mirror of
https://github.com/icedland/iced.git
synced 2025-02-26 20:45:47 +00:00
512 lines
17 KiB
C#
512 lines
17 KiB
C#
/*
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Copyright (C) 2018 de4dot@gmail.com
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This file is part of Iced.
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Iced is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Iced is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with Iced. If not, see <https://www.gnu.org/licenses/>.
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*/
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#if !NO_ENCODER
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using System;
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namespace Iced.Intel.BlockEncoderInternal {
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static class CodeUtils {
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public static Code ShortJccToNativeJcc(this Code code, int bitness) {
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Code c16, c32, c64;
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switch (code) {
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case Code.Jo_rel8_16:
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case Code.Jo_rel8_32:
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case Code.Jo_rel8_64:
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c16 = Code.Jo_rel8_16;
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c32 = Code.Jo_rel8_32;
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c64 = Code.Jo_rel8_64;
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break;
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case Code.Jno_rel8_16:
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case Code.Jno_rel8_32:
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case Code.Jno_rel8_64:
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c16 = Code.Jno_rel8_16;
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c32 = Code.Jno_rel8_32;
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c64 = Code.Jno_rel8_64;
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break;
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case Code.Jb_rel8_16:
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case Code.Jb_rel8_32:
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case Code.Jb_rel8_64:
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c16 = Code.Jb_rel8_16;
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c32 = Code.Jb_rel8_32;
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c64 = Code.Jb_rel8_64;
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break;
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case Code.Jae_rel8_16:
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case Code.Jae_rel8_32:
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case Code.Jae_rel8_64:
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c16 = Code.Jae_rel8_16;
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c32 = Code.Jae_rel8_32;
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c64 = Code.Jae_rel8_64;
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break;
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case Code.Je_rel8_16:
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case Code.Je_rel8_32:
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case Code.Je_rel8_64:
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c16 = Code.Je_rel8_16;
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c32 = Code.Je_rel8_32;
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c64 = Code.Je_rel8_64;
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break;
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case Code.Jne_rel8_16:
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case Code.Jne_rel8_32:
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case Code.Jne_rel8_64:
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c16 = Code.Jne_rel8_16;
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c32 = Code.Jne_rel8_32;
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c64 = Code.Jne_rel8_64;
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break;
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case Code.Jbe_rel8_16:
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case Code.Jbe_rel8_32:
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case Code.Jbe_rel8_64:
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c16 = Code.Jbe_rel8_16;
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c32 = Code.Jbe_rel8_32;
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c64 = Code.Jbe_rel8_64;
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break;
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case Code.Ja_rel8_16:
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case Code.Ja_rel8_32:
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case Code.Ja_rel8_64:
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c16 = Code.Ja_rel8_16;
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c32 = Code.Ja_rel8_32;
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c64 = Code.Ja_rel8_64;
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break;
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case Code.Js_rel8_16:
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case Code.Js_rel8_32:
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case Code.Js_rel8_64:
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c16 = Code.Js_rel8_16;
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c32 = Code.Js_rel8_32;
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c64 = Code.Js_rel8_64;
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break;
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case Code.Jns_rel8_16:
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case Code.Jns_rel8_32:
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case Code.Jns_rel8_64:
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c16 = Code.Jns_rel8_16;
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c32 = Code.Jns_rel8_32;
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c64 = Code.Jns_rel8_64;
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break;
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case Code.Jp_rel8_16:
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case Code.Jp_rel8_32:
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case Code.Jp_rel8_64:
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c16 = Code.Jp_rel8_16;
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c32 = Code.Jp_rel8_32;
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c64 = Code.Jp_rel8_64;
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break;
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case Code.Jnp_rel8_16:
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case Code.Jnp_rel8_32:
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case Code.Jnp_rel8_64:
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c16 = Code.Jnp_rel8_16;
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c32 = Code.Jnp_rel8_32;
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c64 = Code.Jnp_rel8_64;
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break;
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case Code.Jl_rel8_16:
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case Code.Jl_rel8_32:
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case Code.Jl_rel8_64:
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c16 = Code.Jl_rel8_16;
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c32 = Code.Jl_rel8_32;
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c64 = Code.Jl_rel8_64;
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break;
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case Code.Jge_rel8_16:
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case Code.Jge_rel8_32:
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case Code.Jge_rel8_64:
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c16 = Code.Jge_rel8_16;
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c32 = Code.Jge_rel8_32;
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c64 = Code.Jge_rel8_64;
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break;
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case Code.Jle_rel8_16:
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case Code.Jle_rel8_32:
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case Code.Jle_rel8_64:
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c16 = Code.Jle_rel8_16;
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c32 = Code.Jle_rel8_32;
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c64 = Code.Jle_rel8_64;
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break;
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case Code.Jg_rel8_16:
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case Code.Jg_rel8_32:
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case Code.Jg_rel8_64:
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c16 = Code.Jg_rel8_16;
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c32 = Code.Jg_rel8_32;
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c64 = Code.Jg_rel8_64;
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break;
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default:
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throw new ArgumentOutOfRangeException(nameof(code));
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}
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switch (bitness) {
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case 16: return c16;
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case 32: return c32;
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case 64: return c64;
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default: throw new ArgumentOutOfRangeException(nameof(bitness));
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}
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}
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public static Code ToShortBranchCode(this Code code) {
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switch (code) {
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case Code.Jo_rel8_16:
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case Code.Jo_rel8_32:
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case Code.Jo_rel8_64:
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case Code.Jno_rel8_16:
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case Code.Jno_rel8_32:
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case Code.Jno_rel8_64:
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case Code.Jb_rel8_16:
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case Code.Jb_rel8_32:
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case Code.Jb_rel8_64:
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case Code.Jae_rel8_16:
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case Code.Jae_rel8_32:
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case Code.Jae_rel8_64:
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case Code.Je_rel8_16:
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case Code.Je_rel8_32:
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case Code.Je_rel8_64:
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case Code.Jne_rel8_16:
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case Code.Jne_rel8_32:
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case Code.Jne_rel8_64:
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case Code.Jbe_rel8_16:
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case Code.Jbe_rel8_32:
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case Code.Jbe_rel8_64:
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case Code.Ja_rel8_16:
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case Code.Ja_rel8_32:
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case Code.Ja_rel8_64:
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case Code.Js_rel8_16:
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case Code.Js_rel8_32:
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case Code.Js_rel8_64:
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case Code.Jns_rel8_16:
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case Code.Jns_rel8_32:
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case Code.Jns_rel8_64:
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case Code.Jp_rel8_16:
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case Code.Jp_rel8_32:
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case Code.Jp_rel8_64:
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case Code.Jnp_rel8_16:
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case Code.Jnp_rel8_32:
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case Code.Jnp_rel8_64:
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case Code.Jl_rel8_16:
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case Code.Jl_rel8_32:
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case Code.Jl_rel8_64:
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case Code.Jge_rel8_16:
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case Code.Jge_rel8_32:
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case Code.Jge_rel8_64:
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case Code.Jle_rel8_16:
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case Code.Jle_rel8_32:
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case Code.Jle_rel8_64:
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case Code.Jg_rel8_16:
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case Code.Jg_rel8_32:
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case Code.Jg_rel8_64:
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return code;
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case Code.Jo_rel16: return Code.Jo_rel8_16;
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case Code.Jo_rel32_32: return Code.Jo_rel8_32;
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case Code.Jo_rel32_64: return Code.Jo_rel8_64;
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case Code.Jno_rel16: return Code.Jno_rel8_16;
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case Code.Jno_rel32_32: return Code.Jno_rel8_32;
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case Code.Jno_rel32_64: return Code.Jno_rel8_64;
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case Code.Jb_rel16: return Code.Jb_rel8_16;
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case Code.Jb_rel32_32: return Code.Jb_rel8_32;
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case Code.Jb_rel32_64: return Code.Jb_rel8_64;
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case Code.Jae_rel16: return Code.Jae_rel8_16;
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case Code.Jae_rel32_32: return Code.Jae_rel8_32;
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case Code.Jae_rel32_64: return Code.Jae_rel8_64;
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case Code.Je_rel16: return Code.Je_rel8_16;
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case Code.Je_rel32_32: return Code.Je_rel8_32;
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case Code.Je_rel32_64: return Code.Je_rel8_64;
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case Code.Jne_rel16: return Code.Jne_rel8_16;
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case Code.Jne_rel32_32: return Code.Jne_rel8_32;
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case Code.Jne_rel32_64: return Code.Jne_rel8_64;
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case Code.Jbe_rel16: return Code.Jbe_rel8_16;
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case Code.Jbe_rel32_32: return Code.Jbe_rel8_32;
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case Code.Jbe_rel32_64: return Code.Jbe_rel8_64;
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case Code.Ja_rel16: return Code.Ja_rel8_16;
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case Code.Ja_rel32_32: return Code.Ja_rel8_32;
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case Code.Ja_rel32_64: return Code.Ja_rel8_64;
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case Code.Js_rel16: return Code.Js_rel8_16;
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case Code.Js_rel32_32: return Code.Js_rel8_32;
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case Code.Js_rel32_64: return Code.Js_rel8_64;
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case Code.Jns_rel16: return Code.Jns_rel8_16;
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case Code.Jns_rel32_32: return Code.Jns_rel8_32;
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case Code.Jns_rel32_64: return Code.Jns_rel8_64;
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case Code.Jp_rel16: return Code.Jp_rel8_16;
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case Code.Jp_rel32_32: return Code.Jp_rel8_32;
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case Code.Jp_rel32_64: return Code.Jp_rel8_64;
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case Code.Jnp_rel16: return Code.Jnp_rel8_16;
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case Code.Jnp_rel32_32: return Code.Jnp_rel8_32;
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case Code.Jnp_rel32_64: return Code.Jnp_rel8_64;
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case Code.Jl_rel16: return Code.Jl_rel8_16;
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case Code.Jl_rel32_32: return Code.Jl_rel8_32;
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case Code.Jl_rel32_64: return Code.Jl_rel8_64;
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case Code.Jge_rel16: return Code.Jge_rel8_16;
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case Code.Jge_rel32_32: return Code.Jge_rel8_32;
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case Code.Jge_rel32_64: return Code.Jge_rel8_64;
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case Code.Jle_rel16: return Code.Jle_rel8_16;
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case Code.Jle_rel32_32: return Code.Jle_rel8_32;
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case Code.Jle_rel32_64: return Code.Jle_rel8_64;
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case Code.Jg_rel16: return Code.Jg_rel8_16;
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case Code.Jg_rel32_32: return Code.Jg_rel8_32;
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case Code.Jg_rel32_64: return Code.Jg_rel8_64;
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case Code.Jmp_rel16: return Code.Jmp_rel8_16;
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case Code.Jmp_rel32_32: return Code.Jmp_rel8_32;
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case Code.Jmp_rel32_64: return Code.Jmp_rel8_64;
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case Code.Jmp_rel8_16:
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case Code.Jmp_rel8_32:
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case Code.Jmp_rel8_64:
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return code;
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default:
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throw new ArgumentOutOfRangeException(nameof(code));
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}
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}
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public static Code ToNearBranchCode(this Code code) {
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switch (code) {
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case Code.Jo_rel8_16: return Code.Jo_rel16;
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case Code.Jo_rel8_32: return Code.Jo_rel32_32;
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case Code.Jo_rel8_64: return Code.Jo_rel32_64;
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case Code.Jno_rel8_16: return Code.Jno_rel16;
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case Code.Jno_rel8_32: return Code.Jno_rel32_32;
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case Code.Jno_rel8_64: return Code.Jno_rel32_64;
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case Code.Jb_rel8_16: return Code.Jb_rel16;
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case Code.Jb_rel8_32: return Code.Jb_rel32_32;
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case Code.Jb_rel8_64: return Code.Jb_rel32_64;
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case Code.Jae_rel8_16: return Code.Jae_rel16;
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case Code.Jae_rel8_32: return Code.Jae_rel32_32;
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case Code.Jae_rel8_64: return Code.Jae_rel32_64;
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case Code.Je_rel8_16: return Code.Je_rel16;
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case Code.Je_rel8_32: return Code.Je_rel32_32;
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case Code.Je_rel8_64: return Code.Je_rel32_64;
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case Code.Jne_rel8_16: return Code.Jne_rel16;
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case Code.Jne_rel8_32: return Code.Jne_rel32_32;
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case Code.Jne_rel8_64: return Code.Jne_rel32_64;
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case Code.Jbe_rel8_16: return Code.Jbe_rel16;
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case Code.Jbe_rel8_32: return Code.Jbe_rel32_32;
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case Code.Jbe_rel8_64: return Code.Jbe_rel32_64;
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case Code.Ja_rel8_16: return Code.Ja_rel16;
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case Code.Ja_rel8_32: return Code.Ja_rel32_32;
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case Code.Ja_rel8_64: return Code.Ja_rel32_64;
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case Code.Js_rel8_16: return Code.Js_rel16;
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case Code.Js_rel8_32: return Code.Js_rel32_32;
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case Code.Js_rel8_64: return Code.Js_rel32_64;
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case Code.Jns_rel8_16: return Code.Jns_rel16;
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case Code.Jns_rel8_32: return Code.Jns_rel32_32;
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case Code.Jns_rel8_64: return Code.Jns_rel32_64;
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case Code.Jp_rel8_16: return Code.Jp_rel16;
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case Code.Jp_rel8_32: return Code.Jp_rel32_32;
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case Code.Jp_rel8_64: return Code.Jp_rel32_64;
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case Code.Jnp_rel8_16: return Code.Jnp_rel16;
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case Code.Jnp_rel8_32: return Code.Jnp_rel32_32;
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case Code.Jnp_rel8_64: return Code.Jnp_rel32_64;
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case Code.Jl_rel8_16: return Code.Jl_rel16;
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case Code.Jl_rel8_32: return Code.Jl_rel32_32;
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case Code.Jl_rel8_64: return Code.Jl_rel32_64;
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case Code.Jge_rel8_16: return Code.Jge_rel16;
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case Code.Jge_rel8_32: return Code.Jge_rel32_32;
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case Code.Jge_rel8_64: return Code.Jge_rel32_64;
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case Code.Jle_rel8_16: return Code.Jle_rel16;
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case Code.Jle_rel8_32: return Code.Jle_rel32_32;
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case Code.Jle_rel8_64: return Code.Jle_rel32_64;
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case Code.Jg_rel8_16: return Code.Jg_rel16;
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case Code.Jg_rel8_32: return Code.Jg_rel32_32;
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case Code.Jg_rel8_64: return Code.Jg_rel32_64;
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case Code.Jo_rel16:
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case Code.Jo_rel32_32:
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case Code.Jo_rel32_64:
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case Code.Jno_rel16:
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case Code.Jno_rel32_32:
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case Code.Jno_rel32_64:
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case Code.Jb_rel16:
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case Code.Jb_rel32_32:
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case Code.Jb_rel32_64:
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case Code.Jae_rel16:
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case Code.Jae_rel32_32:
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case Code.Jae_rel32_64:
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case Code.Je_rel16:
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case Code.Je_rel32_32:
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case Code.Je_rel32_64:
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case Code.Jne_rel16:
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case Code.Jne_rel32_32:
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case Code.Jne_rel32_64:
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case Code.Jbe_rel16:
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case Code.Jbe_rel32_32:
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case Code.Jbe_rel32_64:
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case Code.Ja_rel16:
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case Code.Ja_rel32_32:
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case Code.Ja_rel32_64:
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case Code.Js_rel16:
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case Code.Js_rel32_32:
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case Code.Js_rel32_64:
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case Code.Jns_rel16:
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case Code.Jns_rel32_32:
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case Code.Jns_rel32_64:
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case Code.Jp_rel16:
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case Code.Jp_rel32_32:
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case Code.Jp_rel32_64:
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case Code.Jnp_rel16:
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case Code.Jnp_rel32_32:
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case Code.Jnp_rel32_64:
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case Code.Jl_rel16:
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case Code.Jl_rel32_32:
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case Code.Jl_rel32_64:
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case Code.Jge_rel16:
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case Code.Jge_rel32_32:
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case Code.Jge_rel32_64:
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case Code.Jle_rel16:
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case Code.Jle_rel32_32:
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case Code.Jle_rel32_64:
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case Code.Jg_rel16:
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case Code.Jg_rel32_32:
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case Code.Jg_rel32_64:
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return code;
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case Code.Jmp_rel16:
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case Code.Jmp_rel32_32:
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case Code.Jmp_rel32_64:
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return code;
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case Code.Jmp_rel8_16: return Code.Jmp_rel16;
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case Code.Jmp_rel8_32: return Code.Jmp_rel32_32;
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case Code.Jmp_rel8_64: return Code.Jmp_rel32_64;
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default:
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throw new ArgumentOutOfRangeException(nameof(code));
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}
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}
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public static Code ToNegatedJcc(this Code code) {
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switch (code) {
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case Code.Jo_rel8_16: return Code.Jno_rel8_16;
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case Code.Jo_rel8_32: return Code.Jno_rel8_32;
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case Code.Jo_rel8_64: return Code.Jno_rel8_64;
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case Code.Jno_rel8_16: return Code.Jo_rel8_16;
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case Code.Jno_rel8_32: return Code.Jo_rel8_32;
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case Code.Jno_rel8_64: return Code.Jo_rel8_64;
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case Code.Jb_rel8_16: return Code.Jae_rel8_16;
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case Code.Jb_rel8_32: return Code.Jae_rel8_32;
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case Code.Jb_rel8_64: return Code.Jae_rel8_64;
|
|
case Code.Jae_rel8_16: return Code.Jb_rel8_16;
|
|
case Code.Jae_rel8_32: return Code.Jb_rel8_32;
|
|
case Code.Jae_rel8_64: return Code.Jb_rel8_64;
|
|
case Code.Je_rel8_16: return Code.Jne_rel8_16;
|
|
case Code.Je_rel8_32: return Code.Jne_rel8_32;
|
|
case Code.Je_rel8_64: return Code.Jne_rel8_64;
|
|
case Code.Jne_rel8_16: return Code.Je_rel8_16;
|
|
case Code.Jne_rel8_32: return Code.Je_rel8_32;
|
|
case Code.Jne_rel8_64: return Code.Je_rel8_64;
|
|
case Code.Jbe_rel8_16: return Code.Ja_rel8_16;
|
|
case Code.Jbe_rel8_32: return Code.Ja_rel8_32;
|
|
case Code.Jbe_rel8_64: return Code.Ja_rel8_64;
|
|
case Code.Ja_rel8_16: return Code.Jbe_rel8_16;
|
|
case Code.Ja_rel8_32: return Code.Jbe_rel8_32;
|
|
case Code.Ja_rel8_64: return Code.Jbe_rel8_64;
|
|
|
|
case Code.Js_rel8_16: return Code.Jns_rel8_16;
|
|
case Code.Js_rel8_32: return Code.Jns_rel8_32;
|
|
case Code.Js_rel8_64: return Code.Jns_rel8_64;
|
|
case Code.Jns_rel8_16: return Code.Js_rel8_16;
|
|
case Code.Jns_rel8_32: return Code.Js_rel8_32;
|
|
case Code.Jns_rel8_64: return Code.Js_rel8_64;
|
|
case Code.Jp_rel8_16: return Code.Jnp_rel8_16;
|
|
case Code.Jp_rel8_32: return Code.Jnp_rel8_32;
|
|
case Code.Jp_rel8_64: return Code.Jnp_rel8_64;
|
|
case Code.Jnp_rel8_16: return Code.Jp_rel8_16;
|
|
case Code.Jnp_rel8_32: return Code.Jp_rel8_32;
|
|
case Code.Jnp_rel8_64: return Code.Jp_rel8_64;
|
|
case Code.Jl_rel8_16: return Code.Jge_rel8_16;
|
|
case Code.Jl_rel8_32: return Code.Jge_rel8_32;
|
|
case Code.Jl_rel8_64: return Code.Jge_rel8_64;
|
|
case Code.Jge_rel8_16: return Code.Jl_rel8_16;
|
|
case Code.Jge_rel8_32: return Code.Jl_rel8_32;
|
|
case Code.Jge_rel8_64: return Code.Jl_rel8_64;
|
|
case Code.Jle_rel8_16: return Code.Jg_rel8_16;
|
|
case Code.Jle_rel8_32: return Code.Jg_rel8_32;
|
|
case Code.Jle_rel8_64: return Code.Jg_rel8_64;
|
|
case Code.Jg_rel8_16: return Code.Jle_rel8_16;
|
|
case Code.Jg_rel8_32: return Code.Jle_rel8_32;
|
|
case Code.Jg_rel8_64: return Code.Jle_rel8_64;
|
|
|
|
case Code.Jo_rel16: return Code.Jno_rel16;
|
|
case Code.Jo_rel32_32: return Code.Jno_rel32_32;
|
|
case Code.Jo_rel32_64: return Code.Jno_rel32_64;
|
|
case Code.Jno_rel16: return Code.Jo_rel16;
|
|
case Code.Jno_rel32_32: return Code.Jo_rel32_32;
|
|
case Code.Jno_rel32_64: return Code.Jo_rel32_64;
|
|
case Code.Jb_rel16: return Code.Jae_rel16;
|
|
case Code.Jb_rel32_32: return Code.Jae_rel32_32;
|
|
case Code.Jb_rel32_64: return Code.Jae_rel32_64;
|
|
case Code.Jae_rel16: return Code.Jb_rel16;
|
|
case Code.Jae_rel32_32: return Code.Jb_rel32_32;
|
|
case Code.Jae_rel32_64: return Code.Jb_rel32_64;
|
|
case Code.Je_rel16: return Code.Jne_rel16;
|
|
case Code.Je_rel32_32: return Code.Jne_rel32_32;
|
|
case Code.Je_rel32_64: return Code.Jne_rel32_64;
|
|
case Code.Jne_rel16: return Code.Je_rel16;
|
|
case Code.Jne_rel32_32: return Code.Je_rel32_32;
|
|
case Code.Jne_rel32_64: return Code.Je_rel32_64;
|
|
case Code.Jbe_rel16: return Code.Ja_rel16;
|
|
case Code.Jbe_rel32_32: return Code.Ja_rel32_32;
|
|
case Code.Jbe_rel32_64: return Code.Ja_rel32_64;
|
|
case Code.Ja_rel16: return Code.Jbe_rel16;
|
|
case Code.Ja_rel32_32: return Code.Jbe_rel32_32;
|
|
case Code.Ja_rel32_64: return Code.Jbe_rel32_64;
|
|
|
|
case Code.Js_rel16: return Code.Jns_rel16;
|
|
case Code.Js_rel32_32: return Code.Jns_rel32_32;
|
|
case Code.Js_rel32_64: return Code.Jns_rel32_64;
|
|
case Code.Jns_rel16: return Code.Js_rel16;
|
|
case Code.Jns_rel32_32: return Code.Js_rel32_32;
|
|
case Code.Jns_rel32_64: return Code.Js_rel32_64;
|
|
case Code.Jp_rel16: return Code.Jnp_rel16;
|
|
case Code.Jp_rel32_32: return Code.Jnp_rel32_32;
|
|
case Code.Jp_rel32_64: return Code.Jnp_rel32_64;
|
|
case Code.Jnp_rel16: return Code.Jp_rel16;
|
|
case Code.Jnp_rel32_32: return Code.Jp_rel32_32;
|
|
case Code.Jnp_rel32_64: return Code.Jp_rel32_64;
|
|
case Code.Jl_rel16: return Code.Jge_rel16;
|
|
case Code.Jl_rel32_32: return Code.Jge_rel32_32;
|
|
case Code.Jl_rel32_64: return Code.Jge_rel32_64;
|
|
case Code.Jge_rel16: return Code.Jl_rel16;
|
|
case Code.Jge_rel32_32: return Code.Jl_rel32_32;
|
|
case Code.Jge_rel32_64: return Code.Jl_rel32_64;
|
|
case Code.Jle_rel16: return Code.Jg_rel16;
|
|
case Code.Jle_rel32_32: return Code.Jg_rel32_32;
|
|
case Code.Jle_rel32_64: return Code.Jg_rel32_64;
|
|
case Code.Jg_rel16: return Code.Jle_rel16;
|
|
case Code.Jg_rel32_32: return Code.Jle_rel32_32;
|
|
case Code.Jg_rel32_64: return Code.Jle_rel32_64;
|
|
|
|
default:
|
|
throw new ArgumentOutOfRangeException(nameof(code));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|