X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Felf%2Farc.h;h=a910c94ac20733876d4f48ca1323e3d15cc33ff6;hb=d768f160a99558a07a2463899c8bfeec0f0a67a7;hp=6b4246293c69c9ff94a91c29453c52e3e10f2a2d;hpb=4b95cf5c0c75d6efc1b2f96af72317aecca079f1;p=deliverable%2Fbinutils-gdb.git diff --git a/include/elf/arc.h b/include/elf/arc.h index 6b4246293c..a910c94ac2 100644 --- a/include/elf/arc.h +++ b/include/elf/arc.h @@ -1,5 +1,5 @@ /* ARC ELF support for BFD. - Copyright (C) 1995-2014 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. @@ -28,30 +28,70 @@ /* Relocations. */ +#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \ + RELOC_NUMBER(R_##TYPE, VALUE) + START_RELOC_NUMBERS (elf_arc_reloc_type) - RELOC_NUMBER (R_ARC_NONE, 0) - RELOC_NUMBER (R_ARC_32, 1) - RELOC_NUMBER (R_ARC_B26, 2) - RELOC_NUMBER (R_ARC_B22_PCREL, 3) +#include "arc-reloc.def" 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 0x0000000f +#undef ARC_RELOC_HOWTO -/* Various CPU types. */ - -#define E_ARC_MACH_ARC5 0 -#define E_ARC_MACH_ARC6 1 -#define E_ARC_MACH_ARC7 2 -#define E_ARC_MACH_ARC8 3 +/* Processor specific flags for the ELF header e_flags 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) + +/* 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 +#define EF_ARC_CPU_ARCV2EM 0x00000005 +#define EF_ARC_CPU_ARCV2HS 0x00000006 + +/* ARC Linux specific ABIs. */ +#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_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 */