/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│ │vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│ ╞══════════════════════════════════════════════════════════════════════════════╡ │ Copyright 2020 Justine Alexandra Roberts Tunney │ │ │ │ Permission to use, copy, modify, and/or distribute this software for │ │ any purpose with or without fee is hereby granted, provided that the │ │ above copyright notice and this permission notice appear in all copies. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │ │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │ │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │ │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │ │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │ │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ PERFORMANCE OF THIS SOFTWARE. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "libc/macros.internal.h" .source __FILE__ // Allocates aligned memory the C++ way. // // \param %rdi is bytes to allocate // \param %rsi is byte alignment // \param %rdx is ignored // \return new memory or NULL on OOM _ZnamSt11align_val_tRKSt9nothrow_t: // operator new[](unsigned long, std::align_val_t, std::nothrow_t const&) nop // 𝑠𝑙𝑖𝑑𝑒 .endfn _ZnamSt11align_val_tRKSt9nothrow_t,weak _ZnwmSt11align_val_tRKSt9nothrow_t: // operator new(unsigned long, std::align_val_t, std::nothrow_t const&) nop // 𝑠𝑙𝑖𝑑𝑒 .endfn _ZnwmSt11align_val_tRKSt9nothrow_t,weak _ZnwmSt11align_val_t: // operator new(unsigned long, std::align_val_t) nop // 𝑠𝑙𝑖𝑑𝑒 .endfn _ZnwmSt11align_val_t,weak _ZnamSt11align_val_t: // operator new[](unsigned long, std::align_val_t) test %rdi,%rdi jnz 1f mov $1,%eax 1: mov $__BIGGEST_ALIGNMENT__,%eax cmp %rax,%rsi cmovb %rax,%rsi xchg %rdi,%rsi jmp *hook_memalign(%rip) .endfn _ZnamSt11align_val_t,weak