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Fix gdb.base/maint.exp regressions

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This commit fixes these regressions:

 FAIL: gdb.base/maint.exp: mt set per on for expand-symtabs
 FAIL: gdb.base/maint.exp: maint set per-command on

caused by commit 1e3b796d58 ("Change command stats reporting to use
class").

gdb.log shows that the command stats are now printing garbage:

 (gdb) mt set per on
 Command execution time: -6.-419590 (cpu), 1467139648.-7706296840 (wall)
 Space used: 9809920 (-33276528 for this command)
 (gdb) FAIL: gdb.base/maint.exp: mt set per on for expand-symtabs

while there should have been no output at all.

The stats printing is done from within the scoped_command_stats's
destructor, depending on whether some flags in the object are set.
The problem is simply that scoped_command_stats's ctor misses clearing
those flags on some paths.

Since scoped_command_stats objects are allocated on the stack, whether
you'll see the regression simply depends on whatever happens to
already be on the stack space the object occupies.

gdb/ChangeLog:
2016-10-28  Pedro Alves  <palves@redhat.com>

	* maint.c (scoped_command_stats::scoped_command_stats): Clear
	m_space_enabled, m_time_enabled and m_symtab_enabled.
This commit is contained in:
Pedro Alves 2016-10-28 01:09:06 +01:00
parent d87fdac359
commit 44d83468ec
2 changed files with 11 additions and 0 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2016-10-28 Pedro Alves <palves@redhat.com>
* maint.c (scoped_command_stats::scoped_command_stats): Clear
m_space_enabled, m_time_enabled and m_symtab_enabled.
2016-10-28 Markus Metzger <markus.t.metzger@intel.com>
* btrace.c (bfun_s): New typedef.

6
gdb/maint.c
View File

@ -887,6 +887,8 @@ scoped_command_stats::scoped_command_stats (bool msg_type)
m_space_enabled = 1;
#endif
}
else
m_space_enabled = 0;
if (msg_type == 0 || per_command_time)
{
@ -894,6 +896,8 @@ scoped_command_stats::scoped_command_stats (bool msg_type)
gettimeofday (&m_start_wall_time, NULL);
m_time_enabled = 1;
}
else
m_time_enabled = 0;
if (msg_type == 0 || per_command_symtab)
{
@ -905,6 +909,8 @@ scoped_command_stats::scoped_command_stats (bool msg_type)
m_start_nr_blocks = nr_blocks;
m_symtab_enabled = 1;
}
else
m_symtab_enabled = 0;
/* Initalize timer to keep track of how long we waited for the user. */
reset_prompt_for_continue_wait_time ();