binutils-gdb/gdb/testsuite/gdb.cell/ea-cache.exp

# Copyright 2009-2015 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
# Testcase for ea software managed cache.

load_lib cell.exp

set ppu_file "ea-cache"
set ppu_src ${srcdir}/${subdir}/${ppu_file}.c
set ppu_bin ${objdir}/${subdir}/${ppu_file}
set spu_file "ea-cache-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}

if ![runto_main] then {
  fail "Can't run to main"
  return 0
}

# Set breakpoint in SPU binary.
cont_spu_main
c_to "Marker SPUEA" $spu_file.c

gdb_test "p *ppe_int_ptr" \
	 ".*=.*23.*" \
	 "p *ppe_int_ptr"

gdb_test "set *ppe_int_ptr=42" "" ""

gdb_test "p *ppe_int_ptr" \
	 ".*=.*42.*" \
	 "p *ppe_int_ptr"

# Now switch to thread 1 (PPU) and look at int_var.  ppe_int_ptr points to
# int_var and should now also contain 42 (ea cache has been flushed).
gdb_test "t 1" \
	 ".*Switching to thread 1.*" \
	 "Switch to thread 1"

gdb_test "p int_var" \
	 ".*=.*42.*" \
	 "p int_var on ppu"

gdb_exit
return 0