Allow objcopy's --set-section-flags options to add or remove the SHF_EXCLUDE flag...

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

diff --git a/binutils/strings.c b/binutils/strings.c
index 39544730693aaa0baf1a5eaa6a11deeb2b55d159..dc42a6f2f904a75aa41313ab0e8fc71391101945 100644 (file)
--- a/binutils/strings.c
+++ b/binutils/strings.c
@@ -1,5 +1,5 @@
 /* strings -- print the strings of printable characters in files
-   Copyright (C) 1993-2017 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -125,7 +125,7 @@ static struct option long_options[] =
   {"print-file-name", no_argument, NULL, 'f'},
   {"bytes", required_argument, NULL, 'n'},
   {"radix", required_argument, NULL, 't'},
-  {"include-all-whitespace", required_argument, NULL, 'w'},
+  {"include-all-whitespace", no_argument, NULL, 'w'},
   {"encoding", required_argument, NULL, 'e'},
   {"target", required_argument, NULL, 'T'},
   {"output-separator", required_argument, NULL, 's'},
@@ -287,7 +287,8 @@ main (int argc, char **argv)
       usage (stderr, 1);
     }
 
-  bfd_init ();
+  if (bfd_init () != BFD_INIT_MAGIC)
+    fatal (_("fatal error: libbfd ABI mismatch"));
   set_default_bfd_target ();
 
   if (optind >= argc)
@@ -331,7 +332,7 @@ strings_a_section (bfd *abfd, asection *sect, const char *filename,
   if ((sect->flags & DATA_FLAGS) != DATA_FLAGS)
     return;
 
-  sectsize = bfd_get_section_size (sect);
+  sectsize = bfd_section_size (sect);
   if (sectsize == 0)
     return;
 
@@ -501,6 +502,57 @@ get_char (FILE *stream, file_ptr *address, int *magiccount, char **magic)
 
   return r;
 }
+
+/* Throw away one byte of a (possibly) multi-byte char C, updating
+   address and buffer to suit.  */
+
+static void
+unget_part_char (long c, file_ptr *address, int *magiccount, char **magic)
+{
+  static char tmp[4];
+
+  if (encoding_bytes > 1)
+    {
+      *address -= encoding_bytes - 1;
+
+      if (*magiccount == 0)
+       {
+         /* If no magic buffer exists, use temp buffer.  */
+         switch (encoding)
+           {
+           default:
+             break;
+           case 'b':
+             tmp[0] = c & 0xff;
+             *magiccount = 1;
+             break;
+           case 'l':
+             tmp[0] = (c >> 8) & 0xff;
+             *magiccount = 1;
+             break;
+           case 'B':
+             tmp[0] = (c >> 16) & 0xff;
+             tmp[1] = (c >> 8) & 0xff;
+             tmp[2] = c & 0xff;
+             *magiccount = 3;
+             break;
+           case 'L':
+             tmp[0] = (c >> 8) & 0xff;
+             tmp[1] = (c >> 16) & 0xff;
+             tmp[2] = (c >> 24) & 0xff;
+             *magiccount = 3;
+             break;
+           }
+         *magic = tmp;
+       }
+      else
+       {
+         /* If magic buffer exists, rewind.  */
+         *magic -= encoding_bytes - 1;
+         *magiccount += encoding_bytes - 1;
+       }
+    }
+}
 \f
 /* Find the strings in file FILENAME, read from STREAM.
    Assume that STREAM is positioned so that the next byte read
@@ -539,9 +591,13 @@ print_strings (const char *filename, FILE *stream, file_ptr address,
              free (buf);
              return;
            }
+
          if (! STRING_ISGRAPHIC (c))
-           /* Found a non-graphic.  Try again starting with next char.  */
-           goto tryline;
+           {
+             /* Found a non-graphic.  Try again starting with next byte.  */
+             unget_part_char (c, &address, &magiccount, &magic);
+             goto tryline;
+           }
          buf[i] = c;
        }
 
@@ -558,18 +614,18 @@ print_strings (const char *filename, FILE *stream, file_ptr address,
            if (sizeof (start) > sizeof (long))
              {
 # ifndef __MSVCRT__
-               printf ("%7llo ", (unsigned long long) start);
+               printf ("%7llo ", (unsigned long long) start);
 # else
-               printf ("%7I64o ", (unsigned long long) start);
+               printf ("%7I64o ", (unsigned long long) start);
 # endif
              }
            else
 #elif !BFD_HOST_64BIT_LONG
-           if (start != (unsigned long) start)
-             printf ("++%7lo ", (unsigned long) start);
-           else
+             if (start != (unsigned long) start)
+               printf ("++%7lo ", (unsigned long) start);
+             else
 #endif
-             printf ("%7lo ", (unsigned long) start);
+               printf ("%7lo ", (unsigned long) start);
            break;
 
          case 10:
@@ -577,18 +633,18 @@ print_strings (const char *filename, FILE *stream, file_ptr address,
            if (sizeof (start) > sizeof (long))
              {
 # ifndef __MSVCRT__
-               printf ("%7lld ", (unsigned long long) start);
+               printf ("%7llu ", (unsigned long long) start);
 # else
-               printf ("%7I64d ", (unsigned long long) start);
+               printf ("%7I64d ", (unsigned long long) start);
 # endif
              }
            else
 #elif !BFD_HOST_64BIT_LONG
-           if (start != (unsigned long) start)
-             printf ("++%7ld ", (unsigned long) start);
-           else
+             if (start != (unsigned long) start)
+               printf ("++%7lu ", (unsigned long) start);
+             else
 #endif
-             printf ("%7ld ", (long) start);
+               printf ("%7ld ", (long) start);
            break;
 
          case 16:
@@ -596,19 +652,19 @@ print_strings (const char *filename, FILE *stream, file_ptr address,
            if (sizeof (start) > sizeof (long))
              {
 # ifndef __MSVCRT__
-               printf ("%7llx ", (unsigned long long) start);
+               printf ("%7llx ", (unsigned long long) start);
 # else
-               printf ("%7I64x ", (unsigned long long) start);
+               printf ("%7I64x ", (unsigned long long) start);
 # endif
              }
            else
 #elif !BFD_HOST_64BIT_LONG
-           if (start != (unsigned long) start)
-             printf ("%lx%8.8lx ", (unsigned long) (start >> 32),
-                     (unsigned long) (start & 0xffffffff));
-           else
+             if (start != (unsigned long) start)
+               printf ("%lx%8.8lx ", (unsigned long) (start >> 32),
+                       (unsigned long) (start & 0xffffffff));
+             else
 #endif
-             printf ("%7lx ", (unsigned long) start);
+               printf ("%7lx ", (unsigned long) start);
            break;
          }
 
@@ -621,14 +677,17 @@ print_strings (const char *filename, FILE *stream, file_ptr address,
          if (c == EOF)
            break;
          if (! STRING_ISGRAPHIC (c))
-           break;
+           {
+             unget_part_char (c, &address, &magiccount, &magic);
+             break;
+           }
          putchar (c);
        }
 
       if (output_separator)
-        fputs (output_separator, stdout);
+       fputs (output_separator, stdout);
       else
-        putchar ('\n');
+       putchar ('\n');
     }
   free (buf);
 }