#include <stdio.h>
#include <elf.h>
#include <libelf.h>
#include "defs.h"
#include "erglob.h"
#include "srcpos.h"
#include "em_elf.h"
#include "em_dwarf.h"
#include "config_elf_targ.h"
#include "targ_em_dwarf.h"

Include dependency graph for em_dwarf.cxx:

Classes
struct	INCL
struct	FNAME
struct	index_to_buffer_map_entry
Defines
#define	USE_STANDARD_TYPES 1
#define	MAX_DWARF_SECTIONS 20
#define	EXT_OP(v) (DW_CFA_extended \| v)
Functions
static void	identity_function (Dwarf_Unsigned symidx, Dwarf_Unsigned elf_symidx, Dwarf_Unsigned elf_symoff)
static Dwarf_Unsigned	another_identity_function (Elf64_Word x)
static int	setup_new_section_for_dwarf (char name, int is_64bit, Dwarf_Unsigned type, Dwarf_Unsigned flags, Dwarf_Unsigned link, Dwarf_Unsigned info, Dwarf_Unsigned name_idx, int *error)
pSCNINFO	Em_Dwarf_Find_Dwarf_Scn (size_t scndx)
pSCNINFO	Em_Dwarf_Find_Dwarf_Scn_By_Name (char *name)
static void	Increase_Incl_Table_Size (UINT16 incl_idx)
void	Em_Dwarf_Add_Include (UINT16 incl_idx, char *name)
static void	Increase_File_Table_Size (UINT16 file_idx)
void	Em_Dwarf_Add_File (UINT16 file_idx, char *name, UINT16 incl_idx, Dwarf_Unsigned modification_time, Dwarf_Unsigned file_size)
Dwarf_P_Debug	Em_Dwarf_Begin (BOOL is_64bit, BOOL dwarf_trace, BOOL is_cplus, symbol_index_recorder record_symidx)
Dwarf_P_Debug	Em_Dwarf_Begin (BOOL is_64bit, BOOL dwarf_trace, BOOL is_cplus)
static int	find_indexed_section (int i, const Dwarf_Signed scn)
static int	advance_to_next_stream_buffer (const Dwarf_Signed scndx)
static Dwarf_Ptr	get_current_buffer (void)
static Dwarf_Unsigned	get_current_bufsize (void)
void	Em_Dwarf_Write_Scns (Cg_Dwarf_Sym_To_Elfsym_Ofst translate_dwarf_sym)
void	Em_Dwarf_Write_Scns (void)
INT	Em_Dwarf_Prepare_Output (void)
void	Em_Dwarf_End (void)
void	Em_Dwarf_Add_Line_Entry (INT code_address, SRCPOS srcpos)
void	Em_Dwarf_Start_Text_Lines (pSCNINFO scninfo, INT start_offset)
void	Em_Dwarf_Start_Text_Region (pSCNINFO scninfo, INT start_offset)
void	Em_Dwarf_Start_Text_Region_Semi_Symbolic (pSCNINFO scninfo, INT start_offset, Dwarf_Unsigned first_label, Dwarf_Addr offset_from_first_label)
void	Em_Dwarf_End_Text_Lines (pSCNINFO scninfo, INT end_offset)
void	Em_Dwarf_End_Text_Arange (pSCNINFO scninfo, INT end_offset)
void	Em_Dwarf_End_Text_Arange_Symbolic (Dwarf_Unsigned last_label, Dwarf_Addr offset_from_last_label)
void	Em_Dwarf_End_Text_Region (pSCNINFO scninfo, INT end_offset)
void	Em_Dwarf_End_Text_Region_Semi_Symbolic (pSCNINFO scninfo, INT end_offset, Dwarf_Unsigned last_label, Dwarf_Addr offset_from_last_label)
void	Em_Dwarf_Process_PU (Dwarf_Unsigned begin_label, Dwarf_Unsigned end_label, INT32 begin_offset, INT32 end_offset, Dwarf_P_Die PU_die, Dwarf_P_Fde fde, Elf64_Word eh_symindex, INT eh_offset)
Variables
INT	data_alignment_factor
static Dwarf_P_Debug	dw_dbg
static Dwarf_Error	dw_error
static pSCNINFO	dwarf_scn [MAX_DWARF_SECTIONS]
static size_t	num_dwarf_scns = 0
static Dwarf_Unsigned	cie_index
static INCL *	incl_table
static INT	incl_table_size
static FNAME *	file_table
static INT	file_table_size
static symbol_index_recorder	Record_Symidx
static Dwarf_Signed	section_count = DW_DLV_NOCOUNT
static Dwarf_Unsigned	relocation_section_count = DW_DLV_NOCOUNT
index_to_buffer_map_entry *	index_to_buffer_map
static int	current_scn
static INT	Text_Start_Offset
static Dwarf_Unsigned	Text_Start_Label
static Dwarf_Addr	Offset_From_Text_Start_Label

Define Documentation

#define EXT_OP ( v ) (DW_CFA_extended | v)

#define MAX_DWARF_SECTIONS 20

Definition at line 60 of file em_dwarf.cxx.

Referenced by setup_new_section_for_dwarf().

#define USE_STANDARD_TYPES 1

Definition at line 45 of file em_dwarf.cxx.

Function Documentation

static int advance_to_next_stream_buffer ( const Dwarf_Signed scndx ) [static]

Definition at line 318 of file em_dwarf.cxx.

References current_scn, exit(), find_indexed_section(), fprintf(), and section_count.

Referenced by Em_Dwarf_Write_Scns().

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static Dwarf_Unsigned another_identity_function ( Elf64_Word x ) [static]

Definition at line 92 of file em_dwarf.cxx.

Referenced by Em_Dwarf_Begin().

void Em_Dwarf_Add_File	(	UINT16	file_idx,
		char *	name,
		UINT16	incl_idx,
		Dwarf_Unsigned	modification_time,
		Dwarf_Unsigned	file_size
	)

Definition at line 224 of file em_dwarf.cxx.

References dw_dbg, dw_error, dwarf_add_file_decl(), FNAME::dwarf_idx, FNAME::filename, FNAME::incl_idx, Increase_File_Table_Size(), and name.

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void Em_Dwarf_Add_Include	(	UINT16	incl_idx,
		char *	name
	)

Definition at line 189 of file em_dwarf.cxx.

References dw_dbg, dw_error, dwarf_add_directory_decl(), INCL::dwarf_idx, Increase_Incl_Table_Size(), name, and INCL::path.

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void Em_Dwarf_Add_Line_Entry	(	INT	code_address,
		SRCPOS	srcpos
	)

Definition at line 478 of file em_dwarf.cxx.

References dw_dbg, dw_error, dwarf_add_line_entry(), USRCPOS_bb_begin, USRCPOS_column, USRCPOS_filenum, USRCPOS_linenum, USRCPOS_srcpos, and USRCPOS_stmt_begin.

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Dwarf_P_Debug Em_Dwarf_Begin	(	BOOL	is_64bit,
		BOOL	dwarf_trace,
		BOOL	is_cplus,
		symbol_index_recorder	record_symidx
	)

Definition at line 248 of file em_dwarf.cxx.

References another_identity_function(), cie_index, data_alignment_factor, DW_CIE_AUGMENTER_STRING_V0, dw_dbg, DW_DLC_SIZE_32, DW_DLC_SIZE_64, DW_DLC_SYMBOLIC_RELOCATIONS, DW_DLC_WRITE, dw_error, DW_FRAME_RA_COL, dwarf_add_frame_cie(), dwarf_producer_init_b(), DWARF_TARGET_FLAG, Increase_File_Table_Size(), Increase_Incl_Table_Size(), NULL, Record_Symidx, setup_new_section_for_dwarf(), and TARG_INIT_BYTES.

Referenced by Em_Dwarf_Begin().

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Dwarf_P_Debug Em_Dwarf_Begin	(	BOOL	is_64bit,
		BOOL	dwarf_trace,
		BOOL	is_cplus
	)

Definition at line 286 of file em_dwarf.cxx.

References Em_Dwarf_Begin(), and NULL.

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void Em_Dwarf_End ( void )

Definition at line 471 of file em_dwarf.cxx.

References dw_dbg, dw_error, and dwarf_producer_finish().

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void Em_Dwarf_End_Text_Arange	(	pSCNINFO	scninfo,
		INT	end_offset
	)

Definition at line 543 of file em_dwarf.cxx.

References dw_dbg, dw_error, dwarf_add_arange(), Em_Create_Section_Symbol(), and Text_Start_Offset.

Referenced by Em_Dwarf_End_Text_Region().

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void Em_Dwarf_End_Text_Arange_Symbolic	(	Dwarf_Unsigned	last_label,
		Dwarf_Addr	offset_from_last_label
	)

Definition at line 552 of file em_dwarf.cxx.

References dw_dbg, dw_error, dwarf_add_arange_b(), Offset_From_Text_Start_Label, and Text_Start_Label.

Referenced by Em_Dwarf_End_Text_Region_Semi_Symbolic().

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void Em_Dwarf_End_Text_Lines	(	pSCNINFO	scninfo,
		INT	end_offset
	)

Definition at line 537 of file em_dwarf.cxx.

References dw_dbg, dw_error, and dwarf_lne_end_sequence().

Referenced by Em_Dwarf_End_Text_Region(), and Em_Dwarf_End_Text_Region_Semi_Symbolic().

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void Em_Dwarf_End_Text_Region	(	pSCNINFO	scninfo,
		INT	end_offset
	)

Definition at line 565 of file em_dwarf.cxx.

References Em_Dwarf_End_Text_Arange(), and Em_Dwarf_End_Text_Lines().

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void Em_Dwarf_End_Text_Region_Semi_Symbolic	(	pSCNINFO	scninfo,
		INT	end_offset,
		Dwarf_Unsigned	last_label,
		Dwarf_Addr	offset_from_last_label
	)

Definition at line 572 of file em_dwarf.cxx.

References Em_Dwarf_End_Text_Arange_Symbolic(), and Em_Dwarf_End_Text_Lines().

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pSCNINFO Em_Dwarf_Find_Dwarf_Scn ( size_t scndx )

Definition at line 141 of file em_dwarf.cxx.

References Em_Get_Section_Index(), NULL, and num_dwarf_scns.

Referenced by Em_Dwarf_Write_Scns().

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pSCNINFO Em_Dwarf_Find_Dwarf_Scn_By_Name ( char * name )

Definition at line 152 of file em_dwarf.cxx.

References Em_Get_Section_Name(), NULL, and num_dwarf_scns.

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INT Em_Dwarf_Prepare_Output ( void )

Definition at line 460 of file em_dwarf.cxx.

References dw_dbg, DW_DLV_NOCOUNT, dw_error, dwarf_transform_to_disk_form(), exit(), fprintf(), and section_count.

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void Em_Dwarf_Process_PU	(	Dwarf_Unsigned	begin_label,
		Dwarf_Unsigned	end_label,
		INT32	begin_offset,
		INT32	end_offset,
		Dwarf_P_Die	PU_die,
		Dwarf_P_Fde	fde,
		Elf64_Word	eh_symindex,
		INT	eh_offset
	)

Definition at line 582 of file em_dwarf.cxx.

References cie_index, DW_AT_high_pc, DW_AT_low_pc, dw_dbg, DW_DLX_NO_EH_OFFSET, dw_error, dwarf_add_AT_targ_address_b(), dwarf_add_frame_fde_b(), dwarf_add_frame_info_b(), and NULL.

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void Em_Dwarf_Start_Text_Lines	(	pSCNINFO	scninfo,
		INT	start_offset
	)

Definition at line 512 of file em_dwarf.cxx.

References dw_dbg, dw_error, dwarf_lne_set_address(), Em_Create_Section_Symbol(), and Text_Start_Offset.

Referenced by Em_Dwarf_Start_Text_Region().

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void Em_Dwarf_Start_Text_Region	(	pSCNINFO	scninfo,
		INT	start_offset
	)

Definition at line 520 of file em_dwarf.cxx.

References Em_Dwarf_Start_Text_Lines().

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void Em_Dwarf_Start_Text_Region_Semi_Symbolic	(	pSCNINFO	scninfo,
		INT	start_offset,
		Dwarf_Unsigned	first_label,
		Dwarf_Addr	offset_from_first_label
	)

Definition at line 526 of file em_dwarf.cxx.

References Offset_From_Text_Start_Label, Text_Start_Label, and Text_Start_Offset.

void Em_Dwarf_Write_Scns ( Cg_Dwarf_Sym_To_Elfsym_Ofst translate_dwarf_sym )

Definition at line 342 of file em_dwarf.cxx.

References advance_to_next_stream_buffer(), index_to_buffer_map_entry::buffer, index_to_buffer_map_entry::bufsize, current_scn, index_to_buffer_map_entry::cursection, data_alignment_factor, dw_dbg, DW_DLV_OK, dw_error, dwarf_get_relocation_info(), dwarf_get_relocation_info_count(), dwarf_get_section_bytes(), dwarf_reset_section_bytes(), Em_Add_Bytes_To_Scn(), Em_Dwarf_Find_Dwarf_Scn(), Em_Dwarf_Symbolic_Relocs_To_Elf(), Em_End_Section(), Em_Get_Section_Name(), exit(), find_indexed_section(), fprintf(), free(), get_current_buffer(), get_current_bufsize(), identity_function(), NULL, num_dwarf_scns, relocation_section_count, result, index_to_buffer_map_entry::scndx, and section_count.

Referenced by Em_Dwarf_Write_Scns().

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void Em_Dwarf_Write_Scns ( void )

Definition at line 454 of file em_dwarf.cxx.

References Em_Dwarf_Write_Scns(), and NULL.

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static int find_indexed_section	(	int	i,
		const Dwarf_Signed	scn
	)		`[inline, static]`

Definition at line 304 of file em_dwarf.cxx.

References section_count.

Referenced by advance_to_next_stream_buffer(), and Em_Dwarf_Write_Scns().

static Dwarf_Ptr get_current_buffer ( void ) [static]

Definition at line 330 of file em_dwarf.cxx.

References index_to_buffer_map_entry::buffer, and current_scn.

Referenced by Em_Dwarf_Write_Scns().

static Dwarf_Unsigned get_current_bufsize ( void ) [static]

Definition at line 336 of file em_dwarf.cxx.

References index_to_buffer_map_entry::bufsize, and current_scn.

Referenced by Em_Dwarf_Write_Scns().

static void identity_function	(	Dwarf_Unsigned	symidx,
		Dwarf_Unsigned *	elf_symidx,
		Dwarf_Unsigned *	elf_symoff
	)		`[static]`

Definition at line 83 of file em_dwarf.cxx.

Referenced by Em_Dwarf_Write_Scns().

static void Increase_File_Table_Size ( UINT16 file_idx ) [static]

Definition at line 201 of file em_dwarf.cxx.

References bzero(), EC_No_Mem, ErrMsg(), file_table_size, and NULL.

Referenced by Em_Dwarf_Add_File(), and Em_Dwarf_Begin().

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static void Increase_Incl_Table_Size ( UINT16 incl_idx ) [static]

Definition at line 167 of file em_dwarf.cxx.

References bzero(), EC_No_Mem, ErrMsg(), incl_table_size, and NULL.

Referenced by Em_Dwarf_Add_Include(), and Em_Dwarf_Begin().

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static int setup_new_section_for_dwarf	(	char *	name,
		int	is_64bit,
		Dwarf_Unsigned	type,
		Dwarf_Unsigned	flags,
		Dwarf_Unsigned	link,
		Dwarf_Unsigned	info,
		Dwarf_Unsigned *	name_idx,
		int *	error
	)		`[static]`