ladybird/Meta/debug-kernel.sh
Gunnar Beutner 57417a3d6e Kernel: Support loading the kernel at almost arbitrary virtual addresses
This enables further work on implementing KASLR by adding relocation
support to the pre-kernel and updating the kernel to be less dependent
on specific virtual memory layouts.
2021-07-27 13:15:16 +02:00

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#!/bin/sh
# Set this environment variable to override the default debugger.
#
[ -z "$SERENITY_KERNEL_DEBUGGER" ] && SERENITY_KERNEL_DEBUGGER="gdb"
# The QEMU -s option (enabled by default in ./run) sets up a debugger
# remote on localhost:1234. So point our debugger there, and inform
# the debugger which binary to load symbols, etc from.
#
if [ "$SERENITY_ARCH" = "x86_64" ]; then
gdb_arch=i386:x86-64
prekernel_image=Prekernel64
kernel_base=0x2000200000
else
gdb_arch=i386:intel
prekernel_image=Prekernel
kernel_base=0xc0200000
fi
exec $SERENITY_KERNEL_DEBUGGER \
-ex "file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Prekernel/$prekernel_image" \
-ex "set confirm off" \
-ex "add-symbol-file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Kernel -o $kernel_base" \
-ex "set confirm on" \
-ex "set arch $gdb_arch" \
-ex 'target remote localhost:1234' \
-ex "source $(dirname "$0")/serenity_gdb.py" \
-ex "layout asm" \
-ex "fs next" \
"$@"