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More GOS Raw32 updates.

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This commit is contained in:
inmarket 2013-12-21 13:37:40 +10:00
parent 0c854f099f
commit a68dfd9cbe
1 changed files with 17 additions and 31 deletions
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28
src/gos/raw32.c
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@ -462,7 +462,6 @@ typedef struct thread {
threadreturn_t (*fn)(void *param); // Thread function
void * param; // Parameter for the thread function
jmp_buf cxt; // The current thread context.
// size - sizeof(thread) bytes of stack follow here
} thread;
typedef struct threadQ {
@ -549,45 +548,32 @@ static void _gosThreadsInit(void) {
// Get details of the stack frame outside the function
get_stack_state();
/* stack direction */
/* Work out the frame entries to relocate by treating the jump buffer as an array of pointers */
stackdirup = pframeinfo[1].localptr > pframeinfo[0].localptr;
/* study the jump buffer */
diff = pframeinfo[0].localptr - pframeinfo[1].localptr;
framebase = pframeinfo[0].localptr;
/* following line views jump buffer as array of long int */
pout = (char **)pframeinfo[0].cxt;
pin = (char **)pframeinfo[1].cxt;
diff = pframeinfo[0].localptr - pframeinfo[1].localptr;
framebase = pframeinfo[0].localptr;
jmpmask1 = jmpmask2 = 0;
if (diff) {
for (i = 0; i < sizeof(jmp_buf)/sizeof(char *); i++, pout++, pin++) {
if ((size_t)(*pout - *pin) == diff) {
/* record frame dependency */
if (i < 32)
jmpmask1 |= 1 << i;
else
jmpmask2 |= 1 << (i-32);
if (stackdirup) {
if (framebase > *pout) {
if (framebase > *pout)
framebase = *pout;
}
} else {
if (framebase < *pout) {
if (framebase < *pout)
framebase = *pout;
}
}
}
}
}
stackbase = stackdirup ? (pframeinfo[0].localptr - framebase) : (framebase - pframeinfo[0].localptr);
if (stackdirup) {
stackbase = pframeinfo[0].localptr - framebase;
} else {
stackbase = framebase - pframeinfo[0].localptr;
}
// Clean up
gfxFree(pframeinfo);
}
#endif