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[Bug breakpoints/16465] New: -dprintf-insert does not store the string for pending dprintf
- From: "marc.khouzam at ericsson dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Sat, 18 Jan 2014 22:29:52 +0000
- Subject: [Bug breakpoints/16465] New: -dprintf-insert does not store the string for pending dprintf
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16465
Bug ID: 16465
Summary: -dprintf-insert does not store the string for pending
dprintf
Product: gdb
Version: 7.4
Status: NEW
Severity: normal
Priority: P2
Component: breakpoints
Assignee: unassigned at sourceware dot org
Reporter: marc.khouzam at ericsson dot com
Bug 15292 fixed pending dprintf for the CLI, but it seems they don't work
properly for the MI interface. What seems to happen is that the string to
print does not get stored so when the dprintf gets activated, it has nothing to
print.
Below is a session that compares pending dprintf using the CLI vs MI
interfaces:
> gdb.7.7 ~/runtime-TestDSF/myapp/Debug/myapp.exe
GNU gdb (GDB) 7.7.50.20140110-cvs
(gdb) interpreter-exec mi "-dprintf-insert -f mydll.c:1 \"hello\""
&"No source file named mydll.c.\n"
^done,bkpt={number="1",type="dprintf",disp="keep",enabled="y",addr="<PENDING>",pending="mydll.c:1",times="0",original-location="mydll.c:1"}
(gdb) dprintf mydll.c:2,"hello"
No source file named mydll.c.
Make dprintf pending on future shared library load? (y or [n]) y
Dprintf 2 (mydll.c:2,"hello") pending.
(gdb) info b
Num Type Disp Enb Address What
1 dprintf keep y <PENDING> mydll.c:1
2 dprintf keep y <PENDING> mydll.c:2,"hello"
(gdb) b 18
Breakpoint 3 at 0x400754: file ../src/myapp.c, line 18.
(gdb) r
Starting program: /home/lmckhou/runtime-TestDSF/myapp/Debug/myapp.exe
Breakpoint 3, main () at ../src/myapp.c:18
18 handle =
dlopen("/home/lmckhou/runtime-TestDSF/myLinuxDll/Debug/libmyLinuxDll",
RTLD_LAZY);
(gdb) n
Error in re-setting breakpoint 1: Format string required
19 if (!handle) {
(gdb) inf b
Num Type Disp Enb Address What
1 dprintf keep y 0x00007ffff7633560 in foo at ../src/mydll.c:1
2 dprintf keep y 0x00007ffff7633560 in foo at ../src/mydll.c:2
printf "hello"
3 breakpoint keep y 0x0000000000400754 in main at ../src/myapp.c:18
breakpoint already hit 1 time
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