From 7669d1e334e6b96455eece78da43bf830b93d697 Mon Sep 17 00:00:00 2001
From: Richard Pennington <rich@pennware.com>
Date: Fri, 9 Nov 2012 23:32:57 +0100
Subject: import preliminary ppc work by rdp.

---
 src/signal/ppc/restore.S   | 13 +++++++++++++
 src/signal/ppc/sigsetjmp.S | 12 ++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 src/signal/ppc/restore.S
 create mode 100644 src/signal/ppc/sigsetjmp.S

(limited to 'src/signal')

diff --git a/src/signal/ppc/restore.S b/src/signal/ppc/restore.S
new file mode 100644
index 00000000..50887e91
--- /dev/null
+++ b/src/signal/ppc/restore.S
@@ -0,0 +1,13 @@
+#include <bits/asm.h>
+#include <bits/syscall.h>
+        .global __restore
+        .type __restore,@function
+__restore:
+        li      r0, __NR_sigreturn
+        sc
+
+        .global __restore_rt
+        .type __restore_rt,@function
+__restore_rt:
+        li      r0, __NR_rt_sigreturn
+        sc
diff --git a/src/signal/ppc/sigsetjmp.S b/src/signal/ppc/sigsetjmp.S
new file mode 100644
index 00000000..527ef8e4
--- /dev/null
+++ b/src/signal/ppc/sigsetjmp.S
@@ -0,0 +1,12 @@
+#include <bits/asm.h>
+        .global sigsetjmp
+        .type sigsetjmp,@function
+sigsetjmp:
+        lwz     r4, 64*4-2*4(r3)        // Second last long.
+        cmpi    r4, 0, r4, 0
+        bne     r4, 1f
+        addi    r5, r3, 64*4-1*4        // Address of last long.
+        li      r4, 0
+        li      r3, 2
+        bl      sigprocmask
+1:      b       setjmp
-- 
cgit v1.2.1