1 /* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
2 #ifndef _TOOLS_DIS_ASM_COMPAT_H
3 #define _TOOLS_DIS_ASM_COMPAT_H
4 
5 #include <stdio.h>
6 #include <dis-asm.h>
7 
8 /* define types for older binutils version, to centralize ifdef'ery a bit */
9 #ifndef DISASM_INIT_STYLED
10 enum disassembler_style {DISASSEMBLER_STYLE_NOT_EMPTY};
11 typedef int (*fprintf_styled_ftype) (void *, enum disassembler_style, const char*, ...);
12 #endif
13 
14 /*
15  * Trivial fprintf wrapper to be used as the fprintf_styled_func argument to
16  * init_disassemble_info_compat() when normal fprintf suffices.
17  */
fprintf_styled(void * out,enum disassembler_style style,const char * fmt,...)18 static inline int fprintf_styled(void *out,
19 				 enum disassembler_style style,
20 				 const char *fmt, ...)
21 {
22 	va_list args;
23 	int r;
24 
25 	(void)style;
26 
27 	va_start(args, fmt);
28 	r = vfprintf(out, fmt, args);
29 	va_end(args);
30 
31 	return r;
32 }
33 
34 /*
35  * Wrapper for init_disassemble_info() that hides version
36  * differences. Depending on binutils version and architecture either
37  * fprintf_func or fprintf_styled_func will be called.
38  */
init_disassemble_info_compat(struct disassemble_info * info,void * stream,fprintf_ftype unstyled_func,fprintf_styled_ftype styled_func)39 static inline void init_disassemble_info_compat(struct disassemble_info *info,
40 						void *stream,
41 						fprintf_ftype unstyled_func,
42 						fprintf_styled_ftype styled_func)
43 {
44 #ifdef DISASM_INIT_STYLED
45 	init_disassemble_info(info, stream,
46 			      unstyled_func,
47 			      styled_func);
48 #else
49 	(void)styled_func;
50 	init_disassemble_info(info, stream,
51 			      unstyled_func);
52 #endif
53 }
54 
55 #endif /* _TOOLS_DIS_ASM_COMPAT_H */
56