/* 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
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. */
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 *);
/* XCOFF support routines for the linker. */
+extern bfd_boolean bfd_xcoff_split_import_path
+ (bfd *, const char *, const char **, const char **);
+extern bfd_boolean bfd_xcoff_set_archive_import_path
+ (struct bfd_link_info *, bfd *, const char *);
extern bfd_boolean bfd_xcoff_link_record_set
(bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
extern bfd_boolean bfd_xcoff_import_symbol
extern bfd_boolean bfd_xcoff_size_dynamic_sections
(bfd *, struct bfd_link_info *, const char *, const char *,
unsigned long, unsigned long, unsigned long, bfd_boolean,
- int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean);
+ int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
extern bfd_boolean bfd_xcoff_link_generate_rtinit
(bfd *, const char *, const char *, bfd_boolean);
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 *);
+
/* TI COFF load page support. */
extern void bfd_ticoff_set_section_load_page
(struct bfd_section *, int);
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
TMS320C54X only. */
#define SEC_TIC54X_CLINK 0x20000000
+ /* Indicate that section has the no read flag set. This happens
+ when memory read flag isn't set. */
+#define SEC_COFF_NOREAD 0x40000000
+
/* End of section flags. */
/* Some 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
/* has_tls_get_addr_call, has_gp_reloc, need_finalize_relax, */ \
0, 0, 0, \
\
- /* reloc_done, vma, lma, size, rawsize */ \
- 0, 0, 0, 0, 0, \
+ /* reloc_done, vma, lma, size, rawsize, relax, relax_count, */ \
+ 0, 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_frvtomcat 499 /* fr500 prototype */
#define bfd_mach_fr500 500
#define bfd_mach_fr550 550
+ bfd_arch_moxie, /* The moxie processor */
+#define bfd_mach_moxie 1
bfd_arch_mcore,
bfd_arch_mep,
#define bfd_mach_mep 1
#define bfd_mach_mep_h1 0x6831
+#define bfd_mach_mep_c5 0x6335
bfd_arch_ia64, /* HP/Intel ia64 */
#define bfd_mach_ia64_elf64 64
#define bfd_mach_ia64_elf32 32
#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
};
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,
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,
+
+/* Mach-O generic relocations. */
+ BFD_RELOC_MACH_O_PAIR,
+
+/* 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
/* This symbol was created by bfd_get_synthetic_symtab. */
#define BSF_SYNTHETIC (1 << 21)
+ /* This symbol is an indirect code object. Unrelated to BSF_INDIRECT.
+ The dynamic linker will compute the value of this symbol by
+ 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;
/* A pointer to the section to which this symbol is
(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 ieee_data_struct *ieee_data;
struct ieee_ar_data_struct *ieee_ar_data;
struct srec_data_struct *srec_data;
+ struct verilog_data_struct *verilog_data;
struct ihex_data_struct *ihex_data;
struct tekhex_data_struct *tekhex_data;
struct elf_obj_tdata *elf_obj_data;
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;
bfd_target_oasys_flavour,
bfd_target_tekhex_flavour,
bfd_target_srec_flavour,
+ bfd_target_verilog_flavour,
bfd_target_ihex_flavour,
bfd_target_som_flavour,
bfd_target_os9k_flavour,
NAME##_bfd_merge_sections, \
NAME##_bfd_is_group_section, \
NAME##_bfd_discard_group, \
- NAME##_section_already_linked \
+ NAME##_section_already_linked, \
+ NAME##_bfd_define_common_symbol
int (*_bfd_sizeof_headers) (bfd *, struct bfd_link_info *);
bfd_byte * (*_bfd_get_relocated_section_contents)
void (*_section_already_linked) (bfd *, struct bfd_section *,
struct bfd_link_info *);
+ /* Define a common symbol. */
+ bfd_boolean (*_bfd_define_common_symbol) (bfd *, struct bfd_link_info *,
+ struct bfd_link_hash_entry *);
+
/* Routines to handle dynamic symbols and relocs. */
#define BFD_JUMP_TABLE_DYNAMIC(NAME) \
NAME##_get_dynamic_symtab_upper_bound, \
#define bfd_section_already_linked(abfd, sec, info) \
BFD_SEND (abfd, _section_already_linked, (abfd, sec, info))
+bfd_boolean bfd_generic_define_common_symbol
+ (bfd *output_bfd, struct bfd_link_info *info,
+ struct bfd_link_hash_entry *h);
+
+#define bfd_define_common_symbol(output_bfd, info, h) \
+ BFD_SEND (output_bfd, _bfd_define_common_symbol, (output_bfd, info, h))
+
+struct bfd_elf_version_tree * bfd_find_version_for_sym
+ (struct bfd_elf_version_tree *verdefs,
+ const char *sym_name, bfd_boolean *hide);
+
/* Extracted from simple.c. */
bfd_byte *bfd_simple_get_relocated_section_contents
(bfd *abfd, asection *sec, bfd_byte *outbuf, asymbol **symbol_table);