X-Git-Url: http://drtracing.org/?a=blobdiff_plain;ds=sidebyside;f=gdb%2Fdarwin-nat.h;h=a288ed47458bbf445179cb677164a360d3ff0006;hb=e2ea3a381a4a7c739419a8b76a2fd132f7c1f9b1;hp=cd656b1e487758c4205f9f1f59d32e7216b08a99;hpb=d55e5aa6b29906346c51ad00e6a9b112590aa294;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/darwin-nat.h b/gdb/darwin-nat.h index cd656b1e48..a288ed4745 100644 --- a/gdb/darwin-nat.h +++ b/gdb/darwin-nat.h @@ -1,5 +1,5 @@ /* Common things used by the various darwin files - Copyright (C) 1995-2019 Free Software Foundation, Inc. + Copyright (C) 1995-2021 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,11 +17,62 @@ #ifndef DARWIN_NAT_H #define DARWIN_NAT_H +#include "inf-child.h" #include - -/* Local non-gdb includes. */ #include "gdbthread.h" -#include "inf-child.h" + +struct darwin_exception_msg +{ + mach_msg_header_t header; + + /* Thread and task taking the exception. */ + mach_port_t thread_port; + mach_port_t task_port; + + /* Type of the exception. */ + exception_type_t ex_type; + + /* Machine dependent details. */ + mach_msg_type_number_t data_count; + integer_t ex_data[2]; +}; + +enum darwin_msg_state +{ + /* The thread is running. */ + DARWIN_RUNNING, + + /* The thread is stopped. */ + DARWIN_STOPPED, + + /* The thread has sent a message and waits for a reply. */ + DARWIN_MESSAGE +}; + +struct darwin_thread_info : public private_thread_info +{ + /* The thread port from a GDB point of view. */ + thread_t gdb_port = 0; + + /* The thread port from the inferior point of view. Not to be used inside + gdb except for get_ada_task_ptid. */ + thread_t inf_port = 0; + + /* Current message state. + If the kernel has sent a message it expects a reply and the inferior + can't be killed before. */ + enum darwin_msg_state msg_state = DARWIN_RUNNING; + + /* True if this thread is single-stepped. */ + bool single_step = false; + + /* True if a signal was manually sent to the thread. */ + bool signaled = false; + + /* The last exception received. */ + struct darwin_exception_msg event {}; +}; +typedef struct darwin_thread_info darwin_thread_t; /* This needs to be overridden by the platform specific nat code. */ @@ -35,7 +86,7 @@ class darwin_nat_target : public inf_child_target void detach (inferior *, int) override; - ptid_t wait (ptid_t, struct target_waitstatus *, int) override; + ptid_t wait (ptid_t, struct target_waitstatus *, target_wait_flags) override; void mourn_inferior () override; @@ -61,6 +112,21 @@ class darwin_nat_target : public inf_child_target bool supports_multi_process () override; ptid_t get_ada_task_ptid (long lwp, long thread) override; + +private: + ptid_t wait_1 (ptid_t, struct target_waitstatus *); + void check_new_threads (inferior *inf); + int decode_exception_message (mach_msg_header_t *hdr, + inferior **pinf, + darwin_thread_t **pthread); + ptid_t decode_message (mach_msg_header_t *hdr, + darwin_thread_t **pthread, + inferior **pinf, + target_waitstatus *status); + void stop_inferior (inferior *inf); + void init_thread_list (inferior *inf); + void ptrace_him (int pid); + int cancel_breakpoint (ptid_t ptid); }; /* Describe the mach exception handling state for a task. This state is saved @@ -85,59 +151,6 @@ struct darwin_exception_info mach_msg_type_number_t count = 0; }; -struct darwin_exception_msg -{ - mach_msg_header_t header; - - /* Thread and task taking the exception. */ - mach_port_t thread_port; - mach_port_t task_port; - - /* Type of the exception. */ - exception_type_t ex_type; - - /* Machine dependent details. */ - mach_msg_type_number_t data_count; - integer_t ex_data[2]; -}; - -enum darwin_msg_state -{ - /* The thread is running. */ - DARWIN_RUNNING, - - /* The thread is stopped. */ - DARWIN_STOPPED, - - /* The thread has sent a message and waits for a reply. */ - DARWIN_MESSAGE -}; - -struct darwin_thread_info : public private_thread_info -{ - /* The thread port from a GDB point of view. */ - thread_t gdb_port = 0; - - /* The thread port from the inferior point of view. Not to be used inside - gdb except for get_ada_task_ptid. */ - thread_t inf_port = 0; - - /* Current message state. - If the kernel has sent a message it expects a reply and the inferior - can't be killed before. */ - enum darwin_msg_state msg_state = DARWIN_RUNNING; - - /* True if this thread is single-stepped. */ - bool single_step = false; - - /* True if a signal was manually sent to the thread. */ - bool signaled = false; - - /* The last exception received. */ - struct darwin_exception_msg event {}; -}; -typedef struct darwin_thread_info darwin_thread_t; - static inline darwin_thread_info * get_darwin_thread_info (class thread_info *thread) {