/* Definitions for targets which report shared library events.
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/* Definitions for targets which report shared library events.
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Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "defs.h"
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#include "objfiles.h"
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#include "objfiles.h"
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#include "solist.h"
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#include "solist.h"
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#include "symtab.h"
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#include "symtab.h"
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#include "symfile.h"
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#include "symfile.h"
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#include "target.h"
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#include "target.h"
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#include "vec.h"
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#include "vec.h"
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#include "solib-target.h"
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#include "solib-target.h"
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#include "gdb_string.h"
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#include "gdb_string.h"
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DEF_VEC_O(CORE_ADDR);
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DEF_VEC_O(CORE_ADDR);
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/* Private data for each loaded library. */
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/* Private data for each loaded library. */
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struct lm_info
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struct lm_info
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{
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{
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/* The library's name. The name is normally kept in the struct
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/* The library's name. The name is normally kept in the struct
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so_list; it is only here during XML parsing. */
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so_list; it is only here during XML parsing. */
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char *name;
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char *name;
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/* The target can either specify segment bases or section bases, not
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/* The target can either specify segment bases or section bases, not
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both. */
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both. */
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/* The base addresses for each independently relocatable segment of
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/* The base addresses for each independently relocatable segment of
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this shared library. */
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this shared library. */
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VEC(CORE_ADDR) *segment_bases;
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VEC(CORE_ADDR) *segment_bases;
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/* The base addresses for each independently allocatable,
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/* The base addresses for each independently allocatable,
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relocatable section of this shared library. */
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relocatable section of this shared library. */
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VEC(CORE_ADDR) *section_bases;
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VEC(CORE_ADDR) *section_bases;
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/* The cached offsets for each section of this shared library,
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/* The cached offsets for each section of this shared library,
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determined from SEGMENT_BASES, or SECTION_BASES. */
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determined from SEGMENT_BASES, or SECTION_BASES. */
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struct section_offsets *offsets;
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struct section_offsets *offsets;
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};
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};
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typedef struct lm_info *lm_info_p;
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typedef struct lm_info *lm_info_p;
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DEF_VEC_P(lm_info_p);
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DEF_VEC_P(lm_info_p);
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#if !defined(HAVE_LIBEXPAT)
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#if !defined(HAVE_LIBEXPAT)
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static VEC(lm_info_p) *
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static VEC(lm_info_p) *
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solib_target_parse_libraries (const char *library)
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solib_target_parse_libraries (const char *library)
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{
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{
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static int have_warned;
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static int have_warned;
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if (!have_warned)
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if (!have_warned)
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{
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{
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have_warned = 1;
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have_warned = 1;
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warning (_("Can not parse XML library list; XML support was disabled "
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warning (_("Can not parse XML library list; XML support was disabled "
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"at compile time"));
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"at compile time"));
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}
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}
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return NULL;
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return NULL;
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}
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}
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#else /* HAVE_LIBEXPAT */
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#else /* HAVE_LIBEXPAT */
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#include "xml-support.h"
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#include "xml-support.h"
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/* Handle the start of a <segment> element. */
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/* Handle the start of a <segment> element. */
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static void
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static void
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library_list_start_segment (struct gdb_xml_parser *parser,
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library_list_start_segment (struct gdb_xml_parser *parser,
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const struct gdb_xml_element *element,
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const struct gdb_xml_element *element,
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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{
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{
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VEC(lm_info_p) **list = user_data;
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VEC(lm_info_p) **list = user_data;
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struct lm_info *last = VEC_last (lm_info_p, *list);
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struct lm_info *last = VEC_last (lm_info_p, *list);
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ULONGEST *address_p = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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ULONGEST *address_p = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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CORE_ADDR address = (CORE_ADDR) *address_p;
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CORE_ADDR address = (CORE_ADDR) *address_p;
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if (last->section_bases != NULL)
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if (last->section_bases != NULL)
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gdb_xml_error (parser,
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gdb_xml_error (parser,
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_("Library list with both segments and sections"));
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_("Library list with both segments and sections"));
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VEC_safe_push (CORE_ADDR, last->segment_bases, &address);
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VEC_safe_push (CORE_ADDR, last->segment_bases, &address);
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}
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}
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static void
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static void
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library_list_start_section (struct gdb_xml_parser *parser,
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library_list_start_section (struct gdb_xml_parser *parser,
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const struct gdb_xml_element *element,
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const struct gdb_xml_element *element,
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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{
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{
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VEC(lm_info_p) **list = user_data;
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VEC(lm_info_p) **list = user_data;
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struct lm_info *last = VEC_last (lm_info_p, *list);
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struct lm_info *last = VEC_last (lm_info_p, *list);
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ULONGEST *address_p = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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ULONGEST *address_p = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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CORE_ADDR address = (CORE_ADDR) *address_p;
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CORE_ADDR address = (CORE_ADDR) *address_p;
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if (last->segment_bases != NULL)
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if (last->segment_bases != NULL)
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gdb_xml_error (parser,
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gdb_xml_error (parser,
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_("Library list with both segments and sections"));
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_("Library list with both segments and sections"));
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VEC_safe_push (CORE_ADDR, last->section_bases, &address);
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VEC_safe_push (CORE_ADDR, last->section_bases, &address);
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}
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}
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/* Handle the start of a <library> element. */
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/* Handle the start of a <library> element. */
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static void
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static void
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library_list_start_library (struct gdb_xml_parser *parser,
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library_list_start_library (struct gdb_xml_parser *parser,
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const struct gdb_xml_element *element,
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const struct gdb_xml_element *element,
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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{
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{
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VEC(lm_info_p) **list = user_data;
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VEC(lm_info_p) **list = user_data;
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struct lm_info *item = XZALLOC (struct lm_info);
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struct lm_info *item = XZALLOC (struct lm_info);
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const char *name = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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const char *name = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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item->name = xstrdup (name);
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item->name = xstrdup (name);
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VEC_safe_push (lm_info_p, *list, item);
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VEC_safe_push (lm_info_p, *list, item);
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}
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}
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static void
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static void
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library_list_end_library (struct gdb_xml_parser *parser,
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library_list_end_library (struct gdb_xml_parser *parser,
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const struct gdb_xml_element *element,
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const struct gdb_xml_element *element,
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void *user_data, const char *body_text)
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void *user_data, const char *body_text)
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{
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{
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VEC(lm_info_p) **list = user_data;
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VEC(lm_info_p) **list = user_data;
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struct lm_info *lm_info = VEC_last (lm_info_p, *list);
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struct lm_info *lm_info = VEC_last (lm_info_p, *list);
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if (lm_info->segment_bases == NULL
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if (lm_info->segment_bases == NULL
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&& lm_info->section_bases == NULL)
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&& lm_info->section_bases == NULL)
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gdb_xml_error (parser,
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gdb_xml_error (parser,
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_("No segment or section bases defined"));
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_("No segment or section bases defined"));
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}
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}
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/* Handle the start of a <library-list> element. */
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/* Handle the start of a <library-list> element. */
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static void
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static void
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library_list_start_list (struct gdb_xml_parser *parser,
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library_list_start_list (struct gdb_xml_parser *parser,
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const struct gdb_xml_element *element,
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const struct gdb_xml_element *element,
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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void *user_data, VEC(gdb_xml_value_s) *attributes)
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{
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{
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char *version = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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char *version = VEC_index (gdb_xml_value_s, attributes, 0)->value;
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if (strcmp (version, "1.0") != 0)
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if (strcmp (version, "1.0") != 0)
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gdb_xml_error (parser,
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gdb_xml_error (parser,
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_("Library list has unsupported version \"%s\""),
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_("Library list has unsupported version \"%s\""),
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version);
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version);
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}
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}
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/* Discard the constructed library list. */
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/* Discard the constructed library list. */
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static void
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static void
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solib_target_free_library_list (void *p)
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solib_target_free_library_list (void *p)
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{
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{
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VEC(lm_info_p) **result = p;
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VEC(lm_info_p) **result = p;
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struct lm_info *info;
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struct lm_info *info;
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int ix;
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int ix;
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for (ix = 0; VEC_iterate (lm_info_p, *result, ix, info); ix++)
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for (ix = 0; VEC_iterate (lm_info_p, *result, ix, info); ix++)
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{
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{
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xfree (info->name);
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xfree (info->name);
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VEC_free (CORE_ADDR, info->segment_bases);
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VEC_free (CORE_ADDR, info->segment_bases);
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VEC_free (CORE_ADDR, info->section_bases);
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VEC_free (CORE_ADDR, info->section_bases);
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xfree (info);
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xfree (info);
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}
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}
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VEC_free (lm_info_p, *result);
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VEC_free (lm_info_p, *result);
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*result = NULL;
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*result = NULL;
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}
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}
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/* The allowed elements and attributes for an XML library list.
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/* The allowed elements and attributes for an XML library list.
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The root element is a <library-list>. */
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The root element is a <library-list>. */
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const struct gdb_xml_attribute segment_attributes[] = {
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const struct gdb_xml_attribute segment_attributes[] = {
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{ "address", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL },
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{ "address", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL },
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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};
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};
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const struct gdb_xml_attribute section_attributes[] = {
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const struct gdb_xml_attribute section_attributes[] = {
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{ "address", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL },
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{ "address", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL },
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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};
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};
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const struct gdb_xml_element library_children[] = {
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const struct gdb_xml_element library_children[] = {
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{ "segment", segment_attributes, NULL,
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{ "segment", segment_attributes, NULL,
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GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
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GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
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library_list_start_segment, NULL },
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library_list_start_segment, NULL },
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{ "section", section_attributes, NULL,
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{ "section", section_attributes, NULL,
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GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
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GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
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library_list_start_section, NULL },
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library_list_start_section, NULL },
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{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
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{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
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};
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};
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const struct gdb_xml_attribute library_attributes[] = {
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const struct gdb_xml_attribute library_attributes[] = {
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{ "name", GDB_XML_AF_NONE, NULL, NULL },
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{ "name", GDB_XML_AF_NONE, NULL, NULL },
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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};
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};
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const struct gdb_xml_element library_list_children[] = {
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const struct gdb_xml_element library_list_children[] = {
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{ "library", library_attributes, library_children,
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{ "library", library_attributes, library_children,
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GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
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GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
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library_list_start_library, library_list_end_library },
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library_list_start_library, library_list_end_library },
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{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
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{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
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};
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};
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const struct gdb_xml_attribute library_list_attributes[] = {
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const struct gdb_xml_attribute library_list_attributes[] = {
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{ "version", GDB_XML_AF_NONE, NULL, NULL },
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{ "version", GDB_XML_AF_NONE, NULL, NULL },
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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{ NULL, GDB_XML_AF_NONE, NULL, NULL }
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};
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};
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const struct gdb_xml_element library_list_elements[] = {
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const struct gdb_xml_element library_list_elements[] = {
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{ "library-list", library_list_attributes, library_list_children,
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{ "library-list", library_list_attributes, library_list_children,
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GDB_XML_EF_NONE, library_list_start_list, NULL },
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GDB_XML_EF_NONE, library_list_start_list, NULL },
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{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
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{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
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};
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};
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static VEC(lm_info_p) *
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static VEC(lm_info_p) *
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solib_target_parse_libraries (const char *library)
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solib_target_parse_libraries (const char *library)
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{
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{
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struct gdb_xml_parser *parser;
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struct gdb_xml_parser *parser;
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VEC(lm_info_p) *result = NULL;
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VEC(lm_info_p) *result = NULL;
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struct cleanup *before_deleting_result, *back_to;
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struct cleanup *before_deleting_result, *back_to;
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back_to = make_cleanup (null_cleanup, NULL);
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back_to = make_cleanup (null_cleanup, NULL);
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parser = gdb_xml_create_parser_and_cleanup (_("target library list"),
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parser = gdb_xml_create_parser_and_cleanup (_("target library list"),
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library_list_elements, &result);
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library_list_elements, &result);
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gdb_xml_use_dtd (parser, "library-list.dtd");
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gdb_xml_use_dtd (parser, "library-list.dtd");
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before_deleting_result = make_cleanup (solib_target_free_library_list,
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before_deleting_result = make_cleanup (solib_target_free_library_list,
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&result);
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&result);
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if (gdb_xml_parse (parser, library) == 0)
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if (gdb_xml_parse (parser, library) == 0)
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/* Parsed successfully, don't need to delete the result. */
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/* Parsed successfully, don't need to delete the result. */
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discard_cleanups (before_deleting_result);
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discard_cleanups (before_deleting_result);
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do_cleanups (back_to);
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do_cleanups (back_to);
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return result;
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return result;
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}
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}
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#endif
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#endif
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static struct so_list *
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static struct so_list *
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solib_target_current_sos (void)
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solib_target_current_sos (void)
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{
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{
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struct so_list *new_solib, *start = NULL, *last = NULL;
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struct so_list *new_solib, *start = NULL, *last = NULL;
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const char *library_document;
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const char *library_document;
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VEC(lm_info_p) *library_list;
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VEC(lm_info_p) *library_list;
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struct lm_info *info;
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struct lm_info *info;
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int ix;
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int ix;
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/* Fetch the list of shared libraries. */
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/* Fetch the list of shared libraries. */
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library_document = target_read_stralloc (¤t_target,
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library_document = target_read_stralloc (¤t_target,
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TARGET_OBJECT_LIBRARIES,
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TARGET_OBJECT_LIBRARIES,
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NULL);
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NULL);
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if (library_document == NULL)
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if (library_document == NULL)
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return NULL;
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return NULL;
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/* Parse the list. */
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/* Parse the list. */
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library_list = solib_target_parse_libraries (library_document);
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library_list = solib_target_parse_libraries (library_document);
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if (library_list == NULL)
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if (library_list == NULL)
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return NULL;
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return NULL;
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|
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/* Build a struct so_list for each entry on the list. */
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/* Build a struct so_list for each entry on the list. */
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for (ix = 0; VEC_iterate (lm_info_p, library_list, ix, info); ix++)
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for (ix = 0; VEC_iterate (lm_info_p, library_list, ix, info); ix++)
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{
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{
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new_solib = XZALLOC (struct so_list);
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new_solib = XZALLOC (struct so_list);
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strncpy (new_solib->so_name, info->name, SO_NAME_MAX_PATH_SIZE - 1);
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strncpy (new_solib->so_name, info->name, SO_NAME_MAX_PATH_SIZE - 1);
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new_solib->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
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new_solib->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
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strncpy (new_solib->so_original_name, info->name,
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strncpy (new_solib->so_original_name, info->name,
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SO_NAME_MAX_PATH_SIZE - 1);
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SO_NAME_MAX_PATH_SIZE - 1);
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new_solib->so_original_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
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new_solib->so_original_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0';
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new_solib->lm_info = info;
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new_solib->lm_info = info;
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|
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/* We no longer need this copy of the name. */
|
/* We no longer need this copy of the name. */
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xfree (info->name);
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xfree (info->name);
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info->name = NULL;
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info->name = NULL;
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|
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/* Add it to the list. */
|
/* Add it to the list. */
|
if (!start)
|
if (!start)
|
last = start = new_solib;
|
last = start = new_solib;
|
else
|
else
|
{
|
{
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last->next = new_solib;
|
last->next = new_solib;
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last = new_solib;
|
last = new_solib;
|
}
|
}
|
}
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}
|
|
|
/* Free the library list, but not its members. */
|
/* Free the library list, but not its members. */
|
VEC_free (lm_info_p, library_list);
|
VEC_free (lm_info_p, library_list);
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|
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return start;
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return start;
|
}
|
}
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static void
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static void
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solib_target_special_symbol_handling (void)
|
solib_target_special_symbol_handling (void)
|
{
|
{
|
/* Nothing needed. */
|
/* Nothing needed. */
|
}
|
}
|
|
|
static void
|
static void
|
solib_target_solib_create_inferior_hook (int from_tty)
|
solib_target_solib_create_inferior_hook (int from_tty)
|
{
|
{
|
/* Nothing needed. */
|
/* Nothing needed. */
|
}
|
}
|
|
|
static void
|
static void
|
solib_target_clear_solib (void)
|
solib_target_clear_solib (void)
|
{
|
{
|
/* Nothing needed. */
|
/* Nothing needed. */
|
}
|
}
|
|
|
static void
|
static void
|
solib_target_free_so (struct so_list *so)
|
solib_target_free_so (struct so_list *so)
|
{
|
{
|
gdb_assert (so->lm_info->name == NULL);
|
gdb_assert (so->lm_info->name == NULL);
|
xfree (so->lm_info->offsets);
|
xfree (so->lm_info->offsets);
|
VEC_free (CORE_ADDR, so->lm_info->segment_bases);
|
VEC_free (CORE_ADDR, so->lm_info->segment_bases);
|
xfree (so->lm_info);
|
xfree (so->lm_info);
|
}
|
}
|
|
|
static void
|
static void
|
solib_target_relocate_section_addresses (struct so_list *so,
|
solib_target_relocate_section_addresses (struct so_list *so,
|
struct target_section *sec)
|
struct target_section *sec)
|
{
|
{
|
int flags = bfd_get_section_flags (sec->bfd, sec->the_bfd_section);
|
int flags = bfd_get_section_flags (sec->bfd, sec->the_bfd_section);
|
CORE_ADDR offset;
|
CORE_ADDR offset;
|
|
|
/* Build the offset table only once per object file. We can not do
|
/* Build the offset table only once per object file. We can not do
|
it any earlier, since we need to open the file first. */
|
it any earlier, since we need to open the file first. */
|
if (so->lm_info->offsets == NULL)
|
if (so->lm_info->offsets == NULL)
|
{
|
{
|
int num_sections = bfd_count_sections (so->abfd);
|
int num_sections = bfd_count_sections (so->abfd);
|
|
|
so->lm_info->offsets = xzalloc (SIZEOF_N_SECTION_OFFSETS (num_sections));
|
so->lm_info->offsets = xzalloc (SIZEOF_N_SECTION_OFFSETS (num_sections));
|
|
|
if (so->lm_info->section_bases)
|
if (so->lm_info->section_bases)
|
{
|
{
|
int i;
|
int i;
|
asection *sect;
|
asection *sect;
|
int num_section_bases
|
int num_section_bases
|
= VEC_length (CORE_ADDR, so->lm_info->section_bases);
|
= VEC_length (CORE_ADDR, so->lm_info->section_bases);
|
int num_alloc_sections = 0;
|
int num_alloc_sections = 0;
|
|
|
for (i = 0, sect = so->abfd->sections;
|
for (i = 0, sect = so->abfd->sections;
|
sect != NULL;
|
sect != NULL;
|
i++, sect = sect->next)
|
i++, sect = sect->next)
|
if ((bfd_get_section_flags (so->abfd, sect) & SEC_ALLOC))
|
if ((bfd_get_section_flags (so->abfd, sect) & SEC_ALLOC))
|
num_alloc_sections++;
|
num_alloc_sections++;
|
|
|
if (num_alloc_sections != num_section_bases)
|
if (num_alloc_sections != num_section_bases)
|
warning (_("\
|
warning (_("\
|
Could not relocate shared library \"%s\": wrong number of ALLOC sections"),
|
Could not relocate shared library \"%s\": wrong number of ALLOC sections"),
|
so->so_name);
|
so->so_name);
|
else
|
else
|
{
|
{
|
int bases_index = 0;
|
int bases_index = 0;
|
int found_range = 0;
|
int found_range = 0;
|
CORE_ADDR *section_bases;
|
CORE_ADDR *section_bases;
|
section_bases = VEC_address (CORE_ADDR,
|
section_bases = VEC_address (CORE_ADDR,
|
so->lm_info->section_bases);
|
so->lm_info->section_bases);
|
|
|
so->addr_low = ~(CORE_ADDR) 0;
|
so->addr_low = ~(CORE_ADDR) 0;
|
so->addr_high = 0;
|
so->addr_high = 0;
|
for (i = 0, sect = so->abfd->sections;
|
for (i = 0, sect = so->abfd->sections;
|
sect != NULL;
|
sect != NULL;
|
i++, sect = sect->next)
|
i++, sect = sect->next)
|
{
|
{
|
if (!(bfd_get_section_flags (so->abfd, sect) & SEC_ALLOC))
|
if (!(bfd_get_section_flags (so->abfd, sect) & SEC_ALLOC))
|
continue;
|
continue;
|
if (bfd_section_size (so->abfd, sect) > 0)
|
if (bfd_section_size (so->abfd, sect) > 0)
|
{
|
{
|
CORE_ADDR low, high;
|
CORE_ADDR low, high;
|
low = section_bases[i];
|
low = section_bases[i];
|
high = low + bfd_section_size (so->abfd, sect) - 1;
|
high = low + bfd_section_size (so->abfd, sect) - 1;
|
|
|
if (low < so->addr_low)
|
if (low < so->addr_low)
|
so->addr_low = low;
|
so->addr_low = low;
|
if (high > so->addr_high)
|
if (high > so->addr_high)
|
so->addr_high = high;
|
so->addr_high = high;
|
gdb_assert (so->addr_low <= so->addr_high);
|
gdb_assert (so->addr_low <= so->addr_high);
|
found_range = 1;
|
found_range = 1;
|
}
|
}
|
so->lm_info->offsets->offsets[i] = section_bases[bases_index];
|
so->lm_info->offsets->offsets[i] = section_bases[bases_index];
|
bases_index++;
|
bases_index++;
|
}
|
}
|
if (!found_range)
|
if (!found_range)
|
so->addr_low = so->addr_high = 0;
|
so->addr_low = so->addr_high = 0;
|
gdb_assert (so->addr_low <= so->addr_high);
|
gdb_assert (so->addr_low <= so->addr_high);
|
}
|
}
|
}
|
}
|
else if (so->lm_info->segment_bases)
|
else if (so->lm_info->segment_bases)
|
{
|
{
|
struct symfile_segment_data *data;
|
struct symfile_segment_data *data;
|
data = get_symfile_segment_data (so->abfd);
|
data = get_symfile_segment_data (so->abfd);
|
if (data == NULL)
|
if (data == NULL)
|
warning (_("\
|
warning (_("\
|
Could not relocate shared library \"%s\": no segments"), so->so_name);
|
Could not relocate shared library \"%s\": no segments"), so->so_name);
|
else
|
else
|
{
|
{
|
ULONGEST orig_delta;
|
ULONGEST orig_delta;
|
int i;
|
int i;
|
int num_bases;
|
int num_bases;
|
CORE_ADDR *segment_bases;
|
CORE_ADDR *segment_bases;
|
|
|
num_bases = VEC_length (CORE_ADDR, so->lm_info->segment_bases);
|
num_bases = VEC_length (CORE_ADDR, so->lm_info->segment_bases);
|
segment_bases = VEC_address (CORE_ADDR,
|
segment_bases = VEC_address (CORE_ADDR,
|
so->lm_info->segment_bases);
|
so->lm_info->segment_bases);
|
|
|
if (!symfile_map_offsets_to_segments (so->abfd, data,
|
if (!symfile_map_offsets_to_segments (so->abfd, data,
|
so->lm_info->offsets,
|
so->lm_info->offsets,
|
num_bases, segment_bases))
|
num_bases, segment_bases))
|
warning (_("\
|
warning (_("\
|
Could not relocate shared library \"%s\": bad offsets"), so->so_name);
|
Could not relocate shared library \"%s\": bad offsets"), so->so_name);
|
|
|
/* Find the range of addresses to report for this library in
|
/* Find the range of addresses to report for this library in
|
"info sharedlibrary". Report any consecutive segments
|
"info sharedlibrary". Report any consecutive segments
|
which were relocated as a single unit. */
|
which were relocated as a single unit. */
|
gdb_assert (num_bases > 0);
|
gdb_assert (num_bases > 0);
|
orig_delta = segment_bases[0] - data->segment_bases[0];
|
orig_delta = segment_bases[0] - data->segment_bases[0];
|
|
|
for (i = 1; i < data->num_segments; i++)
|
for (i = 1; i < data->num_segments; i++)
|
{
|
{
|
/* If we have run out of offsets, assume all
|
/* If we have run out of offsets, assume all
|
remaining segments have the same offset. */
|
remaining segments have the same offset. */
|
if (i >= num_bases)
|
if (i >= num_bases)
|
continue;
|
continue;
|
|
|
/* If this segment does not have the same offset, do
|
/* If this segment does not have the same offset, do
|
not include it in the library's range. */
|
not include it in the library's range. */
|
if (segment_bases[i] - data->segment_bases[i] != orig_delta)
|
if (segment_bases[i] - data->segment_bases[i] != orig_delta)
|
break;
|
break;
|
}
|
}
|
|
|
so->addr_low = segment_bases[0];
|
so->addr_low = segment_bases[0];
|
so->addr_high = (data->segment_bases[i - 1]
|
so->addr_high = (data->segment_bases[i - 1]
|
+ data->segment_sizes[i - 1]
|
+ data->segment_sizes[i - 1]
|
+ orig_delta);
|
+ orig_delta);
|
gdb_assert (so->addr_low <= so->addr_high);
|
gdb_assert (so->addr_low <= so->addr_high);
|
|
|
free_symfile_segment_data (data);
|
free_symfile_segment_data (data);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
offset = so->lm_info->offsets->offsets[sec->the_bfd_section->index];
|
offset = so->lm_info->offsets->offsets[sec->the_bfd_section->index];
|
sec->addr += offset;
|
sec->addr += offset;
|
sec->endaddr += offset;
|
sec->endaddr += offset;
|
}
|
}
|
|
|
static int
|
static int
|
solib_target_open_symbol_file_object (void *from_ttyp)
|
solib_target_open_symbol_file_object (void *from_ttyp)
|
{
|
{
|
/* We can't locate the main symbol file based on the target's
|
/* We can't locate the main symbol file based on the target's
|
knowledge; the user has to specify it. */
|
knowledge; the user has to specify it. */
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
solib_target_in_dynsym_resolve_code (CORE_ADDR pc)
|
solib_target_in_dynsym_resolve_code (CORE_ADDR pc)
|
{
|
{
|
/* We don't have a range of addresses for the dynamic linker; there
|
/* We don't have a range of addresses for the dynamic linker; there
|
may not be one in the program's address space. So only report
|
may not be one in the program's address space. So only report
|
PLT entries (which may be import stubs). */
|
PLT entries (which may be import stubs). */
|
return in_plt_section (pc, NULL);
|
return in_plt_section (pc, NULL);
|
}
|
}
|
|
|
struct target_so_ops solib_target_so_ops;
|
struct target_so_ops solib_target_so_ops;
|
|
|
extern initialize_file_ftype _initialize_solib_target; /* -Wmissing-prototypes */
|
extern initialize_file_ftype _initialize_solib_target; /* -Wmissing-prototypes */
|
|
|
void
|
void
|
_initialize_solib_target (void)
|
_initialize_solib_target (void)
|
{
|
{
|
solib_target_so_ops.relocate_section_addresses
|
solib_target_so_ops.relocate_section_addresses
|
= solib_target_relocate_section_addresses;
|
= solib_target_relocate_section_addresses;
|
solib_target_so_ops.free_so = solib_target_free_so;
|
solib_target_so_ops.free_so = solib_target_free_so;
|
solib_target_so_ops.clear_solib = solib_target_clear_solib;
|
solib_target_so_ops.clear_solib = solib_target_clear_solib;
|
solib_target_so_ops.solib_create_inferior_hook
|
solib_target_so_ops.solib_create_inferior_hook
|
= solib_target_solib_create_inferior_hook;
|
= solib_target_solib_create_inferior_hook;
|
solib_target_so_ops.special_symbol_handling
|
solib_target_so_ops.special_symbol_handling
|
= solib_target_special_symbol_handling;
|
= solib_target_special_symbol_handling;
|
solib_target_so_ops.current_sos = solib_target_current_sos;
|
solib_target_so_ops.current_sos = solib_target_current_sos;
|
solib_target_so_ops.open_symbol_file_object
|
solib_target_so_ops.open_symbol_file_object
|
= solib_target_open_symbol_file_object;
|
= solib_target_open_symbol_file_object;
|
solib_target_so_ops.in_dynsym_resolve_code
|
solib_target_so_ops.in_dynsym_resolve_code
|
= solib_target_in_dynsym_resolve_code;
|
= solib_target_in_dynsym_resolve_code;
|
solib_target_so_ops.bfd_open = solib_bfd_open;
|
solib_target_so_ops.bfd_open = solib_bfd_open;
|
}
|
}
|
|
|
