4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
65 lines
1.9 KiB
Text
65 lines
1.9 KiB
Text
# Copyright 2020-2022 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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# Test skipping a prologue that was generated with gcc's -fcf-protection=full
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# (control flow protection) option.
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#
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# This option places an `endbr32`/`endbr64` instruction at the start of
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# all functions, which can interfere with prologue analysis.
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standard_testfile .c
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set binfile ${binfile}
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if { ![istarget x86_64-*-*] && ![istarget i?86-*-*] } {
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verbose "Skipping ${testfile}."
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return
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}
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if { ![supports_fcf_protection] } {
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untested "-fcf-protection not supported"
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return
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}
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set opts {debug additional_flags=-fcf-protection=full}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $opts] != "" } {
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untested "failed to compile"
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return
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}
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clean_restart ${binfile}
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# Get start address of function main.
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set main_addr [get_integer_valueof &main -1]
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gdb_assert {$main_addr != -1}
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set bp_addr -1
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# Put breakpoint on main, get the address where the breakpoint was installed.
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gdb_test_multiple "break -q main" "break on main, get address" {
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-re -wrap "Breakpoint $decimal at ($hex).*" {
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set bp_addr $expect_out(1,string)
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# Convert to decimal.
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set bp_addr [expr $bp_addr]
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pass $gdb_test_name
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}
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}
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if { $bp_addr != -1 } {
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# Make sure some prologue was skipped.
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gdb_assert {$bp_addr > $main_addr}
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}
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