mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
52d28966f7
Since 8ff48201ca we no longer need the
hack where, when running .com.dbg files, we scanned for the embedded
.com file offset, and then computed zip offsets realtive to that. It
wasn't very reliable in the first place, and was causing issues with
running our new .com.dbg executables, which are true zip files.
172 lines
4.4 KiB
C
172 lines
4.4 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 2023 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/limits.h"
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#include "libc/runtime/internal.h"
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#include "libc/stdckdint.h"
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/**
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* Returns -𝑥, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int __negvsi2(int x) {
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if (x == INT_MIN) {
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__on_arithmetic_overflow();
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}
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return -x;
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}
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/**
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* Returns -𝑥 on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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long long __negvdi2(long long x) {
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if (x == LLONG_MIN) {
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__on_arithmetic_overflow();
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}
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return -x;
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}
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/**
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* Returns -𝑥, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int128_t __negvti2(int128_t x) {
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if (x == INT128_MIN) {
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__on_arithmetic_overflow();
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}
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return -x;
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}
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/**
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* Returns 𝑥+𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int __addvsi3(int x, int y) {
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int z;
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if (ckd_add(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥+𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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long long __addvdi3(long long x, long long y) {
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long long z;
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if (ckd_add(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥+𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int128_t __addvti3(int128_t x, int128_t y) {
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int128_t z;
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if (ckd_add(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥-𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int __subvsi3(int x, int y) {
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int z;
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if (ckd_sub(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥-𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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long long __subvdi3(long long x, long long y) {
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long long z;
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if (ckd_sub(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥-𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int128_t __subvti3(int128_t x, int128_t y) {
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int128_t z;
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if (ckd_sub(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥*𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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int __mulvsi3(int x, int y) {
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int z;
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if (ckd_mul(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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/**
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* Returns 𝑥*𝑦, aborting on overflow.
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*
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* @see __on_arithmetic_overflow()
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* @see -ftrapv to enable
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*/
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long long __mulvdi3(long long x, long long y) {
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long long z;
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if (ckd_mul(&z, x, y)) {
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__on_arithmetic_overflow();
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}
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return z;
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}
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