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-rw-r--r--include/mdso/mdso.h1
-rw-r--r--project/common.mk1
-rw-r--r--src/output/mdso_create_output.c37
3 files changed, 39 insertions, 0 deletions
diff --git a/include/mdso/mdso.h b/include/mdso/mdso.h
index 7f68021..f809813 100644
--- a/include/mdso/mdso.h
+++ b/include/mdso/mdso.h
@@ -89,6 +89,7 @@ mdso_api int mdso_output_export_symbols(const struct mdso_unit_ctx *, const str
/* low-level api */
mdso_api uint32_t mdso_crc32_mbstr (const unsigned char * str, size_t * symlen);
mdso_api uint64_t mdso_crc64_mbstr (const unsigned char * str, size_t * symlen);
+mdso_api FILE * mdso_create_output (const struct mdso_driver_ctx *, const char * asmname);
#ifdef __cplusplus
}
diff --git a/project/common.mk b/project/common.mk
index 12c02e4..2d7fad1 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -4,6 +4,7 @@ COMMON_SRCS = \
src/driver/mdso_driver_ctx.c \
src/driver/mdso_unit_ctx.c \
src/logic/mdso_map_input.c \
+ src/output/mdso_create_output.c \
src/output/mdso_output_export_symbols.c \
src/skin/mdso_skin_default.c \
diff --git a/src/output/mdso_create_output.c b/src/output/mdso_create_output.c
new file mode 100644
index 0000000..3ecde61
--- /dev/null
+++ b/src/output/mdso_create_output.c
@@ -0,0 +1,37 @@
+/****************************************************************/
+/* mdso: midipix dso scavenger */
+/* Copyright (C) 2015 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"
+
+FILE * mdso_create_output(
+ const struct mdso_driver_ctx * dctx,
+ const char * asmname)
+{
+ struct mdso_driver_ctx_impl * ictx;
+ uintptr_t addr;
+ int fdout;
+
+ 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)
+ return 0;
+
+ return fdopen(fdout,"w");
+}