/*

  Copyright (C) 2017-2017 David Anderson. All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it

  under the terms of version 2 of the GNU General Public License as

  published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but

  WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  Further, this software is distributed without any warranty that it is

  free of the rightful claim of any third person regarding infringement

  or the like.  Any license provided herein, whether implied or

  otherwise, applies only to this software file.  Patent licenses, if

  any, provided herein do not apply to combinations of this program with

  other software, or any other product whatsoever.

  You should have received a copy of the GNU General Public License along

  with this program; if not, write the Free Software Foundation, Inc., 51

  Franklin Street - Fifth Floor, Boston MA 02110-1301, USA.

*/

#include "globals.h"

/*  section_bitmaps.h and .c actually involved  bits,

    bit shifting, and bit masks,

    but now the 'maps' are simple byte arrays.

    See reloc_map and section_map in dwarfdump.c */

#define TRUE  1

#define FALSE 0

struct section_map_s

map_sectnames[DW_HDR_ARRAY_SIZE] = {

    {0,0},

    {DW_SECTNAME_DEBUG_INFO,            DW_HDR_DEBUG_INFO},

    {DW_SECTNAME_DEBUG_INFO_DWO,        DW_HDR_DEBUG_INFO_DWO},

    {DW_SECTNAME_DEBUG_LINE,            DW_HDR_DEBUG_LINE},

    {DW_SECTNAME_DEBUG_LINE_DWO,        DW_HDR_DEBUG_LINE_DWO},

    {DW_SECTNAME_DEBUG_PUBNAMES,        DW_HDR_DEBUG_PUBNAMES},

    {DW_SECTNAME_DEBUG_ABBREV,          DW_HDR_DEBUG_ABBREV},

    {DW_SECTNAME_DEBUG_ABBREV_DWO,      DW_HDR_DEBUG_ABBREV_DWO},

    {DW_SECTNAME_DEBUG_ARANGES,         DW_HDR_DEBUG_ARANGES},

    {DW_SECTNAME_DEBUG_FRAME,           DW_HDR_DEBUG_FRAME},

    {DW_SECTNAME_DEBUG_LOC,             DW_HDR_DEBUG_LOC},

    {DW_SECTNAME_DEBUG_LOCLISTS,        DW_HDR_DEBUG_LOCLISTS},

    {DW_SECTNAME_DEBUG_LOCLISTS_DWO,    DW_HDR_DEBUG_LOCLISTS_DWO},

    {DW_SECTNAME_DEBUG_RANGES,          DW_HDR_DEBUG_RANGES},

    {DW_SECTNAME_DEBUG_RNGLISTS,        DW_HDR_DEBUG_RNGLISTS},

    {DW_SECTNAME_DEBUG_RNGLISTS_DWO,    DW_HDR_DEBUG_RNGLISTS_DWO},

    {DW_SECTNAME_DEBUG_STR,             DW_HDR_DEBUG_STR},

    {DW_SECTNAME_DEBUG_STR_DWO,         DW_HDR_DEBUG_STR_DWO},

    {DW_SECTNAME_DEBUG_STR_OFFSETS,     DW_HDR_DEBUG_STR_OFFSETS},

    {DW_SECTNAME_DEBUG_STR_OFFSETS_DWO, DW_HDR_DEBUG_STR_OFFSETS_DWO},

    {DW_SECTNAME_DEBUG_PUBTYPES,        DW_HDR_DEBUG_PUBTYPES},

    {DW_SECTNAME_DEBUG_TYPES,           DW_HDR_DEBUG_TYPES},

    {DW_SECTNAME_TEXT,                  DW_HDR_TEXT},

    {DW_SECTNAME_GDB_INDEX,             DW_HDR_GDB_INDEX},

    {DW_SECTNAME_EH_FRAME,              DW_HDR_EH_FRAME},

    {DW_SECTNAME_DEBUG_MACINFO,         DW_HDR_DEBUG_MACINFO},

    {DW_SECTNAME_DEBUG_MACRO,           DW_HDR_DEBUG_MACRO},

    {DW_SECTNAME_DEBUG_MACRO_DWO,       DW_HDR_DEBUG_MACRO_DWO},

    {DW_SECTNAME_DEBUG_NAMES,           DW_HDR_DEBUG_NAMES},

    {DW_SECTNAME_DEBUG_CU_INDEX,        DW_HDR_DEBUG_CU_INDEX},

    {DW_SECTNAME_DEBUG_TU_INDEX,        DW_HDR_DEBUG_TU_INDEX},

    {"Elf Header",                      DW_HDR_HEADER},

};

static boolean all_sections_on;

boolean

section_name_is_debug_and_wanted(const char *section_name,char *secmap)

{

    unsigned i = 1;

    if (all_sections_on) {

        return TRUE;

    }

    for ( ; i < DW_HDR_ARRAY_SIZE; ++i) {

        if(!strcmp(section_name,map_sectnames[i].name) &&

            secmap[map_sectnames[i].value]) {

            return TRUE;

        }

    }

    return FALSE;

}

/* For now defaults matches all but .text. */

void

set_all_section_defaults(char *section_map)

{

    unsigned i = 1;

    for ( ; i < DW_HDR_ARRAY_SIZE; ++i) {

        section_map[i] = TRUE;

    }

}

void

set_all_sections_on(char *section_map)

{

    unsigned i = 1;

    all_sections_on = TRUE;

    for ( ; i < DW_HDR_ARRAY_SIZE; ++i) {

        section_map[i] = TRUE;

    }

}

void set_all_reloc_sections_on(char *m)

{

    unsigned i = 1;

    for ( ; i < DW_SECTION_REL_ARRAY_SIZE; ++i) {

        m[i] = TRUE;

    }

}

boolean

any_section_header_to_print(char *section_map)

{

    unsigned i = 1;

    for ( ; i < DW_HDR_HEADER; ++i) {

        if(section_map[i]) {

            return TRUE;

        }

    }

    return FALSE;

}

#ifdef SELFTEST

int main()

{

    unsigned i = 1;

    unsigned arraycount = sizeof(map_sectnames)/

        sizeof (struct section_map_s);;

    if (arraycount  !=  DW_HDR_ARRAY_SIZE) {

        printf("FAIL map_sections.c sections array wrong size "

            "%u vs %u\n",

            arraycount,DW_HDR_ARRAY_SIZE);

        exit(1);

    }

    for ( ; i < DW_HDR_ARRAY_SIZE; ++i) {

        struct section_map_s * mp = map_sectnames+i;

        if (mp->value != i) {

            printf("FAIL map_sections.c at entry %s we have "

            "0x%x vs 0x%x"

                " mismatch\n",

                mp->name?mp->name:"

                mp->value,

                i);

            exit(1);

        }

        if (!mp->name) {

            printf("FAIL map_sections.c at entry %u we have no name!\n",i);

            exit(1);

        }

    }

    printf("PASS section maps\n");

    return 0;

}

#endif /* SELFTEST */