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* [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
@ 2022-07-27 9:56 vries at gcc dot gnu.org
2022-07-27 10:09 ` [Bug testsuite/29416] " vries at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: vries at gcc dot gnu.org @ 2022-07-27 9:56 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=29416
Bug ID: 29416
Summary: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp:
print 16#ffffffffffffffff#
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: testsuite
Assignee: unassigned at sourceware dot org
Reporter: vries at gcc dot gnu.org
Target Milestone: ---
On aarch64, I run into:
...
(gdb) print 16#ffffffffffffffff#^M
$7 = 18446744073709551615^M
(gdb) FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
...
On x86_64 instead, I get:
...
(gdb) print 16#ffffffffffffffff#^M
$7 = -1^M
(gdb) PASS: gdb.ada/literals.exp: print 16#ffffffffffffffff#
...
I can reproduce this on x86_64-linux using:
...
$ gdb -q -batch -ex "set lang ada" -ex "set arch i386" -ex "print
16#ffffffffffffffff#"
The target architecture is set to "i386".
$1 = -1
$ gdb -q -batch -ex "set lang ada" -ex "set arch aarch64" -ex "print
16#ffffffffffffffff#"
The target architecture is set to "aarch64".
$1 = 18446744073709551615
...
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* [Bug testsuite/29416] [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
2022-07-27 9:56 [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff# vries at gcc dot gnu.org
@ 2022-07-27 10:09 ` vries at gcc dot gnu.org
2022-07-27 10:35 ` vries at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: vries at gcc dot gnu.org @ 2022-07-27 10:09 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=29416
--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
With i386, we have:
...
(gdb) p int_bits
$3 = 32
(gdb) p long_bits
$4 = 32
(gdb) p long_long_bits
$5 = 64
...
so in processInt we hit the fits-in-unsigned-long-long case where we use as
type long long, so we have:
...
/* Note: Interprets ULLONG_MAX as -1. */
yylval.typed_val.type = type_long_long (par_state);
...
With aarch64, we have:
...
(gdb) p int_bits
$1 = 32
(gdb) p long_bits
$2 = 64
(gdb) p long_long_bits
$3 = 64
...
so in processInt we hit the fits-in-unsigned-long case and we use type unsigned
long:
...
yylval.typed_val.type
= builtin_type (par_state->gdbarch ())->builtin_unsigned_long;
...
This explains the difference between the two results.
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* [Bug testsuite/29416] [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
2022-07-27 9:56 [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff# vries at gcc dot gnu.org
2022-07-27 10:09 ` [Bug testsuite/29416] " vries at gcc dot gnu.org
@ 2022-07-27 10:35 ` vries at gcc dot gnu.org
2022-07-29 14:30 ` vries at gcc dot gnu.org
2022-07-30 6:03 ` [Bug ada/29416] " vries at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: vries at gcc dot gnu.org @ 2022-07-27 10:35 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=29416
--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
https://sourceware.org/pipermail/gdb-patches/2022-July/191107.html
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* [Bug testsuite/29416] [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
2022-07-27 9:56 [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff# vries at gcc dot gnu.org
2022-07-27 10:09 ` [Bug testsuite/29416] " vries at gcc dot gnu.org
2022-07-27 10:35 ` vries at gcc dot gnu.org
@ 2022-07-29 14:30 ` vries at gcc dot gnu.org
2022-07-30 6:03 ` [Bug ada/29416] " vries at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: vries at gcc dot gnu.org @ 2022-07-29 14:30 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=29416
--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
Status: waiting for Joel / adacore to come back to say how they want it fixed (
https://sourceware.org/pipermail/gdb-patches/2022-July/191129.html ).
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* [Bug ada/29416] [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff#
2022-07-27 9:56 [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff# vries at gcc dot gnu.org
` (2 preceding siblings ...)
2022-07-29 14:30 ` vries at gcc dot gnu.org
@ 2022-07-30 6:03 ` vries at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: vries at gcc dot gnu.org @ 2022-07-30 6:03 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=29416
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |13.1
Component|testsuite |ada
--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=61b9faef51ddd40f9e6de0e41b66c41cd943d868
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2022-07-27 9:56 [Bug testsuite/29416] New: [gdb, testsuite/aarch64] FAIL: gdb.ada/literals.exp: print 16#ffffffffffffffff# vries at gcc dot gnu.org
2022-07-27 10:09 ` [Bug testsuite/29416] " vries at gcc dot gnu.org
2022-07-27 10:35 ` vries at gcc dot gnu.org
2022-07-29 14:30 ` vries at gcc dot gnu.org
2022-07-30 6:03 ` [Bug ada/29416] " vries at gcc dot gnu.org
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