Merge remote-tracking branch 'origin/master' into amd-common

[deliverable/binutils-gdb.git] / include / elf / arc.h

diff --git a/include/elf/arc.h b/include/elf/arc.h
index 707aeb463c63d75465af98fe1a3a12b2f5331bdd..a910c94ac20733876d4f48ca1323e3d15cc33ff6 100644 (file)
--- a/include/elf/arc.h
+++ b/include/elf/arc.h
@@ -1,5 +1,5 @@
 /* ARC ELF support for BFD.
-   Copyright (C) 1995-2015 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    Contributed by Doug Evans, (dje@cygnus.com)
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -39,22 +39,15 @@ END_RELOC_NUMBERS (R_ARC_max)
 
 /* Processor specific flags for the ELF header e_flags field.  */
 
-/* Four bit ARC machine type field.  */
 #define EF_ARC_MACH_MSK         0x000000ff
 #define EF_ARC_OSABI_MSK 0x00000f00
 #define EF_ARC_ALL_MSK  (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK)
 
-/* Four bit ARC machine type field.  */
-
-#define EF_ARC_MACH 0x0000000f
-
-/* Various CPU types.  */
+/* Various CPU types.  These numbers are exposed in the ELF header flags
+   (e_flags field), and so must never change.  */
 #define E_ARC_MACH_ARC600      0x00000002
 #define E_ARC_MACH_ARC601      0x00000004
 #define E_ARC_MACH_ARC700      0x00000003
-
-/* Processor specific flags for the ELF header e_flags field.  */
-#define EF_ARC_CPU_GENERIC      0x00000000
 #define EF_ARC_CPU_ARCV2EM      0x00000005
 #define EF_ARC_CPU_ARCV2HS      0x00000006
 
@@ -62,12 +55,43 @@ END_RELOC_NUMBERS (R_ARC_max)
 #define E_ARC_OSABI_ORIG       0x00000000   /* MUST be 0 for back-compat.  */
 #define E_ARC_OSABI_V2         0x00000200
 #define E_ARC_OSABI_V3         0x00000300
-#define E_ARC_OSABI_CURRENT    E_ARC_OSABI_V3
-
+#define E_ARC_OSABI_V4         0x00000400
+#define E_ARC_OSABI_CURRENT    E_ARC_OSABI_V4
 /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.  */
 
 /* File contains position independent code.  */
 
 #define EF_ARC_PIC 0x00000100
 
+/* Additional section types.  */
+#define SHT_ARC_ATTRIBUTES     0x70000001      /* Section holds attributes.  */
+
+/* ARC ABI object attributes.  */
+enum {
+  /* 0-3 are generic.  */
+  Tag_ARC_PCS_config = 4,
+  Tag_ARC_CPU_base,
+  Tag_ARC_CPU_variation,
+  Tag_ARC_CPU_name,
+  Tag_ARC_ABI_rf16,
+  Tag_ARC_ABI_osver,
+  Tag_ARC_ABI_sda,
+  Tag_ARC_ABI_pic,
+  Tag_ARC_ABI_tls,
+  Tag_ARC_ABI_enumsize,
+  Tag_ARC_ABI_exceptions,
+  Tag_ARC_ABI_double_size,
+  Tag_ARC_ISA_config,
+  Tag_ARC_ISA_apex,
+  Tag_ARC_ISA_mpy_option,
+  Tag_ARC_ATR_version = 20
+};
+
+/* Values for the Tag_ARC_cpu_base attribute.  */
+#define TAG_CPU_NONE     0
+#define TAG_CPU_ARC6xx   1
+#define TAG_CPU_ARC7xx   2
+#define TAG_CPU_ARCEM    3
+#define TAG_CPU_ARCHS    4
+
 #endif /* _ELF_ARC_H */