From 4e871c9dd0418c4f6d33c83fd3338ad261f7dd3f Mon Sep 17 00:00:00 2001
From: johannst <johannes.stoelp@gmail.com>
Date: Sat, 20 Mar 2021 03:16:23 +0100
Subject: added chapter 03 hello dynld

---
 03_hello_dynld/Makefile | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 03_hello_dynld/Makefile

(limited to '03_hello_dynld/Makefile')

diff --git a/03_hello_dynld/Makefile b/03_hello_dynld/Makefile
new file mode 100644
index 0000000..5764166
--- /dev/null
+++ b/03_hello_dynld/Makefile
@@ -0,0 +1,33 @@
+# Copyright (c) 2021 Johannes Stoelp
+
+COMMON_CFLAGS := -g -O0 -Wall -Wextra \
+                 -I../lib/include -nostdlib
+
+run: main
+	./$<
+
+main: dynld.so main.c ../lib/libcommon.a
+	gcc -o $@                                   \
+	    $(COMMON_CFLAGS)                        \
+	    -Wl,--dynamic-linker=$(CURDIR)/dynld.so \
+	    $(filter %.c %.a, $^)
+
+	readelf -W --dynamic $@
+	readelf -W --string-dump .interp $@
+	readelf -W --program-headers $@
+
+dynld.so: dynld.S dynld.c ../lib/libcommon.a
+	gcc -o $@                          \
+	    $(COMMON_CFLAGS)               \
+	    -fPIC                          \
+	    -fvisibility=hidden            \
+	    -Wl,--entry=dl_start           \
+	    -Wl,--no-allow-shlib-undefined \
+	    $^
+
+../lib/libcommon.a:
+	make -C ../lib
+
+clean:
+	rm -f main
+	rm -f dynld.so
-- 
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