1 // SPDX-License-Identifier: GPL-2.0
2 #include <string.h>
3 #include <linux/compiler.h>
4 #include <linux/zalloc.h>
5 #include "../disasm.h"
6
7 static
mips__associate_ins_ops(struct arch * arch,const char * name)8 const struct ins_ops *mips__associate_ins_ops(struct arch *arch, const char *name)
9 {
10 const struct ins_ops *ops = NULL;
11
12 if (!strncmp(name, "bal", 3) ||
13 !strncmp(name, "bgezal", 6) ||
14 !strncmp(name, "bltzal", 6) ||
15 !strncmp(name, "bgtzal", 6) ||
16 !strncmp(name, "blezal", 6) ||
17 !strncmp(name, "beqzal", 6) ||
18 !strncmp(name, "bnezal", 6) ||
19 !strncmp(name, "bgtzl", 5) ||
20 !strncmp(name, "bltzl", 5) ||
21 !strncmp(name, "bgezl", 5) ||
22 !strncmp(name, "blezl", 5) ||
23 !strncmp(name, "jialc", 5) ||
24 !strncmp(name, "beql", 4) ||
25 !strncmp(name, "bnel", 4) ||
26 !strncmp(name, "jal", 3))
27 ops = &call_ops;
28 else if (!strncmp(name, "jr", 2))
29 ops = &ret_ops;
30 else if (name[0] == 'j' || name[0] == 'b')
31 ops = &jump_ops;
32 else
33 return NULL;
34
35 arch__associate_ins_ops(arch, name, ops);
36
37 return ops;
38 }
39
arch__new_mips(const struct e_machine_and_e_flags * id,const char * cpuid __maybe_unused)40 const struct arch *arch__new_mips(const struct e_machine_and_e_flags *id,
41 const char *cpuid __maybe_unused)
42 {
43 struct arch *arch = zalloc(sizeof(*arch));
44
45 if (!arch)
46 return NULL;
47
48 arch->name = "mips";
49 arch->id = *id;
50 arch->objdump.comment_char = '#';
51 arch->associate_instruction_ops = mips__associate_ins_ops;
52 return arch;
53 }
54