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* dwarf2loc.c (read_pieced_value): Handle get_frame_register_bytes
	returning that the register piece is unavailable/optimized out.
	(write_pieced_value): Handle get_frame_register_bytes returning
	that the register piece is unavailable/optimized out when doing a
	read-modify write of a bitfield.
	* findvar.c (value_from_register): Handle get_frame_register_bytes
	returning that the register piece is unavailable/optimized out.
	* frame.c (get_frame_register_bytes): New parameters `optimizedp'
	and `unavailablep'.  Throw error on bad debug info.  Use
	frame_register instead of frame_register_read, to fill in the new
	arguments.
	* frame.h (get_frame_register_bytes): New parameters `optimizedp'
	and `unavailablep'.
	* valops.c: (value_assign): Adjust, and handle
	get_frame_register_bytes failing.
	* spu-tdep.c: Include exceptions.h.
	(spu_software_single_step): Adjust, and handle
	get_frame_register_bytes failing.
	(spu_get_longjmp_target): Ditto.
	* gdbarch.sh (register_to_value): Change to return int.  New
	parameters `optimizedp' and `unavailablep'.
	* gdbarch.h, gdbarch.c: Regenerate.
	* i386-tdep.c (i386_register_to_value): Adjust to new
	gdbarch_register_to_value interface.
	* i387-tdep.c (i387_register_to_value): Ditto.
	* i387-tdep.h (i387_register_to_value): Ditto.
	* alpha-tdep.c (alpha_register_to_value): Ditto.
	* ia64-tdep.c (ia64_register_to_value): Ditto.
	* m68k-tdep.c (m68k_register_to_value): Ditto.
	* mips-tdep.c (mips_register_to_value): Ditto.
	* rs6000-tdep.c (rs6000_register_to_value): Ditto.
This commit is contained in:
Pedro Alves 2011-03-18 18:42:41 +00:00
parent 0fdb4f184b
commit 8dccd430c9
18 changed files with 241 additions and 72 deletions
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25
gdb/spu-tdep.c
View file

@ -45,7 +45,7 @@
#include "observer.h"
#include "infcall.h"
#include "dwarf2.h"
#include "exceptions.h"
#include "spu-tdep.h"
@ -1594,8 +1594,21 @@ spu_software_single_step (struct frame_info *frame)
target += SPUADDR_ADDR (pc);
else if (reg != -1)
{
get_frame_register_bytes (frame, reg, 0, 4, buf);
target += extract_unsigned_integer (buf, 4, byte_order) & -4;
int optim, unavail;
if (get_frame_register_bytes (frame, reg, 0, 4, buf,
&optim, &unavail))
target += extract_unsigned_integer (buf, 4, byte_order) & -4;
else
{
if (optim)
error (_("Could not determine address of "
"single-step breakpoint."));
if (unavail)
throw_error (NOT_AVAILABLE_ERROR,
_("Could not determine address of "
"single-step breakpoint."));
}
}
target = target & lslr;
@ -1618,9 +1631,13 @@ spu_get_longjmp_target (struct frame_info *frame, CORE_ADDR *pc)
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte buf[4];
CORE_ADDR jb_addr;
int optim, unavail;
/* Jump buffer is pointed to by the argument register $r3. */
get_frame_register_bytes (frame, SPU_ARG1_REGNUM, 0, 4, buf);
if (!get_frame_register_bytes (frame, SPU_ARG1_REGNUM, 0, 4, buf,
&optim, &unavail))
return 0;
jb_addr = extract_unsigned_integer (buf, 4, byte_order);
if (target_read_memory (SPUADDR (tdep->id, jb_addr), buf, 4))
return 0;