From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
To: libabigail@sourceware.org
Subject: [Bug default/26684] abidiff says that some bit field elements missing in version of binary with dwarf5 debuginfo.
Date: Thu, 01 Oct 2020 20:54:11 +0000 [thread overview]
Message-ID: <bug-26684-9487-oRFK4fUaMh@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-26684-9487@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=26684
--- Comment #8 from Mark Wielaard <mark at klomp dot org> ---
Simpler example that shows the issue:
struct pea
{
int type;
long a:1, b:1, c:1;
};
struct pea p;
gcc -gdwarf-4:
[ 1d] structure_type abbrev: 2
name (string) "pea"
byte_size (data1) 8
decl_file (data1) bf.c (1)
decl_line (data1) 1
decl_column (data1) 8
sibling (ref4) [ 62]
[ 2a] member abbrev: 3
name (strp) "type"
decl_file (data1) bf.c (1)
decl_line (data1) 3
decl_column (data1) 7
type (ref4) [ 62]
data_member_location (data1) 0
[ 37] member abbrev: 4
name (string) "a"
decl_file (data1) bf.c (1)
decl_line (data1) 4
decl_column (data1) 8
type (ref4) [ 69]
byte_size (data1) 8
bit_size (data1) 1
bit_offset (data1) 31
data_member_location (data1) 0
[ 45] member abbrev: 4
name (string) "b"
decl_file (data1) bf.c (1)
decl_line (data1) 4
decl_column (data1) 13
type (ref4) [ 69]
byte_size (data1) 8
bit_size (data1) 1
bit_offset (data1) 30
data_member_location (data1) 0
[ 53] member abbrev: 4
name (string) "c"
decl_file (data1) bf.c (1)
decl_line (data1) 4
decl_column (data1) 18
type (ref4) [ 69]
byte_size (data1) 8
bit_size (data1) 1
bit_offset (data1) 29
data_member_location (data1) 0
gcc -gdwarf-5:
[ 1e] structure_type abbrev: 3
name (string) "pea"
byte_size (data1) 8
decl_file (data1) bf.c (1)
decl_line (data1) 1
decl_column (data1) 8
sibling (ref4) [ 54]
[ 2b] member abbrev: 4
name (strp) "type"
decl_file (data1) bf.c (1)
decl_line (data1) 3
decl_column (data1) 7
type (ref4) [ 54]
data_member_location (data1) 0
[ 38] member abbrev: 1
name (string) "a"
decl_file (implicit_const) bf.c (1)
decl_line (implicit_const) 4
decl_column (data1) 8
type (ref4) [ 5b]
bit_size (implicit_const) 1
data_bit_offset (data1) 32
[ 41] member abbrev: 1
name (string) "b"
decl_file (implicit_const) bf.c (1)
decl_line (implicit_const) 4
decl_column (data1) 13
type (ref4) [ 5b]
bit_size (implicit_const) 1
data_bit_offset (data1) 33
[ 4a] member abbrev: 1
name (string) "c"
decl_file (implicit_const) bf.c (1)
decl_line (implicit_const) 4
decl_column (data1) 18
type (ref4) [ 5b]
bit_size (implicit_const) 1
data_bit_offset (data1) 34
--
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next prev parent reply other threads:[~2020-10-01 20:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 18:18 [Bug default/26684] New: " wcohen at redhat dot com
2020-09-30 18:19 ` [Bug default/26684] " wcohen at redhat dot com
2020-09-30 18:20 ` wcohen at redhat dot com
2020-09-30 18:21 ` wcohen at redhat dot com
2020-09-30 18:22 ` wcohen at redhat dot com
2020-10-01 16:01 ` mark at klomp dot org
2020-10-01 17:00 ` wcohen at redhat dot com
2020-10-01 20:50 ` mark at klomp dot org
2020-10-01 20:54 ` mark at klomp dot org [this message]
2020-10-01 21:55 ` mark at klomp dot org
2020-10-02 10:07 ` dodji at redhat dot com
2020-10-02 14:42 ` mark at klomp dot org
2020-10-02 14:46 ` mark at klomp dot org
2020-10-02 14:52 ` mark at klomp dot org
2020-10-20 10:26 ` dodji at redhat dot com
2020-10-23 8:24 ` dodji at redhat dot com
2020-10-23 10:35 ` fche at redhat dot com
2020-10-23 11:29 ` dodji at redhat dot com
2023-01-01 18:09 ` dodji at redhat dot com
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