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* fix for the encoding of dwarf debug info of local variables, whose base is a

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register that has a dwarf register number higher than 31

git-svn-id: trunk@39099 -
This commit is contained in:
nickysn 2018-05-23 15:58:51 +00:00
parent e5de7d0eac
commit 5417eb043d
1 changed files with 13 additions and 3 deletions
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16
compiler/dbgdwarf.pas
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@ -2529,9 +2529,19 @@ implementation
if sym.localloc.loc<> LOC_INVALID then
begin
dreg:=dwarf_reg(sym.localloc.reference.base);
templist.concat(tai_const.create_8bit(ord(DW_OP_breg0)+dreg));
templist.concat(tai_const.create_sleb128bit(sym.localloc.reference.offset+offset));
blocksize:=1+Lengthsleb128(sym.localloc.reference.offset);
if dreg<=31 then
begin
templist.concat(tai_const.create_8bit(ord(DW_OP_breg0)+dreg));
templist.concat(tai_const.create_sleb128bit(sym.localloc.reference.offset+offset));
blocksize:=1+Lengthsleb128(sym.localloc.reference.offset);
end
else
begin
templist.concat(tai_const.create_8bit(ord(DW_OP_bregx)));
templist.concat(tai_const.create_uleb128bit(dreg));
templist.concat(tai_const.create_sleb128bit(sym.localloc.reference.offset));
blocksize:=1+Lengthuleb128(dreg)+LengthSleb128(sym.localloc.reference.offset);
end;
{$ifndef gdb_supports_DW_AT_variable_parameter}
{ Parameters which are passed by reference. (var and the like)
Hide the reference-pointer and dereference the pointer