nto-low.c File Reference

#include "server.h"
#include "gdbthread.h"
#include "nto-low.h"
#include "hostio.h"
#include <limits.h>
#include <fcntl.h>
#include <spawn.h>
#include <sys/procfs.h>
#include <sys/auxv.h>
#include <sys/iomgr.h>
#include <sys/neutrino.h>

Go to the source code of this file.

Classes
struct	nto_inferior

Macros
#define	TRACE   nto_trace

Functions
static void	nto_trace (const char *fmt,...)
static void	init_nto_inferior (struct nto_inferior *nto_inferior)
static void	do_detach (void)
static int	nto_set_thread (ptid_t ptid)
static void	nto_find_new_threads (struct nto_inferior *nto_inferior)
static pid_t	do_attach (pid_t pid)
static int	nto_xfer_memory (off_t memaddr, unsigned char *myaddr, int len, int dowrite)
static int	nto_breakpoint (CORE_ADDR addr, int type, int size)
static int	nto_read_auxv_from_initial_stack (CORE_ADDR initial_stack, unsigned char *myaddr, unsigned int len)
static int	nto_create_inferior (const char *program, const std::vector< char *> &program_args)
static int	nto_attach (unsigned long pid)
static int	nto_kill (int pid)
static int	nto_detach (int pid)
static void	nto_mourn (struct process_info *process)
static int	nto_thread_alive (ptid_t ptid)
static void	nto_resume (struct thread_resume *resume_info, size_t n)
static ptid_t	nto_wait (ptid_t ptid, struct target_waitstatus *ourstatus, int target_options)
static void	nto_fetch_registers (struct regcache *regcache, int regno)
static void	nto_store_registers (struct regcache *regcache, int regno)
static int	nto_read_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
static int	nto_write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len)
static void	nto_request_interrupt (void)
static int	nto_read_auxv (CORE_ADDR offset, unsigned char *myaddr, unsigned int len)
static int	nto_supports_z_point_type (char z_type)
static int	nto_insert_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)
static int	nto_remove_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)
static int	nto_stopped_by_watchpoint (void)
static CORE_ADDR	nto_stopped_data_address (void)
static int	nto_supports_non_stop (void)
static const gdb_byte *	nto_sw_breakpoint_from_kind (int kind, int *size)
void	initialize_low (void)

Variables
int	using_threads = 1
const struct target_desc *	nto_tdesc
static struct nto_inferior	nto_inferior
static struct target_ops	nto_target_ops

Macro Definition Documentation

TRACE

#define TRACE   nto_trace

Definition at line 53 of file nto-low.c.

Referenced by do_attach(), initialize_low(), nto_attach(), nto_create_inferior(), nto_detach(), nto_fetch_registers(), nto_find_new_threads(), nto_insert_point(), nto_kill(), nto_read_auxv(), nto_read_auxv_from_initial_stack(), nto_read_memory(), nto_remove_point(), nto_request_interrupt(), nto_resume(), nto_set_thread(), nto_stopped_by_watchpoint(), nto_stopped_data_address(), nto_store_registers(), nto_supports_non_stop(), nto_thread_alive(), nto_wait(), nto_write_memory(), and nto_xfer_memory().

Function Documentation

do_attach()

static pid_t do_attach ( pid_t  pid )

static

Definition at line 170 of file nto-low.c.

References add_process(), linux_target_ops::arch_setup, nto_inferior::ctl_fd, do_detach(), init_nto_inferior(), nto_find_new_threads(), nto_inferior::nto_procfs_path, nto_tdesc, process_info::pid, nto_inferior::pid, ptid_build(), ptid_get_lwp(), process_info::tdesc, the_low_target, TRACE, and xsnprintf().

Referenced by nto_attach(), and nto_create_inferior().

do_detach()

static void do_detach ( void  )

static

Definition at line 77 of file nto-low.c.

References nto_inferior::ctl_fd, init_nto_inferior(), and nto_trace().

Referenced by do_attach(), nto_detach(), and nto_kill().

init_nto_inferior()

static void init_nto_inferior ( struct nto_inferior *  nto_inferior )

static

Definition at line 69 of file nto-low.c.

References nto_inferior::ctl_fd, memset(), and nto_inferior::pid.

Referenced by do_attach(), and do_detach().

initialize_low()

void initialize_low

(

void

)

Definition at line 1013 of file nto-low.c.

References set_target_ops(), and TRACE.

nto_attach()

static int nto_attach ( unsigned long  pid )

static

Definition at line 389 of file nto-low.c.

References do_attach(), error(), and TRACE.

nto_breakpoint()

static int nto_breakpoint ( CORE_ADDR  addr, int  type, int  size  )

static

Definition at line 262 of file nto-low.c.

References nto_inferior::ctl_fd.

Referenced by nto_insert_point(), and nto_remove_point().

nto_create_inferior()

static int nto_create_inferior ( const char *  program, const std::vector< char *> &  program_args  )

static

Definition at line 354 of file nto-low.c.

References do_attach(), memset(), program_args, string, stringify_argv(), and TRACE.

nto_detach()

static int nto_detach ( int  pid )

static

Definition at line 411 of file nto-low.c.

References do_detach(), and TRACE.

nto_fetch_registers()

static void nto_fetch_registers ( struct regcache *  regcache, int  regno  )

static

Definition at line 619 of file nto-low.c.

References nto_inferior::ctl_fd, current_thread, nto_set_thread(), ptid_of(), supply_register(), the_low_target, and TRACE.

nto_find_new_threads()

static void nto_find_new_threads ( struct nto_inferior *  nto_inferior )

static

Definition at line 118 of file nto-low.c.

References add_thread(), nto_inferior::ctl_fd, find_thread_ptid(), nto_inferior::pid, ptid_build(), remove_thread(), ptid_t::tid(), and TRACE.

Referenced by do_attach(), and nto_wait().

nto_insert_point()

static int nto_insert_point ( enum raw_bkpt_type  type, CORE_ADDR  addr, int  size, struct raw_breakpoint *  bp  )

static

Definition at line 794 of file nto-low.c.

References nto_breakpoint(), raw_bkpt_type_access_wp, raw_bkpt_type_hw, raw_bkpt_type_read_wp, raw_bkpt_type_sw, raw_bkpt_type_write_wp, and TRACE.

nto_kill()

static int nto_kill ( int  pid )

static

Definition at line 400 of file nto-low.c.

References do_detach(), and TRACE.

nto_mourn()

static void nto_mourn ( struct process_info *  process )

static

Definition at line 419 of file nto-low.c.

References remove_process().

nto_read_auxv()

static int nto_read_auxv ( CORE_ADDR  offset, unsigned char *  myaddr, unsigned int  len  )

static

Definition at line 755 of file nto-low.c.

References nto_inferior::ctl_fd, nto_read_auxv_from_initial_stack(), offset, and TRACE.

nto_read_auxv_from_initial_stack()

static int nto_read_auxv_from_initial_stack ( CORE_ADDR  initial_stack, unsigned char *  myaddr, unsigned int  len  )

static

Definition at line 281 of file nto-low.c.

References memset(), nto_xfer_memory(), and TRACE.

Referenced by nto_read_auxv().

nto_read_memory()

static int nto_read_memory ( CORE_ADDR  memaddr, unsigned char *  myaddr, int  len  )

static

Definition at line 702 of file nto-low.c.

References nto_xfer_memory(), and TRACE.

nto_remove_point()

static int nto_remove_point ( enum raw_bkpt_type  type, CORE_ADDR  addr, int  size, struct raw_breakpoint *  bp  )

static

Definition at line 826 of file nto-low.c.

References nto_breakpoint(), raw_bkpt_type_access_wp, raw_bkpt_type_hw, raw_bkpt_type_read_wp, raw_bkpt_type_sw, raw_bkpt_type_write_wp, and TRACE.

nto_request_interrupt()

static void nto_request_interrupt ( void  )

static

Definition at line 740 of file nto-low.c.

References nto_inferior::ctl_fd, nto_set_thread(), nto_inferior::pid, ptid_build(), and TRACE.

nto_resume()

static void nto_resume ( struct thread_resume *  resume_info, size_t  n  )

static

Definition at line 447 of file nto-low.c.

References nto_inferior::ctl_fd, thread_resume::kind, nto_set_thread(), regcache_invalidate(), thread_resume::sig, strerror(), thread_resume::thread, and TRACE.

nto_set_thread()

static int nto_set_thread ( ptid_t  ptid )

static

Definition at line 90 of file nto-low.c.

References nto_inferior::ctl_fd, minus_one_ptid, null_ptid, ptid_equal(), ptid_get_lwp(), ptid_get_pid(), and TRACE.

Referenced by nto_fetch_registers(), nto_request_interrupt(), nto_resume(), nto_stopped_by_watchpoint(), nto_stopped_data_address(), and nto_store_registers().

nto_stopped_by_watchpoint()

static int nto_stopped_by_watchpoint ( void  )

static

Definition at line 861 of file nto-low.c.

References nto_inferior::ctl_fd, current_thread, nto_set_thread(), ptid_of(), and TRACE.

nto_stopped_data_address()

static CORE_ADDR nto_stopped_data_address ( void  )

static

Definition at line 891 of file nto-low.c.

References nto_inferior::ctl_fd, current_thread, nto_set_thread(), ptid_of(), and TRACE.

nto_store_registers()

static void nto_store_registers ( struct regcache *  regcache, int  regno  )

static

Definition at line 667 of file nto-low.c.

References collect_register(), nto_inferior::ctl_fd, current_thread, memset(), nto_set_thread(), ptid_of(), the_low_target, and TRACE.

nto_supports_non_stop()

static int nto_supports_non_stop ( void  )

static

Definition at line 916 of file nto-low.c.

References TRACE.

nto_supports_z_point_type()

static int nto_supports_z_point_type ( char  z_type )

static

Definition at line 776 of file nto-low.c.

References Z_PACKET_ACCESS_WP, Z_PACKET_HW_BP, Z_PACKET_READ_WP, Z_PACKET_SW_BP, and Z_PACKET_WRITE_WP.

nto_sw_breakpoint_from_kind()

static const gdb_byte* nto_sw_breakpoint_from_kind ( int  kind, int *  size  )

static

Definition at line 925 of file nto-low.c.

References the_low_target.

nto_thread_alive()

static int nto_thread_alive ( ptid_t  ptid )

static

Definition at line 429 of file nto-low.c.

References ptid_get_lwp(), ptid_get_pid(), and TRACE.

nto_trace()

static void nto_trace ( const char *  fmt,   ...  )

static

Definition at line 41 of file nto-low.c.

References debug_threads.

Referenced by do_detach().

nto_wait()

static ptid_t nto_wait ( ptid_t  ptid, struct target_waitstatus *  ourstatus, int  target_options  )

static

Definition at line 514 of file nto-low.c.

References nto_inferior::ctl_fd, nto_inferior::exit_signo, gdb_signal_from_host(), nto_find_new_threads(), ptid_build(), ptid_get_pid(), TRACE, WEXITSTATUS, and WNOHANG.

nto_write_memory()

static int nto_write_memory ( CORE_ADDR  memaddr, const unsigned char *  myaddr, int  len  )

static

Definition at line 721 of file nto-low.c.

References nto_xfer_memory(), and TRACE.

nto_xfer_memory()

static int nto_xfer_memory ( off_t  memaddr, unsigned char *  myaddr, int  len, int  dowrite  )

static

Definition at line 233 of file nto-low.c.

References nto_inferior::ctl_fd, errno, strerror(), and TRACE.

Referenced by nto_read_auxv_from_initial_stack(), nto_read_memory(), and nto_write_memory().

Variable Documentation

nto_inferior

struct nto_inferior nto_inferior

static

Definition at line 66 of file nto-low.c.

nto_target_ops

struct target_ops nto_target_ops

static

Definition at line 932 of file nto-low.c.

nto_tdesc

const struct target_desc* nto_tdesc

Definition at line 38 of file nto-low.c.

Referenced by do_attach(), and nto_x86_arch_setup().

using_threads

int using_threads = 1

Definition at line 36 of file nto-low.c.