summaryrefslogtreecommitdiff
path: root/usr/src/tools/ctf/dwarf/common/pro_arange.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/tools/ctf/dwarf/common/pro_arange.c')
-rw-r--r--usr/src/tools/ctf/dwarf/common/pro_arange.c337
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;
-}