https://sourceware.org/bugzilla/show_bug.cgi?id=24550
Bug ID: 24550
Summary: eu-readelf does not know about DW_AT_GNU_bias
Product: elfutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: tools
Assignee: unassigned at sourceware dot org
Reporter: tromey at sourceware dot org
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
The Ada compiler can emit DW_AT_GNU_bias in some situations.
Here is "tt.adb":
with Text_IO; use Text_IO;
procedure Tt is
type Small is range -7 .. -4;
for Small'Size use 2;
Y : Small := -5;
type Repeat_Count_T is range 1 .. 2 ** 6;
for Repeat_Count_T'Size use 6;
X : Repeat_Count_T := 64;
begin
Put_Line (X'Image);
Put_Line (Y'Image);
end Tt;
Compile with
gcc -fgnat-encodings=minimal -g -c tt.adb
gdb's dwarf2.def says:
/* Biased integer extension.
See https://gcc.gnu.org/wiki/DW_AT_GNU_bias . */
DW_TAG (DW_AT_GNU_bias, 0x2305)
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