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78 lines
2.3 KiB
ObjectPascal
78 lines
2.3 KiB
ObjectPascal
{
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Copyright (c) 1998-2009 by Florian Klaempfl and David Zhang
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Generate MIPSEL assembler for in call nodes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit ncpucall;
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{$i fpcdefs.inc}
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interface
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uses
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node, ncgcal;
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type
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tMIPSELcallnode = class(tcgcallnode)
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function pass_1 : tnode; override;
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procedure extra_call_code; override;
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procedure extra_post_call_code; override;
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end;
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implementation
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uses
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globtype,cpubase,procinfo,
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aasmtai,aasmcpu,aasmdata,
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paramgr,
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ncal;
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function TMIPSELcallnode.pass_1 : tnode;
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begin
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pass_1 := inherited pass_1;
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if assigned(current_procinfo) and
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assigned(procdefinition) and
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(procdefinition.proccalloption=pocall_cdecl) then
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include(current_procinfo.flags,pi_needs_got);
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end;
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procedure tMIPSELcallnode.extra_call_code;
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begin
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{ MIPS functions should never modify the stack pointer
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after the prologue.
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Enough space must be allocated inside the prologue, not after. }
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// if pushedparasize > 0 then
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// current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg_const(A_ADDIU, NR_STACK_POINTER_REG, NR_STACK_POINTER_REG, -pushedparasize));
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end;
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procedure tMIPSELcallnode.extra_post_call_code;
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begin
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{ MIPS functions should never modify the stack pointer
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after the prologue.
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Enough space must be allocated inside the prologue, not after. }
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// if pushedparasize > 0 then
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// current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg_const(A_ADDIU, NR_STACK_POINTER_REG, NR_STACK_POINTER_REG, pushedparasize));
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end;
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begin
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ccallnode := TMIPSELCallNode;
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end.
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