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      1 /*	$NetBSD: dwarf_pro_init.c,v 1.5 2024/03/03 17:37:32 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2009 Kai Wang
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include "_libdwarf.h"
     30 
     31 __RCSID("$NetBSD: dwarf_pro_init.c,v 1.5 2024/03/03 17:37:32 christos Exp $");
     32 ELFTC_VCSID("Id: dwarf_pro_init.c 2074 2011-10-27 03:34:33Z jkoshy");
     33 
     34 Dwarf_P_Debug
     35 dwarf_producer_init(Dwarf_Unsigned flags, Dwarf_Callback_Func func,
     36     Dwarf_Handler errhand, Dwarf_Ptr errarg, Dwarf_Error *error)
     37 {
     38 	Dwarf_P_Debug dbg;
     39 	int mode;
     40 
     41 	if (flags & DW_DLC_READ || flags & DW_DLC_RDWR) {
     42 		DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
     43 		return (DW_DLV_BADADDR);
     44 	}
     45 
     46 	if (flags & DW_DLC_WRITE)
     47 		mode = DW_DLC_WRITE;
     48 	else {
     49 		DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
     50 		return (DW_DLV_BADADDR);
     51 	}
     52 
     53 	if (func == NULL) {
     54 		DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
     55 		return (DW_DLV_BADADDR);
     56 	}
     57 
     58 	if (_dwarf_alloc(&dbg, DW_DLC_WRITE, error) != DW_DLE_NONE)
     59 		return (DW_DLV_BADADDR);
     60 
     61 	dbg->dbg_mode = mode;
     62 
     63 	if (_dwarf_init(dbg, flags, errhand, errarg, error) != DW_DLE_NONE) {
     64 		free(dbg);
     65 		return (DW_DLV_BADADDR);
     66 	}
     67 
     68 	dbg->dbgp_func = func;
     69 
     70 	return (dbg);
     71 }
     72 
     73 Dwarf_P_Debug
     74 dwarf_producer_init_b(Dwarf_Unsigned flags, Dwarf_Callback_Func_b func,
     75     Dwarf_Handler errhand, Dwarf_Ptr errarg, Dwarf_Error *error)
     76 {
     77 	Dwarf_P_Debug dbg;
     78 	int mode;
     79 
     80 	if (flags & DW_DLC_READ || flags & DW_DLC_RDWR) {
     81 		DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
     82 		return (DW_DLV_BADADDR);
     83 	}
     84 
     85 	if (flags & DW_DLC_WRITE)
     86 		mode = DW_DLC_WRITE;
     87 	else {
     88 		DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
     89 		return (DW_DLV_BADADDR);
     90 	}
     91 
     92 	if (func == NULL) {
     93 		DWARF_SET_ERROR(NULL, error, DW_DLE_ARGUMENT);
     94 		return (DW_DLV_BADADDR);
     95 	}
     96 
     97 	if (_dwarf_alloc(&dbg, DW_DLC_WRITE, error) != DW_DLE_NONE)
     98 		return (DW_DLV_BADADDR);
     99 
    100 	dbg->dbg_mode = mode;
    101 
    102 	if (_dwarf_init(dbg, flags, errhand, errarg, error) != DW_DLE_NONE) {
    103 		free(dbg);
    104 		return (DW_DLV_BADADDR);
    105 	}
    106 
    107 	dbg->dbgp_func_b = func;
    108 
    109 	return (dbg);
    110 }
    111 
    112 int
    113 dwarf_producer_set_isa(Dwarf_P_Debug dbg, enum Dwarf_ISA isa,
    114     Dwarf_Error *error)
    115 {
    116 
    117 	if (dbg == NULL || isa >= DW_ISA_MAX) {
    118 		DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT);
    119 		return (DW_DLV_ERROR);
    120 	}
    121 
    122 	dbg->dbgp_isa = isa;
    123 
    124 	return (DW_DLV_OK);
    125 }
    126