505 lines
17 KiB
C
505 lines
17 KiB
C
/*
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Copyright (C) 2000,2004,2005 Silicon Graphics, Inc. All Rights Reserved.
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Portions Copyright (C) 2007-2016 David Anderson. All Rights Reserved.
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Portions Copyright 2012 SN Systems Ltd. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
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under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it would be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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Further, this software is distributed without any warranty that it is
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free of the rightful claim of any third person regarding infringement
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or the like. Any license provided herein, whether implied or
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otherwise, applies only to this software file. Patent licenses, if
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any, provided herein do not apply to combinations of this program with
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other software, or any other product whatsoever.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write the Free Software Foundation, Inc., 51
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Franklin Street - Fifth Floor, Boston MA 02110-1301, USA.
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*/
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#ifndef globals_INCLUDED
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#define globals_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "config.h"
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#if (!defined(HAVE_RAW_LIBELF_OK) && defined(HAVE_LIBELF_OFF64_OK) )
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/* At a certain point libelf.h requires _GNU_SOURCE.
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here we assume the criteria in configure determine that
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usefully.
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*/
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#define _GNU_SOURCE 1
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#endif
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#include "warningcontrol.h"
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/* We want __uint32_t and __uint64_t and __int32_t __int64_t
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properly defined but not duplicated, since duplicate typedefs
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are not legal C.
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HAVE___UINT32_T
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HAVE___UINT64_T will be set by configure if
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our 4 types are predefined in compiler
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*/
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#if (!defined(HAVE___UINT32_T)) && defined(HAVE_SGIDEFS_H)
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#include <sgidefs.h> /* sgidefs.h defines them */
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#define HAVE___UINT32_T 1
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#define HAVE___UINT64_T 1
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#endif
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#if (!defined(HAVE___UINT32_T)) && defined(HAVE_SYS_TYPES_H) && defined(HAVE___UINT32_T_IN_SYS_TYPES_H)
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# include <sys/types.h>
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/* we assume __[u]int32_t and __[u]int64_t defined
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since __uint32_t defined in the sys/types.h in use */
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#define HAVE___UINT32_T 1
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#define HAVE___UINT64_T 1
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#endif
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#ifndef HAVE___UINT32_T
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typedef int __int32_t;
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typedef unsigned __uint32_t;
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#define HAVE___UINT32_T 1
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#endif
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#ifndef HAVE___UINT64_T
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typedef long long __int64_t;
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typedef unsigned long long __uint64_t;
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#define HAVE___UINT64_T 1
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#endif
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#include <stdio.h>
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#include <stdarg.h> /* For va_start va_arg va_list */
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#include <stdlib.h>
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#include <string.h>
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/* Windows specific */
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#ifdef HAVE_STDAFX_H
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#include "stdafx.h"
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#endif /* HAVE_STDAFX_H */
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#ifdef HAVE_ELF_H
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#include <elf.h>
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#endif
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#ifdef HAVE_LIBELF_H
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#include <libelf.h>
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#else
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#ifdef HAVE_LIBELF_LIBELF_H
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#include <libelf/libelf.h>
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#endif
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#endif
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#include <dwarf.h>
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#include <libdwarf.h>
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#ifdef HAVE_REGEX
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#include <regex.h>
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#endif
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#include "checkutil.h"
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#ifndef BOOLEAN_TYPEDEFED
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#define BOOLEAN_TYPEDEFED
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typedef int boolean;
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#endif /* BOOLEAN_TYPEDEFED */
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FAILED
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#define FAILED 1
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#endif
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/* Used to try to avoid leakage when we hide errors. */
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#define DROP_ERROR_INSTANCE(d,r,e) \
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if (r == DW_DLV_ERROR) { \
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dwarf_dealloc(d,e,DW_DLA_ERROR); \
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e = 0; \
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}
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/* size of attrib_buffer, defined in print_die.c */
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#define ATTRIB_BUFSIZ 999
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typedef struct {
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int checks;
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int errors;
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} Dwarf_Check_Result;
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/* Compilation Unit information for improved error messages.
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If the strings are too short we just truncate so fixed length
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here is fine. */
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#define COMPILE_UNIT_NAME_LEN 512
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extern char PU_name[COMPILE_UNIT_NAME_LEN]; /* PU Name */
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extern char CU_name[COMPILE_UNIT_NAME_LEN]; /* CU Name */
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extern char CU_producer[COMPILE_UNIT_NAME_LEN]; /* CU Producer Name */
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/* Set TRUE if you want to simply assume strings to be
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printed are safe to print. Leave FALSE if you want
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dangerous or unprintable characters to be switched to the
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character '?'. */
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extern boolean no_sanitize_string_garbage;
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extern boolean seen_PU; /* Detected a PU. */
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extern boolean seen_CU; /* Detected a CU. */
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extern boolean need_CU_name; /* Need CU name. */
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extern boolean need_CU_base_address; /* Need CU Base address. */
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extern boolean need_CU_high_address; /* Need CU High address. */
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extern boolean need_PU_valid_code; /* Need PU valid code. */
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extern boolean seen_PU_base_address; /* Detected a Base address for PU */
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extern boolean seen_PU_high_address; /* Detected a High address for PU */
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extern Dwarf_Addr PU_base_address; /* PU Base address */
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extern Dwarf_Addr PU_high_address; /* PU High address */
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extern Dwarf_Off DIE_offset; /* DIE offset in compile unit. */
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extern Dwarf_Off DIE_overall_offset; /* DIE offset in .debug_info. */
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/* Current CU information for better error reporting. */
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extern Dwarf_Off DIE_CU_offset; /* CU DIE offset in compile unit */
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extern Dwarf_Off DIE_CU_overall_offset; /* CU DIE offset in .debug_info */
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extern Dwarf_Addr CU_base_address; /* CU Base address. See ranges. */
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extern Dwarf_Addr CU_low_address; /* CU lowest addr. */
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extern Dwarf_Addr CU_high_address; /* CU High address. */
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extern int current_section_id; /* Section being process. */
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/* Ranges and Location tables for better error checking: see
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dwarfdump.c comments for more information. */
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extern Bucket_Group *pRangesInfo;
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extern Bucket_Group *pLinkonceInfo;
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extern Bucket_Group *pVisitedInfo;
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/* Calculate wasted space */
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extern void calculate_attributes_usage(Dwarf_Half attr,Dwarf_Half theform,
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Dwarf_Unsigned value);
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/* Able to generate report on search */
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extern const char *search_any_text;
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extern const char *search_match_text;
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extern const char *search_regex_text;
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extern int search_occurrences;
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#ifdef HAVE_REGEX
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extern regex_t search_re;
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#endif
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extern boolean is_strstrnocase(const char *data, const char *pattern);
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/* Options to enable debug tracing. */
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#define MAX_TRACE_LEVEL 10
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extern int nTrace[MAX_TRACE_LEVEL + 1];
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#define DUMP_OPTIONS 0 /* Dump options. */
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#define DUMP_RANGES_INFO 1 /* Dump RangesInfo Table. */
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#define DUMP_LOCATION_SECTION_INFO 2 /* Dump Location (.debug_loc) Info. */
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#define DUMP_RANGES_SECTION_INFO 3 /* Dump Ranges (.debug_ranges) Info. */
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#define DUMP_LINKONCE_INFO 4 /* Dump Linkonce Table. */
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#define DUMP_VISITED_INFO 5 /* Dump Visited Info. */
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#define dump_options nTrace[DUMP_OPTIONS]
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#define dump_ranges_info nTrace[DUMP_RANGES_INFO]
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#define dump_location_section_info nTrace[DUMP_LOCATION_SECTION_INFO]
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#define dump_ranges_section_info nTrace[DUMP_RANGES_SECTION_INFO]
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#define dump_linkonce_info nTrace[DUMP_LINKONCE_INFO]
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#define dump_visited_info nTrace[DUMP_VISITED_INFO]
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/* Section IDs */
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#define DEBUG_ABBREV 1
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#define DEBUG_ARANGES 2
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#define DEBUG_FRAME 3
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#define DEBUG_INFO 4
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#define DEBUG_LINE 5
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#define DEBUG_LOC 6
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#define DEBUG_MACINFO 7
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#define DEBUG_PUBNAMES 8
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#define DEBUG_RANGES 9
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#define DEBUG_STATIC_VARS 10
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#define DEBUG_STATIC_FUNC 11
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#define DEBUG_STR 12
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#define DEBUG_WEAKNAMES 13
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#define DEBUG_TYPES 14
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#define DEBUG_GDB_INDEX 15
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#define DEBUG_FRAME_EH_GNU 16
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#define DEBUG_MACRO 17
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#define DEBUG_NAMES 18
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extern int verbose;
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extern boolean dense;
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extern boolean ellipsis;
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extern boolean use_mips_regnames;
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extern boolean show_form_used;
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/* Print the information only if unique errors is set and it is first time */
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#define PRINTING_UNIQUE (!glflags.gf_found_error_message)
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extern int break_after_n_units;
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/* Check categories corresponding to the -k option */
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typedef enum /* Dwarf_Check_Categories */ {
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abbrev_code_result,
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pubname_attr_result,
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reloc_offset_result,
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attr_tag_result,
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tag_tree_result,
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type_offset_result,
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decl_file_result,
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ranges_result,
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lines_result,
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aranges_result,
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/* Harmless errors are errors detected inside libdwarf but
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not reported via DW_DLE_ERROR returns because the errors
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won't really affect client code. The 'harmless' errors
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are reported and otherwise ignored. It is difficult to report
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the error when the error is noticed by libdwarf, the error
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is reported at a later time.
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The other errors dwarfdump reports are also generally harmless
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but are detected by dwarfdump so it's possble to report the
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error as soon as the error is discovered. */
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harmless_result,
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fde_duplication,
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frames_result,
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locations_result,
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names_result,
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abbreviations_result,
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dwarf_constants_result,
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di_gaps_result,
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forward_decl_result,
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self_references_result,
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attr_encoding_result,
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duplicated_attributes_result,
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total_check_result,
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LAST_CATEGORY /* Must be last */
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} Dwarf_Check_Categories;
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struct section_high_offsets_s {
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Dwarf_Unsigned debug_info_size;
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Dwarf_Unsigned debug_abbrev_size;
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Dwarf_Unsigned debug_line_size;
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Dwarf_Unsigned debug_loc_size;
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Dwarf_Unsigned debug_aranges_size;
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Dwarf_Unsigned debug_macinfo_size;
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Dwarf_Unsigned debug_pubnames_size;
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Dwarf_Unsigned debug_str_size;
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Dwarf_Unsigned debug_frame_size;
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Dwarf_Unsigned debug_ranges_size;
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Dwarf_Unsigned debug_pubtypes_size;
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Dwarf_Unsigned debug_types_size;
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Dwarf_Unsigned debug_macro_size;
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Dwarf_Unsigned debug_str_offsets_size;
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Dwarf_Unsigned debug_sup_size;
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Dwarf_Unsigned debug_cu_index_size;
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Dwarf_Unsigned debug_tu_index_size;
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};
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extern struct section_high_offsets_s section_high_offsets_global;
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enum line_flag_type_e {
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singledw5, /* Meaning choose single table DWARF5 new interfaces. */
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s2l, /* Meaning choose two-level DWARF5 new interfaces. */
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orig, /* Meaning choose DWARF2,3,4 single level interface. */
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orig2l /* Meaning choose DWARF 2,3,4 two-level interface. */
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};
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#include "glflags.h"
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/* tsearch tree used in macro checking. */
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extern void * macro_check_tree; /* DWARF5 macros. */
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extern void * macinfo_check_tree; /* DWARF2,3,4 macros */
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extern Dwarf_Off fde_offset_for_cu_low;
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extern Dwarf_Off fde_offset_for_cu_high;
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/* Process TAGs for checking mode and reset pRangesInfo table
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if appropriate. */
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extern void tag_specific_checks_setup(Dwarf_Half val,int die_indent_level);
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extern const char *program_name;
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extern void print_error_and_continue (Dwarf_Debug dbg, const char * msg,int res, Dwarf_Error err);
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extern void print_error (Dwarf_Debug dbg, const char * msg,int res, Dwarf_Error err);
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extern void print_line_numbers_this_cu (Dwarf_Debug dbg, Dwarf_Die in_die);
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struct dwconf_s;
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extern void print_frames (Dwarf_Debug dbg, int print_debug_frame,
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int print_eh_frame,struct dwconf_s *);
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extern void print_ranges (Dwarf_Debug dbg);
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extern void print_pubnames (Dwarf_Debug dbg);
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extern void print_macinfo (Dwarf_Debug dbg);
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extern void print_infos (Dwarf_Debug dbg,Dwarf_Bool is_info);
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extern void print_locs (Dwarf_Debug dbg);
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extern void print_abbrevs (Dwarf_Debug dbg);
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extern void print_strings (Dwarf_Debug dbg);
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extern void print_aranges (Dwarf_Debug dbg);
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extern void print_relocinfo (Dwarf_Debug dbg,char *relmap);
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extern void print_static_funcs(Dwarf_Debug dbg);
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extern void print_static_vars(Dwarf_Debug dbg);
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enum type_type_e {SGI_TYPENAME, DWARF_PUBTYPES} ;
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extern void print_types(Dwarf_Debug dbg,enum type_type_e type_type);
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extern void print_weaknames(Dwarf_Debug dbg);
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extern void print_exception_tables(Dwarf_Debug dbg);
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extern void print_debug_names(Dwarf_Debug dbg);
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/* Space used to record range information */
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extern void allocate_range_array_info(void);
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extern void release_range_array_info(void);
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extern void record_range_array_info_entry(Dwarf_Off die_off,
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Dwarf_Off range_off);
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extern void check_range_array_info(Dwarf_Debug dbg);
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struct esb_s;
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extern void print_ranges_list_to_extra(Dwarf_Debug dbg,
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Dwarf_Unsigned off,
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Dwarf_Ranges *rangeset,
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Dwarf_Signed rangecount,
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Dwarf_Unsigned bytecount,
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struct esb_s *stringbuf);
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boolean should_skip_this_cu(Dwarf_Debug dbg, Dwarf_Die cu_die);
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void get_address_size_and_max(Dwarf_Debug dbg,
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Dwarf_Half * size,
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Dwarf_Addr * max,
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Dwarf_Error *err);
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/* Returns the producer of the CU */
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int get_cu_name(Dwarf_Debug dbg,Dwarf_Die cu_die,
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Dwarf_Off dieprint_cu_offset,
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char **short_name,char **long_name);
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int get_producer_name(Dwarf_Debug dbg,Dwarf_Die cu_die,
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Dwarf_Off dieprint_cu_offset,
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struct esb_s *producername);
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/* Get number of abbreviations for a CU */
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extern void get_abbrev_array_info(Dwarf_Debug dbg,Dwarf_Unsigned offset);
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/* Validate an abbreviation */
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extern void validate_abbrev_code(Dwarf_Debug dbg,Dwarf_Unsigned abbrev_code);
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extern void print_die_and_children(
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Dwarf_Debug dbg,
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Dwarf_Die in_die,
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Dwarf_Off dieprint_cu_offset,
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Dwarf_Bool is_info,
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char **srcfiles,
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Dwarf_Signed cnt);
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extern boolean print_one_die(
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Dwarf_Debug dbg,
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Dwarf_Die die,
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Dwarf_Off dieprint_cu_offset,
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boolean print_information,
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int die_indent_level,
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char **srcfiles,
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Dwarf_Signed cnt,
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boolean ignore_die_stack);
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/* Check for specific compiler */
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extern boolean checking_this_compiler(void);
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extern void update_compiler_target(const char *producer_name);
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extern void add_cu_name_compiler_target(char *name);
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/* General error reporting routines. These were
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macros for a short time and when changed into functions
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they kept (for now) their capitalization.
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The capitalization will likely change. */
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extern void PRINT_CU_INFO(void);
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extern void DWARF_CHECK_COUNT(Dwarf_Check_Categories category, int inc);
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extern void DWARF_ERROR_COUNT(Dwarf_Check_Categories category, int inc);
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extern void DWARF_CHECK_ERROR_PRINT_CU(void);
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extern void DWARF_CHECK_ERROR(Dwarf_Check_Categories category,
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const char *str);
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extern void DWARF_CHECK_ERROR2(Dwarf_Check_Categories category,
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const char *str1, const char *str2);
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extern void DWARF_CHECK_ERROR3(Dwarf_Check_Categories category,
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const char *str1, const char *str2, const char *strexpl);
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extern void print_macinfo_by_offset(Dwarf_Debug dbg,Dwarf_Unsigned offset);
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struct esb_s;
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/* Eliminate control characters from the input,
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leaving the input unchanged. Return pointer to
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an ephemeral location (only callfor printf,
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and only once per printf! */
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const char * sanitized(const char *s);
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void sanitized_string_destructor(void);
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void ranges_esb_string_destructor(void);
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void destruct_abbrev_array(void);
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extern Dwarf_Die current_cu_die_for_print_frames; /* This is
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an awful hack, making current_cu_die_for_print_frames public.
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But it enables cleaning up (doing all dealloc needed). */
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/* defined in print_sections.c, die for the current compile unit,
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used in get_fde_proc_name() */
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extern void printreg(Dwarf_Unsigned reg,struct dwconf_s *config_data);
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int get_proc_name(Dwarf_Debug dbg, Dwarf_Die die, Dwarf_Addr low_pc,
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char *proc_name_buf, int proc_name_buf_len, void **pcMap);
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void get_attr_value(Dwarf_Debug dbg, Dwarf_Half tag,
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Dwarf_Die die,
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Dwarf_Off die_cu_offset,
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Dwarf_Attribute attrib,
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char **srcfiles,
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Dwarf_Signed cnt, struct esb_s *esbp,
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int show_form,int local_verbose);
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extern void dump_block(char *prefix, char *data, Dwarf_Signed len);
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extern void format_sig8_string(Dwarf_Sig8 *data,struct esb_s *out);
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extern void print_gdb_index(Dwarf_Debug dbg);
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extern void print_debugfission_index(Dwarf_Debug dbg,const char *type);
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void dwarfdump_print_one_locdesc(Dwarf_Debug dbg,
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Dwarf_Locdesc * llbuf, /* 2014 interface */
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Dwarf_Locdesc_c locs, /* 2015 interface */
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Dwarf_Unsigned llent, /* Which locdesc is this */
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Dwarf_Unsigned entrycount, /* count of DW_OP operators */
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Dwarf_Addr baseaddr,
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struct esb_s *string_out);
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void clean_up_die_esb(void);
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void clean_up_syms_malloc_data(void);
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void safe_strcpy(char *out, long outlen, const char *in, long inlen);
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void print_macros_5style_this_cu(Dwarf_Debug dbg, Dwarf_Die cu_die,
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Dwarf_Bool in_import_list, Dwarf_Unsigned offset);
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void reset_overall_CU_error_data(void);
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void format_sig8_string(Dwarf_Sig8*data, struct esb_s *out);
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/* Detailed attributes encoding space */
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void print_attributes_encoding(Dwarf_Debug dbg);
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|
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/* Detailed tag and attributes usage */
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void print_tag_attributes_usage(Dwarf_Debug dbg);
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void print_section_groups_data(Dwarf_Debug dbg);
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void update_section_flags_per_groups(Dwarf_Debug dbg);
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void groups_restore_subsidiary_flags(void);
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void print_any_harmless_errors(Dwarf_Debug dbg);
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#include "section_bitmaps.h"
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#ifdef HAVE_UNUSED_ATTRIBUTE
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#define UNUSEDARG __attribute__ ((unused))
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#else
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#define UNUSEDARG
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* globals_INCLUDED */
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