Update year range in copyright notice of binutils files

[thirdparty/binutils-gdb.git] / include / elf / arm.h

diff --git a/include/elf/arm.h b/include/elf/arm.h
index e3df27f969b3ea56e83b21d11f3f07929489c350..5b6e403dd28993f71ee5b8928d8155e45579cffc 100644 (file)
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -1,6 +1,5 @@
 /* ARM ELF support for BFD.
-   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 1998-2021 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -24,8 +23,9 @@
 #include "elf/reloc-macros.h"
 
 /* Processor specific flags for the ELF header e_flags field.  */
+
+/* Old ABI (ie GNU pre EABI).  These are deprecated.  */
 #define EF_ARM_RELEXEC     0x01
-#define EF_ARM_HASENTRY    0x02
 #define EF_ARM_INTERWORK   0x04
 #define EF_ARM_APCS_26     0x08
 #define EF_ARM_APCS_FLOAT  0x10
@@ -40,16 +40,21 @@
 /* Frame unwind information */
 #define PT_ARM_EXIDX (PT_LOPROC + 1)
 
-/* Other constants defined in the ARM ELF spec. version B-01.  */
+/* Old ARM ELF spec. version B-01.  Mostly deprecated.  */
 #define EF_ARM_SYMSARESORTED 0x04      /* NB conflicts with EF_INTERWORK.  */
 #define EF_ARM_DYNSYMSUSESEGIDX 0x08   /* NB conflicts with EF_APCS26.  */
 #define EF_ARM_MAPSYMSFIRST 0x10       /* NB conflicts with EF_APCS_FLOAT.  */
-#define EF_ARM_EABIMASK      0xFF000000
+
+/* New constants defined in the ARM ELF spec. version XXX (AAELF).
+   Only valid in conjunction with EF_ARM_EABI_VER5. */
+#define EF_ARM_ABI_FLOAT_SOFT 0x200    /* NB conflicts with EF_ARM_SOFT_FLOAT.  */
+#define EF_ARM_ABI_FLOAT_HARD 0x400    /* NB conflicts with EF_ARM_VFP_FLOAT.  */
 
 /* Constants defined in AAELF.  */
 #define EF_ARM_BE8         0x00800000
 #define EF_ARM_LE8         0x00400000
 
+#define EF_ARM_EABIMASK      0xFF000000
 #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
 #define EF_ARM_EABI_UNKNOWN  0x00000000
 #define EF_ARM_EABI_VER1     0x01000000
@@ -79,6 +84,7 @@
 
 /* ARM-specific values for sh_flags.  */
 #define SHF_ENTRYSECT      0x10000000   /* Section contains an entry point.  */
+#define SHF_ARM_PURECODE   0x20000000   /* Section contains only code and no data.  */
 #define SHF_COMDEF         0x80000000   /* Section may be multiply defined in the input to a link step.  */
 
 /* ARM-specific program header flags.  */
@@ -101,7 +107,12 @@
 #define TAG_CPU_ARCH_V6_M      11
 #define TAG_CPU_ARCH_V6S_M     12
 #define TAG_CPU_ARCH_V7E_M     13
-#define MAX_TAG_CPU_ARCH       13
+#define TAG_CPU_ARCH_V8                14
+#define TAG_CPU_ARCH_V8R       15
+#define TAG_CPU_ARCH_V8M_BASE  16
+#define TAG_CPU_ARCH_V8M_MAIN  17
+#define TAG_CPU_ARCH_V8_1M_MAIN 21
+#define MAX_TAG_CPU_ARCH       TAG_CPU_ARCH_V8_1M_MAIN
 /* Pseudo-architecture to allow objects to be compatible with the subset of
    armv4t and armv6-m.  This value should never be stored in object files.  */
 #define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1)
@@ -226,6 +237,23 @@ START_RELOC_NUMBERS (elf_arm_reloc_type)
   RELOC_NUMBER (R_ARM_ME_TOO,          128)   /* obsolete */
   RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ  ,129)
 
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132)
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133)
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134)
+  RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135)
+  RELOC_NUMBER (R_ARM_THM_BF16,                136)
+  RELOC_NUMBER (R_ARM_THM_BF12,                137)
+  RELOC_NUMBER (R_ARM_THM_BF18,                138)
+
+  RELOC_NUMBER (R_ARM_IRELATIVE,       160)
+  RELOC_NUMBER (R_ARM_GOTFUNCDESC,     161)
+  RELOC_NUMBER (R_ARM_GOTOFFFUNCDESC,  162)
+  RELOC_NUMBER (R_ARM_FUNCDESC,        163)
+  RELOC_NUMBER (R_ARM_FUNCDESC_VALUE,  164)
+  RELOC_NUMBER (R_ARM_TLS_GD32_FDPIC,   165)
+  RELOC_NUMBER (R_ARM_TLS_LDM32_FDPIC,  166)
+  RELOC_NUMBER (R_ARM_TLS_IE32_FDPIC,   167)
+
   /* Extensions?  R=read-only?  */
   RELOC_NUMBER (R_ARM_RXPC25,          249)
   RELOC_NUMBER (R_ARM_RSBREL32,        250)
@@ -297,6 +325,8 @@ enum
   Tag_MPextension_use,
   Tag_undefined_43,
   Tag_DIV_use,
+  Tag_DSP_extension = 46,
+  Tag_MVE_arch = 48,
   Tag_nodefaults = 64,
   Tag_also_compatible_with,
   Tag_T2EE_use,
@@ -312,6 +342,23 @@ enum
   Tag_VFP_HP_extension = Tag_FP_HP_extension
 };
 
+/* Values for Tag_ABI_FP_number_model.  */
+enum
+{
+  AEABI_FP_number_model_none = 0,
+  AEABI_FP_number_model_ieee754_number = 1,
+  AEABI_FP_number_model_rtabi = 2,
+  AEABI_FP_number_model_ieee754_all = 3
+};
+
+/* Values for Tag_ABI_VFP_args.  */
+enum
+{
+  AEABI_VFP_args_base = 0,
+  AEABI_VFP_args_vfp = 1,
+  AEABI_VFP_args_toolchain = 2,
+  AEABI_VFP_args_compatible = 3
+};
 #endif
 
 /* The name of the note section used to identify arm variants.  */
@@ -326,10 +373,30 @@ enum
 enum arm_st_branch_type {
   ST_BRANCH_TO_ARM,
   ST_BRANCH_TO_THUMB,
-  ST_BRANCH_LONG
+  ST_BRANCH_LONG,
+  ST_BRANCH_UNKNOWN,
+  ST_BRANCH_ENUM_SIZE
 };
 
-#define ARM_SYM_BRANCH_TYPE(SYM) \
-  ((enum arm_st_branch_type) (SYM)->st_target_internal)
+#define NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS 2
+#define ENUM_ARM_ST_BRANCH_TYPE_BITMASK        \
+  ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) - 1)
+
+#define ARM_GET_SYM_BRANCH_TYPE(STI) \
+  ((enum arm_st_branch_type) ((STI) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK))
+#ifdef BFD_ASSERT
+#define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE)                     \
+  do {                                                         \
+    BFD_ASSERT (TYPE <= ST_BRANCH_ENUM_SIZE);                  \
+    BFD_ASSERT ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS)                \
+               >= ST_BRANCH_ENUM_SIZE);                        \
+    (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK)                \
+            | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK));     \
+  } while (0)
+#else
+#define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE)                     \
+  (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK)          \
+          | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK))
+#endif
 
 #endif /* _ELF_ARM_H */