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88 lines
2.6 KiB
Plaintext
88 lines
2.6 KiB
Plaintext
# Copyright (C) 2008-2018 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 is part of the gdb testsuite.
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# Test stepping over permanent breakpoints on i386.
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if { ![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"] } then {
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verbose "Skipping skip over permanent breakpoint on i386 tests."
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return
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}
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standard_testfile
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# some targets have leading underscores on assembly symbols.
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set additional_flags [gdb_target_symbol_prefix_flags]
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# Don't use "debug", so that we don't have line information for the assembly
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# fragments.
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list $additional_flags]] != "" } {
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untested "failed to compile"
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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return -1
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}
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set function "standard"
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set retcode [gdb_test_multiple "disassemble $function" "disassemble function '$function'" {
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-re "($hex) <\\+0>.*($hex) <\\+$decimal>.*int3.*($hex) <\\+$decimal>.*leave.*$gdb_prompt $" {
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set address_bp $expect_out(2,string)
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set address_after_bp $expect_out(3,string)
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}
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}]
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if {$retcode != 0} {
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fail "disassemble failed, skipping entire test."
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return -1
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}
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gdb_breakpoint "*$address_bp"
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gdb_test "continue" "Breakpoint .*, $address_bp in $function.*" \
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"stop at permanent breakpoint"
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# We want to fetch the stack pointer at the start of '$function'
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# function to make sure the skip_permanent_breakpoint implementation
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# really skips only the permanent breakpoint. If, for whatever
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# reason, the 'leave' instruction executes, the stack pointer will not
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# have this value.
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set start_sp 0
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gdb_test_multiple "print \$sp" "fetch stack pointer value" {
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-re "\\\$1.*($hex).*$gdb_prompt $" {
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set start_sp $expect_out(1,string)
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}
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}
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gdb_test "stepi" "$address_after_bp in $function.*" \
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"single-step past permanent breakpoint"
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gdb_test "print \$sp" ".*$start_sp.*" \
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"stack pointer value matches"
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