From b135754fd9f9bc28dcbc99e82f6eaa381d46204e Mon Sep 17 00:00:00 2001
From: sigsegv7 <ian@vegaa.systems>
Date: Thu, 28 Sep 2023 18:30:59 -0400
Subject: kernel/amd64: Add __KERNEL_META for .S files

Signed-off-by: sigsegv7 <ian@vegaa.systems>
---
 sys/arch/amd64/spectre.S | 5 +++++
 sys/arch/amd64/trap.S    | 4 ++++
 sys/include/sys/cdefs.h  | 9 +++++++++
 3 files changed, 18 insertions(+)

(limited to 'sys')

diff --git a/sys/arch/amd64/spectre.S b/sys/arch/amd64/spectre.S
index f91f744..f93c67e 100644
--- a/sys/arch/amd64/spectre.S
+++ b/sys/arch/amd64/spectre.S
@@ -27,6 +27,11 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+ #include <sys/cdefs.h>
+
+__KERNEL_META "$Vega$: spectre.S, Ian Marco Moffett, \
+               Spectre mitigation detection"
+
 .text
 .globl __can_mitigate_spectre
 
diff --git a/sys/arch/amd64/trap.S b/sys/arch/amd64/trap.S
index d10c0b3..8c428de 100644
--- a/sys/arch/amd64/trap.S
+++ b/sys/arch/amd64/trap.S
@@ -29,6 +29,10 @@
 
 #include <machine/frame.h>
 #include <machine/trap.h>
+#include <sys/cdefs.h>
+
+__KERNEL_META "$Vega$: trap.S, Ian Marco Moffett, \
+               Trap handling routines"
 
 .text
 .globl breakpoint_handler
diff --git a/sys/include/sys/cdefs.h b/sys/include/sys/cdefs.h
index bec4431..a17c4ef 100644
--- a/sys/include/sys/cdefs.h
+++ b/sys/include/sys/cdefs.h
@@ -144,5 +144,14 @@
 #define __MODULE_NAME(name) \
     __used static const char *__THIS_MODULE = name
 
+#else
+
+.macro __KERNEL_META meta_str
+    .section .meta.note
+    .align 4
+    .string "\meta_str"
+    .previous
+.endm
+
 #endif  /* !defined(__ASSEMBLER__) */
 #endif  /* !_SYS_CDEFS_H_ */
-- 
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