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87 lines
2.2 KiB
PHP
87 lines
2.2 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by the Free Pascal development team
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Implement OS-dependent part of dynamic library loading.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{$IFDEF FPC_DOTTEDUNITS}
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uses UnixApi.Dl;
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{$ELSE}
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uses dl;
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{$ENDIF}
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Function SysLoadLibraryA(const Name : RawByteString) : TLibHandle;
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{$ifdef aix}
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var
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MemberName: RawByteString;
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{$endif}
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begin
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{$ifndef aix}
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Result:=TLibHandle(dlopen(PAnsiChar(Name),RTLD_LAZY));
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{$else aix}
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{ in aix, most shared libraries are static libraries (archives) that contain
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a single object: shr.o for 32 bit, shr_64.o for 64 bit. You have to specify
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this object file explicitly via the RTLD_MEMBER member flag }
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{$ifdef cpu64}
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MemberName:='(shr_64.o)';
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{$else cpu64}
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MemberName:='(shr.o)';
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{$endif cpu64}
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SetCodePage(MemberName,DefaultFileSystemCodePage,false);
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MemberName:=Name+MemberName;
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Result:=TLibHandle(dlopen(PAnsiChar(MemberName),RTLD_LAZY or RTLD_MEMBER));
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{$endif aix}
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end;
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Function SysLoadLibraryU(const Name: UnicodeString) : TLibHandle;
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begin
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Result := SysLoadLibraryA(ToSingleByteFileSystemEncodedFileName(Name));
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end;
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Function SysGetProcedureAddress(Lib : TLibHandle; const ProcName : AnsiString) : Pointer;
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begin
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Result:=dlsym(lib,PAnsiChar(ProcName));
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end;
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Function SysUnloadLibrary(Lib : TLibHandle) : Boolean;
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begin
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Result:=dlClose(Lib)=0;
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end;
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Function SysGetLoadErrorStr: ansistring;
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begin
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{$IFDEF FPC_DOTTEDUNITS}
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Result:=UnixApi.Dl.dlerror;
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{$ELSE}
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Result:=dl.dlerror;
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{$ENDIF}
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end;
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const
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SysDynLibsManager: TDynLibsManager = (
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LoadLibraryU: @SysLoadLibraryU;
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LoadLibraryA: @SysLoadLibraryA;
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GetProcAddress: @SysGetProcedureAddress;
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GetProcAddressOrdinal: Nil;
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UnloadLibrary: @SysUnloadLibrary;
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GetLoadErrorStr: @SysGetLoadErrorStr;
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);
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procedure InitDynLibs;
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begin
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SetDynLibsManager(SysDynLibsManager);
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end;
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