1 files changed, 79 insertions, 0 deletions
diff --git a/example/asm_arm.py b/example/asm_arm.py
new file mode 100644
index 00000000..a848f22b
--- /dev/null
+++ b/example/asm_arm.py
@@ -0,0 +1,79 @@
+#! /usr/bin/env python
+
+from miasm2.core.cpu import parse_ast
+from miasm2.arch.arm.arch import mn_arm, base_expr, variable
+from miasm2.core import parse_asm
+from miasm2.expression.expression import *
+from miasm2.core import asmbloc
+from elfesteem.strpatchwork import StrPatchwork
+
+my_mn = mn_arm
+
+reg_and_id = dict(mn_arm.regs.all_regs_ids_byname)
+
+
+def my_ast_int2expr(a):
+    return ExprInt32(a)
+
+
+def my_ast_id2expr(t):
+    return reg_and_id.get(t, ExprId(t, size=32))
+
+my_var_parser = parse_ast(my_ast_id2expr, my_ast_int2expr)
+base_expr.setParseAction(my_var_parser)
+
+blocs, symbol_pool = parse_asm.parse_txt(my_mn, "arm", '''
+main:
+  STMFD  SP!, {R4, R5, LR}
+  MOV    R0, mystr & 0xffff
+  ORR    R0, R0, mystr & 0xffff0000
+  MOV    R1, mystrend & 0xffff
+  ORR    R1, R1, mystrend & 0xffff0000
+xxx:
+  LDR    R2, [PC, key-(xxx+8)]
+loop:
+  LDRB   R3, [R0]
+  EOR    R3, R3, R2
+  STRB   R3, [R0], 1
+  CMP    R0, R1
+  BNE    loop
+  EOR    R0, R0, R0
+  BNE    end
+  EOR    R1, R1, R1
+  EOR    R2, R2, R2
+  EORGE  R1, R1, R1
+  EORGE  R2, R2, R2
+  ADDLTS R2, R2, R2
+  SUBEQ  R2, R2, R2
+end:
+  LDMFD  SP!, {R4, R5, PC}
+key:
+.long 0x11223344
+mystr:
+.string "test string"
+mystrend:
+.long 0
+''')
+
+# fix shellcode addr
+symbol_pool.set_offset(symbol_pool.getby_name("main"), 0x0)
+
+for b in blocs[0]:
+    print b
+# graph sc####
+g = asmbloc.bloc2graph(blocs[0])
+open("graph.txt", "w").write(g)
+
+s = StrPatchwork()
+
+print "symbols"
+print symbol_pool
+# dont erase from start to shell code padading
+resolved_b, patches = asmbloc.asm_resolve_final(
+    my_mn, 'arm', blocs[0], symbol_pool)
+print patches
+
+for offset, raw in patches.items():
+    s[offset] = raw
+
+open('demo_arm.bin', 'wb').write(str(s))