/*-*- 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. │ ╚─────────────────────────────────────────────────────────────────────────────*/ #ifdef __x86_64__ .section .text.windows,"ax",@progbits // Epilogues for calling functions w/ Microsoft x64 convention. // // @param %rax is address of windows x64 function to call // @param %rsi is ignored // @param %rdx,%rcx,%r8,%r9,stack are params (unlimited) // @param %xmm0,%xmm1,%xmm2 are double params (limited to 3) // @return is in %rax, %xmm0, or %st // @note GCC 4.8+ and Clang can avoid this indirection // @note thunk that jumps here must setup frame // @note this is so much faster than __nt2sysv() __sysv2nt14: pushq 72(%rbp) pushq 64(%rbp) .type __sysv2nt14,@function .size __sysv2nt14,.-__sysv2nt14 .globl __sysv2nt14 .hidden __sysv2nt14 __sysv2nt12: pushq 56(%rbp) pushq 48(%rbp) .type __sysv2nt12,@function .size __sysv2nt12,.-__sysv2nt12 .globl __sysv2nt12 .hidden __sysv2nt12 __sysv2nt10: pushq 40(%rbp) pushq 32(%rbp) .type __sysv2nt10,@function .size __sysv2nt10,.-__sysv2nt10 .globl __sysv2nt10 .hidden __sysv2nt10 __sysv2nt8: pushq 24(%rbp) pushq 16(%rbp) .type __sysv2nt8,@function .size __sysv2nt8,.-__sysv2nt8 .globl __sysv2nt8 .hidden __sysv2nt8 __sysv2nt6: push %r9 push %r8 .type __sysv2nt6,@function .size __sysv2nt6,.-__sysv2nt6 .globl __sysv2nt6 .hidden __sysv2nt6 __sysv2nt: mov %rdx,%r8 mov %rcx,%r9 mov %rdi,%rcx mov %rsi,%rdx sub $32,%rsp call *%rax leave ret .type __sysv2nt,@function .size __sysv2nt,.-__sysv2nt .globl __sysv2nt .hidden __sysv2nt #endif /* __x86_64__ */