Initial file dump from open source releaseHEADmaster

1 files changed, 29 insertions, 0 deletions

diff --git a/arch/um/sys-ppc/ptrace_user.c b/arch/um/sys-ppc/ptrace_user.c
new file mode 100644
index 00000000..4601b929
--- /dev/null
+++ b/arch/um/sys-ppc/ptrace_user.c
@@ -0,0 +1,29 @@
+#include <errno.h>
+#include <asm/ptrace.h>
+#include <sysdep/ptrace.h>
+
+int ptrace_getregs(long pid, unsigned long *regs_out)
+{
+    int i;
+    for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
+	errno = 0;
+	regs_out->regs[i] = ptrace(PTRACE_PEEKUSR, pid, i*4, 0);
+	if (errno) {
+	    return -errno;
+	}
+    }
+    return 0;
+}
+
+int ptrace_setregs(long pid, unsigned long *regs_in)
+{
+    int i;
+    for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) {
+	if (i != 34 /* FIXME: PT_ORIG_R3 */ && i <= PT_MQ) {
+	    if (ptrace(PTRACE_POKEUSR, pid, i*4, regs_in->regs[i]) < 0) {
+		return -errno;
+	    }
+	}
+    }
+    return 0;
+}