/* ARM ELF support for BFD.
- Copyright (C) 1998, 1999, 2000 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
-
-/* Other constants defined in the ARM ELF spec. version A-08. */
+#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 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. */
FAKE_RELOC (FIRST_INVALID_RELOC, 28)
FAKE_RELOC (LAST_INVALID_RELOC, 249)
#else /* not OLD_ARM_ABI */
- FAKE_RELOC (FIRST_INVALID_RELOC1, 28)
- FAKE_RELOC (LAST_INVALID_RELOC1, 99)
+ 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_RELOC2, 104)
- FAKE_RELOC (LAST_INVALID_RELOC2, 248)
+ 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_RABS32, 253)
RELOC_NUMBER (R_ARM_RPC24, 254)
RELOC_NUMBER (R_ARM_RBASE, 255)
-END_RELOC_NUMBERS
+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 */