1 /*===-- disassemble.c - tool for testing libLLVM and llvm-c API -----------===*\
3 |* The LLVM Compiler Infrastructure *|
5 |* This file is distributed under the University of Illinois Open Source *|
6 |* License. See LICENSE.TXT for details. *|
8 |*===----------------------------------------------------------------------===*|
10 |* This file implements the --disassemble command in llvm-c-test. *|
11 |* --disassemble reads lines from stdin, parses them as a triple and hex *|
12 |* machine code, and prints disassembly of the machine code. *|
14 \*===----------------------------------------------------------------------===*/
16 #include "llvm-c-test.h"
17 #include "llvm-c/Disassembler.h"
18 #include "llvm-c/Target.h"
22 static void pprint(int pos, unsigned char *buf, int len, const char *disasm) {
24 printf("%04x: ", pos);
25 for (i = 0; i < 8; i++) {
27 printf("%02x ", buf[i]);
33 printf(" %s\n", disasm);
36 static void do_disassemble(const char *triple, unsigned char *buf, int siz) {
37 LLVMDisasmContextRef D = LLVMCreateDisasm(triple, NULL, 0, NULL, NULL);
42 printf("ERROR: Couldn't create disassebler for triple %s\n", triple);
48 size_t l = LLVMDisasmInstruction(D, buf + pos, siz - pos, 0, outline,
51 pprint(pos, buf + pos, 1, "\t???");
54 pprint(pos, buf + pos, l, outline);
62 static void handle_line(char **tokens, int ntokens) {
63 unsigned char disbuf[128];
65 char *triple = tokens[0];
68 printf("triple: %s\n", triple);
70 for (i = 1; i < ntokens; i++) {
71 disbuf[disbuflen++] = strtol(tokens[i], NULL, 16);
72 if (disbuflen >= sizeof(disbuf)) {
73 fprintf(stderr, "Warning: Too long line, truncating\n");
77 do_disassemble(triple, disbuf, disbuflen);
80 int disassemble(void) {
81 LLVMInitializeAllTargetInfos();
82 LLVMInitializeAllTargetMCs();
83 LLVMInitializeAllDisassemblers();
85 tokenize_stdin(handle_line);