X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Falloc.c;h=d40c2722e569df9733f39b31f2919c35cace7852;hb=c8218514d751c4d777892b79bbf1ca6597f731c0;hp=ae9fc67e1e92cbc6af5a07876efd32d1b1b70ed2;hpb=a530bbe337109d898d5b4a001fc8f1afa3b5dc39;p=sbcl.git diff --git a/src/runtime/alloc.c b/src/runtime/alloc.c index ae9fc67..d40c272 100644 --- a/src/runtime/alloc.c +++ b/src/runtime/alloc.c @@ -13,38 +13,27 @@ * files for more information. */ -/* - * $Header$ - */ - #include "runtime.h" #include "sbcl.h" #include "alloc.h" #include "globals.h" #include "gc.h" +#include -#ifdef ibmrt -#define GET_FREE_POINTER() ((lispobj *)SymbolValue(ALLOCATION_POINTER)) +#define GET_FREE_POINTER() dynamic_space_free_pointer #define SET_FREE_POINTER(new_value) \ - (SetSymbolValue(ALLOCATION_POINTER,(lispobj)(new_value))) -#define GET_GC_TRIGGER() ((lispobj *)SymbolValue(INTERNAL_GC_TRIGGER)) -#define SET_GC_TRIGGER(new_value) \ - (SetSymbolValue(INTERNAL_GC_TRIGGER,(lispobj)(new_value))) -#else -#define GET_FREE_POINTER() current_dynamic_space_free_pointer -#define SET_FREE_POINTER(new_value) \ - (current_dynamic_space_free_pointer = (new_value)) + (dynamic_space_free_pointer = (new_value)) #define GET_GC_TRIGGER() current_auto_gc_trigger #define SET_GC_TRIGGER(new_value) \ clear_auto_gc_trigger(); set_auto_gc_trigger(new_value); -#endif #define ALIGNED_SIZE(n) (n+lowtag_Mask) & ~lowtag_Mask -#if defined(WANT_CGC) || defined(GENCGC) +#if defined GENCGC extern lispobj *alloc(int bytes); #else -static lispobj *alloc(int bytes) +static lispobj * +alloc(int bytes) { lispobj *result; @@ -52,29 +41,29 @@ static lispobj *alloc(int bytes) bytes = (bytes + lowtag_Mask) & ~lowtag_Mask; result = GET_FREE_POINTER(); + SET_FREE_POINTER(result + (bytes / sizeof(lispobj))); if (GET_GC_TRIGGER() && GET_FREE_POINTER() > GET_GC_TRIGGER()) { SET_GC_TRIGGER((char *)GET_FREE_POINTER() - (char *)current_dynamic_space); } - return result; } #endif -static lispobj *alloc_unboxed(int type, int words) +static lispobj * +alloc_unboxed(int type, int words) { lispobj *result; result = alloc(ALIGNED_SIZE((1 + words) * sizeof(lispobj))); - *result = (lispobj) (words << type_Bits) | type; - return result; } -static lispobj alloc_vector(int type, int length, int size) +static lispobj +alloc_vector(int type, int length, int size) { struct vector *result; @@ -87,7 +76,8 @@ static lispobj alloc_vector(int type, int length, int size) return ((lispobj)result)|type_OtherPointer; } -lispobj alloc_cons(lispobj car, lispobj cdr) +lispobj +alloc_cons(lispobj car, lispobj cdr) { struct cons *ptr = (struct cons *)alloc(ALIGNED_SIZE(sizeof(struct cons))); @@ -97,7 +87,8 @@ lispobj alloc_cons(lispobj car, lispobj cdr) return (lispobj)ptr | type_ListPointer; } -lispobj alloc_number(long n) +lispobj +alloc_number(long n) { struct bignum *ptr; @@ -112,11 +103,12 @@ lispobj alloc_number(long n) } } -lispobj alloc_string(char *str) +lispobj +alloc_string(char *str) { int len = strlen(str); lispobj result = alloc_vector(type_SimpleString, len+1, 8); - struct vector *vec = (struct vector *)PTR(result); + struct vector *vec = (struct vector *)native_pointer(result); vec->length = make_fixnum(len); strcpy((char *)vec->data, str); @@ -124,18 +116,13 @@ lispobj alloc_string(char *str) return result; } -lispobj alloc_sap(void *ptr) +lispobj +alloc_sap(void *ptr) { - /* FIXME: It would probably be good to grep for "alpha" everywhere - * and replace this kind of weirdness with nicer parameterizations - * like N_WORDS_IN_POINTER. However, it might be hard to do this - * well enough to be useful without an Alpha to test on. What to do? */ -#ifndef alpha - struct sap *sap = (struct sap *)alloc_unboxed(type_Sap, 1); -#else - struct sap *sap = (struct sap *)alloc_unboxed(type_Sap, 3); -#endif + int n_words_to_alloc = + (sizeof(struct sap) - sizeof(lispobj)) / sizeof(u32); + struct sap *sap = + (struct sap *)alloc_unboxed((int)type_Sap, n_words_to_alloc); sap->pointer = ptr; - return (lispobj) sap | type_OtherPointer; }