gdb/readline: fix use of an undefined variable

[deliverable/binutils-gdb.git] / bfd / coffgen.c

diff --git a/bfd/coffgen.c b/bfd/coffgen.c
index 9e62feb65ce50e06d11a5fe7526a2a9b2a81f35d..ba7bb5eaf42573668eedb8289816e721a129d928 100644 (file)
--- a/bfd/coffgen.c
+++ b/bfd/coffgen.c
@@ -1,5 +1,5 @@
 /* Support for the generic parts of COFF, for BFD.
-   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+   Copyright (C) 1990-2019 Free Software Foundation, Inc.
    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -37,6 +37,7 @@
    coff_data (abfd).  */
 
 #include "sysdep.h"
+#include <limits.h>
 #include "bfd.h"
 #include "libbfd.h"
 #include "coff/internal.h"
@@ -216,7 +217,7 @@ make_a_section_from_file (bfd *abfd,
          break;
        }
       if (new_name != NULL)
-       bfd_rename_section (abfd, return_section, new_name);
+       bfd_rename_section (return_section, new_name);
     }
 
   return result;
@@ -256,14 +257,14 @@ coff_real_object_p (bfd *abfd,
   if ((internal_f->f_flags & F_EXEC) != 0)
     abfd->flags |= D_PAGED;
 
-  bfd_get_symcount (abfd) = internal_f->f_nsyms;
+  abfd->symcount = internal_f->f_nsyms;
   if (internal_f->f_nsyms)
     abfd->flags |= HAS_SYMS;
 
   if (internal_a != (struct internal_aouthdr *) NULL)
-    bfd_get_start_address (abfd) = internal_a->entry;
+    abfd->start_address = internal_a->entry;
   else
-    bfd_get_start_address (abfd) = 0;
+    abfd->start_address = 0;
 
   /* Set up the tdata area.  ECOFF uses its own routine, and overrides
      abfd->flags.  */
@@ -308,7 +309,7 @@ coff_real_object_p (bfd *abfd,
  fail2:
   abfd->tdata.any = tdata_save;
   abfd->flags = oflags;
-  bfd_get_start_address (abfd) = ostart;
+  abfd->start_address = ostart;
   return (const bfd_target *) NULL;
 }
 
@@ -835,7 +836,7 @@ coff_mangle_symbols (bfd *bfd_ptr)
          for (i = 0; i < s->u.syment.n_numaux; i++)
            {
              combined_entry_type *a = s + i + 1;
-             
+
              BFD_ASSERT (! a->is_sym);
              if (a->fix_tag)
                {
@@ -2014,6 +2015,13 @@ coff_get_reloc_upper_bound (bfd *abfd, sec_ptr asect)
       bfd_set_error (bfd_error_invalid_operation);
       return -1;
     }
+#if SIZEOF_LONG == SIZEOF_INT
+  if (asect->reloc_count >= LONG_MAX / sizeof (arelent *))
+    {
+      bfd_set_error (bfd_error_file_too_big);
+      return -1;
+    }
+#endif
   return (asect->reloc_count + 1) * sizeof (arelent *);
 }
 
@@ -2282,7 +2290,7 @@ coff_find_nearest_line_with_names (bfd *abfd,
   /* Also try examining DWARF2 debugging information.  */
   if (_bfd_dwarf2_find_nearest_line (abfd, symbols, NULL, section, offset,
                                     filename_ptr, functionname_ptr,
-                                    line_ptr, NULL, debug_sections, 0,
+                                    line_ptr, NULL, debug_sections,
                                     &coff_data(abfd)->dwarf2_find_line_info))
     return TRUE;
 
@@ -2294,7 +2302,7 @@ coff_find_nearest_line_with_names (bfd *abfd,
      information.  So try again, using a bias against the address sought.  */
   if (coff_data (abfd)->dwarf2_find_line_info != NULL)
     {
-      bfd_signed_vma bias;
+      bfd_signed_vma bias = 0;
 
       /* Create a cache of the result for the next call.  */
       if (sec_data == NULL && section->owner == abfd)
@@ -2306,10 +2314,11 @@ coff_find_nearest_line_with_names (bfd *abfd,
 
       if (sec_data != NULL && sec_data->saved_bias)
        bias = sec_data->saved_bias;
-      else
+      else if (symbols)
        {
          bias = _bfd_dwarf2_find_symbol_bias (symbols,
                                               & coff_data (abfd)->dwarf2_find_line_info);
+
          if (sec_data)
            {
              sec_data->saved_bias = TRUE;
@@ -2321,7 +2330,7 @@ coff_find_nearest_line_with_names (bfd *abfd,
          && _bfd_dwarf2_find_nearest_line (abfd, symbols, NULL, section,
                                            offset + bias,
                                            filename_ptr, functionname_ptr,
-                                           line_ptr, NULL, debug_sections, 0,
+                                           line_ptr, NULL, debug_sections,
                                            &coff_data(abfd)->dwarf2_find_line_info))
        return TRUE;
     }
@@ -2357,7 +2366,7 @@ coff_find_nearest_line_with_names (bfd *abfd,
       bfd_vma maxdiff;
 
       /* Look through the C_FILE symbols to find the best one.  */
-      sec_vma = bfd_get_section_vma (abfd, section);
+      sec_vma = bfd_section_vma (section);
       *filename_ptr = (char *) p->u.syment._n._n_n._n_offset;
       maxdiff = (bfd_vma) 0 - (bfd_vma) 1;
       while (1)
@@ -2638,6 +2647,9 @@ _bfd_coff_section_already_linked (bfd *abfd,
   struct bfd_section_already_linked_hash_entry *already_linked_list;
   struct coff_comdat_info *s_comdat;
 
+  if (sec->output_section == bfd_abs_section_ptr)
+    return FALSE;
+
   flags = sec->flags;
   if ((flags & SEC_LINK_ONCE) == 0)
     return FALSE;
@@ -2646,7 +2658,7 @@ _bfd_coff_section_already_linked (bfd *abfd,
   if ((flags & SEC_GROUP) != 0)
     return FALSE;
 
-  name = bfd_get_section_name (abfd, sec);
+  name = bfd_section_name (sec);
   s_comdat = bfd_coff_get_comdat_section (abfd, sec);
 
   if (s_comdat != NULL)
@@ -3143,3 +3155,14 @@ bfd_coff_gc_sections (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *info)
   /* ... and mark SEC_EXCLUDE for those that go.  */
   return coff_gc_sweep (abfd, info);
 }
+
+/* Return name used to identify a comdat group.  */
+
+const char *
+bfd_coff_group_name (bfd *abfd, const asection *sec)
+{
+  struct coff_comdat_info *ci = bfd_coff_get_comdat_section (abfd, sec);
+  if (ci != NULL)
+    return ci->name;
+  return NULL;
+}