/tmp/gdb-8.1/gdb/i386-obsd-tdep.c File Reference

#include "defs.h"
#include "arch-utils.h"
#include "frame.h"
#include "frame-unwind.h"
#include "gdbcore.h"
#include "regcache.h"
#include "regset.h"
#include "symtab.h"
#include "objfiles.h"
#include "osabi.h"
#include "target.h"
#include "trad-frame.h"
#include "obsd-tdep.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
#include "solib-svr4.h"
#include "bsd-uthread.h"

Go to the source code of this file.

Macros
#define	I386OBSD_UTHREAD_ESP_OFFSET   176

Functions
static int	i386obsd_sigtramp_p (struct frame_info *this_frame)
static void	i386obsd_supply_uthread (struct regcache *regcache, int regnum, CORE_ADDR addr)
static void	i386obsd_collect_uthread (const struct regcache *regcache, int regnum, CORE_ADDR addr)
static struct trad_frame_cache *	i386obsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
static void	i386obsd_trapframe_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id)
static struct value *	i386obsd_trapframe_prev_register (struct frame_info *this_frame, void **this_cache, int regnum)
static int	i386obsd_trapframe_sniffer (const struct frame_unwind *self, struct frame_info *this_frame, void **this_prologue_cache)
static void	i386obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
void	_initialize_i386obsd_tdep (void)

Variables
static const int	i386obsd_page_size = 4096
static const int	i386obsd_sigreturn_offset []
static int	i386obsd_r_reg_offset []
CORE_ADDR	i386obsd_sigtramp_start_addr = 0xbfbfdf20
CORE_ADDR	i386obsd_sigtramp_end_addr = 0xbfbfdff0
int	i386obsd_sc_reg_offset [I386_NUM_GREGS]
static int	i386obsd_uthread_reg_offset []
static int	i386obsd_tf_reg_offset []
static const struct frame_unwind	i386obsd_trapframe_unwind

Macro Definition Documentation

I386OBSD_UTHREAD_ESP_OFFSET

#define I386OBSD_UTHREAD_ESP_OFFSET   176

Definition at line 187 of file i386-obsd-tdep.c.

Referenced by i386obsd_collect_uthread(), and i386obsd_supply_uthread().

Function Documentation

_initialize_i386obsd_tdep()

void _initialize_i386obsd_tdep

(

void

)

Definition at line 447 of file i386-obsd-tdep.c.

References GDB_OSABI_OPENBSD, gdbarch_register_osabi(), and i386obsd_init_abi().

i386obsd_collect_uthread()

static void i386obsd_collect_uthread ( const struct regcache *  regcache, int  regnum, CORE_ADDR  addr  )

static

Definition at line 234 of file i386-obsd-tdep.c.

References regcache::arch(), gdbarch::byte_order, extract_unsigned_integer(), gdb_assert, gdbarch_byte_order(), I386_EIP_REGNUM, I386_ESP_REGNUM, I386OBSD_UTHREAD_ESP_OFFSET, i386obsd_uthread_reg_offset, offset, read_memory_unsigned_integer(), regcache_raw_collect(), regnum, write_memory(), and write_memory_unsigned_integer().

Referenced by i386obsd_init_abi().

i386obsd_init_abi()

static void i386obsd_init_abi ( struct gdbarch_info  info, struct gdbarch *  gdbarch  )

static

Definition at line 407 of file i386-obsd-tdep.c.

References bsd_uthread_set_collect_uthread(), bsd_uthread_set_supply_uthread(), frame_unwind_prepend_unwinder(), gdbarch_tdep(), gdbarch_tdep::gregset_num_regs, gdbarch_tdep::gregset_reg_offset, i386_elf_init_abi(), i386bsd_init_abi(), i386obsd_collect_uthread(), i386obsd_r_reg_offset, i386obsd_sc_reg_offset, i386obsd_sigtramp_end_addr, i386obsd_sigtramp_p(), i386obsd_sigtramp_start_addr, i386obsd_supply_uthread(), i386obsd_trapframe_unwind, obsd_init_abi(), reg_struct_return, gdbarch_tdep::sc_num_regs, gdbarch_tdep::sc_reg_offset, set_solib_svr4_fetch_link_map_offsets(), gdbarch_tdep::sigtramp_end, gdbarch_tdep::sigtramp_p, gdbarch_tdep::sigtramp_start, gdbarch_tdep::sizeof_gregset, gdbarch_tdep::struct_return, and svr4_ilp32_fetch_link_map_offsets().

Referenced by _initialize_i386obsd_tdep().

i386obsd_sigtramp_p()

static int i386obsd_sigtramp_p ( struct frame_info *  this_frame )

static

Definition at line 67 of file i386-obsd-tdep.c.

References find_pc_partial_function(), find_pc_section(), get_frame_pc(), i386obsd_page_size, i386obsd_sigreturn_offset, name, offset, and safe_frame_unwind_memory().

Referenced by i386obsd_init_abi().

i386obsd_supply_uthread()

static void i386obsd_supply_uthread ( struct regcache *  regcache, int  regnum, CORE_ADDR  addr  )

static

Definition at line 190 of file i386-obsd-tdep.c.

References regcache::arch(), gdbarch::byte_order, gdb_assert, gdbarch_byte_order(), I386_EIP_REGNUM, I386_ESP_REGNUM, I386OBSD_UTHREAD_ESP_OFFSET, i386obsd_uthread_reg_offset, offset, read_memory(), read_memory_unsigned_integer(), regcache_raw_supply(), regnum, and store_unsigned_integer().

Referenced by i386obsd_init_abi().

i386obsd_trapframe_cache()

static struct trad_frame_cache* i386obsd_trapframe_cache ( struct frame_info *  this_frame, void **  this_cache  )

static

Definition at line 306 of file i386-obsd-tdep.c.

References gdbarch::byte_order, find_pc_partial_function(), frame_id_build(), func, gdbarch_byte_order(), get_frame_arch(), get_frame_func(), get_frame_register_unsigned(), I386_CS_REGNUM, I386_ESP_REGNUM, I386_SEL_RPL, I386_SEL_UPL, i386obsd_tf_reg_offset, name, outer_frame_id, read_memory_unsigned_integer(), startswith(), trad_frame_cache::this_frame, trad_frame_cache_zalloc(), trad_frame_set_id(), and trad_frame_set_reg_addr().

Referenced by i386obsd_trapframe_prev_register(), and i386obsd_trapframe_this_id().

i386obsd_trapframe_prev_register()

static struct value* i386obsd_trapframe_prev_register ( struct frame_info *  this_frame, void **  this_cache, int  regnum  )

static

Definition at line 363 of file i386-obsd-tdep.c.

References i386obsd_trapframe_cache(), regnum, trad_frame_cache::this_frame, and trad_frame_get_register().

i386obsd_trapframe_sniffer()

static int i386obsd_trapframe_sniffer ( const struct frame_unwind *  self, struct frame_info *  this_frame, void **  this_prologue_cache  )

static

Definition at line 373 of file i386-obsd-tdep.c.

References find_pc_partial_function(), get_frame_pc(), get_frame_register_unsigned(), I386_CS_REGNUM, I386_SEL_RPL, I386_SEL_UPL, name, startswith(), and trad_frame_cache::this_frame.

i386obsd_trapframe_this_id()

static void i386obsd_trapframe_this_id ( struct frame_info *  this_frame, void **  this_cache, struct frame_id *  this_id  )

static

Definition at line 353 of file i386-obsd-tdep.c.

References i386obsd_trapframe_cache(), trad_frame_cache::this_frame, trad_frame_cache::this_id, and trad_frame_get_id().

Variable Documentation

i386obsd_page_size

const int i386obsd_page_size = 4096

static

Definition at line 53 of file i386-obsd-tdep.c.

Referenced by i386obsd_sigtramp_p().

i386obsd_r_reg_offset

int i386obsd_r_reg_offset[]

static

Initial value:

=
{
  0 * 4,            
  1 * 4,            
  2 * 4,            
  3 * 4,            
  4 * 4,            
  5 * 4,            
  6 * 4,            
  7 * 4,            
  8 * 4,            
  9 * 4,            
  10 * 4,           
  11 * 4,           
  12 * 4,           
  13 * 4,           
  14 * 4,           
  15 * 4            
}

Definition at line 117 of file i386-obsd-tdep.c.

Referenced by i386obsd_init_abi().

i386obsd_sc_reg_offset

int i386obsd_sc_reg_offset[I386_NUM_GREGS]

Initial value:

=
{
  10 * 4,           
  9 * 4,            
  8 * 4,            
  7 * 4,            
  14 * 4,           
  6 * 4,            
  5 * 4,            
  4 * 4,            
  11 * 4,           
  13 * 4,           
  12 * 4,           
  15 * 4,           
  3 * 4,            
  2 * 4,            
  1 * 4,            
  0 * 4             
}

Definition at line 144 of file i386-obsd-tdep.c.

Referenced by i386obsd_init_abi().

i386obsd_sigreturn_offset

const int i386obsd_sigreturn_offset[]

static

Initial value:

= {
  0x0a,             
  0x14,             
  0x3a,             
  -1
}

Definition at line 56 of file i386-obsd-tdep.c.

Referenced by i386obsd_sigtramp_p().

i386obsd_sigtramp_end_addr

CORE_ADDR i386obsd_sigtramp_end_addr = 0xbfbfdff0

Definition at line 141 of file i386-obsd-tdep.c.

Referenced by _initialize_i386obsd_nat(), and i386obsd_init_abi().

i386obsd_sigtramp_start_addr

CORE_ADDR i386obsd_sigtramp_start_addr = 0xbfbfdf20

Definition at line 140 of file i386-obsd-tdep.c.

Referenced by _initialize_i386obsd_nat(), and i386obsd_init_abi().

i386obsd_tf_reg_offset

int i386obsd_tf_reg_offset[]

static

Initial value:

=
{
  10 * 4,           
  9 * 4,            
  8 * 4,            
  7 * 4,            
  -1,               
  6 * 4,            
  5 * 4,            
  4 * 4,            
  13 * 4,           
  15 * 4,           
  14 * 4,           
  -1,               
  3 * 4,            
  2 * 4,            
  0 * 4,            
  1 * 4             
}

Definition at line 285 of file i386-obsd-tdep.c.

Referenced by i386obsd_trapframe_cache().

i386obsd_trapframe_unwind

const struct frame_unwind i386obsd_trapframe_unwind

static

Initial value:

= {
  
  NORMAL_FRAME,
  default_frame_unwind_stop_reason,
  i386obsd_trapframe_this_id,
  i386obsd_trapframe_prev_register,
  NULL,
  i386obsd_trapframe_sniffer
}

Definition at line 393 of file i386-obsd-tdep.c.

Referenced by i386obsd_init_abi().

i386obsd_uthread_reg_offset

int i386obsd_uthread_reg_offset[]

static

Initial value:

=
{
  11 * 4,           
  10 * 4,           
  9 * 4,            
  8 * 4,            
  -1,               
  6 * 4,            
  5 * 4,            
  4 * 4,            
  12 * 4,           
  -1,               
  13 * 4,           
  -1,               
  3 * 4,            
  2 * 4,            
  1 * 4,            
  0 * 4             
}

Definition at line 165 of file i386-obsd-tdep.c.

Referenced by i386obsd_collect_uthread(), and i386obsd_supply_uthread().