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const-fy regcache::m_aspace

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regcache::m_aspace is a const, never changed during the lifetime of
regcache object.  The address_space object is a const object too.

gdb:

2017-11-02  Yao Qi  <yao.qi@linaro.org>

	* breakpoint.c (insert_single_step_breakpoints): Update.
	* frame.c (struct frame_info) <aspace>: Add const.
	(frame_save_as_regcache): Add const.
	(get_frame_address_space): Return const address_space *.
	* frame.h (get_frame_address_space): Update declaration.
	* infrun.c (struct step_over_info) <aspace>: Add const.
	(set_step_over_info): Make aspace const.
	(displaced_step_prepare_throw): Change variable const.
	(resume): Likewise.
	(proceed): Likewise.
	(adjust_pc_after_break): Likewise.
	(save_waitstatus): Likewise.
	(handle_signal_stop): Likewise.
	(keep_going_pass_signal): Likewise.
	* jit.c (jit_frame_sniffer): Add const.
	* mips-tdep.c (mips_single_step_through_delay): Likewise.
	* ppc-linux-tdep.c (ppu2spu_sniffer): Likewise.
	* record-full.c (record_full_wait_1): Likewise.
	* regcache.c (regcache::regcache): Change parameter to const.
	* regcache.h (regcache::regcache): Likewise.
	(regcache::aspace): Return const address_space *.
	(regcache) <m_aspace>: Add const.
This commit is contained in:
Yao Qi
2017-11-02 15:15:42 +00:00
parent a01bda5221
commit 8b86c95921
11 changed files with 56 additions and 31 deletions
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6
gdb/frame.c
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@@ -99,7 +99,7 @@ struct frame_info
struct program_space *pspace;
/* The frame's address space. */
struct address_space *aspace;
const address_space *aspace;
/* The frame's low-level unwinder and corresponding cache. The
low-level unwinder is responsible for unwinding register values
@@ -1020,7 +1020,7 @@ do_frame_register_read (void *src, int regnum, gdb_byte *buf)
std::unique_ptr<struct regcache>
frame_save_as_regcache (struct frame_info *this_frame)
{
struct address_space *aspace = get_frame_address_space (this_frame);
const address_space *aspace = get_frame_address_space (this_frame);
std::unique_ptr<struct regcache> regcache
(new struct regcache (get_frame_arch (this_frame), aspace));
@@ -2643,7 +2643,7 @@ frame_unwind_program_space (struct frame_info *this_frame)
return this_frame->pspace;
}
struct address_space *
const address_space *
get_frame_address_space (struct frame_info *frame)
{
return frame->aspace;