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#!/bin/sh
SCRIPT_DIR="$(dirname "${0}")"
if [ -z "$SERENITY_ARCH" ]; then
SERENITY_ARCH="x86_64"
fi
# Set this environment variable to override the default debugger.
#
if [ -z "$SERENITY_KERNEL_DEBUGGER" ]; then
if [ "$SERENITY_ARCH" = "aarch64" ]; then
# Prepend the toolchain aarch64 bin directory so we pick up GDB from there
PATH="$SCRIPT_DIR/../Toolchain/Local/aarch64/bin:$PATH"
SERENITY_KERNEL_DEBUGGER="aarch64-pc-serenity-gdb"
else
if command -v x86_64-elf-gdb >/dev/null 2>&1; then
SERENITY_KERNEL_DEBUGGER="x86_64-elf-gdb"
else
SERENITY_KERNEL_DEBUGGER=gdb
fi
fi
fi
toolchain_suffix=
if [ "$SERENITY_TOOLCHAIN" = "Clang" ]; then
toolchain_suffix="clang"
fi
# The QEMU -s option (enabled by default in ./run) sets up a debugger
# remote on localhost:1234. So point our debugger there, and inform
# the debugger which binary to load symbols, etc from.
#
if [ "$SERENITY_ARCH" = "x86_64" ]; then
gdb_arch=i386:x86-64
prekernel_image=Prekernel64
kernel_base=0x2000200000
elif [ "$SERENITY_ARCH" = "aarch64" ]; then
gdb_arch=aarch64:armv8-r
prekernel_image=Prekernel
kernel_base=0xc0000000 # FIXME
fi
# FIXME: This doesn't work when running QEMU inside the WSL2 VM
if command -v wslpath >/dev/null; then
gdb_host=$(powershell.exe "(Test-Connection -ComputerName (hostname) -Count 1).IPV4Address.IPAddressToString" | tr -d '\r\n')
else
gdb_host=${SERENITY_HOST_IP:-127.0.0.1}
fi
exec $SERENITY_KERNEL_DEBUGGER \
-ex "file $SCRIPT_DIR/../Build/${SERENITY_ARCH:-x86_64}$toolchain_suffix/Kernel/Prekernel/$prekernel_image" \
-ex "set confirm off" \
-ex "directory $SCRIPT_DIR/../Build/${SERENITY_ARCH:-x86_64}$toolchain_suffix/" \
-ex "add-symbol-file $SCRIPT_DIR/../Build/${SERENITY_ARCH:-x86_64}$toolchain_suffix/Kernel/Kernel -o $kernel_base" \
-ex "set confirm on" \
-ex "set arch $gdb_arch" \
-ex "set print frame-arguments none" \
-ex "target remote ${gdb_host}:1234" \
-ex "source $SCRIPT_DIR/serenity_gdb.py" \
-ex "layout asm" \
-ex "fs next" \
"$@"
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