mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
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
/*-
|
|
* Copyright (c) 2007 John Birrell (jb@freebsd.org)
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "_libdwarf.h"
|
|
|
|
const char *_libdwarf_errors[] = {
|
|
#define DEFINE_ERROR(N,S) [DWARF_E_##N] = S
|
|
DEFINE_ERROR(NONE, "No Error"),
|
|
DEFINE_ERROR(ERROR, "An error"),
|
|
DEFINE_ERROR(NO_ENTRY, "No entry found"),
|
|
DEFINE_ERROR(ARGUMENT, "Invalid argument"),
|
|
DEFINE_ERROR(DEBUG_INFO, "Debug info NULL"),
|
|
DEFINE_ERROR(MEMORY, "Insufficient memory"),
|
|
DEFINE_ERROR(ELF, "ELF error"),
|
|
DEFINE_ERROR(INVALID_CU, "Invalid compilation unit data"),
|
|
DEFINE_ERROR(CU_VERSION, "Wrong CU version. Only 2 and 3 supported"),
|
|
DEFINE_ERROR(MISSING_ABBREV, "Abbrev not found"),
|
|
DEFINE_ERROR(NOT_IMPLEMENTED, "Unimplemented code at"),
|
|
DEFINE_ERROR(CU_CURRENT, "No current compilation unit"),
|
|
DEFINE_ERROR(BAD_FORM, "Wrong form type for attribute value"),
|
|
DEFINE_ERROR(INVALID_EXPR, "Invalid DWARF expression"),
|
|
DEFINE_ERROR(NUM, "Unknown DWARF error")
|
|
#undef DEFINE_ERROR
|
|
};
|
|
|
|
const char *
|
|
dwarf_errmsg(Dwarf_Error *error)
|
|
{
|
|
const char *p;
|
|
|
|
if (error == NULL)
|
|
return NULL;
|
|
|
|
if (error->err_error < 0 || error->err_error >= DWARF_E_NUM)
|
|
return _libdwarf_errors[DWARF_E_NUM];
|
|
else if (error->err_error == DWARF_E_NONE)
|
|
return _libdwarf_errors[DWARF_E_NONE];
|
|
else
|
|
p = _libdwarf_errors[error->err_error];
|
|
|
|
if (error->err_error == DWARF_E_ELF)
|
|
snprintf(error->err_msg, sizeof(error->err_msg),
|
|
"ELF error : %s [%s(%d)]", elf_errmsg(error->elf_error),
|
|
error->err_func, error->err_line);
|
|
else
|
|
snprintf(error->err_msg, sizeof(error->err_msg),
|
|
"%s [%s(%d)]", p, error->err_func, error->err_line);
|
|
|
|
return (const char *) error->err_msg;
|
|
}
|