1 /*
2  * setjmp and longjmp, but our own because some (stupid) c libraries
3  * assume longjmp is only used to move up the stack, and error out
4  * if you do otherwise.
5  */
6 
7 typedef struct Label Label;
8 #define LABELDPC 0
9 
10 #if defined (__i386__) && (defined(__FreeBSD__) || defined(__linux__))
11 struct Label
12 {
13 	ulong pc;
14 	ulong bx;
15 	ulong sp;
16 	ulong bp;
17 	ulong si;
18 	ulong di;
19 };
20 #else
21 #error "Unknown or unsupported architecture"
22 #endif
23 
24