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{
Copyright (c) 2019 by Dmitry Boyarintsev
This unit implements support information structures for WebAssembly
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************
}
unit i_wasi;
{$i fpcdefs.inc}
interface
uses
systems,rescmn;
const
res_wasmraw_info : tresinfo =
(
id : res_none; // todo: not implemented. but could be as memory
resbin : 'fpcwasmres';
rescmd : '-o $OBJ $DBG';
rcbin : '';
rccmd : '';
resourcefileclass : nil;
resflags : [res_no_compile];
);
system_wasm32_wasi_info : tsysteminfo =
(
system : system_wasm32_wasi;
name : 'The WebAssembly System Interface (WASI)';
shortname : 'Wasi';
flags : [tf_under_development,tf_needs_symbol_size,tf_needs_symbol_type,
tf_files_case_sensitive,tf_no_generic_stackcheck,
tf_smartlink_sections,
{ avoid the creation of threadvar tables }
tf_section_threadvars];
cpu : cpu_wasm32;
unit_env : '';
extradefines : '';
exeext : '.wasm';
defext : '.def';
scriptext : '.sh';
smartext : '.sl';
unitext : '.ppu';
unitlibext : '.ppl';
asmext : '.wat';
objext : '.o';
resext : '';
resobjext : '.o';
sharedlibext : ''; // keep it empty! The sharedlibext drives the export module name
// if this is populated, then the name should be cleared when generating import
staticlibext : '.a';
staticlibprefix : '';
sharedlibprefix : '';
sharedClibext : '.wasm';
staticClibext : '.wasm';
staticClibprefix : '';
sharedClibprefix : '';
importlibprefix : '';
importlibext : '.wasm';
Cprefix : '';
newline : #10;
dirsep : '/';
assem : as_wasm32_llvm_mc;
assemextern : as_wasm32_llvm_mc;
link : ld_none;
linkextern : ld_wasi; // there's no linker, only object files for WASM
ar : ar_none;
res : res_none;
dbg : dbg_dwarf2;
script : script_unix;
endian : endian_little;
alignment :
(
procalign : 4;
loopalign : 4;
jumpalign : 0;
jumpalignskipmax : 0;
coalescealign : 0;
coalescealignskipmax: 0;
constalignmin : 4;
constalignmax : 16;
varalignmin : 4;
varalignmax : 16;
localalignmin : 4;
localalignmax : 16;
recordalignmin : 0;
recordalignmax : 16;
maxCrecordalign : 16
);
first_parm_offset : 0;
stacksize : 262144;
stackalign : 4;
abi : abi_default;
llvmdatalayout : 'todo';
);
implementation
initialization
{$ifdef CPUWASM32}
{$ifdef wasi}
set_source_info(system_wasm32_wasi_info);
{$endif wasi}
{$endif CPUWASM32}
end.
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