artemist/mes
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

lib: Base riscv64-mes-gcc support (dummy setjmp).

Browse source 
* lib/riscv64-mes-gcc/setjmp.c: New file.
(setjmp, longjmp): Add dummy implementations. Implementing these for gcc
would be very involved, and does not seem necessary to get mescc to
work.
This commit is contained in:
W. J. van der Laan 2021-04-04 07:23:13 +00:00 committed by Janneke Nieuwenhuizen
parent 2eb0085ba0
commit 6051a6e91e
1 changed files with 40 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
lib/riscv64-mes-gcc/setjmp.c Normal file
View file

@ -0,0 +1,40 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2021 W. J. van der Laan <laanwj@protonmail.com>
*
* This file is part of GNU Mes.
*
* GNU Mes 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; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <setjmp.h>
#include <stdlib.h>
/* This doesn't do anything at the moment.
* According to setjmp.h "It is not supported to use mes' setjmp implementation together with GCC."
* We cannot offer this functionality as a C function. It remains to be done (as assembly) for tcc.
*/
void
longjmp (jmp_buf env, int val)
{
exit (42);
}
int
setjmp (jmp_buf env)
{
return -1;
}