mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-16 15:40:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Initial import

Browse source
This commit is contained in:
Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
14915 changed files with 590219 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

44
libc/nexgen32e/longjmp.S Normal file
View file

@ -0,0 +1,44 @@
/*-*- mode:asm; 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.h"
.privileged
/ Loads previously saved processor state.
/
/ @param rdi points to the jmp_buf
/ @param esi is returned by setjmp() invocation (coerced nonzero)
/ @noreturn
/ @assume system five nexgen32e abi conformant
/ @note code built w/ microsoft abi compiler can't call this
/ @see gclongjmp() unwinds gc() destructors
longjmp:mov %esi,%eax
test %eax,%eax
jnz 1f
inc %eax
1: mov (%rdi),%rsp
mov 8(%rdi),%rbx
mov 16(%rdi),%rbp
mov 24(%rdi),%r12
mov 32(%rdi),%r13
mov 40(%rdi),%r14
mov 48(%rdi),%r15
jmp *56(%rdi)
.endfn longjmp,globl
.yoink __FILE__