diff options
Diffstat (limited to 'libgcc/generic-morestack.c')
| -rw-r--r-- | libgcc/generic-morestack.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/libgcc/generic-morestack.c b/libgcc/generic-morestack.c index f2d6d835fc4..da878640d04 100644 --- a/libgcc/generic-morestack.c +++ b/libgcc/generic-morestack.c @@ -378,7 +378,7 @@ allocate_segment (size_t frame_size) { void *guard; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ guard = space; space = (char *) space + pagesize; #else @@ -496,7 +496,7 @@ __generic_morestack_set_initial_sp (void *sp, size_t len) to the nearest 512 byte boundary. It's not essential that we be precise here; getting it wrong will just leave some stack space unused. */ -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ sp = (void *) ((((__UINTPTR_TYPE__) sp + 511U) / 512U) * 512U); #else sp = (void *) ((((__UINTPTR_TYPE__) sp - 511U) / 512U) * 512U); @@ -584,7 +584,7 @@ __generic_morestack (size_t *pframe_size, void *old_stack, size_t param_size) /* Align the returned stack to a 32-byte boundary. */ aligned = (param_size + 31) & ~ (size_t) 31; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ { char *bottom = (char *) (current + 1) + current->size; to = bottom - aligned; @@ -628,7 +628,7 @@ __generic_releasestack (size_t *pavailable) if (current != NULL) { -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ *pavailable = (char *) old_stack - (char *) (current + 1); #else *pavailable = (char *) (current + 1) + current->size - (char *) old_stack; @@ -639,7 +639,7 @@ __generic_releasestack (size_t *pavailable) size_t used; /* We have popped back to the original stack. */ -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ if ((char *) old_stack >= (char *) __morestack_initial_sp.sp) used = 0; else @@ -778,7 +778,7 @@ __generic_findstack (void *stack) && (char *) pss + pss->size > (char *) stack) { __morestack_current_segment = pss; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ return (char *) stack - (char *) (pss + 1); #else return (char *) (pss + 1) + pss->size - (char *) stack; @@ -791,7 +791,7 @@ __generic_findstack (void *stack) if (__morestack_initial_sp.sp == NULL) return 0; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ if ((char *) stack >= (char *) __morestack_initial_sp.sp) used = 0; else @@ -869,7 +869,7 @@ __splitstack_find (void *segment_arg, void *sp, size_t *len, *next_segment = (void *) (uintptr_type) 2; *next_sp = NULL; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ if ((char *) sp >= isp) return NULL; *len = (char *) isp - (char *) sp; @@ -942,7 +942,7 @@ __splitstack_find (void *segment_arg, void *sp, size_t *len, *next_sp = (void *) nsp; } -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ *len = (char *) (segment + 1) + segment->size - (char *) sp; ret = (void *) sp; #else @@ -1046,7 +1046,7 @@ __splitstack_makecontext (size_t stack_size, void *context[NUMBER_OFFSETS], segment = allocate_segment (stack_size); context[MORESTACK_SEGMENTS] = segment; context[CURRENT_SEGMENT] = segment; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ initial_sp = (void *) ((char *) (segment + 1) + segment->size); #else initial_sp = (void *) (segment + 1); @@ -1082,13 +1082,13 @@ __splitstack_resetcontext (void *context[10], size_t *size) initial_sp = context[INITIAL_SP]; initial_size = (uintptr_type) context[INITIAL_SP_LEN]; ret = initial_sp; -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ ret = (void *) ((char *) ret - initial_size); #endif } else { -#ifdef STACK_GROWS_DOWNWARD +#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__ initial_sp = (void *) ((char *) (segment + 1) + segment->size); #else initial_sp = (void *) (segment + 1); |