Update year range in copyright notice of binutils files

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

diff --git a/include/elf/arm.h b/include/elf/arm.h
index bd9fd8bcf540933cf99957e1c138b479a83958ca..13f20002c25e126ad266b166c6e21125c57a4aaf 100644 (file)
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -1,5 +1,5 @@
 /* ARM ELF support for BFD.
-   Copyright (C) 1998-2016 Free Software Foundation, Inc.
+   Copyright (C) 1998-2019 Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -23,6 +23,8 @@
 #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_INTERWORK   0x04
 #define EF_ARM_APCS_26     0x08
@@ -38,13 +40,12 @@
 /* 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.
+/* 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.  */
@@ -53,6 +54,7 @@
 #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
@@ -82,7 +84,7 @@
 
 /* ARM-specific values for sh_flags.  */
 #define SHF_ENTRYSECT      0x10000000   /* Section contains an entry point.  */
-#define SHF_ARM_NOREAD     0x20000000   /* Section contains code that can be place on no read memory area.  */
+#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.  */
@@ -106,6 +108,7 @@
 #define TAG_CPU_ARCH_V6S_M     12
 #define TAG_CPU_ARCH_V7E_M     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 MAX_TAG_CPU_ARCH       TAG_CPU_ARCH_V8M_MAIN
@@ -239,6 +242,13 @@ START_RELOC_NUMBERS (elf_arm_reloc_type)
   RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135)
 
   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)
@@ -359,10 +369,36 @@ enum arm_st_branch_type {
   ST_BRANCH_TO_ARM,
   ST_BRANCH_TO_THUMB,
   ST_BRANCH_LONG,
-  ST_BRANCH_UNKNOWN
+  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
+
+/* Get or set whether a symbol is a special symbol of an entry function of CMSE
+   secure code.  */
+#define ARM_GET_SYM_CMSE_SPCL(SYM_TARGET_INTERNAL) \
+  (((SYM_TARGET_INTERNAL) >> 2) & 1)
+#define ARM_SET_SYM_CMSE_SPCL(SYM_TARGET_INTERNAL) \
+  (SYM_TARGET_INTERNAL) |= 4
 
 #endif /* _ELF_ARM_H */