RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-14 08:54:58 +00:00
Code Issues Activity Actions

Toolchain: Build aarch64-gdb for cross-debugging on x86

Browse source
This commit is contained in:
Idan Horowitz 2021-09-07 02:14:32 +03:00 • committed by Andreas Kling
parent fe2e25edad
commit 783a58dbc7
3 changed files with 122 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

29
Meta/debug-kernel.sh
View file

@ -1,8 +1,18 @@
#!/bin/sh
SCRIPT_DIR="$(dirname "${0}")"
# Set this environment variable to override the default debugger.
#
[ -z "$SERENITY_KERNEL_DEBUGGER" ] && SERENITY_KERNEL_DEBUGGER="gdb"
if [ -z "$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:$PATH"
SERENITY_KERNEL_DEBUGGER="aarch64-pc-serenity-gdb"
else
SERENITY_KERNEL_DEBUGGER="gdb"
fi
fi
# The QEMU -s option (enabled by default in ./run) sets up a debugger
# remote on localhost:1234. So point our debugger there, and inform
@ -12,10 +22,14 @@ if [ "$SERENITY_ARCH" = "x86_64" ]; then
gdb_arch=i386:x86-64
prekernel_image=Prekernel64
kernel_base=0x2000200000
else
elif [ "$SERENITY_ARCH" = "i686" ]; then
gdb_arch=i386:intel
prekernel_image=Prekernel
prekernel_image=Prekernel32
kernel_base=0xc0200000
elif [ "$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
@ -25,16 +39,17 @@ else
gdb_host=localhost
fi
exec $SERENITY_KERNEL_DEBUGGER \
-ex "file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Prekernel/$prekernel_image" \
-ex "file $SCRIPT_DIR/../Build/${SERENITY_ARCH:-i686}/Kernel/Prekernel/$prekernel_image" \
-ex "set confirm off" \
-ex "directory $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/" \
-ex "add-symbol-file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Kernel -o $kernel_base" \
-ex "directory $SCRIPT_DIR/../Build/${SERENITY_ARCH:-i686}/" \
-ex "add-symbol-file $SCRIPT_DIR/../Build/${SERENITY_ARCH:-i686}/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 $(dirname "$0")/serenity_gdb.py" \
-ex "source $SCRIPT_DIR/serenity_gdb.py" \
-ex "layout asm" \
-ex "fs next" \
"$@"