mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-05-06 01:52:34 +02:00
aa1be3276f
it was AT_NONE, which is invalid and should never be used
* explicitly pass the correct value for all calls to those methods elsewhere
in the compiler
git-svn-id: trunk@34250 -
93 lines
2.7 KiB
ObjectPascal
93 lines
2.7 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2010 by Florian Klaempfl and Jonas Maebe
|
|
Member of the Free Pascal development team
|
|
|
|
This unit contains routines to create a pass-through high-level code
|
|
generator. This is used by most regular code generators.
|
|
|
|
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 hlcgx86;
|
|
|
|
interface
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
uses
|
|
globtype,
|
|
aasmdata,
|
|
symtype,symdef,
|
|
parabase,
|
|
hlcgobj, hlcg2ll;
|
|
|
|
type
|
|
|
|
{ thlcgx86 }
|
|
|
|
thlcgx86 = class(thlcg2ll)
|
|
protected
|
|
procedure gen_load_uninitialized_function_result(list: TAsmList; pd: tprocdef; resdef: tdef; const resloc: tcgpara); override;
|
|
procedure a_jmp_external_name(list: TAsmList; const externalname: TSymStr); override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
globals,systems,
|
|
aasmbase,
|
|
cgbase,cgutils,
|
|
cpubase,aasmcpu;
|
|
|
|
{ thlcgx86 }
|
|
|
|
procedure thlcgx86.gen_load_uninitialized_function_result(list: TAsmList; pd: tprocdef; resdef: tdef; const resloc: tcgpara);
|
|
begin
|
|
{ the caller will pop a value from the fpu stack }
|
|
if assigned(resloc.location) and
|
|
(resloc.location^.loc=LOC_FPUREGISTER) then
|
|
list.concat(taicpu.op_none(A_FLDZ));
|
|
end;
|
|
|
|
|
|
procedure thlcgx86.a_jmp_external_name(list: TAsmList; const externalname: TSymStr);
|
|
var
|
|
ref : treference;
|
|
sym : tasmsymbol;
|
|
begin
|
|
if (target_info.system = system_i386_darwin) then
|
|
begin
|
|
{ a_jmp_name jumps to a stub which is always pic-safe on darwin }
|
|
inherited;
|
|
exit;
|
|
end;
|
|
|
|
sym:=current_asmdata.RefAsmSymbol(externalname,AT_FUNCTION);
|
|
reference_reset_symbol(ref,sym,0,sizeof(pint));
|
|
|
|
{ create pic'ed? }
|
|
if (cs_create_pic in current_settings.moduleswitches) and
|
|
{ darwin/x86_64's assembler doesn't want @PLT after call symbols }
|
|
not(target_info.system in [system_x86_64_darwin,system_i386_iphonesim,system_x86_64_iphonesim]) then
|
|
ref.refaddr:=addr_pic
|
|
else
|
|
ref.refaddr:=addr_full;
|
|
list.concat(taicpu.op_ref(A_JMP,S_NO,ref));
|
|
end;
|
|
|
|
end.
|