Add correct handling of more systemcalls. either not implemented before

or poorly implemented.

6 files changed, 47 insertions, 6 deletions

diff --git a/lib/libc/arch/powerpc/sys/exect.S b/lib/libc/arch/powerpc/sys/exect.S
index 31307cc3f2e..46108f9d7b3 100644
--- a/lib/libc/arch/powerpc/sys/exect.S
+++ b/lib/libc/arch/powerpc/sys/exect.S
@@ -1 +1,22 @@
-/* rubbish */
+/*
+ * COPYRIGHT
+ */
+#if defined(SYSLIBC_SCCS)
+	.text
+	.asciz "$OpenBSD: exect.S,v 1.2 1998/08/07 01:44:01 rahnds Exp $"
+#endif /* SYSLIBC_SCCS */
+
+#include "SYS.h"
+
+	.text
+PSEUDO_PREFIX(exect,execve)
+	sc
+
+	/* check for error */
+	cmpwi 0, 0
+	beq+ exect_ok		/* OK so this is stupid but I haven't read b */
+	b cerror
+
+	/* update, curbrk and return */
+exect_ok:
+	blr
diff --git a/lib/libc/arch/powerpc/sys/ptrace.S b/lib/libc/arch/powerpc/sys/ptrace.S
index 31307cc3f2e..93627bd0f11 100644
--- a/lib/libc/arch/powerpc/sys/ptrace.S
+++ b/lib/libc/arch/powerpc/sys/ptrace.S
@@ -1 +1,12 @@
-/* rubbish */
+/* int ptrace(int *mask) */
+
+#include "SYS.h"
+
+	.text
+PREFIX(ptrace)
+	sc
+	cmpwi 0, 0
+ 	beq ok
+ 	b cerror
+ok:
+	blr
diff --git a/lib/libc/arch/powerpc/sys/reboot.S b/lib/libc/arch/powerpc/sys/reboot.S
index 8063167c8d4..09a34c91815 100644
--- a/lib/libc/arch/powerpc/sys/reboot.S
+++ b/lib/libc/arch/powerpc/sys/reboot.S
@@ -1,3 +1,2 @@
-/* rubbish */
 #include <SYS.h>
 RSYSCALL(reboot)
diff --git a/lib/libc/arch/powerpc/sys/setlogin.S b/lib/libc/arch/powerpc/sys/setlogin.S
index 793c846e047..8f8ea689bc0 100644
--- a/lib/libc/arch/powerpc/sys/setlogin.S
+++ b/lib/libc/arch/powerpc/sys/setlogin.S
@@ -1,4 +1,3 @@
-/* rubbish */
 #include "SYS.h"
 	.extern __logname_valid
 RSYSCALL(setlogin)
diff --git a/lib/libc/arch/powerpc/sys/sigpending.S b/lib/libc/arch/powerpc/sys/sigpending.S
index 31307cc3f2e..5b445d2c299 100644
--- a/lib/libc/arch/powerpc/sys/sigpending.S
+++ b/lib/libc/arch/powerpc/sys/sigpending.S
@@ -1 +1,11 @@
-/* rubbish */
+/*
+ * COPYRIGHT
+ */
+#if defined(SYSLIBC_SCCS)
+	.text
+	.asciz "$OpenBSD: sigpending.S,v 1.2 1998/08/07 01:44:06 rahnds Exp $"
+#endif /* SYSLIBC_SCCS */
+
+#include "SYS.h"
+
+RSYSCALL(sigpending)
diff --git a/lib/libc/arch/powerpc/sys/sigreturn.S b/lib/libc/arch/powerpc/sys/sigreturn.S
index 31307cc3f2e..2a75ad341f2 100644
--- a/lib/libc/arch/powerpc/sys/sigreturn.S
+++ b/lib/libc/arch/powerpc/sys/sigreturn.S
@@ -1 +1,2 @@
-/* rubbish */
+#include <SYS.h>
+RSYSCALL(sigreturn)