osprey/libelf/lib/update.c File Reference

#include <private.h>

Include dependency graph for update.c:

Go to the source code of this file.

Defines

#define native_encoding   (*(unsigned char*)&__encoding)

#define rewrite(var, val, f)   do{if((var)!=(val)){(var)=(val);(f)|=ELF_F_DIRTY;}}while(0)

#define align(var, val)   do{if((val)>1){(var)+=(val)-1;(var)-=(var)%(val);}}while(0)

#define max(a, b)   ((a)>(b)?(a):(b))

#define ptrinside(p, a, l)   ((p)>=(a)&&(p)<(a)+(l))

#define newptr(p, o, n)   ((p)=((p)-(o))+(n))

Functions/Subroutines

static off_t scn_data_layout (Elf_Scn *scn, unsigned v, unsigned type, size_t *algn, unsigned *flag)

static size_t scn_entsize (const Elf *elf, unsigned version, unsigned stype)

static off_t _elf32_layout (Elf *elf, unsigned *flag)

static int _elf_update_pointers (Elf *elf, char *outbuf, size_t len)

static off_t _elf32_write (Elf *elf, char *outbuf, size_t len)

static off_t _elf_output (Elf *elf, int fd, size_t len, off_t(*_elf_write)(Elf *, char *, size_t))

off_t elf_update (Elf *elf, Elf_Cmd cmd)

Variables

static const char rcsid [] = "@(#) $Id: update.c,v 1.1.1.1 2005/10/21 19:00:00 marcel Exp $"

static const unsigned short __encoding = ELFDATA2LSB + (ELFDATA2MSB << 8)

Define Documentation

#define align	(	var,
		val		)	do{if((val)>1){(var)+=(val)-1;(var)-=(var)%(val);}}while(0)

Definition at line 40 of file update.c.

Referenced by _bfd_add_merge_section(), _bfd_elf_tls_setup(), _elf32_layout(), Adjusted_Alignment(), allocate_dynamic_stack_space(), Allocate_Space(), alpha_align_insns(), alpha_expand_block_clear(), alpha_expand_compare_and_swap_12(), alpha_expand_lock_test_and_set_12(), apply_args_size(), apply_result_size(), arc_va_arg(), assign_file_positions_for_segments(), Assign_Offset(), assign_parm_find_stack_rtl(), assign_stack_temp_for_type(), aux_memset(), bfin_expand_movmem(), bfin_expand_strmov(), can_move_by_pieces(), change_address(), clear_storage(), clipper_movstr(), clipper_va_arg(), compute_alignment(), compute_argument_addresses(), compute_clrmem_length(), compute_ebb_actions(), compute_movmem_length(), compute_movstrsi_length(), Create_DST_type_For_Tree(), Create_Maligned_TY(), Create_TY_For_Tree(), crx_expand_movmem(), cvrt_to_pdg(), CODEREP::Divisable(), DST_enter_normal_field(), DST_enter_struct_union_members(), Dump_all(), dump_constants(), elf_link_add_object_symbols(), emit_block_move(), emit_move_sequence(), emit_pic_helper(), expand_block_clear(), expand_block_move(), expand_expr_real_1(), expand_main_function(), expand_movstr(), expand_one_stack_var(), expand_one_stack_var_at(), expand_used_vars(), final_addr_vec_align(), final_scan_insn(), finalize_type_size(), force_reg(), frv_expand_block_clear(), frv_expand_block_move(), function_arg(), function_arg_advance(), function_arg_partial_nregs(), gen_cmpstrsi(), Get_Align(), get_basic_type(), get_decl_align_unit(), get_pointer_alignment(), gimplify_init_constructor(), gimplify_omp_atomic(), GTY(), hppa_va_arg(), i860_gimplify_va_arg_expr(), i860_va_arg(), i960_pr_align(), init_alignment_context(), initial_elimination_offset(), IPO_generate_new_types(), IPO_get_new_ordering(), ix86_expand_clrmem(), ix86_expand_clrstr(), ix86_expand_movmem(), ix86_expand_movstr(), ix86_expand_strlensi_unroll_1(), ix86_function_arg_boundary(), ix86_gimplify_va_arg(), ix86_va_arg(), load_pic_register(), loop_givs_rescan(), m32r_expand_block_move(), m68hc11_va_arg(), m88k_va_arg(), mcore_expand_block_move(), Memop_Variant(), mips_gimplify_va_arg_expr(), mips_va_arg(), mmix_expand_builtin_va_arg(), mn10200_va_arg(), mn10300_arg_partial_bytes(), mn10300_va_arg(), mri_draw_tree(), output_block_clear(), output_block_move(), output_stack_adjust(), pj_expand_builtin_va_arg(), profile_function(), realign_file(), record_section(), round_push(), rounded_frame_size(), rs6000_arg_partial_bytes(), rs6000_expand_compare_and_swapqhi(), rs6000_gimplify_va_arg(), rs6000_parm_start(), rs6000_special_round_type_align(), rs6000_va_arg(), sbitmap_vector_alloc(), scn_data_layout(), send_attr_ntry(), set_mem_attributes_minus_bitpos(), sh5_schedule_saves(), sh_expand_epilogue(), sh_expand_prologue(), shorten_branches(), sparc_gimplify_va_arg(), sparc_output_deferred_case_vectors(), sparc_va_arg(), Split_Individual_Common(), ST_alignment(), STB_align(), store_by_pieces_1(), Trace_Stack_Segments(), v850_arg_partial_bytes(), VEC(), WFE_Expand_Expr(), WGEN_Expand_Expr(), Write_Elf_Symtab(), xtensa_emit_block_move(), xtensa_expand_block_move(), and xtensa_gimplify_va_arg_expr().

#define max	(	a,
		b		)	((a)>(b)?(a):(b))

Definition at line 43 of file update.c.

#define native_encoding (*(unsigned char*)&__encoding)

Definition at line 35 of file update.c.

Referenced by _elf32_layout().

#define newptr	(	p,
		o,
		n	)	((p)=((p)-(o))+(n))

Definition at line 505 of file update.c.

Referenced by _elf_update_pointers(), and add_new_contents().

#define ptrinside	(	p,
		a,
		l	)	((p)>=(a)&&(p)<(a)+(l))

Definition at line 504 of file update.c.

Referenced by _elf_update_pointers().

#define rewrite	(	var,
		val,
		f	)	do{if((var)!=(val)){(var)=(val);(f)\|=ELF_F_DIRTY;}}while(0)

Definition at line 37 of file update.c.

Referenced by _elf32_layout(), and scn_data_layout().

Function Documentation

static off_t _elf32_layout	(	Elf *	elf,
		unsigned *	flag
	)			`[static]`

Definition at line 125 of file update.c.

References _fsize, align, Elf::e_ehdr, Elf::e_ehdr_flags, Elf32_Ehdr::e_ehsize, Elf::e_elf_flags, Elf32_Ehdr::e_ident, Elf::e_phdr_flags, Elf32_Ehdr::e_phentsize, Elf32_Ehdr::e_phnum, Elf::e_phnum, Elf32_Ehdr::e_phoff, Elf::e_scn_1, Elf32_Ehdr::e_shentsize, Elf32_Ehdr::e_shnum, Elf32_Ehdr::e_shoff, Elf32_Ehdr::e_version, EI_CLASS, EI_DATA, EI_MAG0, EI_MAG1, EI_MAG2, EI_MAG3, EI_VERSION, elf_assert, ELF_F_LAYOUT, ELF_T_ADDR, ELF_T_EHDR, ELF_T_PHDR, ELF_T_SHDR, ELFCLASS32, ELFDATANONE, ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, EV_CURRENT, EV_NONE, if(), layout(), len, max, native_encoding, rewrite, Elf_Scn::s_index, Elf_Scn::s_link, Elf_Scn::s_shdr_flags, scn_data_layout(), scn_entsize(), seterr, Elf32_Shdr::sh_addralign, Elf32_Shdr::sh_entsize, Elf32_Shdr::sh_offset, Elf32_Shdr::sh_size, Elf32_Shdr::sh_type, SHN_LORESERVE, SHN_UNDEF, SHT_NOBITS, SHT_NULL, size_t, valid_encoding, valid_version, and version.

Referenced by elf_update().

static off_t _elf32_write	(	Elf *	elf,
		char *	outbuf,
		size_t	len
	)			`[static]`

Definition at line 618 of file update.c.

References _elf32_xltsize(), _elf_update_pointers(), _elf_version, _msize, Elf_Data::d_buf, Elf_Data::d_off, Elf_Data::d_size, Elf_Data::d_type, Elf_Data::d_version, DATA_MAGIC, dst, Elf::e_ehdr, Elf::e_ehdr_flags, Elf32_Ehdr::e_ehsize, Elf::e_elf_flags, Elf::e_encoding, Elf32_Ehdr::e_ident, Elf::e_phdr, Elf::e_phdr_flags, Elf32_Ehdr::e_phentsize, Elf32_Ehdr::e_phnum, Elf32_Ehdr::e_phoff, Elf::e_readable, Elf::e_scn_1, Elf32_Ehdr::e_shentsize, Elf32_Ehdr::e_shoff, Elf::e_size, Elf::e_version, Elf32_Ehdr::e_version, EI_DATA, EI_VERSION, elf32_xlatetof(), elf_assert, ELF_F_DIRTY, elf_getdata(), ELF_T_BYTE, ELF_T_EHDR, ELF_T_PHDR, ELF_T_SHDR, ELFCLASS32, ELFDATA2LSB, encode(), EV_CURRENT, NULL, Elf_Scn::s_data_1, Elf_Scn::s_elf, Elf_Scn::s_index, Elf_Scn::s_link, Elf_Scn::s_magic, Elf_Scn::s_offset, Elf_Scn::s_scn_flags, Elf_Scn::s_shdr_flags, Elf_Scn::s_size, Elf_Scn::s_type, Elf_Scn::s_uhdr, SCN_MAGIC, Scn_Data::sd_data, Scn_Data::sd_data_flags, Scn_Data::sd_link, Scn_Data::sd_magic, Scn_Data::sd_scn, seterr, Elf32_Shdr::sh_offset, Elf32_Shdr::sh_size, Elf32_Shdr::sh_type, SHN_UNDEF, SHT_NOBITS, SHT_NULL, src, tmp, and valid_type.

Referenced by elf_update().

static off_t _elf_output	(	Elf *	elf,
		int	fd,
		size_t	len,
		off_t()(Elf , char *, size_t)	_elf_write
	)			`[static]`

Definition at line 872 of file update.c.

References _elf_fill, buf, Elf::e_elf_flags, elf_assert, ELF_F_LAYOUT, err, free(), ftruncate(), lseek, malloc, memset, mmap(), munmap(), NULL, SEEK_SET, seterr, and write.

Referenced by elf_update().

static int _elf_update_pointers	(	Elf *	elf,
		char *	outbuf,
		size_t	len
	)			`[static]`

Definition at line 508 of file update.c.

References Elf_Data::d_buf, DATA_MAGIC, Elf::e_class, Elf::e_data, Elf::e_dsize, Elf::e_ehdr, Elf::e_free_ehdr, Elf::e_free_phdr, Elf::e_kind, Elf::e_parent, Elf::e_phdr, Elf::e_rawdata, Elf::e_scn_1, Elf::e_unmap_data, EI_NIDENT, elf_assert, ELF_K_ELF, ELFCLASS32, ELFCLASS64, memcpy, newptr, ptrinside, realloc, Elf_Scn::s_data_1, Elf_Scn::s_elf, Elf_Scn::s_link, Elf_Scn::s_magic, Elf_Scn::s_rawdata, SCN_MAGIC, Scn_Data::sd_data, Scn_Data::sd_free_data, Scn_Data::sd_magic, Scn_Data::sd_memdata, Scn_Data::sd_scn, and seterr.

Referenced by _elf32_write().

off_t elf_update	(	Elf *	elf,
		Elf_Cmd	cmd
	)

Definition at line 929 of file update.c.

References _elf32_layout(), _elf32_write(), _elf_output(), Elf::e_class, Elf::e_disabled, Elf::e_ehdr, Elf::e_fd, Elf::e_kind, Elf::e_magic, Elf::e_writable, elf_assert, ELF_C_NULL, ELF_C_WRITE, ELF_F_DIRTY, ELF_K_ELF, ELF_MAGIC, ELFCLASS32, ELFCLASS64, seterr, and valid_class.

Referenced by Em_End_File().

static off_t scn_data_layout	(	Elf_Scn *	scn,
		unsigned	v,
		unsigned	type,
		size_t *	algn,
		unsigned *	flag
	)			`[static]`

Definition at line 46 of file update.c.

References _elf32_xltsize(), align, Elf_Data::d_align, Elf_Data::d_off, Elf_Data::d_size, Elf_Data::d_type, Elf_Data::d_version, DATA_MAGIC, Elf::e_class, Elf::e_elf_flags, elf_assert, ELF_F_LAYOUT, elf_getdata(), ELFCLASS32, ELFCLASS64, ELFDATA2LSB, layout(), len, max, NULL, rewrite, Elf_Scn::s_data_1, Elf_Scn::s_elf, Scn_Data::sd_data, Scn_Data::sd_data_flags, Scn_Data::sd_link, Scn_Data::sd_magic, Scn_Data::sd_scn, seterr, SHT_NOBITS, valid_class, valid_type, and valid_version.

Referenced by _elf32_layout().

static size_t scn_entsize	(	const Elf *	elf,
		unsigned	version,
		unsigned	stype
	)			`[static]`

Definition at line 110 of file update.c.

References _elf_scn_type(), _fsize, Elf::e_class, ELF_T_BYTE, ELF_T_VDEF, and ELF_T_VNEED.

Referenced by _elf32_layout(), and Init_Section().

Variable Documentation

const unsigned short __encoding = ELFDATA2LSB + (ELFDATA2MSB << 8) [static]

Definition at line 34 of file update.c.

const char rcsid[] = "@(#) $Id: update.c,v 1.1.1.1 2005/10/21 19:00:00 marcel Exp $" [static]

Definition at line 27 of file update.c.


Defines
#define	native_encoding ((unsigned char)&__encoding)
#define	rewrite(var, val, f) do{if((var)!=(val)){(var)=(val);(f)\|=ELF_F_DIRTY;}}while(0)
#define	align(var, val) do{if((val)>1){(var)+=(val)-1;(var)-=(var)%(val);}}while(0)
#define	max(a, b) ((a)>(b)?(a):(b))
#define	ptrinside(p, a, l) ((p)>=(a)&&(p)<(a)+(l))
#define	newptr(p, o, n) ((p)=((p)-(o))+(n))
Functions/Subroutines
static off_t	scn_data_layout (Elf_Scn scn, unsigned v, unsigned type, size_t algn, unsigned *flag)
static size_t	scn_entsize (const Elf *elf, unsigned version, unsigned stype)
static off_t	_elf32_layout (Elf elf, unsigned flag)
static int	_elf_update_pointers (Elf elf, char outbuf, size_t len)
static off_t	_elf32_write (Elf elf, char outbuf, size_t len)
static off_t	_elf_output (Elf elf, int fd, size_t len, off_t(_elf_write)(Elf , char , size_t))
off_t	elf_update (Elf *elf, Elf_Cmd cmd)
Variables
static const char	rcsid [] = "@(#) $Id: update.c,v 1.1.1.1 2005/10/21 19:00:00 marcel Exp $"
static const unsigned short	__encoding = ELFDATA2LSB + (ELFDATA2MSB << 8)