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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | // SPDX-License-Identifier: GPL-2.0 static int is_branch_cond(const char *cond) { if (cond[0] == '\0') return 1; if (cond[0] == 'a' && cond[1] == '\0') return 1; if (cond[0] == 'c' && (cond[1] == 'c' || cond[1] == 's') && cond[2] == '\0') return 1; if (cond[0] == 'e' && (cond[1] == '\0' || (cond[1] == 'q' && cond[2] == '\0'))) return 1; if (cond[0] == 'g' && (cond[1] == '\0' || (cond[1] == 't' && cond[2] == '\0') || (cond[1] == 'e' && cond[2] == '\0') || (cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0'))) return 1; if (cond[0] == 'l' && (cond[1] == '\0' || (cond[1] == 't' && cond[2] == '\0') || (cond[1] == 'u' && cond[2] == '\0') || (cond[1] == 'e' && cond[2] == '\0') || (cond[1] == 'e' && cond[2] == 'u' && cond[3] == '\0'))) return 1; if (cond[0] == 'n' && (cond[1] == '\0' || (cond[1] == 'e' && cond[2] == '\0') || (cond[1] == 'z' && cond[2] == '\0') || (cond[1] == 'e' && cond[2] == 'g' && cond[3] == '\0'))) return 1; if (cond[0] == 'b' && cond[1] == 'p' && cond[2] == 'o' && cond[3] == 's' && cond[4] == '\0') return 1; if (cond[0] == 'v' && (cond[1] == 'c' || cond[1] == 's') && cond[2] == '\0') return 1; if (cond[0] == 'b' && cond[1] == 'z' && cond[2] == '\0') return 1; return 0; } static int is_branch_reg_cond(const char *cond) { if ((cond[0] == 'n' || cond[0] == 'l') && cond[1] == 'z' && cond[2] == '\0') return 1; if (cond[0] == 'z' && cond[1] == '\0') return 1; if ((cond[0] == 'g' || cond[0] == 'l') && cond[1] == 'e' && cond[2] == 'z' && cond[3] == '\0') return 1; if (cond[0] == 'g' && cond[1] == 'z' && cond[2] == '\0') return 1; return 0; } static int is_branch_float_cond(const char *cond) { if (cond[0] == '\0') return 1; if ((cond[0] == 'a' || cond[0] == 'e' || cond[0] == 'z' || cond[0] == 'g' || cond[0] == 'l' || cond[0] == 'n' || cond[0] == 'o' || cond[0] == 'u') && cond[1] == '\0') return 1; if (((cond[0] == 'g' && cond[1] == 'e') || (cond[0] == 'l' && (cond[1] == 'e' || cond[1] == 'g')) || (cond[0] == 'n' && (cond[1] == 'e' || cond[1] == 'z')) || (cond[0] == 'u' && (cond[1] == 'e' || cond[1] == 'g' || cond[1] == 'l'))) && cond[2] == '\0') return 1; if (cond[0] == 'u' && (cond[1] == 'g' || cond[1] == 'l') && cond[2] == 'e' && cond[3] == '\0') return 1; return 0; } static struct ins_ops *sparc__associate_instruction_ops(struct arch *arch, const char *name) { struct ins_ops *ops = NULL; if (!strcmp(name, "call") || !strcmp(name, "jmp") || !strcmp(name, "jmpl")) { ops = &call_ops; } else if (!strcmp(name, "ret") || !strcmp(name, "retl") || !strcmp(name, "return")) { ops = &ret_ops; } else if (!strcmp(name, "mov")) { ops = &mov_ops; } else { if (name[0] == 'c' && (name[1] == 'w' || name[1] == 'x')) name += 2; if (name[0] == 'b') { const char *cond = name + 1; if (cond[0] == 'r') { if (is_branch_reg_cond(cond + 1)) ops = &jump_ops; } else if (is_branch_cond(cond)) { ops = &jump_ops; } } else if (name[0] == 'f' && name[1] == 'b') { if (is_branch_float_cond(name + 2)) ops = &jump_ops; } } if (ops) arch__associate_ins_ops(arch, name, ops); return ops; } static int sparc__annotate_init(struct arch *arch, char *cpuid __maybe_unused) { if (!arch->initialized) { arch->initialized = true; arch->associate_instruction_ops = sparc__associate_instruction_ops; arch->objdump.comment_char = '#'; } return 0; } |