orca/ext/wasm3/source/m3_code.h

81 lines
2.4 KiB
C

//
// m3_code.h
//
// Created by Steven Massey on 4/19/19.
// Copyright © 2019 Steven Massey. All rights reserved.
//
#ifndef m3_code_h
#define m3_code_h
#include "m3_core.h"
d_m3BeginExternC
typedef struct M3CodePage
{
M3CodePageHeader info;
code_t code [1];
}
M3CodePage;
typedef M3CodePage * IM3CodePage;
IM3CodePage NewCodePage (IM3Runtime i_runtime, u32 i_minNumLines);
void FreeCodePages (IM3CodePage * io_list);
u32 NumFreeLines (IM3CodePage i_page);
pc_t GetPageStartPC (IM3CodePage i_page);
pc_t GetPagePC (IM3CodePage i_page);
void EmitWord_impl (IM3CodePage i_page, void* i_word);
void EmitWord32 (IM3CodePage i_page, u32 i_word);
void EmitWord64 (IM3CodePage i_page, u64 i_word);
# if d_m3RecordBacktraces
void EmitMappingEntry (IM3CodePage i_page, u32 i_moduleOffset);
# endif // d_m3RecordBacktraces
void PushCodePage (IM3CodePage * io_list, IM3CodePage i_codePage);
IM3CodePage PopCodePage (IM3CodePage * io_list);
IM3CodePage GetEndCodePage (IM3CodePage i_list); // i_list = NULL is valid
u32 CountCodePages (IM3CodePage i_list); // i_list = NULL is valid
# if d_m3RecordBacktraces
bool ContainsPC (IM3CodePage i_page, pc_t i_pc);
bool MapPCToOffset (IM3CodePage i_page, pc_t i_pc, u32 * o_moduleOffset);
# endif // d_m3RecordBacktraces
# ifdef DEBUG
void dump_code_page (IM3CodePage i_codePage, pc_t i_startPC);
# endif
#define EmitWord(page, val) EmitWord_impl(page, (void*)(val))
//---------------------------------------------------------------------------------------------------------------------------------
# if d_m3RecordBacktraces
typedef struct M3CodeMapEntry
{
u32 pcOffset;
u32 moduleOffset;
}
M3CodeMapEntry;
typedef struct M3CodeMappingPage
{
pc_t basePC;
u32 size;
u32 capacity;
M3CodeMapEntry entries [];
}
M3CodeMappingPage;
# endif // d_m3RecordBacktraces
d_m3EndExternC
#endif // m3_code_h