1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __UML_LONGJMP_H 3 #define __UML_LONGJMP_H 4 5 #include <sysdep/archsetjmp.h> 6 #include <os.h> 7 8 extern int signals_enabled; 9 extern int setjmp(jmp_buf); 10 extern void longjmp(jmp_buf, int); 11 12 #define UML_LONGJMP(buf, val) do { \ 13 longjmp(*buf, val); \ 14 } while(0) 15 16 #define UML_SETJMP(buf) ({ \ 17 int n, enable; \ 18 enable = *(volatile int *)&signals_enabled; \ 19 n = setjmp(*buf); \ 20 if(n != 0) \ 21 um_set_signals_trace(enable); \ 22 n; }) 23 24 #endif 25