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/* runtime.def -- Definitions for D runtime functions.
Copyright (C) 2014-2023 Free Software Foundation, Inc.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* D runtime library functions. */
/* DEF_D_RUNTIME (CODE, NAME, FLAGS)
CODE The enum code used to refer to this function.
NAME The name of this function as a string.
FLAGS ECF flags to describe attributes of the function.
Used for declaring functions that are called by generated code. Most are
extern(C) - for those that are not, ensure to use correct mangling. */
/* Helper macros for parameter building. */
#define P0() 0
#define P1(T1) 1, LCT_ ## T1
#define P2(T1, T2) \
2, LCT_ ## T1, LCT_ ## T2
#define P3(T1, T2, T3) \
3, LCT_ ## T1, LCT_ ## T2, LCT_ ## T3
#define P4(T1, T2, T3, T4) \
4, LCT_ ## T1, LCT_ ## T2, LCT_ ## T3, LCT_ ## T4
#define P5(T1, T2, T3, T4, T5) \
5, LCT_ ## T1, LCT_ ## T2, LCT_ ## T3, LCT_ ## T4, LCT_ ## T5
#define RT(T1) LCT_ ## T1
/* Used when an assert() contract fails. */
DEF_D_RUNTIME (ASSERTP, "_d_assertp", RT(VOID), P2(IMMUTABLE_CHARPTR, UINT),
ECF_NORETURN)
DEF_D_RUNTIME (ASSERT_MSG, "_d_assert_msg", RT(VOID), P3(STRING, STRING, UINT),
ECF_NORETURN)
/* Used when an assert() contract fails in a unittest function. */
DEF_D_RUNTIME (UNITTESTP, "_d_unittestp", RT(VOID), P2(IMMUTABLE_CHARPTR, UINT),
ECF_NORETURN)
DEF_D_RUNTIME (UNITTEST_MSG, "_d_unittest_msg", RT(VOID),
P3(STRING, STRING, UINT), ECF_NORETURN)
/* Used when an array index outside the bounds of its range. */
DEF_D_RUNTIME (ARRAYBOUNDSP, "_d_arrayboundsp", RT(VOID),
P2(IMMUTABLE_CHARPTR, UINT), ECF_NORETURN)
DEF_D_RUNTIME (ARRAYBOUNDS_SLICEP, "_d_arraybounds_slicep", RT(VOID),
P5(IMMUTABLE_CHARPTR, UINT, SIZE_T, SIZE_T, SIZE_T),
ECF_NORETURN)
DEF_D_RUNTIME (ARRAYBOUNDS_INDEXP, "_d_arraybounds_indexp", RT(VOID),
P4(IMMUTABLE_CHARPTR, UINT, SIZE_T, SIZE_T), ECF_NORETURN)
/* Used when calling delete on a stack-allocated class or interface. */
DEF_D_RUNTIME (CALLFINALIZER, "_d_callfinalizer", RT(VOID), P1(VOIDPTR), 0)
DEF_D_RUNTIME (CALLINTERFACEFINALIZER, "_d_callinterfacefinalizer", RT(VOID),
P1(VOIDPTR), 0)
/* Used for casting to a class or interface. */
DEF_D_RUNTIME (DYNAMIC_CAST, "_d_dynamic_cast", RT(OBJECT),
P2(OBJECT, CLASSINFO), 0)
DEF_D_RUNTIME (INTERFACE_CAST, "_d_interface_cast", RT(OBJECT),
P2(OBJECT, CLASSINFO), 0)
/* Used when calling new on a pointer. The `i' variant is for when the
initializer is nonzero. */
DEF_D_RUNTIME (NEWITEMT, "_d_newitemT", RT(VOIDPTR), P1(CONST_TYPEINFO), 0)
DEF_D_RUNTIME (NEWITEMIT, "_d_newitemiT", RT(VOIDPTR), P1(CONST_TYPEINFO), 0)
/* Used when calling new on an array. The `i' variant is for when the
initializer is nonzero, and the `m' variant is when initializing a
multi-dimensional array. */
DEF_D_RUNTIME (NEWARRAYT, "_d_newarrayT", RT(ARRAY_VOID),
P2(CONST_TYPEINFO, SIZE_T), 0)
DEF_D_RUNTIME (NEWARRAYIT, "_d_newarrayiT", RT(ARRAY_VOID),
P2(CONST_TYPEINFO, SIZE_T), 0)
DEF_D_RUNTIME (NEWARRAYMTX, "_d_newarraymTX", RT(ARRAY_VOID),
P2(CONST_TYPEINFO, ARRAY_SIZE_T), 0)
DEF_D_RUNTIME (NEWARRAYMITX, "_d_newarraymiTX", RT(ARRAY_VOID),
P2(CONST_TYPEINFO, ARRAY_SIZE_T), 0)
/* Used for allocating an array literal on the GC heap. */
DEF_D_RUNTIME (ARRAYLITERALTX, "_d_arrayliteralTX", RT(VOIDPTR),
P2(CONST_TYPEINFO, SIZE_T), 0)
/* Used for value equality (x == y) and comparisons (x < y) of non-trivial
arrays. Such as an array of structs or classes. */
DEF_D_RUNTIME (ADEQ2, "_adEq2", RT(INT),
P3(ARRAY_VOID, ARRAY_VOID, CONST_TYPEINFO), 0)
/* Used for (array.length = n) expressions. The `i' variant is for when the
initializer is nonzero. */
DEF_D_RUNTIME (ARRAYSETLENGTHT, "_d_arraysetlengthT", RT(ARRAY_VOID),
P3(CONST_TYPEINFO, SIZE_T, ARRAYPTR_VOID), 0)
DEF_D_RUNTIME (ARRAYSETLENGTHIT, "_d_arraysetlengthiT", RT(ARRAY_VOID),
P3(CONST_TYPEINFO, SIZE_T, ARRAYPTR_VOID), 0)
/* Used for allocating closures on the GC heap. */
DEF_D_RUNTIME (ALLOCMEMORY, "_d_allocmemory", RT(VOIDPTR), P1(SIZE_T),
ECF_MALLOC)
/* Used for copying an array into a slice, adds an enforcment that the source
and destination are equal in size and do not overlap. */
DEF_D_RUNTIME (ARRAYCOPY, "_d_arraycopy", RT(ARRAY_VOID),
P3(SIZE_T, ARRAY_VOID, ARRAY_VOID), 0)
/* Used for concatenating two or more arrays together. Then `n' variant is
for when there is more than two arrays to handle. */
DEF_D_RUNTIME (ARRAYCATT, "_d_arraycatT", RT(ARRAY_BYTE),
P3(CONST_TYPEINFO, ARRAY_BYTE, ARRAY_BYTE), 0)
DEF_D_RUNTIME (ARRAYCATNTX, "_d_arraycatnTX", RT(ARRAY_VOID),
P2(CONST_TYPEINFO, ARRAYARRAY_BYTE), 0)
/* Used for appending a single element to an array. */
DEF_D_RUNTIME (ARRAYAPPENDCTX, "_d_arrayappendcTX", RT(ARRAY_BYTE),
P3(CONST_TYPEINFO, ARRAYPTR_BYTE, SIZE_T), 0)
/* Same as appending a single element to an array, but specific for when the
source is a UTF-32 character, and the destination is a UTF-8 or 16 array. */
DEF_D_RUNTIME (ARRAYAPPENDCD, "_d_arrayappendcd", RT(ARRAY_VOID),
P2(ARRAYPTR_BYTE, DCHAR), 0)
DEF_D_RUNTIME (ARRAYAPPENDWD, "_d_arrayappendwd", RT(ARRAY_VOID),
P2(ARRAYPTR_BYTE, DCHAR), 0)
/* Used for allocating a new associative array. */
DEF_D_RUNTIME (ASSOCARRAYLITERALTX, "_d_assocarrayliteralTX", RT(VOIDPTR),
P3(CONST_TYPEINFO, ARRAY_VOID, ARRAY_VOID), 0)
DEF_D_RUNTIME (AANEW, "_aaNew", RT(VOIDPTR), P1(CONST_TYPEINFO), 0)
/* Used for value equality of two associative arrays. */
DEF_D_RUNTIME (AAEQUAL, "_aaEqual", RT(INT),
P3(CONST_TYPEINFO, ASSOCARRAY, ASSOCARRAY), 0)
/* Used to determine is a key exists in an associative array. */
DEF_D_RUNTIME (AAINX, "_aaInX", RT(VOIDPTR),
P3(ASSOCARRAY, CONST_TYPEINFO, VOIDPTR), 0)
/* Used to retrieve a value from an associative array index by a key. The
`Rvalue' variant returns null if the key is not found, where as aaGetY
will create new key entry for assignment. */
DEF_D_RUNTIME (AAGETY, "_aaGetY", RT(VOIDPTR),
P4(POINTER_ASSOCARRAY, CONST_TYPEINFO, SIZE_T, VOIDPTR), 0)
DEF_D_RUNTIME (AAGETRVALUEX, "_aaGetRvalueX", RT(VOIDPTR),
P4(ASSOCARRAY, CONST_TYPEINFO, SIZE_T, VOIDPTR), 0)
/* Used when calling delete on a key entry in an associative array. */
DEF_D_RUNTIME (AADELX, "_aaDelX", RT(BOOL),
P3(ASSOCARRAY, CONST_TYPEINFO, VOIDPTR), 0)
/* Used for throw() expressions. */
DEF_D_RUNTIME (THROW, "_d_throw", RT(VOID), P1(OBJECT), ECF_NORETURN)
DEF_D_RUNTIME (BEGIN_CATCH, "__gdc_begin_catch", RT(VOIDPTR), P1(VOIDPTR), 0)
/* C++ exception handlers. */
DEF_D_RUNTIME (CXA_BEGIN_CATCH, "__cxa_begin_catch", RT(VOIDPTR), P1(VOIDPTR),
ECF_NOTHROW)
DEF_D_RUNTIME (CXA_END_CATCH, "__cxa_end_catch", RT(VOID), P0(), 0)
/* When invariant() contracts are turned on, used after testing whether a
class != null for validating the state of a class. */
DEF_D_RUNTIME (INVARIANT, "_D9invariant12_d_invariantFC6ObjectZv", RT(VOID),
P1(OBJECT), 0)
#undef P0
#undef P1
#undef P2
#undef P3
#undef P4
#undef P5
#undef RT
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