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Get address sanitizer mostly working

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Justine Tunney 2020-09-03 05:44:37 -07:00
parent 1f1f3cd477
commit 7327c345f9
149 changed files with 3777 additions and 3457 deletions
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49
libc/mem/cxx/malloc.S Normal file
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/*-*- 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 │
│ │
│ 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/macros.h"
.source __FILE__
/ Allocates memory the C++ way.
/
/ @param %rdi is bytes to allocate
/ @param %rsi is ignored
/ @return new memory or NULL on OOM
_ZnamRKSt9nothrow_t:
/ operator new[](unsigned long, std::nothrow_t const&)
nop
/ 𝑠𝑙𝑖𝑑𝑒
.endfn _ZnamRKSt9nothrow_t,weak
_ZnwmRKSt9nothrow_t:
/ operator new(unsigned long, std::nothrow_t const&)
nop
/ 𝑠𝑙𝑖𝑑𝑒
.endfn _ZnwmRKSt9nothrow_t,weak
_Znam:
/ operator new[](unsigned long)
nop
/ 𝑠𝑙𝑖𝑑𝑒
.endfn _Znam,weak
_Znwm:
/ operator new(unsigned long)
test %rdi,%rdi
jne 1f
mov $1,%edi
1: jmp *hook$malloc(%rip)
.endfn _Znwm,weak