From: Benoît Canet <[email protected]>
Committer: Nadav Har'El <[email protected]>
Branch: master
go: Add missing syscalls for running hello world.
Signed-off-by: Benoît Canet <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Nadav Har'El <[email protected]>
---
diff --git a/linux.cc b/linux.cc
--- a/linux.cc
+++ b/linux.cc
@@ -24,6 +24,10 @@
#include <sys/socket.h>
#include <sys/utsname.h>
#include <sys/mman.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <sys/select.h>
+#include <sys/mman.h>
#include <unordered_map>
@@ -297,9 +301,19 @@ int rt_sigprocmask(int how, sigset_t * nset, sigset_t
* oset, size_t sigsetsize)
return sigprocmask(how, nset, oset);
}
+#define __NR_sys_exit __NR_exit
+
+static int sys_exit(int ret)
+{
+ exit(ret);
+ return 0;
+}
+
long syscall(long number, ...)
{
switch (number) {
+ SYSCALL2(open, const char *, int);
+ SYSCALL3(read, int, char *, size_t);
SYSCALL1(uname, struct utsname *);
SYSCALL3(write, int, const void *, size_t);
SYSCALL0(gettid);
@@ -319,6 +333,12 @@ long syscall(long number, ...)
SYSCALL2(munmap, void *, size_t);
SYSCALL4(rt_sigaction, int, const struct k_sigaction *, struct
k_sigaction *, size_t);
SYSCALL4(rt_sigprocmask, int, sigset_t *, sigset_t *, size_t);
+ SYSCALL1(sys_exit, int);
+ SYSCALL2(sigaltstack, const stack_t *, stack_t *);
+ SYSCALL5(select, int, fd_set *, fd_set *, fd_set *, struct timeval *);
+ SYSCALL3(madvise, void *, size_t, int);
+ SYSCALL0(sched_yield);
+ SYSCALL3(mincore, void *, size_t, unsigned char *);
}
debug_always("syscall(): unimplemented system call %d\n", number);
--
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