handle /etc/hostname, sethostname(2), gethostname(2) and uname(2)

kernel-src/arch/x86-64/syscall.asm

@@ -62,6 +62,8 @@ extern syscall_sigaltstack
 extern syscall_sigprocmask
 extern syscall_kill
 extern syscall_sigreturn
+extern syscall_uname
+extern syscall_hostname
 syscalltab:
 dq syscall_print
 dq syscall_mmap
@@ -126,7 +128,9 @@ dq syscall_sigaltstack
 dq syscall_sigprocmask
 dq syscall_kill
 dq syscall_sigreturn
-syscallcount equ 63
+dq syscall_uname
+dq syscall_hostname
+syscallcount equ 65
 section .text
 global arch_syscall_entry
 ; on entry:

kernel-src/arch/x86-64/syscalllog.c

@@ -4,7 +4,7 @@
 
 #ifdef SYSCALL_LOGGING
 
-#define SYSCALL_COUNT 63
+#define SYSCALL_COUNT 65
 #define LOGSTR(x) arch_e9_puts(x)
 
 static char *name[] = {
@@ -70,7 +70,9 @@ static char *name[] = {
 	"sigaltstack",
 	"sigprocmask",
 	"kill",
-	"sigreturn"
+	"sigreturn",
+	"uname",
+	"hostname"
 };
 
 static char *args[] = {
@@ -136,7 +138,9 @@ static char *args[] = {
 	"new %p old %p", // sigaltstack
 	"how %d set %p oldset %p", // sigprocmask
 	"pid %d signal %d", // kill
-	"N/A" // sigreturn
+	"N/A", // sigreturn
+	"utsname %p", // uname
+	"new %p newsize %lu old %p oldsize %lu" // hostname
 };
 
 #endif