From 27356b782674a9e2bb040553bebb57f2330fd2e3 Mon Sep 17 00:00:00 2001
From: EnderIce2 <enderice2@protonmail.com>
Date: Mon, 24 Mar 2025 00:38:03 +0000
Subject: [PATCH] fix(userspace/libc): mark ABI and build ID notes as used to
 prevent optimization removal

Signed-off-by: EnderIce2 <enderice2@protonmail.com>
---
 Userspace/libc/interpreter/start.c         | 4 ++--
 Userspace/libc/runtime/fennix/amd64/crt1.c | 2 +-
 Userspace/libc/runtime/linux/x86_64/crt1.c | 2 +-
 Userspace/libc/src/main.c                  | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Userspace/libc/interpreter/start.c b/Userspace/libc/interpreter/start.c
index 238f9e56..66662e32 100644
--- a/Userspace/libc/interpreter/start.c
+++ b/Userspace/libc/interpreter/start.c
@@ -69,7 +69,7 @@ const struct
 	Elf_Nhdr header;
 	char name[4];
 	__UINT32_TYPE__ desc[4];
-} __abi_tag __attribute__((aligned(4), section(".note.ABI-tag"))) = {
+} __abi_tag __attribute__((used, aligned(4), section(".note.ABI-tag"))) = {
 	.header = {
 		.n_namesz = 4,							 /* "FNX" + '\0' */
 		.n_descsz = sizeof(__UINT32_TYPE__) * 4, /* Description Size */
@@ -84,7 +84,7 @@ const struct
 	Elf_Nhdr header;
 	char name[4];
 	__UINT8_TYPE__ desc[20];
-} __build_id __attribute__((aligned(4), section(".note.build-id"))) = {
+} __build_id __attribute__((used, aligned(4), section(".note.build-id"))) = {
 	.header = {
 		.n_namesz = 4,							 /* "FNX" + '\0' */
 		.n_descsz = sizeof(__UINT8_TYPE__) * 20, /* Description Size */
diff --git a/Userspace/libc/runtime/fennix/amd64/crt1.c b/Userspace/libc/runtime/fennix/amd64/crt1.c
index 73c53e3c..f7a35e75 100644
--- a/Userspace/libc/runtime/fennix/amd64/crt1.c
+++ b/Userspace/libc/runtime/fennix/amd64/crt1.c
@@ -90,7 +90,7 @@ const struct
 	Elf_Nhdr header;
 	char name[4];
 	__UINT32_TYPE__ desc[4];
-} __abi_tag __attribute__((aligned(4), section(".note.ABI-tag"))) = {
+} __abi_tag __attribute__((used, aligned(4), section(".note.ABI-tag"))) = {
 	.header = {
 		.n_namesz = 4,							 /* "FNX" + '\0' */
 		.n_descsz = sizeof(__UINT32_TYPE__) * 4, /* Description Size */
diff --git a/Userspace/libc/runtime/linux/x86_64/crt1.c b/Userspace/libc/runtime/linux/x86_64/crt1.c
index 73c53e3c..f7a35e75 100644
--- a/Userspace/libc/runtime/linux/x86_64/crt1.c
+++ b/Userspace/libc/runtime/linux/x86_64/crt1.c
@@ -90,7 +90,7 @@ const struct
 	Elf_Nhdr header;
 	char name[4];
 	__UINT32_TYPE__ desc[4];
-} __abi_tag __attribute__((aligned(4), section(".note.ABI-tag"))) = {
+} __abi_tag __attribute__((used, aligned(4), section(".note.ABI-tag"))) = {
 	.header = {
 		.n_namesz = 4,							 /* "FNX" + '\0' */
 		.n_descsz = sizeof(__UINT32_TYPE__) * 4, /* Description Size */
diff --git a/Userspace/libc/src/main.c b/Userspace/libc/src/main.c
index d8d1161d..8e54bc73 100644
--- a/Userspace/libc/src/main.c
+++ b/Userspace/libc/src/main.c
@@ -67,7 +67,7 @@ const struct
 	Elf_Nhdr header;
 	char name[4];
 	__UINT8_TYPE__ desc[20];
-} __build_id __attribute__((aligned(4), section(".note.build-id"))) = {
+} __build_id __attribute__((used, aligned(4), section(".note.build-id"))) = {
 	.header = {
 		.n_namesz = 4,							 /* "FNX" + '\0' */
 		.n_descsz = sizeof(__UINT8_TYPE__) * 20, /* Description Size */