Applies a series of patches for PR 17512 and 17533 which fix invalid memory accesses.

[platform/upstream/binutils.git] / binutils / stabs.c

diff --git a/binutils/stabs.c b/binutils/stabs.c
index 2a2674d..33159e9 100644 (file)
--- a/binutils/stabs.c
+++ b/binutils/stabs.c
@@ -836,8 +836,6 @@ parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype,
 
     case 'G':
       {
-       char leading;
-       long c;
        asymbol **ps;
 
        /* A global symbol.  The value must be extracted from the
@@ -846,19 +844,27 @@ parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype,
                                 (debug_type **) NULL);
        if (dtype == DEBUG_TYPE_NULL)
          return FALSE;
-       leading = bfd_get_symbol_leading_char (info->abfd);
-       for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps)
+       if (name != NULL)
          {
-           const char *n;
+           char leading;
+           long c;
 
-           n = bfd_asymbol_name (*ps);
-           if (leading != '\0' && *n == leading)
-             ++n;
-           if (*n == *name && strcmp (n, name) == 0)
-             break;
+           leading = bfd_get_symbol_leading_char (info->abfd);
+           for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps)
+             {
+               const char *n;
+
+               n = bfd_asymbol_name (*ps);
+               if (leading != '\0' && *n == leading)
+                 ++n;
+               if (*n == *name && strcmp (n, name) == 0)
+                 break;
+             }
+
+           if (c > 0)
+             value = bfd_asymbol_value (*ps);
          }
-       if (c > 0)
-         value = bfd_asymbol_value (*ps);
+
        if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL,
                                    value))
          return FALSE;