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Add MODE=optlinux build mode (#141)

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Justine Tunney 2021-10-14 19:36:49 -07:00
parent 226aaf3547
commit 67b5200a0b
111 changed files with 934 additions and 854 deletions
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46
test/libc/calls/write_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 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/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/struct/iovec.h"
#include "libc/sock/internal.h"
#include "libc/sysv/consts/nr.h"
#include "libc/sysv/consts/o.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
static long Write(long fd, const void *data, unsigned long size) {
long ax, di, si, dx;
asm volatile("syscall"
: "=a"(ax), "=D"(di), "=S"(si), "=d"(dx)
: "0"(__NR_write), "1"(fd), "2"(data), "3"(size)
: "rcx", "r8", "r9", "r10", "r11", "memory", "cc");
return ax;
}
BENCH(write, bench) {
ASSERT_SYS(0, 3, open("/dev/null", O_WRONLY));
EZBENCH2("write", donothing, write(3, "hello", 5));
EZBENCH2("sys_write", donothing, sys_write(3, "hello", 5));
EZBENCH2("sys_writev", donothing,
sys_writev(3, &(struct iovec){"hello", 5}, 1));
EZBENCH2("Write", donothing, Write(3, "hello", 5));
EZBENCH2("Write", donothing, Write(3, "hello", 5));
ASSERT_SYS(0, 0, close(3));
}