binutils/binutils-2.29-branch.diff

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 417ed273ab..8f8117dcb4 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,37 @@
+2017-09-28  Alan Modra  <amodra@gmail.com>
+
+	PR 22220
+	* elflink.c (_bfd_elf_merge_symbol): Set non_ir_ref_dynamic in
+	a case where plugin_notice isn't called.
+
+2017-09-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/22199
+	* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Don't pass
+	output_bfd to info->callbacks->minfo.
+
+2017-09-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR binutils/22170
+	* elf32-i386.c (elf_i386_get_synthetic_symtab): Guard against
+	corrupted PLT.
+	* elf64-x86-64.c (elf_x86_64_get_synthetic_symtab): Likewise.
+
+2017-09-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR binutils/22163
+	* elf32-i386.c (elf_i386_get_synthetic_symtab): Also return -1
+	if bfd_canonicalize_dynamic_reloc returns 0.
+	* elf64-x86-64.c (elf_x86_64_get_synthetic_symtab): Likewise.
+
+2017-09-21  Nick Clifton  <nickc@redhat.com>
+
+	* development.sh (development): Revert previous delta.
+
+2017-09-20  Nick Clifton  <nickc@redhat.com>
+
+	* development.sh (development): Set to false.
+
 2017-09-19  Nick Clifton  <nickc@redhat.com>
 
 	2.29.1 Release
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 5c1c3ff790..ba50c93f33 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -6342,7 +6342,7 @@ elf_i386_get_synthetic_symtab (bfd *abfd,
 
   dynrelcount = bfd_canonicalize_dynamic_reloc (abfd, dynrelbuf,
 						dynsyms);
-  if (dynrelcount < 0)
+  if (dynrelcount <= 0)
     return -1;
 
   /* Sort the relocs by address.  */
@@ -6616,6 +6616,10 @@ bad_return:
 		  size += sizeof ("+0x") - 1 + 8;
 		n++;
 		s++;
+		/* There should be only one entry in PLT for a given
+		   symbol.  Set howto to NULL after processing a PLT
+		   entry to guard against corrupted PLT.  */
+		p->howto = NULL;
 	      }
 	    offset += plt_entry_size;
 	  }
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 80dd791d25..1f6dfb89bf 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -6133,7 +6133,6 @@ elf_x86_64_finish_dynamic_symbol (bfd *output_bfd,
 	      if (SYMBOL_REFERENCES_LOCAL (info, h))
 		{
 		  info->callbacks->minfo (_("Local IFUNC function `%s' in %B\n"),
-					  output_bfd,
 					  h->root.root.string,
 					  h->root.u.def.section->owner);
 
@@ -6717,7 +6716,7 @@ elf_x86_64_get_synthetic_symtab (bfd *abfd,
 
   dynrelcount = bfd_canonicalize_dynamic_reloc (abfd, dynrelbuf,
 						dynsyms);
-  if (dynrelcount < 0)
+  if (dynrelcount <= 0)
     return -1;
 
   /* Sort the relocs by address.  */
@@ -6970,6 +6969,10 @@ bad_return:
 		  size += sizeof ("+0x") - 1 + 8 + 8 * ABI_64_P (abfd);
 		n++;
 		s++;
+		/* There should be only one entry in PLT for a given
+		   symbol.  Set howto to NULL after processing a PLT
+		   entry to guard against corrupted PLT.  */
+		p->howto = NULL;
 	      }
 	    offset += plt_entry_size;
 	  }
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 02713a5956..ee3cc6b8b4 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -1234,6 +1234,16 @@ _bfd_elf_merge_symbol (bfd *abfd,
       olddyn = (oldsec->symbol->flags & BSF_DYNAMIC) != 0;
     }
 
+  /* Handle a case where plugin_notice won't be called and thus won't
+     set the non_ir_ref flags on the first pass over symbols.  */
+  if (oldbfd != NULL
+      && (oldbfd->flags & BFD_PLUGIN) != (abfd->flags & BFD_PLUGIN)
+      && newdyn != olddyn)
+    {
+      h->root.non_ir_ref_dynamic = TRUE;
+      hi->root.non_ir_ref_dynamic = TRUE;
+    }
+
   /* NEWDEF and OLDDEF indicate whether the new or old symbol,
      respectively, appear to be a definition rather than reference.  */
 
diff --git a/bfd/version.h b/bfd/version.h
index 3405e424f4..bc0fbb7648 100644
--- a/bfd/version.h
+++ b/bfd/version.h
@@ -1,4 +1,4 @@
-#define BFD_VERSION_DATE 20170919
+#define BFD_VERSION_DATE 20170928
 #define BFD_VERSION @bfd_version@
 #define BFD_VERSION_STRING  @bfd_version_package@ @bfd_version_string@
 #define REPORT_BUGS_TO @report_bugs_to@
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 84d3d7c1c4..ffb34fbb78 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2017-09-21  Maciej W. Rozycki  <macro@imgtec.com>
+
+	* readelf.c (get_machine_flags) <E_MIPS_MACH_5900>: New case.
+
 2017-09-15  Nick Clifton  <nickc@redhat.com>
 
 	2.29.1 Release
diff --git a/binutils/readelf.c b/binutils/readelf.c
index fb16df8e2a..41f128ed23 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -3325,6 +3325,7 @@ get_machine_flags (unsigned e_flags, unsigned e_machine)
 	    case E_MIPS_MACH_4650: strcat (buf, ", 4650"); break;
 	    case E_MIPS_MACH_5400: strcat (buf, ", 5400"); break;
 	    case E_MIPS_MACH_5500: strcat (buf, ", 5500"); break;
+	    case E_MIPS_MACH_5900: strcat (buf, ", 5900"); break;
 	    case E_MIPS_MACH_SB1:  strcat (buf, ", sb1");  break;
 	    case E_MIPS_MACH_9000: strcat (buf, ", 9000"); break;
   	    case E_MIPS_MACH_LS2E: strcat (buf, ", loongson-2e"); break;
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 42a676f598..9aa3dbca3a 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2017-09-21  Maciej W. Rozycki  <macro@imgtec.com>
+
+	* testsuite/gas/mips/elf_mach_5900.d: New test.
+	* testsuite/gas/mips/mips.exp: Run it.
+
 2017-09-15  Nick Clifton  <nickc@redhat.com>
 
 	2.29.1 Release
diff --git a/gas/testsuite/gas/mips/elf_mach_5900.d b/gas/testsuite/gas/mips/elf_mach_5900.d
new file mode 100644
index 0000000000..1df668e7e5
--- /dev/null
+++ b/gas/testsuite/gas/mips/elf_mach_5900.d
@@ -0,0 +1,22 @@
+#readelf: -Ah
+#name: ELF R5900 markings
+#as: -32 -march=r5900
+#source: empty.s
+
+ELF Header:
+#...
+  Flags: +0x..92...., .*5900.*
+#...
+
+MIPS ABI Flags Version: 0
+
+ISA: MIPS3
+GPR size: 32
+CPR1 size: 32
+CPR2 size: 0
+FP ABI: .*
+ISA Extension: Toshiba R5900
+ASEs:
+	None
+FLAGS 1: .*
+FLAGS 2: .*
diff --git a/gas/testsuite/gas/mips/mips.exp b/gas/testsuite/gas/mips/mips.exp
index c71dca4351..25221ae2af 100644
--- a/gas/testsuite/gas/mips/mips.exp
+++ b/gas/testsuite/gas/mips/mips.exp
@@ -1149,6 +1149,7 @@ if { [istarget mips*-*-vxworks*] } {
     run_dump_test "elf_ase_micromips-2"
 
     # Verify that machine markings are handled properly.
+    run_dump_test "elf_mach_5900"
     run_dump_test "elf_mach_interaptiv-mr2"
 
     run_dump_test "mips-gp32-fp32-pic"
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 6071f8977a..32c0e21f54 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,19 @@
+2017-09-28  Alan Modra  <amodra@gmail.com>
+
+	* powerpc.cc (Target_powerpc<64,*>::powerpc_info): Set
+	is_default_stack_executable false.
+
+2017-08-03  James Clarke  <jrtc27@jrtc27.com>
+
+	* options.h (General_options): Set a non-NULL second help string
+	argument for relax to allow --no-relax.
+
+2017-09-20  Alan Modra  <amodra@gmail.com>
+
+	* powerpc.cc (Target_powerpc::Branch_info::make_stub): Put
+	stubs for ppc32 non-branch relocs in first stub table.
+	(Target_powerpc::Relocate::relocate): Resolve similarly.
+
 2017-09-19  Alan Modra  <amodra@gmail.com>
 
 	* options.h (stub-group-multi): Default to true.  Add
diff --git a/gold/options.h b/gold/options.h
index 576b2a3c53..4a802cf41f 100644
--- a/gold/options.h
+++ b/gold/options.h
@@ -1164,7 +1164,8 @@ class General_options
 	      N_("Generate relocatable output"), NULL);
 
   DEFINE_bool(relax, options::TWO_DASHES, '\0', false,
-	      N_("Relax branches on certain targets"), NULL);
+	      N_("Relax branches on certain targets"),
+	      N_("Do not relax branches"));
 
   DEFINE_string(retain_symbols_file, options::TWO_DASHES, '\0', NULL,
 		N_("keep only symbols listed in this file"), N_("FILE"));
diff --git a/gold/powerpc.cc b/gold/powerpc.cc
index 629da4f8a1..22590c1e43 100644
--- a/gold/powerpc.cc
+++ b/gold/powerpc.cc
@@ -1618,7 +1618,7 @@ Target::Target_info Target_powerpc<64, true>::powerpc_info =
   false,		// has_make_symbol
   true,			// has_resolve
   false,		// has_code_fill
-  true,			// is_default_stack_executable
+  false,		// is_default_stack_executable
   false,		// can_icf_inline_merge_sections
   '\0',			// wrap_char
   "/usr/lib/ld.so.1",	// dynamic_linker
@@ -1646,7 +1646,7 @@ Target::Target_info Target_powerpc<64, false>::powerpc_info =
   false,		// has_make_symbol
   true,			// has_resolve
   false,		// has_code_fill
-  true,			// is_default_stack_executable
+  false,		// is_default_stack_executable
   false,		// can_icf_inline_merge_sections
   '\0',			// wrap_char
   "/usr/lib/ld.so.1",	// dynamic_linker
@@ -3065,11 +3065,17 @@ Target_powerpc<size, big_endian>::Branch_info::make_stub(
 	target->glink_section()->add_global_entry(gsym);
       else
 	{
-	  if (stub_table == NULL)
+	  if (stub_table == NULL
+	      && !(size == 32
+		   && gsym != NULL
+		   && !parameters->options().output_is_position_independent()
+		   && !is_branch_reloc(this->r_type_)))
 	    stub_table = this->object_->stub_table(this->shndx_);
 	  if (stub_table == NULL)
 	    {
-	      // This is a ref from a data section to an ifunc symbol.
+	      // This is a ref from a data section to an ifunc symbol,
+	      // or a non-branch reloc for which we always want to use
+	      // one set of stubs for resolving function addresses.
 	      stub_table = ifunc_stub_table;
 	    }
 	  gold_assert(stub_table != NULL);
@@ -8052,11 +8058,20 @@ Target_powerpc<size, big_endian>::Relocate::relocate(
 	}
       else
 	{
-	  Stub_table<size, big_endian>* stub_table
-	    = object->stub_table(relinfo->data_shndx);
+	  Stub_table<size, big_endian>* stub_table = NULL;
+	  if (target->stub_tables().size() == 1)
+	    stub_table = target->stub_tables()[0];
+	  if (stub_table == NULL
+	      && !(size == 32
+		   && gsym != NULL
+		   && !parameters->options().output_is_position_independent()
+		   && !is_branch_reloc(r_type)))
+	    stub_table = object->stub_table(relinfo->data_shndx);
 	  if (stub_table == NULL)
 	    {
-	      // This is a ref from a data section to an ifunc symbol.
+	      // This is a ref from a data section to an ifunc symbol,
+	      // or a non-branch reloc for which we always want to use
+	      // one set of stubs for resolving function addresses.
 	      if (target->stub_tables().size() != 0)
 		stub_table = target->stub_tables()[0];
 	    }
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 73e05b618e..ba67e20bf9 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,11 @@
+2017-09-28  Alan Modra  <amodra@gmail.com>
+
+	* testsuite/ld-plugin/pr22220.h,
+	* testsuite/ld-plugin/pr22220lib.cc,
+	* testsuite/ld-plugin/pr22220lib.ver,
+	* testsuite/ld-plugin/pr22220main.cc: New test.
+	* testsuite/ld-plugin/lto.exp: Run it.
+
 2017-09-19  Nick Clifton  <nickc@redhat.com>
 
 	2.29.1 Release
diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index f0bc345f2c..6b7ad536fb 100644
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -295,6 +295,12 @@ set lto_link_elf_tests [list \
   [list "Build pr21382.so" \
    "-shared" "-O2 -fpic" \
    {pr21382b.c} {} "pr21382.so" "c"] \
+  [list {Build pr22220lib.so} \
+   {-shared -Wl,--version-script=pr22220lib.ver} {-fPIC} \
+   {pr22220lib.cc} {} {pr22220lib.so} {c++}] \
+  [list {Build pr22220main.o} \
+   {} {-flto} \
+   {pr22220main.cc} {} {} {c++}] \
 ]
 
 # Check final symbols in executables.
@@ -396,6 +402,12 @@ set lto_run_elf_shared_tests [list \
   [list "Run pr21382" \
    "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr21382a.o tmpdir/pr21382.so" "" \
    {dummy.c} "pr21382.exe" "pass.out" "" "c"] \
+  [list {pr22220a} \
+   {-flto -fuse-linker-plugin tmpdir/pr22220main.o tmpdir/pr22220lib.so} {} \
+   {dummy.c} {pr22220a.exe} {pass.out} {} {c++}] \
+  [list {pr22220b} \
+   {-flto -fuse-linker-plugin -Wl,--no-as-needed tmpdir/pr22220lib.so tmpdir/pr22220main.o} {} \
+   {dummy.c} {pr22220b.exe} {pass.out} {} {c++}] \
 ]
 
 # LTO run-time tests for ELF
diff --git a/ld/testsuite/ld-plugin/pr22220.h b/ld/testsuite/ld-plugin/pr22220.h
new file mode 100644
index 0000000000..b15b45c08d
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr22220.h
@@ -0,0 +1,8 @@
+extern int doo();
+
+inline int *goo() {
+	static int xyz;
+	return &xyz;
+}
+
+int *boo();
diff --git a/ld/testsuite/ld-plugin/pr22220lib.cc b/ld/testsuite/ld-plugin/pr22220lib.cc
new file mode 100644
index 0000000000..771f44f7f3
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr22220lib.cc
@@ -0,0 +1,6 @@
+#include "pr22220.h"
+
+int* boo()
+{
+  return goo ();
+}
diff --git a/ld/testsuite/ld-plugin/pr22220lib.ver b/ld/testsuite/ld-plugin/pr22220lib.ver
new file mode 100644
index 0000000000..6da7e1a2bd
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr22220lib.ver
@@ -0,0 +1 @@
+BAR { global: *; };
diff --git a/ld/testsuite/ld-plugin/pr22220main.cc b/ld/testsuite/ld-plugin/pr22220main.cc
new file mode 100644
index 0000000000..38c206f7a2
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr22220main.cc
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include "pr22220.h"
+
+int main()
+{
+  if (boo() == goo())
+    {
+      printf ("PASS\n");
+      return 0;
+    }
+  return 1;
+}