MatCat.OpenSource/8sa1-binutils-gdb
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gdb: Add default reggroups for ARC

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There is no reggroups set in ARC.  If a "maintenance print reggroups"
command is issued, the default register set is dumped (which is fine).

However, if a new group is added via an XML file, then that will
become the _only_ group.  This behavior causes gdb.xml/tdesc-regs.exp
to fail.

Fixes gdb.xml/tdesc-regs.exp on ARC.

gdb/ChangeLog:

	* arc-tdep.c (arc_add_reggroups): New function.
	(arc_gdbarch_init): Call arc_add_reggroups.
This commit is contained in:
Shahab Vahedi 2020-01-15 00:14:24 +01:00
parent ac3571d941
commit d0cc52bdf2
2 changed files with 23 additions and 0 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2021-01-26 Shahab Vahedi <shahab@synopsys.com>
* arc-tdep.c (arc_add_reggroups): New function.
(arc_gdbarch_init): Call arc_add_reggroups.
2021-01-26 Anton Kolesov <anton.kolesov@synopsys.com>
* arc-tdep.c (arc_skip_prologue): Log "pc" address.

18
gdb/arc-tdep.c
View File

@ -27,6 +27,7 @@
#include "frame-base.h"
#include "frame-unwind.h"
#include "gdbcore.h"
#include "reggroups.h"
#include "gdbcmd.h"
#include "objfiles.h"
#include "osabi.h"
@ -1954,6 +1955,20 @@ static const struct frame_base arc_normal_base = {
arc_frame_base_address
};
/* Add all the expected register sets into GDBARCH. */
static void
arc_add_reggroups (struct gdbarch *gdbarch)
{
reggroup_add (gdbarch, general_reggroup);
reggroup_add (gdbarch, float_reggroup);
reggroup_add (gdbarch, system_reggroup);
reggroup_add (gdbarch, vector_reggroup);
reggroup_add (gdbarch, all_reggroup);
reggroup_add (gdbarch, save_reggroup);
reggroup_add (gdbarch, restore_reggroup);
}
static enum arc_isa
mach_type_to_arc_isa (const unsigned long mach)
{
@ -2352,6 +2367,9 @@ arc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* This doesn't include possible long-immediate value. */
set_gdbarch_max_insn_length (gdbarch, 4);
/* Add default register groups. */
arc_add_reggroups (gdbarch);
/* Frame unwinders and sniffers. */
dwarf2_frame_set_init_reg (gdbarch, arc_dwarf2_frame_init_reg);
dwarf2_append_unwinders (gdbarch);