historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/edk2/EmulatorPkg/Unix/GdbRun.sh

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2024-01-16 11:20:27 -06:00
## @file
# GDB startup script
#
# Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
#
# Gdb will set $_exitcode when the program exits. Pre-init it to an unlikely
# return value.
#
set $_exitcode = 42
#
# Gdb will call hook-stop on each break. Check to see if $_exitcode was
# changed from the value we pre-initialized it to. If so, the program
# had exited, so gdb should now quit.
#
define hook-stop
if $_exitcode != 42
quit
else
source Host.gdb
end
end
#
# We keep track of the number of symbol files we have loaded via gdb
# scripts in the $SymbolFilesAdded variable
#
set $SymbolFileChangesCount = 0
#
# This macro adds a symbols file for gdb
#
# @param $arg0 - Symbol file changes number
# @param $arg1 - Symbol file name
# @param $arg2 - Image address
#
define AddFirmwareSymbolFile
if $SymbolFileChangesCount < $arg0
add-symbol-file $arg1 $arg2
set $SymbolFileChangesCount = $arg0
end
end
#
# This macro removes a symbols file for gdb
#
# @param $arg0 - Symbol file changes number
# @param $arg1 - Symbol file name
#
define RemoveFirmwareSymbolFile
if $SymbolFileChangesCount < $arg0
#
# Currently there is not a method to remove a single symbol file
#
set $SymbolFileChangesCount = $arg0
end
end
if gInXcode == 1
# in Xcode the program is already runing. Issuing a run command
# will cause a fatal debugger error. The break point sciprt that
# is used to source this script sets gInCode to 1.
else
#
# Start the program running
#
run
end