70 lines
3.4 KiB
C
70 lines
3.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/fmt/bing.internal.h"
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#include "libc/macros.h"
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#include "libc/runtime/gc.h"
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#include "libc/str/str.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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#include "test/libc/xed/lib.h"
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#include "third_party/xed/x86.h"
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testonly nodiscard uint8_t *unbingx86op(const char16_t *codez) {
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size_t len;
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len = strlen16(codez);
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return unbingbuf(xmalloc(ROUNDUP(len, 16)), len, codez, 0x90);
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}
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/**
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* Long mode instruction length decoder.
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*/
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testonly int ild(const char16_t *codez) {
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struct XedDecodedInst xedd;
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enum XedError error;
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error = xed_instruction_length_decode(
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xed_decoded_inst_zero_set_mode(&xedd, XED_MACHINE_MODE_LONG_64),
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gc(unbingx86op(codez)), strlen16(codez) + 16);
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return error == XED_ERROR_NONE ? xedd.length : -error;
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}
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/**
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* Real mode instruction length decoder.
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*/
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testonly int ildreal(const char16_t *codez) {
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struct XedDecodedInst xedd;
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enum XedError error;
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error = xed_instruction_length_decode(
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xed_decoded_inst_zero_set_mode(&xedd, XED_MACHINE_MODE_REAL),
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gc(unbingx86op(codez)), strlen16(codez) + 16);
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return error == XED_ERROR_NONE ? xedd.length : -error;
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}
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/**
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* Legacy mode instruction length decoder.
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*/
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testonly int ildlegacy(const char16_t *codez) {
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struct XedDecodedInst xedd;
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enum XedError error;
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error = xed_instruction_length_decode(
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xed_decoded_inst_zero_set_mode(&xedd, XED_MACHINE_MODE_LEGACY_32),
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gc(unbingx86op(codez)), strlen16(codez) + 16);
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return error == XED_ERROR_NONE ? xedd.length : -error;
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}
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