2 * Copyright (c) 2007 John Birrell (jb@freebsd.org)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include "_libdwarf.h"
32 const char *_libdwarf_errors[] = {
33 #define DEFINE_ERROR(N,S) [DWARF_E_##N] = S
34 DEFINE_ERROR(NONE, "No Error"),
35 DEFINE_ERROR(ERROR, "An error"),
36 DEFINE_ERROR(NO_ENTRY, "No entry found"),
37 DEFINE_ERROR(ARGUMENT, "Invalid argument"),
38 DEFINE_ERROR(DEBUG_INFO, "Debug info NULL"),
39 DEFINE_ERROR(MEMORY, "Insufficient memory"),
40 DEFINE_ERROR(ELF, "ELF error"),
41 DEFINE_ERROR(INVALID_CU, "Invalid compilation unit data"),
42 DEFINE_ERROR(CU_VERSION, "Wrong CU version. Only 2 and 3 supported"),
43 DEFINE_ERROR(MISSING_ABBREV, "Abbrev not found"),
44 DEFINE_ERROR(NOT_IMPLEMENTED, "Unimplemented code at"),
45 DEFINE_ERROR(CU_CURRENT, "No current compilation unit"),
46 DEFINE_ERROR(BAD_FORM, "Wrong form type for attribute value"),
47 DEFINE_ERROR(INVALID_EXPR, "Invalid DWARF expression"),
48 DEFINE_ERROR(NUM, "Unknown DWARF error")
53 dwarf_errmsg(Dwarf_Error *error)
60 if (error->err_error < 0 || error->err_error >= DWARF_E_NUM)
61 return _libdwarf_errors[DWARF_E_NUM];
62 else if (error->err_error == DWARF_E_NONE)
63 return _libdwarf_errors[DWARF_E_NONE];
65 p = _libdwarf_errors[error->err_error];
67 if (error->err_error == DWARF_E_ELF)
68 snprintf(error->err_msg, sizeof(error->err_msg),
69 "ELF error : %s [%s(%d)]", elf_errmsg(error->elf_error),
70 error->err_func, error->err_line);
72 snprintf(error->err_msg, sizeof(error->err_msg),
73 "%s [%s(%d)]", p, error->err_func, error->err_line);
75 return (const char *) error->err_msg;