From 81f4626daa781cb9d1b9300765babe5ff212923e Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 23 Dec 2015 08:21:30 -0500
Subject: mdso_create_implib_sources(): initial implementation.

---
 include/mdso/mdso.h                    |  1 +
 project/common.mk                      |  1 +
 src/logic/mdso_create_implib_sources.c | 83 ++++++++++++++++++++++++++++++++++
 src/mdso.c                             |  4 ++
 4 files changed, 89 insertions(+)
 create mode 100644 src/logic/mdso_create_implib_sources.c

diff --git a/include/mdso/mdso.h b/include/mdso/mdso.h
index 6a217a0..dc599b2 100644
--- a/include/mdso/mdso.h
+++ b/include/mdso/mdso.h
@@ -87,6 +87,7 @@ mdso_api int  mdso_unmap_input		(struct mdso_input *);
 
 /* utility api */
 mdso_api int  mdso_output_export_symbols(const struct mdso_unit_ctx *, const struct mdso_common_ctx *, FILE *);
+mdso_api int  mdso_create_implib_sources(const struct mdso_driver_ctx *);
 
 /* low-level api */
 mdso_api uint32_t mdso_crc32_mbstr	(const unsigned char * str, size_t * symlen);
diff --git a/project/common.mk b/project/common.mk
index ae97c6e..a768e42 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -3,6 +3,7 @@ COMMON_SRCS = \
 	src/crc/mdso_crc32.c \
 	src/driver/mdso_driver_ctx.c \
 	src/driver/mdso_unit_ctx.c \
+	src/logic/mdso_create_implib_sources.c \
 	src/logic/mdso_generate_dsometa.c \
 	src/logic/mdso_generate_symentry.c \
 	src/logic/mdso_generate_symfn.c \
diff --git a/src/logic/mdso_create_implib_sources.c b/src/logic/mdso_create_implib_sources.c
new file mode 100644
index 0000000..7579c51
--- /dev/null
+++ b/src/logic/mdso_create_implib_sources.c
@@ -0,0 +1,83 @@
+/****************************************************************/
+/*  mdso: midipix dso scavenger                                 */
+/*  Copyright (C) 2015  Z. Gilboa                               */
+/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */
+/****************************************************************/
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <mdso/mdso.h>
+
+static void mdso_init_asmname(char * buf, const char * fmt, const char * str)
+{
+	char			hexstr[24];
+	long long unsigned int	crc64;
+
+	if (strlen(str) + strlen(fmt) > (PATH_MAX - 1)) {
+		crc64 = mdso_crc64_mbstr((const unsigned char *)str,0);
+		sprintf(hexstr,"%llx",crc64);
+		sprintf(buf,fmt,hexstr);
+	} else
+		sprintf(buf,fmt,str);
+}
+
+mdso_api int  mdso_create_implib_sources(const struct mdso_driver_ctx * dctx)
+{
+	struct mdso_unit_ctx *	uctx;
+	const char **		unit;
+	FILE *			fout;
+	char			asmname[PATH_MAX];
+	const char * const *	sym;
+	int			ret;
+
+	mdso_init_asmname(asmname,"__%s_dso_meta.s",dctx->cctx->libname);
+
+	if (!(fout = mdso_create_output(dctx,asmname)))
+		return -1;
+
+	ret = mdso_generate_dsometa(dctx->cctx,fout);
+
+	if (fout != stdout)
+		fclose(fout);
+
+	if (ret < 0)
+		return -1;
+
+	for (unit=dctx->units; *unit; unit++) {
+		if (mdso_get_unit_ctx(dctx,*unit,&uctx))
+			return -1;
+
+		for (sym=uctx->syms; *sym; sym++) {
+			mdso_init_asmname(asmname,"__%s_sym_entry.s",*sym);
+
+			if (!(fout = mdso_create_output(dctx,asmname)))
+				return -1;
+
+			ret = mdso_generate_symentry(dctx->cctx,*sym,fout);
+
+			if (fout != stdout)
+				fclose(fout);
+
+			if (ret < 0)
+				return -1;
+
+			mdso_init_asmname(asmname,"__%s_sym_fn.s",*sym);
+
+			if (!(fout = mdso_create_output(dctx,asmname)))
+				return -1;
+
+			ret = mdso_generate_symfn(*sym,fout);
+
+			if (fout != stdout)
+				fclose(fout);
+
+			if (ret < 0)
+				return -1;
+		}
+
+		mdso_free_unit_ctx(uctx);
+	}
+
+	return 0;
+}
diff --git a/src/mdso.c b/src/mdso.c
index 1480325..4c0b667 100644
--- a/src/mdso.c
+++ b/src/mdso.c
@@ -60,6 +60,10 @@ int mdso_main(int argc, const char ** argv, const char ** envp)
 		}
 	}
 
+	dctx->status  =  mdso_create_implib_sources(dctx);
+	dctx->nerrors += !!dctx->status;
+	ret += dctx->nerrors;
+
 	return mdso_exit(dctx,ret);
 }
 
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