diff options
Diffstat (limited to 'usr/src/tools/ctf/dwarf/common/pro_arange.c')
-rw-r--r-- | usr/src/tools/ctf/dwarf/common/pro_arange.c | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/usr/src/tools/ctf/dwarf/common/pro_arange.c b/usr/src/tools/ctf/dwarf/common/pro_arange.c deleted file mode 100644 index 4e5c37795c..0000000000 --- a/usr/src/tools/ctf/dwarf/common/pro_arange.c +++ /dev/null @@ -1,337 +0,0 @@ -/* - - Copyright (C) 2000,2004 Silicon Graphics, Inc. All Rights Reserved. - - This program is free software; you can redistribute it and/or modify it - under the terms of version 2.1 of the GNU Lesser General Public License - as published by the Free Software Foundation. - - This program is distributed in the hope that it would be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - - Further, this software is distributed without any warranty that it is - free of the rightful claim of any third person regarding infringement - or the like. Any license provided herein, whether implied or - otherwise, applies only to this software file. Patent licenses, if - any, provided herein do not apply to combinations of this program with - other software, or any other product whatsoever. - - You should have received a copy of the GNU Lesser General Public - License along with this program; if not, write the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, - USA. - - Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, - Mountain View, CA 94043, or: - - http://www.sgi.com - - For further information regarding this notice, see: - - http://oss.sgi.com/projects/GenInfo/NoticeExplan - -*/ - - - -#include "config.h" -#include "libdwarfdefs.h" -#include <stdio.h> -#include <string.h> -#ifdef HAVE_ELFACCESS_H -#include <elfaccess.h> -#endif -#include "pro_incl.h" -#include "pro_arange.h" -#include "pro_section.h" -#include "pro_reloc.h" - - - -/* - This function adds another address range - to the list of address ranges for the - given Dwarf_P_Debug. It returns 0 on error, - and 1 otherwise. -*/ -Dwarf_Unsigned -dwarf_add_arange(Dwarf_P_Debug dbg, - Dwarf_Addr begin_address, - Dwarf_Unsigned length, - Dwarf_Signed symbol_index, Dwarf_Error * error) -{ - return dwarf_add_arange_b(dbg, begin_address, length, symbol_index, - /* end_symbol_index */ 0, - /* offset_from_end_sym */ 0, - error); -} - -/* - This function adds another address range - to the list of address ranges for the - given Dwarf_P_Debug. It returns 0 on error, - and 1 otherwise. -*/ -Dwarf_Unsigned -dwarf_add_arange_b(Dwarf_P_Debug dbg, - Dwarf_Addr begin_address, - Dwarf_Unsigned length, - Dwarf_Unsigned symbol_index, - Dwarf_Unsigned end_symbol_index, - Dwarf_Addr offset_from_end_sym, Dwarf_Error * error) -{ - Dwarf_P_Arange arange; - - if (dbg == NULL) { - _dwarf_p_error(NULL, error, DW_DLE_DBG_NULL); - return (0); - } - - arange = (Dwarf_P_Arange) - _dwarf_p_get_alloc(dbg, sizeof(struct Dwarf_P_Arange_s)); - if (arange == NULL) { - _dwarf_p_error(dbg, error, DW_DLE_ALLOC_FAIL); - return (0); - } - - arange->ag_begin_address = begin_address; - arange->ag_length = length; - arange->ag_symbol_index = symbol_index; - arange->ag_end_symbol_index = end_symbol_index; - arange->ag_end_symbol_offset = offset_from_end_sym; - - if (dbg->de_arange == NULL) - dbg->de_arange = dbg->de_last_arange = arange; - else { - dbg->de_last_arange->ag_next = arange; - dbg->de_last_arange = arange; - } - dbg->de_arange_count++; - - return (1); -} - - -int -_dwarf_transform_arange_to_disk(Dwarf_P_Debug dbg, Dwarf_Error * error) -{ - /* Total num of bytes in .debug_aranges section. */ - Dwarf_Unsigned arange_num_bytes; - - /* - Adjustment to align the start of the actual address ranges on a - boundary aligned with twice the address size. */ - Dwarf_Small remainder; - - /* Total number of bytes excluding the length field. */ - Dwarf_Unsigned adjusted_length; - - /* Points to first byte of .debug_aranges buffer. */ - Dwarf_Small *arange; - - /* Fills in the .debug_aranges buffer. */ - Dwarf_Small *arange_ptr; - - /* Scans the list of address ranges provided by user. */ - Dwarf_P_Arange given_arange; - - /* Used to fill in 0. */ - const Dwarf_Signed big_zero = 0; - - int extension_word_size = dbg->de_64bit_extension ? 4 : 0; - int uword_size = dbg->de_offset_size; - int upointer_size = dbg->de_pointer_size; - int res; - - - /* ***** BEGIN CODE ***** */ - - /* Size of the .debug_aranges section header. */ - arange_num_bytes = extension_word_size + uword_size + /* Size - of - length - field. - */ - sizeof(Dwarf_Half) + /* Size of version field. */ - uword_size + /* Size of .debug_info offset. */ - sizeof(Dwarf_Small) + /* Size of address size field. */ - sizeof(Dwarf_Small); /* Size of segment size field. */ - - /* - Adjust the size so that the set of aranges begins on a boundary - that aligned with twice the address size. This is a Libdwarf - requirement. */ - remainder = arange_num_bytes % (2 * upointer_size); - if (remainder != 0) - arange_num_bytes += (2 * upointer_size) - remainder; - - - /* Add the bytes for the actual address ranges. */ - arange_num_bytes += upointer_size * 2 * (dbg->de_arange_count + 1); - - GET_CHUNK(dbg, dbg->de_elf_sects[DEBUG_ARANGES], - arange, (unsigned long) arange_num_bytes, error); - arange_ptr = arange; - if (arange == NULL) { - _dwarf_p_error(dbg, error, DW_DLE_ALLOC_FAIL); - return (0); - } - if (extension_word_size) { - Dwarf_Word x = DISTINGUISHED_VALUE; - - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &x, - sizeof(x), extension_word_size); - arange_ptr += extension_word_size; - } - - /* Write the total length of .debug_aranges section. */ - adjusted_length = arange_num_bytes - uword_size - - extension_word_size; - { - Dwarf_Unsigned du = adjusted_length; - - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &du, sizeof(du), uword_size); - arange_ptr += uword_size; - } - - /* Write the version as 2 bytes. */ - { - Dwarf_Half verstamp = CURRENT_VERSION_STAMP; - - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &verstamp, - sizeof(verstamp), sizeof(Dwarf_Half)); - arange_ptr += sizeof(Dwarf_Half); - } - - - /* Write the .debug_info offset. This is always 0. */ - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &big_zero, - sizeof(big_zero), uword_size); - arange_ptr += uword_size; - - { - unsigned long count = dbg->de_arange_count + 1; - int res; - - if (dbg->de_reloc_pair) { - count = (3 * dbg->de_arange_count) + 1; - } - /* the following is a small optimization: not needed for - correctness */ - res = _dwarf_pro_pre_alloc_n_reloc_slots(dbg, - DEBUG_ARANGES, count); - if (res != DW_DLV_OK) { - { - _dwarf_p_error(dbg, error, DW_DLE_ALLOC_FAIL); - return (0); - } - } - } - - /* reloc for .debug_info */ - res = dbg->de_reloc_name(dbg, - DEBUG_ARANGES, - extension_word_size + - uword_size + sizeof(Dwarf_Half), - dbg->de_sect_name_idx[DEBUG_INFO], - dwarf_drt_data_reloc, uword_size); - - /* Write the size of addresses. */ - *arange_ptr = dbg->de_pointer_size; - arange_ptr++; - - /* - Write the size of segment addresses. This is zero for MIPS - architectures. */ - *arange_ptr = 0; - arange_ptr++; - - /* - Skip over the padding to align the start of the actual address - ranges to twice the address size. */ - if (remainder != 0) - arange_ptr += (2 * upointer_size) - remainder; - - - - - - /* The arange address, length are pointer-size fields of the target - machine. */ - for (given_arange = dbg->de_arange; given_arange != NULL; - given_arange = given_arange->ag_next) { - - /* Write relocation record for beginning of address range. */ - res = dbg->de_reloc_name(dbg, DEBUG_ARANGES, arange_ptr - arange, /* r_offset - */ - (long) given_arange->ag_symbol_index, - dwarf_drt_data_reloc, upointer_size); - if (res != DW_DLV_OK) { - { - _dwarf_p_error(dbg, error, DW_DLE_ALLOC_FAIL); - return (0); - } - } - - /* Copy beginning address of range. */ - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &given_arange->ag_begin_address, - sizeof(given_arange->ag_begin_address), - upointer_size); - arange_ptr += upointer_size; - - if (dbg->de_reloc_pair && - given_arange->ag_end_symbol_index != 0 && - given_arange->ag_length == 0) { - /* symbolic reloc, need reloc for length What if we really - know the length? If so, should use the other part of - 'if'. */ - Dwarf_Unsigned val; - - res = dbg->de_reloc_pair(dbg, DEBUG_ARANGES, arange_ptr - arange, /* r_offset - */ - given_arange->ag_symbol_index, - given_arange->ag_end_symbol_index, - dwarf_drt_first_of_length_pair, - upointer_size); - if (res != DW_DLV_OK) { - { - _dwarf_p_error(dbg, error, DW_DLE_ALLOC_FAIL); - return (0); - } - } - - /* arrange pre-calc so assem text can do .word end - begin - + val (gets val from stream) */ - val = given_arange->ag_end_symbol_offset - - given_arange->ag_begin_address; - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &val, - sizeof(val), upointer_size); - arange_ptr += upointer_size; - - } else { - /* plain old length to copy, no relocation at all */ - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &given_arange->ag_length, - sizeof(given_arange->ag_length), - upointer_size); - arange_ptr += upointer_size; - } - } - - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &big_zero, - sizeof(big_zero), upointer_size); - - arange_ptr += upointer_size; - WRITE_UNALIGNED(dbg, (void *) arange_ptr, - (const void *) &big_zero, - sizeof(big_zero), upointer_size); - return (int) dbg->de_n_debug_sect; -} |