From dcbb04208421d519f9ffcd73300f4247f498881a Mon Sep 17 00:00:00 2001
From: Marco Schlumpp <marco@unikraft.io>
Date: Wed, 1 Feb 2023 14:39:22 +0100
Subject: [PATCH] lib/syscall_shim: Add `syscall` alias to `uk_syscall`

The symbol is required for binaries that were compiled against a Linux
musl and use musl's system call wrapper.

Signed-off-by: Marco Schlumpp <marco@unikraft.io>
Reviewed-by: Stefan Jumarea <stefanjumarea02@gmail.com>
Reviewed-by: Razvan Virtan <virtanrazvan@gmail.com>
Approved-by: Razvan Deaconescu <razvand@unikraft.io>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #755
---
 lib/syscall_shim/uk_syscall.awk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/syscall_shim/uk_syscall.awk b/lib/syscall_shim/uk_syscall.awk
index a4af266bd..67c3f6f35 100644
--- a/lib/syscall_shim/uk_syscall.awk
+++ b/lib/syscall_shim/uk_syscall.awk
@@ -56,4 +56,5 @@ END {
 	printf "\tva_end(ap);\n"
 	printf "\treturn ret;\n"
 	printf "}\n"
+	printf "long syscall() __attribute__ ((weak, alias (\"uk_syscall\")));\n"
 }
-- 
2.39.5