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* [Bug gdb/18733] New: GDB sees alternative instance of static template member variable in shared objects
@ 2015-07-29 11:59 christopher.hite at sc dot com
2015-07-29 12:00 ` [Bug gdb/18733] " christopher.hite at sc dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: christopher.hite at sc dot com @ 2015-07-29 11:59 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18733
Bug ID: 18733
Summary: GDB sees alternative instance of static template
member variable in shared objects
Product: gdb
Version: 7.9
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: christopher.hite at sc dot com
Target Milestone: ---
Created attachment 8456
--> https://sourceware.org/bugzilla/attachment.cgi?id=8456&action=edit
main (would like to submit all files in one post)
gdb-7.9.1 and 7.7.1
When a templated class's static member variable is defined in referenced in
multiple compilation scopes it must be reference the same object.
The code works fine. GDB sees some other instance of the object which isn't
updating.
13 X<0>::m=2;
(gdb) n
14 printState();
(gdb) print X<0>::m
$4 = 1 <============ Should be 2
(gdb) n
2 2
This works as expected when the program is built like this:
g++ -g *.cpp
but not when built like this:
g++ -c -g -fpic lib.cpp
g++ -shared -o liblib.so lib.o
g++ main.cpp -g -L. -llib
I will attach the tiny sources. This is a very reproducible bug.
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* [Bug gdb/18733] GDB sees alternative instance of static template member variable in shared objects
2015-07-29 11:59 [Bug gdb/18733] New: GDB sees alternative instance of static template member variable in shared objects christopher.hite at sc dot com
@ 2015-07-29 12:00 ` christopher.hite at sc dot com
2015-07-29 12:01 ` christopher.hite at sc dot com
2015-07-30 14:54 ` christopher.hite at sc dot com
2 siblings, 0 replies; 4+ messages in thread
From: christopher.hite at sc dot com @ 2015-07-29 12:00 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18733
--- Comment #1 from Christopher Hite <christopher.hite at sc dot com> ---
Created attachment 8457
--> https://sourceware.org/bugzilla/attachment.cgi?id=8457&action=edit
header
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* [Bug gdb/18733] GDB sees alternative instance of static template member variable in shared objects
2015-07-29 11:59 [Bug gdb/18733] New: GDB sees alternative instance of static template member variable in shared objects christopher.hite at sc dot com
2015-07-29 12:00 ` [Bug gdb/18733] " christopher.hite at sc dot com
@ 2015-07-29 12:01 ` christopher.hite at sc dot com
2015-07-30 14:54 ` christopher.hite at sc dot com
2 siblings, 0 replies; 4+ messages in thread
From: christopher.hite at sc dot com @ 2015-07-29 12:01 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18733
--- Comment #2 from Christopher Hite <christopher.hite at sc dot com> ---
Created attachment 8458
--> https://sourceware.org/bugzilla/attachment.cgi?id=8458&action=edit
lib which defines X<0>::m
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* [Bug gdb/18733] GDB sees alternative instance of static template member variable in shared objects
2015-07-29 11:59 [Bug gdb/18733] New: GDB sees alternative instance of static template member variable in shared objects christopher.hite at sc dot com
2015-07-29 12:00 ` [Bug gdb/18733] " christopher.hite at sc dot com
2015-07-29 12:01 ` christopher.hite at sc dot com
@ 2015-07-30 14:54 ` christopher.hite at sc dot com
2 siblings, 0 replies; 4+ messages in thread
From: christopher.hite at sc dot com @ 2015-07-30 14:54 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=18733
Christopher Hite <christopher.hite at sc dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |christopher.hite at sc dot com
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2015-07-29 11:59 [Bug gdb/18733] New: GDB sees alternative instance of static template member variable in shared objects christopher.hite at sc dot com
2015-07-29 12:00 ` [Bug gdb/18733] " christopher.hite at sc dot com
2015-07-29 12:01 ` christopher.hite at sc dot com
2015-07-30 14:54 ` christopher.hite at sc dot com
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