From b94b29d79c55ed528cd956dc4a8dda643256e406 Mon Sep 17 00:00:00 2001
From: Justine Tunney <jtunney@gmail.com>
Date: Tue, 6 Jun 2023 06:00:31 -0700
Subject: [PATCH] Prevent ftrace from misaligning functions

---
 build/config.mk         | 2 +-
 third_party/ggml/fp16.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/build/config.mk b/build/config.mk
index 8434920e2..c344533ad 100644
--- a/build/config.mk
+++ b/build/config.mk
@@ -471,7 +471,7 @@ ifeq ($(ARCH), x86_64)
 #       jmp -7             # 2 bytes
 #       ...
 #
-CONFIG_CCFLAGS += -fpatchable-function-entry=11,9
+CONFIG_CCFLAGS += -fpatchable-function-entry=18,16
 endif
 ifeq ($(ARCH), aarch64)
 # this flag causes gcc to generate functions like this
diff --git a/third_party/ggml/fp16.c b/third_party/ggml/fp16.c
index 71d46d09c..262047d65 100644
--- a/third_party/ggml/fp16.c
+++ b/third_party/ggml/fp16.c
@@ -26,6 +26,7 @@
 │                                                                              │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "third_party/ggml/fp16.h"
+#include "libc/runtime/runtime.h"
 #include "libc/str/str.h"
 #include "third_party/ggml/fp16.internal.h"
 #include "third_party/libcxx/math.h"
@@ -124,6 +125,7 @@ inline static float ggml_silu_f32(float x) {
 
 void ggml_fp16_init(void) {
     ggml_fp16_t ii;
+    ftrace_enabled(-1);
     for (int i = 0; i < (1 << 16); ++i) {
         uint16_t ui = i;
         memcpy(&ii, &ui, sizeof(ii));
@@ -132,4 +134,5 @@ void ggml_fp16_init(void) {
         table_silu_f16[i] = GGML_FP32_TO_FP16(ggml_silu_f32(f));
         table_exp_f16[i]  = GGML_FP32_TO_FP16(expf(f));
     }
+    ftrace_enabled(+1);
 }