paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-09-21 10:10:19 +02:00
Code Issues Packages Projects Releases Wiki Activity

+ WebAssembly threads internal linker: create a global symbol for all AT_TLS data symbols

Browse Source
This commit is contained in:
Nikolay Nikolov 2024-08-10 22:37:47 +03:00
parent 7e938ffafc
commit d1348d17bf
1 changed files with 21 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
compiler/ogwasm.pas
View File

@ -84,6 +84,7 @@ interface
AliasOf: string; AliasOf: string;
ExtraData: TWasmObjSymbolExtraData; ExtraData: TWasmObjSymbolExtraData;
LinkingData: TWasmObjSymbolLinkingData; LinkingData: TWasmObjSymbolLinkingData;
TlsGlobalSym: TWasmObjSymbol;
constructor create(AList:TFPHashObjectList;const AName:string);override; constructor create(AList:TFPHashObjectList;const AName:string);override;
destructor Destroy;override; destructor Destroy;override;
function IsAlias: Boolean; function IsAlias: Boolean;
@ -4239,7 +4240,15 @@ implementation
objsym:=TWasmObjSymbol(ObjData.CreateSymbol(SymName)); objsym:=TWasmObjSymbol(ObjData.CreateSymbol(SymName));
objsym.bind:=AB_EXTERNAL; objsym.bind:=AB_EXTERNAL;
if (SymFlags and WASM_SYM_TLS)<>0 then if (SymFlags and WASM_SYM_TLS)<>0 then
objsym.typ:=AT_TLS begin
objsym.typ:=AT_TLS;
objsym.TlsGlobalSym:=TWasmObjSymbol(ObjData.CreateSymbol('GOT.mem.'+SymName));
objsym.TlsGlobalSym.bind:=AB_EXTERNAL;
objsym.TlsGlobalSym.typ:=AT_WASM_GLOBAL;
objsym.TlsGlobalSym.objsection:=nil;
objsym.TlsGlobalSym.offset:=0;
objsym.TlsGlobalSym.size:=1;
end
else else
objsym.typ:=AT_DATA; objsym.typ:=AT_DATA;
objsym.objsection:=nil; objsym.objsection:=nil;
@ -4254,7 +4263,17 @@ implementation
else else
objsym.bind:=AB_GLOBAL; objsym.bind:=AB_GLOBAL;
if (SymFlags and WASM_SYM_TLS)<>0 then if (SymFlags and WASM_SYM_TLS)<>0 then
objsym.typ:=AT_TLS begin
objsym.typ:=AT_TLS;
objsym.TlsGlobalSym:=TWasmObjSymbol(ObjData.CreateSymbol('GOT.mem.'+SymName));
objsym.TlsGlobalSym.bind:=objsym.bind;
objsym.TlsGlobalSym.typ:=AT_WASM_GLOBAL;
objsym.objsection:=ObjData.createsection('.wasm_globals.n_'+objsym.TlsGlobalSym.Name,1,[oso_Data,oso_load],true);
if objsym.objsection.Size=0 then
objsym.objsection.WriteZeros(1);
objsym.TlsGlobalSym.offset:=0;
objsym.TlsGlobalSym.size:=1;
end
else else
objsym.typ:=AT_DATA; objsym.typ:=AT_DATA;
objsym.objsection:=TObjSection(ObjData.ObjSectionList[FirstDataSegmentIdx+SymIndex]); objsym.objsection:=TObjSection(ObjData.ObjSectionList[FirstDataSegmentIdx+SymIndex]);