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{
Copyright (c) 2019 by Florian Klämpfl
ARM version of some node tree helper routines
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 narmutil;
{$i fpcdefs.inc}
interface
uses
cclasses,ngenutil;
type
tarmnodeutils = class(tnodeutils)
class procedure InsertObjectInfo; override;
class procedure insert_init_final_table(entries: tfplist); override;
end;
implementation
uses
verbose,
systems,
globals,
cpuinfo,cpubase,
cgbase,cgutils,
aasmbase,aasmdata,aasmtai,aasmcpu,
symdef;
const
Tag_File = 1;
Tag_Section = 2;
Tag_Symbol = 3;
Tag_CPU_raw_name = 4;
Tag_CPU_name = 5;
Tag_CPU_arch = 6;
Tag_CPU_arch_profile = 7;
Tag_ARM_ISA_use = 8;
Tag_THUMB_ISA_use = 9;
Tag_FP_Arch = 10;
Tag_WMMX_arch = 11;
Tag_Advanced_SIMD_arch = 12;
Tag_PCS_config = 13;
Tag_ABI_PCS_R9_use = 14;
Tag_ABI_PCS_RW_data = 15;
Tag_ABI_PCS_RO_data = 16;
Tag_ABI_PCS_GOT_use = 17;
Tag_ABI_PCS_wchar_t = 18;
Tag_ABI_FP_rounding = 19;
Tag_ABI_FP_denormal = 20;
Tag_ABI_FP_exceptions = 21;
Tag_ABI_FP_user_exceptions = 22;
Tag_ABI_FP_number_model = 23;
Tag_ABI_align_needed = 24;
Tag_ABI_align8_preserved = 25;
Tag_ABI_enum_size = 26;
Tag_ABI_HardFP_use = 27;
Tag_ABI_VFP_args = 28;
Tag_ABI_WMMX_args = 29;
Tag_ABI_optimization_goals = 30;
Tag_ABI_FP_optimization_goals = 31;
Tag_compatiblity = 32;
Tag_CPU_unaligned_access = 34;
Tag_FP_HP_extension = 36;
Tag_ABI_FP_16bit_format = 38;
Tag_MPextension_use = 42;
Tag_DIV_use = 44;
Tag_nodefaults = 64;
Tag_also_compatible_with = 65;
Tag_conformance = 67;
Tag_T2EE_use = 66;
Tag_Virtualization_use = 68;
class procedure tarmnodeutils.InsertObjectInfo;
begin
inherited InsertObjectInfo;
{ write eabi attributes to object file? }
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_armv3:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,''));
end;
cpu_armv4:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,1));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'4'));
end;
cpu_armv4t:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,2));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'4T'));
end;
cpu_armv5t:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,3));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'5T'));
end;
cpu_armv5te:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,4));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'5TE'));
end;
cpu_armv5tej:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,5));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'5TEJ'));
end;
cpu_armv6:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,6));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'6'));
end;
cpu_armv6k:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,9));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'6K'));
end;
cpu_armv6t2:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,8));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'T2'));
end;
cpu_armv6z:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,7));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'6Z'));
end;
cpu_armv6m:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,11));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'6-M'));
end;
cpu_armv7:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,10));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'7'));
end;
cpu_armv7a:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,10));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,$41));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'7-A'));
end;
cpu_armv7r:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,10));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,$52));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'7-R'));
end;
cpu_armv7m:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,10));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,$4D));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'7-M'));
end;
cpu_armv7em:
begin
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch,13));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_arch_profile,$4D));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_CPU_name,'7E-M'));
end;
else
Internalerror(2019100602);
end;
case current_settings.fputype of
fpu_none,
fpu_soft,
fpu_libgcc,
fpu_fpa,
fpu_fpa10,
fpu_fpa11:
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_FP_Arch,0));
fpu_vfpv2:
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_FP_Arch,2));
fpu_vfpv3,
fpu_neon_vfpv3:
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_FP_Arch,3));
fpu_vfpv3_d16:
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_FP_Arch,4));
fpu_fpv4_sp_d16,
fpu_fpv4_s16:
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_FP_Arch,6));
fpu_vfpv4,
fpu_neon_vfpv4:
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_FP_Arch,5));
{ else not needed anymore PM 2020/04/13
Internalerror(2019100603); }
end;
if FPUARM_HAS_FMA in fpu_capabilities[current_settings.fputype] then
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_Advanced_SIMD_arch,2))
else if FPUARM_HAS_NEON in fpu_capabilities[current_settings.fputype] then
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_Advanced_SIMD_arch,1))
else
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_Advanced_SIMD_arch,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ARM_ISA_use,1));
if CPUARM_HAS_THUMB2 in cpu_capabilities[current_settings.cputype] then
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_THUMB_ISA_use,2))
else
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_THUMB_ISA_use,1));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ABI_VFP_args,1));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ABI_FP_denormal,1));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ABI_FP_exceptions,1));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ABI_FP_number_model,3));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ABI_align_needed,0));
current_asmdata.asmlists[al_start].Concat(tai_eabi_attribute.create(Tag_ABI_align8_preserved,1));
{ gcc typically writes more like enum size, wchar size, optimization goal, however, this
is normally not module global in FPC }
end;
end;
class procedure tarmnodeutils.insert_init_final_table(entries:tfplist);
procedure genentry(list : TAsmList);
var
ref: treference;
begin
if GenerateThumbCode then
list.concat(taicpu.op_regset(A_PUSH,R_INTREGISTER,R_SUBWHOLE,[RS_R14]))
else
begin
reference_reset(ref,4,[]);
ref.index:=NR_STACK_POINTER_REG;
ref.addressmode:=AM_PREINDEXED;
list.concat(setoppostfix(taicpu.op_ref_regset(A_STM,ref,R_INTREGISTER,R_SUBWHOLE,[RS_R14]),PF_FD));
end;
end;
procedure genexit(list : TAsmList);
var
ref: treference;
begin
if GenerateThumbCode then
list.concat(taicpu.op_regset(A_POP,R_INTREGISTER,R_SUBWHOLE,[RS_R15]))
else
begin
reference_reset(ref,4,[]);
ref.index:=NR_STACK_POINTER_REG;
ref.addressmode:=AM_PREINDEXED;
list.concat(setoppostfix(taicpu.op_ref_regset(A_LDM,ref,R_INTREGISTER,R_SUBWHOLE,[RS_R15]),PF_FD));
end;
end;
var
initList, finalList, header: TAsmList;
entry : pinitfinalentry;
i : longint;
begin
if not(tf_init_final_units_by_calls in target_info.flags) then
begin
inherited insert_init_final_table(entries);
exit;
end;
initList:=TAsmList.create;
finalList:=TAsmList.create;
genentry(finalList);
genentry(initList);
for i:=0 to entries.count-1 do
begin
entry:=pinitfinalentry(entries[i]);
if entry^.finifunc<>'' then
finalList.Concat(taicpu.op_sym(A_BL,current_asmdata.RefAsmSymbol(entry^.finifunc,AT_FUNCTION)));
if entry^.initfunc<>'' then
initList.Concat(taicpu.op_sym(A_BL,current_asmdata.RefAsmSymbol(entry^.initfunc,AT_FUNCTION)));
end;
genexit(finalList);
genexit(initList);
header:=TAsmList.create;
new_section(header, sec_code, 'FPC_INIT_FUNC_TABLE', 1);
header.concat(tai_symbol.Createname_global('FPC_INIT_FUNC_TABLE',AT_FUNCTION,0,voidcodepointertype));
initList.insertList(header);
header.free;
current_asmdata.AsmLists[al_procedures].concatList(initList);
header:=TAsmList.create;
new_section(header, sec_code, 'FPC_FINALIZE_FUNC_TABLE', 1);
header.concat(tai_symbol.Createname_global('FPC_FINALIZE_FUNC_TABLE',AT_FUNCTION,0,voidcodepointertype));
finalList.insertList(header);
header.free;
current_asmdata.AsmLists[al_procedures].concatList(finalList);
initList.Free;
finalList.Free;
inherited insert_init_final_table(entries);
end;
begin
cnodeutils:=tarmnodeutils;
end.
|
