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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.
58 lines
2.0 KiB
Plaintext
58 lines
2.0 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2011-2023 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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standard_testfile
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require {!target_info exists gdb,nosignals}
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if [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {debug}] {
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return -1
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}
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if {![runto_main]} {
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return -1
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}
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# If we can examine what's at memory address 0, it is possible that we
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# could also execute it. This could probably make us run away,
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# executing random code, which could have all sorts of ill effects,
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# especially on targets without an MMU. Don't run the tests in that
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# case.
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if { [is_address_zero_readable] } {
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untested "memory at address 0 is possibly executable"
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return -1
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}
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# Run until we hit the SIGSEGV (or SIGBUS on some platforms).
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gdb_test "continue" \
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".*Program received signal (SIGBUS|SIGSEGV).*bowler.*" \
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"continue to fault"
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# Insert conditional breakpoint at faulting instruction
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gdb_test "break if 0" ".*" "set conditional breakpoint"
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# Set SIGSEGV/SIGBUS to pass+nostop
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gdb_test "handle SIGSEGV nostop print pass" ".*" "pass SIGSEGV"
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gdb_test "handle SIGBUS nostop print pass" ".*" "pass SIGBUS"
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# Step off the faulting instruction into the handler, triggering nested faults
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gdb_test "continue" \
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".*Program received signal (SIGBUS|SIGSEGV).*Program received signal (SIGBUS|SIGSEGV).*exited normally.*" \
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"run through nested faults"
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