项目源码：Github
基本上可以解析 dex 里面大部分指令，不过 odex 的指令还不支持（其实是好久之前撸的了，最近才开源出来，发现 odex 的指令基本都更新过了，之前这部分解析失效了，暂时懒的支持了 = =）
项目编译基于xmake，安装后只需要执行 xmake 即可完成编译
$ xmake
$ xmake run dexdump tests/tests.dex
.file _cast.java
.class _cast
.super Object
.method public void <init>()
.register 1
.argument 1
.catches 0
.prologue
0x000b0c: 7010 4e00 0000 |0000: invoke-direct {v0}, Object.<init>()void
0x000b12: 0e00 |0003: return-void
.method public int main(java.lang.String[])
.register 7
.argument 1
.catches 0
.prologue
0x000b24: 6200 0500 |0000: sget-object v0, System.out:PrintStream
0x000b28: 1a01 a800 |0002: const-string v1, "test: ==============================================================="
0x000b2c: 6e20 4800 1000 |0004: invoke-virtual {v0, v1}, PrintStream.println(String)void
0x000b32: 6200 0500 |0007: sget-object v0, System.out:PrintStream
0x000b36: 1a01 a900 |0009: const-string v1, "test: cast: .."
0x000b3a: 6e20 4800 1000 |000b: invoke-virtual {v0, v1}, PrintStream.println(String)void
0x000b40: 6200 0500 |000e: sget-object v0, System.out:PrintStream
0x000b44: 1a01 0000 |0010: const-string v1, ""
0x000b48: 6e20 4800 1000 |0012: invoke-virtual {v0, v1}, PrintStream.println(String)void
0x000b4e: 12f0 |0015: const/4 v0, #-1 // #ff
0x000b50: 8102 |0016: int-to-long v2, v0
0x000b52: 6201 0500 |0017: sget-object v1, System.out:PrintStream
0x000b56: 2204 2400 |0019: new-instance v4, StringBuilder
0x000b5a: 7010 5100 0400 |001b: invoke-direct {v4}, StringBuilder.<init>()void
0x000b60: 1a05 9d00 |001e: const-string v5, "num = "
0x000b64: 6e20 5600 5400 |0020: invoke-virtual {v4, v5}, StringBuilder.append(String)StringBuilder
0x000b6a: 0c04 |0023: move-result-object v4
0x000b6c: 6e30 5500 2403 |0024: invoke-virtual {v4, v2, v3}, StringBuilder.append(long)StringBuilder
0x000b72: 0c02 |0027: move-result-object v2
0x000b74: 6e10 5700 0200 |0028: invoke-virtual {v2}, StringBuilder.toString()String
0x000b7a: 0c02 |002b: move-result-object v2
0x000b7c: 6e20 4800 2100 |002c: invoke-virtual {v1, v2}, PrintStream.println(String)void
0x000b82: 8f01 |002f: int-to-short v1, v0
0x000b84: 6202 0500 |0030: sget-object v2, System.out:PrintStream
0x000b88: 2203 2400 |0032: new-instance v3, StringBuilder
0x000b8c: 7010 5100 0300 |0034: invoke-direct {v3}, StringBuilder.<init>()void
0x000b92: 1a04 9d00 |0037: const-string v4, "num = "
0x000b96: 6e20 5600 4300 |0039: invoke-virtual {v3, v4}, StringBuilder.append(String)StringBuilder
0x000b9c: 0c03 |003c: move-result-object v3
0x000b9e: 6e20 5400 1300 |003d: invoke-virtual {v3, v1}, StringBuilder.append(int)StringBuilder
0x000ba4: 0c01 |0040: move-result-object v1
0x000ba6: 6e10 5700 0100 |0041: invoke-virtual {v1}, StringBuilder.toString()String
0x000bac: 0c01 |0044: move-result-object v1
0x000bae: 6e20 4800 1200 |0045: invoke-virtual {v2, v1}, PrintStream.println(String)void
0x000bb4: 8e01 |0048: int-to-char v1, v0
0x000bb6: 6202 0500 |0049: sget-object v2, System.out:PrintStream
0x000bba: 2203 2400 |004b: new-instance v3, StringBuilder
0x000bbe: 7010 5100 0300 |004d: invoke-direct {v3}, StringBuilder.<init>()void
0x000bc4: 1a04 9d00 |0050: const-string v4, "num = "
0x000bc8: 6e20 5600 4300 |0052: invoke-virtual {v3, v4}, StringBuilder.append(String)StringBuilder
0x000bce: 0c03 |0055: move-result-object v3
0x000bd0: 6e20 5400 1300 |0056: invoke-virtual {v3, v1}, StringBuilder.append(int)StringBuilder
0x000bd6: 0c01 |0059: move-result-object v1
0x000bd8: 6e10 5700 0100 |005a: invoke-virtual {v1}, StringBuilder.toString()String
0x000bde: 0c01 |005d: move-result-object v1
0x000be0: 6e20 4800 1200 |005e: invoke-virtual {v2, v1}, PrintStream.println(String)void
0x000be6: 8d00 |0061: int-to-byte v0, v0
0x000be8: 6201 0500 |0062: sget-object v1, System.out:PrintStream
0x000bec: 2202 2400 |0064: new-instance v2, StringBuilder
0x000bf0: 7010 5100 0200 |0066: invoke-direct {v2}, StringBuilder.<init>()void
0x000bf6: 1a03 9d00 |0069: const-string v3, "num = "
0x000bfa: 6e20 5600 3200 |006b: invoke-virtual {v2, v3}, StringBuilder.append(String)StringBuilder
0x000c00: 0c02 |006e: move-result-object v2
0x000c02: 6e20 5400 0200 |006f: invoke-virtual {v2, v0}, StringBuilder.append(int)StringBuilder
0x000c08: 0c00 |0072: move-result-object v0
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