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# Copyright 2009-2018 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 testcases tests on PPU and SPU if variables and registers are accessible
# via print and set by using names and adresses.
load_lib cell.exp
set ppu_file "mem-access"
set ppu_src ${srcdir}/${subdir}/${ppu_file}.c
set ppu_bin [standard_output_file ${ppu_file}]
set spu_file "mem-access-spu"
set spu_src ${srcdir}/${subdir}/${spu_file}.c
set spu_bin [standard_output_file ${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
}
# Get the adress to symbol name. If $reg
# is set to 1, get address from a register.
proc get_adress_from_name { name reg } {
global gdb_prompt
set adr ""
if { $reg == 1 } {
set q "x/x $name"
} else {
set q "x/x &$name"
}
gdb_test_multiple $q "get address from $name" {
-re "(0x.....):.*$gdb_prompt $" { # Registers.
set adr $expect_out(1,string)
pass "get adress from $name = $adr"
}
-re "(0x........) <.*$gdb_prompt $" { # PPU address.
set adr $expect_out(1,string)
pass "get adress from $name = $adr"
}
-re "(0x....) <.*$gdb_prompt $" { # SPU address.
set adr $expect_out(1,string)
pass "get adress from $name = $adr"
}
-re "(0x...) <.*$gdb_prompt $" { # SPU address.
set adr $expect_out(1,string)
pass "get adress from $name = $adr"
}
}
return ${adr}
}
# Try to set a $value at adress $adr.
proc set_adr_content { adr value } {
gdb_test "set *$adr=$value" \
"" \
"set *$adr=$value"
}
# Try to set a $value for $symbol.
proc set_symbol_content { symbol value } {
gdb_test "set $symbol=$value" \
"" \
"set *$symbol=$value"
}
# Check if $value is at *adr
proc test_adr_content { adr value } {
gdb_test "p *$adr" \
".*=.*$value.*" \
"(ptr) *$adr==$value"
}
proc test_symbol_content { symbol value } {
gdb_test "p $symbol" \
".*=.*$value.*" \
"(symbol) $symbol==$value"
}
# Check VARNAME. Check if it has the inital
# value INITIALVALUE. Set it to NEWVALUE.
# Check if set properly. Do it via symbols and
# pointers.
proc check_var { varname initalvalue newvalue } {
# Initial value should be $initalvalue.
test_symbol_content $varname $initalvalue
# Get pointer to symbol and check if the
# initial value is found.
set adr [get_adress_from_name $varname 0]
test_adr_content $adr $initalvalue
# Re-set value using the pointer.
set_adr_content $adr $newvalue
# Test values by pointer and by symbol.
test_adr_content $adr $newvalue
test_symbol_content $varname $newvalue
# Set value back to initalvalue using symbol
# name and check it.
set_symbol_content $varname $initalvalue
test_adr_content $adr $initalvalue
test_symbol_content $varname $initalvalue
}
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
}
# Check in PPU thread.
c_to "Marker PPUEA" $ppu_file.c
check_var "test_var" 5 7
# Go to SPU thread.
cont_spu_main
c_to "Marker SPUEA" $spu_file.c
check_spu_arch ""
# Check in SPU thread.
check_var "test_var" 5 7
# Check $sp register.
set adr [get_adress_from_name "\$sp" 1]
set_adr_content $adr 8
test_adr_content $adr 8
gdb_exit
return 0
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