cosmopolitan/libc/sysv/g_syscount.S

54 lines
2.6 KiB
ArmAsm

/*-*- 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__
/ RII System Five system call counter.
/
/ Referencing this symbol will cause systemfive() to be hooked
/ for the purpose of counting non-Windows system calls. Please
/ note wrappers may still short circuit calls sometimes, which
/ wouldn't impact this counter.
.bss
.align 8
g_syscount:
.quad 0
.endobj g_syscount,globl
.previous
.initbss 701,_init_g_syscount
g_syscount_next:
.quad 0
.endobj g_syscount_next
.previous
syscount:
incq g_syscount(%rip)
jmp *g_syscount_next(%rip)
.endfn syscount
.previous
.init.start 701,_init_g_syscount
mov __systemfive(%rip),%rax
stosq
ezlea syscount,ax
mov %rax,__systemfive(%rip)
.init.end 701,_init_g_syscount