55 lines
2.8 KiB
ArmAsm
55 lines
2.8 KiB
ArmAsm
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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.h"
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.source __FILE__
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/ Allocates aligned memory the C++ way.
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/
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/ @param %rdi is bytes to allocate
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/ @param %rsi is byte alignment
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/ @param %rdx is ignored
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/ @return new memory or NULL on OOM
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_ZnamSt11align_val_tRKSt9nothrow_t:
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/ operator new[](unsigned long, std::align_val_t, std::nothrow_t const&)
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nop
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/ 𝑠𝑙𝑖𝑑𝑒
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.endfn _ZnamSt11align_val_tRKSt9nothrow_t,weak
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_ZnwmSt11align_val_tRKSt9nothrow_t:
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/ operator new(unsigned long, std::align_val_t, std::nothrow_t const&)
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nop
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/ 𝑠𝑙𝑖𝑑𝑒
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.endfn _ZnwmSt11align_val_tRKSt9nothrow_t,weak
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_ZnwmSt11align_val_t:
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/ operator new(unsigned long, std::align_val_t)
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nop
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/ 𝑠𝑙𝑖𝑑𝑒
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.endfn _ZnwmSt11align_val_t,weak
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_ZnamSt11align_val_t:
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/ operator new[](unsigned long, std::align_val_t)
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test %rdi,%rdi
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jnz 1f
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mov $1,%eax
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1: mov $__BIGGEST_ALIGNMENT__,%eax
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cmp %rax,%rsi
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cmovb %rax,%rsi
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xchg %rdi,%rsi
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jmp *hook$memalign(%rip)
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.endfn _ZnamSt11align_val_t,weak
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