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backend: dwarfdbginf: add DW_AT_decl attributes to DW_TAG_variable tags

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Fixe issue #21157 .

Signed-off-by: Luís Ferreira <contact@lsferreira.net>
This commit is contained in:
Luís Ferreira 2021-10-19 18:04:04 +01:00 • committed by Mathias LANG
parent d4e4a186ca
commit 0a73713b93
3 changed files with 25 additions and 5 deletions
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16
src/dmd/backend/dwarfdbginf.d
View file

@ -1826,14 +1826,17 @@ static if (1)
version (MARS)
if (sa.Sflags & SFLnodebug) continue;
__gshared ubyte[12] formal =
__gshared ubyte[18] formal =
[
DW_TAG_formal_parameter,
0,
DW_AT_name, DW_FORM_string,
DW_AT_type, DW_FORM_ref4,
DW_AT_artificial, DW_FORM_flag,
DW_AT_location, DW_FORM_block1,
DW_AT_name, DW_FORM_string,
DW_AT_type, DW_FORM_ref4,
DW_AT_artificial, DW_FORM_flag,
DW_AT_decl_file, DW_FORM_data1,
DW_AT_decl_line, DW_FORM_data2,
DW_AT_decl_column, DW_FORM_data2,
DW_AT_location, DW_FORM_block1,
0, 0,
];
@ -1978,6 +1981,9 @@ static if (1)
debug_info.buf.writeString(getSymName(sa)); // DW_AT_name
debug_info.buf.write32(tidx); // DW_AT_type
debug_info.buf.writeByte(sa.Sflags & SFLartifical ? 1 : 0); // DW_FORM_tag
debug_info.buf.writeByte(filenum); // DW_AT_decl_file
debug_info.buf.write16(sa.lposscopestart.Slinnum); // DW_AT_decl_line
debug_info.buf.write16(sa.lposscopestart.Scharnum); // DW_AT_decl_column
soffset = cast(uint)debug_info.buf.length();
debug_info.buf.writeByte(2); // DW_FORM_block1
if (sa.Sfl == FLreg || sa.Sclass == SCpseudo)

4
test/dshell/extra-files/dwarf/excepted_results/fix21157.txt Normal file
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@ -0,0 +1,4 @@
DW_AT_decl_line : 1002
DW_AT_decl_column : 17
DW_AT_decl_line : 1003
DW_AT_decl_column : 9

10
test/dshell/extra-files/dwarf/fix21157.d Normal file
View file

@ -0,0 +1,10 @@
/*
EXTRA_ARGS: -main
*/
#line 1000
void foo()
{
int var1; // col: 9 (4 spaces + 3 chars + 1 space)
float var2; // col: 17 (10 spaces + 5 chars + 1 space)
}