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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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15
gdb/i387-tdep.c
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@@ -307,9 +307,10 @@ i387_convert_register_p (struct gdbarch *gdbarch, int regnum,
/* Read a value of type TYPE from register REGNUM in frame FRAME, and
return its contents in TO. */
void
int
i387_register_to_value (struct frame_info *frame, int regnum,
struct type *type, gdb_byte *to)
struct type *type, gdb_byte *to,
int *optimizedp, int *unavailablep)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
gdb_byte from[I386_MAX_REGISTER_SIZE];
@@ -321,12 +322,18 @@ i387_register_to_value (struct frame_info *frame, int regnum,
{
warning (_("Cannot convert floating-point register value "
"to non-floating-point type."));
return;
*optimizedp = *unavailablep = 0;
return 0;
}
/* Convert to TYPE. */
get_frame_register (frame, regnum, from);
if (!get_frame_register_bytes (frame, regnum, 0, TYPE_LENGTH (type),
from, optimizedp, unavailablep))
return 0;
convert_typed_floating (from, i387_ext_type (gdbarch), to, type);
*optimizedp = *unavailablep = 0;
return 1;
}
/* Write the contents FROM of a value of type TYPE into register