[Minios-devel] [UNIKRAFT/LIBGO PATCH] Remove runtime/go-nosys.c from build

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

Removes runtime/go-nosys.c because it causes multiple symbol
definitions. Missing symbols that were covered by this file are added
as stub to glue.c.

Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
 Makefile.uk |   1 -
 glue.c      | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 141 insertions(+), 1 deletion(-)

diff --git a/Makefile.uk b/Makefile.uk
index 29c1b90..9c7e925 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -117,7 +117,6 @@ LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-memequal.c
 LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-memmove.c
 LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-nanotime.c
 LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-new.c
-LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-nosys.c
 LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-now.c
 LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-reflect-call.c
 LIBGO_SRCS-y += $(LIBGO_EXTRACTED)/runtime/go-runtime-error.c
diff --git a/glue.c b/glue.c
index 114fa7d..d8dd695 100644
--- a/glue.c
+++ b/glue.c
@@ -52,6 +52,12 @@ int epoll_create(int size __unused)
        return 0;
 }
 
+int epoll_create1(int flags)
+{
+       errno = ENFILE;
+       return -1;
+}
+
 int epoll_ctl(int epfd __unused, int op __unused, int fd __unused, struct 
epoll_event *event __unused)
 {
        return 0;
@@ -121,6 +127,23 @@ ssize_t sendfile64(int out_fd __unused, int in_fd 
__unused, off_t *offset  __unu
        return 1;
 }
 
+typedef void loff_t;
+ssize_t splice(int fd_in __unused, loff_t *off_in __unused, int fd_out 
__unused,
+              loff_t *off_out __unused, size_t len __unused,
+              unsigned int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int sync_file_range(int fd __unused, off64_t offset __unused,
+                   off64_t nbytes __unused, unsigned int flags __unused)
+{
+       errno = EIO;
+       return -1;
+}
+
+struct group;
 int getgrouplist(const char *user __unused, gid_t group __unused, gid_t 
*groups __unused, int *ngroups __unused)
 {
        return 0;
@@ -132,6 +155,124 @@ int getgrgid_r(gid_t gid __unused, struct group *grp 
__unused,
        return 0;
 }
 
+int unshare(int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+ssize_t tee(int fd_in __unused, int fd_out __unused, size_t len __unused,
+           unsigned int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+typedef void socklen_t;
+struct sockaddr;
+int accept4(int sockfd __unused, struct sockaddr *addr __unused,
+           socklen_t *addrlen __unused, int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int fchmodat(int dirfd __unused, const char *pathname __unused,
+            mode_t mode __unused, int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int fchownat(int dirfd __unused, const char *pathname __unused,
+             uid_t owner __unused, gid_t group __unused,
+            int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int mkdirat(int dirfd __unused, const char *pathname __unused,
+           mode_t mode __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int mknodat(int dirfd __unused, const char *pathname __unused,
+           mode_t mode __unused, dev_t dev __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int renameat(int olddirfd __unused, const char *oldpath __unused,
+             int newdirfd __unused, const char *newpath __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int unlinkat(int dirfd __unused, const char *pathname __unused,
+            int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+ssize_t getxattr(const char *path __unused, const char *name __unused,
+                 void *value __unused, size_t size __unused)
+{
+       errno = ENOTSUP;
+       return -1;
+}
+
+int setxattr(const char *path __unused, const char *name __unused,
+            const void *value __unused, size_t size __unused,
+            int flags __unused)
+{
+       errno = ENOTSUP;
+       return -1;
+}
+
+int removexattr(const char *path __unused, const char *name __unused)
+{
+       errno = ENOTSUP;
+       return -1;
+}
+
+ssize_t listxattr(const char *path __unused, char *list __unused,
+                 size_t size __unused)
+{
+       errno = ENOTSUP;
+       return -1;
+}
+
+int inotify_init(void __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int inotify_init1(int flags __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int inotify_rm_watch(int fd __unused, int wd __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
+int inotify_add_watch(int fd __unused, const char *pathname __unused,
+                     uint32_t mask __unused)
+{
+       errno = ENOSYS;
+       return -1;
+}
+
 /*
  * Glue code
  */
-- 
2.20.1


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