Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 54 insertions, 0 deletions

diff --git a/nx-X11/util/memleak/getreti386.c b/nx-X11/util/memleak/getreti386.c
new file mode 100644
index 000000000..80038b7cc
--- /dev/null
+++ b/nx-X11/util/memleak/getreti386.c
@@ -0,0 +1,54 @@
+/*
+ * some bits copied from mprof by Ben Zorn
+ *
+ * Copyright (c) 1995 Jeffrey Hsu
+ */
+
+/* $XFree86: xc/util/memleak/getreti386.c,v 3.2 1996/10/16 14:46:28 dawes Exp $ */
+
+#define get_current_fp(first_local)	((unsigned)&(first_local) + 4)
+#define prev_fp_from_fp(fp)		*((unsigned *) fp)
+#define ret_addr_from_fp(fp)		*((unsigned *) (fp+4))
+
+#ifdef __FreeBSD__
+#define CRT0_ADDRESS		0x10d3
+#endif
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+#define CRT0_ADDRESS            0x109a
+#endif
+#ifdef linux
+#define CRT0_ADDRESS		0x80482fc
+#endif
+
+static unsigned long
+junk (int *foo)
+{
+    return (unsigned long) foo + 4;
+}
+
+void
+getStackTrace(unsigned long *results, int max)
+{
+
+	int first_local;
+	unsigned long fp, ret_addr;
+
+	first_local = 0;
+	fp = junk(&first_local);
+	fp = get_current_fp(first_local);
+	ret_addr = ret_addr_from_fp(fp);
+
+	while (ret_addr > CRT0_ADDRESS && max-- > 1) {
+	  *results++ = ret_addr;
+	  if (fp < (unsigned long) &first_local)
+	    break;
+	  fp = prev_fp_from_fp(fp);
+	  if (!fp)
+	    break;
+	  if (fp < (unsigned long) &first_local)
+	    break;
+	  ret_addr = ret_addr_from_fp(fp);
+	}
+        *results++ = 0;
+
+}