From: Jiong Wang <jiong.wang@arm.com>
Date: Tue, 11 Aug 2015 21:12:41 +0000 (+0100)
Subject: [AArch64] Improve BFD overflow warning message for -fpic
X-Git-Tag: users/hjl/linux/release/2.25.51.0.4~1^2~41^2~50
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c674f5cd3f900c5b12996ea5188ff818fe9eb6bc;p=thirdparty%2Fbinutils-gdb.git

[AArch64] Improve BFD overflow warning message for -fpic

2015-08-11  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * elfnn-aarch64.c (elfNN_aarch64_relocate_section): Improve warning
  message for R_AARCH64_LD64_GOTPAGE_LO15/R_AARCH64_LD32_GOTPAGE_LO14.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 4b70d832547..1e02625a0f3 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2015-08-11  Jiong Wang  <jiong.wang@arm.com>
+
+	* elfnn-aarch64.c (elfNN_aarch64_relocate_section): Improve warning
+	message for R_AARCH64_LD64_GOTPAGE_LO15/R_AARCH64_LD32_GOTPAGE_LO14.
+
 2015-08-11  Jiong Wang  <jiong.wang@arm.com>
 
 	* elfnn-aarch64.c (IS_AARCH64_TLS_RELAX_RELOC): New.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 1796ecd7757..fe10be60fef 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -5802,6 +5802,9 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
 
       if (r != bfd_reloc_ok && r != bfd_reloc_continue)
 	{
+	  bfd_reloc_code_real_type real_r_type
+	    = elfNN_aarch64_bfd_reloc_from_type (r_type);
+
 	  switch (r)
 	    {
 	    case bfd_reloc_overflow:
@@ -5809,6 +5812,16 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
 		  (info, (h ? &h->root : NULL), name, howto->name, (bfd_vma) 0,
 		   input_bfd, input_section, rel->r_offset))
 		return FALSE;
+	      if (real_r_type == BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15
+		  || real_r_type == BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14)
+		{
+		  (*info->callbacks->warning)
+		    (info,
+		     _("Too many GOT entries for -fpic, "
+		       "please recompile with -fPIC"),
+		     name, input_bfd, input_section, rel->r_offset);
+		  return FALSE;
+		}
 	      break;
 
 	    case bfd_reloc_undefined: