X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Ftarget.h;h=7c97ba619d3465e2985e2f533a0b6c2f11ffd6ef;hb=1d9d99f32d861ae85dd59689ada801cc51d3ac91;hp=d007bbab4786dfe3eaf4a1a4d5785de2d98f0107;hpb=29e5738069326d025cb0aecc2aab25186ef669b8;p=binutils-gdb.git diff --git a/gdb/target.h b/gdb/target.h index d007bbab478..7c97ba619d3 100644 --- a/gdb/target.h +++ b/gdb/target.h @@ -1,5 +1,6 @@ /* Interface between GDB and target environments, including files and processes - Copyright 1990-1994, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2001 Free Software Foundation, Inc. Contributed by Cygnus Support. Written by John Gilmore. This file is part of GDB. @@ -123,149 +124,6 @@ enum target_waitkind TARGET_WAITKIND_IGNORE }; -/* The numbering of these signals is chosen to match traditional unix - signals (insofar as various unices use the same numbers, anyway). - It is also the numbering of the GDB remote protocol. Other remote - protocols, if they use a different numbering, should make sure to - translate appropriately. - - Since these numbers have actually made it out into other software - (stubs, etc.), you mustn't disturb the assigned numbering. If you - need to add new signals here, add them to the end of the explicitly - numbered signals. - - This is based strongly on Unix/POSIX signals for several reasons: - (1) This set of signals represents a widely-accepted attempt to - represent events of this sort in a portable fashion, (2) we want a - signal to make it from wait to child_wait to the user intact, (3) many - remote protocols use a similar encoding. However, it is - recognized that this set of signals has limitations (such as not - distinguishing between various kinds of SIGSEGV, or not - distinguishing hitting a breakpoint from finishing a single step). - So in the future we may get around this either by adding additional - signals for breakpoint, single-step, etc., or by adding signal - codes; the latter seems more in the spirit of what BSD, System V, - etc. are doing to address these issues. */ - -/* For an explanation of what each signal means, see - target_signal_to_string. */ - -enum target_signal - { - /* Used some places (e.g. stop_signal) to record the concept that - there is no signal. */ - TARGET_SIGNAL_0 = 0, - TARGET_SIGNAL_FIRST = 0, - TARGET_SIGNAL_HUP = 1, - TARGET_SIGNAL_INT = 2, - TARGET_SIGNAL_QUIT = 3, - TARGET_SIGNAL_ILL = 4, - TARGET_SIGNAL_TRAP = 5, - TARGET_SIGNAL_ABRT = 6, - TARGET_SIGNAL_EMT = 7, - TARGET_SIGNAL_FPE = 8, - TARGET_SIGNAL_KILL = 9, - TARGET_SIGNAL_BUS = 10, - TARGET_SIGNAL_SEGV = 11, - TARGET_SIGNAL_SYS = 12, - TARGET_SIGNAL_PIPE = 13, - TARGET_SIGNAL_ALRM = 14, - TARGET_SIGNAL_TERM = 15, - TARGET_SIGNAL_URG = 16, - TARGET_SIGNAL_STOP = 17, - TARGET_SIGNAL_TSTP = 18, - TARGET_SIGNAL_CONT = 19, - TARGET_SIGNAL_CHLD = 20, - TARGET_SIGNAL_TTIN = 21, - TARGET_SIGNAL_TTOU = 22, - TARGET_SIGNAL_IO = 23, - TARGET_SIGNAL_XCPU = 24, - TARGET_SIGNAL_XFSZ = 25, - TARGET_SIGNAL_VTALRM = 26, - TARGET_SIGNAL_PROF = 27, - TARGET_SIGNAL_WINCH = 28, - TARGET_SIGNAL_LOST = 29, - TARGET_SIGNAL_USR1 = 30, - TARGET_SIGNAL_USR2 = 31, - TARGET_SIGNAL_PWR = 32, - /* Similar to SIGIO. Perhaps they should have the same number. */ - TARGET_SIGNAL_POLL = 33, - TARGET_SIGNAL_WIND = 34, - TARGET_SIGNAL_PHONE = 35, - TARGET_SIGNAL_WAITING = 36, - TARGET_SIGNAL_LWP = 37, - TARGET_SIGNAL_DANGER = 38, - TARGET_SIGNAL_GRANT = 39, - TARGET_SIGNAL_RETRACT = 40, - TARGET_SIGNAL_MSG = 41, - TARGET_SIGNAL_SOUND = 42, - TARGET_SIGNAL_SAK = 43, - TARGET_SIGNAL_PRIO = 44, - TARGET_SIGNAL_REALTIME_33 = 45, - TARGET_SIGNAL_REALTIME_34 = 46, - TARGET_SIGNAL_REALTIME_35 = 47, - TARGET_SIGNAL_REALTIME_36 = 48, - TARGET_SIGNAL_REALTIME_37 = 49, - TARGET_SIGNAL_REALTIME_38 = 50, - TARGET_SIGNAL_REALTIME_39 = 51, - TARGET_SIGNAL_REALTIME_40 = 52, - TARGET_SIGNAL_REALTIME_41 = 53, - TARGET_SIGNAL_REALTIME_42 = 54, - TARGET_SIGNAL_REALTIME_43 = 55, - TARGET_SIGNAL_REALTIME_44 = 56, - TARGET_SIGNAL_REALTIME_45 = 57, - TARGET_SIGNAL_REALTIME_46 = 58, - TARGET_SIGNAL_REALTIME_47 = 59, - TARGET_SIGNAL_REALTIME_48 = 60, - TARGET_SIGNAL_REALTIME_49 = 61, - TARGET_SIGNAL_REALTIME_50 = 62, - TARGET_SIGNAL_REALTIME_51 = 63, - TARGET_SIGNAL_REALTIME_52 = 64, - TARGET_SIGNAL_REALTIME_53 = 65, - TARGET_SIGNAL_REALTIME_54 = 66, - TARGET_SIGNAL_REALTIME_55 = 67, - TARGET_SIGNAL_REALTIME_56 = 68, - TARGET_SIGNAL_REALTIME_57 = 69, - TARGET_SIGNAL_REALTIME_58 = 70, - TARGET_SIGNAL_REALTIME_59 = 71, - TARGET_SIGNAL_REALTIME_60 = 72, - TARGET_SIGNAL_REALTIME_61 = 73, - TARGET_SIGNAL_REALTIME_62 = 74, - TARGET_SIGNAL_REALTIME_63 = 75, - - /* Used internally by Solaris threads. See signal(5) on Solaris. */ - TARGET_SIGNAL_CANCEL = 76, - - /* Yes, this pains me, too. But LynxOS didn't have SIG32, and now - Linux does, and we can't disturb the numbering, since it's part - of the protocol. Note that in some GDB's TARGET_SIGNAL_REALTIME_32 - is number 76. */ - TARGET_SIGNAL_REALTIME_32, - /* Yet another pain, IRIX 6 has SIG64. */ - TARGET_SIGNAL_REALTIME_64, - -#if defined(MACH) || defined(__MACH__) - /* Mach exceptions */ - TARGET_EXC_BAD_ACCESS, - TARGET_EXC_BAD_INSTRUCTION, - TARGET_EXC_ARITHMETIC, - TARGET_EXC_EMULATION, - TARGET_EXC_SOFTWARE, - TARGET_EXC_BREAKPOINT, -#endif - TARGET_SIGNAL_INFO, - - /* Some signal we don't know about. */ - TARGET_SIGNAL_UNKNOWN, - - /* Use whatever signal we use when one is not specifically specified - (for passing to proceed and so on). */ - TARGET_SIGNAL_DEFAULT, - - /* Last and unused enum value, for sizing arrays, etc. */ - TARGET_SIGNAL_LAST - }; - struct target_waitstatus { enum target_waitkind kind; @@ -338,9 +196,9 @@ struct target_ops void (*to_require_attach) (char *, int); void (*to_detach) (char *, int); void (*to_require_detach) (int, char *, int); - void (*to_resume) (int, int, enum target_signal); - int (*to_wait) (int, struct target_waitstatus *); - void (*to_post_wait) (int, int); + void (*to_resume) (ptid_t, int, enum target_signal); + ptid_t (*to_wait) (ptid_t, struct target_waitstatus *); + void (*to_post_wait) (ptid_t, int); void (*to_fetch_registers) (int); void (*to_store_registers) (int); void (*to_prepare_to_store) (void); @@ -403,7 +261,7 @@ struct target_ops void (*to_load) (char *, int); int (*to_lookup_symbol) (char *, CORE_ADDR *); void (*to_create_inferior) (char *, char *, char **); - void (*to_post_startup_inferior) (int); + void (*to_post_startup_inferior) (ptid_t); void (*to_acknowledge_created_inferior) (int); void (*to_clone_and_follow_inferior) (int, int *); void (*to_post_follow_inferior_by_clone) (void); @@ -423,10 +281,10 @@ struct target_ops int (*to_has_exited) (int, int, int *); void (*to_mourn_inferior) (void); int (*to_can_run) (void); - void (*to_notice_signals) (int pid); - int (*to_thread_alive) (int pid); + void (*to_notice_signals) (ptid_t ptid); + int (*to_thread_alive) (ptid_t ptid); void (*to_find_new_threads) (void); - char *(*to_pid_to_str) (int); + char *(*to_pid_to_str) (ptid_t); char *(*to_extra_thread_info) (struct thread_info *); void (*to_stop) (void); int (*to_query) (int /*char */ , char *, char *, int *); @@ -436,7 +294,6 @@ struct target_ops int); struct exception_event_record *(*to_get_current_exception_event) (void); char *(*to_pid_to_exec_file) (int pid); - char *(*to_core_file_to_sym_file) (char *); enum strata to_stratum; struct target_ops *DONT_USE; /* formerly to_next */ @@ -564,18 +421,18 @@ extern void target_detach (char *, int); #define target_require_detach(pid, args, from_tty) \ (*current_target.to_require_detach) (pid, args, from_tty) -/* Resume execution of the target process PID. STEP says whether to +/* Resume execution of the target process PTID. STEP says whether to single-step or to run free; SIGGNAL is the signal to be given to the target, or TARGET_SIGNAL_0 for no signal. The caller may not pass TARGET_SIGNAL_DEFAULT. */ -#define target_resume(pid, step, siggnal) \ +#define target_resume(ptid, step, siggnal) \ do { \ dcache_invalidate(target_dcache); \ - (*current_target.to_resume) (pid, step, siggnal); \ + (*current_target.to_resume) (ptid, step, siggnal); \ } while (0) -/* Wait for process pid to do something. Pid = -1 to wait for any pid +/* Wait for process pid to do something. PTID = -1 to wait for any pid to do something. Return pid of child, or -1 in case of error; store status through argument pointer STATUS. Note that it is *not* OK to return_to_top_level out of target_wait without popping @@ -583,8 +440,8 @@ extern void target_detach (char *, int); to the prompt with a debugging target but without the frame cache, stop_pc, etc., set up. */ -#define target_wait(pid, status) \ - (*current_target.to_wait) (pid, status) +#define target_wait(ptid, status) \ + (*current_target.to_wait) (ptid, status) /* The target_wait operation waits for a process event to occur, and thereby stop the process. @@ -596,10 +453,10 @@ extern void target_detach (char *, int); This operation provides a target-specific hook that allows the necessary bookkeeping to be performed to track such sequences. */ -#define target_post_wait(pid, status) \ - (*current_target.to_post_wait) (pid, status) +#define target_post_wait(ptid, status) \ + (*current_target.to_post_wait) (ptid, status) -/* Fetch register REGNO, or all regs if regno == -1. No result. */ +/* Fetch at least register REGNO, or all regs if regno == -1. No result. */ #define target_fetch_registers(regno) \ (*current_target.to_fetch_registers) (regno) @@ -657,9 +514,9 @@ extern char *child_core_file_to_sym_file (char *); extern void child_post_attach (int); #endif -extern void child_post_wait (int, int); +extern void child_post_wait (ptid_t, int); -extern void child_post_startup_inferior (int); +extern void child_post_startup_inferior (ptid_t); extern void child_acknowledge_created_inferior (int); @@ -697,7 +554,7 @@ extern int child_has_syscall_event (int, enum target_waitkind *, int *); extern int child_has_exited (int, int, int *); -extern int child_thread_alive (int); +extern int child_thread_alive (ptid_t); /* From exec.c */ @@ -783,7 +640,7 @@ extern void target_load (char *arg, int from_tty); #define target_lookup_symbol(name, addrp) \ (*current_target.to_lookup_symbol) (name, addrp) -/* Start an inferior process and set inferior_pid to its pid. +/* Start an inferior process and set inferior_ptid to its pid. EXEC_FILE is the file to run. ALLARGS is a string containing the arguments to the program. ENV is the environment vector to pass. Errors reported with error(). @@ -803,8 +660,8 @@ extern void target_load (char *arg, int from_tty); Such targets will supply an appropriate definition for this function. */ -#define target_post_startup_inferior(pid) \ - (*current_target.to_post_startup_inferior) (pid) +#define target_post_startup_inferior(ptid) \ + (*current_target.to_post_startup_inferior) (ptid) /* On some targets, the sequence of starting up an inferior requires some synchronization between gdb and the new inferior process, PID. */ @@ -946,13 +803,13 @@ extern void target_load (char *arg, int from_tty); /* post process changes to signal handling in the inferior. */ -#define target_notice_signals(pid) \ - (*current_target.to_notice_signals) (pid) +#define target_notice_signals(ptid) \ + (*current_target.to_notice_signals) (ptid) /* Check to see if a thread is still alive. */ -#define target_thread_alive(pid) \ - (*current_target.to_thread_alive) (pid) +#define target_thread_alive(ptid) \ + (*current_target.to_thread_alive) (ptid) /* Query for new threads and add them to the thread list. */ @@ -1087,7 +944,7 @@ extern void target_link (char *, CORE_ADDR *); #ifndef target_tid_to_str #define target_tid_to_str(PID) \ target_pid_to_str (PID) -extern char *normal_pid_to_str (int pid); +extern char *normal_pid_to_str (ptid_t ptid); #endif /* Return a short string describing extra information about PID, @@ -1393,21 +1250,7 @@ extern void push_remote_target (char *name, int from_tty); /* Imported from machine dependent code */ -#ifndef SOFTWARE_SINGLE_STEP_P -#define SOFTWARE_SINGLE_STEP_P 0 -#define SOFTWARE_SINGLE_STEP(sig,bp_p) \ - (internal_error ("SOFTWARE_SINGLE_STEP"), 0) -#endif /* SOFTWARE_SINGLE_STEP_P */ - /* Blank target vector entries are initialized to target_ignore. */ void target_ignore (void); -/* Macro for getting target's idea of a frame pointer. - FIXME: GDB's whole scheme for dealing with "frames" and - "frame pointers" needs a serious shakedown. */ -#ifndef TARGET_VIRTUAL_FRAME_POINTER -#define TARGET_VIRTUAL_FRAME_POINTER(ADDR, REGP, OFFP) \ - do { *(REGP) = FP_REGNUM; *(OFFP) = 0; } while (0) -#endif /* TARGET_VIRTUAL_FRAME_POINTER */ - #endif /* !defined (TARGET_H) */