gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / binutils / nm.c

diff --git a/binutils/nm.c b/binutils/nm.c
index 0bded073912680c0965409b43316c320b717061d..1b5122d56ab5c00fc710a775053eb2ee300b0665 100644 (file)
--- a/binutils/nm.c
+++ b/binutils/nm.c
@@ -1,5 +1,5 @@
 /* nm.c -- Describe symbol table of a rel file.
-   Copyright (C) 1991-2019 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
 
    This file is part of GNU Binutils.
 
@@ -67,7 +67,6 @@ struct extended_symbol_info
   coff_symbol_type *coffinfo;
   /* FIXME: We should add more fields for Type, Line, Section.  */
 };
-#define SYM_NAME(sym)        (sym->sinfo->name)
 #define SYM_VALUE(sym)       (sym->sinfo->value)
 #define SYM_TYPE(sym)        (sym->sinfo->type)
 #define SYM_STAB_NAME(sym)   (sym->sinfo->stab_name)
@@ -142,6 +141,7 @@ static struct output_fns formats[] =
 /* The output format to use.  */
 static struct output_fns *format = &formats[FORMAT_DEFAULT];
 static unsigned int print_format = FORMAT_DEFAULT;
+static const char *print_format_string = NULL;
 
 /* Command options.  */
 
@@ -393,8 +393,11 @@ get_coff_symbol_type (const struct internal_syment *sym)
    demangling it if requested.  */
 
 static void
-print_symname (const char *form, const char *name, bfd *abfd)
+print_symname (const char *form, struct extended_symbol_info *info,
+              const char *name, bfd *abfd)
 {
+  if (name == NULL)
+    name = info->sinfo->name;
   if (do_demangle && *name)
     {
       char *res = bfd_demangle (abfd, name, demangle_flags);
@@ -408,6 +411,17 @@ print_symname (const char *form, const char *name, bfd *abfd)
     }
 
   printf (form, name);
+  if (info != NULL && info->elfinfo)
+    {
+      const char *version_string;
+      bfd_boolean hidden;
+
+      version_string
+       = bfd_get_symbol_version_string (abfd, &info->elfinfo->symbol,
+                                        FALSE, &hidden);
+      if (version_string && version_string[0])
+       printf ("%s%s", hidden ? "@" : "@@", version_string);
+    }
 }
 
 static void
@@ -432,7 +446,7 @@ print_symdef_entry (bfd *abfd)
        bfd_fatal ("bfd_get_elt_at_index");
       if (thesym->name != (char *) NULL)
        {
-         print_symname ("%s", thesym->name, abfd);
+         print_symname ("%s", NULL, thesym->name, abfd);
          printf (" in %s\n", bfd_get_filename (elt));
        }
     }
@@ -791,8 +805,8 @@ sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
              && sec == bfd_asymbol_section (next))
            sz = valueof (next) - valueof (sym);
          else
-           sz = (bfd_get_section_vma (abfd, sec)
-                 + bfd_section_size (abfd, sec)
+           sz = (bfd_section_vma (sec)
+                 + bfd_section_size (sec)
                  - valueof (sym));
        }
 
@@ -893,7 +907,8 @@ print_symbol (bfd *        abfd,
       bfd_boolean   hidden = FALSE;
 
       if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0)
-       version_string = bfd_get_symbol_version_string (abfd, sym, &hidden);
+       version_string = bfd_get_symbol_version_string (abfd, sym,
+                                                       TRUE, &hidden);
 
       if (bfd_is_und_section (bfd_asymbol_section (sym)))
        hidden = TRUE;
@@ -1170,6 +1185,8 @@ display_rel_file (bfd *abfd, bfd *archive_bfd)
          *symp = 0;
          symcount += synth_count;
        }
+      if (!dynamic && dyn_syms != NULL)
+       free (dyn_syms);
     }
 
   /* lto_slim_object is set to false when a bfd is loaded with a compiler
@@ -1216,6 +1233,51 @@ display_rel_file (bfd *abfd, bfd *archive_bfd)
   free (symsizes);
 }
 
+/* Construct a formatting string for printing symbol values.  */
+
+static const char *
+get_print_format (void)
+{
+  const char * padding;
+  if (print_format == FORMAT_POSIX)
+    {
+      /* POSIX compatible output does not have any padding.  */
+      padding = "";
+    }
+  else if (print_width == 32)
+    {
+      padding ="08";
+    }
+  else /* print_width == 64 */
+    {
+      padding = "016";
+    }
+
+  const char * length = "l";
+  if (print_width == 64)
+    {
+#if BFD_HOST_64BIT_LONG
+      ;
+#elif BFD_HOST_64BIT_LONG_LONG
+#ifndef __MSVCRT__
+      length = "ll";
+#else
+      length = "I64";
+#endif
+#endif
+    }
+
+  const char * radix = NULL;
+  switch (print_radix)
+    {
+    case 8:  radix = "o"; break;
+    case 10: radix = "d"; break;
+    case 16: radix = "x"; break;
+    }
+
+  return concat ("%", padding, length, radix, NULL);
+}
+
 static void
 set_print_width (bfd *file)
 {
@@ -1234,6 +1296,8 @@ set_print_width (bfd *file)
       else
        print_width = 32;
     }
+  free ((char *) print_format_string);
+  print_format_string = get_print_format ();
 }
 
 static void
@@ -1474,58 +1538,6 @@ print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd)
     }
 }
 \f
-/* Construct a formatting string for printing symbol values.  */
-
-static const char *
-get_print_format (void)
-{
-  static const char * saved_format = NULL;
-
-  /* See if we have already constructed the format.  */
-  if (saved_format)
-    return saved_format;
-
-  const char * padding;
-  if (print_format == FORMAT_POSIX)
-    {
-      /* POSIX compatible output does not have any padding.  */
-      padding = "";
-    }
-  else if (print_width == 32)
-    {
-      padding ="08";
-    }
-  else /* print_width == 64 */
-    {
-      padding = "016";
-    }
-
-  const char * length = "l";
-  if (print_width == 64)
-    {
-#if BFD_HOST_64BIT_LONG
-      ;
-#elif BFD_HOST_64BIT_LONG_LONG
-#ifndef __MSVCRT__
-      length = "ll";
-#else
-      length = "I64";
-#endif
-#endif
-    }
-
-  const char * radix = NULL;
-  switch (print_radix)
-    {
-    case 8:  radix = "o"; break;
-    case 10: radix = "d"; break;
-    case 16: radix = "x"; break;
-    }
-
-  saved_format = concat ("%", padding, length, radix, NULL);
-  return saved_format;
-}
-
 /* Print a symbol value.  */
 
 static void
@@ -1534,12 +1546,12 @@ print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
   switch (print_width)
     {
     case 32:
-      printf (get_print_format (), (unsigned long) val);
+      printf (print_format_string, (unsigned long) val);
       break;
 
     case 64:
 #if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG
-      printf (get_print_format (), val);
+      printf (print_format_string, val);
 #else
       /* We have a 64 bit value to print, but the host is only 32 bit.  */
       if (print_radix == 16)
@@ -1608,13 +1620,13 @@ print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
       printf (desc_format, SYM_STAB_DESC (info));
       printf (" %5s", SYM_STAB_NAME (info));
     }
-  print_symname (" %s", SYM_NAME (info), abfd);
+  print_symname (" %s", info, NULL, abfd);
 }
 
 static void
 print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
 {
-  print_symname ("%-20s|", SYM_NAME (info), abfd);
+  print_symname ("%-20s|", info, NULL, abfd);
 
   if (bfd_is_undefined_symclass (SYM_TYPE (info)))
     {
@@ -1669,7 +1681,7 @@ print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
 static void
 print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
 {
-  print_symname ("%s ", SYM_NAME (info), abfd);
+  print_symname ("%s ", info, NULL, abfd);
   printf ("%c ", SYM_TYPE (info));
 
   if (bfd_is_undefined_symclass (SYM_TYPE (info)))