mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-01-06 12:09:26 +08:00
3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
121 lines
3.0 KiB
Plaintext
121 lines
3.0 KiB
Plaintext
# Copyright (C) 2018-2021 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/>.
|
|
|
|
# This file is part of the gdb testsuite.
|
|
|
|
# Test access to special purpose registers PPR and DSCR. The test
|
|
# inferior writes to these registers, we check that GDB reads the same
|
|
# values, then write to the registers trough GDB, step once, and check
|
|
# again if we read back the same values.
|
|
|
|
if {![istarget "powerpc*-*-linux*"]} then {
|
|
verbose "Skipping PowerPC test for PPR and DSCR registers."
|
|
return
|
|
}
|
|
|
|
standard_testfile .c
|
|
|
|
if {[build_executable "compile" $binfile $srcfile {debug}] == -1} {
|
|
return
|
|
}
|
|
|
|
proc check_register_access { regname } {
|
|
global gdb_prompt
|
|
|
|
set test "$regname register access"
|
|
gdb_test_multiple "info reg $regname" "$test" {
|
|
-re "Invalid register.*\r\n$gdb_prompt $" {
|
|
unsupported "$test"
|
|
return 0
|
|
}
|
|
-re "\r\n$regname.*\r\n$gdb_prompt $" {
|
|
pass "$test"
|
|
return 1
|
|
}
|
|
}
|
|
return 0
|
|
}
|
|
|
|
# Do one pass to check if the instructions in our test programs are
|
|
# available to this processor (e.g. mtspr 3, RS for accessing DSCR).
|
|
proc ppr_dscr_available {} {
|
|
global gdb_prompt
|
|
global inferior_exited_re
|
|
|
|
set test "PPR/DSCR available to inferior"
|
|
gdb_test_multiple "continue" "" {
|
|
-re "Illegal instruction.*\r\n$gdb_prompt $" {
|
|
unsupported "$test"
|
|
return 0
|
|
}
|
|
-re "$inferior_exited_re normally.*$gdb_prompt $" {
|
|
pass "$test"
|
|
return 1
|
|
}
|
|
}
|
|
return 0
|
|
}
|
|
|
|
with_test_prefix "check PPR/DSCR access" {
|
|
clean_restart $binfile
|
|
|
|
if ![runto_main] {
|
|
return
|
|
}
|
|
|
|
if {![check_register_access "ppr"]} {
|
|
return
|
|
}
|
|
|
|
if {![check_register_access "dscr"]} {
|
|
return
|
|
}
|
|
|
|
if {![ppr_dscr_available]} {
|
|
return
|
|
}
|
|
}
|
|
|
|
# Now do the actual test
|
|
clean_restart $binfile
|
|
|
|
if ![runto_main] {
|
|
return
|
|
}
|
|
|
|
gdb_breakpoint [gdb_get_line_number "marker"]
|
|
|
|
gdb_continue_to_breakpoint "continue to marker"
|
|
|
|
# At the breakpoint the inferior should have set the
|
|
# registers to these expected values.
|
|
|
|
with_test_prefix "before write" {
|
|
gdb_test "info reg dscr" "dscr.*0x0*20\[ \t\]+.*"
|
|
gdb_test "info reg ppr" "ppr.*0x0*8000000000000\[ \t\]+.*"
|
|
}
|
|
|
|
# Set Store Stream Enable in DSCR and set PPR to the medium-low
|
|
# priority.
|
|
gdb_test_no_output "set \$dscr = 0x8"
|
|
gdb_test_no_output "set \$ppr = 0xC000000000000"
|
|
|
|
gdb_test "stepi" "asm.*"
|
|
|
|
with_test_prefix "after write" {
|
|
gdb_test "info reg dscr" "dscr.*0x0*8+\[ \t\]+.*"
|
|
gdb_test "info reg ppr" "ppr.*0x0*\[cC\]000000000000\[ \t\]+.*"
|
|
}
|