# Copyright 2008 Free Software Foundation, Inc.
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# Copyright 2008 Free Software Foundation, Inc.
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#
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#
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# This program is free software; you can redistribute it and/or modify
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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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# 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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# 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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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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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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# 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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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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, write to the Free Software
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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# This file is part of the gdb testsuite.
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# This file is part of the gdb testsuite.
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if $tracelevel {
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if $tracelevel {
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strace $tracelevel
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strace $tracelevel
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}
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}
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# Test single stepping through atomic sequences beginning with
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# Test single stepping through atomic sequences beginning with
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# a lwarx/ldarx instruction and ending with a stwcx/stdcx
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# a lwarx/ldarx instruction and ending with a stwcx/stdcx
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# instruction.
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# instruction.
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set prms_id 0
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set prms_id 0
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set bug_id 0
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set bug_id 0
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if ![istarget "powerpc64-*"] then {
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if ![istarget "powerpc64-*"] then {
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verbose "Skipping testing of powerpc64 single stepping over atomic sequences."
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verbose "Skipping testing of powerpc64 single stepping over atomic sequences."
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return
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return
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}
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}
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set testfile "ppc64-atomic-inst"
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set testfile "ppc64-atomic-inst"
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set srcfile ${testfile}.c
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set binfile ${objdir}/${subdir}/${testfile}
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set compile_flags "debug"
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set compile_flags "debug"
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug additional_flags=-m64]] != "" } {
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug additional_flags=-m64]] != "" } {
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unsupported "Testcase compile failed."
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unsupported "Testcase compile failed."
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return -1
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return -1
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}
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}
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_load ${binfile}
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if ![runto_main] then {
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if ![runto_main] then {
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perror "Couldn't run to breakpoint"
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perror "Couldn't run to breakpoint"
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continue
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continue
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}
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}
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set bp1 [gdb_get_line_number "lwarx"]
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set bp1 [gdb_get_line_number "lwarx"]
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gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \
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gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \
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"Set the breakpoint at the start of the sequence"
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"Set the breakpoint at the start of the sequence"
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gdb_test continue "Continuing.*Breakpoint $decimal.*" \
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gdb_test continue "Continuing.*Breakpoint $decimal.*" \
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"Continue until breakpoint"
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"Continue until breakpoint"
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gdb_test next ".*__asm __volatile.*" \
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gdb_test next ".*__asm __volatile.*" \
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"Step through the lwarx/stwcx sequence"
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"Step through the lwarx/stwcx sequence"
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gdb_test next ".*return 0.*" \
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gdb_test next ".*return 0.*" \
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"Step through the ldarx/stdcx sequence"
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"Step through the ldarx/stdcx sequence"
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