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Change maybe_disable_address_space_randomization to a class

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This changes maybe_disable_address_space_randomization to be an RAII
class, rather than having it return a cleanup.

Regression tested by the buildbot.

ChangeLog
2017-11-26  Tom Tromey  <tom@tromey.com>

	* nat/linux-personality.h (class
	maybe_disable_address_space_randomization): New class.
	(maybe_disable_address_space_randomization): Don't declare
	function.
	* nat/linux-personality.c (restore_personality)
	(make_disable_asr_cleanup): Remove.
	(maybe_disable_address_space_randomization): Now a constructor.
	(~maybe_disable_address_space_randomization): New destructor.
	* linux-nat.c (linux_nat_create_inferior): Update.

gdbserver/ChangeLog
2017-11-26  Tom Tromey  <tom@tromey.com>

	* linux-low.c (linux_create_inferior): Update.
This commit is contained in:
Tom Tromey
2017-11-22 09:30:21 -07:00
parent 44287fd890
commit 41272101db
6 changed files with 72 additions and 67 deletions
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27
gdb/nat/linux-personality.h
View File

@ -20,12 +20,27 @@
#ifndef NAT_LINUX_PERSONALITY_H
#define NAT_LINUX_PERSONALITY_H
/* Disable the inferior's address space randomization if
DISABLE_RANDOMIZATION is not zero and if we have
<sys/personality.h>. Return a cleanup which, when called, will
re-enable the inferior's address space randomization. */
class maybe_disable_address_space_randomization
{
public:
extern struct cleanup *maybe_disable_address_space_randomization
(int disable_randomization);
/* Disable the inferior's address space randomization if
DISABLE_RANDOMIZATION is not zero and if we have
<sys/personality.h>. */
maybe_disable_address_space_randomization (int disable_randomization);
/* On destruction, re-enable address space randomization. */
~maybe_disable_address_space_randomization ();
DISABLE_COPY_AND_ASSIGN (maybe_disable_address_space_randomization);
private:
/* True if the personality was set in the constructor. */
bool m_personality_set;
/* If m_personality_set is true, the original personality value. */
int m_personality_orig;
};
#endif /* ! NAT_LINUX_PERSONALITY_H */