WIP: preparing to setup metaprogramming codegen for PS1 processors.

This commit is contained in:
2026-06-01 02:57:56 -04:00
parent 8b5fb7a5a1
commit fe4bd6d86d
11 changed files with 649 additions and 367 deletions
+143 -126
View File
@@ -3,105 +3,123 @@
# include "assert.h"
#endif
#define LP_ static // local_persist
#define internal static // internal
#define global
#define gknown
#define align_(value) __attribute__((aligned (value))) // for easy alignment
#define expect_(x, y) __builtin_expect(x, y) // so compiler knows the common path
#define FI_ static inline __attribute__((always_inline)) // force inline
#define NI_ static __attribute__((noinline)) // force no inline [used in thread api]
#define R_ __restrict // pointers are either restricted or volatile and nothing else
#define V_ volatile // pointers are either restricted or volatile and nothing else
#define glue_impl(A, B) A ## B
#define glue(A, B) glue_impl(A, B)
#define stringify_impl(S) #S
#define stringify(S) stringify_impl(S)
#define tmpl(prefix, type) prefix ## _ ## type
#define offset_of(type, member) cast(U8,__builtin_offsetof(type,member))
#define static_assert _Static_assert
#define typeof __typeof__
#define typeof_ptr(ptr) typeof((ptr)[0])
#define typeof_same(a, b) _Generic((a), typeof((b)): 1, default: 0)
#define def_R_(type) type*restrict type ## _R
#define def_V_(type) type*volatile type ## _V
#define def_ptr_set(type) def_R_(type); typedef def_V_(type)
#define def_tset(type) type; typedef def_ptr_set(type)
#define m_expand(...) __VA_ARGS__
#define glue_impl(A, B) A ## B
#define glue(A, B) glue_impl(A, B)
#define tmpl(prefix, type) prefix ## _ ## type
typedef __UINT8_TYPE__ def_tset(U1);
typedef __UINT16_TYPE__ def_tset(U2);
typedef __UINT32_TYPE__ def_tset(U4);
typedef __INT8_TYPE__ def_tset(S1);
typedef __INT16_TYPE__ def_tset(S2);
typedef __INT32_TYPE__ def_tset(S4);
typedef unsigned char def_tset(B1);
typedef __UINT16_TYPE__ def_tset(B2);
typedef __UINT32_TYPE__ def_tset(B4);
typedef __UINT64_TYPE__ def_tset(B8);
#define stringify_impl(S) #S
#define stringify(S) stringify_impl(S)
#define VA_Sel_1( _1, ... ) _1 // <-- Of all th args passed pick _1.
#define VA_Sel_2( _1, _2, ... ) _2 // <-- Of all the args passed pick _2.
#define VA_Sel_3( _1, _2, _3, ... ) _3 // etc..
#define global static // Mark global data
#define gknown // Mark global data used in procedure
#define LP_ static // static data within procedure scope
#define internal static // internal
#define asm __asm__
#define align_(value) __attribute__((aligned (value))) // for easy alignment
#define C_(type,data) ((type)(data)) // for enforced precedence
#define expect_(x, y) __builtin_expect(x, y) // so compiler knows the common path
#define I_ internal inline
#define FI_ inline __attribute__((always_inline)) // inline always
#define NI_ internal __attribute__((noinline)) // inline never
#define RO_ __attribute__((section(".rodata"))) // Read only data allocation
#define R_ restrict // pointers are either restricted or volatile and nothing else
#define V_ volatile // pointers are either restricted or volatile and nothing else
#define T_ typeof
#define T_same(a,b) _Generic((a), typeof((b)): 1, default: 0)
#define r_(ptr) C_(T_(ptr[0])*R_, ptr)
#define v_(ptr) C_(T_(ptr[0])*V_, ptr)
#define tr_(type, ptr) C_(type*R_, ptr)
#define tv_(type, ptr) C_(type*V_, ptr)
#define TypeR_(type) type*restrict type ## _R
#define TypeV_(type) type*volatile type ## _V
#define PtrSet_(type) TypeR_(type); typedef TypeV_(type)
#define TSet_(type) type; typedef PtrSet_(type)
#define array_len(a) (U8)(sizeof(a) / sizeof(typeof((a)[0])))
#define array_decl(type, ...) (type[]){__VA_ARGS__}
#define Array_sym(type,len) A ## len ## _ ## type
#define Array_expand(type,len) type Array_sym(type, len)[len]; typedef PtrSet_(Array_sym(type, len))
#define Array_(type,len) Array_expand(type,len)
#define Bit_(id,b) id = (1 << b), tmpl(id,pos) = b
#define Enum_(underlying_type, symbol) underlying_type TSet_(symbol); enum symbol
#define Proc_(symbol) symbol
#define Struct_(symbol) struct symbol TSet_(symbol); struct symbol
#define Union_(symbol) union symbol TSet_(symbol); union symbol
#define Opt_(proc) Struct_(tmpl(Opt,proc))
#define opt_(symbol, ...) (tmpl(Opt,symbol)){__VA_ARGS__}
#define Ret_(proc) Struct_(tmpl(Ret,proc))
#define ret_(proc) tmpl(Ret,proc) proc
// Using Byte-Width convention for the fundamental types.
typedef __UINT8_TYPE__ TSet_(U1);
typedef __UINT16_TYPE__ TSet_(U2);
typedef __UINT32_TYPE__ TSet_(U4);
typedef __INT8_TYPE__ TSet_(S1);
typedef __INT16_TYPE__ TSet_(S2);
typedef __INT32_TYPE__ TSet_(S4);
typedef unsigned char TSet_(B1);
typedef __UINT16_TYPE__ TSet_(B2);
typedef __UINT32_TYPE__ TSet_(B4);
#define u1_(value) C_(U1, value)
#define u2_(value) C_(U2, value)
#define u4_(value) C_(U4, value)
#define s1_(value) C_(S1, value)
#define s2_(value) C_(S2, value)
#define s4_(value) C_(S4, value)
#define u1_r(value) C_(U1*R_, value)
#define u2_r(value) C_(U2*R_, value)
#define u4_r(value) C_(U4*R_, value)
#define u1_v(value) C_(U1*V_, value)
#define u2_v(value) C_(U2*V_, value)
#define u4_v(value) C_(U4*V_, value)
enum { false = 0, true = 1, true_overflow, };
#define u1_r(value) cast(U1_R, value)
#define u2_r(value) cast(U2_R, value)
#define u4_r(value) cast(U4_R, value)
#define u1_v(value) cast(U1_V, value)
#define u2_v(value) cast(U2_V, value)
#define u4_v(value) cast(U4_V, value)
typedef void Proc_(VoidFn) (void);
#define u1_(value) cast(U1, value)
#define u2_(value) cast(U2, value)
#define u4_(value) cast(U4, value)
#define s1_(value) cast(S1, value)
#define s2_(value) cast(S2, value)
#define s4_(value) cast(S4, value)
#define kilo(n) (C_(U4, n) << 10)
#define mega(n) (C_(U4, n) << 20)
#define giga(n) (C_(U4, n) << 30)
#define tera(n) (C_(U4, n) << 40)
#define null C_(U4, 0)
#define nullptr C_(void*, 0)
#define O_(type,member) C_(U4,__builtin_offsetof(type,member))
#define S_(data) C_(U4, sizeof(data))
#define farray_len(array) (SSIZE)sizeof(array) / size_of( typeof((array)[0]))
#define farray_init(type, ...) (type[]){__VA_ARGS__}
#define def_farray_sym(_type, _len) A ## _len ## _ ## _type
#define def_farray_impl(_type, _len) _type def_farray_sym(_type, _len)[_len]; typedef def_ptr_set(def_farray_sym(_type, _len))
#define def_farray(type, len) def_farray_impl(type, len)
#define def_enum(underlying_type, symbol) underlying_type def_tset(symbol); enum symbol
#define def_struct(symbol) struct symbol def_tset(symbol); struct symbol
#define def_union(symbol) union symbol def_tset(symbol); union symbol
#define def_proc(symbol) symbol
#define opt_args(symbol, ...) &(symbol){__VA_ARGS__}
#define ret_type(type) type
#define sop_1(op,a,b) C_(U1, s1_(a) op s1_(b))
#define sop_2(op,a,b) C_(U2, s2_(a) op s2_(b))
#define sop_4(op,a,b) C_(U4, s4_(a) op s4_(b))
#define o_(field) offset_of(typeof_ptr(& field), filed))
#define alignas _Alignas
#define alignof _Alignof
#define byte_pad(amount, ...) B1 glue(_PAD_, __VA_ARGS__) [amount]
#define cast(type, data) ((type)(data))
#define pcast(type, data) (cast(type*, & (data)) [0])
#define nullptr cast(void*, 0)
#define size_of(data) cast(U4, sizeof(data))
#define r_(ptr) cast(typeof_ptr(ptr)*R_, ptr)
#define v_(ptr) cast(typeof_ptr(ptr)*V_, ptr)
#define tr_(type, ptr) cast(type*R_, ptr)
#define tv_(type, ptr) cast(type*V_, ptr)
#define kilo(n) (cast(U4, n) << 10)
#define mega(n) (cast(U4, n) << 20)
#define giga(n) (cast(U4, n) << 30)
#define tera(n) (cast(U4, n) << 40)
#define dbg_args(...) __VA_ARGS__
#define sop_1(op, a, b) cast(U1, s1_(a) op s1_(b))
#define sop_2(op, a, b) cast(U2, s2_(a) op s2_(b))
#define sop_4(op, a, b) cast(U4, s4_(a) op s4_(b))
#define def_signed_op(id, op, width) FI_ U ## width id ## _s ## width(U ## width a, U ## width b) {return sop_ ## width(op, a, b); }
#define def_signed_ops(id, op) def_signed_op(id, op, 1) def_signed_op(id, op, 2) def_signed_op(id, op, 4)
def_signed_ops(add, +) def_signed_ops(sub, -)
def_signed_ops(mut, *) def_signed_ops(div, /)
def_signed_ops(gt, >) def_signed_ops(lt, <)
def_signed_ops(ge, >=) def_signed_ops(le, <=)
#undef def_signed_op
#define def_signed_op(id,op,width) FI_ U ## width id ## _s ## width(U ## width a, U ## width b) {return sop_ ## width(op, a, b); }
#define def_signed_ops(id,op) def_signed_op(id, op, 1) def_signed_op(id, op, 2) def_signed_op(id, op, 4)
def_signed_ops(add, +)
def_signed_ops(sub, -)
def_signed_ops(mut, *)
def_signed_ops(div, /)
def_signed_ops(gt, >)
def_signed_ops(lt, <)
def_signed_ops(ge, >=)
def_signed_ops(le, <=)
#undef def_signed_ops
#undef def_signed_op
#define def_generic_sop(op, a, ...) _Generic((a), U1: op ## _s1, U2: op ## _s2, U4: op ## _s4) (a, __VA_ARGS__)
#define add_s(a,b) def_generic_sop(add,a,b)
@@ -111,6 +129,29 @@ def_signed_ops(ge, >=) def_signed_ops(le, <=)
#define lt_s(a,b) def_generic_sop(lt, a,b)
#define ge_s(a,b) def_generic_sop(ge, a,b)
#define le_s(a,b) def_generic_sop(le, a,b)
#undef def_generic_sop
#define o_(field) offset_of(typeof_ptr(& field), filed))
#define alignas _Alignas
#define alignof _Alignof
#define byte_pad(amount, ...) B1 glue(_PAD_, __VA_ARGS__) [amount]
#define pcast(type, data) (C_(type*, & (data)) [0])
#define dbg_args(...) __VA_ARGS__
#pragma region Control Flow & Iteration
#define each_iter(type, iter, end) (type iter = 0; iter < end; ++ iter)
#define index_iter(type, iter, begin, op, end) (type iter = begin; iter op end; (begin < end ? ++ iter : -- iter))
#define range_iter(iter,op,range) (T_((range).p0) iter = (range).p0; iter op (range).p1; ((range).p0 < (range).p1 ? ++ iter : -- iter))
#define defer(expr) for(U4 once= 1; once!=1;++ once,(expr)) // Basic do something after body
#define scope(begin,end) for(U4 once=(1,(begin)); once!=1;++ once,(end )) // Do things before or after a scope
#define defer_rewind(cursor) for(T_(cursor) sp=cursor,once=0; once!=1;++ once,cursor=sp) // Used with arenas/stacks
#define defer_info(type,expr, ...) for(type info= {__VA_ARGS__}; info.once!=1;++info.once,(expr)) // Defer with tracked state
#define do_while(cond) for (U8 once=0; once!=1 || (cond); ++once)
#pragma endregion Control Flow & Iteration
#define span_iter(type, iter, m_begin, op, m_end) ( \
tmpl(Iter_Span,type) iter = { \
@@ -119,44 +160,20 @@ def_signed_ops(ge, >=) def_signed_ops(le, <=)
iter.cursor op iter.r.end; \
++ iter.cursor \
)
#define def_span(type) \
def_struct(tmpl( Span,type)) { type begin; type end; }; \
typedef def_struct(tmpl(Iter_Span,type)) { tmpl(Span,type) r; type cursor; }
#define Span_(type) \
Struct_(tmpl( Span,type)) { type begin; type end; }; \
typedef Struct_(tmpl(Iter_Span,type)) { tmpl(Span,type) r; type cursor; }
typedef def_span(S4);
typedef def_span(U4);
typedef Span_(S4);
typedef Span_(U4);
typedef void def_proc(VoidFn) (void);
typedef unsigned char def_tset(UTF8);
typedef def_struct(Str8) { UTF8* ptr; U4 len; }; typedef Str8 def_tset(Slice_UTF8);
typedef def_struct(Slice_Str8) { Str8* ptr; U4 len; };
#define txt(string_literal) (Str8){ (UTF8*) string_literal, size_of(string_literal) - 1 }
#define def_Slice(type) def_struct(tmpl(Slice,type)) { type* ptr; U4 len; }
#define slice_assert(slice) do { assert((slice).ptr != nullptr); assert((slice).len > 0); } while(0)
#define slice_end(slice) ((slice).ptr + (slice).len)
#define size_of_slice_type(slice) size_of((slice).ptr[0])
typedef def_Slice(void);
typedef def_Slice(B1);
#define slice_byte(slice) ((Slice_B1){cast(B1*, (slice).ptr), (slice).len * size_of_slice_type(slice)})
#define slice_fmem(mem) ((Slice_B1){ mem, size_of(mem) })
void slice__copy(Slice_B1 dest, U4 dest_typewidth, Slice_B1 src, U4 src_typewidth);
void slice__zero(Slice_B1 mem, U4 typewidth);
#define slice_copy(dest, src) do { \
static_assert(typeof_same(dest, src)); \
slice__copy(slice_byte(dest), size_of_slice_type(dest), slice_byte(src), size_of_slice_type(src)); \
} while (0)
#define slice_zero(slice) slice__zero(slice_byte(slice), size_of_slice_type(slice))
#define slice_iter(container, iter) ( \
typeof((container).ptr) iter = (container).ptr; \
iter != slice_end(container); \
++ iter \
)
#define slice_from_farray(type, ...) & (tmpl(Slice,type)) { \
.ptr = farray_init(type, __VA_ARGS__), \
.len = farray_len( farray_init(type, __VA_ARGS__)) \
}
#if 0
#pragma region Debug
#define debug_trap() __builtin_debugtrap()
#if BUILD_DEBUG
IA_ void assert(U8 cond) { if(cond){return;} else{debug_trap(); ms_exit_process(1);} }
#else
#define assert(cond)
#endif
#pragma endregion Debug
#endif