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 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 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