/tmp/gdb-8.1/gdb/amd64-obsd-tdep.c File Reference

#include "defs.h"
#include "frame.h"
#include "frame-unwind.h"
#include "gdbcore.h"
#include "symtab.h"
#include "objfiles.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "target.h"
#include "trad-frame.h"
#include "obsd-tdep.h"
#include "amd64-tdep.h"
#include "i387-tdep.h"
#include "x86-xstate.h"
#include "solib-svr4.h"
#include "bsd-uthread.h"

Go to the source code of this file.

Macros
#define	AMD64OBSD_UTHREAD_RSP_OFFSET   400
#define	amd64obsd_tf_reg_offset   amd64obsd_sc_reg_offset

Functions
static int	amd64obsd_sigtramp_p (struct frame_info *this_frame)
static CORE_ADDR	amd64obsd_sigcontext_addr (struct frame_info *this_frame)
static void	amd64obsd_supply_uthread (struct regcache *regcache, int regnum, CORE_ADDR addr)
static void	amd64obsd_collect_uthread (const struct regcache *regcache, int regnum, CORE_ADDR addr)
static struct trad_frame_cache *	amd64obsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
static void	amd64obsd_trapframe_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id)
static struct value *	amd64obsd_trapframe_prev_register (struct frame_info *this_frame, void **this_cache, int regnum)
static int	amd64obsd_trapframe_sniffer (const struct frame_unwind *self, struct frame_info *this_frame, void **this_prologue_cache)
static void	amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
void	_initialize_amd64obsd_tdep (void)

Variables
static const int	amd64obsd_page_size = 4096
int	amd64obsd_r_reg_offset []
static int	amd64obsd_sc_reg_offset []
static int	amd64obsd_uthread_reg_offset []
static const struct frame_unwind	amd64obsd_trapframe_unwind

Macro Definition Documentation

amd64obsd_tf_reg_offset

#define amd64obsd_tf_reg_offset   amd64obsd_sc_reg_offset

Definition at line 315 of file amd64-obsd-tdep.c.

Referenced by amd64obsd_trapframe_cache().

AMD64OBSD_UTHREAD_RSP_OFFSET

#define AMD64OBSD_UTHREAD_RSP_OFFSET   400

Definition at line 218 of file amd64-obsd-tdep.c.

Referenced by amd64obsd_collect_uthread(), and amd64obsd_supply_uthread().

Function Documentation

_initialize_amd64obsd_tdep()

void _initialize_amd64obsd_tdep

(

void

)

Definition at line 452 of file amd64-obsd-tdep.c.

References AMD64_NUM_GREGS, amd64obsd_init_abi(), amd64obsd_r_reg_offset, gdb_assert, GDB_OSABI_OPENBSD, and gdbarch_register_osabi().

amd64obsd_collect_uthread()

static void amd64obsd_collect_uthread ( const struct regcache *  regcache, int  regnum, CORE_ADDR  addr  )

static

Definition at line 265 of file amd64-obsd-tdep.c.

References AMD64_RIP_REGNUM, AMD64_RSP_REGNUM, amd64obsd_uthread_reg_offset, AMD64OBSD_UTHREAD_RSP_OFFSET, regcache::arch(), gdbarch::byte_order, extract_unsigned_integer(), gdb_assert, gdbarch_byte_order(), offset, read_memory_unsigned_integer(), regcache_raw_collect(), regnum, write_memory(), and write_memory_unsigned_integer().

Referenced by amd64obsd_init_abi().

amd64obsd_init_abi()

static void amd64obsd_init_abi ( struct gdbarch_info  info, struct gdbarch *  gdbarch  )

static

Definition at line 419 of file amd64-obsd-tdep.c.

References amd64_init_abi(), amd64_target_description(), amd64obsd_collect_uthread(), amd64obsd_r_reg_offset, amd64obsd_sc_reg_offset, amd64obsd_sigcontext_addr(), amd64obsd_sigtramp_p(), amd64obsd_supply_uthread(), amd64obsd_trapframe_unwind, 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, gdbarch_tdep::jb_pc_offset, obsd_init_abi(), gdbarch_tdep::sc_num_regs, gdbarch_tdep::sc_reg_offset, set_solib_svr4_fetch_link_map_offsets(), gdbarch_tdep::sigcontext_addr, gdbarch_tdep::sigtramp_p, gdbarch_tdep::sizeof_gregset, svr4_lp64_fetch_link_map_offsets(), and X86_XSTATE_SSE_MASK.

Referenced by _initialize_amd64obsd_tdep().

amd64obsd_sigcontext_addr()

static CORE_ADDR amd64obsd_sigcontext_addr ( struct frame_info *  this_frame )

static

Definition at line 101 of file amd64-obsd-tdep.c.

References AMD64_RDI_REGNUM, AMD64_RSP_REGNUM, amd64obsd_page_size, get_frame_pc(), get_frame_register_unsigned(), and offset.

Referenced by amd64obsd_init_abi().

amd64obsd_sigtramp_p()

static int amd64obsd_sigtramp_p ( struct frame_info *  this_frame )

static

Definition at line 48 of file amd64-obsd-tdep.c.

References amd64obsd_page_size, find_pc_partial_function(), find_pc_section(), get_frame_pc(), name, and safe_frame_unwind_memory().

Referenced by amd64obsd_init_abi().

amd64obsd_supply_uthread()

static void amd64obsd_supply_uthread ( struct regcache *  regcache, int  regnum, CORE_ADDR  addr  )

static

Definition at line 221 of file amd64-obsd-tdep.c.

References AMD64_RIP_REGNUM, AMD64_RSP_REGNUM, amd64obsd_uthread_reg_offset, AMD64OBSD_UTHREAD_RSP_OFFSET, regcache::arch(), gdbarch::byte_order, gdb_assert, gdbarch_byte_order(), offset, read_memory(), read_memory_unsigned_integer(), regcache_raw_supply(), regnum, and store_unsigned_integer().

Referenced by amd64obsd_init_abi().

amd64obsd_trapframe_cache()

static struct trad_frame_cache* amd64obsd_trapframe_cache ( struct frame_info *  this_frame, void **  this_cache  )

static

Definition at line 318 of file amd64-obsd-tdep.c.

References AMD64_CS_REGNUM, AMD64_RSP_REGNUM, amd64obsd_tf_reg_offset, 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_SEL_RPL, I386_SEL_UPL, 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 amd64obsd_trapframe_prev_register(), and amd64obsd_trapframe_this_id().

amd64obsd_trapframe_prev_register()

static struct value* amd64obsd_trapframe_prev_register ( struct frame_info *  this_frame, void **  this_cache, int  regnum  )

static

Definition at line 375 of file amd64-obsd-tdep.c.

References amd64obsd_trapframe_cache(), regnum, trad_frame_cache::this_frame, and trad_frame_get_register().

amd64obsd_trapframe_sniffer()

static int amd64obsd_trapframe_sniffer ( const struct frame_unwind *  self, struct frame_info *  this_frame, void **  this_prologue_cache  )

static

Definition at line 385 of file amd64-obsd-tdep.c.

References AMD64_CS_REGNUM, find_pc_partial_function(), get_frame_pc(), get_frame_register_unsigned(), I386_SEL_RPL, I386_SEL_UPL, name, startswith(), and trad_frame_cache::this_frame.

amd64obsd_trapframe_this_id()

static void amd64obsd_trapframe_this_id ( struct frame_info *  this_frame, void **  this_cache, struct frame_id *  this_id  )

static

Definition at line 365 of file amd64-obsd-tdep.c.

References amd64obsd_trapframe_cache(), trad_frame_cache::this_frame, trad_frame_cache::this_id, and trad_frame_get_id().

Variable Documentation

amd64obsd_page_size

const int amd64obsd_page_size = 4096

static

Definition at line 42 of file amd64-obsd-tdep.c.

Referenced by amd64obsd_sigcontext_addr(), and amd64obsd_sigtramp_p().

amd64obsd_r_reg_offset

int amd64obsd_r_reg_offset[]

Initial value:

=
{
  14 * 8,           
  13 * 8,           
  3 * 8,            
  2 * 8,            
  1 * 8,            
  0 * 8,            
  12 * 8,           
  15 * 8,           
  4 * 8,            
  5 * 8,
  6 * 8,
  7 * 8,
  8 * 8,
  9 * 8,
  10 * 8,
  11 * 8,           
  16 * 8,           
  17 * 8,           
  18 * 8,           
  19 * 8,           
  20 * 8,           
  21 * 8,           
  22 * 8,           
  23 * 8            
}

Definition at line 130 of file amd64-obsd-tdep.c.

Referenced by _initialize_amd64obsd_nat(), _initialize_amd64obsd_tdep(), and amd64obsd_init_abi().

amd64obsd_sc_reg_offset

int amd64obsd_sc_reg_offset[]

static

Initial value:

=
{
  14 * 8,           
  13 * 8,           
  3 * 8,            
  2 * 8,            
  1 * 8,            
  0 * 8,            
  12 * 8,           
  24 * 8,           
  4 * 8,            
  5 * 8,
  6 * 8,
  7 * 8,
  8 * 8,
  9 * 8,
  10 * 8,
  11 * 8,           
  21 * 8,           
  23 * 8,           
  22 * 8,           
  25 * 8,           
  18 * 8,           
  17 * 8,           
  16 * 8,           
  15 * 8            
}

Definition at line 159 of file amd64-obsd-tdep.c.

Referenced by amd64obsd_init_abi().

amd64obsd_trapframe_unwind

const struct frame_unwind amd64obsd_trapframe_unwind

static

Initial value:

= {
  
  NORMAL_FRAME,
  default_frame_unwind_stop_reason,
  amd64obsd_trapframe_this_id,
  amd64obsd_trapframe_prev_register,
  NULL,
  amd64obsd_trapframe_sniffer
}

Definition at line 405 of file amd64-obsd-tdep.c.

Referenced by amd64obsd_init_abi().

amd64obsd_uthread_reg_offset

int amd64obsd_uthread_reg_offset[]

static

Initial value:

=
{
  19 * 8,           
  16 * 8,           
  18 * 8,           
  17 * 8,           
  14 * 8,           
  13 * 8,           
  15 * 8,           
  -1,               
  12 * 8,           
  11 * 8,
  10 * 8,
  9 * 8,
  8 * 8,
  7 * 8,
  6 * 8,
  5 * 8,            
  20 * 8,           
  4 * 8,            
  21 * 8,           
  -1,               
  3 * 8,            
  2 * 8,            
  1 * 8,            
  0 * 8             
}

Definition at line 188 of file amd64-obsd-tdep.c.

Referenced by amd64obsd_collect_uthread(), and amd64obsd_supply_uthread().