1 files changed, 82 insertions, 0 deletions
diff --git a/example/asm/arm.py b/example/asm/arm.py
new file mode 100644
index 00000000..28af59fb
--- /dev/null
+++ b/example/asm/arm.py
@@ -0,0 +1,82 @@
+#! /usr/bin/env python
+from elfesteem.strpatchwork import StrPatchwork
+
+from miasm2.core.cpu import parse_ast
+from miasm2.arch.arm.arch import mn_arm, base_expr
+from miasm2.core import parse_asm
+import miasm2.expression.expression as m2_expr
+from miasm2.core import asmbloc
+
+my_mn = mn_arm
+
+reg_and_id = dict(mn_arm.regs.all_regs_ids_byname)
+
+
+def my_ast_int2expr(a):
+    return m2_expr.ExprInt32(a)
+
+
+def my_ast_id2expr(t):
+    return reg_and_id.get(t, m2_expr.ExprId(t, size=32))
+
+my_var_parser = parse_ast(my_ast_id2expr, my_ast_int2expr)
+base_expr.setParseAction(my_var_parser)
+
+txt = '''
+main:
+  STMFD  SP!, {R4, R5, LR}
+  MOV    R0, mystr & 0xffff
+  ORR    R0, R0, mystr & 0xffff0000
+  MOV    R4, R0
+  MOV    R1, mystrend & 0xffff
+  ORR    R1, R1, mystrend & 0xffff0000
+xxx:
+  LDRB    R2, [PC, key-$]
+loop:
+  LDRB   R3, [R0]
+  EOR    R3, R3, R2
+  STRB   R3, [R0], 1
+  CMP    R0, R1
+  BNE    loop
+end:
+  MOV    R0, R4
+  LDMFD  SP!, {R4, R5, PC}
+key:
+.byte 0x11
+mystr:
+.string "test string"
+mystrend:
+.long 0
+'''
+
+blocs_b, symbol_pool_b = parse_asm.parse_txt(my_mn, "b", txt)
+blocs_l, symbol_pool_l = parse_asm.parse_txt(my_mn, "l", txt)
+
+
+# fix shellcode addr
+symbol_pool_b.set_offset(symbol_pool_b.getby_name("main"), 0x0)
+symbol_pool_l.set_offset(symbol_pool_l.getby_name("main"), 0x0)
+
+# graph sc####
+g = asmbloc.bloc2graph(blocs_l[0])
+open("graph.txt", "w").write(g)
+
+s_b = StrPatchwork()
+s_l = StrPatchwork()
+
+print "symbols"
+print symbol_pool_l
+# dont erase from start to shell code padading
+resolved_b, patches_b = asmbloc.asm_resolve_final(
+    my_mn, blocs_b[0], symbol_pool_b)
+resolved_l, patches_l = asmbloc.asm_resolve_final(
+    my_mn, blocs_l[0], symbol_pool_l)
+print patches_b
+
+for offset, raw in patches_b.items():
+    s_b[offset] = raw
+for offset, raw in patches_l.items():
+    s_l[offset] = raw
+
+open('demo_arm_b.bin', 'w').write(str(s_b))
+open('demo_arm_l.bin', 'w').write(str(s_l))