Inconsistent .eh_frame_hdr on powerpc64

[deliverable/binutils-gdb.git] / bfd / elf32-mips.c

diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index 4438ee83c2ac62cb80e25be34177d1b5e6a46a3d..ec4e7d38c57111fb399f0514b574805d9ed0f777 100644 (file)
--- a/bfd/elf32-mips.c
+++ b/bfd/elf32-mips.c
@@ -1,5 +1,5 @@
 /* MIPS-specific support for 32-bit ELF
-   Copyright (C) 1993-2016 Free Software Foundation, Inc.
+   Copyright (C) 1993-2017 Free Software Foundation, Inc.
 
    Most of the information added by Ian Lance Taylor, Cygnus Support,
    <ian@cygnus.com>.
@@ -2353,6 +2353,8 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
        return FALSE;
 
       case 128:                /* Linux/MIPS elf_prpsinfo */
+       elf_tdata (abfd)->core->pid
+        = bfd_get_32 (abfd, note->descdata + 16);
        elf_tdata (abfd)->core->program
         = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
        elf_tdata (abfd)->core->command
@@ -2373,6 +2375,45 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
 
   return TRUE;
 }
+
+/* Write Linux core PRSTATUS note into core file.  */
+
+static char *
+elf32_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
+                            ...)
+{
+  switch (note_type)
+    {
+    default:
+      return NULL;
+
+    case NT_PRPSINFO:
+      BFD_FAIL ();
+      return NULL;
+
+    case NT_PRSTATUS:
+      {
+       char data[256];
+       va_list ap;
+       long pid;
+       int cursig;
+       const void *greg;
+
+       va_start (ap, note_type);
+       memset (data, 0, 72);
+       pid = va_arg (ap, long);
+       bfd_put_32 (abfd, pid, data + 24);
+       cursig = va_arg (ap, int);
+       bfd_put_16 (abfd, cursig, data + 12);
+       greg = va_arg (ap, const void *);
+       memcpy (data + 72, greg, 180);
+       memset (data + 252, 0, 4);
+       va_end (ap);
+       return elfcore_write_note (abfd, buf, bufsiz,
+                                  "CORE", note_type, data, sizeof (data));
+      }
+    }
+}
 \f
 /* Depending on the target vector we generate some version of Irix
    executables or "normal" MIPS ELF ABI executables.  */
@@ -2474,7 +2515,6 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
                                        _bfd_mips_elf_additional_program_headers
 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
 #define elf_backend_gc_mark_hook       _bfd_mips_elf_gc_mark_hook
-#define elf_backend_gc_sweep_hook      _bfd_mips_elf_gc_sweep_hook
 #define elf_backend_copy_indirect_symbol \
                                        _bfd_mips_elf_copy_indirect_symbol
 #define elf_backend_grok_prstatus      elf32_mips_grok_prstatus
@@ -2482,6 +2522,7 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #define elf_backend_ecoff_debug_swap   &mips_elf32_ecoff_debug_swap
 
 #define elf_backend_got_header_size    (4 * MIPS_RESERVED_GOTNO)
+#define elf_backend_want_dynrelro      1
 #define elf_backend_may_use_rel_p      1
 #define elf_backend_may_use_rela_p     0
 #define elf_backend_default_use_rela_p 0
@@ -2554,6 +2595,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #define ELF_COMMONPAGESIZE             0x1000
 #define elf32_bed                      elf32_tradbed
 
+#undef elf_backend_write_core_note
+#define elf_backend_write_core_note    elf32_mips_write_core_note
+
 /* Include the target file again for this target.  */
 #include "elf32-target.h"
 
@@ -2575,6 +2619,8 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
 #undef elf32_bed
 #define elf32_bed                              elf32_fbsd_tradbed
 
+#undef elf_backend_write_core_note
+
 #include "elf32-target.h"
 /* Implement elf_backend_final_write_processing for VxWorks.  */
 
@@ -2617,6 +2663,8 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
 #define elf_backend_default_use_rela_p         1
 #undef elf_backend_got_header_size
 #define elf_backend_got_header_size            (4 * 3)
+#undef elf_backend_dtrel_excludes_plt
+#define elf_backend_dtrel_excludes_plt         1
 
 #undef elf_backend_finish_dynamic_symbol
 #define elf_backend_finish_dynamic_symbol \