gdb: Remove support for obsolete OSABIs and a.out

[deliverable/binutils-gdb.git] / gdb / hppa-tdep.c

diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index f879a25d5abe361c12fc9bf34cc016304fa7b464..65a49fd300f46c55861849fc247aaad3a5d022a5 100644 (file)
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -39,6 +39,7 @@
 #include "gdbtypes.h"
 #include "objfiles.h"
 #include "hppa-tdep.h"
+#include <algorithm>
 
 static int hppa_debug = 0;
 
@@ -603,13 +604,9 @@ hppa_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
   return 0;
 }
 
-static const unsigned char *
-hppa_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pc, int *len)
-{
-  static const unsigned char breakpoint[] = {0x00, 0x01, 0x00, 0x04};
-  (*len) = sizeof (breakpoint);
-  return breakpoint;
-}
+constexpr gdb_byte hppa_break_insn[] = {0x00, 0x01, 0x00, 0x04};
+
+typedef BP_MANIPULATION (hppa_break_insn) hppa_breakpoint;
 
 /* Return the name of a register.  */
 
@@ -1094,10 +1091,10 @@ hppa64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
       while (regnum > HPPA_ARG0_REGNUM - 8 && len > 0)
        {
          regcache_cooked_write_part (regcache, regnum,
-                                     offset % 8, min (len, 8), valbuf);
-         offset += min (len, 8);
-         valbuf += min (len, 8);
-         len -= min (len, 8);
+                                     offset % 8, std::min (len, 8), valbuf);
+         offset += std::min (len, 8);
+         valbuf += std::min (len, 8);
+         len -= std::min (len, 8);
          regnum--;
        }
 
@@ -1109,7 +1106,7 @@ hppa64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
 
   /* Allocate the outgoing parameter area.  Make sure the outgoing
      parameter area is multiple of 16 bytes in length.  */
-  sp += max (align_up (offset, 16), 64);
+  sp += std::max (align_up (offset, 16), (ULONGEST) 64);
 
   /* Allocate 32-bytes of scratch space.  The documentation doesn't
      mention this, but it seems to be needed.  */
@@ -1251,9 +1248,9 @@ hppa64_return_value (struct gdbarch *gdbarch, struct value *function,
       while (len > 0)
        {
          regcache_cooked_read_part (regcache, regnum, offset,
-                                    min (len, 8), readbuf);
-         readbuf += min (len, 8);
-         len -= min (len, 8);
+                                    std::min (len, 8), readbuf);
+         readbuf += std::min (len, 8);
+         len -= std::min (len, 8);
          regnum++;
        }
     }
@@ -1263,9 +1260,9 @@ hppa64_return_value (struct gdbarch *gdbarch, struct value *function,
       while (len > 0)
        {
          regcache_cooked_write_part (regcache, regnum, offset,
-                                     min (len, 8), writebuf);
-         writebuf += min (len, 8);
-         len -= min (len, 8);
+                                     std::min (len, 8), writebuf);
+         writebuf += std::min (len, 8);
+         len -= std::min (len, 8);
          regnum++;
        }
     }
@@ -1849,7 +1846,7 @@ hppa_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
      may be the first instruction of the prologue.  If that happens, then
      the instruction skipping code has a bug that needs to be fixed.  */
   if (post_prologue_pc != 0)
-    return max (pc, post_prologue_pc);
+    return std::max (pc, post_prologue_pc);
   else
     return (skip_prologue_hard_way (gdbarch, pc, 1));
 }
@@ -2457,21 +2454,6 @@ hppa_stub_frame_unwind_cache (struct frame_info *this_frame,
 
   info->base = get_frame_register_unsigned (this_frame, HPPA_SP_REGNUM);
 
-  if (gdbarch_osabi (gdbarch) == GDB_OSABI_HPUX_SOM)
-    {
-      /* HPUX uses export stubs in function calls; the export stub clobbers
-         the return value of the caller, and, later restores it from the
-        stack.  */
-      u = find_unwind_entry (get_frame_pc (this_frame));
-
-      if (u && u->stub_unwind.stub_type == EXPORT)
-       {
-          info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].addr = info->base - 24;
-
-         return info;
-       }
-    }
-
   /* By default we assume that stubs do not change the rp.  */
   info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].realreg = HPPA_RP_REGNUM;
 
@@ -3065,14 +3047,6 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 {
   struct gdbarch_tdep *tdep;
   struct gdbarch *gdbarch;
-  
-  /* Try to determine the ABI of the object we are loading.  */
-  if (info.abfd != NULL && info.osabi == GDB_OSABI_UNKNOWN)
-    {
-      /* If it's a SOM file, assume it's HP/UX SOM.  */
-      if (bfd_get_flavour (info.abfd) == bfd_target_som_flavour)
-       info.osabi = GDB_OSABI_HPUX_SOM;
-    }
 
   /* find a candidate among the list of pre-declared architectures.  */
   arches = gdbarch_list_lookup_by_info (arches, &info);
@@ -3185,7 +3159,8 @@ hppa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
       internal_error (__FILE__, __LINE__, _("bad switch"));
     }
       
-  set_gdbarch_breakpoint_from_pc (gdbarch, hppa_breakpoint_from_pc);
+  set_gdbarch_breakpoint_kind_from_pc (gdbarch, hppa_breakpoint::kind_from_pc);
+  set_gdbarch_sw_breakpoint_from_kind (gdbarch, hppa_breakpoint::bp_from_kind);
   set_gdbarch_pseudo_register_read (gdbarch, hppa_pseudo_register_read);
 
   /* Frame unwind methods.  */