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[src/netbsd-9]: src/external/gpl3/gdb/dist/gdb Pull up following revision(s) ...
details: https://anonhg.NetBSD.org/src/rev/e574259217e8
branches: netbsd-9
changeset: 963069:e574259217e8
user: martin <martin%NetBSD.org@localhost>
date: Thu Oct 03 17:32:32 2019 +0000
description:
Pull up following revision(s) (requested by christos in ticket #280):
external/gpl3/gdb/dist/gdb/arm-nbsd-tdep.c: revision 1.5
Fix core-dump register fetching.
diffstat:
external/gpl3/gdb/dist/gdb/arm-nbsd-tdep.c | 62 +++++++++++++++++++++++++++++-
1 files changed, 61 insertions(+), 1 deletions(-)
diffs (86 lines):
diff -r 0c2583b11b0c -r e574259217e8 external/gpl3/gdb/dist/gdb/arm-nbsd-tdep.c
--- a/external/gpl3/gdb/dist/gdb/arm-nbsd-tdep.c Thu Oct 03 17:31:02 2019 +0000
+++ b/external/gpl3/gdb/dist/gdb/arm-nbsd-tdep.c Thu Oct 03 17:32:32 2019 +0000
@@ -19,6 +19,8 @@
#include "defs.h"
#include "osabi.h"
+#include "gdbcore.h"
+#include "regset.h"
#include "arch/arm.h"
#include "arm-tdep.h"
@@ -36,6 +38,64 @@
static const gdb_byte arm_nbsd_thumb_le_breakpoint[] = {0xfe, 0xde};
static const gdb_byte arm_nbsd_thumb_be_breakpoint[] = {0xde, 0xfe};
+/* Register maps. */
+
+static const struct regcache_map_entry arm_nbsd_gregmap[] =
+ {
+ { 13, ARM_A1_REGNUM, 4 }, /* r0 ... r12 */
+ { 1, ARM_SP_REGNUM, 4 },
+ { 1, ARM_LR_REGNUM, 4 },
+ { 1, ARM_PC_REGNUM, 4 },
+ { 1, ARM_PS_REGNUM, 4 },
+ { 0 }
+ };
+
+static const struct regcache_map_entry arm_nbsd_vfpregmap[] =
+ {
+ { 1, ARM_FPS_REGNUM, 4 }, /* fpexc */
+ { 1, ARM_FPSCR_REGNUM, 4 }, /* fpscr */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* fpinst */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* fpinst2 */
+ { 32, ARM_D0_REGNUM, 8 }, /* d0 ... d31 */ /* really 33, not 32 */
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* fstmx format */
+ { 0 }
+ };
+
+/* Register set definitions. */
+
+const struct regset arm_nbsd_gregset =
+ {
+ arm_nbsd_gregmap,
+ regcache_supply_regset, regcache_collect_regset
+ };
+
+const struct regset arm_nbsd_vfpregset =
+ {
+ arm_nbsd_vfpregmap,
+ regcache_supply_regset, regcache_collect_regset
+ };
+
+/* Implement the "regset_from_core_section" gdbarch method. */
+
+#define ARM_NBSD_SIZEOF_GREGSET (17 * 4)
+#define ARM_NBSD_SIZEOF_VFPREGSET (4 * 4 + 33 * 8)
+
+static void
+arm_nbsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ cb (".reg", ARM_NBSD_SIZEOF_GREGSET, ARM_NBSD_SIZEOF_GREGSET,
+ &arm_nbsd_gregset, NULL, cb_data);
+
+ // XXX: Don't see it in core.
+ if (tdep->vfp_register_count > 0)
+ cb (".reg2", ARM_NBSD_SIZEOF_VFPREGSET, ARM_NBSD_SIZEOF_VFPREGSET,
+ &arm_nbsd_vfpregset, "VFP floating-point", cb_data);
+}
static void
arm_netbsd_init_abi_common (struct gdbarch_info info,
struct gdbarch *gdbarch)
@@ -71,7 +131,7 @@
set_gdbarch_software_single_step (gdbarch, arm_software_single_step);
/* Core support */
set_gdbarch_iterate_over_regset_sections
- (gdbarch, armbsd_iterate_over_regset_sections);
+ (gdbarch, arm_nbsd_iterate_over_regset_sections);
}
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