proc_events.c: comment out aarch64

README.adoc

@@ -2440,6 +2440,28 @@ TODO: why does this produce no output?
 * https://serverfault.com/questions/199654/does-anyone-know-a-simple-way-to-monitor-root-process-spawn
 * https://unix.stackexchange.com/questions/260162/how-to-track-newly-created-processes
 
+==== CONFIG_PROC_EVENTS aarch64
+
+Was failing with:
+
+....
+>>> kernel_module 1.0 Building
+/usr/bin/make -j8 -C '/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/build/kernel_module-1.0/user' BR2_PACKAGE_OPENBLAS="" CC="/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/host/bin/aarch64-buildroot-linux-uclibc-gcc" LD="/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/host/bin/aarch64-buildroot-linux-uclibc-ld"
+/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/host/bin/aarch64-buildroot-linux-uclibc-gcc  -ggdb3 -fopenmp -O0 -std=c99 -Wall -Werror -Wextra -o 'proc_events.out' 'proc_events.c' 
+In file included from /home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/signal.h:329:0,
+                 from proc_events.c:12:
+/home/ciro/bak/git/linux-kernel-module-cheat/out/aarch64/buildroot/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/sys/ucontext.h:50:16: error: field ‘uc_mcontext’ has incomplete type
+     mcontext_t uc_mcontext;
+                ^~~~~~~~~~~
+....
+
+so we commented it out.
+
+Related threads:
+
+* https://mailman.uclibc-ng.org/pipermail/devel/2018-January/001624.html lets try to update uclibc, possibly track it as a submodule already :-)
+* https://github.com/DynamoRIO/dynamorio/issues/2356
+
 ==== ftrace
 
 Trace a single function:

kernel_module/user/proc_events.c

@@ -4,6 +4,12 @@ This file is licensed under the GPL v2 (http://www.gnu.org/licenses/gpl2.txt) (s
 https://stackoverflow.com/questions/6075013/detect-launching-of-programs-on-linux-platform/8255487#8255487
 */
 
+#if defined(__aarch64__)
+
+int main() {}
+
+#else
+
 #define _XOPEN_SOURCE 700
 #include <sys/socket.h>
 #include <linux/netlink.h>
@@ -178,3 +184,5 @@ out:
 	close(nl_sock);
 	exit(rc);
 }
+
+#endif

run

@@ -293,7 +293,7 @@ if "$tmux"; then
   if "$debug"; then
     eval "./tmu ./rungdb -a "${arch}" ${tmux_args}"
   elif "$gem5"; then
-    eval "./tmu 'sleep 1;./gem5-shell'"
+    eval "./tmu 'sleep 2;./gem5-shell'"
   fi
 fi
 echo "$cmd" | tee "${out_arch_dir}/run.sh"