From b47c623c3ab7a75621f5739fad0ae169be18d12a Mon Sep 17 00:00:00 2001
From: Prabhdeep Singh Soni <prabhdeep.singh.soni3@huawei.com>
Date: Thu, 14 Nov 2024 23:44:35 -0500
Subject: [PATCH] Enable PGO, PLT inlining, and -Bsymbolic

Signed-off-by: Bryan Chan <bryan.chan@huawei.com>
---
 base/BUILD.gn | 21 +++++++++++++++++++++
 bundle.json   |  4 +++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/base/BUILD.gn b/base/BUILD.gn
index 82586fb..e4ca743 100644
--- a/base/BUILD.gn
+++ b/base/BUILD.gn
@@ -21,6 +21,8 @@ declare_args() {
   c_utils_debug_log_enabled = false
   c_utils_feature_intsan = true
   c_utils_parcel_object_check = true
+  c_utils_feature_enable_pgo = false
+  c_utils_feature_pgo_path = ""
 }
 
 config("utils_config") {
@@ -228,6 +230,25 @@ ohos_shared_library("utils") {
       "updater",
     ]
   }
+  if (is_ohos && is_clang && enhanced_opt &&
+      (target_cpu == "arm" || target_cpu == "arm64")) {
+    if (c_utils_feature_enable_pgo) {
+      cflags = [
+        "-fprofile-use=" +
+            rebase_path("${c_utils_feature_pgo_path}/libutils.profdata",
+                        root_build_dir),
+        "-Wno-error=backend-plugin",
+        "-Wno-profile-instr-out-of-date",
+        "-Wno-profile-instr-unprofiled",
+      ]
+    }
+
+    ldflags = [ "-Wl,-Bsymbolic" ]
+    if (c_utils_feature_enable_pgo && target_cpu == "arm64" &&
+        enable_enhanced_opt) {
+      ldflags += [ "-Wl,--aarch64-inline-plt" ]
+    }
+  }
 }
 
 ########## modules for `c_utils` in rust ##########
diff --git a/bundle.json b/bundle.json
index 1d43dbd..3042fa4 100644
--- a/bundle.json
+++ b/bundle.json
@@ -23,7 +23,9 @@
       "c_utils_print_track_at_once",
       "c_utils_debug_log_enabled",
       "c_utils_feature_intsan",
-      "c_utils_parcel_object_check"
+      "c_utils_parcel_object_check",
+      "c_utils_feature_enable_pgo",
+      "c_utils_feature_pgo_path"
     ],
     "deps": {
       "components": [
-- 
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