/* ARM ELF support for BFD.
- Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
/* Processor specific flags for the ELF header e_flags field. */
#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
#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.
+ 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
/* 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. */
#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 MAX_TAG_CPU_ARCH TAG_CPU_ARCH_V8M_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)
RELOC_NUMBER (R_ARM_THM_CALL, 10)
RELOC_NUMBER (R_ARM_THM_PC8, 11)
RELOC_NUMBER (R_ARM_BREL_ADJ, 12)
- RELOC_NUMBER (R_ARM_SWI24, 13) /* obsolete */
+ RELOC_NUMBER (R_ARM_TLS_DESC, 13)
RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */
RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */
RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */
RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87)
RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88)
RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89)
- /* 90-93 unallocated */
+ RELOC_NUMBER (R_ARM_TLS_GOTDESC, 90)
+ RELOC_NUMBER (R_ARM_TLS_CALL, 91)
+ RELOC_NUMBER (R_ARM_TLS_DESCSEQ, 92)
+ RELOC_NUMBER (R_ARM_THM_TLS_CALL, 93)
RELOC_NUMBER (R_ARM_PLT32_ABS, 94)
RELOC_NUMBER (R_ARM_GOT_ABS, 95)
RELOC_NUMBER (R_ARM_GOT_PREL, 96)
RELOC_NUMBER (R_ARM_TLS_IE12GP, 111)
/* 112 - 127 private range */
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_IRELATIVE, 160)
/* Extensions? R=read-only? */
RELOC_NUMBER (R_ARM_RXPC25, 249)
Tag_CPU_arch_profile,
Tag_ARM_ISA_use,
Tag_THUMB_ISA_use,
- Tag_VFP_arch,
+ Tag_FP_arch,
Tag_WMMX_arch,
Tag_Advanced_SIMD_arch,
Tag_PCS_config,
Tag_ABI_FP_exceptions,
Tag_ABI_FP_user_exceptions,
Tag_ABI_FP_number_model,
- Tag_ABI_align8_needed,
- Tag_ABI_align8_preserved,
+ Tag_ABI_align_needed,
+ Tag_ABI_align_preserved,
Tag_ABI_enum_size,
Tag_ABI_HardFP_use,
Tag_ABI_VFP_args,
Tag_undefined33 = 33,
Tag_CPU_unaligned_access,
Tag_undefined35,
- Tag_VFP_HP_extension,
+ Tag_FP_HP_extension,
Tag_undefined37,
Tag_ABI_FP_16bit_format,
Tag_undefined39,
Tag_MPextension_use,
Tag_undefined_43,
Tag_DIV_use,
+ Tag_DSP_extension = 46,
Tag_nodefaults = 64,
Tag_also_compatible_with,
Tag_T2EE_use,
Tag_conformance,
Tag_Virtualization_use,
Tag_undefined69,
- Tag_MPextension_use_legacy
+ Tag_MPextension_use_legacy,
+
+ /* The following tags are legacy names for other tags. */
+ Tag_VFP_arch = Tag_FP_arch,
+ Tag_ABI_align8_needed = Tag_ABI_align_needed,
+ Tag_ABI_align8_preserved = Tag_ABI_align_preserved,
+ 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. */
#define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx."
#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab."
+enum arm_st_branch_type {
+ ST_BRANCH_TO_ARM,
+ ST_BRANCH_TO_THUMB,
+ ST_BRANCH_LONG,
+ ST_BRANCH_UNKNOWN,
+ ST_BRANCH_ENUM_SIZE
+};
+
+#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 */
projects / deliverable / binutils-gdb.git / blobdiff