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https://github.com/jart/cosmopolitan.git
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2fc507c98f
* modelines: tw -> sw shiftwidth, not textwidth. * space-surround modelines * fix irregular modelines * Fix modeline in titlegen.c
74 lines
2.9 KiB
ArmAsm
74 lines
2.9 KiB
ArmAsm
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.internal.h"
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.text.windows
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// Restores thread to state before signal.
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//
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// @param rdi points to ucontext_t with machine state
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// @noreturn
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__sig_restore:
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// restore vector registers
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lea 608(%rdi),%rax
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movaps -0x80(%rax),%xmm0
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movaps -0x70(%rax),%xmm1
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movaps -0x60(%rax),%xmm2
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movaps -0x50(%rax),%xmm3
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movaps -0x40(%rax),%xmm4
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movaps -0x30(%rax),%xmm5
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movaps -0x20(%rax),%xmm6
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movaps -0x10(%rax),%xmm7
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movaps 0x00(%rax),%xmm8
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movaps 0x10(%rax),%xmm9
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movaps 0x20(%rax),%xmm10
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movaps 0x30(%rax),%xmm11
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movaps 0x40(%rax),%xmm12
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movaps 0x50(%rax),%xmm13
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movaps 0x60(%rax),%xmm14
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movaps 0x70(%rax),%xmm15
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// restore general registers
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lea 80(%rdi),%rax
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mov -40(%rax),%r8
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mov -32(%rax),%r9
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mov -24(%rax),%r10
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mov -16(%rax),%r11
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mov -8(%rax),%r12
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mov 0(%rax),%r13
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mov 8(%rax),%r14
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mov 16(%rax),%r15
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mov 24(%rax),%rdi
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mov 32(%rax),%rsi
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mov 48(%rax),%rbx
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mov 56(%rax),%rdx
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mov 72(%rax),%rcx
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mov 40(%rax),%rbp
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mov 80(%rax),%rsp
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// this clobbers the red zone
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push 88(%rax) // rip
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push 64(%rax) // rax
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push 96(%rax) // flags
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popf
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pop %rax
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ret
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.endfn __sig_restore,globl
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