X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Felf%2Farm.h;h=158f7b1652ce4da5a473634c105907159947bfc3;hb=188fd7aea619d9f66a822bad881d8f56892b60aa;hp=0a5c87d58b416877c4b828ebb677ef0adc73c345;hpb=75375b3e00c282a6461d1a3df83582f624b18377;p=deliverable%2Fbinutils-gdb.git diff --git a/include/elf/arm.h b/include/elf/arm.h index 0a5c87d58b..158f7b1652 100644 --- 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) 1998-2018 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -25,7 +24,6 @@ /* 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 @@ -46,6 +44,11 @@ #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 @@ -79,6 +82,7 @@ /* 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 +105,11 @@ #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) @@ -123,7 +131,7 @@ START_RELOC_NUMBERS (elf_arm_reloc_type) 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 */ @@ -200,7 +208,10 @@ START_RELOC_NUMBERS (elf_arm_reloc_type) 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) @@ -221,6 +232,18 @@ START_RELOC_NUMBERS (elf_arm_reloc_type) 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) + 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) /* Extensions? R=read-only? */ RELOC_NUMBER (R_ARM_RXPC25, 249) @@ -293,6 +316,7 @@ enum Tag_MPextension_use, Tag_undefined_43, Tag_DIV_use, + Tag_DSP_extension = 46, Tag_nodefaults = 64, Tag_also_compatible_with, Tag_T2EE_use, @@ -308,6 +332,23 @@ 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. */ @@ -319,4 +360,40 @@ enum #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 */