cd7ddc9b5f
remove clumsy stack hack. fix exec. fix nthreads maintenance. fix threadexitsall not to kill self. add sun support.
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/*
|
|
* setjmp and longjmp, but our own because some (stupid) c libraries
|
|
* assume longjmp is only used to move up the stack, and error out
|
|
* if you do otherwise.
|
|
*/
|
|
|
|
typedef struct Label Label;
|
|
#define LABELDPC 0
|
|
|
|
#if defined (__i386__) && (defined(__FreeBSD__) || defined(__linux__))
|
|
struct Label
|
|
{
|
|
ulong pc;
|
|
ulong bx;
|
|
ulong sp;
|
|
ulong bp;
|
|
ulong si;
|
|
ulong di;
|
|
};
|
|
#elif defined(__APPLE__)
|
|
struct Label
|
|
{
|
|
ulong pc; /* lr */
|
|
ulong cr; /* mfcr */
|
|
ulong ctr; /* mfcr */
|
|
ulong xer; /* mfcr */
|
|
ulong sp; /* callee saved: r1 */
|
|
ulong toc; /* callee saved: r2 */
|
|
ulong gpr[19]; /* callee saved: r13-r31 */
|
|
// XXX: currently do not save vector registers or floating-point state
|
|
// ulong pad;
|
|
// uvlong fpr[18]; /* callee saved: f14-f31 */
|
|
// ulong vr[4*12]; /* callee saved: v20-v31, 256-bits each */
|
|
};
|
|
#elif defined(__sun__)
|
|
struct Label
|
|
{
|
|
ulong input[8]; /* %i registers */
|
|
ulong local[8]; /* %l registers */
|
|
ulong sp; /* %o6 */
|
|
ulong link; /* %o7 */
|
|
};
|
|
#else
|
|
#error "Unknown or unsupported architecture"
|
|
#endif
|
|
|
|
|