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* don't generate high-level CFI statements when the selected assembler

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does not support them, even if the target normally uses them
   o fixes assembling with -Aas-darwin for i386/arm/x86-64 (on OS
     versions that used those)

git-svn-id: trunk@49138 -
This commit is contained in:
Jonas Maebe 2021-04-08 19:50:27 +00:00
parent 1b34fe90a3
commit ca399f3c71
5 changed files with 20 additions and 5 deletions
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4
compiler/aarch64/agcpugas.pas
View File

@ -789,7 +789,7 @@ unit agcpugas;
asmbin : 'clang';
asmcmd : '-x assembler -c -target $TRIPLET -o $OBJ $EXTRAOPT -x assembler $ASM';
supported_targets : [system_aarch64_ios,system_aarch64_darwin];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_llvm];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_llvm,af_supports_hlcfi];
labelprefix : 'L';
labelmaxlen : -1;
comment : '# ';
@ -803,7 +803,7 @@ unit agcpugas;
asmbin : 'clang';
asmcmd : '-x assembler -c -target $TRIPLET -o $OBJ $EXTRAOPT -x assembler $ASM';
supported_targets : [system_aarch64_win64];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_llvm];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_llvm,af_supports_hlcfi];
labelprefix : '.L';
labelmaxlen : -1;
comment : '// ';

2
compiler/arm/agarmgas.pas
View File

@ -484,7 +484,7 @@ unit agarmgas;
asmbin : 'clang';
asmcmd : '-x assembler -c -target $TRIPLET -o $OBJ $EXTRAOPT -x assembler $ASM';
supported_targets : [system_arm_ios];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_llvm];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_llvm,af_supports_hlcfi];
labelprefix : 'L';
labelmaxlen : -1;
comment : '# ';

14
compiler/cfidwarf.pas
View File

@ -670,6 +670,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_none.create(cfi_startproc));
end;
@ -681,6 +683,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_none.create(cfi_endproc));
end;
@ -692,6 +696,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_reg.create(cfi_undefined,NR_RETURN_ADDRESS_REG));
end;
@ -703,6 +709,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_reg_val.create(cfi_offset,reg,ofs));
end;
@ -714,6 +722,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_reg.create(cfi_restore,reg));
end;
@ -725,6 +735,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_reg.create(cfi_def_cfa_register,reg));
end;
@ -736,6 +748,8 @@ implementation
inherited;
exit;
end;
if not(af_supports_hlcfi in target_asm.flags) then
exit;
list.concat(tai_cfi_op_val.create(cfi_def_cfa_offset,ofs));
end;

1
compiler/systems.pas
View File

@ -78,6 +78,7 @@ interface
,af_no_stabs
{ assembler is part of the LLVM toolchain }
,af_llvm
,af_supports_hlcfi
);
pasminfo = ^tasminfo;

4
compiler/x86/agx86att.pas
View File

@ -514,7 +514,7 @@ interface
asmbin : 'clang';
asmcmd : '-x assembler -c -target $TRIPLET -o $OBJ $EXTRAOPT -x assembler $ASM';
supported_targets : [system_x86_64_darwin,system_x86_64_iphonesim];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_no_stabs,af_llvm];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_no_stabs,af_llvm,af_supports_hlcfi];
labelprefix : 'L';
labelmaxlen : -1;
comment : '# ';
@ -593,7 +593,7 @@ interface
asmbin : 'clang';
asmcmd : '-x assembler -c -target $TRIPLET -o $OBJ $EXTRAOPT -x assembler $ASM';
supported_targets : [system_i386_darwin,system_i386_iphonesim];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_no_stabs,af_llvm];
flags : [af_needar,af_smartlink_sections,af_supports_dwarf,af_no_stabs,af_llvm,af_supports_hlcfi];
labelprefix : 'L';
labelmaxlen : -1;
comment : '# ';