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* added some basic code for later syscall support on M68k/Amiga

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This commit is contained in:
Károly Balogh 2004-05-12 13:28:01 +00:00
parent 3175dd4c6b
commit 5b31a1c142
1 changed files with 60 additions and 1 deletions
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61
compiler/m68k/cpupara.pas
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@ -43,6 +43,8 @@ unit cpupara;
tm68kparamanager = class(tparamanager)
function getintparaloc(calloption : tproccalloption;nr : longint) : tparalocation;override;
function create_paraloc_info(p : tabstractprocdef; side: tcallercallee):longint;override;
private
function parseparaloc(p : tparaitem;const s : string) : boolean;override;
end;
implementation
@ -100,13 +102,70 @@ unit cpupara;
end;
function tm68kparamanager.parseparaloc(p : tparaitem;const s : string) : boolean;
begin
result:=false;
case target_info.system of
system_m68k_amiga:
begin
p.paraloc[callerside].loc:=LOC_REGISTER;
p.paraloc[callerside].lochigh:=LOC_INVALID;
p.paraloc[callerside].size:=def_cgsize(p.paratype.def);
p.paraloc[callerside].alignment:=4;
{ pattern is always uppercase'd }
if s='D0' then
p.paraloc[callerside].register:=NR_D0
else if s='D1' then
p.paraloc[callerside].register:=NR_D1
else if s='D2' then
p.paraloc[callerside].register:=NR_D2
else if s='D3' then
p.paraloc[callerside].register:=NR_D3
else if s='D4' then
p.paraloc[callerside].register:=NR_D4
else if s='D5' then
p.paraloc[callerside].register:=NR_D5
else if s='D6' then
p.paraloc[callerside].register:=NR_D6
else if s='D7' then
p.paraloc[callerside].register:=NR_D7
else if s='A0' then
p.paraloc[callerside].register:=NR_A0
else if s='A1' then
p.paraloc[callerside].register:=NR_A1
else if s='A2' then
p.paraloc[callerside].register:=NR_A2
else if s='A3' then
p.paraloc[callerside].register:=NR_A3
else if s='A4' then
p.paraloc[callerside].register:=NR_A4
else if s='A5' then
p.paraloc[callerside].register:=NR_A5
{ 'A6' is problematic, since it's the frame pointer in fpc,
so it should be saved before a call! }
else if s='A6' then
p.paraloc[callerside].register:=NR_A6
{ 'A7' is the stack pointer on 68k, can't be overwritten by API calls }
else
exit;
p.paraloc[calleeside]:=p.paraloc[callerside];
end;
else
internalerror(200405092);
end;
result:=true;
end;
begin
paramanager:=tm68kparamanager.create;
end.
{
$Log$
Revision 1.5 2004-01-30 12:17:18 florian
Revision 1.6 2004-05-12 13:28:01 karoly
* added some basic code for later syscall support on M68k/Amiga
Revision 1.5 2004/01/30 12:17:18 florian
* fixed some m68k compilation problems
Revision 1.4 2003/02/02 19:25:54 carl