/* BFD back-end data structures for ELF files.
Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Free Software Foundation, Inc.
Written by Cygnus Support.
FIXME: There is no real need for this field if def_dynamic is never
cleared and all places that test def_dynamic also test def_regular. */
unsigned int dynamic_def : 1;
- /* Symbol is weak in all shared objects. */
- unsigned int dynamic_weak : 1;
+ /* Symbol has a non-weak reference from a shared object. */
+ unsigned int ref_dynamic_nonweak : 1;
/* Symbol is referenced with a relocation where C/C++ pointer equality
matters. */
unsigned int pointer_equality_needed : 1;
one line. */
enum elf_target_id
{
- ALPHA_ELF_DATA = 1,
+ AARCH64_ELF_DATA = 1,
+ ALPHA_ELF_DATA,
ARM_ELF_DATA,
AVR_ELF_DATA,
BFIN_ELF_DATA,
M32R_ELF_DATA,
M68HC11_ELF_DATA,
M68K_ELF_DATA,
+ METAG_ELF_DATA,
MICROBLAZE_ELF_DATA,
MIPS_ELF_DATA,
MN10300_ELF_DATA,
+ NIOS2_ELF_DATA,
PPC32_ELF_DATA,
PPC64_ELF_DATA,
S390_ELF_DATA,
/* The _PROCEDURE_LINKAGE_TABLE_ symbol. */
struct elf_link_hash_entry *hplt;
+ /* The _DYNAMIC symbol. */
+ struct elf_link_hash_entry *hdynamic;
+
/* A pointer to information used to merge SEC_MERGE sections. */
void *merge_info;
see elf.c, elfcode.h. */
bfd *(*elf_backend_bfd_from_remote_memory)
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
+ int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr,
+ bfd_size_type len));
/* This function is used by `_bfd_elf_get_synthetic_symtab';
see elf.c. */
/* Return TRUE if type is a function symbol type. */
bfd_boolean (*is_function_type) (unsigned int type);
- /* Return TRUE if symbol may be a function. Set *CODE_SEC and *CODE_VAL
- to the function's entry point. */
- bfd_boolean (*maybe_function_sym) (const asymbol *sym,
- asection **code_sec, bfd_vma *code_off);
+ /* If the ELF symbol SYM might be a function in SEC, return the
+ function size and set *CODE_OFF to the function's entry point,
+ otherwise return zero. */
+ bfd_size_type (*maybe_function_sym) (const asymbol *sym, asection *sec,
+ bfd_vma *code_off);
/* Used to handle bad SHF_LINK_ORDER input. */
bfd_error_handler_type link_order_error_handler;
/* This is non-zero if static TLS segments require a special alignment. */
unsigned static_tls_alignment;
+ /* Alignment for the PT_GNU_STACK segment. */
+ unsigned stack_align;
+
/* This is TRUE if the linker should act like collect and gather
global constructors and destructors by name. This is TRUE for
MIPS ELF because the Irix 5 tools can not handle the .init
/* The ELF header for this section. */
Elf_Internal_Shdr this_hdr;
+ /* INPUT_SECTION_FLAGS if specified in the linker script. */
+ struct flag_info *section_flag_info;
+
/* Information about the REL and RELA reloc sections associated
with this section, if any. */
struct bfd_elf_section_reloc_data rel, rela;
extern bfd_boolean _bfd_elf_find_nearest_line
(bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
unsigned int *);
+extern bfd_boolean _bfd_elf_find_nearest_line_discriminator
+ (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
+ unsigned int *, unsigned int *);
extern bfd_boolean _bfd_elf_find_line
(bfd *, asymbol **, asymbol *, const char **, unsigned int *);
+extern bfd_boolean _bfd_elf_find_line_discriminator
+ (bfd *, asymbol **, asymbol *, const char **, unsigned int *, unsigned int *);
#define _bfd_generic_find_line _bfd_elf_find_line
+#define _bfd_generic_find_nearest_line_discriminator \
+ _bfd_elf_find_nearest_line_discriminator
extern bfd_boolean _bfd_elf_find_inliner_info
(bfd *, const char **, const char **, unsigned int *);
#define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols
(struct elf_strtab_hash *, bfd_size_type);
extern void _bfd_elf_strtab_delref
(struct elf_strtab_hash *, bfd_size_type);
-extern void _bfd_elf_strtab_clear_all_refs
- (struct elf_strtab_hash *);
+extern unsigned int _bfd_elf_strtab_refcount
+ (struct elf_strtab_hash *, bfd_size_type);
+extern void _bfd_elf_strtab_clear_refs
+ (struct elf_strtab_hash *, bfd_size_type);
+#define _bfd_elf_strtab_clear_all_refs(tab) \
+ do { _bfd_elf_strtab_clear_refs (tab, 1); } while (0)
extern bfd_size_type _bfd_elf_strtab_size
(struct elf_strtab_hash *);
extern bfd_size_type _bfd_elf_strtab_offset
(bfd *, struct bfd_link_info *, asection *, bfd_byte *);
extern bfd_boolean _bfd_elf_write_section_eh_frame_hdr
(bfd *, struct bfd_link_info *);
+extern bfd_boolean _bfd_elf_eh_frame_present
+ (struct bfd_link_info *);
extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr
(struct bfd_link_info *);
extern bfd_boolean _bfd_elf_merge_symbol
(bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *,
- asection **, bfd_vma *, unsigned int *,
+ asection **, bfd_vma *, bfd_boolean *, unsigned int *,
struct elf_link_hash_entry **, bfd_boolean *,
bfd_boolean *, bfd_boolean *, bfd_boolean *);
extern bfd_boolean _bfd_elf_is_function_type (unsigned int);
-extern bfd_boolean _bfd_elf_maybe_function_sym (const asymbol *,
- asection **, bfd_vma *);
+extern bfd_size_type _bfd_elf_maybe_function_sym (const asymbol *, asection *,
+ bfd_vma *);
extern int bfd_elf_get_default_section_type (flagword);
-extern void bfd_elf_lookup_section_flags
- (struct bfd_link_info *, struct flag_info *);
+extern bfd_boolean bfd_elf_lookup_section_flags
+ (struct bfd_link_info *, struct flag_info *, asection *);
extern Elf_Internal_Phdr * _bfd_elf_find_segment_containing_section
(bfd * abfd, asection * section);
(bfd *, char *, int *, const void *, int);
extern char *elfcore_write_arm_vfp
(bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_aarch_tls
+ (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_aarch_hw_break
+ (bfd *, char *, int *, const void *, int);
+extern char *elfcore_write_aarch_hw_watch
+ (bfd *, char *, int *, const void *, int);
extern char *elfcore_write_lwpstatus
(bfd *, char *, int *, long, int, const void *);
extern char *elfcore_write_register_note
(bfd *, char *, int *, const char *, const void *, int);
+/* Internal structure which holds information to be included in the
+ PRPSINFO section of Linux core files.
+
+ This is an "internal" structure in the sense that it should be used
+ to pass information to BFD (via the `elfcore_write_linux_prpsinfo'
+ function), so things like endianess shouldn't be an issue. This
+ structure will eventually be converted in one of the
+ `elf_external_linux_*' structures and written out to an output bfd
+ by one of the functions declared below. */
+
+struct elf_internal_linux_prpsinfo
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ unsigned long pr_flag; /* Flags. */
+ unsigned int pr_uid;
+ unsigned int pr_gid;
+ int pr_pid, pr_ppid, pr_pgrp, pr_sid;
+ char pr_fname[16 + 1]; /* Filename of executable. */
+ char pr_psargs[80 + 1]; /* Initial part of arg list. */
+ };
+
+/* Linux/most 32-bit archs. */
+extern char *elfcore_write_linux_prpsinfo32
+ (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
+
+/* Linux/most 64-bit archs. */
+extern char *elfcore_write_linux_prpsinfo64
+ (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
+
+/* Linux/PPC32 uses different layout compared to most archs. */
+extern char *elfcore_write_ppc_linux_prpsinfo32
+ (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *);
+
extern bfd *_bfd_elf32_bfd_from_remote_memory
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma, bfd_byte *, int));
+ int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
extern bfd *_bfd_elf64_bfd_from_remote_memory
(bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
- int (*target_read_memory) (bfd_vma, bfd_byte *, int));
+ int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type));
extern bfd_vma bfd_elf_obj_attr_size (bfd *);
extern void bfd_elf_set_obj_attr_contents (bfd *, bfd_byte *, bfd_vma);
rel, count, relend, \
howto, index, contents) \
{ \
+ int i_; \
_bfd_clear_contents (howto, input_bfd, input_section, \
contents + rel[index].r_offset); \
\
} \
} \
\
- for (i = 0; i < count; i++) \
+ for (i_ = 0; i_ < count; i_++) \
{ \
- rel[i].r_info = 0; \
- rel[i].r_addend = 0; \
+ rel[i_].r_info = 0; \
+ rel[i_].r_addend = 0; \
} \
rel += count - 1; \
continue; \
}
-/* Will a symbol be bound to the the definition within the shared
+/* Will a symbol be bound to the definition within the shared
library, if any. A unique symbol can never be bound locally. */
#define SYMBOLIC_BIND(INFO, H) \
(!(H)->unique_global \