1 files changed, 47 insertions, 0 deletions
diff --git a/src/helper/mdso_create_asm_source.c b/src/helper/mdso_create_asm_source.c
new file mode 100644
index 0000000..0d02c12
--- /dev/null
+++ b/src/helper/mdso_create_asm_source.c
@@ -0,0 +1,47 @@
+/****************************************************************/
+/*  mdso: midipix dso scavenger                                 */
+/*  Copyright (C) 2015--2016  Z. Gilboa                         */
+/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
+/****************************************************************/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <mdso/mdso.h>
+#include "mdso_driver_impl.h"
+#include "mdso_errinfo_impl.h"
+
+FILE * mdso_create_asm_source(
+	const struct mdso_driver_ctx *	dctx,
+	const char *			asmname)
+{
+	struct mdso_driver_ctx_impl *	ictx;
+	uintptr_t			addr;
+	int				fdout;
+	FILE *				fout;
+
+	if (!dctx->cctx->dstdir)
+		return stdout;
+
+	addr = (uintptr_t)dctx - offsetof(struct mdso_driver_ctx_impl,ctx);
+	ictx = (struct mdso_driver_ctx_impl *)addr;
+
+	if ((fdout = openat(ictx->fddst,asmname,
+                        O_CREAT|O_TRUNC|O_WRONLY|O_NOCTTY|O_NOFOLLOW,
+                        S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) {
+		MDSO_SYSTEM_ERROR(dctx);
+		return 0;
+	}
+
+	if (!(fout = fdopen(fdout,"w"))) {
+		close(fdout);
+		MDSO_SYSTEM_ERROR(dctx);
+		return 0;
+	}
+
+	return fout;
+}