/* ARC ELF support for BFD.
- Copyright (C) 1995-2016 Free Software Foundation, Inc.
+ Copyright (C) 1995-2017 Free Software Foundation, Inc.
Contributed by Doug Evans, (dje@cygnus.com)
This file is part of BFD, the Binary File Descriptor library.
/* 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
#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
+};
+
+/* 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 */