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[RFA] Improvements for sh double register display
- From: Michael Snyder <msnyder at redhat dot com>
- To: gdb-patches at sources dot redhat dot com
- Cc: ezannoni <ezannoni at sources dot redhat dot com>
- Date: Wed, 02 Jul 2003 11:01:39 -0700
- Subject: [RFA] Improvements for sh double register display
- Organization: Red Hat, Inc.
2003-07-02 Michael Snyder <msnyder@redhat.com>
* sh-tdep.c (do_dr_register_info): Fix register number output
(0, 2, 4, ... not 0, 1, 2...). Display DP register both in
hex and in floating point (noting when it is not valid FP).
Index: sh-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/sh-tdep.c,v
retrieving revision 1.132
diff -p -r1.132 sh-tdep.c
*** sh-tdep.c 13 Jun 2003 04:40:34 -0000 1.132
--- sh-tdep.c 2 Jul 2003 18:00:22 -0000
*************** static void
*** 3928,3938 ****
do_dr_register_info (int dr_regnum)
{
int first_fp_reg_num = dr_reg_base_num (dr_regnum);
! printf_filtered ("dr%d\t0x%08x%08x\n",
! dr_regnum - gdbarch_tdep (current_gdbarch)->DR0_REGNUM,
! (int) read_register (first_fp_reg_num),
! (int) read_register (first_fp_reg_num + 1));
}
/* Double precision registers, compact mode. */
--- 3928,3962 ----
do_dr_register_info (int dr_regnum)
{
int first_fp_reg_num = dr_reg_base_num (dr_regnum);
+ char *raw_buffer;
+ double dbl;
+ int inv;
! /* Allocate space for the float. */
! raw_buffer = (char *) alloca (2 * REGISTER_RAW_SIZE (FP0_REGNUM));
!
! /* Get the data in raw format. */
! if (!frame_register_read (get_selected_frame (),
! first_fp_reg_num, raw_buffer)
! || !frame_register_read (get_selected_frame (),
! first_fp_reg_num + 1,
! raw_buffer + REGISTER_RAW_SIZE (FP0_REGNUM)))
! error ("can't read register %d (%s)",
! dr_regnum, REGISTER_NAME (dr_regnum));
!
! /* Get the register as a number */
! dbl = unpack_double (builtin_type_double, raw_buffer, &inv);
!
! dr_regnum = 2 * (dr_regnum - gdbarch_tdep (current_gdbarch)->DR0_REGNUM);
! printf_filtered ("dr%d\t0x%08x%08x ",
! dr_regnum,
! (int) read_register (first_fp_reg_num),
! (int) read_register (first_fp_reg_num + 1));
!
! if (inv)
! printf_filtered ("<invalid double>\n");
! else
! printf_filtered ("(%.9g)\n", dbl);
}
/* Double precision registers, compact mode. */