jcs.org
Serenity Operating System
1#!/bin/sh
2
3SCRIPT_DIR="$(dirname "${0}")"
4
5if [ -z "$SERENITY_ARCH" ]; then
6 SERENITY_ARCH="x86_64"
7fi
8
9# Set this environment variable to override the default debugger.
10#
11if [ -z "$SERENITY_KERNEL_DEBUGGER" ]; then
12 if [ "$SERENITY_ARCH" = "aarch64" ]; then
13 # Prepend the toolchain aarch64 bin directory so we pick up GDB from there
14 PATH="$SCRIPT_DIR/../Toolchain/Local/aarch64/bin:$PATH"
15 SERENITY_KERNEL_DEBUGGER="aarch64-pc-serenity-gdb"
16 else
17 if command -v x86_64-elf-gdb >/dev/null 2>&1; then
18 SERENITY_KERNEL_DEBUGGER="x86_64-elf-gdb"
19 else
20 SERENITY_KERNEL_DEBUGGER=gdb
21 fi
22 fi
23fi
24
25toolchain_suffix=
26if [ "$SERENITY_TOOLCHAIN" = "Clang" ]; then
27 toolchain_suffix="clang"
28fi
29
30# The QEMU -s option (enabled by default in ./run) sets up a debugger
31# remote on localhost:1234. So point our debugger there, and inform
32# the debugger which binary to load symbols, etc from.
33#
34if [ "$SERENITY_ARCH" = "x86_64" ]; then
35 gdb_arch=i386:x86-64
36 prekernel_image=Prekernel64
37 kernel_base=0x2000200000
38elif [ "$SERENITY_ARCH" = "aarch64" ]; then
39 gdb_arch=aarch64:armv8-r
40 prekernel_image=Prekernel
41 kernel_base=0xc0000000 # FIXME
42fi
43
44# FIXME: This doesn't work when running QEMU inside the WSL2 VM
45if command -v wslpath >/dev/null; then
46 gdb_host=$(powershell.exe "(Test-Connection -ComputerName (hostname) -Count 1).IPV4Address.IPAddressToString" | tr -d '\r\n')
47else
48 gdb_host=${SERENITY_HOST_IP:-127.0.0.1}
49fi
50
51
52exec $SERENITY_KERNEL_DEBUGGER \
53 -ex "file $SCRIPT_DIR/../Build/${SERENITY_ARCH:-x86_64}$toolchain_suffix/Kernel/Prekernel/$prekernel_image" \
54 -ex "set confirm off" \
55 -ex "directory $SCRIPT_DIR/../Build/${SERENITY_ARCH:-x86_64}$toolchain_suffix/" \
56 -ex "add-symbol-file $SCRIPT_DIR/../Build/${SERENITY_ARCH:-x86_64}$toolchain_suffix/Kernel/Kernel -o $kernel_base" \
57 -ex "set confirm on" \
58 -ex "set arch $gdb_arch" \
59 -ex "set print frame-arguments none" \
60 -ex "target remote ${gdb_host}:1234" \
61 -ex "source $SCRIPT_DIR/serenity_gdb.py" \
62 -ex "layout asm" \
63 -ex "fs next" \
64 "$@"