/* ARM ELF support for BFD.
- Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _ELF_ARM_H
#define _ELF_ARM_H
#define EF_ARM_VFP_FLOAT 0x400
#define EF_ARM_MAVERICK_FLOAT 0x800
+/* Frame unwind information */
+#define PT_ARM_EXIDX (PT_LOPROC + 1)
+
/* Other constants defined in the ARM ELF spec. version B-01. */
#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */
#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */
/* Additional section types. */
#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */
+#define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */
+#define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */
/* ARM-specific values for sh_flags. */
#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
/* Relocation types. */
START_RELOC_NUMBERS (elf_arm_reloc_type)
- RELOC_NUMBER (R_ARM_NONE, 0)
- RELOC_NUMBER (R_ARM_PC24, 1)
- RELOC_NUMBER (R_ARM_ABS32, 2)
- RELOC_NUMBER (R_ARM_REL32, 3)
-#ifdef OLD_ARM_ABI
- RELOC_NUMBER (R_ARM_ABS8, 4)
- RELOC_NUMBER (R_ARM_ABS16, 5)
- RELOC_NUMBER (R_ARM_ABS12, 6)
- RELOC_NUMBER (R_ARM_THM_ABS5, 7)
- RELOC_NUMBER (R_ARM_THM_PC22, 8)
- RELOC_NUMBER (R_ARM_SBREL32, 9)
- RELOC_NUMBER (R_ARM_AMP_VCALL9, 10)
- RELOC_NUMBER (R_ARM_THM_PC11, 11) /* Cygnus extension to abi: Thumb unconditional branch. */
- RELOC_NUMBER (R_ARM_THM_PC9, 12) /* Cygnus extension to abi: Thumb conditional branch. */
- RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 13)
- RELOC_NUMBER (R_ARM_GNU_VTENTRY, 14)
-#else /* not OLD_ARM_ABI */
- RELOC_NUMBER (R_ARM_PC13, 4)
- RELOC_NUMBER (R_ARM_ABS16, 5)
- RELOC_NUMBER (R_ARM_ABS12, 6)
- RELOC_NUMBER (R_ARM_THM_ABS5, 7)
- RELOC_NUMBER (R_ARM_ABS8, 8)
- RELOC_NUMBER (R_ARM_SBREL32, 9)
- RELOC_NUMBER (R_ARM_THM_PC22, 10)
- RELOC_NUMBER (R_ARM_THM_PC8, 11)
- RELOC_NUMBER (R_ARM_AMP_VCALL9, 12)
- RELOC_NUMBER (R_ARM_SWI24, 13)
- RELOC_NUMBER (R_ARM_THM_SWI8, 14)
- RELOC_NUMBER (R_ARM_XPC25, 15)
- RELOC_NUMBER (R_ARM_THM_XPC22, 16)
-#endif /* not OLD_ARM_ABI */
- RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */
- RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */
- RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */
- RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */
- RELOC_NUMBER (R_ARM_GOTOFF, 24) /* 32 bit offset to GOT. */
- RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT. */
- RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry. */
- RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address. */
-#ifdef OLD_ARM_ABI
- FAKE_RELOC (FIRST_INVALID_RELOC, 28)
- FAKE_RELOC (LAST_INVALID_RELOC, 249)
-#else /* not OLD_ARM_ABI */
- RELOC_NUMBER (R_ARM_CALL, 28)
- RELOC_NUMBER (R_ARM_JUMP24, 29)
- FAKE_RELOC (FIRST_INVALID_RELOC1, 30)
- FAKE_RELOC (LAST_INVALID_RELOC1, 31)
- RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32)
- RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33)
- RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34)
- RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35)
- RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36)
- RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37)
- RELOC_NUMBER (R_ARM_TARGET1, 38)
- RELOC_NUMBER (R_ARM_ROSEGREL32, 39)
- RELOC_NUMBER (R_ARM_V4BX, 40)
- RELOC_NUMBER (R_ARM_TARGET2, 41)
- RELOC_NUMBER (R_ARM_PREL31, 42)
- FAKE_RELOC (FIRST_INVALID_RELOC2, 43)
- FAKE_RELOC (LAST_INVALID_RELOC2, 94)
- RELOC_NUMBER (R_ARM_GOT_ABS, 95)
- RELOC_NUMBER (R_ARM_GOT_PREL, 96)
- RELOC_NUMBER (R_ARM_GOT_BREL12, 97)
- RELOC_NUMBER (R_ARM_GOTOFF12, 98)
- RELOC_NUMBER (R_ARM_GOTRELAX, 99)
- RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100)
- RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101)
- RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */
- RELOC_NUMBER (R_ARM_THM_PC9, 103) /* Cygnus extension to abi: Thumb conditional branch. */
- FAKE_RELOC (FIRST_INVALID_RELOC3, 104)
- FAKE_RELOC (LAST_INVALID_RELOC3, 248)
- RELOC_NUMBER (R_ARM_RXPC25, 249)
-#endif /* not OLD_ARM_ABI */
- RELOC_NUMBER (R_ARM_RSBREL32, 250)
- RELOC_NUMBER (R_ARM_THM_RPC22, 251)
- RELOC_NUMBER (R_ARM_RREL32, 252)
- RELOC_NUMBER (R_ARM_RABS32, 253)
- RELOC_NUMBER (R_ARM_RPC24, 254)
- RELOC_NUMBER (R_ARM_RBASE, 255)
+/* AAELF official names and numbers. */
+ RELOC_NUMBER (R_ARM_NONE, 0)
+ RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */
+ RELOC_NUMBER (R_ARM_ABS32, 2)
+ RELOC_NUMBER (R_ARM_REL32, 3)
+ RELOC_NUMBER (R_ARM_LDR_PC_G0, 4)
+ RELOC_NUMBER (R_ARM_ABS16, 5)
+ RELOC_NUMBER (R_ARM_ABS12, 6)
+ RELOC_NUMBER (R_ARM_THM_ABS5, 7)
+ RELOC_NUMBER (R_ARM_ABS8, 8)
+ RELOC_NUMBER (R_ARM_SBREL32, 9)
+ 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_THM_SWI8, 14) /* obsolete */
+ RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */
+ RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */
+ RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17)
+ RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18)
+ RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19)
+ RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */
+ RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */
+ RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */
+ RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */
+ RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */
+ RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */
+ RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */
+ RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */
+ RELOC_NUMBER (R_ARM_CALL, 28)
+ RELOC_NUMBER (R_ARM_JUMP24, 29)
+ RELOC_NUMBER (R_ARM_THM_JUMP24, 30)
+ RELOC_NUMBER (R_ARM_BASE_ABS, 31)
+ RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */
+ RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */
+ RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */
+ RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */
+ RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */
+ RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */
+ RELOC_NUMBER (R_ARM_TARGET1, 38)
+ RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */
+ RELOC_NUMBER (R_ARM_V4BX, 40)
+ RELOC_NUMBER (R_ARM_TARGET2, 41)
+ RELOC_NUMBER (R_ARM_PREL31, 42)
+ RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43)
+ RELOC_NUMBER (R_ARM_MOVT_ABS, 44)
+ RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45)
+ RELOC_NUMBER (R_ARM_MOVT_PREL, 46)
+ RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47)
+ RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48)
+ RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49)
+ RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50)
+ RELOC_NUMBER (R_ARM_THM_JUMP19, 51)
+ RELOC_NUMBER (R_ARM_THM_JUMP6, 52)
+ RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53)
+ RELOC_NUMBER (R_ARM_THM_PC12, 54)
+ RELOC_NUMBER (R_ARM_ABS32_NOI, 55)
+ RELOC_NUMBER (R_ARM_REL32_NOI, 56)
+ RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57)
+ RELOC_NUMBER (R_ARM_ALU_PC_G0, 58)
+ RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59)
+ RELOC_NUMBER (R_ARM_ALU_PC_G1, 60)
+ RELOC_NUMBER (R_ARM_ALU_PC_G2, 61)
+ RELOC_NUMBER (R_ARM_LDR_PC_G1, 62)
+ RELOC_NUMBER (R_ARM_LDR_PC_G2, 63)
+ RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64)
+ RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65)
+ RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66)
+ RELOC_NUMBER (R_ARM_LDC_PC_G0, 67)
+ RELOC_NUMBER (R_ARM_LDC_PC_G1, 68)
+ RELOC_NUMBER (R_ARM_LDC_PC_G2, 69)
+ RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70)
+ RELOC_NUMBER (R_ARM_ALU_SB_G0, 71)
+ RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72)
+ RELOC_NUMBER (R_ARM_ALU_SB_G1, 73)
+ RELOC_NUMBER (R_ARM_ALU_SB_G2, 74)
+ RELOC_NUMBER (R_ARM_LDR_SB_G0, 75)
+ RELOC_NUMBER (R_ARM_LDR_SB_G1, 76)
+ RELOC_NUMBER (R_ARM_LDR_SB_G2, 77)
+ RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78)
+ RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79)
+ RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80)
+ RELOC_NUMBER (R_ARM_LDC_G0, 81)
+ RELOC_NUMBER (R_ARM_LDC_G1, 82)
+ RELOC_NUMBER (R_ARM_LDC_G2, 83)
+ RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84)
+ RELOC_NUMBER (R_ARM_MOVT_BREL, 85)
+ RELOC_NUMBER (R_ARM_MOVW_BREL, 86)
+ 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_PLT32_ABS, 94)
+ RELOC_NUMBER (R_ARM_GOT_ABS, 95)
+ RELOC_NUMBER (R_ARM_GOT_PREL, 96)
+ RELOC_NUMBER (R_ARM_GOT_BREL12, 97)
+ RELOC_NUMBER (R_ARM_GOTOFF12, 98)
+ RELOC_NUMBER (R_ARM_GOTRELAX, 99)
+ RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */
+ RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */
+ RELOC_NUMBER (R_ARM_THM_JUMP11, 102)
+ RELOC_NUMBER (R_ARM_THM_JUMP8, 103)
+ RELOC_NUMBER (R_ARM_TLS_GD32, 104)
+ RELOC_NUMBER (R_ARM_TLS_LDM32, 105)
+ RELOC_NUMBER (R_ARM_TLS_LDO32, 106)
+ RELOC_NUMBER (R_ARM_TLS_IE32, 107)
+ RELOC_NUMBER (R_ARM_TLS_LE32, 108)
+ RELOC_NUMBER (R_ARM_TLS_LDO12, 109)
+ RELOC_NUMBER (R_ARM_TLS_LE12, 110)
+ RELOC_NUMBER (R_ARM_TLS_IE12GP, 111)
+ /* 112 - 127 private range */
+ RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */
+
+ /* Extensions? R=read-only? */
+ RELOC_NUMBER (R_ARM_RXPC25, 249)
+ RELOC_NUMBER (R_ARM_RSBREL32, 250)
+ RELOC_NUMBER (R_ARM_THM_RPC22, 251)
+ RELOC_NUMBER (R_ARM_RREL32, 252)
+ RELOC_NUMBER (R_ARM_RABS32, 253)
+ RELOC_NUMBER (R_ARM_RPC24, 254)
+ RELOC_NUMBER (R_ARM_RBASE, 255)
+
+ /* Unofficial names for some of the relocs. */
+ FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */
+ FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL)
+ FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11)
+ FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8)
+
+ /* Relocs with both a different name, and (apparently) different meaning in
+ GNU usage. */
+ FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */
+ FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */
+ FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */
+ FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */
+ FAKE_RELOC (R_ARM_PC13, R_ARM_LDR_PC_G0) /* Unclear whether meaning is different. */
END_RELOC_NUMBERS (R_ARM_max)
+#ifdef BFD_ARCH_SIZE
+/* Routines for manipulating EABI object attributes. */
+void elf32_arm_add_eabi_attr_int (bfd *, int, unsigned int);
+void elf32_arm_add_eabi_attr_string (bfd *, int, const char *);
+void elf32_arm_add_eabi_attr_compat (bfd *, unsigned int, const char *);
+
+void elf32_arm_set_eabi_attr_contents (bfd *, bfd_byte *, bfd_vma);
+bfd_vma elf32_arm_eabi_attr_size (bfd *);
+
+enum
+{
+ Tag_NULL,
+ Tag_File,
+ Tag_Section,
+ Tag_Symbol,
+ Tag_CPU_raw_name,
+ Tag_CPU_name,
+ Tag_CPU_arch,
+ Tag_CPU_arch_profile,
+ Tag_ARM_ISA_use,
+ Tag_THUMB_ISA_use,
+ Tag_VFP_arch,
+ Tag_WMMX_arch,
+ Tag_NEON_arch,
+ Tag_PCS_config,
+ Tag_ABI_PCS_R9_use,
+ Tag_ABI_PCS_RW_data,
+ Tag_ABI_PCS_RO_data,
+ Tag_ABI_PCS_GOT_use,
+ Tag_ABI_PCS_wchar_t,
+ Tag_ABI_FP_rounding,
+ Tag_ABI_FP_denormal,
+ Tag_ABI_FP_exceptions,
+ Tag_ABI_FP_user_exceptions,
+ Tag_ABI_FP_number_model,
+ Tag_ABI_align8_needed,
+ Tag_ABI_align8_preserved,
+ Tag_ABI_enum_size,
+ Tag_ABI_HardFP_use,
+ Tag_ABI_VFP_args,
+ Tag_ABI_WMMX_args,
+ Tag_ABI_optimization_goals,
+ Tag_ABI_FP_optimization_goals,
+ Tag_compatibility,
+};
+
+#endif
+
/* The name of the note section used to identify arm variants. */
#define ARM_NOTE_SECTION ".note.gnu.arm.ident"
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