gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / bfd / libbfd-in.h

diff --git a/bfd/libbfd-in.h b/bfd/libbfd-in.h
index 3c55adf0753cfc17f06307962eb327ee914c5513..5d24efbeb269ddb91f425dc14d0db20e0397d509 100644 (file)
--- a/bfd/libbfd-in.h
+++ b/bfd/libbfd-in.h
@@ -1,7 +1,7 @@
 /* libbfd.h -- Declarations used by bfd library *implementation*.
    (This include file is not for users of the library.)
 
-   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+   Copyright (C) 1990-2020 Free Software Foundation, Inc.
 
    Written by Cygnus Support.
 
@@ -116,19 +116,18 @@ extern void *bfd_realloc_or_free
   (void *, bfd_size_type) ATTRIBUTE_HIDDEN;
 extern void *bfd_zmalloc
   (bfd_size_type) ATTRIBUTE_HIDDEN;
-extern void *bfd_malloc2
-  (bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
-extern void *bfd_realloc2
-  (void *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
-extern void *bfd_zmalloc2
-  (bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 
+static inline char *
+bfd_strdup (const char *str)
+{
+  size_t len = strlen (str) + 1;
+  char *buf = bfd_malloc (len);
+  if (buf != NULL)
+    memcpy (buf, str, len);
+  return buf;
+}
 /* These routines allocate and free things on the BFD's objalloc.  */
 
-extern void *bfd_alloc2
-  (bfd *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
-extern void *bfd_zalloc2
-  (bfd *, bfd_size_type, bfd_size_type) ATTRIBUTE_HIDDEN;
 extern void bfd_release
   (bfd *, void *) ATTRIBUTE_HIDDEN;
 
@@ -142,7 +141,7 @@ extern bfd_boolean _bfd_generic_mkarchive
   (bfd *) ATTRIBUTE_HIDDEN;
 extern char *_bfd_append_relative_path
   (bfd *, char *) ATTRIBUTE_HIDDEN;
-extern const bfd_target *bfd_generic_archive_p
+extern bfd_cleanup bfd_generic_archive_p
   (bfd *) ATTRIBUTE_HIDDEN;
 extern bfd_boolean bfd_slurp_armap
   (bfd *) ATTRIBUTE_HIDDEN;
@@ -228,8 +227,9 @@ extern void _bfd_void_bfd_asection
 
 extern bfd *_bfd_new_bfd_contained_in
   (bfd *) ATTRIBUTE_HIDDEN;
-extern const bfd_target *_bfd_dummy_target
+extern bfd_cleanup _bfd_dummy_target
   (bfd *) ATTRIBUTE_HIDDEN;
+#define _bfd_no_cleanup _bfd_void_bfd
 
 extern void bfd_dont_truncate_arname
   (bfd *, const char *, char *) ATTRIBUTE_HIDDEN;
@@ -277,6 +277,7 @@ extern int bfd_generic_stat_arch_elt
 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
 extern bfd_boolean _bfd_archive_close_and_cleanup
   (bfd *) ATTRIBUTE_HIDDEN;
+extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN;
 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true
 extern bfd_boolean _bfd_generic_new_section_hook
   (bfd *, asection *) ATTRIBUTE_HIDDEN;
@@ -425,9 +426,9 @@ extern symindex _bfd_vms_lib_find_symbol
   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 extern bfd *_bfd_vms_lib_get_imagelib_file
   (bfd *) ATTRIBUTE_HIDDEN;
-extern const bfd_target *_bfd_vms_lib_alpha_archive_p
+extern bfd_cleanup _bfd_vms_lib_alpha_archive_p
   (bfd *) ATTRIBUTE_HIDDEN;
-extern const bfd_target *_bfd_vms_lib_ia64_archive_p
+extern bfd_cleanup _bfd_vms_lib_ia64_archive_p
   (bfd *) ATTRIBUTE_HIDDEN;
 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive
   (bfd *) ATTRIBUTE_HIDDEN;
@@ -446,7 +447,7 @@ extern void _bfd_nosymbols_print_symbol
 extern void _bfd_nosymbols_get_symbol_info
   (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN;
 extern const char * _bfd_nosymbols_get_symbol_version_string
-  (bfd *, asymbol *, bfd_boolean *) ATTRIBUTE_HIDDEN;
+  (bfd *, asymbol *, bfd_boolean, bfd_boolean *) ATTRIBUTE_HIDDEN;
 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name
   (bfd *, const char *) ATTRIBUTE_HIDDEN;
 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
@@ -513,6 +514,8 @@ extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags
 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
 extern bfd_boolean _bfd_nolink_bfd_is_group_section
   (bfd *, const asection *) ATTRIBUTE_HIDDEN;
+extern const char *_bfd_nolink_bfd_group_name
+  (bfd *, const asection *) ATTRIBUTE_HIDDEN;
 extern bfd_boolean _bfd_nolink_bfd_discard_group
   (bfd *, asection *) ATTRIBUTE_HIDDEN;
 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
@@ -584,10 +587,10 @@ struct dwarf_debug_section
 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN;
 
 /* Find the nearest line using DWARF 2 debugging information.  */
-extern bfd_boolean _bfd_dwarf2_find_nearest_line
+extern int _bfd_dwarf2_find_nearest_line
   (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
    const char **, const char **, unsigned int *, unsigned int *,
-   const struct dwarf_debug_section *, unsigned int, void **) ATTRIBUTE_HIDDEN;
+   const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN;
 
 /* Find the bias between DWARF addresses and real addresses.  */
 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
@@ -696,8 +699,8 @@ extern bfd_reloc_status_type _bfd_relocate_contents
   (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN;
 
 /* Clear a given location using a given howto.  */
-extern void _bfd_clear_contents
-  (reloc_howto_type *, bfd *, asection *, bfd_byte *) ATTRIBUTE_HIDDEN;
+extern bfd_reloc_status_type _bfd_clear_contents
+  (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN;
 
 /* Link stabs in sections in the first pass.  */
 
@@ -893,3 +896,63 @@ extern bfd_signed_vma _bfd_read_signed_leb128
 extern bfd_vma _bfd_safe_read_leb128
   (bfd *, bfd_byte *, unsigned int *, bfd_boolean, const bfd_byte * const)
   ATTRIBUTE_HIDDEN;
+
+#if GCC_VERSION >= 7000
+#define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res)
+#else
+/* Assumes unsigned values.  Careful!  Args evaluated multiple times.  */
+#define _bfd_mul_overflow(a, b, res) \
+  ((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a))
+#endif
+
+#ifdef __GNUC__
+#define _bfd_constant_p(v) __builtin_constant_p (v)
+#else
+#define _bfd_constant_p(v) 0
+#endif
+
+static inline bfd_byte *
+_bfd_alloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize)
+{
+  bfd_byte *mem;
+  if (!_bfd_constant_p (rsize))
+    {
+      ufile_ptr filesize = bfd_get_file_size (abfd);
+      if (filesize != 0 && rsize > filesize)
+       {
+         bfd_set_error (bfd_error_file_truncated);
+         return NULL;
+       }
+    }
+  mem = bfd_alloc (abfd, asize);
+  if (mem != NULL)
+    {
+      if (bfd_bread (mem, rsize, abfd) == rsize)
+       return mem;
+      bfd_release (abfd, mem);
+    }
+  return NULL;
+}
+
+static inline bfd_byte *
+_bfd_malloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize)
+{
+  bfd_byte *mem;
+  if (!_bfd_constant_p (rsize))
+    {
+      ufile_ptr filesize = bfd_get_file_size (abfd);
+      if (filesize != 0 && rsize > filesize)
+       {
+         bfd_set_error (bfd_error_file_truncated);
+         return NULL;
+       }
+    }
+  mem = bfd_malloc (asize);
+  if (mem != NULL)
+    {
+      if (bfd_bread (mem, rsize, abfd) == rsize)
+       return mem;
+      free (mem);
+    }
+  return NULL;
+}