/* ARM ELF support for BFD.
- Copyright (C) 1998, 1999 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.
/* Processor specific flags for the ELF header e_flags field. */
#define EF_ARM_RELEXEC 0x01
#define EF_ARM_HASENTRY 0x02
-#define EF_INTERWORK 0x04
-#define EF_APCS_26 0x08
-#define EF_APCS_FLOAT 0x10
-#define EF_PIC 0x20
-#define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */
-#define EF_NEW_ABI 0x80
-#define EF_OLD_ABI 0x100
-#define EF_SOFT_FLOAT 0x200
+#define EF_ARM_INTERWORK 0x04
+#define EF_ARM_APCS_26 0x08
+#define EF_ARM_APCS_FLOAT 0x10
+#define EF_ARM_PIC 0x20
+#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */
+#define EF_ARM_NEW_ABI 0x80
+#define EF_ARM_OLD_ABI 0x100
+#define EF_ARM_SOFT_FLOAT 0x200
+#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 */
+#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */
+#define EF_ARM_EABIMASK 0xFF000000
+
+/* Constants defined in AAELF. */
+#define EF_ARM_BE8 0x00800000
+#define EF_ARM_LE8 0x00400000
+
+#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
+#define EF_ARM_EABI_UNKNOWN 0x00000000
+#define EF_ARM_EABI_VER1 0x01000000
+#define EF_ARM_EABI_VER2 0x02000000
+#define EF_ARM_EABI_VER3 0x03000000
+#define EF_ARM_EABI_VER4 0x04000000
/* Local aliases for some flags to match names used by COFF port. */
-#define F_INTERWORK EF_INTERWORK
-#define F_APCS26 EF_APCS_26
-#define F_APCS_FLOAT EF_APCS_FLOAT
-#define F_PIC EF_PIC
-#define F_SOFT_FLOAT EF_SOFT_FLOAT
+#define F_INTERWORK EF_ARM_INTERWORK
+#define F_APCS26 EF_ARM_APCS_26
+#define F_APCS_FLOAT EF_ARM_APCS_FLOAT
+#define F_PIC EF_ARM_PIC
+#define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT
+#define F_VFP_FLOAT EF_ARM_VFP_FLOAT
+
+/* Additional symbol types for Thumb. */
+#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */
+#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */
-/* Additional symbol types for Thumb */
-#define STT_ARM_TFUNC 0xd
+/* Additional section types. */
+#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */
-/* ARM-specific values for sh_flags */
-#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point */
-#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step */
+/* ARM-specific values for sh_flags. */
+#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
+#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */
-/* ARM-specific program header flags */
-#define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base */
+/* ARM-specific program header flags. */
+#define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */
+#define PF_ARM_PI 0x20000000 /* Segment is position-independent. */
+#define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */
/* 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)
- 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)
- 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 */
- FAKE_RELOC (FIRST_INVALID_RELOC1, 28)
- FAKE_RELOC (LAST_INVALID_RELOC1, 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_RELOC2, 104)
- FAKE_RELOC (LAST_INVALID_RELOC2, 248)
- 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)
-END_RELOC_NUMBERS
-
-#endif
+ 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)
+END_RELOC_NUMBERS (R_ARM_max)
+
+/* The name of the note section used to identify arm variants. */
+#define ARM_NOTE_SECTION ".note.gnu.arm.ident"
+
+/* Special section names. */
+#define ELF_STRING_ARM_unwind ".ARM.exidx"
+#define ELF_STRING_ARM_unwind_info ".ARM.extab"
+#define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx."
+#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab."
+
+#endif /* _ELF_ARM_H */
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