From 9de2d312a3eeea3523bb71f040eca702cc508865 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Thu, 26 Sep 2019 23:54:08 +0200
Subject: [PATCH] Tiny binary.

---
 extra/systrace/build            | 3 +++
 extra/systrace/tracy_systrace.c | 8 ++++----
 2 files changed, 7 insertions(+), 4 deletions(-)
 create mode 100644 extra/systrace/build

diff --git a/extra/systrace/build b/extra/systrace/build
new file mode 100644
index 00000000..c023ffc8
--- /dev/null
+++ b/extra/systrace/build
@@ -0,0 +1,3 @@
+clang tracy_systrace.c -s -Os -ffunction-sections -fdata-sections -Wl,--gc-sections -fno-stack-protector -Wl,-z,norelro -Wl,--build-id=none -nostdlib -lc
+strip --strip-all -R .note.gnu.gold-version -R .comment -R .note -R .note.gnu.build-id -R .note.ABI-tag -R .eh_frame -R .eh_frame_hdr -R .gnu.hash -R .gnu.version -R .got a.out
+sstrip -z a.out			(elfkickers)
diff --git a/extra/systrace/tracy_systrace.c b/extra/systrace/tracy_systrace.c
index 3ecc0f4d..56b7df49 100644
--- a/extra/systrace/tracy_systrace.c
+++ b/extra/systrace/tracy_systrace.c
@@ -3,17 +3,18 @@
 #include <stdio.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <stdlib.h>
 #include <time.h>
 #include <unistd.h>
 
 enum { BufSize = 64*1024 };
 
-int main()
+void _start()
 {
     char buf[BufSize];
 
     int kernelFd = open( "/sys/kernel/debug/tracing/trace_pipe", O_RDONLY );
-    if( kernelFd == -1 ) return -1;
+    if( kernelFd < 0 ) exit( 0 );
 
     struct pollfd pfd;
     pfd.fd = kernelFd;
@@ -31,6 +32,5 @@ int main()
         write( STDOUT_FILENO, buf, rd );
     }
 
-    close( kernelFd );
-    return 0;
+    exit( 0 );
 }