/* Select target systems and architectures at runtime for GDB.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001 Free Software Foundation, Inc.
+ 2000, 2001, 2002
+ Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB.
static void default_terminal_info (char *, int);
+static int default_region_size_ok_for_hw_watchpoint (int);
+
static int nosymbol (char *, CORE_ADDR *);
static void tcomplain (void);
static int return_one (void);
+static int return_minus_one (void);
+
void target_ignore (void);
static void target_command (char *, int);
static void nosupport_runtime (void);
-static void normal_target_post_startup_inferior (int pid);
+static void normal_target_post_startup_inferior (ptid_t ptid);
/* Transfer LEN bytes between target address MEMADDR and GDB address
MYADDR. Returns 0 for success, errno code for failure (which
static void debug_to_detach (char *, int);
-static void debug_to_resume (int, int, enum target_signal);
+static void debug_to_resume (ptid_t, int, enum target_signal);
-static int debug_to_wait (int, struct target_waitstatus *);
+static ptid_t debug_to_wait (ptid_t, struct target_waitstatus *);
static void debug_to_fetch_registers (int);
static void debug_to_prepare_to_store (void);
-static int
-debug_to_xfer_memory (CORE_ADDR, char *, int, int, struct mem_attrib *,
- struct target_ops *);
+static int debug_to_xfer_memory (CORE_ADDR, char *, int, int,
+ struct mem_attrib *, struct target_ops *);
static void debug_to_files_info (struct target_ops *);
static int debug_to_remove_breakpoint (CORE_ADDR, char *);
+static int debug_to_can_use_hw_breakpoint (int, int, int);
+
+static int debug_to_insert_hw_breakpoint (CORE_ADDR, char *);
+
+static int debug_to_remove_hw_breakpoint (CORE_ADDR, char *);
+
+static int debug_to_insert_watchpoint (CORE_ADDR, int, int);
+
+static int debug_to_remove_watchpoint (CORE_ADDR, int, int);
+
+static int debug_to_stopped_by_watchpoint (void);
+
+static CORE_ADDR debug_to_stopped_data_address (void);
+
+static int debug_to_region_size_ok_for_hw_watchpoint (int);
+
static void debug_to_terminal_init (void);
static void debug_to_terminal_inferior (void);
static void debug_to_terminal_ours_for_output (void);
+static void debug_to_terminal_save_ours (void);
+
static void debug_to_terminal_ours (void);
static void debug_to_terminal_info (char *, int);
static int debug_to_can_run (void);
-static void debug_to_notice_signals (int);
+static void debug_to_notice_signals (ptid_t);
-static int debug_to_thread_alive (int);
+static int debug_to_thread_alive (ptid_t);
static void debug_to_stop (void);
static void
nosupport_runtime (void)
{
- if (!inferior_pid)
+ if (ptid_equal (inferior_ptid, null_ptid))
noprocess ();
else
error ("No run-time support for this");
(void (*) (int, char *, int))
target_ignore);
de_fault (to_resume,
- (void (*) (int, int, enum target_signal))
+ (void (*) (ptid_t, int, enum target_signal))
noprocess);
de_fault (to_wait,
- (int (*) (int, struct target_waitstatus *))
+ (ptid_t (*) (ptid_t, struct target_waitstatus *))
noprocess);
de_fault (to_post_wait,
- (void (*) (int, int))
+ (void (*) (ptid_t, int))
target_ignore);
de_fault (to_fetch_registers,
(void (*) (int))
memory_insert_breakpoint);
de_fault (to_remove_breakpoint,
memory_remove_breakpoint);
+ de_fault (to_can_use_hw_breakpoint,
+ (int (*) (int, int, int))
+ return_zero);
+ de_fault (to_insert_hw_breakpoint,
+ (int (*) (CORE_ADDR, char *))
+ return_minus_one);
+ de_fault (to_remove_hw_breakpoint,
+ (int (*) (CORE_ADDR, char *))
+ return_minus_one);
+ de_fault (to_insert_watchpoint,
+ (int (*) (CORE_ADDR, int, int))
+ return_minus_one);
+ de_fault (to_remove_watchpoint,
+ (int (*) (CORE_ADDR, int, int))
+ return_minus_one);
+ de_fault (to_stopped_by_watchpoint,
+ (int (*) (void))
+ return_zero);
+ de_fault (to_stopped_data_address,
+ (CORE_ADDR (*) (void))
+ return_zero);
+ de_fault (to_region_size_ok_for_hw_watchpoint,
+ default_region_size_ok_for_hw_watchpoint);
de_fault (to_terminal_init,
(void (*) (void))
target_ignore);
de_fault (to_terminal_ours,
(void (*) (void))
target_ignore);
+ de_fault (to_terminal_save_ours,
+ (void (*) (void))
+ target_ignore);
de_fault (to_terminal_info,
default_terminal_info);
de_fault (to_kill,
de_fault (to_create_inferior,
maybe_kill_then_create_inferior);
de_fault (to_post_startup_inferior,
- (void (*) (int))
+ (void (*) (ptid_t))
target_ignore);
de_fault (to_acknowledge_created_inferior,
(void (*) (int))
de_fault (to_can_run,
return_zero);
de_fault (to_notice_signals,
- (void (*) (int))
+ (void (*) (ptid_t))
target_ignore);
de_fault (to_thread_alive,
- (int (*) (int))
+ (int (*) (ptid_t))
return_zero);
de_fault (to_find_new_threads,
(void (*) (void))
de_fault (to_stop,
(void (*) (void))
target_ignore);
- de_fault (to_query,
- (int (*) (int, char *, char *, int *))
- return_zero);
de_fault (to_rcmd,
(void (*) (char *, struct ui_file *))
tcomplain);
INHERIT (to_files_info, t);
INHERIT (to_insert_breakpoint, t);
INHERIT (to_remove_breakpoint, t);
+ INHERIT (to_can_use_hw_breakpoint, t);
+ INHERIT (to_insert_hw_breakpoint, t);
+ INHERIT (to_remove_hw_breakpoint, t);
+ INHERIT (to_insert_watchpoint, t);
+ INHERIT (to_remove_watchpoint, t);
+ INHERIT (to_stopped_data_address, t);
+ INHERIT (to_stopped_by_watchpoint, t);
+ INHERIT (to_region_size_ok_for_hw_watchpoint, t);
INHERIT (to_terminal_init, t);
INHERIT (to_terminal_inferior, t);
INHERIT (to_terminal_ours_for_output, t);
INHERIT (to_terminal_ours, t);
+ INHERIT (to_terminal_save_ours, t);
INHERIT (to_terminal_info, t);
INHERIT (to_kill, t);
INHERIT (to_load, t);
INHERIT (to_is_async_p, t);
INHERIT (to_async, t);
INHERIT (to_async_mask_value, t);
+ INHERIT (to_find_memory_regions, t);
+ INHERIT (to_make_corefile_notes, t);
INHERIT (to_magic, t);
#undef INHERIT
return target_xfer_memory (memaddr, myaddr, len, 1);
}
+static int trust_readonly = 0;
+
/* Move memory to or from the targets. The top target gets priority;
if it cannot handle it, it is offered to the next one down, etc.
0. */
errno = 0;
+ if (!write && trust_readonly)
+ {
+ /* User-settable option, "trust-readonly-sections". If true,
+ then memory from any SEC_READONLY bfd section may be read
+ directly from the bfd file. */
+
+ struct section_table *secp;
+
+ for (secp = current_target.to_sections;
+ secp < current_target.to_sections_end;
+ secp++)
+ {
+ if (bfd_get_section_flags (secp->bfd, secp->the_bfd_section)
+ & SEC_READONLY)
+ if (memaddr >= secp->addr && memaddr < secp->endaddr)
+ return xfer_memory (memaddr, myaddr, len, 0,
+ attrib, ¤t_target);
+ }
+ }
+
/* The quick case is that the top target can handle the transfer. */
res = current_target.to_xfer_memory
(memaddr, myaddr, len, write, attrib, ¤t_target);
while (reg_len > 0)
{
if (region->attrib.cache)
- res = dcache_xfer_memory(target_dcache, memaddr, myaddr,
+ res = dcache_xfer_memory (target_dcache, memaddr, myaddr,
reg_len, write);
else
- res = do_xfer_memory(memaddr, myaddr, reg_len, write,
+ res = do_xfer_memory (memaddr, myaddr, reg_len, write,
®ion->attrib);
if (res <= 0)
return;
}
+static int
+default_region_size_ok_for_hw_watchpoint (int byte_count)
+{
+ return (byte_count <= REGISTER_SIZE);
+}
+
static int
return_zero (void)
{
return 1;
}
+static int
+return_minus_one (void)
+{
+ return -1;
+}
+
/*
* Resize the to_sections pointer. Also make sure that anyone that
* was holding on to an old value of it gets updated.
{
extern int show_breakpoint_hit_counts;
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
attach_flag = 0;
breakpoint_init_inferior (inf_exited);
registers_changed ();
detach_hook ();
}
\f
-/* This table must match in order and size the signals in enum target_signal
- in target.h. */
-/* *INDENT-OFF* */
-static struct {
- char *name;
- char *string;
- } signals [] =
-{
- {"0", "Signal 0"},
- {"SIGHUP", "Hangup"},
- {"SIGINT", "Interrupt"},
- {"SIGQUIT", "Quit"},
- {"SIGILL", "Illegal instruction"},
- {"SIGTRAP", "Trace/breakpoint trap"},
- {"SIGABRT", "Aborted"},
- {"SIGEMT", "Emulation trap"},
- {"SIGFPE", "Arithmetic exception"},
- {"SIGKILL", "Killed"},
- {"SIGBUS", "Bus error"},
- {"SIGSEGV", "Segmentation fault"},
- {"SIGSYS", "Bad system call"},
- {"SIGPIPE", "Broken pipe"},
- {"SIGALRM", "Alarm clock"},
- {"SIGTERM", "Terminated"},
- {"SIGURG", "Urgent I/O condition"},
- {"SIGSTOP", "Stopped (signal)"},
- {"SIGTSTP", "Stopped (user)"},
- {"SIGCONT", "Continued"},
- {"SIGCHLD", "Child status changed"},
- {"SIGTTIN", "Stopped (tty input)"},
- {"SIGTTOU", "Stopped (tty output)"},
- {"SIGIO", "I/O possible"},
- {"SIGXCPU", "CPU time limit exceeded"},
- {"SIGXFSZ", "File size limit exceeded"},
- {"SIGVTALRM", "Virtual timer expired"},
- {"SIGPROF", "Profiling timer expired"},
- {"SIGWINCH", "Window size changed"},
- {"SIGLOST", "Resource lost"},
- {"SIGUSR1", "User defined signal 1"},
- {"SIGUSR2", "User defined signal 2"},
- {"SIGPWR", "Power fail/restart"},
- {"SIGPOLL", "Pollable event occurred"},
- {"SIGWIND", "SIGWIND"},
- {"SIGPHONE", "SIGPHONE"},
- {"SIGWAITING", "Process's LWPs are blocked"},
- {"SIGLWP", "Signal LWP"},
- {"SIGDANGER", "Swap space dangerously low"},
- {"SIGGRANT", "Monitor mode granted"},
- {"SIGRETRACT", "Need to relinquish monitor mode"},
- {"SIGMSG", "Monitor mode data available"},
- {"SIGSOUND", "Sound completed"},
- {"SIGSAK", "Secure attention"},
- {"SIGPRIO", "SIGPRIO"},
- {"SIG33", "Real-time event 33"},
- {"SIG34", "Real-time event 34"},
- {"SIG35", "Real-time event 35"},
- {"SIG36", "Real-time event 36"},
- {"SIG37", "Real-time event 37"},
- {"SIG38", "Real-time event 38"},
- {"SIG39", "Real-time event 39"},
- {"SIG40", "Real-time event 40"},
- {"SIG41", "Real-time event 41"},
- {"SIG42", "Real-time event 42"},
- {"SIG43", "Real-time event 43"},
- {"SIG44", "Real-time event 44"},
- {"SIG45", "Real-time event 45"},
- {"SIG46", "Real-time event 46"},
- {"SIG47", "Real-time event 47"},
- {"SIG48", "Real-time event 48"},
- {"SIG49", "Real-time event 49"},
- {"SIG50", "Real-time event 50"},
- {"SIG51", "Real-time event 51"},
- {"SIG52", "Real-time event 52"},
- {"SIG53", "Real-time event 53"},
- {"SIG54", "Real-time event 54"},
- {"SIG55", "Real-time event 55"},
- {"SIG56", "Real-time event 56"},
- {"SIG57", "Real-time event 57"},
- {"SIG58", "Real-time event 58"},
- {"SIG59", "Real-time event 59"},
- {"SIG60", "Real-time event 60"},
- {"SIG61", "Real-time event 61"},
- {"SIG62", "Real-time event 62"},
- {"SIG63", "Real-time event 63"},
- {"SIGCANCEL", "LWP internal signal"},
- {"SIG32", "Real-time event 32"},
- {"SIG64", "Real-time event 64"},
-
-#if defined(MACH) || defined(__MACH__)
- /* Mach exceptions */
- {"EXC_BAD_ACCESS", "Could not access memory"},
- {"EXC_BAD_INSTRUCTION", "Illegal instruction/operand"},
- {"EXC_ARITHMETIC", "Arithmetic exception"},
- {"EXC_EMULATION", "Emulation instruction"},
- {"EXC_SOFTWARE", "Software generated exception"},
- {"EXC_BREAKPOINT", "Breakpoint"},
-#endif
- {"SIGINFO", "Information request"},
-
- {NULL, "Unknown signal"},
- {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"},
-
- /* Last entry, used to check whether the table is the right size. */
- {NULL, "TARGET_SIGNAL_MAGIC"}
-};
-/* *INDENT-ON* */
-
-
-
-/* Return the string for a signal. */
-char *
-target_signal_to_string (enum target_signal sig)
-{
- if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST))
- return signals[sig].string;
- else
- return signals[TARGET_SIGNAL_UNKNOWN].string;
-}
-
-/* Return the name for a signal. */
-char *
-target_signal_to_name (enum target_signal sig)
-{
- if (sig == TARGET_SIGNAL_UNKNOWN)
- /* I think the code which prints this will always print it along with
- the string, so no need to be verbose. */
- return "?";
- return signals[sig].name;
-}
-
-/* Given a name, return its signal. */
-enum target_signal
-target_signal_from_name (char *name)
-{
- enum target_signal sig;
-
- /* It's possible we also should allow "SIGCLD" as well as "SIGCHLD"
- for TARGET_SIGNAL_SIGCHLD. SIGIOT, on the other hand, is more
- questionable; seems like by now people should call it SIGABRT
- instead. */
-
- /* This ugly cast brought to you by the native VAX compiler. */
- for (sig = TARGET_SIGNAL_HUP;
- signals[sig].name != NULL;
- sig = (enum target_signal) ((int) sig + 1))
- if (STREQ (name, signals[sig].name))
- return sig;
- return TARGET_SIGNAL_UNKNOWN;
-}
-\f
-/* The following functions are to help certain targets deal
- with the signal/waitstatus stuff. They could just as well be in
- a file called native-utils.c or unixwaitstatus-utils.c or whatever. */
-
-/* Convert host signal to our signals. */
-enum target_signal
-target_signal_from_host (int hostsig)
-{
- /* A switch statement would make sense but would require special kludges
- to deal with the cases where more than one signal has the same number. */
-
- if (hostsig == 0)
- return TARGET_SIGNAL_0;
-
-#if defined (SIGHUP)
- if (hostsig == SIGHUP)
- return TARGET_SIGNAL_HUP;
-#endif
-#if defined (SIGINT)
- if (hostsig == SIGINT)
- return TARGET_SIGNAL_INT;
-#endif
-#if defined (SIGQUIT)
- if (hostsig == SIGQUIT)
- return TARGET_SIGNAL_QUIT;
-#endif
-#if defined (SIGILL)
- if (hostsig == SIGILL)
- return TARGET_SIGNAL_ILL;
-#endif
-#if defined (SIGTRAP)
- if (hostsig == SIGTRAP)
- return TARGET_SIGNAL_TRAP;
-#endif
-#if defined (SIGABRT)
- if (hostsig == SIGABRT)
- return TARGET_SIGNAL_ABRT;
-#endif
-#if defined (SIGEMT)
- if (hostsig == SIGEMT)
- return TARGET_SIGNAL_EMT;
-#endif
-#if defined (SIGFPE)
- if (hostsig == SIGFPE)
- return TARGET_SIGNAL_FPE;
-#endif
-#if defined (SIGKILL)
- if (hostsig == SIGKILL)
- return TARGET_SIGNAL_KILL;
-#endif
-#if defined (SIGBUS)
- if (hostsig == SIGBUS)
- return TARGET_SIGNAL_BUS;
-#endif
-#if defined (SIGSEGV)
- if (hostsig == SIGSEGV)
- return TARGET_SIGNAL_SEGV;
-#endif
-#if defined (SIGSYS)
- if (hostsig == SIGSYS)
- return TARGET_SIGNAL_SYS;
-#endif
-#if defined (SIGPIPE)
- if (hostsig == SIGPIPE)
- return TARGET_SIGNAL_PIPE;
-#endif
-#if defined (SIGALRM)
- if (hostsig == SIGALRM)
- return TARGET_SIGNAL_ALRM;
-#endif
-#if defined (SIGTERM)
- if (hostsig == SIGTERM)
- return TARGET_SIGNAL_TERM;
-#endif
-#if defined (SIGUSR1)
- if (hostsig == SIGUSR1)
- return TARGET_SIGNAL_USR1;
-#endif
-#if defined (SIGUSR2)
- if (hostsig == SIGUSR2)
- return TARGET_SIGNAL_USR2;
-#endif
-#if defined (SIGCLD)
- if (hostsig == SIGCLD)
- return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGCHLD)
- if (hostsig == SIGCHLD)
- return TARGET_SIGNAL_CHLD;
-#endif
-#if defined (SIGPWR)
- if (hostsig == SIGPWR)
- return TARGET_SIGNAL_PWR;
-#endif
-#if defined (SIGWINCH)
- if (hostsig == SIGWINCH)
- return TARGET_SIGNAL_WINCH;
-#endif
-#if defined (SIGURG)
- if (hostsig == SIGURG)
- return TARGET_SIGNAL_URG;
-#endif
-#if defined (SIGIO)
- if (hostsig == SIGIO)
- return TARGET_SIGNAL_IO;
-#endif
-#if defined (SIGPOLL)
- if (hostsig == SIGPOLL)
- return TARGET_SIGNAL_POLL;
-#endif
-#if defined (SIGSTOP)
- if (hostsig == SIGSTOP)
- return TARGET_SIGNAL_STOP;
-#endif
-#if defined (SIGTSTP)
- if (hostsig == SIGTSTP)
- return TARGET_SIGNAL_TSTP;
-#endif
-#if defined (SIGCONT)
- if (hostsig == SIGCONT)
- return TARGET_SIGNAL_CONT;
-#endif
-#if defined (SIGTTIN)
- if (hostsig == SIGTTIN)
- return TARGET_SIGNAL_TTIN;
-#endif
-#if defined (SIGTTOU)
- if (hostsig == SIGTTOU)
- return TARGET_SIGNAL_TTOU;
-#endif
-#if defined (SIGVTALRM)
- if (hostsig == SIGVTALRM)
- return TARGET_SIGNAL_VTALRM;
-#endif
-#if defined (SIGPROF)
- if (hostsig == SIGPROF)
- return TARGET_SIGNAL_PROF;
-#endif
-#if defined (SIGXCPU)
- if (hostsig == SIGXCPU)
- return TARGET_SIGNAL_XCPU;
-#endif
-#if defined (SIGXFSZ)
- if (hostsig == SIGXFSZ)
- return TARGET_SIGNAL_XFSZ;
-#endif
-#if defined (SIGWIND)
- if (hostsig == SIGWIND)
- return TARGET_SIGNAL_WIND;
-#endif
-#if defined (SIGPHONE)
- if (hostsig == SIGPHONE)
- return TARGET_SIGNAL_PHONE;
-#endif
-#if defined (SIGLOST)
- if (hostsig == SIGLOST)
- return TARGET_SIGNAL_LOST;
-#endif
-#if defined (SIGWAITING)
- if (hostsig == SIGWAITING)
- return TARGET_SIGNAL_WAITING;
-#endif
-#if defined (SIGCANCEL)
- if (hostsig == SIGCANCEL)
- return TARGET_SIGNAL_CANCEL;
-#endif
-#if defined (SIGLWP)
- if (hostsig == SIGLWP)
- return TARGET_SIGNAL_LWP;
-#endif
-#if defined (SIGDANGER)
- if (hostsig == SIGDANGER)
- return TARGET_SIGNAL_DANGER;
-#endif
-#if defined (SIGGRANT)
- if (hostsig == SIGGRANT)
- return TARGET_SIGNAL_GRANT;
-#endif
-#if defined (SIGRETRACT)
- if (hostsig == SIGRETRACT)
- return TARGET_SIGNAL_RETRACT;
-#endif
-#if defined (SIGMSG)
- if (hostsig == SIGMSG)
- return TARGET_SIGNAL_MSG;
-#endif
-#if defined (SIGSOUND)
- if (hostsig == SIGSOUND)
- return TARGET_SIGNAL_SOUND;
-#endif
-#if defined (SIGSAK)
- if (hostsig == SIGSAK)
- return TARGET_SIGNAL_SAK;
-#endif
-#if defined (SIGPRIO)
- if (hostsig == SIGPRIO)
- return TARGET_SIGNAL_PRIO;
-#endif
-
- /* Mach exceptions. Assumes that the values for EXC_ are positive! */
-#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BAD_ACCESS)
- return TARGET_EXC_BAD_ACCESS;
-#endif
-#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BAD_INSTRUCTION)
- return TARGET_EXC_BAD_INSTRUCTION;
-#endif
-#if defined (EXC_ARITHMETIC) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_ARITHMETIC)
- return TARGET_EXC_ARITHMETIC;
-#endif
-#if defined (EXC_EMULATION) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_EMULATION)
- return TARGET_EXC_EMULATION;
-#endif
-#if defined (EXC_SOFTWARE) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_SOFTWARE)
- return TARGET_EXC_SOFTWARE;
-#endif
-#if defined (EXC_BREAKPOINT) && defined (_NSIG)
- if (hostsig == _NSIG + EXC_BREAKPOINT)
- return TARGET_EXC_BREAKPOINT;
-#endif
-
-#if defined (SIGINFO)
- if (hostsig == SIGINFO)
- return TARGET_SIGNAL_INFO;
-#endif
-
-#if defined (REALTIME_LO)
- if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI)
- {
- /* This block of TARGET_SIGNAL_REALTIME value is in order. */
- if (33 <= hostsig && hostsig <= 63)
- return (enum target_signal)
- (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
- else if (hostsig == 32)
- return TARGET_SIGNAL_REALTIME_32;
- else
- error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
- }
-#endif
-
-#if defined (SIGRTMIN)
- if (hostsig >= SIGRTMIN && hostsig <= SIGRTMAX)
- {
- /* This block of TARGET_SIGNAL_REALTIME value is in order. */
- if (33 <= hostsig && hostsig <= 63)
- return (enum target_signal)
- (hostsig - 33 + (int) TARGET_SIGNAL_REALTIME_33);
- else if (hostsig == 64)
- return TARGET_SIGNAL_REALTIME_64;
- else
- error ("GDB bug: target.c (target_signal_from_host): unrecognized real-time signal");
- }
-#endif
- return TARGET_SIGNAL_UNKNOWN;
-}
-
-/* Convert a OURSIG (an enum target_signal) to the form used by the
- target operating system (refered to as the ``host'') or zero if the
- equivalent host signal is not available. Set/clear OURSIG_OK
- accordingly. */
-
-static int
-do_target_signal_to_host (enum target_signal oursig,
- int *oursig_ok)
-{
- *oursig_ok = 1;
- switch (oursig)
- {
- case TARGET_SIGNAL_0:
- return 0;
-
-#if defined (SIGHUP)
- case TARGET_SIGNAL_HUP:
- return SIGHUP;
-#endif
-#if defined (SIGINT)
- case TARGET_SIGNAL_INT:
- return SIGINT;
-#endif
-#if defined (SIGQUIT)
- case TARGET_SIGNAL_QUIT:
- return SIGQUIT;
-#endif
-#if defined (SIGILL)
- case TARGET_SIGNAL_ILL:
- return SIGILL;
-#endif
-#if defined (SIGTRAP)
- case TARGET_SIGNAL_TRAP:
- return SIGTRAP;
-#endif
-#if defined (SIGABRT)
- case TARGET_SIGNAL_ABRT:
- return SIGABRT;
-#endif
-#if defined (SIGEMT)
- case TARGET_SIGNAL_EMT:
- return SIGEMT;
-#endif
-#if defined (SIGFPE)
- case TARGET_SIGNAL_FPE:
- return SIGFPE;
-#endif
-#if defined (SIGKILL)
- case TARGET_SIGNAL_KILL:
- return SIGKILL;
-#endif
-#if defined (SIGBUS)
- case TARGET_SIGNAL_BUS:
- return SIGBUS;
-#endif
-#if defined (SIGSEGV)
- case TARGET_SIGNAL_SEGV:
- return SIGSEGV;
-#endif
-#if defined (SIGSYS)
- case TARGET_SIGNAL_SYS:
- return SIGSYS;
-#endif
-#if defined (SIGPIPE)
- case TARGET_SIGNAL_PIPE:
- return SIGPIPE;
-#endif
-#if defined (SIGALRM)
- case TARGET_SIGNAL_ALRM:
- return SIGALRM;
-#endif
-#if defined (SIGTERM)
- case TARGET_SIGNAL_TERM:
- return SIGTERM;
-#endif
-#if defined (SIGUSR1)
- case TARGET_SIGNAL_USR1:
- return SIGUSR1;
-#endif
-#if defined (SIGUSR2)
- case TARGET_SIGNAL_USR2:
- return SIGUSR2;
-#endif
-#if defined (SIGCHLD) || defined (SIGCLD)
- case TARGET_SIGNAL_CHLD:
-#if defined (SIGCHLD)
- return SIGCHLD;
-#else
- return SIGCLD;
-#endif
-#endif /* SIGCLD or SIGCHLD */
-#if defined (SIGPWR)
- case TARGET_SIGNAL_PWR:
- return SIGPWR;
-#endif
-#if defined (SIGWINCH)
- case TARGET_SIGNAL_WINCH:
- return SIGWINCH;
-#endif
-#if defined (SIGURG)
- case TARGET_SIGNAL_URG:
- return SIGURG;
-#endif
-#if defined (SIGIO)
- case TARGET_SIGNAL_IO:
- return SIGIO;
-#endif
-#if defined (SIGPOLL)
- case TARGET_SIGNAL_POLL:
- return SIGPOLL;
-#endif
-#if defined (SIGSTOP)
- case TARGET_SIGNAL_STOP:
- return SIGSTOP;
-#endif
-#if defined (SIGTSTP)
- case TARGET_SIGNAL_TSTP:
- return SIGTSTP;
-#endif
-#if defined (SIGCONT)
- case TARGET_SIGNAL_CONT:
- return SIGCONT;
-#endif
-#if defined (SIGTTIN)
- case TARGET_SIGNAL_TTIN:
- return SIGTTIN;
-#endif
-#if defined (SIGTTOU)
- case TARGET_SIGNAL_TTOU:
- return SIGTTOU;
-#endif
-#if defined (SIGVTALRM)
- case TARGET_SIGNAL_VTALRM:
- return SIGVTALRM;
-#endif
-#if defined (SIGPROF)
- case TARGET_SIGNAL_PROF:
- return SIGPROF;
-#endif
-#if defined (SIGXCPU)
- case TARGET_SIGNAL_XCPU:
- return SIGXCPU;
-#endif
-#if defined (SIGXFSZ)
- case TARGET_SIGNAL_XFSZ:
- return SIGXFSZ;
-#endif
-#if defined (SIGWIND)
- case TARGET_SIGNAL_WIND:
- return SIGWIND;
-#endif
-#if defined (SIGPHONE)
- case TARGET_SIGNAL_PHONE:
- return SIGPHONE;
-#endif
-#if defined (SIGLOST)
- case TARGET_SIGNAL_LOST:
- return SIGLOST;
-#endif
-#if defined (SIGWAITING)
- case TARGET_SIGNAL_WAITING:
- return SIGWAITING;
-#endif
-#if defined (SIGCANCEL)
- case TARGET_SIGNAL_CANCEL:
- return SIGCANCEL;
-#endif
-#if defined (SIGLWP)
- case TARGET_SIGNAL_LWP:
- return SIGLWP;
-#endif
-#if defined (SIGDANGER)
- case TARGET_SIGNAL_DANGER:
- return SIGDANGER;
-#endif
-#if defined (SIGGRANT)
- case TARGET_SIGNAL_GRANT:
- return SIGGRANT;
-#endif
-#if defined (SIGRETRACT)
- case TARGET_SIGNAL_RETRACT:
- return SIGRETRACT;
-#endif
-#if defined (SIGMSG)
- case TARGET_SIGNAL_MSG:
- return SIGMSG;
-#endif
-#if defined (SIGSOUND)
- case TARGET_SIGNAL_SOUND:
- return SIGSOUND;
-#endif
-#if defined (SIGSAK)
- case TARGET_SIGNAL_SAK:
- return SIGSAK;
-#endif
-#if defined (SIGPRIO)
- case TARGET_SIGNAL_PRIO:
- return SIGPRIO;
-#endif
-
- /* Mach exceptions. Assumes that the values for EXC_ are positive! */
-#if defined (EXC_BAD_ACCESS) && defined (_NSIG)
- case TARGET_EXC_BAD_ACCESS:
- return _NSIG + EXC_BAD_ACCESS;
-#endif
-#if defined (EXC_BAD_INSTRUCTION) && defined (_NSIG)
- case TARGET_EXC_BAD_INSTRUCTION:
- return _NSIG + EXC_BAD_INSTRUCTION;
-#endif
-#if defined (EXC_ARITHMETIC) && defined (_NSIG)
- case TARGET_EXC_ARITHMETIC:
- return _NSIG + EXC_ARITHMETIC;
-#endif
-#if defined (EXC_EMULATION) && defined (_NSIG)
- case TARGET_EXC_EMULATION:
- return _NSIG + EXC_EMULATION;
-#endif
-#if defined (EXC_SOFTWARE) && defined (_NSIG)
- case TARGET_EXC_SOFTWARE:
- return _NSIG + EXC_SOFTWARE;
-#endif
-#if defined (EXC_BREAKPOINT) && defined (_NSIG)
- case TARGET_EXC_BREAKPOINT:
- return _NSIG + EXC_BREAKPOINT;
-#endif
-
-#if defined (SIGINFO)
- case TARGET_SIGNAL_INFO:
- return SIGINFO;
-#endif
-
- default:
-#if defined (REALTIME_LO)
- if (oursig >= TARGET_SIGNAL_REALTIME_33
- && oursig <= TARGET_SIGNAL_REALTIME_63)
- {
- /* This block of signals is continuous, and
- TARGET_SIGNAL_REALTIME_33 is 33 by definition. */
- int retsig =
- (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33;
- if (retsig >= REALTIME_LO && retsig < REALTIME_HI)
- return retsig;
- }
-#if (REALTIME_LO < 33)
- else if (oursig == TARGET_SIGNAL_REALTIME_32)
- {
- /* TARGET_SIGNAL_REALTIME_32 isn't contiguous with
- TARGET_SIGNAL_REALTIME_33. It is 32 by definition. */
- return 32;
- }
-#endif
-#endif
-
-#if defined (SIGRTMIN)
- if (oursig >= TARGET_SIGNAL_REALTIME_33
- && oursig <= TARGET_SIGNAL_REALTIME_63)
- {
- /* This block of signals is continuous, and
- TARGET_SIGNAL_REALTIME_33 is 33 by definition. */
- int retsig =
- (int) oursig - (int) TARGET_SIGNAL_REALTIME_33 + 33;
- if (retsig >= SIGRTMIN && retsig <= SIGRTMAX)
- return retsig;
- }
- else if (oursig == TARGET_SIGNAL_REALTIME_64)
- return 64;
-#endif
- *oursig_ok = 0;
- return 0;
- }
-}
-
-int
-target_signal_to_host_p (enum target_signal oursig)
-{
- int oursig_ok;
- do_target_signal_to_host (oursig, &oursig_ok);
- return oursig_ok;
-}
-
-int
-target_signal_to_host (enum target_signal oursig)
-{
- int oursig_ok;
- int targ_signo = do_target_signal_to_host (oursig, &oursig_ok);
- if (!oursig_ok)
- {
- /* The user might be trying to do "signal SIGSAK" where this system
- doesn't have SIGSAK. */
- warning ("Signal %s does not exist on this system.\n",
- target_signal_to_name (oursig));
- return 0;
- }
- else
- return targ_signo;
-}
-
/* Helper function for child_wait and the Lynx derivatives of child_wait.
HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
translation of that in OURSTATUS. */
}
}
\f
-/* In some circumstances we allow a command to specify a numeric
- signal. The idea is to keep these circumstances limited so that
- users (and scripts) develop portable habits. For comparison,
- POSIX.2 `kill' requires that 1,2,3,6,9,14, and 15 work (and using a
- numeric signal at all is obsolescent. We are slightly more
- lenient and allow 1-15 which should match host signal numbers on
- most systems. Use of symbolic signal names is strongly encouraged. */
-
-enum target_signal
-target_signal_from_command (int num)
-{
- if (num >= 1 && num <= 15)
- return (enum target_signal) num;
- error ("Only signals 1-15 are valid as numeric signals.\n\
-Use \"info signals\" for a list of symbolic signals.");
-}
-\f
/* Returns zero to leave the inferior alone, one to interrupt it. */
int (*target_activity_function) (void);
int target_activity_fd;
buffer. */
char *
-normal_pid_to_str (int pid)
+normal_pid_to_str (ptid_t ptid)
{
static char buf[30];
- sprintf (buf, "process %d", pid);
+ sprintf (buf, "process %d", PIDGET (ptid));
return buf;
}
target_acknowledge_forked_child.
*/
static void
-normal_target_post_startup_inferior (int pid)
+normal_target_post_startup_inferior (ptid_t ptid)
{
/* This space intentionally left blank. */
}
+/* Error-catcher for target_find_memory_regions */
+/* ARGSUSED */
+static int dummy_find_memory_regions (int (*ignore1) (), void *ignore2)
+{
+ error ("No target.");
+ return 0;
+}
+
+/* Error-catcher for target_make_corefile_notes */
+/* ARGSUSED */
+static char * dummy_make_corefile_notes (bfd *ignore1, int *ignore2)
+{
+ error ("No target.");
+ return NULL;
+}
+
/* Set up the handful of non-empty slots needed by the dummy target
vector. */
dummy_target.to_clone_and_follow_inferior = find_default_clone_and_follow_inferior;
dummy_target.to_pid_to_str = normal_pid_to_str;
dummy_target.to_stratum = dummy_stratum;
+ dummy_target.to_find_memory_regions = dummy_find_memory_regions;
+ dummy_target.to_make_corefile_notes = dummy_make_corefile_notes;
dummy_target.to_magic = OPS_MAGIC;
}
\f
}
static void
-debug_to_resume (int pid, int step, enum target_signal siggnal)
+debug_to_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
- debug_target.to_resume (pid, step, siggnal);
+ debug_target.to_resume (ptid, step, siggnal);
- fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", pid,
+ fprintf_unfiltered (gdb_stdlog, "target_resume (%d, %s, %s)\n", PIDGET (ptid),
step ? "step" : "continue",
target_signal_to_name (siggnal));
}
-static int
-debug_to_wait (int pid, struct target_waitstatus *status)
+static ptid_t
+debug_to_wait (ptid_t ptid, struct target_waitstatus *status)
{
- int retval;
+ ptid_t retval;
- retval = debug_target.to_wait (pid, status);
+ retval = debug_target.to_wait (ptid, status);
fprintf_unfiltered (gdb_stdlog,
- "target_wait (%d, status) = %d, ", pid, retval);
+ "target_wait (%d, status) = %d, ", PIDGET (ptid),
+ PIDGET (retval));
fprintf_unfiltered (gdb_stdlog, "status->kind = ");
switch (status->kind)
{
}
static void
-debug_to_post_wait (int pid, int status)
+debug_to_post_wait (ptid_t ptid, int status)
{
- debug_target.to_post_wait (pid, status);
+ debug_target.to_post_wait (ptid, status);
fprintf_unfiltered (gdb_stdlog, "target_post_wait (%d, %d)\n",
- pid, status);
+ PIDGET (ptid), status);
+}
+
+static void
+debug_print_register (const char * func, int regno)
+{
+ fprintf_unfiltered (gdb_stdlog, "%s ", func);
+ if (regno >= 0 && regno < NUM_REGS + NUM_PSEUDO_REGS
+ && REGISTER_NAME (regno) != NULL && REGISTER_NAME (regno)[0] != '\0')
+ fprintf_unfiltered (gdb_stdlog, "(%s)", REGISTER_NAME (regno));
+ else
+ fprintf_unfiltered (gdb_stdlog, "(%d)", regno);
+ if (regno >= 0)
+ {
+ int i;
+ unsigned char *buf = alloca (MAX_REGISTER_RAW_SIZE);
+ read_register_gen (regno, buf);
+ fprintf_unfiltered (gdb_stdlog, " = ");
+ for (i = 0; i < REGISTER_RAW_SIZE (regno); i++)
+ {
+ fprintf_unfiltered (gdb_stdlog, "%02x", buf[i]);
+ }
+ if (REGISTER_RAW_SIZE (regno) <= sizeof (LONGEST))
+ {
+ fprintf_unfiltered (gdb_stdlog, " 0x%s %s",
+ paddr_nz (read_register (regno)),
+ paddr_d (read_register (regno)));
+ }
+ }
+ fprintf_unfiltered (gdb_stdlog, "\n");
}
static void
debug_to_fetch_registers (int regno)
{
debug_target.to_fetch_registers (regno);
-
- fprintf_unfiltered (gdb_stdlog, "target_fetch_registers (%s)",
- regno != -1 ? REGISTER_NAME (regno) : "-1");
- if (regno != -1)
- fprintf_unfiltered (gdb_stdlog, " = 0x%lx %ld",
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
- fprintf_unfiltered (gdb_stdlog, "\n");
+ debug_print_register ("target_fetch_registers", regno);
}
static void
debug_to_store_registers (int regno)
{
debug_target.to_store_registers (regno);
-
- if (regno >= 0 && regno < NUM_REGS)
- fprintf_unfiltered (gdb_stdlog, "target_store_registers (%s) = 0x%lx %ld\n",
- REGISTER_NAME (regno),
- (unsigned long) read_register (regno),
- (unsigned long) read_register (regno));
- else
- fprintf_unfiltered (gdb_stdlog, "target_store_registers (%d)\n", regno);
+ debug_print_register ("target_store_registers", regno);
+ fprintf_unfiltered (gdb_stdlog, "\n");
}
static void
return retval;
}
+static int
+debug_to_can_use_hw_breakpoint (int type, int cnt, int from_tty)
+{
+ int retval;
+
+ retval = debug_target.to_can_use_hw_breakpoint (type, cnt, from_tty);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_can_use_hw_breakpoint (%ld, %ld, %ld) = %ld\n",
+ (unsigned long) type,
+ (unsigned long) cnt,
+ (unsigned long) from_tty,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_region_size_ok_for_hw_watchpoint (int byte_count)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_region_size_ok_for_hw_watchpoint (byte_count);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT (%ld) = 0x%lx\n",
+ (unsigned long) byte_count,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_stopped_by_watchpoint (void)
+{
+ int retval;
+
+ retval = debug_target.to_stopped_by_watchpoint ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "STOPPED_BY_WATCHPOINT () = %ld\n",
+ (unsigned long) retval);
+ return retval;
+}
+
+static CORE_ADDR
+debug_to_stopped_data_address (void)
+{
+ CORE_ADDR retval;
+
+ retval = debug_target.to_stopped_data_address ();
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_stopped_data_address () = 0x%lx\n",
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_insert_hw_breakpoint (CORE_ADDR addr, char *save)
+{
+ int retval;
+
+ retval = debug_target.to_insert_hw_breakpoint (addr, save);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_remove_hw_breakpoint (CORE_ADDR addr, char *save)
+{
+ int retval;
+
+ retval = debug_target.to_remove_hw_breakpoint (addr, save);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_remove_hw_breakpoint (0x%lx, xxx) = %ld\n",
+ (unsigned long) addr,
+ (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_insert_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n",
+ (unsigned long) addr, len, type, (unsigned long) retval);
+ return retval;
+}
+
+static int
+debug_to_remove_watchpoint (CORE_ADDR addr, int len, int type)
+{
+ int retval;
+
+ retval = debug_target.to_insert_watchpoint (addr, len, type);
+
+ fprintf_unfiltered (gdb_stdlog,
+ "target_insert_watchpoint (0x%lx, %d, %d) = %ld\n",
+ (unsigned long) addr, len, type, (unsigned long) retval);
+ return retval;
+}
+
static void
debug_to_terminal_init (void)
{
fprintf_unfiltered (gdb_stdlog, "target_terminal_ours ()\n");
}
+static void
+debug_to_terminal_save_ours (void)
+{
+ debug_target.to_terminal_save_ours ();
+
+ fprintf_unfiltered (gdb_stdlog, "target_terminal_save_ours ()\n");
+}
+
static void
debug_to_terminal_info (char *arg, int from_tty)
{
}
static void
-debug_to_post_startup_inferior (int pid)
+debug_to_post_startup_inferior (ptid_t ptid)
{
- debug_target.to_post_startup_inferior (pid);
+ debug_target.to_post_startup_inferior (ptid);
fprintf_unfiltered (gdb_stdlog, "target_post_startup_inferior (%d)\n",
- pid);
+ PIDGET (ptid));
}
static void
}
static void
-debug_to_notice_signals (int pid)
+debug_to_notice_signals (ptid_t ptid)
{
- debug_target.to_notice_signals (pid);
+ debug_target.to_notice_signals (ptid);
- fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n", pid);
+ fprintf_unfiltered (gdb_stdlog, "target_notice_signals (%d)\n",
+ PIDGET (ptid));
}
static int
-debug_to_thread_alive (int pid)
+debug_to_thread_alive (ptid_t ptid)
{
int retval;
- retval = debug_target.to_thread_alive (pid);
+ retval = debug_target.to_thread_alive (ptid);
fprintf_unfiltered (gdb_stdlog, "target_thread_alive (%d) = %d\n",
- pid, retval);
+ PIDGET (ptid), retval);
return retval;
}
current_target.to_files_info = debug_to_files_info;
current_target.to_insert_breakpoint = debug_to_insert_breakpoint;
current_target.to_remove_breakpoint = debug_to_remove_breakpoint;
+ current_target.to_can_use_hw_breakpoint = debug_to_can_use_hw_breakpoint;
+ current_target.to_insert_hw_breakpoint = debug_to_insert_hw_breakpoint;
+ current_target.to_remove_hw_breakpoint = debug_to_remove_hw_breakpoint;
+ current_target.to_insert_watchpoint = debug_to_insert_watchpoint;
+ current_target.to_remove_watchpoint = debug_to_remove_watchpoint;
+ current_target.to_stopped_by_watchpoint = debug_to_stopped_by_watchpoint;
+ current_target.to_stopped_data_address = debug_to_stopped_data_address;
+ current_target.to_region_size_ok_for_hw_watchpoint = debug_to_region_size_ok_for_hw_watchpoint;
current_target.to_terminal_init = debug_to_terminal_init;
current_target.to_terminal_inferior = debug_to_terminal_inferior;
current_target.to_terminal_ours_for_output = debug_to_terminal_ours_for_output;
current_target.to_terminal_ours = debug_to_terminal_ours;
+ current_target.to_terminal_save_ours = debug_to_terminal_save_ours;
current_target.to_terminal_info = debug_to_terminal_info;
current_target.to_kill = debug_to_kill;
current_target.to_load = debug_to_load;
add_info ("target", target_info, targ_desc);
add_info ("files", target_info, targ_desc);
- add_show_from_set (
- add_set_cmd ("target", class_maintenance, var_zinteger,
- (char *) &targetdebug,
- "Set target debugging.\n\
+ add_show_from_set
+ (add_set_cmd ("target", class_maintenance, var_zinteger,
+ (char *) &targetdebug,
+ "Set target debugging.\n\
When non-zero, target debugging is enabled.", &setdebuglist),
- &showdebuglist);
-
+ &showdebuglist);
+
+ add_setshow_boolean_cmd ("trust-readonly-sections", class_support,
+ &trust_readonly, "\
+Set mode for reading from readonly sections.\n\
+When this mode is on, memory reads from readonly sections (such as .text)\n\
+will be read from the object file instead of from the target. This will\n\
+result in significant performance improvement for remote targets.", "\
+Show mode for reading from readonly sections.\n",
+ NULL, NULL,
+ &setlist, &showlist);
add_com ("monitor", class_obscure, do_monitor_command,
"Send a command to the remote monitor (remote targets only).");
- target_dcache = dcache_init();
-
- if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC"))
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ target_dcache = dcache_init ();
}