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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by the Free Pascal development team
Implement OS-dependent part of dynamic library loading.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program 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.
**********************************************************************}
uses dl;
Function SysLoadLibraryA(const Name : RawByteString) : TLibHandle;
{$ifdef aix}
var
MemberName: RawByteString;
{$endif}
begin
{$ifndef aix}
Result:=TLibHandle(dlopen(PAnsiChar(Name),RTLD_LAZY));
{$else aix}
{ in aix, most shared libraries are static libraries (archives) that contain
a single object: shr.o for 32 bit, shr_64.o for 64 bit. You have to specify
this object file explicitly via the RTLD_MEMBER member flag }
{$ifdef cpu64}
MemberName:='(shr_64.o)';
{$else cpu64}
MemberName:='(shr.o)';
{$endif cpu64}
SetCodePage(MemberName,DefaultFileSystemCodePage,false);
MemberName:=Name+MemberName;
Result:=TLibHandle(dlopen(PAnsiChar(MemberName),RTLD_LAZY or RTLD_MEMBER));
{$endif aix}
end;
Function SysLoadLibraryU(const Name: UnicodeString) : TLibHandle;
begin
Result := SysLoadLibraryA(ToSingleByteFileSystemEncodedFileName(Name));
end;
Function SysGetProcedureAddress(Lib : TLibHandle; const ProcName : AnsiString) : Pointer;
begin
Result:=dlsym(lib,pchar(ProcName));
end;
Function SysUnloadLibrary(Lib : TLibHandle) : Boolean;
begin
Result:=dlClose(Lib)=0;
end;
Function SysGetLoadErrorStr: string;
begin
Result:=dl.dlerror;
end;
const
SysDynLibsManager: TDynLibsManager = (
LoadLibraryU: @SysLoadLibraryU;
LoadLibraryA: @SysLoadLibraryA;
GetProcAddress: @SysGetProcedureAddress;
GetProcAddressOrdinal: Nil;
UnloadLibrary: @SysUnloadLibrary;
GetLoadErrorStr: @SysGetLoadErrorStr;
);
procedure InitDynLibs;
begin
SetDynLibsManager(SysDynLibsManager);
end;
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