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Simplify regcache_dup 

regcache_dup, in fact, is to create a readonly regcache from a
non-readonly regcache.  This patch adds an assert that src is not
readonly.

gdb:

2017-04-28  Yao Qi  <yao.qi@linaro.org>

	* regcache.c (regcache_dup): Assert !src->m_readonly_p and
	call method save instead of regcache_cpy.
	* regcache.h (struct regcache): Make regcache_dup a friend.
This commit is contained in:
Yao Qi 2017-04-28 22:48:42 +01:00
parent ef79d9a3c6
commit b421c83cb8
3 changed files with 11 additions and 1 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2017-04-28 Yao Qi <yao.qi@linaro.org>
* regcache.c (regcache_dup): Assert !src->m_readonly_p and
call method save instead of regcache_cpy.
* regcache.h (struct regcache): Make regcache_dup a friend.
2017-04-28 Yao Qi <yao.qi@linaro.org>
* regcache.c (struct regcache): Move to regcache.h

3
gdb/regcache.c
View File

@ -422,8 +422,9 @@ regcache_dup (struct regcache *src)
{
struct regcache *newbuf;
gdb_assert (!src->m_readonly_p);
newbuf = regcache_xmalloc (src->arch (), get_regcache_aspace (src));
regcache_cpy (newbuf, src);
newbuf->save (do_cooked_read, src);
return newbuf;
}

3
gdb/regcache.h
View File

@ -373,6 +373,9 @@ private:
friend void
regcache_cpy (struct regcache *dst, struct regcache *src);
friend struct regcache *
regcache_dup (struct regcache *src);
};
/* Copy/duplicate the contents of a register cache. By default, the