312 lines
12 KiB
C
312 lines
12 KiB
C
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//
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// m3_core.h
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//
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// Created by Steven Massey on 4/15/19.
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// Copyright © 2019 Steven Massey. All rights reserved.
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//
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#ifndef m3_core_h
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#define m3_core_h
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <assert.h>
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#include "wasm3.h"
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#include "m3_config.h"
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# if defined(__cplusplus)
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# define d_m3BeginExternC extern "C" {
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# define d_m3EndExternC }
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# else
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# define d_m3BeginExternC
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# define d_m3EndExternC
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# endif
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d_m3BeginExternC
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#define d_m3ImplementFloat (d_m3HasFloat || d_m3NoFloatDynamic)
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#if !defined(d_m3ShortTypesDefined)
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typedef uint64_t u64;
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typedef int64_t i64;
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typedef uint32_t u32;
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typedef int32_t i32;
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typedef uint16_t u16;
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typedef int16_t i16;
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typedef uint8_t u8;
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typedef int8_t i8;
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#if d_m3ImplementFloat
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typedef double f64;
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typedef float f32;
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#endif
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#endif // d_m3ShortTypesDefined
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#define PRIf32 "f"
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#define PRIf64 "lf"
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typedef const void * m3ret_t;
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typedef const void * voidptr_t;
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typedef const char * cstr_t;
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typedef const char * const ccstr_t;
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typedef const u8 * bytes_t;
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typedef const u8 * const cbytes_t;
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typedef u16 m3opcode_t;
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typedef i64 m3reg_t;
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# if d_m3Use32BitSlots
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typedef u32 m3slot_t;
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# else
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typedef u64 m3slot_t;
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# endif
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typedef m3slot_t * m3stack_t;
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typedef
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const void * const cvptr_t;
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# if defined (DEBUG)
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# define d_m3Log(CATEGORY, FMT, ...) printf (" %8s | " FMT, #CATEGORY, ##__VA_ARGS__);
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# if d_m3LogParse
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# define m3log_parse(CATEGORY, FMT, ...) d_m3Log(CATEGORY, FMT, ##__VA_ARGS__)
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# else
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# define m3log_parse(...) {}
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# endif
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# if d_m3LogCompile
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# define m3log_compile(CATEGORY, FMT, ...) d_m3Log(CATEGORY, FMT, ##__VA_ARGS__)
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# else
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# define m3log_compile(...) {}
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# endif
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# if d_m3LogEmit
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# define m3log_emit(CATEGORY, FMT, ...) d_m3Log(CATEGORY, FMT, ##__VA_ARGS__)
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# else
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# define m3log_emit(...) {}
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# endif
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# if d_m3LogCodePages
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# define m3log_code(CATEGORY, FMT, ...) d_m3Log(CATEGORY, FMT, ##__VA_ARGS__)
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# else
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# define m3log_code(...) {}
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# endif
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# if d_m3LogModule
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# define m3log_module(CATEGORY, FMT, ...) d_m3Log(CATEGORY, FMT, ##__VA_ARGS__)
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# else
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# define m3log_module(...) {}
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# endif
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# if d_m3LogRuntime
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# define m3log_runtime(CATEGORY, FMT, ...) d_m3Log(CATEGORY, FMT, ##__VA_ARGS__)
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# else
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# define m3log_runtime(...) {}
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# endif
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# define m3log(CATEGORY, FMT, ...) m3log_##CATEGORY (CATEGORY, FMT "\n", ##__VA_ARGS__)
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# else
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# define d_m3Log(CATEGORY, FMT, ...) {}
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# define m3log(CATEGORY, FMT, ...) {}
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# endif
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# if defined(ASSERTS) || (defined(DEBUG) && !defined(NASSERTS))
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# define d_m3Assert(ASS) if (!(ASS)) { printf("Assertion failed at %s:%d : %s\n", __FILE__, __LINE__, #ASS); abort(); }
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# else
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# define d_m3Assert(ASS)
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# endif
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typedef void /*const*/ * code_t;
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typedef code_t const * /*__restrict__*/ pc_t;
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typedef struct M3MemoryHeader
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{
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IM3Runtime runtime;
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void * maxStack;
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size_t length;
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}
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M3MemoryHeader;
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struct M3CodeMappingPage;
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typedef struct M3CodePageHeader
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{
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struct M3CodePage * next;
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u32 lineIndex;
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u32 numLines;
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u32 sequence; // this is just used for debugging; could be removed
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u32 usageCount;
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# if d_m3RecordBacktraces
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struct M3CodeMappingPage * mapping;
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# endif // d_m3RecordBacktraces
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}
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M3CodePageHeader;
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#define d_m3CodePageFreeLinesThreshold 4+2 // max is: select _sss & CallIndirect + 2 for bridge
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#define d_m3MemPageSize 65536
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#define d_m3Reg0SlotAlias 60000
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#define d_m3Fp0SlotAlias (d_m3Reg0SlotAlias + 2)
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#define d_m3MaxSaneTypesCount 100000
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#define d_m3MaxSaneFunctionsCount 100000
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#define d_m3MaxSaneImportsCount 10000
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#define d_m3MaxSaneExportsCount 10000
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#define d_m3MaxSaneGlobalsCount 100000
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#define d_m3MaxSaneElementSegments 100000
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#define d_m3MaxSaneDataSegments 100000
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#define d_m3MaxSaneTableSize 100000
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#define d_m3MaxSaneUtf8Length 10000
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#define d_m3MaxSaneFunctionArgRetCount 1000 // still insane, but whatever
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#define d_externalKind_function 0
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#define d_externalKind_table 1
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#define d_externalKind_memory 2
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#define d_externalKind_global 3
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static const char * const c_waTypes [] = { "nil", "i32", "i64", "f32", "f64", "unknown" };
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static const char * const c_waCompactTypes [] = { "_", "i", "I", "f", "F", "?" };
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# if d_m3VerboseErrorMessages
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M3Result m3Error (M3Result i_result, IM3Runtime i_runtime, IM3Module i_module, IM3Function i_function,
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const char * const i_file, u32 i_lineNum, const char * const i_errorMessage, ...);
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# define _m3Error(RESULT, RT, MOD, FUN, FILE, LINE, FORMAT, ...) \
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m3Error (RESULT, RT, MOD, FUN, FILE, LINE, FORMAT, ##__VA_ARGS__)
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# else
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# define _m3Error(RESULT, RT, MOD, FUN, FILE, LINE, FORMAT, ...) (RESULT)
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# endif
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#define ErrorRuntime(RESULT, RUNTIME, FORMAT, ...) _m3Error (RESULT, RUNTIME, NULL, NULL, __FILE__, __LINE__, FORMAT, ##__VA_ARGS__)
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#define ErrorModule(RESULT, MOD, FORMAT, ...) _m3Error (RESULT, MOD->runtime, MOD, NULL, __FILE__, __LINE__, FORMAT, ##__VA_ARGS__)
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#define ErrorCompile(RESULT, COMP, FORMAT, ...) _m3Error (RESULT, COMP->runtime, COMP->module, NULL, __FILE__, __LINE__, FORMAT, ##__VA_ARGS__)
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#if d_m3LogNativeStack
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void m3StackCheckInit ();
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void m3StackCheck ();
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int m3StackGetMax ();
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#else
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#define m3StackCheckInit()
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#define m3StackCheck()
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#define m3StackGetMax() 0
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#endif
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#if d_m3LogTimestamps
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#define PRIts "%llu"
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uint64_t m3_GetTimestamp ();
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#else
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#define PRIts "%s"
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#define m3_GetTimestamp() ""
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#endif
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void m3_Abort (const char* message);
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void * m3_Malloc_Impl (size_t i_size);
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void * m3_Realloc_Impl (void * i_ptr, size_t i_newSize, size_t i_oldSize);
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void m3_Free_Impl (void * i_ptr);
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void * m3_CopyMem (const void * i_from, size_t i_size);
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#if d_m3LogHeapOps
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// Tracing format: timestamp;heap:OpCode;name;size(bytes);new items;new ptr;old items;old ptr
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static inline void * m3_AllocStruct_Impl(ccstr_t name, size_t i_size) {
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void * result = m3_Malloc_Impl(i_size);
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fprintf(stderr, PRIts ";heap:AllocStruct;%s;%zu;;%p;;\n", m3_GetTimestamp(), name, i_size, result);
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return result;
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}
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static inline void * m3_AllocArray_Impl(ccstr_t name, size_t i_num, size_t i_size) {
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void * result = m3_Malloc_Impl(i_size * i_num);
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fprintf(stderr, PRIts ";heap:AllocArr;%s;%zu;%zu;%p;;\n", m3_GetTimestamp(), name, i_size, i_num, result);
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return result;
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}
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static inline void * m3_ReallocArray_Impl(ccstr_t name, void * i_ptr_old, size_t i_num_new, size_t i_num_old, size_t i_size) {
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void * result = m3_Realloc_Impl (i_ptr_old, i_size * i_num_new, i_size * i_num_old);
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fprintf(stderr, PRIts ";heap:ReallocArr;%s;%zu;%zu;%p;%zu;%p\n", m3_GetTimestamp(), name, i_size, i_num_new, result, i_num_old, i_ptr_old);
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return result;
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}
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static inline void * m3_Malloc (ccstr_t name, size_t i_size) {
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void * result = m3_Malloc_Impl (i_size);
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fprintf(stderr, PRIts ";heap:AllocMem;%s;%zu;;%p;;\n", m3_GetTimestamp(), name, i_size, result);
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return result;
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}
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static inline void * m3_Realloc (ccstr_t name, void * i_ptr, size_t i_newSize, size_t i_oldSize) {
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void * result = m3_Realloc_Impl (i_ptr, i_newSize, i_oldSize);
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fprintf(stderr, PRIts ";heap:ReallocMem;%s;;%zu;%p;%zu;%p\n", m3_GetTimestamp(), name, i_newSize, result, i_oldSize, i_ptr);
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return result;
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}
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#define m3_AllocStruct(STRUCT) (STRUCT *)m3_AllocStruct_Impl (#STRUCT, sizeof (STRUCT))
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#define m3_AllocArray(STRUCT, NUM) (STRUCT *)m3_AllocArray_Impl (#STRUCT, NUM, sizeof (STRUCT))
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#define m3_ReallocArray(STRUCT, PTR, NEW, OLD) (STRUCT *)m3_ReallocArray_Impl (#STRUCT, (void *)(PTR), (NEW), (OLD), sizeof (STRUCT))
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#define m3_Free(P) do { void* p = (void*)(P); \
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if (p) { fprintf(stderr, PRIts ";heap:FreeMem;;;;%p;\n", m3_GetTimestamp(), p); } \
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m3_Free_Impl (p); (P) = NULL; } while(0)
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#else
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#define m3_Malloc(NAME, SIZE) m3_Malloc_Impl(SIZE)
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#define m3_Realloc(NAME, PTR, NEW, OLD) m3_Realloc_Impl(PTR, NEW, OLD)
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#define m3_AllocStruct(STRUCT) (STRUCT *)m3_Malloc_Impl (sizeof (STRUCT))
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#define m3_AllocArray(STRUCT, NUM) (STRUCT *)m3_Malloc_Impl (sizeof (STRUCT) * (NUM))
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#define m3_ReallocArray(STRUCT, PTR, NEW, OLD) (STRUCT *)m3_Realloc_Impl ((void *)(PTR), sizeof (STRUCT) * (NEW), sizeof (STRUCT) * (OLD))
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#define m3_Free(P) do { m3_Free_Impl ((void*)(P)); (P) = NULL; } while(0)
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#endif
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M3Result NormalizeType (u8 * o_type, i8 i_convolutedWasmType);
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bool IsIntType (u8 i_wasmType);
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bool IsFpType (u8 i_wasmType);
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bool Is64BitType (u8 i_m3Type);
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u32 SizeOfType (u8 i_m3Type);
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M3Result Read_u64 (u64 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result Read_u32 (u32 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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#if d_m3ImplementFloat
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M3Result Read_f64 (f64 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result Read_f32 (f32 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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#endif
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M3Result Read_u8 (u8 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result Read_opcode (m3opcode_t * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLebUnsigned (u64 * o_value, u32 i_maxNumBits, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLebSigned (i64 * o_value, u32 i_maxNumBits, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLEB_u32 (u32 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLEB_u7 (u8 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLEB_i7 (i8 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLEB_i32 (i32 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result ReadLEB_i64 (i64 * o_value, bytes_t * io_bytes, cbytes_t i_end);
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M3Result Read_utf8 (cstr_t * o_utf8, bytes_t * io_bytes, cbytes_t i_end);
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cstr_t SPrintValue (void * i_value, u8 i_type);
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size_t SPrintArg (char * o_string, size_t i_stringBufferSize, voidptr_t i_sp, u8 i_type);
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void ReportError (IM3Runtime io_runtime, IM3Module i_module, IM3Function i_function, ccstr_t i_errorMessage, ccstr_t i_file, u32 i_lineNum);
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# if d_m3RecordBacktraces
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void PushBacktraceFrame (IM3Runtime io_runtime, pc_t i_pc);
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void FillBacktraceFunctionInfo (IM3Runtime io_runtime, IM3Function i_function);
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void ClearBacktrace (IM3Runtime io_runtime);
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# endif
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d_m3EndExternC
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#endif // m3_core_h
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