// memory defs #ifndef MAP_NORESERVE #define MAP_NORESERVE 0 // apparently needed for freebsd or something #endif static void storeu_u64(void* p, u64 v) { memcpy(p, &v, 8); } static u64 loadu_u64(void* p) { u64 v; memcpy(&v, p, 8); return v; } static void storeu_u32(void* p, u32 v) { memcpy(p, &v, 4); } static u32 loadu_u32(void* p) { u32 v; memcpy(&v, p, 4); return v; } static void storeu_u16(void* p, u16 v) { memcpy(p, &v, 2); } static u16 loadu_u16(void* p) { u16 v; memcpy(&v, p, 2); return v; } #define ptr_roundUp(P, N) ({ AUTO p_ = (P); u64 n_ = (N); TOPTR(typeof(*p_), (ptr2u64(p_)+n_-1) & ~(n_-1)); }) #define ptr_roundUpToEl(P) ({ AUTO p2_ = (P); ptr_roundUp(p2_, _Alignof(typeof(*p2_))); }) void print_allocStats(void); void vm_pstLive(void); typedef struct CustomObj { struct Value; V2v visit; V2v freeO; } CustomObj; void* m_customObj(u64 size, V2v visit, V2v freeO); // shape mess typedef struct ShArr { struct Value; usz a[]; } ShArr; static ShArr* shObjS(usz* x) { return RFLD(x, ShArr, a); } static ShArr* shObj (B x) { return RFLD(SH(x), ShArr, a); } static ShArr* shObjP(Value* x) { return RFLD(PSH((Arr*)x), ShArr, a); } static void decShObj(ShArr* x) { tptr_dec(x, mm_free); } static void decSh(Value* x) { if (RARE(PRNK(x)>1)) decShObj(shObjP(x)); } // some array stuff typedef void (*M_CopyF)(void*, usz, B, usz, usz); typedef void (*M_FillF)(void*, usz, B, usz); extern INIT_GLOBAL M_CopyF copyFns[el_MAX]; extern INIT_GLOBAL M_FillF fillFns[el_MAX]; #define COPY_TO(WHERE, ELT, MS, X, XS, LEN) copyFns[ELT](WHERE, MS, X, XS, LEN) #define FILL_TO(WHERE, ELT, MS, X, LEN) fillFns[ELT](WHERE, MS, X, LEN) #define TYARR_SZ(T,IA) fsizeof(TyArr, a, T##Atom, (u64)(IA)) #define TYARR_SZ2(T,IA) TYARR_SZ(T,IA) #define TYARR_SZW(W,IA) (offsetof(TyArr, a) + (W)*(IA)) #define WRAP(X,IA,MSG) ({ i64 wV=(i64)(X); u64 iaW=(IA); if(RARE((u64)wV >= iaW)) { if(wV<0) wV+= iaW; if((u64)wV >= iaW) {MSG;} }; (usz)wV; }) static inline void* m_arrUnchecked(u64 sz, u8 type, usz ia) { Arr* r = mm_alloc(sz, type); r->ia = ia; return r; } SHOULD_INLINE void arr_check_size(u64 sz, u8 type, usz ia); SHOULD_INLINE void* m_arr(u64 sz, u8 type, usz ia) { arr_check_size(sz, type, ia); return m_arrUnchecked(sz, type, ia); } static ShArr* m_shArr(ur r) { assert(r>1); return ((ShArr*)mm_alloc(fsizeof(ShArr, a, usz, r), t_shape)); } FORCE_INLINE Arr* arr_rnk01(Arr* x, ur xr) { assert(xr<=1); SPRNK(x, xr); x->sh = &x->ia; return x; } static Arr* arr_shAtm(Arr* x) { return arr_rnk01(x, 0); } static Arr* arr_shVec(Arr* x) { return arr_rnk01(x, 1); } static usz* arr_shAlloc(Arr* x, ur r) { // sets rank, allocates & returns shape (or null if r<2); assumes x has rank≤1 (which will be the case for new allocations) assert(PRNK(x)<=1); if (r<=1) { arr_rnk01(x, r); return NULL; } else { usz* sh = x->sh = m_shArr(r)->a; // if m_shArr fails, the assumed rank≤1 guarantees the uninitialized x->sh won't break SPRNK(x,r); assert(sh!=NULL); return sh; } } static Arr* arr_shSetI(Arr* x, ur r, ShArr* sh) { // set rank and assign and increment shape if needed SPRNK(x,r); if (r>1) x->sh = ptr_inc(sh)->a; else x->sh = &x->ia; return x; } static Arr* arr_shSetUO(Arr* x, ur r, ShArr* sh) { // set rank, and consume & assign shape if r>1 SPRNK(x,r); if (r>1) x->sh = sh->a; else x->sh = &x->ia; return x; } static Arr* arr_shSetUG(Arr* x, ur r, ShArr* sh) { // arr_shSetUO but guaranteed r>1, i.e. always consumes sh assert(r>1); SPRNK(x,r); x->sh = sh->a; return x; } static Arr* arr_shCopyUnchecked(Arr* n, B o) { ur r = SPRNK(n,RNK(o)); if (r<=1) { n->sh = &n->ia; } else { usz* sh = SH(o); ptr_inc(shObjS(sh)); n->sh = sh; } return n; } static Arr* arr_shErase(Arr* x, ur r) { // replace x's shape with rank 0 or 1 assert(r<=1); u8 xr = PRNK(x); if (xr!=r) { usz* prevsh = x->sh; arr_rnk01(x, r); if (xr>1) decShObj(shObjS(prevsh)); } return x; } static Arr* arr_shReplace(Arr* x, ur r, ShArr* sh) { // replace x's shape with a new one; assumes r>1, but PRNK(x) can be anything assert(r>1); usz* prevsh = x->sh; u8 xr = PRNK(x); SPRNK(x, r); x->sh = sh->a; if (xr>1) decShObj(shObjS(prevsh)); return x; } static Arr* arr_shCopy(Arr* n, B o) { // copy shape & rank from o to n assert(isArr(o) && IA(o)==n->ia); return arr_shCopyUnchecked(n, o); } static void shcpy(usz* dst, usz* src, ux len) { PLAINLOOP for (ux i = 0; i < len; i++) dst[i] = src[i]; } static usz shProd(usz* sh, usz s, usz e) { usz r = 1; PLAINLOOP for (i32 i = s; i < e; i++) r*= sh[i]; return r; } static usz arr_csz(B x) { ur xr = RNK(x); if (xr<=1) return 1; return shProd(SH(x), 1, xr); } static bool eqShPart(usz* w, usz* x, usz len) { PLAINLOOP for (i32 i = 0; i < len; i++) if (w[i]!=x[i]) return false; return true; } static bool ptr_eqShape(usz* wsh, ur wr, usz* xsh, ur xr) { if (wr != xr) return false; return eqShPart(wsh, xsh, wr); } static bool eqShape(B w, B x) { assert(isArr(w) && isArr(x)); return ptr_eqShape(SH(w), RNK(w), SH(x), RNK(x)); } B bit_sel(B b, B e0, B e1); // consumes b; b must be bitarr; b⊏e0‿e1 Arr* allZeroes(usz ia); // ia⥊0 with undefined shape Arr* allOnes(usz ia); // ia⥊1 with undefined shape Arr* reshape_one(usz nia, B x); // nia⥊1, shape must be set NOINLINE Arr* emptyWithFill(B fill); // consumes; returns new array with unset shape and the specified fill B m_vec1(B a); // complete fills B m_vec2(B a, B b); // incomplete fills // random stuff #define addOn(V,X) ({ AUTO v_ = &(V); __builtin_add_overflow(*v_, X, v_); }) #define mulOn(V,X) ({ AUTO v_ = &(V); __builtin_mul_overflow(*v_, X, v_); }) static usz uszMul(usz a, usz b) { if (mulOn(a, b)) thrM("Size too large"); return a; } static u8 selfElType(B x) { // guaranteed to fit fill if (isF64(x)) { if (!q_i32(x)) return el_f64; i32 i = o2iG(x); return i==(i8)i? (i==(i&1)? el_bit : el_i8) : (i==(i16)i? el_i16 : el_i32); } if (isC32(x)) { u32 c = o2cG(x); return LIKELY(c<=255)? el_c8 : c<=65535? el_c16 : el_c32; } return el_B; } static bool elChr(u8 x) { return x>=el_c8 && x<=el_c32; } static bool elNum(u8 x) { return x<=el_f64; } static bool elInt(u8 x) { return x<=el_i32; } // string stuff B vec_addN(B w, B x); // consumes both; fills may be wrong B vec_join(B w, B x); // consumes both i32 num_fmt(char buf[30], f64 x); #define NUM_FMT_BUF(N,X) char N[30]; num_fmt(N, X); B append_fmt(B s, char* p, ...); B make_fmt(char* p, ...); void print_fmt(char* p, ...); void fprint_fmt(FILE* f, char* p, ...); #define AJOIN(X) s = vec_join(s,X) // consumes X #define AOBJ(X) s = vec_addN(s,X) // consumes X #define ACHR(X) AOBJ(m_c32(X)) #define A8(X) AJOIN(m_c8vec_0(X)) #define AU(X) AJOIN(utf8Decode0(X)) #define AFMT(...) s = append_fmt(s, __VA_ARGS__) // function stuff #define C1(F, X) F##_c1(m_f64(0), X) #define C2(F,W,X) F##_c2(m_f64(0),W,X) char* type_repr(u8 u); char* pfn_repr(u8 u); char* pm1_repr(u8 u); char* pm2_repr(u8 u); char* eltype_repr(u8 u); char* genericDesc(B x); // doesn't consume bool isPureFn(B x); // doesn't consume bool isStr(B x); // doesn't consume; returns if x is a rank 1 array of characters (includes any empty array) B bqn_merge(B x, u32 type); // consumes B any_squeeze(B x); // consumes; accepts any array, returns one with the smallest type (doesn't recurse!) B squeeze_deep(B x); // consumes; accepts any object, returns an object with all parts necessary for equality checking & hashing squeezed; if this function errors due to OOM, the argument won't yet be consumed B num_squeeze(B x); // consumes; see note below B chr_squeeze(B x); // consumes; see note below // Note that num_squeeze & chr_squeeze don't check for fl_squoze, and unconditionally set it. Thus, don't call it on an array if it could be squeezable by the opposite method. // or, if you do want to, if TI(x,elType) isn't of the squeezed type, either remove fl_squoze or call the other squeeze function. // The functions below can be used as direct replacements of (num|chr)_squeeze if the argument might already be squeezed. static inline B num_squeezeChk(B x) { return FL_HAS(x,fl_squoze)? x : num_squeeze(x); } static inline B chr_squeezeChk(B x) { return FL_HAS(x,fl_squoze)? x : chr_squeeze(x); } B def_fn_uc1(B t, B o, B x); B def_fn_ucw(B t, B o, B w, B x); B def_m1_uc1(Md1* t, B o, B f, B x); B def_m1_ucw(Md1* t, B o, B f, B w, B x); B def_m2_uc1(Md2* t, B o, B f, B g, B x); B def_m2_ucw(Md2* t, B o, B f, B g, B w, B x); B def_fn_is(B t, B x); B def_fn_im(B t, B x); B def_m1_im(Md1D* d, B x); B def_m2_im(Md2D* d, B x); B def_fn_iw(B t, B w, B x); B def_m1_iw(Md1D* d, B w, B x); B def_m2_iw(Md2D* d, B w, B x); B def_fn_ix(B t, B w, B x); B def_m1_ix(Md1D* d, B w, B x); B def_m2_ix(Md2D* d, B w, B x); B def_decompose(B x); void noop_visit(Value* x); #if HEAP_VERIFY void arr_visit(Value* x); #define VISIT_SHAPE(X) ({ if (PRNK(X)>1) mm_visitP(shObjP(X)); }) #else #define arr_visit noop_visit #define VISIT_SHAPE(X) #endif #define ICMP(W,X) ({ AUTO wt = (W); AUTO xt = (X); (wt>xt?1:0)-(wtx) - !(w>=x); // slightly better codegen from being able to reuse the same compare instruction #else return (w>x) - (wx, 0 if w≡x if (isNum(w) & isNum(x)) return compareFloat(o2fG(w), o2fG(x)); if (isC32(w) & isC32(x)) return ICMP(o2cG(w), o2cG(x)); return compareF(w, x); } NOINLINE bool atomEqualF(B w, B x); static bool atomEqual(B w, B x) { // doesn't consume if(isF64(w)&isF64(x)) return w.f==x.f; if (w.u==x.u) return true; if (!isVal(w) | !isVal(x)) return false; return atomEqualF(w, x); } NOINLINE usz depthF(B x); static usz depth(B x) { // doesn't consume if (isAtm(x)) return 0; if (TI(x,arrD1)) return 1; return depthF(x); } #if USE_VALGRIND #include "../utils/valgrind.h" #else #define vg_def_p(X, L) #define vg_undef_p(X, L) #define vg_def_v(X) (X) #define vg_undef_v(X) (X) #endif // call stuff NORETURN B c1_bad(B f, B x); NORETURN B c2_bad(B f, B w, B x); NORETURN B m1c1_bad(Md1D* d, B x); NORETURN B m1c2_bad(Md1D* d, B w, B x); NORETURN B m2c1_bad(Md2D* d, B x); NORETURN B m2c2_bad(Md2D* d, B w, B x); B md_c1(B t, B x); B md_c2(B t, B w, B x); B arr_c1(B t, B x); B arr_c2(B t, B w, B x); static FC1 c1fn(B f) { if (isFun(f)) return c(Fun,f)->c1; if (isMd(f)) return md_c1; return arr_c1; } static FC2 c2fn(B f) { if (isFun(f)) return c(Fun,f)->c2; if (isMd(f)) return md_c2; return arr_c2; } // alloc stuff #if ALLOC_STAT extern GLOBAL u64* ctr_a; extern GLOBAL u64* ctr_f; extern GLOBAL u64 actrc; extern GLOBAL u64 talloc; #if ALLOC_SIZES extern GLOBAL u32** actrs; #endif #endif #ifdef OOM_TEST extern GLOBAL i64 oomTestLeft; NOINLINE NORETURN void thrOOMTest(void); #endif #ifdef GC_EVERY_NTH_ALLOC extern GLOBAL u64 gc_depth; extern GLOBAL u64 nth_alloc; #endif FORCE_INLINE void preAlloc(usz sz, u8 type) { #ifdef OOM_TEST if (--oomTestLeft==0) thrOOMTest(); #endif #ifdef GC_EVERY_NTH_ALLOC #if GC_EVERY_NTH_ALLOC<=1 if (gc_depth==0) gc_forceGC(false); #else if (gc_depth==0 && --nth_alloc == 0) { gc_forceGC(false); nth_alloc = GC_EVERY_NTH_ALLOC; } #endif #endif #if ALLOC_STAT if (!ctr_a) { #if ALLOC_SIZES actrs = malloc(sizeof(u32*)*actrc); for (i32 i = 0; i < actrc; i++) actrs[i] = calloc(t_COUNT, sizeof(u32)); #endif ctr_a = calloc(t_COUNT, sizeof(u64)); ctr_f = calloc(t_COUNT, sizeof(u64)); } assert(type=actrc? actrc-1 : (sz+3)/4][type]++; #endif ctr_a[type]++; talloc+= sz; #endif } #if VERIFY_TAIL void tailVerifyAlloc(void* ptr, u64 origSz, i64 logAlloc, u8 type); void tailVerifyFree(void* ptr); void tailVerifyReinit(void* ptr, u64 s, u64 e); #define FINISH_OVERALLOC(P, S, E) tailVerifyReinit(P, S, E) #else #define FINISH_OVERALLOC(P, S, E) #endif #define FINISH_OVERALLOC_A(A, S, L) FINISH_OVERALLOC(a(A), offsetof(TyArr,a)+(S), offsetof(TyArr,a)+(S)+(L)); FORCE_INLINE void preFree(Value* x, bool mmx) { #if ALLOC_STAT ctr_f[x->type]++; #endif #if VERIFY_TAIL if (!mmx) tailVerifyFree(x); #endif #if DEBUG if (x->type==t_empty) fatal("double-free"); // u32 undef; // x->refc = undef; x->refc = -1431655000; #endif // x->refc = 0x61616161; }