X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Farch-utils.c;h=7df55705c25748ec4e1719f0694c53b8f6d346a6;hb=c6ef89f56b506f7279d98fad13360bce30c06022;hp=bff1a10902dbf800d03a3f8565d89a73b5668a87;hpb=c2170eeffa616c51ca4c7ab7142523c04b762603;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/arch-utils.c b/gdb/arch-utils.c
index bff1a10902..7df55705c2 100644
--- a/gdb/arch-utils.c
+++ b/gdb/arch-utils.c
@@ -1,6 +1,6 @@
 /* Dynamic architecture support for GDB, the GNU debugger.
 
-   Copyright (C) 1998-2014 Free Software Foundation, Inc.
+   Copyright (C) 1998-2015 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -23,15 +23,15 @@
 #include "buildsym.h"
 #include "gdbcmd.h"
 #include "inferior.h"		/* enum CALL_DUMMY_LOCATION et al.  */
-#include <string.h>
+#include "infrun.h"
 #include "regcache.h"
-#include "gdb_assert.h"
 #include "sim-regno.h"
 #include "gdbcore.h"
 #include "osabi.h"
 #include "target-descriptions.h"
 #include "objfiles.h"
 #include "language.h"
+#include "symtab.h"
 
 #include "version.h"
 
@@ -127,7 +127,7 @@ generic_in_solib_return_trampoline (struct gdbarch *gdbarch,
 }
 
 int
-generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+generic_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   return 0;
 }
@@ -168,17 +168,35 @@ no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg)
 }
 
 void
-default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym)
+default_coff_make_msymbol_special (int val, struct minimal_symbol *msym)
 {
   return;
 }
 
+/* See arch-utils.h.  */
+
 void
-default_coff_make_msymbol_special (int val, struct minimal_symbol *msym)
+default_make_symbol_special (struct symbol *sym, struct objfile *objfile)
 {
   return;
 }
 
+/* See arch-utils.h.  */
+
+CORE_ADDR
+default_adjust_dwarf2_addr (CORE_ADDR pc)
+{
+  return pc;
+}
+
+/* See arch-utils.h.  */
+
+CORE_ADDR
+default_adjust_dwarf2_line (CORE_ADDR addr, int rel)
+{
+  return addr;
+}
+
 int
 cannot_register_not (struct gdbarch *gdbarch, int regnum)
 {
@@ -244,10 +262,18 @@ default_remote_register_number (struct gdbarch *gdbarch,
   return regno;
 }
 
+/* See arch-utils.h.  */
+
+int
+default_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range)
+{
+  return 0;
+}
+
 
 /* Functions to manipulate the endianness of the target.  */
 
-static int target_byte_order_user = BFD_ENDIAN_UNKNOWN;
+static enum bfd_endian target_byte_order_user = BFD_ENDIAN_UNKNOWN;
 
 static const char endian_big[] = "big";
 static const char endian_little[] = "little";
@@ -577,7 +603,7 @@ static const bfd_target *default_bfd_vec = &DEFAULT_BFD_VEC;
 static const bfd_target *default_bfd_vec;
 #endif
 
-static int default_byte_order = BFD_ENDIAN_UNKNOWN;
+static enum bfd_endian default_byte_order = BFD_ENDIAN_UNKNOWN;
 
 void
 initialize_current_architecture (void)
@@ -635,7 +661,7 @@ initialize_current_architecture (void)
       chp = strchr (target_name, '-');
       if (chp != NULL
 	  && chp - 2 >= target_name
-	  && strncmp (chp - 2, "el", 2) == 0)
+	  && startswith (chp - 2, "el"))
 	default_byte_order = BFD_ENDIAN_LITTLE;
     }
   if (default_byte_order == BFD_ENDIAN_UNKNOWN)
@@ -769,8 +795,8 @@ default_has_shared_address_space (struct gdbarch *gdbarch)
 }
 
 int
-default_fast_tracepoint_valid_at (struct gdbarch *gdbarch,
-				  CORE_ADDR addr, int *isize, char **msg)
+default_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr,
+				  char **msg)
 {
   /* We don't know if maybe the target has some way to do fast
      tracepoints that doesn't need gdbarch, so always say yes.  */
@@ -819,7 +845,57 @@ int default_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr)
   return 0;
 }
 
-/* */
+void
+default_skip_permanent_breakpoint (struct regcache *regcache)
+{
+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  CORE_ADDR current_pc = regcache_read_pc (regcache);
+  const gdb_byte *bp_insn;
+  int bp_len;
+
+  bp_insn = gdbarch_breakpoint_from_pc (gdbarch, &current_pc, &bp_len);
+  current_pc += bp_len;
+  regcache_write_pc (regcache, current_pc);
+}
+
+CORE_ADDR
+default_infcall_mmap (CORE_ADDR size, unsigned prot)
+{
+  error (_("This target does not support inferior memory allocation by mmap."));
+}
+
+void
+default_infcall_munmap (CORE_ADDR addr, CORE_ADDR size)
+{
+  /* Memory reserved by inferior mmap is kept leaked.  */
+}
+
+/* -mcmodel=large is used so that no GOT (Global Offset Table) is needed to be
+   created in inferior memory by GDB (normally it is set by ld.so).  */
+
+char *
+default_gcc_target_options (struct gdbarch *gdbarch)
+{
+  return xstrprintf ("-m%d%s", gdbarch_ptr_bit (gdbarch),
+		     gdbarch_ptr_bit (gdbarch) == 64 ? " -mcmodel=large" : "");
+}
+
+/* gdbarch gnu_triplet_regexp method.  */
+
+const char *
+default_gnu_triplet_regexp (struct gdbarch *gdbarch)
+{
+  return gdbarch_bfd_arch_info (gdbarch)->arch_name;
+}
+
+/* Default method for gdbarch_addressable_memory_unit_size.  By default, a memory byte has
+   a size of 1 octet.  */
+
+int
+default_addressable_memory_unit_size (struct gdbarch *gdbarch)
+{
+  return 1;
+}
 
 /* -Wmissing-prototypes */
 extern initialize_file_ftype _initialize_gdbarch_utils;