3 files changed, 40 insertions, 0 deletions
diff --git a/shellcode/Makefile b/shellcode/Makefile
new file mode 100644
index 0000000..c35111d
--- /dev/null
+++ b/shellcode/Makefile
@@ -0,0 +1,20 @@
+RM := rm
+CC := gcc
+LD := ld
+OBJCOPY := objcopy
+CFLAGS = -c -Wall -fpic -Os
+LDFLAGS =
+SUBDIR ?= .
+TARGETS = $(patsubst %.c,%.o,$(wildcard $(SUBDIR)/*.c))
+
+all: $(TARGETS)
+
+%.o : %.c
+	$(CC) $(CFLAGS) -o $@ $<
+	$(LD) $(LDFLAGS) -N -Ttext 0x0 -e _start -Map $(patsubst %.o,%.map,$@) $@ -o $(patsubst %.o,%,$@)
+	$(OBJCOPY) -R .note -R .comment -S -O binary $(patsubst %.o,%,$@) $(patsubst %.o,%.bin,$@)
+
+clean:
+	$(RM) -f $(patsubst %.o,%.map,$(TARGETS)) $(patsubst %.o,%.bin,$(TARGETS)) $(patsubst %.o,%,$(TARGETS)) $(TARGETS)
+
+.PHONY: all clean
diff --git a/shellcode/simple.c b/shellcode/simple.c
new file mode 100644
index 0000000..bf2bf43
--- /dev/null
+++ b/shellcode/simple.c
@@ -0,0 +1,11 @@
+/*
+ * gcc -c -Wall -fpic -Os shellcode.c -o shellcode.o
+ * ld -N -Ttext 0x0 -e _start -Map shellcode.map shellcode.o -o shellcode
+ * objcopy -R .note -R .comment -S -O binary shellcode shellcode.bin
+ */
+
+int _start(void) {
+  while (1) {
+  }
+  return (0);
+}
diff --git a/shellcode/simple2.c b/shellcode/simple2.c
new file mode 100644
index 0000000..341b2de
--- /dev/null
+++ b/shellcode/simple2.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int _start(void) {
+  while (1) {
+    //printf("Shellcode!\n");
+  }
+  return (0);
+}