forked from Imagelibrary/binutils-gdb
d01e823438
This updates the copyright headers to include 2025. I did this by running gdb/copyright.py and then manually modifying a few files as noted by the script. Approved-By: Eli Zaretskii <eliz@gnu.org>
99 lines
2.9 KiB
Plaintext
99 lines
2.9 KiB
Plaintext
# Copyright 2022-2025 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 test is used to confirm that GDB is able to step, stopping at an
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# epilogue line, then step out of the function.
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standard_testfile
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if { ![have_epilogue_line_info] } {
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untested "This test doesn't work with this compiler"
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return
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}
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if { [prepare_for_testing "failed to prepare" $testfile \
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{step-through-epilogue.c}] } {
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untested "failed to prepare"
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return
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}
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if { ![runto_main] } {
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untested "couldn't run to main"
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return
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}
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proc step_till_epilogue_multiply {} {
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gdb_test "step" ".*return a . b;.*" "step into multiply"
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gdb_test "step" \
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"$::decimal\\s+\\\}\[^\r\n\]+Epilogue line of multiply.*" \
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"stop at the epilogue of multiply"
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}
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proc step_till_epilogue_square {} {
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gdb_test "step" ".*return multiply.*" "step into square"
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step_till_epilogue_multiply
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gdb_test "step" \
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"$::decimal\\s+\\\}\[^\r\n\]+Epilogue line of square.*" \
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"stop at epilogue of square"
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}
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with_test_prefix "multiply" {
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step_till_epilogue_multiply
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gdb_test "step" "x = square \\(2\\);" "leave function"
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}
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with_test_prefix "square" {
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step_till_epilogue_square
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gdb_test "step" ".*x = multiply \\(square \\(1\\), square \\(2\\)\\);.*"\
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"leave function"
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}
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# Some gcc versions can mess this test by requiring extra steps in a
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# few locations. We dynamically test if we're in one such versions in the
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# the first argument, and use that to see if extra steps are needed to
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# finish the second argument
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set midway_return false
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with_test_prefix "square, first argument" {
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step_till_epilogue_square
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gdb_test_multiple "step" "step back to main" {
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-re -wrap "multiply \\(square \\(1\\), square \\(2\\)\\);" {
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set midway_return true
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gdb_send "step\n"
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exp_continue
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}
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-re -wrap "return multiply.*" {
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pass $gdb_test_name
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}
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}
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}
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with_test_prefix "square, second argument" {
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step_till_epilogue_multiply
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gdb_test "step" \
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"$::decimal\\s+\\\}\[^\r\n\]+Epilogue line of square.*" \
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"stop at epilogue of square"
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if {$midway_return} {
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gdb_test "step"\
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".*x = multiply \\(square \\(1\\), square \\(2\\)\\);.*"\
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"step back to main"
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}
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}
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with_test_prefix "multiply with function args" {
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step_till_epilogue_multiply
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gdb_test "step" ".*return 0;.*" "leave last function"
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}
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