1260684Skaiw/*- 2260684Skaiw * Copyright (c) 2007 John Birrell (jb@freebsd.org) 3260684Skaiw * All rights reserved. 4260684Skaiw * 5260684Skaiw * Redistribution and use in source and binary forms, with or without 6260684Skaiw * modification, are permitted provided that the following conditions 7260684Skaiw * are met: 8260684Skaiw * 1. Redistributions of source code must retain the above copyright 9260684Skaiw * notice, this list of conditions and the following disclaimer. 10260684Skaiw * 2. Redistributions in binary form must reproduce the above copyright 11260684Skaiw * notice, this list of conditions and the following disclaimer in the 12260684Skaiw * documentation and/or other materials provided with the distribution. 13260684Skaiw * 14260684Skaiw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15260684Skaiw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16260684Skaiw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17260684Skaiw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18260684Skaiw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19260684Skaiw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20260684Skaiw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21260684Skaiw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22260684Skaiw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23260684Skaiw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24260684Skaiw * SUCH DAMAGE. 25260684Skaiw */ 26260684Skaiw 27260684Skaiw#include "_libdwarf.h" 28260684Skaiw 29276371SemasteELFTC_VCSID("$Id: dwarf_errmsg.c 2975 2014-01-21 20:08:04Z kaiwang27 $"); 30260684Skaiw 31260853Skaiwstatic const char *_libdwarf_errors[] = { 32260684Skaiw#define DEFINE_ERROR(N,S) [DW_DLE_##N] = S 33260684Skaiw DEFINE_ERROR(NONE, "No Error"), 34260684Skaiw DEFINE_ERROR(ERROR, "An error"), 35260684Skaiw DEFINE_ERROR(NO_ENTRY, "No entry found"), 36260684Skaiw DEFINE_ERROR(ARGUMENT, "Invalid argument"), 37260684Skaiw DEFINE_ERROR(DEBUG_INFO_NULL, "Debug info NULL"), 38260684Skaiw DEFINE_ERROR(MEMORY, "Insufficient memory"), 39260684Skaiw DEFINE_ERROR(ELF, "ELF error"), 40260684Skaiw DEFINE_ERROR(CU_LENGTH_ERROR, "Invalid compilation unit data"), 41260684Skaiw DEFINE_ERROR(VERSION_STAMP_ERROR, "Unsupported version"), 42260684Skaiw DEFINE_ERROR(DEBUG_ABBREV_NULL, "Abbrev not found"), 43260684Skaiw DEFINE_ERROR(DIE_NO_CU_CONTEXT, "No current compilation unit"), 44260684Skaiw DEFINE_ERROR(LOC_EXPR_BAD, "Invalid location expression"), 45260684Skaiw DEFINE_ERROR(EXPR_LENGTH_BAD, "Invalid DWARF expression length"), 46260684Skaiw DEFINE_ERROR(DEBUG_LOC_SECTION_SHORT, "Loclist section too short"), 47260684Skaiw DEFINE_ERROR(ATTR_FORM_BAD, "Invalid attribute form"), 48260684Skaiw DEFINE_ERROR(DEBUG_LINE_LENGTH_BAD, "Line info section too short"), 49260684Skaiw DEFINE_ERROR(LINE_FILE_NUM_BAD, "Invalid file number."), 50260684Skaiw DEFINE_ERROR(DIR_INDEX_BAD, "Invalid dir index."), 51260684Skaiw DEFINE_ERROR(DEBUG_FRAME_LENGTH_BAD, "Frame section too short"), 52260684Skaiw DEFINE_ERROR(NO_CIE_FOR_FDE, "FDE without corresponding CIE"), 53260684Skaiw DEFINE_ERROR(FRAME_AUGMENTATION_UNKNOWN, "Unknown CIE augmentation"), 54260684Skaiw DEFINE_ERROR(FRAME_INSTR_EXEC_ERROR, "Frame instruction exec error"), 55260684Skaiw DEFINE_ERROR(FRAME_VERSION_BAD, "Unsupported frame section version"), 56260684Skaiw DEFINE_ERROR(FRAME_TABLE_COL_BAD, "Invalid table column value"), 57260684Skaiw DEFINE_ERROR(DF_REG_NUM_TOO_HIGH, "Register number too large"), 58260684Skaiw DEFINE_ERROR(PC_NOT_IN_FDE_RANGE, "PC requested not in the FDE range"), 59260684Skaiw DEFINE_ERROR(ARANGE_OFFSET_BAD, "Invalid address range offset"), 60260684Skaiw DEFINE_ERROR(DEBUG_MACRO_INCONSISTENT, "Invalid macinfo data"), 61260684Skaiw DEFINE_ERROR(ELF_SECT_ERR, "Application callback failed"), 62260684Skaiw DEFINE_ERROR(NUM, "Unknown DWARF error") 63260684Skaiw#undef DEFINE_ERROR 64260684Skaiw}; 65260684Skaiw 66260684Skaiwconst char * 67260684Skaiwdwarf_errmsg_(Dwarf_Error *error) 68260684Skaiw{ 69260684Skaiw const char *p; 70260684Skaiw 71260684Skaiw if (error == NULL) 72260684Skaiw return NULL; 73260684Skaiw 74260684Skaiw if (error->err_error < 0 || error->err_error >= DW_DLE_NUM) 75260684Skaiw return _libdwarf_errors[DW_DLE_NUM]; 76260684Skaiw else if (error->err_error == DW_DLE_NONE) 77260684Skaiw return _libdwarf_errors[DW_DLE_NONE]; 78260684Skaiw else 79260684Skaiw p = _libdwarf_errors[error->err_error]; 80260684Skaiw 81260684Skaiw if (error->err_error == DW_DLE_ELF) 82260684Skaiw snprintf(error->err_msg, sizeof(error->err_msg), 83260684Skaiw "ELF error : %s [%s(%d)]", elf_errmsg(error->err_elferror), 84260684Skaiw error->err_func, error->err_line); 85260684Skaiw else 86260684Skaiw snprintf(error->err_msg, sizeof(error->err_msg), 87260684Skaiw "%s [%s(%d)]", p, error->err_func, error->err_line); 88260684Skaiw 89260684Skaiw return (const char *) error->err_msg; 90260684Skaiw} 91