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gdb: Add ax_pseudo_register_collect for powerpc. 

gdb/ChangeLog:

	* rs6000-tdep.c (rs6000_ax_pseudo_register_collect): New function.
	(rs6000_gdbarch_init): Wire in the above.
This commit is contained in:
Marcin Kościelnicki 2016-01-07 17:19:25 +01:00
parent fd91f0024c
commit 2a2fa07bd1
2 changed files with 51 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2016-03-09 Marcin Kościelnicki <koriakin@0x04.net>
* rs6000-tdep.c (rs6000_ax_pseudo_register_collect): New function.
(rs6000_gdbarch_init): Wire in the above.
2016-03-09 Andreas Arnez <arnez@linux.vnet.ibm.com>
* s390-linux-tdep.c (s390_analyze_prologue): Ignore BRC and BRCL

46
gdb/rs6000-tdep.c
View File

@ -2919,6 +2919,50 @@ rs6000_pseudo_register_write (struct gdbarch *gdbarch,
gdbarch_register_name (gdbarch, reg_nr), reg_nr);
}
static int
rs6000_ax_pseudo_register_collect (struct gdbarch *gdbarch,
struct agent_expr *ax, int reg_nr)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (IS_SPE_PSEUDOREG (tdep, reg_nr))
{
int reg_index = reg_nr - tdep->ppc_ev0_regnum;
ax_reg_mask (ax, tdep->ppc_gp0_regnum + reg_index);
ax_reg_mask (ax, tdep->ppc_ev0_upper_regnum + reg_index);
}
else if (IS_DFP_PSEUDOREG (tdep, reg_nr))
{
int reg_index = reg_nr - tdep->ppc_dl0_regnum;
ax_reg_mask (ax, tdep->ppc_fp0_regnum + 2 * reg_index);
ax_reg_mask (ax, tdep->ppc_fp0_regnum + 2 * reg_index + 1);
}
else if (IS_VSX_PSEUDOREG (tdep, reg_nr))
{
int reg_index = reg_nr - tdep->ppc_vsr0_regnum;
if (reg_index > 31)
{
ax_reg_mask (ax, tdep->ppc_vr0_regnum + reg_index - 32);
}
else
{
ax_reg_mask (ax, tdep->ppc_fp0_regnum + reg_index);
ax_reg_mask (ax, tdep->ppc_vsr0_upper_regnum + reg_index);
}
}
else if (IS_EFP_PSEUDOREG (tdep, reg_nr))
{
int reg_index = reg_nr - tdep->ppc_efpr0_regnum;
ax_reg_mask (ax, tdep->ppc_vr0_regnum + reg_index);
}
else
internal_error (__FILE__, __LINE__,
_("rs6000_pseudo_register_collect: "
"called on unexpected register '%s' (%d)"),
gdbarch_register_name (gdbarch, reg_nr), reg_nr);
return 0;
}
/* Convert a DBX STABS register number to a GDB register number. */
static int
rs6000_stab_reg_to_regnum (struct gdbarch *gdbarch, int num)
@ -5924,6 +5968,8 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_pseudo_register_read (gdbarch, rs6000_pseudo_register_read);
set_gdbarch_pseudo_register_write (gdbarch,
rs6000_pseudo_register_write);
set_gdbarch_ax_pseudo_register_collect (gdbarch,
rs6000_ax_pseudo_register_collect);
}
set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1);