From e6ceb1881c7a8b4bd186f64e714e4fc2f7a1815b Mon Sep 17 00:00:00 2001
From: Michael Specter <mikespecter@google.com>
Date: Mon, 22 Feb 2021 20:16:25 -0500
Subject: [PATCH] ANDROID: Adding kprobes build configs for Cuttlefish

Bug: 181054145
Change-Id: Ibb1362479469eae9c294f71a483e500db05b04e1
Signed-off-by: Michael Specter <mikespecter@google.com>
---
 build.config.gki_kprobes         | 20 ++++++++++++++++++++
 build.config.gki_kprobes.aarch64 |  4 ++++
 build.config.gki_kprobes.x86_64  |  4 ++++
 3 files changed, 28 insertions(+)
 create mode 100644 build.config.gki_kprobes
 create mode 100644 build.config.gki_kprobes.aarch64
 create mode 100644 build.config.gki_kprobes.x86_64

diff --git a/build.config.gki_kprobes b/build.config.gki_kprobes
new file mode 100644
index 00000000000000..d4a7e7ae9cd48c
--- /dev/null
+++ b/build.config.gki_kprobes
@@ -0,0 +1,20 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig && update_kprobes_config"
+function update_kprobes_config() {
+    ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+         -d LTO \
+         -d LTO_CLANG_THIN \
+         -d CFI \
+         -d CFI_PERMISSIVE \
+         -d CFI_CLANG \
+         -e CONFIG_DYNAMIC_FTRACE \
+         -e CONFIG_FUNCTION_TRACER \
+         -e CONFIG_IRQSOFF_TRACER \
+         -e CONFIG_FUNCTION_PROFILER \
+         -e CONFIG_PREEMPT_TRACER \
+         -e CONFIG_CHECKPOINT_RESTORE \
+         -d CONFIG_RANDOMIZE_BASE
+    (cd ${OUT_DIR} && \
+     make ${CC_LD_ARG} O=${OUT_DIR} olddefconfig)
+}
+
diff --git a/build.config.gki_kprobes.aarch64 b/build.config.gki_kprobes.aarch64
new file mode 100644
index 00000000000000..627c2176f97168
--- /dev/null
+++ b/build.config.gki_kprobes.aarch64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kprobes
+
diff --git a/build.config.gki_kprobes.x86_64 b/build.config.gki_kprobes.x86_64
new file mode 100644
index 00000000000000..a1d3da740b3683
--- /dev/null
+++ b/build.config.gki_kprobes.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kprobes
+