/home/stan/gdb/src/gdb/solib-dsbt.c File Reference

#include "defs.h"
#include "gdb_string.h"
#include "inferior.h"
#include "gdbcore.h"
#include "solib.h"
#include "solist.h"
#include "objfiles.h"
#include "symtab.h"
#include "language.h"
#include "command.h"
#include "gdbcmd.h"
#include "elf-bfd.h"
#include "exceptions.h"
#include "gdb_bfd.h"

Go to the source code of this file.

Classes
struct	ext_elf32_dsbt_loadseg
struct	ext_elf32_dsbt_loadmap
struct	int_elf32_dsbt_loadseg
struct	int_elf32_dsbt_loadmap
struct	ext_elf32_dsbt_loadaddr
struct	ext_link_map
struct	lm_info
struct	dsbt_info
Defines
#define	GOT_MODULE_OFFSET   4
Typedefs
typedef gdb_byte	ext_Elf32_Half [2]
typedef gdb_byte	ext_Elf32_Addr [4]
typedef gdb_byte	ext_Elf32_Word [4]
typedef gdb_byte	ext_ptr [4]
Enumerations
enum	{ TIC6X_PTR_SIZE = 4 }
Functions
static void	dsbt_pspace_data_cleanup (struct program_space *pspace, void *arg)
static struct dsbt_info *	get_dsbt_info (void)
static void	dsbt_print_loadmap (struct int_elf32_dsbt_loadmap *map)
static struct int_elf32_dsbt_loadmap *	decode_loadmap (gdb_byte *buf)
static void	dsbt_get_initial_loadmaps (void)
static struct int_elf32_dsbt_loadmap *	fetch_loadmap (CORE_ADDR ldmaddr)
static void	dsbt_relocate_main_executable (void)
static int	enable_break (void)
static int	scan_dyntag (int dyntag, bfd *abfd, CORE_ADDR *ptr)
static int	open_symbol_file_object (void *from_ttyp)
static CORE_ADDR	displacement_from_map (struct int_elf32_dsbt_loadmap *map, CORE_ADDR addr)
static CORE_ADDR	lm_base (void)
static struct so_list *	dsbt_current_sos (void)
static int	dsbt_in_dynsym_resolve_code (CORE_ADDR pc)
static void	enable_break_failure_warning (void)
static int	cmp_name (asymbol *sym, void *data)
static void	dsbt_special_symbol_handling (void)
static void	dsbt_solib_create_inferior_hook (int from_tty)
static void	dsbt_clear_solib (void)
static void	dsbt_free_so (struct so_list *so)
static void	dsbt_relocate_section_addresses (struct so_list *so, struct target_section *sec)
static void	show_dsbt_debug (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value)
void	_initialize_dsbt_solib (void)
Variables
static unsigned int	solib_dsbt_debug = 0
static struct program_space_data *	solib_dsbt_pspace_data
struct target_so_ops	dsbt_so_ops
initialize_file_ftype	_initialize_dsbt_solib

---

Define Documentation

#define GOT_MODULE_OFFSET   4

Definition at line 35 of file solib-dsbt.c.

Referenced by lm_base().

---

Typedef Documentation

typedef gdb_byte ext_Elf32_Addr[4]

Definition at line 49 of file solib-dsbt.c.

typedef gdb_byte ext_Elf32_Half[2]

Definition at line 48 of file solib-dsbt.c.

typedef gdb_byte ext_Elf32_Word[4]

Definition at line 50 of file solib-dsbt.c.

typedef gdb_byte ext_ptr[4]

Definition at line 105 of file solib-dsbt.c.

---

Enumeration Type Documentation

anonymous enum

Enumerator:

TIC6X_PTR_SIZE

Definition at line 41 of file solib-dsbt.c.

---

Function Documentation

void _initialize_dsbt_solib

(

void

)

Definition at line 1070 of file solib-dsbt.c.

References _, _initialize_dsbt_solib, add_setshow_zuinteger_cmd(), target_so_ops::bfd_open, class_maintenance, target_so_ops::clear_solib, target_so_ops::current_sos, dsbt_clear_solib(), dsbt_current_sos(), dsbt_free_so(), dsbt_in_dynsym_resolve_code(), dsbt_pspace_data_cleanup(), dsbt_relocate_section_addresses(), dsbt_so_ops, dsbt_solib_create_inferior_hook(), dsbt_special_symbol_handling(), target_so_ops::free_so, target_so_ops::in_dynsym_resolve_code, target_so_ops::open_symbol_file_object, open_symbol_file_object(), target_so_ops::relocate_section_addresses, setdebuglist, show_dsbt_debug(), showdebuglist, solib_bfd_open(), target_so_ops::solib_create_inferior_hook, solib_dsbt_debug, solib_dsbt_pspace_data, and target_so_ops::special_symbol_handling.

static int cmp_name	(	asymbol *	sym,
		void *	data
	)		[static]

Definition at line 784 of file solib-dsbt.c.

Referenced by enable_break().

static struct int_elf32_dsbt_loadmap* decode_loadmap

(

gdb_byte *

buf

)

[static, read]

Definition at line 226 of file solib-dsbt.c.

References ext_elf32_dsbt_loadseg::addr, int_elf32_dsbt_loadseg::addr, extract_unsigned_integer(), gdbarch_byte_order(), ext_elf32_dsbt_loadmap::nsegs, int_elf32_dsbt_loadmap::nsegs, ext_elf32_dsbt_loadseg::p_memsz, int_elf32_dsbt_loadseg::p_memsz, ext_elf32_dsbt_loadseg::p_vaddr, int_elf32_dsbt_loadseg::p_vaddr, ext_elf32_dsbt_loadmap::segs, int_elf32_dsbt_loadmap::segs, target_gdbarch(), version, ext_elf32_dsbt_loadmap::version, int_elf32_dsbt_loadmap::version, xfree(), and xmalloc().

Referenced by dsbt_get_initial_loadmaps().

static CORE_ADDR displacement_from_map	(	struct int_elf32_dsbt_loadmap *	map,
		CORE_ADDR	addr
	)		[static]

Definition at line 528 of file solib-dsbt.c.

References int_elf32_dsbt_loadseg::addr, int_elf32_dsbt_loadmap::nsegs, int_elf32_dsbt_loadseg::p_memsz, int_elf32_dsbt_loadseg::p_vaddr, and int_elf32_dsbt_loadmap::segs.

Referenced by enable_break(), and lm_base().

static void dsbt_clear_solib

(

void

)

[static]

Definition at line 1014 of file solib-dsbt.c.

References get_dsbt_info(), dsbt_info::lm_base_cache, dsbt_info::main_executable_lm_info, dsbt_info::main_lm_addr, lm_info::map, and xfree().

Referenced by _initialize_dsbt_solib().

static struct so_list* dsbt_current_sos

(

void

)

[static, read]

Definition at line 633 of file solib-dsbt.c.

References _, core_bfd, dsbt_relocate_main_executable(), extract_unsigned_integer(), fetch_loadmap(), fprintf_unfiltered(), gdb_stdlog, gdbarch_byte_order(), get_dsbt_info(), hex_string_custom(), lm_addr(), lm_base(), so_list::lm_info, dsbt_info::main_executable_lm_info, dsbt_info::main_lm_addr, lm_info::map, so_list::next, safe_strerror(), so_list::so_name, SO_NAME_MAX_PATH_SIZE, so_list::so_original_name, solib_dsbt_debug, target_gdbarch(), target_read_memory(), target_read_string(), warning(), xcalloc(), and xfree().

Referenced by _initialize_dsbt_solib().

static void dsbt_free_so

(

struct so_list *

so

)

[static]

Definition at line 1029 of file solib-dsbt.c.

References so_list::lm_info, lm_info::map, and xfree().

Referenced by _initialize_dsbt_solib().

static void dsbt_get_initial_loadmaps

(

void

)

[static]

Definition at line 292 of file solib-dsbt.c.

References _, current_target, decode_loadmap(), dsbt_print_loadmap(), error(), dsbt_info::exec_loadmap, get_dsbt_info(), dsbt_info::interp_loadmap, solib_dsbt_debug, TARGET_OBJECT_FDPIC, and target_read_alloc().

Referenced by dsbt_relocate_main_executable(), enable_break(), and lm_base().

static int dsbt_in_dynsym_resolve_code

(

CORE_ADDR

pc

)

[static]

Definition at line 761 of file solib-dsbt.c.

References get_dsbt_info(), in_plt_section(), interp_plt_sect_high, dsbt_info::interp_plt_sect_low, interp_text_sect_high, and dsbt_info::interp_text_sect_low.

Referenced by _initialize_dsbt_solib().

static void dsbt_print_loadmap

(

struct int_elf32_dsbt_loadmap *

map

)

[static]

Definition at line 198 of file solib-dsbt.c.

References _, int_elf32_dsbt_loadseg::addr, int_elf32_dsbt_loadmap::nsegs, int_elf32_dsbt_loadseg::p_memsz, int_elf32_dsbt_loadseg::p_vaddr, print_core_address(), printf_filtered(), int_elf32_dsbt_loadmap::segs, target_gdbarch(), and int_elf32_dsbt_loadmap::version.

Referenced by dsbt_get_initial_loadmaps().

static void dsbt_pspace_data_cleanup	(	struct program_space *	pspace,
		void *	arg
	)		[static]

Definition at line 167 of file solib-dsbt.c.

References solib_dsbt_pspace_data, and xfree().

Referenced by _initialize_dsbt_solib().

static void dsbt_relocate_main_executable

(

void

)

[static]

Definition at line 932 of file solib-dsbt.c.

References int_elf32_dsbt_loadseg::addr, ALL_OBJFILE_OSECTIONS, ANOFFSET, do_cleanups(), dsbt_get_initial_loadmaps(), dsbt_info::exec_loadmap, get_dsbt_info(), dsbt_info::main_executable_lm_info, make_cleanup(), lm_info::map, int_elf32_dsbt_loadmap::nsegs, obj_section_addr, objfile_relocate(), offset, section_offsets::offsets, int_elf32_dsbt_loadseg::p_memsz, int_elf32_dsbt_loadseg::p_vaddr, int_elf32_dsbt_loadmap::segs, symfile_objfile, xcalloc(), and xfree().

Referenced by dsbt_current_sos(), and dsbt_solib_create_inferior_hook().

static void dsbt_relocate_section_addresses	(	struct so_list *	so,
		struct target_section *	sec
	)		[static]

Definition at line 1036 of file solib-dsbt.c.

References int_elf32_dsbt_loadseg::addr, target_section::addr, target_section::endaddr, so_list::lm_info, lm_info::map, int_elf32_dsbt_loadmap::nsegs, int_elf32_dsbt_loadseg::p_memsz, int_elf32_dsbt_loadseg::p_vaddr, and int_elf32_dsbt_loadmap::segs.

Referenced by _initialize_dsbt_solib().

static void dsbt_solib_create_inferior_hook

(

int

from_tty

)

[static]

Definition at line 1000 of file solib-dsbt.c.

References _, dsbt_relocate_main_executable(), enable_break(), and warning().

Referenced by _initialize_dsbt_solib().

static void dsbt_special_symbol_handling

(

void

)

[static]

Definition at line 927 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib().

static int enable_break

(

void

)

[static]

Definition at line 798 of file solib-dsbt.c.

References cmp_name(), create_solib_event_breakpoint(), displacement_from_map(), dsbt_get_initial_loadmaps(), enable_break_failure_warning(), exec_bfd, fprintf_unfiltered(), gdb_bfd_lookup_symbol(), gdb_bfd_unref(), gdb_stdlog, gdbarch_byte_order(), get_dsbt_info(), hex_string_custom(), dsbt_info::interp_loadmap, dsbt_info::interp_plt_sect_high, dsbt_info::interp_plt_sect_low, dsbt_info::interp_text_sect_high, dsbt_info::interp_text_sect_low, RETURN_MASK_ALL, solib_bfd_open(), solib_dsbt_debug, target_gdbarch(), target_has_execution, TIC6X_PTR_SIZE, TRY_CATCH, and xfree().

Referenced by dsbt_solib_create_inferior_hook().

static void enable_break_failure_warning

(

void

)

[static]

Definition at line 774 of file solib-dsbt.c.

References _, and warning().

Referenced by enable_break().

static struct int_elf32_dsbt_loadmap* fetch_loadmap

(

CORE_ADDR

ldmaddr

)

[static, read]

Definition at line 325 of file solib-dsbt.c.

References ext_elf32_dsbt_loadseg::addr, int_elf32_dsbt_loadseg::addr, extract_unsigned_integer(), gdbarch_byte_order(), memcpy(), int_elf32_dsbt_loadmap::nsegs, ext_elf32_dsbt_loadseg::p_memsz, int_elf32_dsbt_loadseg::p_memsz, ext_elf32_dsbt_loadseg::p_vaddr, int_elf32_dsbt_loadseg::p_vaddr, ext_elf32_dsbt_loadmap::segs, int_elf32_dsbt_loadmap::segs, target_gdbarch(), target_read_memory(), version, int_elf32_dsbt_loadmap::version, xfree(), and xmalloc().

Referenced by dsbt_current_sos().

static struct dsbt_info * get_dsbt_info

(

void

)

[static, read]

Definition at line 179 of file solib-dsbt.c.

References current_program_space, dsbt_info::lm_base_cache, dsbt_info::main_lm_addr, solib_dsbt_pspace_data, and XZALLOC.

Referenced by dsbt_clear_solib(), dsbt_current_sos(), dsbt_get_initial_loadmaps(), dsbt_in_dynsym_resolve_code(), dsbt_relocate_main_executable(), enable_break(), and lm_base().

static CORE_ADDR lm_base

(

void

)

[static]

Definition at line 553 of file solib-dsbt.c.

References displacement_from_map(), dsbt_get_initial_loadmaps(), exec_bfd, dsbt_info::exec_loadmap, extract_unsigned_integer(), fprintf_unfiltered(), gdb_stdlog, gdbarch_byte_order(), get_dsbt_info(), GOT_MODULE_OFFSET, hex_string_custom(), dsbt_info::lm_base_cache, lookup_minimal_symbol(), dsbt_info::main_executable_lm_info, scan_dyntag(), solib_dsbt_debug, SYMBOL_VALUE_ADDRESS, symfile_objfile, target_gdbarch(), target_read_memory(), and TIC6X_PTR_SIZE.

Referenced by dsbt_current_sos().

static int open_symbol_file_object

(

void *

from_ttyp

)

[static]

Definition at line 518 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib().

static int scan_dyntag	(	int	dyntag,
		bfd *	abfd,
		CORE_ADDR *	ptr
	)		[static]

Definition at line 414 of file solib-dsbt.c.

References target_section::addr, builtin_type::builtin_data_ptr, builtin_type(), current_target_sections, extract_typed_address(), sections_end, target_gdbarch(), target_read_memory(), and target_section::the_bfd_section.

Referenced by lm_base().

static void show_dsbt_debug	(	struct ui_file *	file,
		int	from_tty,
		struct cmd_list_element *	c,
		const char *	value
	)		[static]

Definition at line 1058 of file solib-dsbt.c.

References _, and fprintf_filtered().

Referenced by _initialize_dsbt_solib().

---

Variable Documentation

initialize_file_ftype _initialize_dsbt_solib

Referenced by _initialize_dsbt_solib(), and initialize_all_files().

struct target_so_ops dsbt_so_ops

Definition at line 1064 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib(), and tic6x_uclinux_init_abi().

unsigned int solib_dsbt_debug = 0 [static]

Definition at line 38 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib(), dsbt_current_sos(), dsbt_get_initial_loadmaps(), enable_break(), and lm_base().

struct program_space_data* solib_dsbt_pspace_data [static]

Definition at line 164 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib(), dsbt_pspace_data_cleanup(), and get_dsbt_info().