From 7bdb0d3577dd53f1b8bb754c8a53202f23911f6a Mon Sep 17 00:00:00 2001
From: TotallyNotElite <totallynotelite@gmail.com>
Date: Thu, 11 Feb 2021 21:36:21 +0100
Subject: [PATCH] Fix gdb on archlinux based distros

Something is VERY VERY broken with this gdb. Don't care, let's use our precompiled GDB (from binary mode) in the mean time!
---
 attach                  | 7 ++++++-
 attach-gdb              | 7 ++++++-
 attach-libnamed.sh      | 7 ++++++-
 scripts/dependencycheck | 2 ++
 4 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/attach b/attach
index 2b65be1b..53e53c15 100755
--- a/attach
+++ b/attach
@@ -35,7 +35,12 @@ cp "bin/libcathook.so" "$FILENAME"
 
 echo loading "$FILENAME" to "$proc"
 
-gdb -n -q -batch                                                        \
+gdbbin="gdb"
+if [ -x "./bin/gdb-arch-2021-02" ]; then
+  gdbbin="./bin/gdb-arch-2021-02"
+fi
+
+$gdbbin -n -q -batch                                                        \
     -ex "attach $proc"                                                  \
     -ex "echo \033[1mCalling dlopen\033[0m\n"                           \
     -ex "call ((void*(*)(const char*, int))dlopen)(\"$FILENAME\", 1)"   \
diff --git a/attach-gdb b/attach-gdb
index 270bfe20..05cc0390 100755
--- a/attach-gdb
+++ b/attach-gdb
@@ -35,7 +35,12 @@ cp "bin/libcathook.so" "$FILENAME"
 
 echo loading "$FILENAME" to "$proc"
 
-gdb -n -q -batch                                                        \
+gdbbin="gdb"
+if [ -x "./bin/gdb-arch-2021-02" ]; then
+  gdbbin="./bin/gdb-arch-2021-02"
+fi
+
+$gdbbin -n -q -batch                                                        \
     -ex "attach $proc"                                                  \
     -ex "echo \033[1mCalling dlopen\033[0m\n"                           \
     -ex "call ((void*(*)(const char*, int))dlopen)(\"$FILENAME\", 1)"   \
diff --git a/attach-libnamed.sh b/attach-libnamed.sh
index ef57cee5..bbe36b30 100755
--- a/attach-libnamed.sh
+++ b/attach-libnamed.sh
@@ -44,7 +44,12 @@ sudo cp "bin/libcathook.so" "/lib/i386-linux-gnu/${FILENAME}"
 
 echo loading "$FILENAME" to "$proc"
 
-gdb -n -q -batch                                                                                \
+gdbbin="gdb"
+if [ -x "./bin/gdb-arch-2021-02" ]; then
+  gdbbin="./bin/gdb-arch-2021-02"
+fi
+
+$gdbbin -n -q -batch                                                                                \
     -ex "attach $proc"                                                                          \
     -ex "echo \033[1mCalling dlopen\033[0m\n"                                                   \
     -ex "call ((void*(*)(const char*, int))dlopen)(\"/lib/i386-linux-gnu/$FILENAME\", 1)"       \
diff --git a/scripts/dependencycheck b/scripts/dependencycheck
index 193b91f6..0398aeaf 100755
--- a/scripts/dependencycheck
+++ b/scripts/dependencycheck
@@ -97,6 +97,8 @@ case "$OS" in
             requestPermissions "${arch_packages[@]}"
             $SUDO pacman -S --noconfirm --needed "${arch_packages[@]}"
         fi
+        # Arch's shipped GDB is broken at this time
+        curl -C - -o ./bin/gdb-arch-2021-02 https://nullworks.gitlab.io/cathook/cathook/gdb && chmod +x ./bin/gdb-arch-2021-02 || true
     ;;
     "ubuntu")
         dpkg -s "${ubuntu_packages[@]}" > /dev/null 2>&1