gdb: add target_ops::supports_displaced_step

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

diff --git a/bfd/coff-mips.c b/bfd/coff-mips.c
index 3ada9ceb0f99a0806d85f70b27f66cc599c78b5e..772175325c919163f3e07b5d0d8ead61485be8cd 100644 (file)
--- a/bfd/coff-mips.c
+++ b/bfd/coff-mips.c
@@ -1,5 +1,5 @@
 /* BFD back-end for MIPS Extended-Coff files.
-   Copyright (C) 1990-2019 Free Software Foundation, Inc.
+   Copyright (C) 1990-2020 Free Software Foundation, Inc.
    Original version by Per Bothner.
    Full support added by Ian Lance Taylor, ian@cygnus.com.
 
@@ -31,6 +31,9 @@
 #include "coff/mips.h"
 #include "libcoff.h"
 #include "libecoff.h"
+
+/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1.  */
+#define OCTETS_PER_BYTE(ABFD, SEC) 1
 \f
 /* Prototypes for static functions.  */
 static bfd_reloc_status_type
@@ -484,13 +487,13 @@ mips_refhi_reloc (bfd *abfd ATTRIBUTE_UNUSED,
    relocation described above.  */
 
 static bfd_reloc_status_type
-mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+mips_reflo_reloc (bfd *abfd,
                  arelent *reloc_entry,
                  asymbol *symbol,
                  void * data,
                  asection *input_section,
                  bfd *output_bfd,
-                 char **error_message ATTRIBUTE_UNUSED)
+                 char **error_message)
 {
   if (mips_refhi_list != NULL)
     {
@@ -503,11 +506,12 @@ mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED,
          unsigned long val;
          unsigned long vallo;
          struct mips_hi *next;
+         bfd_size_type octets = (reloc_entry->address
+                                 * OCTETS_PER_BYTE (abfd, input_section));
+         bfd_byte *loc = (bfd_byte *) data + octets;
 
-         if (! bfd_reloc_offset_in_range (reloc_entry->howto, abfd,
-                                          input_section,
-                                          reloc_entry->address
-                                          * bfd_octets_per_byte (abfd)))
+         if (!bfd_reloc_offset_in_range (reloc_entry->howto, abfd,
+                                         input_section, octets))
            return bfd_reloc_outofrange;
 
          /* Do the REFHI relocation.  Note that we actually don't
@@ -515,8 +519,7 @@ mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED,
             where to find the low 16 bits of the addend needed by the
             REFHI.  */
          insn = bfd_get_32 (abfd, l->addr);
-         vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
-                  & 0xffff);
+         vallo = bfd_get_32 (abfd, loc) & 0xffff;
          val = ((insn & 0xffff) << 16) + vallo;
          val += l->addend;
 
@@ -544,7 +547,7 @@ mips_reflo_reloc (bfd *abfd ATTRIBUTE_UNUSED,
 
   /* Now do the REFLO reloc in the usual way.  */
   return mips_generic_reloc (abfd, reloc_entry, symbol, data,
-                             input_section, output_bfd, error_message);
+                            input_section, output_bfd, error_message);
 }
 
 /* Do a GPREL relocation.  This is a 16 bit value which must become
@@ -1012,8 +1015,7 @@ mips_relocate_section (bfd *output_bfd,
 
                  /* Compute a new r_symndx value.  */
                  s = h->root.u.def.section;
-                 name = bfd_get_section_name (output_bfd,
-                                              s->output_section);
+                 name = bfd_section_name (s->output_section);
 
                  int_rel.r_symndx = -1;
                  switch (name[1])
@@ -1223,7 +1225,7 @@ mips_relocate_section (bfd *output_bfd,
                if (int_rel.r_extern)
                  name = NULL;
                else
-                 name = bfd_section_name (input_bfd, s);
+                 name = bfd_section_name (s);
                (*info->callbacks->reloc_overflow)
                  (info, (h ? &h->root : NULL), name, howto->name,
                   (bfd_vma) 0, input_bfd, input_section,
@@ -1416,6 +1418,7 @@ static const struct ecoff_backend_data mips_ecoff_backend_data =
 #define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections
 
 #define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section
+#define _bfd_ecoff_bfd_group_name bfd_generic_group_name
 #define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group
 #define _bfd_ecoff_section_already_linked \
   _bfd_coff_section_already_linked
@@ -1437,7 +1440,8 @@ const bfd_target mips_ecoff_le_vec =
    | HAS_LINENO | HAS_DEBUG
    | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 
-  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE
+   | SEC_DATA | SEC_SMALL_DATA),
   0,                           /* leading underscore */
   ' ',                         /* ar_pad_char */
   15,                          /* ar_max_namelen */
@@ -1494,7 +1498,8 @@ const bfd_target mips_ecoff_be_vec =
    | HAS_LINENO | HAS_DEBUG
    | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 
-  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE
+   | SEC_DATA | SEC_SMALL_DATA),
   0,                           /* leading underscore */
   ' ',                         /* ar_pad_char */
   15,                          /* ar_max_namelen */
@@ -1551,7 +1556,8 @@ const bfd_target mips_ecoff_bele_vec =
    | HAS_LINENO | HAS_DEBUG
    | HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
 
-  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
+  (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE
+   | SEC_DATA | SEC_SMALL_DATA),
   0,                           /* leading underscore */
   ' ',                         /* ar_pad_char */
   15,                          /* ar_max_namelen */