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$NetBSD: patch-gdb_ppc-nbsd-tdep.c,v 1.2 2022/12/11 03:51:55 mef Exp $
Incorporate changes from r1.7 to r1.9 of in-tree gdb:
1.9:
PR port-powerpc/56899
Disable 128-bit long double for NetBSD/powerpc.
1.8:
PR port-powerpc/56899
In addition to ``powerpc'', register NetBSD OS ABI also for ``rs6000'',
which is default target for powerpc.
1.7:
fix powerpc (by including ppc-nbsd-tdep.h)
--- work/gdb-10.1/gdb/ppc-nbsd-tdep.c.orig 2020-10-24 04:23:02.000000000 +0000
+++ gdb/ppc-nbsd-tdep.c
@@ -29,6 +29,7 @@
#include "ppc-tdep.h"
#include "nbsd-tdep.h"
+#include "ppc-nbsd-tdep.h"
#include "ppc-tdep.h"
#include "solib-svr4.h"
@@ -176,6 +177,10 @@ ppcnbsd_init_abi (struct gdbarch_info in
{
nbsd_init_abi (info, gdbarch);
+ /* NetBSD doesn't support the 128-bit `long double' from the psABI. */
+ set_gdbarch_long_double_bit (gdbarch, 64);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
+
/* For NetBSD, this is an on again, off again thing. Some systems
do use the broken struct convention, and some don't. */
set_gdbarch_return_value (gdbarch, ppcnbsd_return_value);
@@ -197,6 +202,8 @@ _initialize_ppcnbsd_tdep ()
{
gdbarch_register_osabi (bfd_arch_powerpc, 0, GDB_OSABI_NETBSD,
ppcnbsd_init_abi);
+ gdbarch_register_osabi (bfd_arch_rs6000, 0, GDB_OSABI_NETBSD,
+ ppcnbsd_init_abi);
/* Avoid initializing the register offsets again if they were
already initialized by ppcnbsd-nat.c. */
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