1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
{
Copyright (c) 2016 by the Free Pascal development team
This unit is the VASM assembler writer for 68k
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 ag68kvasm;
{$i fpcdefs.inc}
interface
uses
aasmbase,systems,
aasmtai,aasmdata,
assemble,aggas,ag68kgas,
cpubase,cgutils,
globtype;
type
tm68kvasm = class(Tm68kGNUassembler)
protected
function sectionattrs(atype:TAsmSectiontype):string; override;
public
constructor CreateWithWriter(info: pasminfo; wr: TExternalAssemblerOutputFile; freewriter, smart: boolean); override;
function MakeCmdLine: TCmdStr; override;
end;
implementation
uses
cutils,cfileutl,globals,verbose,
cgbase,
cscript,
itcpugas,cpuinfo,
aasmcpu;
{****************************************************************************}
{ VASM m68k Assembler writer }
{****************************************************************************}
constructor tm68kvasm.CreateWithWriter(info: pasminfo; wr: TExternalAssemblerOutputFile; freewriter, smart: boolean);
begin
inherited;
InstrWriter := Tm68kInstrWriter.create(self);
end;
function tm68kvasm.sectionattrs(atype:TAsmSectiontype):string;
begin
case atype of
sec_code, sec_fpc, sec_init, sec_fini:
result:='acrx';
{ map sec_rodata as read-write, otherwise the linker (vlink) complains if it
has to write into the relocations in a rodata section. (KB) }
sec_data, sec_rodata:
result:='adrw';
sec_rodata_norel:
case target_info.system of
{ stop vlink from complaining when it merges ro sections into rw ones (KB) }
system_m68k_atari: result:='adrw';
system_m68k_amiga: result:='adrw';
else
result:='adr';
end;
sec_bss, sec_threadvar:
result:='aurw';
sec_stab, sec_stabstr:
result:='dr';
else
result:='';
end;
end;
function tm68kvasm.MakeCmdLine: TCmdStr;
var
objtype: string;
begin
result:=asminfo^.asmcmd;
case target_info.system of
{ a.out doesn't support named sections, lets use ELF for interoperability }
system_m68k_amiga,
system_m68k_atari,
system_m68k_sinclairql: objtype:='-Felf';
else
internalerror(2016052601);
end;
if (target_info.system = system_m68k_amiga) then
begin
Replace(result,'$ASM',maybequoted(ScriptFixFileName(Unix2AmigaPath(AsmFileName))));
Replace(result,'$OBJ',maybequoted(ScriptFixFileName(Unix2AmigaPath(ObjFileName))));
end
else
begin
Replace(result,'$ASM',maybequoted(ScriptFixFileName(AsmFileName)));
Replace(result,'$OBJ',maybequoted(ScriptFixFileName(ObjFileName)));
end;
Replace(result,'$ARCH','-m'+GasCpuTypeStr[current_settings.cputype]);
Replace(result,'$OTYPE',objtype);
Replace(result,'$EXTRAOPT',asmextraopt);
end;
{*****************************************************************************
Initialize
*****************************************************************************}
const
as_m68k_vasm_info : tasminfo =
(
id : as_m68k_vasm;
idtxt : 'VASM';
asmbin : 'vasmm68k_std';
asmcmd: '-quiet -elfregs -gas $OTYPE $ARCH -o $OBJ $EXTRAOPT $ASM';
supported_targets : [system_m68k_amiga,system_m68k_atari,system_m68k_sinclairql];
flags : [af_needar,af_smartlink_sections];
labelprefix : '.L';
labelmaxlen : -1;
comment : '# ';
dollarsign: '$';
);
begin
RegisterAssembler(as_m68k_vasm_info,tm68kvasm);
end.
|
