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Determine the kind of single step breakpoint

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This patch adds a new gdbarch method breakpoint_kind_from_current_state
for single step breakpoint, and uses it in breakpoint_kind.

gdb:

2016-11-03  Yao Qi  <yao.qi@linaro.org>

	* arch-utils.c (default_breakpoint_kind_from_current_state):
	New function.
	* arch-utils.h (default_breakpoint_kind_from_current_state):
	Declare.
	* arm-tdep.c (arm_breakpoint_kind_from_current_state): New
	function.
	(arm_gdbarch_init): Call
	set_gdbarch_breakpoint_kind_from_current_state.
	* breakpoint.c (breakpoint_kind): Call
	gdbarch_breakpoint_kind_from_current_state for single step
	breakpoint.  Update comments.
	* gdbarch.sh (breakpoint_kind_from_current_state): New.
	* gdbarch.c, gdbarch.h: Regenerate.
This commit is contained in:
Yao Qi
2016-11-03 14:35:14 +00:00
parent 22f13eb869
commit 833b7ab500
8 changed files with 135 additions and 2 deletions
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4
gdb/arch-utils.h
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@@ -218,6 +218,10 @@ extern const gdb_byte *default_breakpoint_from_pc (struct gdbarch *gdbarch,
CORE_ADDR *pcptr,
int *lenptr);
extern int default_breakpoint_kind_from_current_state (struct gdbarch *gdbarch,
struct regcache *regcache,
CORE_ADDR *pcptr);
extern void default_gen_return_address (struct gdbarch *gdbarch,
struct agent_expr *ax,
struct axs_value *value,