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[Bug-gdb] Strange behaviour when displaying static var
From: |
Serge De Marre |
Subject: |
[Bug-gdb] Strange behaviour when displaying static var |
Date: |
Thu, 21 Sep 2000 09:06:01 GMT |
Hello all.
I have some strange behaviour when trying to display a static variable
which exists in several files.
Imagine the following situation: a project with 3 files:
-------------- test.c --------------
void f();
void g();
void h()
{
}
int main()
{
while (1) {
f();
g();
h();
}
return 0;
}
-------------- test1.c --------------
static int a;
void f()
{
++a;
}
-------------- test2.c --------------
static int a;
void g()
{
--a;
}
---------------------------------------
notice the "static int a" in both test1.c and test2.c
When running gdb (4.17, 4.18 or 5.0), I am doing the following:
(gdb) b h
(gdb) list test1.c:1
(gdb) disp a
(gdb) list test2.c:1
(gdb) disp a
(gdb) run
Breakpoint 1, h ()
2: a = -1
1: a = 1
(gdb) list test1.c:1
(gdb) disp a
(gdb) list test2.c:2
(gdb) disp a
(gdb) disp
4: a = -1
3: a = -1
2: a = -1
1: a = 1
Now my question is: why does the disp command figure out correctly what
"int a" I want to display before running the program, and why doesn't it
figure out after hitting a breakpoint ? Any ideas ?
--
========================================================================
Serge De Marre Development Engineer
CoWare, Inc. Tel: +32 (0)16 396 320
Interleuvenlaan 15a Fax: +32 (0)16 396 329
B-3001 Leuven Email: address@hidden
Belgium WWW: http://www.CoWare.com/
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