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Make fixes and improvements

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- Fix handling of precision in hex float formatting
- Enhance the cocmd interpreter for system() and popen()
- Manually ran the Lua unit tests, which are now passing
- Let stdio i/o operations happen when file is in error state
- We're now saving and restoring xmm in ftrace out of paranoia
This commit is contained in:
Justine Tunney 2023-07-09 05:11:25 -07:00
parent 95fbdb4f76
commit 41396ff48a
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GPG key ID: BE714B4575D6E328
43 changed files with 495 additions and 261 deletions
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libc/nexgen32e/xmm.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 │
│ │
│ 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"
.privileged
__xmm_save:
lea -128(%rbp),%rdi
.leafprologue
movdqu %xmm0,-0x80(%rdi)
movdqu %xmm1,-0x70(%rdi)
movdqu %xmm2,-0x60(%rdi)
movdqu %xmm3,-0x50(%rdi)
movdqu %xmm4,-0x40(%rdi)
movdqu %xmm5,-0x30(%rdi)
movdqu %xmm6,-0x20(%rdi)
movdqu %xmm7,-0x10(%rdi)
movdqu %xmm8,0x00(%rdi)
movdqu %xmm9,0x10(%rdi)
movdqu %xmm10,0x20(%rdi)
movdqu %xmm11,0x30(%rdi)
movdqu %xmm12,0x40(%rdi)
movdqu %xmm13,0x50(%rdi)
movdqu %xmm14,0x60(%rdi)
movdqu %xmm15,0x70(%rdi)
.leafepilogue
.endfn __xmm_save,globl,hidden
__xmm_load:
lea -128(%rbp),%rdi
.leafprologue
movdqu -0x80(%rdi),%xmm0
movdqu -0x70(%rdi),%xmm1
movdqu -0x60(%rdi),%xmm2
movdqu -0x50(%rdi),%xmm3
movdqu -0x40(%rdi),%xmm4
movdqu -0x30(%rdi),%xmm5
movdqu -0x20(%rdi),%xmm6
movdqu -0x10(%rdi),%xmm7
movdqu 0x00(%rdi),%xmm8
movdqu 0x10(%rdi),%xmm9
movdqu 0x20(%rdi),%xmm10
movdqu 0x30(%rdi),%xmm11
movdqu 0x40(%rdi),%xmm12
movdqu 0x50(%rdi),%xmm13
movdqu 0x60(%rdi),%xmm14
movdqu 0x70(%rdi),%xmm15
.leafepilogue
.endfn __xmm_load,globl,hidden