From: Alexandre Oliva <aoliva@redhat.com>
Date: Wed, 8 Aug 2001 11:17:46 +0000 (+0000)
Subject: * readelf.c (display_debug_info): Add to abbrev_offset the addend
X-Git-Tag: cygnus_cvs_20020108_pre~1751
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c0e047e0e5090fe5148f5230e7e4abb3ff2c50ee;p=platform%2Fupstream%2Fbinutils.git

* readelf.c (display_debug_info): Add to abbrev_offset the addend
of any RELA relocation for the abbrev_offset memory location that
refers to the .debug_abbrev section symbol.
---

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 51e5e01..41bc735 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,9 @@
+2001-08-08  Alexandre Oliva  <aoliva@redhat.com>
+
+	* readelf.c (display_debug_info): Add to abbrev_offset the addend
+	of any RELA relocation for the abbrev_offset memory location that
+	refers to the .debug_abbrev section symbol.
+
 2001-08-07  H.J. Lu  <hjl@gnu.org>
 
 	* readelf.c (process_file): Return 0 if OK, otherwise return 1.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index fc7e0e3..ddad104 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -7026,6 +7026,7 @@ display_debug_info (section, start, file)
     {
       DWARF2_External_CompUnit * external;
       DWARF2_Internal_CompUnit   compunit;
+      Elf32_Internal_Shdr *      relsec;
       unsigned char *            tags;
       int                        i;
       int			 level;
@@ -7038,6 +7039,68 @@ display_debug_info (section, start, file)
       compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset);
       compunit.cu_pointer_size  = BYTE_GET (external->cu_pointer_size);
 
+      /* Check for RELA relocations in the abbrev_offset address, and
+         apply them.  */
+      for (relsec = section_headers;
+	   relsec < section_headers + elf_header.e_shnum;
+	   ++relsec)
+	{
+	  unsigned long nrelas, nsyms;
+	  Elf_Internal_Rela *rela, *rp;
+	  Elf32_Internal_Shdr *symsec;
+	  Elf_Internal_Sym *symtab;
+	  Elf_Internal_Sym *sym;
+
+	  if (relsec->sh_type != SHT_RELA
+	      || section_headers + relsec->sh_info != section)
+	    continue;
+
+	  if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
+				  & rela, & nrelas))
+	    return 0;
+
+	  symsec = section_headers + relsec->sh_link;
+	  nsyms = symsec->sh_size / symsec->sh_entsize;
+	  symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms);
+
+	  for (rp = rela; rp < rela + nrelas; ++rp)
+	    {
+	      if (rp->r_offset
+		  != (bfd_vma) ((unsigned char *) &external->cu_abbrev_offset
+				- section_begin))
+		continue;
+	      
+	      if (is_32bit_elf)
+		{
+		  sym = symtab + ELF32_R_SYM (rp->r_info);
+
+		  if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
+		    {
+		      warn (_("Skipping unexpected symbol type %u"),
+			    ELF32_ST_TYPE (sym->st_info));
+		      continue;
+		    }
+		}
+	      else
+		{
+		  sym = symtab + ELF64_R_SYM (rp->r_info);
+
+		  if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
+		    {
+		      warn (_("Skipping unexpected symbol type %u"),
+			    ELF64_ST_TYPE (sym->st_info));
+		      continue;
+		    }
+		}
+
+	      compunit.cu_abbrev_offset += rp->r_addend;
+	      break;
+	    }
+
+	  free (rela);
+	  break;
+	}
+
       tags = start + sizeof (* external);
       cu_offset = start - section_begin;
       start += compunit.cu_length + sizeof (external->cu_length);