/* Main header file for the bfd library -- portable access to object files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Cygnus Support.
#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
+#define BFD_SUPPORTS_PLUGINS @supports_plugins@
+
/* The word size used by BFD on the host. This may be 64 with a 32
bit target if the host is 64 bit, or if other 64 bit targets have
been selected with --enable-targets, or if --enable-64-bit-bfd. */
(((sec)->rawsize ? (sec)->rawsize : (sec)->size) \
/ bfd_octets_per_byte (bfd))
-/* Return TRUE if section has been discarded. */
+/* Return TRUE if input section SEC has been discarded. */
#define elf_discarded_section(sec) \
(!bfd_is_abs_section (sec) \
&& bfd_is_abs_section ((sec)->output_section) \
extern bfd_boolean bfd_elf_get_bfd_needed_list
(bfd *, struct bfd_link_needed_list **);
extern bfd_boolean bfd_elf_size_dynamic_sections
- (bfd *, const char *, const char *, const char *, const char * const *,
- struct bfd_link_info *, struct bfd_section **,
+ (bfd *, const char *, const char *, const char *, const char *, const char *,
+ const char * const *, struct bfd_link_info *, struct bfd_section **,
struct bfd_elf_version_tree *);
extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
(bfd *, struct bfd_link_info *);
extern void bfd_elf32_arm_set_vfp11_fix
(bfd *, struct bfd_link_info *);
+extern void bfd_elf32_arm_set_cortex_a8_fix
+ (bfd *, struct bfd_link_info *);
+
extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
(bfd *, struct bfd_link_info *);
void bfd_elf32_arm_set_target_relocs
(bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
- int, int, int);
+ int, int, int, int);
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
(bfd *, struct bfd_link_info *);
struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
extern bfd_boolean elf32_arm_build_stubs
(struct bfd_link_info *);
-
+
+/* ARM unwind section editing support. */
+extern bfd_boolean elf32_arm_fix_exidx_coverage
+(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
+
+/* PowerPC @tls opcode transform/validate. */
+extern unsigned int _bfd_elf_ppc_at_tls_transform
+ (unsigned int, unsigned int);
+/* PowerPC @tprel opcode transform/validate. */
+extern unsigned int _bfd_elf_ppc_at_tprel_transform
+ (unsigned int, unsigned int);
+
/* TI COFF load page support. */
extern void bfd_ticoff_set_section_load_page
(struct bfd_section *, int);
bfd *bfd_openstreamr (const char *, const char *, void *);
bfd *bfd_openr_iovec (const char *filename, const char *target,
- void *(*open) (struct bfd *nbfd,
+ void *(*open_func) (struct bfd *nbfd,
void *open_closure),
void *open_closure,
- file_ptr (*pread) (struct bfd *nbfd,
+ file_ptr (*pread_func) (struct bfd *nbfd,
void *stream,
void *buf,
file_ptr nbytes,
file_ptr offset),
- int (*close) (struct bfd *nbfd,
+ int (*close_func) (struct bfd *nbfd,
void *stream),
- int (*stat) (struct bfd *abfd,
+ int (*stat_func) (struct bfd *abfd,
void *stream,
struct stat *sb));
file_ptr bfd_get_size (bfd *abfd);
+void *bfd_mmap (bfd *abfd, void *addr, bfd_size_type len,
+ int prot, int flags, file_ptr offset);
+
/* Extracted from bfdwin.c. */
/* Extracted from section.c. */
typedef struct bfd_section
/* Bits used by various backends. The generic code doesn't touch
these fields. */
- /* Nonzero if this section has TLS related relocations. */
- unsigned int has_tls_reloc:1;
-
- /* Nonzero if this section has a call to __tls_get_addr. */
- unsigned int has_tls_get_addr_call:1;
-
- /* Nonzero if this section has a gp reloc. */
- unsigned int has_gp_reloc:1;
-
- /* Nonzero if this section needs the relax finalize pass. */
- unsigned int need_finalize_relax:1;
-
- /* Whether relocations have been processed. */
- unsigned int reloc_done : 1;
+ unsigned int sec_flg0:1;
+ unsigned int sec_flg1:1;
+ unsigned int sec_flg2:1;
+ unsigned int sec_flg3:1;
+ unsigned int sec_flg4:1;
+ unsigned int sec_flg5:1;
/* End of internal packed boolean fields. */
section size calculated on a previous linker relaxation pass. */
bfd_size_type rawsize;
+ /* Relaxation table. */
+ struct relax_table *relax;
+
+ /* Count of used relaxation table entries. */
+ int relax_count;
+
+
/* If this section is going to be output, then this value is the
offset in *bytes* into the output section of the first byte in the
input section (byte ==> smallest addressable unit on the
} map_head, map_tail;
} asection;
+/* Relax table contains information about instructions which can
+ be removed by relaxation -- replacing a long address with a
+ short address. */
+struct relax_table {
+ /* Address where bytes may be deleted. */
+ bfd_vma addr;
+
+ /* Number of bytes to be deleted. */
+ int size;
+};
+
/* These sections are global, and are managed by BFD. The application
and target back end are not permitted to change the values in
these sections. New code should use the section_ptr macros rather
/* name, id, index, next, prev, flags, user_set_vma, */ \
{ NAME, IDX, 0, NULL, NULL, FLAGS, 0, \
\
- /* linker_mark, linker_has_input, gc_mark, */ \
- 0, 0, 1, \
+ /* linker_mark, linker_has_input, gc_mark, segment_mark, */ \
+ 0, 0, 1, 0, \
\
- /* segment_mark, sec_info_type, use_rela_p, has_tls_reloc, */ \
- 0, 0, 0, 0, \
+ /* sec_info_type, use_rela_p, */ \
+ 0, 0, \
\
- /* has_tls_get_addr_call, has_gp_reloc, need_finalize_relax, */ \
- 0, 0, 0, \
+ /* sec_flg0, sec_flg1, sec_flg2, sec_flg3, sec_flg4, sec_flg5, */ \
+ 0, 0, 0, 0, 0, 0, \
\
- /* reloc_done, vma, lma, size, rawsize */ \
- 0, 0, 0, 0, 0, \
+ /* vma, lma, size, rawsize, relax, relax_count, */ \
+ 0, 0, 0, 0, 0, 0, \
\
/* output_offset, output_section, alignment_power, */ \
0, (struct bfd_section *) &SEC, 0, \
#define bfd_mach_i386_i386_intel_syntax 3
#define bfd_mach_x86_64 64
#define bfd_mach_x86_64_intel_syntax 65
+ bfd_arch_l1om, /* Intel L1OM */
+#define bfd_mach_l1om 66
+#define bfd_mach_l1om_intel_syntax 67
bfd_arch_we32k, /* AT&T WE32xxx */
bfd_arch_tahoe, /* CCI/Harris Tahoe */
bfd_arch_i860, /* Intel 860 */
#define bfd_mach_h8300sx 6
#define bfd_mach_h8300sxn 7
bfd_arch_pdp11, /* DEC PDP-11 */
+ bfd_arch_plugin,
bfd_arch_powerpc, /* PowerPC */
#define bfd_mach_ppc 32
#define bfd_mach_ppc64 64
#define bfd_mach_ppc_403 403
#define bfd_mach_ppc_403gc 4030
+#define bfd_mach_ppc_405 405
#define bfd_mach_ppc_505 505
#define bfd_mach_ppc_601 601
#define bfd_mach_ppc_602 602
#define bfd_mach_ppc_7400 7400
#define bfd_mach_ppc_e500 500
#define bfd_mach_ppc_e500mc 5001
+#define bfd_mach_ppc_e500mc64 5005
+#define bfd_mach_ppc_titan 83
bfd_arch_rs6000, /* IBM RS/6000 */
#define bfd_mach_rs6k 6000
#define bfd_mach_rs6k_rs1 6001
#define bfd_mach_tic3x 30
#define bfd_mach_tic4x 40
bfd_arch_tic54x, /* Texas Instruments TMS320C54X */
+ bfd_arch_tic6x, /* Texas Instruments TMS320C6X */
bfd_arch_tic80, /* TI TMS320c80 (MVP) */
bfd_arch_v850, /* NEC V850 */
#define bfd_mach_v850 1
#define bfd_mach_cris_v0_v10 255
#define bfd_mach_cris_v32 32
#define bfd_mach_cris_v10_v32 1032
+ bfd_arch_rx, /* Renesas RX. */
+#define bfd_mach_rx 0x75
bfd_arch_s390, /* IBM s390 */
#define bfd_mach_s390_31 31
#define bfd_mach_s390_64 64
#define bfd_mach_r800 11 /* R800: successor with multiplication. */
bfd_arch_lm32, /* Lattice Mico32 */
#define bfd_mach_lm32 1
+ bfd_arch_microblaze,/* Xilinx MicroBlaze. */
bfd_arch_last
};
when doing overflow checking. */
unsigned int bitsize;
- /* Notes that the relocation is relative to the location in the
- data section of the addend. The relocation function will
- subtract from the relocation value the address of the location
- being relocated. */
+ /* The relocation is relative to the field being relocated. */
bfd_boolean pc_relative;
/* The bit position of the reloc value in the destination.
BFD_RELOC_SPARC_GOTDATA_OP_HIX22,
BFD_RELOC_SPARC_GOTDATA_OP_LOX10,
BFD_RELOC_SPARC_GOTDATA_OP,
+ BFD_RELOC_SPARC_JMP_IREL,
+ BFD_RELOC_SPARC_IRELATIVE,
/* I think these are specific to SPARC a.out (e.g., Sun 4). */
BFD_RELOC_SPARC_BASE13,
BFD_RELOC_SPU_HI16,
BFD_RELOC_SPU_PPU32,
BFD_RELOC_SPU_PPU64,
+ BFD_RELOC_SPU_ADD_PIC,
/* Alpha ECOFF and ELF relocations. Some of these treat the symbol or
"addend" in some special way.
BFD_RELOC_MIPS_JUMP_SLOT,
+/* Moxie ELF relocations. */
+ BFD_RELOC_MOXIE_10_PCREL,
+
+
/* Fujitsu Frv Relocations. */
BFD_RELOC_FRV_LABEL16,
BFD_RELOC_FRV_LABEL24,
BFD_RELOC_386_TLS_GOTDESC,
BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_386_TLS_DESC,
+ BFD_RELOC_386_IRELATIVE,
/* x86-64/elf relocations */
BFD_RELOC_X86_64_GOT32,
BFD_RELOC_X86_64_GOTPC32_TLSDESC,
BFD_RELOC_X86_64_TLSDESC_CALL,
BFD_RELOC_X86_64_TLSDESC,
+ BFD_RELOC_X86_64_IRELATIVE,
/* ns32k relocations */
BFD_RELOC_NS32K_IMM_8,
BFD_RELOC_ARM_RELATIVE,
BFD_RELOC_ARM_GOTOFF,
BFD_RELOC_ARM_GOTPC,
+ BFD_RELOC_ARM_GOT_PREL,
/* ARM thread-local storage relocations. */
BFD_RELOC_ARM_TLS_GD32,
BFD_RELOC_SH_TLS_DTPMOD32,
BFD_RELOC_SH_TLS_DTPOFF32,
BFD_RELOC_SH_TLS_TPOFF32,
+ BFD_RELOC_SH_GOT20,
+ BFD_RELOC_SH_GOTOFF20,
+ BFD_RELOC_SH_GOTFUNCDESC,
+ BFD_RELOC_SH_GOTFUNCDESC20,
+ BFD_RELOC_SH_GOTOFFFUNCDESC,
+ BFD_RELOC_SH_GOTOFFFUNCDESC20,
+ BFD_RELOC_SH_FUNCDESC,
/* ARC Cores relocs.
ARC 22 bit pc-relative branch. The lowest two bits must be zero and are
the opcode. */
BFD_RELOC_TIC54X_MS7_OF_23,
+/* TMS320C6000 relocations. */
+ BFD_RELOC_C6000_PCR_S21,
+ BFD_RELOC_C6000_PCR_S12,
+ BFD_RELOC_C6000_PCR_S10,
+ BFD_RELOC_C6000_PCR_S7,
+ BFD_RELOC_C6000_ABS_S16,
+ BFD_RELOC_C6000_ABS_L16,
+ BFD_RELOC_C6000_ABS_H16,
+ BFD_RELOC_C6000_SBR_U15_B,
+ BFD_RELOC_C6000_SBR_U15_H,
+ BFD_RELOC_C6000_SBR_U15_W,
+ BFD_RELOC_C6000_SBR_S16,
+ BFD_RELOC_C6000_SBR_L16_B,
+ BFD_RELOC_C6000_SBR_L16_H,
+ BFD_RELOC_C6000_SBR_L16_W,
+ BFD_RELOC_C6000_SBR_H16_B,
+ BFD_RELOC_C6000_SBR_H16_H,
+ BFD_RELOC_C6000_SBR_H16_W,
+ BFD_RELOC_C6000_SBR_GOT_U15_W,
+ BFD_RELOC_C6000_SBR_GOT_L16_W,
+ BFD_RELOC_C6000_SBR_GOT_H16_W,
+ BFD_RELOC_C6000_DSBT_INDEX,
+ BFD_RELOC_C6000_PREL31,
+ BFD_RELOC_C6000_COPY,
+ BFD_RELOC_C6000_ALIGN,
+ BFD_RELOC_C6000_FPHEAD,
+ BFD_RELOC_C6000_NOCMP,
+
/* This is a 48 bit reloc for the FR30 that stores 32 bits. */
BFD_RELOC_FR30_48,
instructions */
BFD_RELOC_AVR_6_ADIW,
+/* Renesas RX Relocations. */
+ BFD_RELOC_RX_NEG8,
+ BFD_RELOC_RX_NEG16,
+ BFD_RELOC_RX_NEG24,
+ BFD_RELOC_RX_NEG32,
+ BFD_RELOC_RX_16_OP,
+ BFD_RELOC_RX_24_OP,
+ BFD_RELOC_RX_32_OP,
+ BFD_RELOC_RX_8U,
+ BFD_RELOC_RX_16U,
+ BFD_RELOC_RX_24U,
+ BFD_RELOC_RX_DIR3U_PCREL,
+ BFD_RELOC_RX_DIFF,
+ BFD_RELOC_RX_GPRELB,
+ BFD_RELOC_RX_GPRELW,
+ BFD_RELOC_RX_GPRELL,
+ BFD_RELOC_RX_SYM,
+ BFD_RELOC_RX_OP_SUBTRACT,
+ BFD_RELOC_RX_ABS8,
+ BFD_RELOC_RX_ABS16,
+ BFD_RELOC_RX_ABS32,
+ BFD_RELOC_RX_ABS16U,
+ BFD_RELOC_RX_ABS16UW,
+ BFD_RELOC_RX_ABS16UL,
+ BFD_RELOC_RX_RELAX,
+
/* Direct 12 bit. */
BFD_RELOC_390_12,
BFD_RELOC_LM32_GLOB_DAT,
BFD_RELOC_LM32_JMP_SLOT,
BFD_RELOC_LM32_RELATIVE,
+
+/* Difference between two section addreses. Must be followed by a
+BFD_RELOC_MACH_O_PAIR. */
+ BFD_RELOC_MACH_O_SECTDIFF,
+
+/* Pair of relocation. Contains the first symbol. */
+ BFD_RELOC_MACH_O_PAIR,
+
+/* PCREL relocations. They are marked as branch to create PLT entry if
+required. */
+ BFD_RELOC_MACH_O_X86_64_BRANCH32,
+ BFD_RELOC_MACH_O_X86_64_BRANCH8,
+
+/* Used when referencing a GOT entry. */
+ BFD_RELOC_MACH_O_X86_64_GOT,
+
+/* Used when loading a GOT entry with movq. It is specially marked so that
+the linker could optimize the movq to a leaq if possible. */
+ BFD_RELOC_MACH_O_X86_64_GOT_LOAD,
+
+/* Symbol will be substracted. Must be followed by a BFD_RELOC_64. */
+ BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32,
+
+/* Symbol will be substracted. Must be followed by a BFD_RELOC_64. */
+ BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64,
+
+/* Same as BFD_RELOC_32_PCREL but with an implicit -1 addend. */
+ BFD_RELOC_MACH_O_X86_64_PCREL32_1,
+
+/* Same as BFD_RELOC_32_PCREL but with an implicit -2 addend. */
+ BFD_RELOC_MACH_O_X86_64_PCREL32_2,
+
+/* Same as BFD_RELOC_32_PCREL but with an implicit -4 addend. */
+ BFD_RELOC_MACH_O_X86_64_PCREL32_4,
+
+/* This is a 32 bit reloc for the microblaze that stores the
+low 16 bits of a value */
+ BFD_RELOC_MICROBLAZE_32_LO,
+
+/* This is a 32 bit pc-relative reloc for the microblaze that
+stores the low 16 bits of a value */
+ BFD_RELOC_MICROBLAZE_32_LO_PCREL,
+
+/* This is a 32 bit reloc for the microblaze that stores a
+value relative to the read-only small data area anchor */
+ BFD_RELOC_MICROBLAZE_32_ROSDA,
+
+/* This is a 32 bit reloc for the microblaze that stores a
+value relative to the read-write small data area anchor */
+ BFD_RELOC_MICROBLAZE_32_RWSDA,
+
+/* This is a 32 bit reloc for the microblaze to handle
+expressions of the form "Symbol Op Symbol" */
+ BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM,
+
+/* This is a 64 bit reloc that stores the 32 bit pc relative
+value in two words (with an imm instruction). No relocation is
+done here - only used for relaxing */
+ BFD_RELOC_MICROBLAZE_64_NONE,
+
+/* This is a 64 bit reloc that stores the 32 bit pc relative
+value in two words (with an imm instruction). The relocation is
+PC-relative GOT offset */
+ BFD_RELOC_MICROBLAZE_64_GOTPC,
+
+/* This is a 64 bit reloc that stores the 32 bit pc relative
+value in two words (with an imm instruction). The relocation is
+GOT offset */
+ BFD_RELOC_MICROBLAZE_64_GOT,
+
+/* This is a 64 bit reloc that stores the 32 bit pc relative
+value in two words (with an imm instruction). The relocation is
+PC-relative offset into PLT */
+ BFD_RELOC_MICROBLAZE_64_PLT,
+
+/* This is a 64 bit reloc that stores the 32 bit GOT relative
+value in two words (with an imm instruction). The relocation is
+relative offset from _GLOBAL_OFFSET_TABLE_ */
+ BFD_RELOC_MICROBLAZE_64_GOTOFF,
+
+/* This is a 32 bit reloc that stores the 32 bit GOT relative
+value in a word. The relocation is relative offset from */
+ BFD_RELOC_MICROBLAZE_32_GOTOFF,
+
+/* This is used to tell the dynamic linker to copy the value out of
+the dynamic object into the runtime process image. */
+ BFD_RELOC_MICROBLAZE_COPY,
BFD_RELOC_UNUSED };
typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
reloc_howto_type *bfd_reloc_type_lookup
calling the function that it points to. BSF_FUNCTION must
also be also set. */
#define BSF_GNU_INDIRECT_FUNCTION (1 << 22)
+ /* This symbol is a globally unique data object. The dynamic linker
+ will make sure that in the entire process there is just one symbol
+ with this name and type in use. BSF_OBJECT must also be set. */
+#define BSF_GNU_UNIQUE (1 << 23)
flagword flags;
(ibfd, isymbol, obfd, osymbol))
/* Extracted from bfd.c. */
+enum bfd_direction
+ {
+ no_direction = 0,
+ read_direction = 1,
+ write_direction = 2,
+ both_direction = 3
+ };
+
struct bfd
{
/* A unique identifier of the BFD */
bfd_format format;
/* The direction with which the BFD was opened. */
- enum bfd_direction
- {
- no_direction = 0,
- read_direction = 1,
- write_direction = 2,
- both_direction = 3
- }
- direction;
+ enum bfd_direction direction;
/* Format_specific flags. */
flagword flags;
struct netbsd_core_struct *netbsd_core_data;
struct mach_o_data_struct *mach_o_data;
struct mach_o_fat_data_struct *mach_o_fat_data;
+ struct plugin_data_struct *plugin_data;
struct bfd_pef_data_struct *pef_data;
struct bfd_pef_xlib_data_struct *pef_xlib_data;
struct bfd_sym_data_struct *sym_data;
/* Set if this is a thin archive. */
unsigned int is_thin_archive : 1;
+
+ /* Set if only required symbols should be added in the link hash table for
+ this object. Used by VMS linkers. */
+ unsigned int selective_search : 1;
};
typedef enum bfd_error
NAME##_truncate_arname, \
NAME##_write_armap, \
NAME##_read_ar_hdr, \
+ NAME##_write_ar_hdr, \
NAME##_openr_next_archived_file, \
NAME##_get_elt_at_index, \
NAME##_generic_stat_arch_elt, \
bfd_boolean (*write_armap)
(bfd *, unsigned int, struct orl *, unsigned int, int);
void * (*_bfd_read_ar_hdr_fn) (bfd *);
+ bfd_boolean (*_bfd_write_ar_hdr_fn) (bfd *, bfd *);
bfd * (*openr_next_archived_file) (bfd *, bfd *);
#define bfd_get_elt_at_index(b,i) BFD_SEND (b, _bfd_get_elt_at_index, (b,i))
bfd * (*_bfd_get_elt_at_index) (bfd *, symindex);
NAME##_bfd_link_hash_table_free, \
NAME##_bfd_link_add_symbols, \
NAME##_bfd_link_just_syms, \
+ NAME##_bfd_copy_link_hash_symbol_type, \
NAME##_bfd_final_link, \
NAME##_bfd_link_split_section, \
NAME##_bfd_gc_sections, \
/* Indicate that we are only retrieving symbol values from this section. */
void (*_bfd_link_just_syms) (asection *, struct bfd_link_info *);
+ /* Copy the symbol type of a linker hash table entry. */
+#define bfd_copy_link_hash_symbol_type(b, t, f) \
+ BFD_SEND (b, _bfd_copy_link_hash_symbol_type, (b, t, f))
+ void (*_bfd_copy_link_hash_symbol_type)
+ (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
+
/* Do a link based on the link_order structures attached to each
section of the BFD. */
bfd_boolean (*_bfd_final_link) (bfd *, struct bfd_link_info *);
const bfd_target *bfd_find_target (const char *target_name, bfd *abfd);
+const bfd_target *bfd_get_target_info (const char *target_name,
+ bfd *abfd,
+ bfd_boolean *is_bigendian,
+ int *underscoring,
+ const char **def_target_arch);
const char ** bfd_target_list (void);
const bfd_target *bfd_search_for_target
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