X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Flinux-nat.h;h=e02611fcf14cff52f2fc0343be37ab3e92a4939f;hb=202e762b322444344827acbf98162fcb2910e0dd;hp=fbee35e9b64e412fd144addbf9cdd18b4191a7d7;hpb=57810aa7e8032c598897454daea14ed17df0f89d;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/linux-nat.h b/gdb/linux-nat.h index fbee35e9b6..e02611fcf1 100644 --- a/gdb/linux-nat.h +++ b/gdb/linux-nat.h @@ -1,6 +1,6 @@ /* Native debugging support for GNU/Linux (LWP layer). - Copyright (C) 2000-2018 Free Software Foundation, Inc. + Copyright (C) 2000-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -17,6 +17,9 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ +#ifndef LINUX_NAT_H +#define LINUX_NAT_H + #include "nat/linux-nat.h" #include "inf-ptrace.h" #include "target.h" @@ -45,7 +48,7 @@ public: ptid_t wait (ptid_t, struct target_waitstatus *, int) override; - void pass_signals (int, unsigned char *) override; + void pass_signals (gdb::array_view) override; enum target_xfer_status xfer_partial (enum target_object object, const char *annex, @@ -61,7 +64,7 @@ public: void update_thread_list () override; - const char *pid_to_str (ptid_t) override; + std::string pid_to_str (ptid_t) override; const char *thread_name (struct thread_info *) override; @@ -85,6 +88,7 @@ public: bool supports_non_stop () override; bool always_non_stop_p () override; + int async_wait_fd () override; void async (int) override; void close () override; @@ -145,6 +149,42 @@ public: virtual bool low_stopped_data_address (CORE_ADDR *addr_p) { return false; } + + /* The method to call, if any, when a new thread is attached. */ + virtual void low_new_thread (struct lwp_info *) + {} + + /* The method to call, if any, when a thread is destroyed. */ + virtual void low_delete_thread (struct arch_lwp_info *lp) + { + gdb_assert (lp == NULL); + } + + /* The method to call, if any, when a new fork is attached. */ + virtual void low_new_fork (struct lwp_info *parent, pid_t child_pid) + {} + + /* The method to call, if any, when a process is no longer + attached. */ + virtual void low_forget_process (pid_t pid) + {} + + /* Hook to call prior to resuming a thread. */ + virtual void low_prepare_to_resume (struct lwp_info *) + {} + + /* Convert a ptrace/host siginfo object, into/from the siginfo in + the layout of the inferiors' architecture. Returns true if any + conversion was done; false otherwise, in which case the caller + does a straight memcpy. If DIRECTION is 1, then copy from INF to + PTRACE. If DIRECTION is 0, copy from PTRACE to INF. */ + virtual bool low_siginfo_fixup (siginfo_t *ptrace, gdb_byte *inf, + int direction) + { return false; } + + /* SIGTRAP-like breakpoint status events recognizer. The default + recognizes SIGTRAP only. */ + virtual bool low_status_is_event (int status); }; /* The final/concrete instance. */ @@ -278,42 +318,6 @@ extern void linux_stop_and_wait_all_lwps (void); left stopped.) */ extern void linux_unstop_all_lwps (void); -/* Register a method to call whenever a new thread is attached. */ -void linux_nat_set_new_thread (struct target_ops *, void (*) (struct lwp_info *)); - -/* Register a method to call whenever a new thread is deleted. */ -void linux_nat_set_delete_thread (struct target_ops *, - void (*) (struct arch_lwp_info *)); - -/* Register a method to call whenever a new fork is attached. */ -typedef void (linux_nat_new_fork_ftype) (struct lwp_info *parent, - pid_t child_pid); -void linux_nat_set_new_fork (struct target_ops *ops, - linux_nat_new_fork_ftype *fn); - -/* Register a method to call whenever a process is killed or - detached. */ -typedef void (linux_nat_forget_process_ftype) (pid_t pid); -void linux_nat_set_forget_process (struct target_ops *ops, - linux_nat_forget_process_ftype *fn); - -/* Call the method registered with the function above. PID is the - process to forget about. */ -void linux_nat_forget_process (pid_t pid); - -/* Register a method that converts a siginfo object between the layout - that ptrace returns, and the layout in the architecture of the - inferior. */ -void linux_nat_set_siginfo_fixup (struct target_ops *, - int (*) (siginfo_t *, - gdb_byte *, - int)); - -/* Register a method to call prior to resuming a thread. */ - -void linux_nat_set_prepare_to_resume (struct target_ops *, - void (*) (struct lwp_info *)); - /* Update linux-nat internal state when changing from one fork to another. */ void linux_nat_switch_fork (ptid_t new_ptid); @@ -323,6 +327,4 @@ void linux_nat_switch_fork (ptid_t new_ptid); uninitialized in such case). */ int linux_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo); -/* Set alternative SIGTRAP-like events recognizer. */ -void linux_nat_set_status_is_event (struct target_ops *t, - int (*status_is_event) (int status)); +#endif /* LINUX_NAT_H */