# Copyright 2009-2013 Free Software Foundation, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # Contributed by Markus Deuling <deuling@de.ibm.com>. # # Testsuite for Cell Broadband Engine combined debugger # This testcase checks if the "show architecture" command works properly. load_lib cell.exp set ppu_file "break" set ppu_src ${srcdir}/${subdir}/${ppu_file}.c set ppu_bin ${objdir}/${subdir}/${ppu_file} set spu_file "break-spu" set spu_src ${srcdir}/${subdir}/${spu_file}.c set spu_bin ${objdir}/${subdir}/${spu_file} if {[skip_cell_tests]} { return 0 } # Compile SPU binary. if { [gdb_compile_cell_spu $spu_src $spu_bin executable {debug}] != "" } { unsupported "Compiling spu binary failed." return -1 } # Compile PPU binary. if { [gdb_cell_embedspu $spu_bin $spu_bin-embed.o {debug}] != "" } { unsupported "Embedding spu binary failed." return -1 } if { [gdb_compile_cell_ppu [list $ppu_src $spu_bin-embed.o] $ppu_bin executable {debug}] != "" } { unsupported "Compiling ppu binary failed." return -1 } if [get_compiler_info] { return -1 } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${ppu_bin} # No programm running, default architecture should be powerpc:common. gdb_test "show architecture" \ "The target architecture is set automatically.*currently powerpc:common.*" \ "startup architecture is powerpc:common" if ![runto_main] then { fail "Can't run to main" return 0 } # In PPU thread, architecture should be powerpc:common. gdb_test "show architecture" \ "The target architecture is set automatically.*currently powerpc:common.*" \ "ppu architecture is powerpc:common" # Switch to SPU thread. cont_spu_main check_spu_arch "" # Remember thread ID of first thread to hit SPU main. send_gdb "thread\n" gdb_expect 10 { -re "Current thread is (\[0-9\]*) .*\r\n$gdb_prompt $" { pass "Retrieve current thread" set thread_id $expect_out(1,string) } -re "$gdb_prompt $" { fail "Retrieve current thread" return 0 } timeout { fail "Retrieve current thread (timed out)" return 0 } } # Stress Test: Switching from PPU- to SPU-Thread and back 'rep' times. set rep 100 for {set i 0} {$i < $rep} {incr i} { # Switch to PPU Thread. gdb_test "t 1" \ "Switching to thread 1.*" \ "switch back to thread 1 (PPU) #$i" # In PPU Thread, architecture should again be powerpc:common. gdb_test "show architecture" \ "The target architecture is set automatically.*currently powerpc:common.*" \ "ppu architecture is powerpc:common again #$i" # Thread switching to SPU. gdb_test "t $thread_id" \ "Switching to thread $thread_id.*at.*$spu_file.c.*" \ "switch back to thread $thread_id (spu) #$i" # Standing in SPU thread again, architecture should be spu:256K again. check_spu_arch "spu architecture is spu256K again #$i" } # End of Stress Test loop gdb_exit return 0