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| author | Roland McGrath <roland@gnu.org> | 1994-04-20 02:59:06 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1994-04-20 02:59:06 +0000 |
| commit | f1d9a6fa44ecfe6ea1192cebfa6dd42c4734066c (patch) | |
| tree | bf224a1a669d114b87151b40270cfdcc2574a0c6 /mach | |
| parent | 3bb0e69c672e4537a26a36fbe5de4300c33968d4 (diff) | |
Formerly ../mach/setup-thread.c.~7~
Diffstat (limited to 'mach')
| -rw-r--r-- | mach/setup-thread.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mach/setup-thread.c b/mach/setup-thread.c index 5953e32372..0c855f7259 100644 --- a/mach/setup-thread.c +++ b/mach/setup-thread.c @@ -41,7 +41,11 @@ __mach_setup_thread (task_t task, thread_t thread, void *pc) be left, however, in order to confuse people who wonder why its here. (Though perhaps that last sentence (and this one) should be deleted to maximize the effect.) */ +#ifdef STACK_GROWTH_DOWN stack = VM_MAX_ADDRESS - STACK_SIZE - __vm_page_size; +#else + stack = VM_MIN_ADDRESS; +#endif if (error = __vm_allocate (task, &stack, STACK_SIZE + __vm_page_size, 0)) return error; @@ -52,7 +56,13 @@ __mach_setup_thread (task_t task, thread_t thread, void *pc) memset (&ts, 0, sizeof (ts)); ts.PC = (int) pc; +#ifdef STACK_GROWTH_DOWN ts.SP = stack + STACK_SIZE; +#elif defined (STACK_GROWTH_UP) + ts.SP = stack; +#else + #error stack direction unknown +#endif return __thread_set_state (thread, MACHINE_THREAD_STATE_FLAVOR, (int *) &ts, tssize); |