runto_main] then { fail "break tests suppressed" }
|
|
|
|
gdb_test "catch" \
|
|
"Catch requires an event name." \
|
|
"catch requires an event name"
|
|
|
|
gdb_test "catch fork" "Catchpoint \[0-9\]+ \\(fork\\)" \
|
|
"set catch fork, never expected to trigger"
|
|
|
|
gdb_test "catch vfork" "Catchpoint \[0-9\]+ \\(vfork\\)" \
|
|
"set catch vfork, never expected to trigger"
|
|
|
|
gdb_test "catch exec" "Catchpoint \[0-9\]+ \\(exec\\)" \
|
|
"set catch exec, never expected to trigger"
|
|
|
|
# Verify that GDB responds gracefully when asked to set a breakpoint
|
|
# on a nonexistent source line.
|
|
#
|
|
gdb_test_no_output "set breakpoint pending off"
|
|
gdb_test "break 999" \
|
|
"No line 999 in the current file." \
|
|
"break on non-existent source line"
|
|
|
|
# Run to the desired default location. If not positioned here, the
|
|
# tests below don't work.
|
|
#
|
|
gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \
|
|
"until bp_location1"
|
|
|
|
# Verify that GDB allows one to just say "break", which is treated
|
|
# as the "default" breakpoint. Note that GDB gets cute when printing
|
|
# the informational message about other breakpoints at the same
|
|
# location. We'll hit that bird with this stone too.
|
|
#
|
|
gdb_test "break" "Breakpoint \[0-9\]*.*" \
|
|
"break on default location, 1st time"
|
|
|
|
gdb_test "break" \
|
|
"Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
|
|
"break on default location, 2nd time"
|
|
|
|
gdb_test "break" \
|
|
"Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
|
|
"break on default location, 3rd time"
|
|
|
|
gdb_test "break" \
|
|
"Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
|
|
"break on default location, 4th time"
|
|
|
|
# Verify that a "silent" breakpoint can be set, and that GDB is indeed
|
|
# "silent" about its triggering.
|
|
#
|
|
if ![runto_main] then { fail "break tests suppressed" }
|
|
|
|
gdb_test_multiple "break $bp_location1" \
|
|
"set to-be-silent break bp_location1" {
|
|
-re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
|
|
pass "set to-be-silent break bp_location1"
|
|
}
|
|
}
|
|
|
|
gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1"
|
|
|
|
gdb_test "info break $expect_out(1,string)" \
|
|
"\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
|
|
"info silent break bp_location1"
|
|
|
|
gdb_test "continue" "Continuing." \
|
|
"hit silent break bp_location1"
|
|
|
|
gdb_test "bt" "#0 main .* at .*:$bp_location1.*" \
|
|
"stopped for silent break bp_location1"
|
|
|
|
# Verify that GDB can at least parse a breakpoint with the
|
|
# "thread" keyword. (We won't attempt to test here that a
|
|
# thread-specific breakpoint really triggers appropriately.
|
|
# The gdb.threads subdirectory contains tests for that.)
|
|
#
|
|
set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
|
|
gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
|
|
"thread-specific breakpoint on non-existent thread disallowed"
|
|
|
|
gdb_test "break $bp_location12 thread foo" \
|
|
"Invalid thread ID: foo" \
|
|
"thread-specific breakpoint on bogus thread ID disallowed"
|
|
|
|
# Verify that GDB responds gracefully to a breakpoint command with
|
|
# trailing garbage.
|
|
#
|
|
gdb_test "break $bp_location12 foo" \
|
|
"malformed linespec error: unexpected string, \"foo\".*" \
|
|
"breakpoint with trailing garbage disallowed"
|
|
|
|
# Verify that GDB responds gracefully to a "clear" command that has
|
|
# no matching breakpoint. (First, get us off the current source line,
|
|
# which we know has a breakpoint.)
|
|
#
|
|
gdb_test "next" "marker1.*" "step over breakpoint"
|
|
|
|
gdb_test "clear 81" "No breakpoint at 81.*" \
|
|
"clear line has no breakpoint disallowed"
|
|
|
|
gdb_test "clear" "No breakpoint at this line.*" \
|
|
"clear current line has no breakpoint disallowed"
|
|
|
|
# Verify that we can set and clear multiple breakpoints.
|
|
#
|
|
# We don't test that it deletes the correct breakpoints. We do at
|
|
# least test that it deletes more than one breakpoint.
|
|
#
|
|
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
|
|
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
|
|
gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
|
|
|
|
# Verify that a breakpoint can be set via a convenience variable.
|
|
#
|
|
gdb_test_no_output "set \$foo=$bp_location11" \
|
|
"set convenience variable \$foo to bp_location11"
|
|
|
|
gdb_test "break \$foo" \
|
|
"Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
|
|
"set breakpoint via convenience variable"
|
|
|
|
# Verify that GDB responds gracefully to an attempt to set a
|
|
# breakpoint via a convenience variable whose type is not integer.
|
|
#
|
|
gdb_test_no_output "set \$foo=81.5" \
|
|
"set convenience variable \$foo to 81.5"
|
|
|
|
gdb_test "break \$foo" \
|
|
"Convenience variables used in line specs must have integer values.*" \
|
|
"set breakpoint via non-integer convenience variable disallowed"
|
|
|
|
# Verify that we can set and trigger a breakpoint in a user-called function.
|
|
#
|
|
gdb_test "break marker2" \
|
|
"Breakpoint (\[0-9\]*) at .*, line $bp_location8.*" \
|
|
"set breakpoint on to-be-called function"
|
|
|
|
gdb_test "print marker2(99)" \
|
|
"The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop.*" \
|
|
"hit breakpoint on called function"
|
|
|
|
# As long as we're stopped (breakpointed) in a called function,
|
|
# verify that we can successfully backtrace & such from here.
|
|
gdb_test "bt" \
|
|
"#0\[ \t\]*($hex in )?marker2.*:$bp_location8\r\n#1\[ \t\]*<function called from gdb>.*" \
|
|
"backtrace while in called function"
|
|
|
|
# Return from the called function. For remote targets, it's important to do
|
|
# this before runto_main, which otherwise may silently stop on the dummy
|
|
# breakpoint inserted by GDB at the program's entry point.
|
|
#
|
|
gdb_test_multiple "finish" "finish from called function" {
|
|
-re "Run till exit from .*marker2.* at .*$bp_location8\r\n.*function called from gdb.*$gdb_prompt $" {
|
|
pass "finish from called function"
|
|
}
|
|
-re "Run till exit from .*marker2.* at .*$bp_location8\r\n.*Value returned.*$gdb_prompt $" {
|
|
pass "finish from called function"
|
|
}
|
|
}
|
|
|
|
# Verify that GDB responds gracefully to a "finish" command with
|
|
# arguments.
|
|
#
|
|
if ![runto_main] then { fail "break tests suppressed" }
|
|
|
|
send_gdb "finish 123\n"
|
|
gdb_expect {
|
|
-re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
|
|
{pass "finish with arguments disallowed"}
|
|
-re "$gdb_prompt $"\
|
|
{fail "finish with arguments disallowed"}
|
|
timeout {fail "(timeout) finish with arguments disallowed"}
|
|
}
|
|
|
|
# Verify that GDB responds gracefully to a request to "finish" from
|
|
# the outermost frame. On a stub that never exits, this will just
|
|
# run to the stubs routine, so we don't get this error... Thus the
|
|
# second condition.
|
|
#
|
|
|
|
gdb_test_multiple "finish" "finish from outermost frame disallowed" {
|
|
-re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $" {
|
|
pass "finish from outermost frame disallowed"
|
|
}
|
|
-re "Run till exit from.*\r\n$gdb_prompt $" {
|
|
pass "finish from outermost frame disallowed"
|
|
}
|
|
}
|
|
|
|
#********
|
|
|
|
|
|
#
|
|
# Test "next" over recursive function call.
|
|
#
|
|
|
|
proc test_next_with_recursion {} {
|
|
global gdb_prompt
|
|
global decimal
|
|
global binfile
|
|
|
|
gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
|
|
delete_breakpoints
|
|
|
|
gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
|
|
|
|
# Run until we call factorial with 6
|
|
|
|
gdb_run_cmd
|
|
gdb_test "" "Break.* factorial .value=6. .*" "run to factorial(6)"
|
|
|
|
# Continue until we call factorial recursively with 5.
|
|
|
|
if [gdb_test "continue" \
|
|
"Continuing.*Break.* factorial .value=5. .*" \
|
|
"continue to factorial(5)"] then { gdb_suppress_tests }
|
|
|
|
# Do a backtrace just to confirm how many levels deep we are.
|
|
|
|
if [gdb_test "backtrace" \
|
|
"#0\[ \t\]+ factorial .value=5..*" \
|
|
"backtrace from factorial(5)"] then { gdb_suppress_tests }
|
|
|
|
# Now a "next" should position us at the recursive call, which
|
|
# we will be performing with 4.
|
|
|
|
if [gdb_test "next" \
|
|
".* factorial .value - 1.;.*" \
|
|
"next to recursive call"] then { gdb_suppress_tests }
|
|
|
|
# Disable the breakpoint at the entry to factorial by deleting them all.
|
|
# The "next" should run until we return to the next line from this
|
|
# recursive call to factorial with 4.
|
|
# Buggy versions of gdb will stop instead at the innermost frame on
|
|
# the line where we are trying to "next" to.
|
|
|
|
delete_breakpoints
|
|
|
|
if [istarget "mips*tx39-*"] {
|
|
set timeout 60
|
|
}
|
|
# We used to set timeout here for all other targets as well. This
|
|
# is almost certainly wrong. The proper timeout depends on the
|
|
# target system in use, and how we communicate with it, so there
|
|
# is no single value appropriate for all targets. The timeout
|
|
# should be established by the Dejagnu config file(s) for the
|
|
# board, and respected by the test suite.
|
|
#
|
|
# For example, if I'm running GDB over an SSH tunnel talking to a
|
|
# portmaster in California talking to an ancient 68k board running
|
|
# a crummy ROM monitor (a situation I can only wish were
|
|
# hypothetical), then I need a large timeout. But that's not the
|
|
# kind of knowledge that belongs in this file.
|
|
|
|
gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
|
|
"next over recursive call"
|
|
|
|
# OK, we should be back in the same stack frame we started from.
|
|
# Do a backtrace just to confirm.
|
|
|
|
set result [gdb_test "backtrace" \
|
|
"#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
|
|
"backtrace from factorial(5.1)"]
|
|
if { $result != 0 } { gdb_suppress_tests }
|
|
|
|
if [target_info exists gdb,noresults] { gdb_suppress_tests }
|
|
gdb_continue_to_end "recursive next test"
|
|
gdb_stop_suppressing_tests
|
|
}
|
|
|
|
test_next_with_recursion
|
|
|
|
|
|
#********
|
|
|
|
# build a new file with optimization enabled so that we can try breakpoints
|
|
# on targets with optimized prologues
|
|
|
|
if { [prepare_for_testing "failed to prepare" "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
|
|
return -1
|
|
}
|
|
|
|
#
|
|
# test break at function
|
|
#
|
|
gdb_test "break main" \
|
|
"Breakpoint.*at.* file .*, line.*" \
|
|
"breakpoint function, optimized file"
|
|
|
|
#
|
|
# test break at function
|
|
#
|
|
gdb_test "break marker4" \
|
|
"Breakpoint.*at.* file .*$srcfile1, line.*" \
|
|
"breakpoint small function, optimized file"
|
|
|
|
#
|
|
# run until the breakpoint at main is hit. For non-stubs-using targets.
|
|
#
|
|
gdb_run_cmd
|
|
|
|
set test "run until function breakpoint, optimized file"
|
|
gdb_test_multiple "" $test {
|
|
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
|
|
pass $test
|
|
}
|
|
-re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
|
|
pass "$test (code motion)"
|
|
}
|
|
}
|
|
|
|
#
|
|
# run until the breakpoint at a small function
|
|
#
|
|
|
|
#
|
|
# Add a second pass pattern. The behavior differs here between stabs
|
|
# and dwarf for one-line functions. Stabs preserves two line symbols
|
|
# (one before the prologue and one after) with the same line number,
|
|
# but dwarf regards these as duplicates and discards one of them.
|
|
# Therefore the address after the prologue (where the breakpoint is)
|
|
# has no exactly matching line symbol, and GDB reports the breakpoint
|
|
# as if it were in the middle of a line rather than at the beginning.
|
|
|
|
set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
|
|
|
|
gdb_test_multiple "continue" \
|
|
"run until breakpoint set at small function, optimized file" {
|
|
-re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
|
|
pass "run until breakpoint set at small function, optimized file (line bp_location14)"
|
|
}
|
|
-re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
|
|
# GCC 4.3 emits bad line number information - see gcc/36748.
|
|
if { [test_compiler_info "gcc-4-3-*"] } {
|
|
setup_xfail *-*-*
|
|
}
|
|
fail "run until breakpoint set at small function, optimized file"
|
|
}
|
|
}
|
|
|
|
clean_restart breako2
|
|
|
|
#
|
|
# test that 'rbreak' on a symbol that may be from a shared library doesn't
|
|
# cause a "Junk at end of arguments." error.
|
|
#
|
|
# On x86 GNU/Linux, this test will choke on e.g. __libc_start_main@plt.
|
|
#
|
|
# Note that this test won't necessarily choke on all targets even if
|
|
# all the rbreak issue is present. rbreak needs to match and set a
|
|
# breakpoint on a symbol causes 'break' to choke.
|
|
#
|
|
|
|
gdb_test_no_output "set breakpoint pending on" "rbreak junk pending setup"
|
|
|
|
# We expect at least one breakpoint to be set when we "rbreak main".
|
|
gdb_test "rbreak main" \
|
|
".*Breakpoint.*at.* file .*$srcfile, line.*" \
|
|
"rbreak junk set breakpoint"
|
|
|
|
# Run to a breakpoint. Fail if we see "Junk at end of arguments".
|
|
gdb_run_cmd
|
|
|
|
set test "rbreak junk"
|
|
gdb_test_multiple "" $test {
|
|
-re "Junk at end of arguments" {
|
|
fail $test
|
|
}
|
|
-re ".*Breakpoint \[0-9\]+,.*$gdb_prompt $" {
|
|
pass $test
|
|
}
|
|
}
|
|
|
|
#
|
|
# Test break via convenience variable with file name
|
|
#
|
|
set line [gdb_get_line_number "set breakpoint 1 here"]
|
|
gdb_test_no_output "set \$l = $line"
|
|
gdb_breakpoint ${srcfile}:\$l
|
|
|
|
gdb_test_no_output "set \$foo=81.5" \
|
|
"set convenience variable \$foo to 81.5"
|
|
gdb_test "break $srcfile:\$foo" \
|
|
"Convenience variables used in line specs must have integer values.*" \
|
|
"set breakpoint via non-integer convenience variable disallowed"
|