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Justine Tunney 2020-06-15 07:18:57 -07:00
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test/libc/xed/x86ild_lib.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/bing.h"
#include "libc/macros.h"
#include "libc/runtime/gc.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#include "test/libc/xed/lib.h"
#include "third_party/xed/x86.h"
testonly nodiscard uint8_t *unbingx86op(const char16_t *codez) {
size_t len;
len = strlen(codez);
return unbingbuf(xmalloc(ROUNDUP(len, 16)), len, codez, 0x90);
}
/**
* Long mode instruction length decoder.
*/
testonly int ild(const char16_t *codez) {
struct XedDecodedInst xedd;
enum XedError error;
error = xed_instruction_length_decode(
xed_decoded_inst_zero_set_mode(&xedd, XED_MACHINE_MODE_LONG_64),
gc(unbingx86op(codez)), strlen16(codez) + 16);
return error == XED_ERROR_NONE ? xedd.decoded_length : -error;
}
/**
* Real mode instruction length decoder.
*/
testonly int ildreal(const char16_t *codez) {
struct XedDecodedInst xedd;
enum XedError error;
error = xed_instruction_length_decode(
xed_decoded_inst_zero_set_mode(&xedd, XED_MACHINE_MODE_REAL),
gc(unbingx86op(codez)), strlen16(codez) + 16);
return error == XED_ERROR_NONE ? xedd.decoded_length : -error;
}
/**
* Legacy mode instruction length decoder.
*/
testonly int ildlegacy(const char16_t *codez) {
struct XedDecodedInst xedd;
enum XedError error;
error = xed_instruction_length_decode(
xed_decoded_inst_zero_set_mode(&xedd, XED_MACHINE_MODE_LEGACY_32),
gc(unbingx86op(codez)), strlen16(codez) + 16);
return error == XED_ERROR_NONE ? xedd.decoded_length : -error;
}