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New OPTIMIZED_OUT_ERROR error code.

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In order to catch <optimized out> errors like we catch <unavailable>
errors, this adds a new OPTIMIZED_OUT_ERROR error code, and throws it
in various places.

gdb/ChangeLog
2013-12-06  Andrew Burgess  <aburgess@broadcom.com>
	    Pedro Alves  <palves@redhat.com>

	* exceptions.h (errors): Add OPTIMIZED_OUT_ERROR.
	* dwarf2loc.c (write_pieced_value): Throw OPTIMIZED_OUT_ERROR.
	* frame.c (frame_unwind_register): Throw OPTIMIZED_OUT_ERROR.
	* spu-tdep.c (spu_software_single_step): Throw
	OPTIMIZED_OUT_ERROR.
	* valops.c (value_assign): Throw OPTIMIZED_OUT_ERROR.
This commit is contained in:
Pedro Alves 2013-12-06 19:48:54 +00:00
parent 7580e91767
commit 710409a221
6 changed files with 25 additions and 7 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2013-12-06 Andrew Burgess <aburgess@broadcom.com>
Pedro Alves <palves@redhat.com>
* exceptions.h (errors): Add OPTIMIZED_OUT_ERROR.
* dwarf2loc.c (write_pieced_value): Throw OPTIMIZED_OUT_ERROR.
* frame.c (frame_unwind_register): Throw OPTIMIZED_OUT_ERROR.
* spu-tdep.c (spu_software_single_step): Throw
OPTIMIZED_OUT_ERROR.
* valops.c (value_assign): Throw OPTIMIZED_OUT_ERROR.
2013-12-06 Tom Tromey <tromey@redhat.com>
* objfiles.c (free_objfile): Update comment.

7
gdb/dwarf2loc.c
View File

@ -1893,9 +1893,10 @@ write_pieced_value (struct value *to, struct value *from)
&optim, &unavail))
{
if (optim)
error (_("Can't do read-modify-write to "
"update bitfield; containing word has been "
"optimized out"));
throw_error (OPTIMIZED_OUT_ERROR,
_("Can't do read-modify-write to "
"update bitfield; containing word "
"has been optimized out"));
if (unavail)
throw_error (NOT_AVAILABLE_ERROR,
_("Can't do read-modify-write to update "

4
gdb/exceptions.h
View File

@ -86,6 +86,10 @@ enum errors {
traceframe. */
NOT_AVAILABLE_ERROR,
/* Value was optimized out. Note: if the value was a register, this
means the register was not saved in the frame. */
OPTIMIZED_OUT_ERROR,
/* DW_OP_GNU_entry_value resolving failed. */
NO_ENTRY_VALUE_ERROR,

3
gdb/frame.c
View File

@ -1007,7 +1007,8 @@ frame_unwind_register (struct frame_info *frame, int regnum, gdb_byte *buf)
&lval, &addr, &realnum, buf);
if (optimized)
error (_("Register %d was not saved"), regnum);
throw_error (OPTIMIZED_OUT_ERROR,
_("Register %d was not saved"), regnum);
if (unavailable)
throw_error (NOT_AVAILABLE_ERROR,
_("Register %d is not available"), regnum);

5
gdb/spu-tdep.c
View File

@ -1614,8 +1614,9 @@ spu_software_single_step (struct frame_info *frame)
else
{
if (optim)
error (_("Could not determine address of "
"single-step breakpoint."));
throw_error (OPTIMIZED_OUT_ERROR,
_("Could not determine address of "
"single-step breakpoint."));
if (unavail)
throw_error (NOT_AVAILABLE_ERROR,
_("Could not determine address of "

3
gdb/valops.c
View File

@ -1188,7 +1188,8 @@ value_assign (struct value *toval, struct value *fromval)
&optim, &unavail))
{
if (optim)
error (_("value has been optimized out"));
throw_error (OPTIMIZED_OUT_ERROR,
_("value has been optimized out"));
if (unavail)
throw_error (NOT_AVAILABLE_ERROR,
_("value is not available"));