[committed] Drop stabs support from h8300 and v850 ports

[Jeff Law via Gcc-patches]

Whee, two more ports dropping stabs. Committed to the trunk.

Jeff

commit 18e9e7db7afb8635316414b560c10852db13c4c1
Author: Jeff Law <jlaw@localhost.localdomain>
Date:   Thu Aug 19 14:15:03 2021 -0400

    Drop stabs from h8/300 and v850 ports
    
    gcc/
            * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
            (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
            * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.

diff --git a/gcc/config.gcc b/gcc/config.gcc
index eb232df6df4..08e6c6779a5 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1677,11 +1677,11 @@ moxie-*-moxiebox*)
        ;;
 h8300-*-elf*)
        tmake_file="h8300/t-h8300"
-       tm_file="h8300/h8300.h dbxelf.h elfos.h newlib-stdint.h h8300/elf.h"
+       tm_file="h8300/h8300.h elfos.h newlib-stdint.h h8300/elf.h"
        ;;
 h8300-*-linux*)
        tmake_file="${tmake_file} h8300/t-h8300 h8300/t-linux"
-       tm_file="h8300/h8300.h dbxelf.h elfos.h gnu-user.h linux.h 
glibc-stdint.h h8300/linux.h"
+       tm_file="h8300/h8300.h elfos.h gnu-user.h linux.h glibc-stdint.h 
h8300/linux.h"
        ;;
 hppa*64*-*-linux*)
        target_cpu_default="MASK_PA_11|MASK_PA_20"
@@ -3473,7 +3473,7 @@ tilepro*-*-linux*)
        ;;
 v850-*-rtems*)
        target_cpu_default="TARGET_CPU_generic"
-       tm_file="dbxelf.h elfos.h v850/v850.h"
+       tm_file="elfos.h v850/v850.h"
        tm_file="${tm_file} v850/rtems.h rtems.h newlib-stdint.h"
        tmake_file="${tmake_file} v850/t-v850"
        tmake_file="${tmake_file} v850/t-rtems"
@@ -3502,11 +3502,7 @@ v850*-*-*)
                target_cpu_default="TARGET_CPU_generic"
                ;;
        esac
-       tm_file="dbxelf.h elfos.h newlib-stdint.h v850/v850.h"
-       if test x$stabs = xyes
-       then
-               tm_file="${tm_file} dbx.h"
-       fi
+       tm_file="elfos.h newlib-stdint.h v850/v850.h"
        use_collect2=no
        c_target_objs="v850-c.o"
        cxx_target_objs="v850-c.o"
diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h
index 386f9f59e0b..51622684622 100644
--- a/gcc/config/v850/v850.h
+++ b/gcc/config/v850/v850.h
@@ -694,9 +694,6 @@ typedef enum
   if ((LOG) != 0)                      \
     fprintf (FILE, "\t.align %d\n", (LOG))
 
-/* We don't have to worry about dbx compatibility for the v850.  */
-#define DEFAULT_GDB_EXTENSIONS 1
-
 /* Use dwarf2 debugging info by default.  */
 #undef  PREFERRED_DEBUGGING_TYPE
 #define PREFERRED_DEBUGGING_TYPE   DWARF2_DEBUG