lib/vfscore: Register `fchdir` to syscall_shim

Registers `fchdir` system call to syscall_shim library.

Signed-off-by: Constantin Raducanu <raducanu.costi@gmail.com>
Reviewed-by: Daniel Dinca <dincadaniel97@gmail.com>

diff --git a/lib/vfscore/Makefile.uk b/lib/vfscore/Makefile.uk
index 28944c3476432e2752cd327cf3bf09176b34d584..1743e6267a4a575142d88b274ee0c8d402359f5f 100644 (file)
--- a/lib/vfscore/Makefile.uk
+++ b/lib/vfscore/Makefile.uk
@@ -38,5 +38,6 @@ UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += access-2
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += faccessat-4
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fallocate-4
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += chdir-1
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fchdir-1
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += chmod-2
 UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += fchmod-2

diff --git a/lib/vfscore/exportsyms.uk b/lib/vfscore/exportsyms.uk
index 64ca3f6278f37f87994163a4e4b2fd9bea5e0f1d..583a75edff5f847ad7c91fa5b8c8066addf669af 100644 (file)
--- a/lib/vfscore/exportsyms.uk
+++ b/lib/vfscore/exportsyms.uk
@@ -91,6 +91,8 @@ telldir
 seekdir
 rmdir
 fchdir
+uk_syscall_e_fchdir
+uk_syscall_r_fchdir
 symlink
 statvfs
 fstatvfs

diff --git a/lib/vfscore/main.c b/lib/vfscore/main.c
index 8d074fe0015f7b55311036a204cd39e0aa96ee81..c6e446a26fa5e575daf46bd214f63384a788bb56 100644 (file)
--- a/lib/vfscore/main.c
+++ b/lib/vfscore/main.c
@@ -1040,7 +1040,7 @@ UK_TRACEPOINT(trace_vfs_fchdir, "%d", int);
 UK_TRACEPOINT(trace_vfs_fchdir_ret, "");
 UK_TRACEPOINT(trace_vfs_fchdir_err, "%d", int);
 
-int fchdir(int fd)
+UK_SYSCALL_R_DEFINE(int, fchdir, int, fd)
 {
        trace_vfs_fchdir(fd);
        struct task *t = main_task;
@@ -1049,21 +1049,20 @@ int fchdir(int fd)
 
        error = fget(fd, &fp);
        if (error)
-               goto out_errno;
+               goto out_error;
 
        error = __do_fchdir(fp, t);
        if (error) {
                fdrop(fp);
-               goto out_errno;
+               goto out_error;
        }
 
        trace_vfs_fchdir_ret();
        return 0;
 
-       out_errno:
+       out_error:
        trace_vfs_fchdir_err(error);
-       errno = error;
-       return -1;
+       return -error;
 }
 
 UK_TRACEPOINT(trace_vfs_link, "\"%s\" \"%s\"", const char*, const char*);