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* regcache.h (regcache_raw_read, regcache_raw_read_signed)
	(regcache_raw_read_unsigned, regcache_raw_read_signed)
	(regcache_raw_read_unsigned, regcache_raw_read_part)
	(regcache_cooked_read, regcache_cooked_read_signed)
	(regcache_cooked_read_unsigned, regcache_cooked_read_part)
	(regcache_cooked_read_ftype): Change return to enum
	register_status.
	* regcache.c: Include exceptions.h
	(regcache_save): Adjust to handle REG_UNAVAILABLE registers.
	(do_cooked_read): Change return to enum register_status.  Always
	forward to regcache_cooked_read.
	(regcache_raw_read): Change return to enum register_status.  If
	the register is not REG_VALID, memset the buffer.  Return the
	register's status.
	(regcache_raw_read_signed): Handle non-REG_VALID registers and
	return the register's status.
	(regcache_raw_read_unsigned): Ditto.
	(regcache_cooked_read): Change return to enum register_status.
	Assert that with read-only regcaches, the register's status must
	be known.  If the regcache is read-only, and the register is not
	REG_VALID, memset the buffer.  Return the register's status.
	(regcache_cooked_read_signed): Change return to enum
	register_status.  Handle non-REG_VALID registers and return the
	register's status.
	(regcache_cooked_read_unsigned): Change return to enum
	register_status.  Handle non-REG_VALID registers and return the
	register's status.
	(regcache_xfer_part, regcache_raw_read_part)
	(regcache_cooked_read_part): Change return to enum
	register_status.  Return the register's status.
	(regcache_read_pc): Throw NOT_AVAILABLE_ERROR if the register is
	unavailable.
	(regcache_dump): Handle unavailable cooked registers.
	* frame.c (do_frame_register_read): Adjust interface to match
	regcache_cooked_read_ftype.
	* gdbarch.sh (pseudo_register_read): Change return to enum
	register_status.
	* gdbarch.h, gdbarch.c: Regenerate.

	* i386-tdep.h (i386_pseudo_register_read): Change return to enum
	register_status.
	* i386-tdep.c (i386_pseudo_register_read): Change return to enum
	register_status.  If reading a raw register indicates the raw
	register is not valid, return the raw register's status,
	otherwise, return REG_VALID.
	* amd64-tdep.c (amd64_pseudo_register_read): Change return to enum
	register_status.  Handle non-REG_VALID raw registers and return
	the register's status.
	* arm-tdep.c (arm_neon_quad_read)
	(arm_pseudo_read): Change return to enum register_status.  Handle
	non-REG_VALID raw registers and return the register's status.
	* avr-tdep.c (avr_pseudo_register_read): Ditto.
	* frv-tdep.c (frv_pseudo_register_read): Ditto.
	* h8300-tdep.c (h8300_pseudo_register_read): Ditto.
	* hppa-tdep.c (hppa_pseudo_register_read): Ditto.
	* m32c-tdep.c (m32c_move_reg_t): Change return to enum
	register_status.
	(m32c_raw_read, m32c_raw_write, m32c_banked_read)
	(m32c_banked_write, m32c_sb_read, m32c_sb_write, m32c_part_read)
	(m32c_part_write, m32c_cat_read, m32c_cat_write)
	(m32c_r3r2r1r0_read, m32c_r3r2r1r0_write)
	(m32c_pseudo_register_read): Change return to enum
	register_status.  Adjust.
	* m68hc11-tdep.c (m68hc11_pseudo_register_read): Change return to
	enum register_status.  Return the register's status.
	* mep-tdep.c (mep_pseudo_cr32_read): Change return to enum
	register_status.  Return the register's status.
	(mep_pseudo_cr64_read, mep_pseudo_register_read): Ditto.
	* mips-tdep.c (mips_pseudo_register_read): Ditto.
	* mt-tdep.c (mt_pseudo_register_read): Ditto.
	* rs6000-tdep.c (move_ev_register_func): New typedef.
	(e500_move_ev_register): Use it.  Change return to enum
	register_status.  Return the register's status.
	(do_regcache_raw_read): New function.
	(do_regcache_raw_write): New function.
	(e500_pseudo_register_read): Change return to enum
	register_status.  Return the register's status.  Use
	do_regcache_raw_read.
	(e500_pseudo_register_write): Adjust.  Use do_regcache_raw_write.
	(dfp_pseudo_register_read): Change return to enum register_status.
	Return the register's status.
	(vsx_pseudo_register_read): Ditto.
	(efpr_pseudo_register_read): Ditto.
	(rs6000_pseudo_register_read): Ditto.
	* s390-tdep.c (s390_pseudo_register_read): Change return to enum
	register_status.  Return the register's status.
	* sh64-tdep.c (pseudo_register_read_portions): New function.
	(sh64_pseudo_register_read): Change return to enum
	register_status.  Use pseudo_register_read_portions.  Return the
	register's status.
	* ia64-tdep.c (ia64_pseudo_register_read): Change return to enum
	register_status.  Return the register's status.
	* sh-tdep.c (pseudo_register_read_portions): New function.
	(sh_pseudo_register_read): Change return to enum register_status.
	Use pseudo_register_read_portions.  Return the register's status.
	* sparc-tdep.c (sparc32_pseudo_register_read): Change return to
	enum register_status.  Return the register's status.
	* sparc64-tdep.c (sparc64_pseudo_register_read): Ditto.
	* spu-tdep.c (spu_pseudo_register_read_spu)
	(spu_pseudo_register_read): Ditto.
	* xtensa-tdep.c (xtensa_register_read_masked)
	(xtensa_pseudo_register_read): Ditto.
	* bfin-tdep.c (bfin_pseudo_register_read): Ditto.
This commit is contained in:
Pedro Alves
2011-03-18 18:38:44 +00:00
parent 5548b4ce8c
commit 05d1431c1e
30 changed files with 842 additions and 396 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
gdb/ia64-tdep.c
View File

@ -933,11 +933,12 @@ rse_address_add(CORE_ADDR addr, int nslots)
return new_addr;
}
static void
static enum register_status
ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
int regnum, gdb_byte *buf)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
enum register_status status;
if (regnum >= V32_REGNUM && regnum <= V127_REGNUM)
{
@ -952,12 +953,21 @@ ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
found sequentially in memory starting at $bof. This
isn't always true, but without libunwind, this is the
best we can do. */
enum register_status status;
ULONGEST cfm;
ULONGEST bsp;
CORE_ADDR reg;
regcache_cooked_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp);
regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
status = regcache_cooked_read_unsigned (regcache,
IA64_BSP_REGNUM, &bsp);
if (status != REG_VALID)
return status;
status = regcache_cooked_read_unsigned (regcache,
IA64_CFM_REGNUM, &cfm);
if (status != REG_VALID)
return status;
/* The bsp points at the end of the register frame so we
subtract the size of frame from it to get start of
register frame. */
@ -979,7 +989,9 @@ ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
{
ULONGEST unatN_val;
ULONGEST unat;
regcache_cooked_read_unsigned (regcache, IA64_UNAT_REGNUM, &unat);
status = regcache_cooked_read_unsigned (regcache, IA64_UNAT_REGNUM, &unat);
if (status != REG_VALID)
return status;
unatN_val = (unat & (1LL << (regnum - IA64_NAT0_REGNUM))) != 0;
store_unsigned_integer (buf, register_size (gdbarch, regnum),
byte_order, unatN_val);
@ -990,8 +1002,12 @@ ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
ULONGEST bsp;
ULONGEST cfm;
CORE_ADDR gr_addr = 0;
regcache_cooked_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp);
regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
status = regcache_cooked_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp);
if (status != REG_VALID)
return status;
status = regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
if (status != REG_VALID)
return status;
/* The bsp points at the end of the register frame so we
subtract the size of frame from it to get start of register frame. */
@ -1028,8 +1044,12 @@ ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
ULONGEST bsp, vbsp;
ULONGEST cfm;
CORE_ADDR reg;
regcache_cooked_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp);
regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
status = regcache_cooked_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp);
if (status != REG_VALID)
return status;
status = regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
if (status != REG_VALID)
return status;
/* The bsp points at the end of the register frame so we
subtract the size of frame from it to get beginning of frame. */
@ -1043,8 +1063,12 @@ ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
ULONGEST cfm;
ULONGEST prN_val;
CORE_ADDR reg;
regcache_cooked_read_unsigned (regcache, IA64_PR_REGNUM, &pr);
regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
status = regcache_cooked_read_unsigned (regcache, IA64_PR_REGNUM, &pr);
if (status != REG_VALID)
return status;
status = regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
if (status != REG_VALID)
return status;
if (VP16_REGNUM <= regnum && regnum <= VP63_REGNUM)
{
@ -1062,6 +1086,8 @@ ia64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
}
else
memset (buf, 0, register_size (gdbarch, regnum));
return REG_VALID;
}
static void
@ -1132,7 +1158,8 @@ ia64_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
collection from the computed address. */
if (nat_addr >= bsp)
{
regcache_cooked_read_unsigned (regcache, IA64_RNAT_REGNUM,
regcache_cooked_read_unsigned (regcache,
IA64_RNAT_REGNUM,
&nat_collection);
if (natN_val)
nat_collection |= natN_mask;