gdb/testsuite/gdb.cell/arch.exp

   1 # Copyright 2009-2016 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 #
  16 # Contributed by Markus Deuling <deuling@de.ibm.com>.
  17 #
  18 # Testsuite for Cell Broadband Engine combined debugger
  19 # This testcase checks if the "show architecture" command works properly.
  20
  21 load_lib cell.exp
  22
  23 set ppu_file "break"
  24 set ppu_src ${srcdir}/${subdir}/${ppu_file}.c
  25 set ppu_bin ${objdir}/${subdir}/${ppu_file}
  26 set spu_file "break-spu"
  27 set spu_src ${srcdir}/${subdir}/${spu_file}.c
  28 set spu_bin ${objdir}/${subdir}/${spu_file}
  29
  30 if {[skip_cell_tests]} {
  31     return 0
  32 }
  33
  34 # Compile SPU binary.
  35 if { [gdb_compile_cell_spu $spu_src $spu_bin executable {debug}]  != "" } {
  36   unsupported "compiling spu binary failed."
  37   return -1
  38 }
  39 # Compile PPU binary.
  40 if { [gdb_cell_embedspu $spu_bin $spu_bin-embed.o {debug}]  != "" } {
  41   unsupported "embedding spu binary failed."
  42   return -1
  43 }
  44 if { [gdb_compile_cell_ppu [list $ppu_src $spu_bin-embed.o] $ppu_bin executable {debug}] != "" } {
  45   unsupported "compiling ppu binary failed."
  46   return -1
  47 }
  48
  49 if [get_compiler_info] {
  50   return -1
  51 }
  52
  53 gdb_exit
  54 gdb_start
  55 gdb_reinitialize_dir $srcdir/$subdir
  56 gdb_load ${ppu_bin}
  57
  58 # No programm running, default architecture should be powerpc:common.
  59 gdb_test "show architecture" \
  60          "The target architecture is set automatically.*currently powerpc:common.*" \
  61          "startup architecture is powerpc:common"
  62
  63 if ![runto_main] then {
  64   fail "can't run to main"
  65   return 0
  66 }
  67
  68 # In PPU thread, architecture should be powerpc:common.
  69 gdb_test "show architecture" \
  70          "The target architecture is set automatically.*currently powerpc:common.*" \
  71          "ppu architecture is powerpc:common"
  72
  73 # Switch to SPU thread.
  74 cont_spu_main
  75 check_spu_arch ""
  76
  77 # Remember thread ID of first thread to hit SPU main.
  78 send_gdb "thread\n"
  79 gdb_expect 10 {
  80     -re "Current thread is (\[0-9\]*) .*\r\n$gdb_prompt $" {
  81         pass "retrieve current thread"
  82         set thread_id $expect_out(1,string)
  83     }
  84     -re "$gdb_prompt $" {
  85         fail "retrieve current thread"
  86         return 0
  87     }
  88     timeout {
  89         fail "retrieve current thread (timed out)"
  90         return 0
  91     }
  92 }
  93
  94 # Stress Test: Switching from PPU- to SPU-Thread and back 'rep' times.
  95 set rep 100
  96 for {set i 0} {$i < $rep} {incr i} {
  97   # Switch to PPU Thread.
  98   gdb_test "t 1" \
  99            "Switching to thread 1.*" \
 100            "switch back to thread 1 (PPU) #$i"
 101   # In PPU Thread, architecture should again be powerpc:common.
 102   gdb_test "show architecture" \
 103            "The target architecture is set automatically.*currently powerpc:common.*" \
 104            "ppu architecture is powerpc:common again #$i"
 105   # Thread switching to SPU.
 106   gdb_test "t $thread_id" \
 107            "Switching to thread $thread_id.*at.*$spu_file.c.*" \
 108            "switch back to thread $thread_id (spu) #$i"
 109   # Standing in SPU thread again, architecture should be spu:256K again.
 110   check_spu_arch "spu architecture is spu256K again #$i"
 111 }
 112 # End of Stress Test loop
 113
 114 gdb_exit
 115
 116 return 0