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2012-03-01 Pedro Alves <palves@redhat.com>

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PR gdb/13767

	gdb/
	* frame.c (read_frame_register_unsigned): New.
	* frame.h (read_frame_register_unsigned): Declare.
	* i387-tdep.c (print_i387_status_word): New parameter `status_p'.
	Handle it.
	(print_i387_control_word): New parameter `control_p'.  Handle it.
	(i387_print_float_info): Handle unavailable float registers.

	gdb/testsuite/
	* gdb.trace/unavailable.exp (gdb_unavailable_floats): New.
	(gdb_collect_globals_test): Call it.
This commit is contained in:
Pedro Alves 2012-03-01 20:49:02 +00:00
parent d3dc44a619
commit ad5f7d6ef7
6 changed files with 192 additions and 59 deletions
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7
gdb/frame.h
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@ -500,6 +500,13 @@ extern ULONGEST frame_unwind_register_unsigned (struct frame_info *frame,
extern ULONGEST get_frame_register_unsigned (struct frame_info *frame,
int regnum);
/* Read a a register from this, or unwind a register from the next
frame. Note that the read_frame methods are wrappers to
get_frame_register_value, that do not throw if the result is
optimized out or unavailable. */
extern int read_frame_register_unsigned (struct frame_info *frame,
int regnum, ULONGEST *val);
/* Get the value of the register that belongs to this FRAME. This
function is a wrapper to the call sequence ``frame_register_unwind