/tmp/gdb-8.1/gdb/solib-dsbt.c File Reference

#include "defs.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 "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_dsbt
struct	dsbt_info

Macros
#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 (int from_tty)
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 (const asymbol *sym, const void *data)
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 const struct program_space_data *	solib_dsbt_pspace_data
struct target_so_ops	dsbt_so_ops

Macro Definition Documentation

GOT_MODULE_OFFSET

#define GOT_MODULE_OFFSET   4

Definition at line 33 of file solib-dsbt.c.

Referenced by lm_base().

Typedef Documentation

ext_Elf32_Addr

typedef gdb_byte ext_Elf32_Addr[4]

Definition at line 47 of file solib-dsbt.c.

ext_Elf32_Half

typedef gdb_byte ext_Elf32_Half[2]

Definition at line 46 of file solib-dsbt.c.

ext_Elf32_Word

typedef gdb_byte ext_Elf32_Word[4]

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

ext_ptr

typedef gdb_byte ext_ptr[4]

Definition at line 103 of file solib-dsbt.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TIC6X_PTR_SIZE

Definition at line 39 of file solib-dsbt.c.

Function Documentation

_initialize_dsbt_solib()

void _initialize_dsbt_solib

(

void

)

Definition at line 1052 of file solib-dsbt.c.

References _, 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(), 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, and solib_dsbt_pspace_data.

cmp_name()

static int cmp_name ( const asymbol *  sym, const void *  data  )

static

Definition at line 780 of file solib-dsbt.c.

Referenced by enable_break().

decode_loadmap()

static struct int_elf32_dsbt_loadmap* decode_loadmap ( gdb_byte *  buf )

static

Definition at line 227 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().

displacement_from_map()

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

static

Definition at line 523 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().

dsbt_clear_solib()

static void dsbt_clear_solib ( void  )

static

Definition at line 1002 of file solib-dsbt.c.

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

Referenced by _initialize_dsbt_solib().

dsbt_current_sos()

static struct so_list* dsbt_current_sos ( void  )

static

Definition at line 628 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_dsbt::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(), XCNEW, and xfree().

Referenced by _initialize_dsbt_solib().

dsbt_free_so()

static void dsbt_free_so ( struct so_list *  so )

static

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

References so_list::lm_info.

Referenced by _initialize_dsbt_solib().

dsbt_get_initial_loadmaps()

static void dsbt_get_initial_loadmaps ( void  )

static

Definition at line 293 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().

dsbt_in_dynsym_resolve_code()

static int dsbt_in_dynsym_resolve_code ( CORE_ADDR  pc )

static

Definition at line 757 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().

dsbt_print_loadmap()

static void dsbt_print_loadmap ( struct int_elf32_dsbt_loadmap *  map )

static

Definition at line 199 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().

dsbt_pspace_data_cleanup()

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

static

Definition at line 170 of file solib-dsbt.c.

References xfree().

Referenced by _initialize_dsbt_solib().

dsbt_relocate_main_executable()

static void dsbt_relocate_main_executable ( void  )

static

Definition at line 920 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_dsbt::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, XCNEWVEC, and xfree().

Referenced by dsbt_current_sos(), and dsbt_solib_create_inferior_hook().

dsbt_relocate_section_addresses()

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

static

Definition at line 1022 of file solib-dsbt.c.

References int_elf32_dsbt_loadseg::addr, target_section::addr, target_section::endaddr, so_list::lm_info, lm_info_dsbt::map, and int_elf32_dsbt_loadmap::segs.

Referenced by _initialize_dsbt_solib().

dsbt_solib_create_inferior_hook()

static void dsbt_solib_create_inferior_hook ( int  from_tty )

static

Definition at line 988 of file solib-dsbt.c.

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

Referenced by _initialize_dsbt_solib().

enable_break()

static int enable_break ( void  )

static

Definition at line 794 of file solib-dsbt.c.

References CATCH, cmp_name(), create_solib_event_breakpoint(), displacement_from_map(), dsbt_get_initial_loadmaps(), enable_break_failure_warning(), END_CATCH, exec_bfd, fprintf_unfiltered(), gdb_bfd_lookup_symbol(), gdb_stdlog, gdb::ref_ptr< T, Policy >::get(), 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, TRY, and xfree().

Referenced by dsbt_solib_create_inferior_hook().

enable_break_failure_warning()

static void enable_break_failure_warning ( void  )

static

Definition at line 770 of file solib-dsbt.c.

References _, and warning().

Referenced by enable_break().

fetch_loadmap()

static struct int_elf32_dsbt_loadmap* fetch_loadmap ( CORE_ADDR  ldmaddr )

static

Definition at line 326 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(), target_read_memory(), version, int_elf32_dsbt_loadmap::version, xfree(), and xmalloc().

Referenced by dsbt_current_sos().

get_dsbt_info()

static struct dsbt_info * get_dsbt_info ( void  )

static

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 XCNEW.

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().

lm_base()

static CORE_ADDR lm_base ( void  )

static

Definition at line 548 of file solib-dsbt.c.

References BMSYMBOL_VALUE_ADDRESS, 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, bound_minimal_symbol::minsym, scan_dyntag(), solib_dsbt_debug, symfile_objfile, target_gdbarch(), target_read_memory(), and TIC6X_PTR_SIZE.

Referenced by dsbt_current_sos().

open_symbol_file_object()

static int open_symbol_file_object ( int  from_tty )

static

Definition at line 513 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib().

scan_dyntag()

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

static

Definition at line 415 of file solib-dsbt.c.

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

Referenced by lm_base().

show_dsbt_debug()

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

static

Definition at line 1043 of file solib-dsbt.c.

References _, and fprintf_filtered().

Referenced by _initialize_dsbt_solib().

Variable Documentation

dsbt_so_ops

struct target_so_ops dsbt_so_ops

Definition at line 1049 of file solib-dsbt.c.

Referenced by _initialize_dsbt_solib(), and tic6x_uclinux_init_abi().

solib_dsbt_debug

unsigned int solib_dsbt_debug = 0

static

Definition at line 36 of file solib-dsbt.c.

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

solib_dsbt_pspace_data

const struct program_space_data* solib_dsbt_pspace_data

static

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

Referenced by _initialize_dsbt_solib(), and get_dsbt_info().