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+ initial support for ARMv2

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* check for unassigned valuestr when writing ntbs eabi attributes

git-svn-id: trunk@49348 -
This commit is contained in:
florian 2021-05-09 20:42:31 +00:00
parent 4ab310e0ed
commit 8535c758ef
6 changed files with 20 additions and 5 deletions
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1
compiler/arm/aasmcpu.pas
View File

@ -2213,6 +2213,7 @@ implementation
IF_NONE,
IF_ARMv4,
IF_ARMv4,
IF_ARMv4,
IF_ARMv4T or IF_ARMv4,
IF_ARMv4T or IF_ARMv4 or IF_ARMv5 or IF_ARMv5T,
IF_ARMv4T or IF_ARMv4 or IF_ARMv5 or IF_ARMv5T or IF_ARMv5TE,

1
compiler/arm/agarmgas.pas
View File

@ -61,6 +61,7 @@ unit agarmgas;
const
cputype_to_gas_march : array[tcputype] of string = (
'', // cpu_none
'armv2',
'armv3',
'armv4',
'armv4t',

3
compiler/arm/cpuinfo.pas
View File

@ -37,6 +37,7 @@ Type
{ possible supported processors for this target }
tcputype =
(cpu_none,
cpu_armv2,
cpu_armv3,
cpu_armv4,
cpu_armv4t,
@ -554,6 +555,7 @@ Const
];
cputypestr : array[tcputype] of string[8] = ('',
'ARMV2',
'ARMV3',
'ARMV4',
'ARMV4T',
@ -1095,6 +1097,7 @@ Const
const
cpu_capabilities : array[tcputype] of set of tcpuflags =
( { cpu_none } [],
{ cpu_armv2 } [],
{ cpu_armv3 } [],
{ cpu_armv4 } [CPUARM_HAS_ALL_MEM,CPUARM_HAS_UMULL],
{ cpu_armv4t } [CPUARM_HAS_THUMB,CPUARM_HAS_ALL_MEM,CPUARM_HAS_BX,CPUARM_HAS_UMULL],

4
compiler/arm/narmmat.pas
View File

@ -77,8 +77,8 @@ implementation
(nodetype=divn) and
not(is_64bit(resultdef)) and
{Only the ARM and thumb2-isa support umull and smull, which are required for arbitary division by const optimization}
(GenerateArmCode or
GenerateThumb2Code or
(((GenerateArmCode or
GenerateThumb2Code) and (CPUARM_HAS_UMULL in cpu_capabilities[current_settings.cputype])) or
(ispowerof2(tordconstnode(right).value,power) or
(tordconstnode(right).value=1) or
(tordconstnode(right).value=int64(-1))

1
compiler/arm/narmutil.pas
View File

@ -97,6 +97,7 @@ interface
if (target_info.system in [system_arm_linux]) and (target_info.abi in [abi_eabihf,abi_eabi]) then
begin
case current_settings.cputype of
cpu_armv2,
cpu_armv3:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,0));

15
compiler/assemble.pas
View File

@ -1791,7 +1791,10 @@ Implementation
eattrtype_dword:
eabi_section.alloc(LengthUleb128(tai_eabi_attribute(hp).value));
eattrtype_ntbs:
eabi_section.alloc(Length(tai_eabi_attribute(hp).valuestr^)+1);
if assigned(tai_eabi_attribute(hp).valuestr) then
eabi_section.alloc(Length(tai_eabi_attribute(hp).valuestr^)+1)
else
eabi_section.alloc(1);
else
Internalerror(2019100701);
end;
@ -1969,7 +1972,10 @@ Implementation
eattrtype_dword:
eabi_section.alloc(LengthUleb128(tai_eabi_attribute(hp).value));
eattrtype_ntbs:
eabi_section.alloc(Length(tai_eabi_attribute(hp).valuestr^)+1);
if assigned(tai_eabi_attribute(hp).valuestr) then
eabi_section.alloc(Length(tai_eabi_attribute(hp).valuestr^)+1)
else
eabi_section.alloc(1);
else
Internalerror(2019100703);
end;
@ -2336,7 +2342,10 @@ Implementation
end;
eattrtype_ntbs:
begin
s:=tai_eabi_attribute(hp).valuestr^+#0;
if assigned(tai_eabi_attribute(hp).valuestr) then
s:=tai_eabi_attribute(hp).valuestr^+#0
else
s:=#0;
eabi_section.write(s[1],Length(s));
end
else