/tmp/gdb-8.1/gdb/rs6000-aix-tdep.c File Reference

#include "defs.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "gdbtypes.h"
#include "gdbcore.h"
#include "target.h"
#include "value.h"
#include "infcall.h"
#include "objfiles.h"
#include "breakpoint.h"
#include "rs6000-tdep.h"
#include "ppc-tdep.h"
#include "rs6000-aix-tdep.h"
#include "xcoffread.h"
#include "solib.h"
#include "solib-aix.h"
#include "target-float.h"
#include "xml-utils.h"

Go to the source code of this file.

Classes
struct	field_info
struct	ld_info_desc
struct	ld_info

Macros
#define	SIG_FRAME_PC_OFFSET   96
#define	SIG_FRAME_LR_OFFSET   108
#define	SIG_FRAME_FP_OFFSET   284

Functions
static void	rs6000_aix_supply_regset (const struct regset *regset, struct regcache *regcache, int regnum, const void *gregs, size_t len)
static void	rs6000_aix_collect_regset (const struct regset *regset, const struct regcache *regcache, int regnum, void *gregs, size_t len)
static void	rs6000_aix_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache)
static CORE_ADDR	rs6000_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr)
static enum return_value_convention	rs6000_return_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf)
static CORE_ADDR	rs6000_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ)
static CORE_ADDR	branch_dest (struct regcache *regcache, int opcode, int instr, CORE_ADDR pc, CORE_ADDR safety)
static std::vector< CORE_ADDR >	rs6000_software_single_step (struct regcache *regcache)
static const char *	rs6000_aix_auto_wide_charset (void)
static enum gdb_osabi	rs6000_aix_osabi_sniffer (bfd *abfd)
static struct ld_info	rs6000_aix_extract_ld_info (struct gdbarch *gdbarch, const gdb_byte *ldi_buf)
static void	rs6000_aix_shared_library_to_xml (struct ld_info *ldi, struct obstack *obstack)
ULONGEST	rs6000_aix_ld_info_to_xml (struct gdbarch *gdbarch, const gdb_byte *ldi_buf, gdb_byte *readbuf, ULONGEST offset, ULONGEST len, int close_ldinfo_fd)
static ULONGEST	rs6000_aix_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static void	rs6000_aix_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
void	_initialize_rs6000_aix_tdep (void)

Variables
static struct ppc_reg_offsets	rs6000_aix32_reg_offsets
static struct ppc_reg_offsets	rs6000_aix64_reg_offsets
static const struct regset	rs6000_aix32_regset
static const struct regset	rs6000_aix64_regset
static const struct ld_info_desc	ld_info32_desc
static const struct ld_info_desc	ld_info64_desc

Macro Definition Documentation

SIG_FRAME_FP_OFFSET

#define SIG_FRAME_FP_OFFSET   284

Definition at line 51 of file rs6000-aix-tdep.c.

SIG_FRAME_LR_OFFSET

#define SIG_FRAME_LR_OFFSET   108

Definition at line 50 of file rs6000-aix-tdep.c.

SIG_FRAME_PC_OFFSET

#define SIG_FRAME_PC_OFFSET   96

Definition at line 49 of file rs6000-aix-tdep.c.

Referenced by branch_dest().

Function Documentation

_initialize_rs6000_aix_tdep()

void _initialize_rs6000_aix_tdep

(

void

)

Definition at line 1089 of file rs6000-aix-tdep.c.

References GDB_OSABI_AIX, gdbarch_register_osabi(), gdbarch_register_osabi_sniffer(), rs6000_aix_init_osabi(), and rs6000_aix_osabi_sniffer().

branch_dest()

static CORE_ADDR branch_dest ( struct regcache *  regcache, int  opcode, int  instr, CORE_ADDR  pc, CORE_ADDR  safety  )

static

Definition at line 600 of file rs6000-aix-tdep.c.

References AIX_TEXT_SEGMENT_BASE, regcache::arch(), gdbarch_byte_order(), gdbarch_tdep(), get_current_frame(), get_frame_base(), gdbarch_tdep::pc, gdbarch_tdep::ppc_ctr_regnum, gdbarch_tdep::ppc_lr_regnum, read_memory_unsigned_integer(), regcache_raw_get_unsigned(), SIG_FRAME_PC_OFFSET, and gdbarch_tdep::wordsize.

Referenced by rs6000_software_single_step().

rs6000_aix_auto_wide_charset()

static const char* rs6000_aix_auto_wide_charset ( void  )

static

Definition at line 719 of file rs6000-aix-tdep.c.

Referenced by rs6000_aix_init_osabi().

rs6000_aix_collect_regset()

static void rs6000_aix_collect_regset ( const struct regset *  regset, const struct regcache *  regcache, int  regnum, void *  gregs, size_t  len  )

static

Definition at line 126 of file rs6000-aix-tdep.c.

References ppc_collect_fpregset(), ppc_collect_gregset(), and regnum.

rs6000_aix_core_xfer_shared_libraries_aix()

static ULONGEST rs6000_aix_core_xfer_shared_libraries_aix ( struct gdbarch *  gdbarch, gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 1003 of file rs6000-aix-tdep.c.

References _, core_bfd, do_cleanups(), error(), make_cleanup(), offset, rs6000_aix_ld_info_to_xml(), xfree(), and xmalloc().

Referenced by rs6000_aix_init_osabi().

rs6000_aix_extract_ld_info()

static struct ld_info rs6000_aix_extract_ld_info ( struct gdbarch *  gdbarch, const gdb_byte *  ldi_buf  )

static

Definition at line 869 of file rs6000-aix-tdep.c.

References builtin_type::builtin_data_ptr, builtin_type(), ld_info::dataorg, ld_info::datasize, extract_signed_integer(), extract_typed_address(), extract_unsigned_integer(), ld_info::fd, ld_info::filename, gdbarch_byte_order(), gdbarch_tdep(), ld_info32_desc, ld_info64_desc, ld_info_desc::ldinfo_dataorg, ld_info_desc::ldinfo_datasize, ld_info_desc::ldinfo_fd, ld_info_desc::ldinfo_filename, ld_info_desc::ldinfo_next, ld_info_desc::ldinfo_textorg, ld_info_desc::ldinfo_textsize, ld_info::member_name, ld_info::next, field_info::offset, field_info::size, ld_info::textorg, ld_info::textsize, and gdbarch_tdep::wordsize.

Referenced by rs6000_aix_ld_info_to_xml().

rs6000_aix_init_osabi()

static void rs6000_aix_init_osabi ( struct gdbarch_info  info, struct gdbarch *  gdbarch  )

static

Definition at line 1036 of file rs6000-aix-tdep.c.

References gdbarch_tdep(), gdbarch_tdep::lr_frame_offset, rs6000_aix_auto_wide_charset(), rs6000_aix_core_xfer_shared_libraries_aix(), rs6000_aix_iterate_over_regset_sections(), rs6000_convert_from_func_ptr_addr(), rs6000_push_dummy_call(), rs6000_return_value(), rs6000_software_single_step(), set_gdbarch_auto_wide_charset(), set_gdbarch_convert_from_func_ptr_addr(), set_gdbarch_core_xfer_shared_libraries_aix(), set_gdbarch_displaced_step_copy_insn(), set_gdbarch_displaced_step_fixup(), set_gdbarch_displaced_step_location(), set_gdbarch_frame_red_zone_size(), set_gdbarch_iterate_over_regset_sections(), set_gdbarch_long_double_bit(), set_gdbarch_push_dummy_call(), set_gdbarch_return_value(), set_gdbarch_software_single_step(), set_gdbarch_wchar_bit(), set_gdbarch_wchar_signed(), set_solib_ops(), solib_aix_so_ops, TARGET_CHAR_BIT, and gdbarch_tdep::wordsize.

Referenced by _initialize_rs6000_aix_tdep().

rs6000_aix_iterate_over_regset_sections()

static void rs6000_aix_iterate_over_regset_sections ( struct gdbarch *  gdbarch, iterate_over_regset_sections_cb *  cb, void *  cb_data, const struct regcache *  regcache  )

static

Definition at line 153 of file rs6000-aix-tdep.c.

References rs6000_aix32_regset, rs6000_aix64_regset, and wordsize.

Referenced by rs6000_aix_init_osabi().

rs6000_aix_ld_info_to_xml()

ULONGEST rs6000_aix_ld_info_to_xml	(	struct gdbarch *	gdbarch,
		const gdb_byte *	ldi_buf,
		gdb_byte *	readbuf,
		ULONGEST	offset,
		ULONGEST	len,
		int	close_ldinfo_fd
	)

Definition at line 959 of file rs6000-aix-tdep.c.

References ld_info::fd, ld_info::next, obstack_grow_str, obstack_grow_str0, offset, rs6000_aix_extract_ld_info(), and rs6000_aix_shared_library_to_xml().

Referenced by rs6000_aix_core_xfer_shared_libraries_aix(), and rs6000_xfer_shared_libraries().

rs6000_aix_osabi_sniffer()

static enum gdb_osabi rs6000_aix_osabi_sniffer ( bfd *  abfd )

static

Definition at line 732 of file rs6000-aix-tdep.c.

References gdb_assert, GDB_OSABI_AIX, GDB_OSABI_UNKNOWN, and xcoff_get_n_import_files().

Referenced by _initialize_rs6000_aix_tdep().

rs6000_aix_shared_library_to_xml()

static void rs6000_aix_shared_library_to_xml ( struct ld_info *  ldi, struct obstack *  obstack  )

static

Definition at line 908 of file rs6000-aix-tdep.c.

References core_addr_to_string(), ld_info::dataorg, ld_info::datasize, ld_info::filename, ld_info::member_name, obstack_grow_str, pulongest(), string, ld_info::textorg, ld_info::textsize, and xml_escape_text().

Referenced by rs6000_aix_ld_info_to_xml().

rs6000_aix_supply_regset()

static void rs6000_aix_supply_regset ( const struct regset *  regset, struct regcache *  regcache, int  regnum, const void *  gregs, size_t  len  )

static

Definition at line 112 of file rs6000-aix-tdep.c.

References ppc_supply_fpregset(), ppc_supply_gregset(), and regnum.

rs6000_convert_from_func_ptr_addr()

static CORE_ADDR rs6000_convert_from_func_ptr_addr ( struct gdbarch *  gdbarch, CORE_ADDR  addr, struct target_ops *  targ  )

static

Definition at line 555 of file rs6000-aix-tdep.c.

References CATCH, END_CATCH, find_pc_section(), gdbarch_byte_order(), gdbarch_tdep(), read_memory_unsigned_integer(), RETURN_MASK_ERROR, obj_section::the_bfd_section, TRY, and gdbarch_tdep::wordsize.

Referenced by rs6000_aix_init_osabi().

rs6000_push_dummy_call()

static CORE_ADDR rs6000_push_dummy_call ( struct gdbarch *  gdbarch, struct value *  function, struct regcache *  regcache, CORE_ADDR  bp_addr, int  nargs, struct value **  args, CORE_ADDR  sp, int  struct_return, CORE_ADDR  struct_addr  )

static

Definition at line 182 of file rs6000-aix-tdep.c.

References check_typedef(), find_function_addr(), fp_regnum, gdb_assert, gdbarch_byte_order(), gdbarch_sp_regnum(), gdbarch_tdep(), memset(), ppc_floating_point_unit_p(), gdbarch_tdep::ppc_fp0_regnum, gdbarch_tdep::ppc_gp0_regnum, gdbarch_tdep::ppc_lr_regnum, PPC_MAX_REGISTER_SIZE, gdbarch_tdep::ppc_toc_regnum, regcache_cooked_read_unsigned(), regcache_cooked_write(), regcache_raw_write_signed(), regcache_raw_write_unsigned(), register_size(), register_type(), solib_aix_get_toc_value(), store_unsigned_integer(), target_float_convert(), target_store_registers(), type, TYPE_CODE, TYPE_CODE_FLT, TYPE_LENGTH, value_contents(), value_type(), gdbarch_tdep::wordsize, wordsize, and write_memory().

Referenced by rs6000_aix_init_osabi().

rs6000_return_value()

static enum return_value_convention rs6000_return_value ( struct gdbarch *  gdbarch, struct value *  function, struct type *  valtype, struct regcache *  regcache, gdb_byte *  readbuf, const gdb_byte *  writebuf  )

static

Definition at line 415 of file rs6000-aix-tdep.c.

References gdb_assert, gdbarch_byte_order(), gdbarch_tdep(), ppc_floating_point_unit_p(), gdbarch_tdep::ppc_fp0_regnum, gdbarch_tdep::ppc_gp0_regnum, gdbarch_tdep::ppc_vr0_regnum, regcache_cooked_read(), regcache_cooked_read_unsigned(), regcache_cooked_write(), regcache_cooked_write_unsigned(), register_type(), RETURN_VALUE_REGISTER_CONVENTION, RETURN_VALUE_STRUCT_CONVENTION, store_unsigned_integer(), target_float_convert(), TYPE_CODE, TYPE_CODE_ARRAY, TYPE_CODE_FLT, TYPE_CODE_STRUCT, TYPE_CODE_UNION, TYPE_LENGTH, TYPE_VECTOR, unpack_long(), and gdbarch_tdep::wordsize.

Referenced by rs6000_aix_init_osabi().

rs6000_software_single_step()

static std::vector<CORE_ADDR> rs6000_software_single_step ( struct regcache *  regcache )

static

Definition at line 677 of file rs6000-aix-tdep.c.

References regcache::arch(), branch_dest(), gdbarch::byte_order, gdbarch_byte_order(), loc, ppc_deal_with_atomic_sequence(), PPC_INSN_SIZE, read_memory_integer(), and regcache_read_pc().

Referenced by rs6000_aix_init_osabi().

Variable Documentation

ld_info32_desc

const struct ld_info_desc ld_info32_desc

static

Initial value:

=
{
  {0, 4},       
  {4, 4},       
  {8, 4},       
  {12, 4},      
  {16, 4},      
  {20, 4},      
  {24, 2},      
}

Definition at line 822 of file rs6000-aix-tdep.c.

Referenced by rs6000_aix_extract_ld_info().

ld_info64_desc

const struct ld_info_desc ld_info64_desc

static

Initial value:

=
{
  {0, 4},       
  {8, 4},       
  {16, 8},      
  {24, 8},      
  {32, 8},      
  {40, 8},      
  {48, 2},      
}

Definition at line 835 of file rs6000-aix-tdep.c.

Referenced by rs6000_aix_extract_ld_info().

rs6000_aix32_reg_offsets

struct ppc_reg_offsets rs6000_aix32_reg_offsets

static

Initial value:

=
{
  
  208, 
  4,  
  4,  
  24, 
  28, 
  32, 
  36, 
  40, 
  44, 
  48, 

  
  336, 
  56, 
  4,  

  
  -1, 
  -1, 
  -1 
}

Definition at line 56 of file rs6000-aix-tdep.c.

rs6000_aix32_regset

const struct regset rs6000_aix32_regset

static

Initial value:

=
{
  &rs6000_aix32_reg_offsets,
  rs6000_aix_supply_regset,
  rs6000_aix_collect_regset,
}

Definition at line 136 of file rs6000-aix-tdep.c.

Referenced by rs6000_aix_iterate_over_regset_sections().

rs6000_aix64_reg_offsets

struct ppc_reg_offsets rs6000_aix64_reg_offsets

static

Initial value:

=
{
  
  0, 
  8,  
  4,  
  264, 
  256, 
  288, 
  272, 
  280, 
  292, 
  -1, 

  
  312, 
  296, 
  4,  

  
  -1, 
  -1, 
  -1 
}

Definition at line 81 of file rs6000-aix-tdep.c.

rs6000_aix64_regset

const struct regset rs6000_aix64_regset

static

Initial value:

=
{
  &rs6000_aix64_reg_offsets,
  rs6000_aix_supply_regset,
  rs6000_aix_collect_regset,
}

Definition at line 143 of file rs6000-aix-tdep.c.

Referenced by rs6000_aix_iterate_over_regset_sections().