Removed generation of the PT_GNU_PROPERTY segment

[external/binutils.git] / bfd / bfd-in.h

diff --git a/bfd/bfd-in.h b/bfd/bfd-in.h
index f00625d..6544838 100644 (file)
--- a/bfd/bfd-in.h
+++ b/bfd/bfd-in.h
@@ -1,6 +1,6 @@
 /* Main header file for the bfd library -- portable access to object files.
 
-   Copyright (C) 1990-2018 Free Software Foundation, Inc.
+   Copyright (C) 1990-2019 Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.
 
@@ -34,6 +34,7 @@ extern "C" {
 
 #include "ansidecl.h"
 #include "symcat.h"
+#include "bfd_stdint.h"
 #include "diagnostics.h"
 #include <stdarg.h>
 #include <sys/stat.h>
@@ -234,9 +235,6 @@ bfd_format;
 /* A count of carsyms (canonical archive symbols).  */
 typedef unsigned long symindex;
 
-/* How to perform a relocation.  */
-typedef const struct reloc_howto_struct reloc_howto_type;
-
 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 
 /* General purpose part of a symbol X;
@@ -520,9 +518,7 @@ extern int bfd_stat (bfd *, struct stat *);
 #endif
 extern void _bfd_warn_deprecated (const char *, const char *, int, const char *);
 
-/* Cast from const char * to char * so that caller can assign to
-   a char * without a warning.  */
-#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
+#define bfd_get_filename(abfd) ((abfd)->filename)
 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 #define bfd_get_format(abfd) ((abfd)->format)
 #define bfd_get_target(abfd) ((abfd)->xvec->name)
@@ -997,11 +993,54 @@ extern void bfd_elf64_aarch64_init_maps
 extern void bfd_elf32_aarch64_init_maps
   (bfd *);
 
+/* Types of PLTs based on the level of security.  This would be a
+   bit-mask to denote which of the combinations of security features
+   are enabled:
+   - No security feature PLTs
+   - PLTs with BTI instruction
+   - PLTs with PAC instruction
+*/
+typedef enum
+{
+  PLT_NORMAL   = 0x0,  /* Normal plts.  */
+  PLT_BTI      = 0x1,  /* plts with bti.  */
+  PLT_PAC      = 0x2,  /* plts with pointer authentication.  */
+  PLT_BTI_PAC  = PLT_BTI | PLT_PAC
+} aarch64_plt_type;
+
+/* To indicate if BTI is enabled with/without warning.  */
+typedef enum
+{
+  BTI_NONE     = 0,  /* BTI is not enabled.  */
+  BTI_WARN     = 1,  /* BTI is enabled with -z force-bti.  */
+} aarch64_enable_bti_type;
+
+/* A structure to encompass all information coming from BTI or PAC
+   related command line options.  This involves the "PLT_TYPE" to determine
+   which version of PLTs to pick and "BTI_TYPE" to determine if
+   BTI should be turned on with any warnings.   */
+typedef struct
+{
+  aarch64_plt_type plt_type;
+  aarch64_enable_bti_type bti_type;
+} aarch64_bti_pac_info;
+
+/* An enum to define what kind of erratum fixes we should apply.  This gives the
+   user a bit more control over the sequences we generate.  */
+typedef enum
+{
+  ERRAT_NONE  = (1 << 0),  /* No erratum workarounds allowed.  */
+  ERRAT_ADR   = (1 << 1),  /* Erratum workarounds using ADR allowed.  */
+  ERRAT_ADRP  = (1 << 2),  /* Erratum workarounds using ADRP are allowed.  */
+} erratum_84319_opts;
+
 extern void bfd_elf64_aarch64_set_options
-  (bfd *, struct bfd_link_info *, int, int, int, int, int, int);
+  (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
+   aarch64_bti_pac_info);
 
 extern void bfd_elf32_aarch64_set_options
-  (bfd *, struct bfd_link_info *, int, int, int, int, int, int);
+  (bfd *, struct bfd_link_info *, int, int, int, int, erratum_84319_opts, int,
+   aarch64_bti_pac_info);
 
 /* ELF AArch64 mapping symbol support.  */
 #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP       (1 << 0)