lib/vfscore: Register `chroot` to syscall_shim

Register `chroot` system call to syscall_shim library.

Signed-off-by: Sergiu Moga <sergiu.moga@protonmail.com>
Reviewed-by: Laurentiu Barbulescu <lrbarbulescu@gmail.com>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Pull-Request: #158

diff --git a/lib/vfscore/Makefile.uk b/lib/vfscore/Makefile.uk
index c040a119de4b13f5881e1ad4cd13e069932ca7be..ec8965f564f5dd1f24b098f904de27419fe32ce0 100644 (file)
--- a/lib/vfscore/Makefile.uk
+++ b/lib/vfscore/Makefile.uk
@@ -71,3 +71,4 @@ UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += umount2-2
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += pipe2-2
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += symlink-2
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += unlink-1
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += chroot-1

diff --git a/lib/vfscore/exportsyms.uk b/lib/vfscore/exportsyms.uk
index 2a27409b67cc53c67819f09b0ade8f35bcef68fc..758e501352f1f439891ec8264af90a439297c90d 100644 (file)
--- a/lib/vfscore/exportsyms.uk
+++ b/lib/vfscore/exportsyms.uk
@@ -83,6 +83,8 @@ chown
 uk_syscall_e_chown
 uk_syscall_r_chown
 chroot
+uk_syscall_e_chroot
+uk_syscall_r_chroot
 chdir
 uk_syscall_e_chdir
 uk_syscall_r_chdir

diff --git a/lib/vfscore/main.c b/lib/vfscore/main.c
index f3798138955e788d6f9b5a529a654190c8809733..9386b8025459c57326e831ed787baf410a4b3478 100644 (file)
--- a/lib/vfscore/main.c
+++ b/lib/vfscore/main.c
@@ -2354,11 +2354,10 @@ fs_noop(void)
        return 0;
 }
 
-int chroot(const char *path __unused)
+UK_SYSCALL_R_DEFINE(int, chroot, const char*, path)
 {
        UK_WARN_STUBBED();
-       errno = ENOSYS;
-       return -1;
+       return -ENOSYS;
 }
 
 static struct task _main_task_impl;