mirror of
https://github.com/jart/cosmopolitan.git
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69 lines
3.2 KiB
C
69 lines
3.2 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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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/fmt/bing.internal.h"
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#include "libc/macros.internal.h"
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#include "libc/runtime/gc.internal.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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dontdiscard 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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int ild(const char16_t *codez) {
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int error;
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struct XedDecodedInst xedd;
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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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int ildreal(const char16_t *codez) {
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int error;
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struct XedDecodedInst xedd;
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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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int ildlegacy(const char16_t *codez) {
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int error;
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struct XedDecodedInst xedd;
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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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