6433849359
The API for this library is deliberately different to the GPL'd libdwarf to avoid licensing problems.
77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*-
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* Copyright (c) 2007 John Birrell (jb@freebsd.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <stdio.h>
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#include "_libdwarf.h"
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const char *_libdwarf_errors[] = {
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#define DEFINE_ERROR(N,S) [DWARF_E_##N] = S
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DEFINE_ERROR(NONE, "No Error"),
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DEFINE_ERROR(ERROR, "An error"),
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DEFINE_ERROR(NO_ENTRY, "No entry found"),
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DEFINE_ERROR(ARGUMENT, "Invalid argument"),
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DEFINE_ERROR(DEBUG_INFO, "Debug info NULL"),
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DEFINE_ERROR(MEMORY, "Insufficient memory"),
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DEFINE_ERROR(ELF, "ELF error"),
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DEFINE_ERROR(INVALID_CU, "Invalid compilation unit data"),
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DEFINE_ERROR(CU_VERSION, "Wrong CU version. Only 2 and 3 supported"),
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DEFINE_ERROR(MISSING_ABBREV, "Abbrev not found"),
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DEFINE_ERROR(NOT_IMPLEMENTED, "Unimplemented code at"),
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DEFINE_ERROR(CU_CURRENT, "No current compilation unit"),
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DEFINE_ERROR(BAD_FORM, "Wrong form type for attribute value"),
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DEFINE_ERROR(INVALID_EXPR, "Invalid DWARF expression"),
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DEFINE_ERROR(NUM, "Unknown DWARF error")
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#undef DEFINE_ERROR
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};
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const char *
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dwarf_errmsg(Dwarf_Error *error)
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{
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const char *p;
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if (error == NULL)
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return NULL;
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if (error->err_error < 0 || error->err_error >= DWARF_E_NUM)
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return _libdwarf_errors[DWARF_E_NUM];
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else if (error->err_error == DWARF_E_NONE)
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return _libdwarf_errors[DWARF_E_NONE];
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else
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p = _libdwarf_errors[error->err_error];
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if (error->err_error == DWARF_E_ELF)
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snprintf(error->err_msg, sizeof(error->err_msg),
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"ELF error : %s [%s(%d)]", elf_errmsg(error->elf_error),
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error->err_func, error->err_line);
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else
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snprintf(error->err_msg, sizeof(error->err_msg),
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"%s [%s(%d)]", p, error->err_func, error->err_line);
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return (const char *) error->err_msg;
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}
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