X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Ftekhex.c;h=b94f843b8a7db15619c513b0e8249f7835769780;hb=2168b2688ae343a61c467450068503295a5e3deb;hp=94b47739f561675db231cb934f4b08e6c9ba9dcd;hpb=c6e8e93a865d429546037cf5746502aa253a1f2d;p=deliverable%2Fbinutils-gdb.git

diff --git a/bfd/tekhex.c b/bfd/tekhex.c
index 94b47739f5..b94f843b8a 100644
--- a/bfd/tekhex.c
+++ b/bfd/tekhex.c
@@ -1,5 +1,5 @@
 /* BFD backend for Extended Tektronix Hex Format  objects.
-   Copyright (C) 1992-2015 Free Software Foundation, Inc.
+   Copyright (C) 1992-2016 Free Software Foundation, Inc.
    Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -397,7 +397,7 @@ first_phase (bfd *abfd, int type, char *src, char * src_end)
 	    return FALSE;
 	}
       alt_section = NULL;
-      while (*src)
+      while (src < src_end && *src)
 	{
 	  switch (*src)
 	    {
@@ -407,7 +407,13 @@ first_phase (bfd *abfd, int type, char *src, char * src_end)
 		return FALSE;
 	      if (!getvalue (&src, &val, src_end))
 		return FALSE;
+	      if (val < section->vma)
+		val = section->vma;
 	      section->size = val - section->vma;
+	      /* PR 17512: file: objdump-s-endless-loop.tekhex.
+	         Check for overlarge section sizes.  */
+	      if (section->size & 0x80000000)
+		return FALSE;
 	      section->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
 	      break;
 	    case '0':
@@ -453,7 +459,8 @@ first_phase (bfd *abfd, int type, char *src, char * src_end)
 		    else
 		      {
 			if (alt_section == NULL)
-			  alt_section = bfd_get_next_section_by_name (section);
+			  alt_section
+			    = bfd_get_next_section_by_name (NULL, section);
 			if (alt_section == NULL)
 			  alt_section = bfd_make_section_anyway_with_flags
 			    (abfd, section->name,
@@ -470,7 +477,8 @@ first_phase (bfd *abfd, int type, char *src, char * src_end)
 		    else
 		      {
 			if (alt_section == NULL)
-			  alt_section = bfd_get_next_section_by_name (section);
+			  alt_section
+			    = bfd_get_next_section_by_name (NULL, section);
 			if (alt_section == NULL)
 			  alt_section = bfd_make_section_anyway_with_flags
 			    (abfd, section->name,
@@ -972,11 +980,11 @@ tekhex_print_symbol (bfd *abfd,
 #define tekhex_bfd_link_hash_table_create           _bfd_generic_link_hash_table_create
 #define tekhex_bfd_link_add_symbols                 _bfd_generic_link_add_symbols
 #define tekhex_bfd_link_just_syms                   _bfd_generic_link_just_syms
-#define tekhex_bfd_copy_link_hash_symbol_type \
-  _bfd_generic_copy_link_hash_symbol_type
+#define tekhex_bfd_copy_link_hash_symbol_type       _bfd_generic_copy_link_hash_symbol_type
 #define tekhex_bfd_final_link                       _bfd_generic_final_link
 #define tekhex_bfd_link_split_section               _bfd_generic_link_split_section
 #define tekhex_get_section_contents_in_window       _bfd_generic_get_section_contents_in_window
+#define tekhex_bfd_link_check_relocs                _bfd_generic_link_check_relocs
 
 const bfd_target tekhex_vec =
 {