forked from Imagelibrary/binutils-gdb
450d26c851
This changes many tests to use 'require' when checking target_info. In a few spots, the require is hoisted to the top of the file, to avoid doing any extra work when the test is going to be skipped anyway.
72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
# Copyright 2017-2023 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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# When debugging with "target remote |", the inferior's output is
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# connected to a pipe, and if GDB doesn't flush the pipe while the
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# inferior is running and the pipe becomes full, then the inferior
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# deadlocks:
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#
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# 1. User sets breakpoint, and types "continue"
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#
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# 2. Inferior prints to stdout/stderr before reaching breakpoint
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# location.
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#
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# 3. The output pipe becomes full, so the inferior blocks forever in
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# the printf/write call.
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#
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# 4. The breakpoint is never reached.
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require {!target_info exists gdb,noinferiorio}
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standard_testfile
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if [prepare_for_testing "failed to prepare" $testfile {} {debug}] {
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return -1
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}
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if {![runto_main]} {
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return
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}
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set printing_done_line [gdb_get_line_number "printing done"]
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gdb_test "break $printing_done_line" ".*" "set breakpoint after printing"
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send_gdb "continue\n"
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set expected_lines 3000
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set more 1
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set i 0
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while {$more} {
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set more 0
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gdb_expect {
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-i $inferior_spawn_id
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-ex "this is line number $i" {
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incr i
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if {$i != $expected_lines} {
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set more 1
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}
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}
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}
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}
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gdb_assert {$i == $expected_lines} "saw all lines"
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set test "breakpoint reached"
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gdb_test_multiple "" $test {
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-re "Breakpoint .* main .*$srcfile:$printing_done_line.*$gdb_prompt $" {
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pass $test
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}
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}
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