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7632c6ce2b
All major BSDs implement PT_GET_PROCESS_STATE, but they differ in details and want to implement follow-fork functionality differently. gdb/ChangeLog: * inf-ptrace.h (follow_fork, insert_fork_catchpoint) (remove_fork_catchpoint, post_startup_inferior) (post_attach): Move... * obsd-nat.h (follow_fork, insert_fork_catchpoint) (remove_fork_catchpoint, post_startup_inferior) (post_attach): ...here. * inf-ptrace.c (follow_fork, insert_fork_catchpoint) (remove_fork_catchpoint, post_startup_inferior) (post_attach): Move... * obsd-nat.c (follow_fork, insert_fork_catchpoint) (remove_fork_catchpoint, post_startup_inferior) (post_attach): ...here.
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
/* Low level child interface to ptrace.
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Copyright (C) 2004-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef INF_PTRACE_H
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#define INF_PTRACE_H
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#include "inf-child.h"
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/* An abstract prototype ptrace target. The client can override it
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with local methods. */
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struct inf_ptrace_target : public inf_child_target
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{
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~inf_ptrace_target () override = 0;
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void attach (const char *, int) override;
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void detach (inferior *inf, int) override;
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void resume (ptid_t, int, enum gdb_signal) override;
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ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
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void files_info () override;
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void kill () override;
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void create_inferior (const char *, const std::string &,
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char **, int) override;
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void mourn_inferior () override;
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bool thread_alive (ptid_t ptid) override;
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std::string pid_to_str (ptid_t) override;
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enum target_xfer_status xfer_partial (enum target_object object,
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const char *annex,
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gdb_byte *readbuf,
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const gdb_byte *writebuf,
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ULONGEST offset, ULONGEST len,
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ULONGEST *xfered_len) override;
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protected:
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/* Cleanup the inferior after a successful ptrace detach. */
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void detach_success (inferior *inf);
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};
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#ifndef __NetBSD__
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/* Return which PID to pass to ptrace in order to observe/control the
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tracee identified by PTID.
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Unlike most other Operating Systems, NetBSD tracks both pid and lwp
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and avoids this function. */
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extern pid_t get_ptrace_pid (ptid_t);
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#endif
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#endif
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