diff options
author | samuel <samuel@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-24 11:35:29 +0000 |
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committer | samuel <samuel@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-24 11:35:29 +0000 |
commit | e64f71f812324d098bed12ed68c2bc1d6e780c90 (patch) | |
tree | b47548dacef6f68c8f85fbfcd87cc984430243d3 /coroutine/win64/Context.S | |
parent | 091422388e943de1e67ace6faac3d71ed08c14d2 (diff) |
Change Makefile rule for assembly to use .S rather than .s
It is more conventional to use compiler to pre-process and
assemble the `.S` file rather than forcing Makefile to use `.s`.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'coroutine/win64/Context.S')
-rw-r--r-- | coroutine/win64/Context.S | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/coroutine/win64/Context.S b/coroutine/win64/Context.S new file mode 100644 index 0000000000..4b16e0ce8c --- /dev/null +++ b/coroutine/win64/Context.S @@ -0,0 +1,77 @@ +## +## This file is part of the "Coroutine" project and released under the MIT License. +## +## Created by Samuel Williams on 4/11/2018. +## Copyright, 2018, by Samuel Williams. All rights reserved. +## + +.text + +.globl coroutine_transfer +coroutine_transfer: + # Save the thread information block: + pushq %gs:8 + pushq %gs:16 + + # Save caller registers: + pushq %rbp + pushq %rbx + pushq %rdi + pushq %rsi + pushq %r12 + pushq %r13 + pushq %r14 + pushq %r15 + + movaps %xmm15, -168(%rsp) + movaps %xmm14, -152(%rsp) + movaps %xmm13, -136(%rsp) + movaps %xmm12, -120(%rsp) + movaps %xmm11, -104(%rsp) + movaps %xmm10, -88(%rsp) + movaps %xmm9, -72(%rsp) + movaps %xmm8, -56(%rsp) + movaps %xmm7, -40(%rsp) + movaps %xmm6, -24(%rsp) + + # Save caller stack pointer: + mov %rsp, (%rcx) + + # Restore callee stack pointer: + mov (%rdx), %rsp + + movaps -24(%rsp), %xmm6 + movaps -40(%rsp), %xmm7 + movaps -56(%rsp), %xmm8 + movaps -72(%rsp), %xmm9 + movaps -88(%rsp), %xmm10 + movaps -104(%rsp), %xmm11 + movaps -120(%rsp), %xmm12 + movaps -136(%rsp), %xmm13 + movaps -152(%rsp), %xmm14 + movaps -168(%rsp), %xmm15 + + # Restore callee stack: + popq %r15 + popq %r14 + popq %r13 + popq %r12 + popq %rsi + popq %rdi + popq %rbx + popq %rbp + + # Restore the thread information block: + popq %gs:16 + popq %gs:8 + + # Put the first argument into the return value: + mov %rcx, %rax + + # We pop the return address and jump to it: + ret + +.globl coroutine_trampoline +coroutine_trampoline: + # Do not remove this. This forces 16-byte alignment when entering the coroutine. + ret |