From edeb26171b1ea5a4efdf6ac7b972050e61098293 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Thu, 26 Feb 2026 11:24:28 +0300
Subject: [PATCH] time: fix unexpected freestanding error (fixes #15777)

---
 cmd/tools/vtest-all.v                    |  5 +++++
 vlib/builtin/linux_bare/linux_syscalls.v | 26 ++++++++++++------------
 vlib/time/bare/time_now_example.v        |  6 ++++++
 3 files changed, 24 insertions(+), 13 deletions(-)
 create mode 100644 vlib/time/bare/time_now_example.v

diff --git a/cmd/tools/vtest-all.v b/cmd/tools/vtest-all.v
index 324261635..e1bb2f7df 100644
--- a/cmd/tools/vtest-all.v
+++ b/cmd/tools/vtest-all.v
@@ -298,6 +298,11 @@ fn get_all_commands() []Command {
 			okmsg:  'V can compile & allocate memory with -freestanding on Linux with GCC.'
 			rmfile: 'str_array'
 		}
+		res << Command{
+			line:   '${vexe} -cc gcc -keepc -freestanding -o time_now vlib/time/bare/time_now_example.v'
+			okmsg:  'V can compile time.now() with -freestanding on Linux with GCC.'
+			rmfile: 'time_now'
+		}
 	}
 	////////////////////////////////////////////////////////////////////////
 	// Test compilation of a shared library (.so, .dll. .dylib) with -shared:
diff --git a/vlib/builtin/linux_bare/linux_syscalls.v b/vlib/builtin/linux_bare/linux_syscalls.v
index d15313955..9c53f1bd8 100644
--- a/vlib/builtin/linux_bare/linux_syscalls.v
+++ b/vlib/builtin/linux_bare/linux_syscalls.v
@@ -334,7 +334,7 @@ fn sys_call0(scn u64) u64 {
 	asm amd64 {
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 	}
 	return res
 }
@@ -344,7 +344,7 @@ fn sys_call1(scn u64, arg1 u64) u64 {
 	asm amd64 {
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 		  D (arg1)
 	}
 	return res
@@ -355,7 +355,7 @@ fn sys_call2(scn u64, arg1 u64, arg2 u64) u64 {
 	asm amd64 {
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 		  D (arg1)
 		  S (arg2)
 	}
@@ -367,7 +367,7 @@ fn sys_call3(scn u64, arg1 u64, arg2 u64, arg3 u64) u64 {
 	asm amd64 {
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 		  D (arg1)
 		  S (arg2)
 		  d (arg3)
@@ -381,11 +381,11 @@ fn sys_call4(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64) u64 {
 		mov r10, arg4
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 		  D (arg1)
 		  S (arg2)
 		  d (arg3)
-		  r (arg4)
+		  g (arg4)
 		; r10
 	}
 	return res
@@ -398,12 +398,12 @@ fn sys_call5(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64) u64 {
 		mov r8, arg5
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 		  D (arg1)
 		  S (arg2)
 		  d (arg3)
-		  r (arg4)
-		  r (arg5)
+		  g (arg4)
+		  g (arg5)
 		; r10
 		  r8
 	}
@@ -418,13 +418,13 @@ fn sys_call6(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 i64, arg6 u64
 		mov r9, arg6
 		syscall
 		; =a (res)
-		; a (scn)
+		; 0 (scn)
 		  D (arg1)
 		  S (arg2)
 		  d (arg3)
-		  r (arg4)
-		  r (arg5)
-		  r (arg6)
+		  g (arg4)
+		  g (arg5)
+		  g (arg6)
 		; r10
 		  r8
 		  r9
diff --git a/vlib/time/bare/time_now_example.v b/vlib/time/bare/time_now_example.v
new file mode 100644
index 000000000..8e397561d
--- /dev/null
+++ b/vlib/time/bare/time_now_example.v
@@ -0,0 +1,6 @@
+import time
+
+fn main() {
+	t := time.now()
+	println(t)
+}
-- 
2.39.5