X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Ffbsd-nat.h;h=1b1e043dae72abb80563098ab1695f5a59d1e5cd;hb=85967615df75e299b375223cc5d211ef78fcf3e8;hp=b59cf666c367a9ed114f5d6c22c7ee61d0a91efd;hpb=578c1c03b68ec45894ae77dc23d4d55237ba8e2a;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/fbsd-nat.h b/gdb/fbsd-nat.h index b59cf666c3..1b1e043dae 100644 --- a/gdb/fbsd-nat.h +++ b/gdb/fbsd-nat.h @@ -1,12 +1,12 @@ /* Native-dependent code for FreeBSD. - Copyright 2004 Free Software Foundation, Inc. + Copyright (C) 2004-2020 Free Software Foundation, Inc. This file is part of GDB. 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 - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,29 +15,93 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef FBSD_NAT_H #define FBSD_NAT_H -/* Return a the name of file that can be opened to get the symbols for - the child process identified by PID. */ +#include "inf-ptrace.h" +#include +#include -extern char *fbsd_pid_to_exec_file (int pid); +/* FreeBSD kernels 11.3 and later report valid si_code values for + SIGTRAP on all architectures. Older FreeBSD kernels that supported + TRAP_BRKPT did not report valid values for MIPS and sparc64. Even + older kernels without TRAP_BRKPT support did not report valid + values on any architecture. */ +#if (__FreeBSD_kernel_version >= 1102502) || (__FreeBSD_version >= 1102502) +# define USE_SIGTRAP_SIGINFO +#elif defined(TRAP_BRKPT) +# if !defined(__mips__) && !defined(__sparc64__) +# define USE_SIGTRAP_SIGINFO +# endif +#endif -/* Iterate over all the memory regions in the current inferior, - calling FUNC for each memory region. OBFD is passed as the last - argument to FUNC. */ +/* A prototype FreeBSD target. */ -extern int fbsd_find_memory_regions (int (*func) (CORE_ADDR, unsigned long, - int, int, int, void *), - void *obfd); +class fbsd_nat_target : public inf_ptrace_target +{ +public: + char *pid_to_exec_file (int pid) override; -/* Create appropriate note sections for a corefile, returning them in - allocated memory. */ + int find_memory_regions (find_memory_region_ftype func, void *data) override; -extern char *fbsd_make_corefile_notes (bfd *obfd, int *note_size); + bool info_proc (const char *, enum info_proc_what) override; + + enum target_xfer_status xfer_partial (enum target_object object, + const char *annex, + gdb_byte *readbuf, + const gdb_byte *writebuf, + ULONGEST offset, ULONGEST len, + ULONGEST *xfered_len) override; + +#ifdef PT_LWPINFO + bool thread_alive (ptid_t ptid) override; + std::string pid_to_str (ptid_t) override; + +#ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_TDNAME + const char *thread_name (struct thread_info *) override; +#endif + + void update_thread_list () override; + + thread_control_capabilities get_thread_control_capabilities () override + { return tc_schedlock; } + + void resume (ptid_t, int, enum gdb_signal) override; + + ptid_t wait (ptid_t, struct target_waitstatus *, int) override; + + void post_startup_inferior (ptid_t) override; + void post_attach (int) override; + +#ifdef USE_SIGTRAP_SIGINFO + bool supports_stopped_by_sw_breakpoint () override; + bool stopped_by_sw_breakpoint () override; +#endif + +#ifdef TDP_RFPPWAIT + bool follow_fork (bool, bool) override; + + int insert_fork_catchpoint (int) override; + int remove_fork_catchpoint (int) override; + + int insert_vfork_catchpoint (int) override; + int remove_vfork_catchpoint (int) override; +#endif + +#ifdef PL_FLAG_EXEC + int insert_exec_catchpoint (int) override; + int remove_exec_catchpoint (int) override; +#endif + +#ifdef HAVE_STRUCT_PTRACE_LWPINFO_PL_SYSCALL_CODE + int set_syscall_catchpoint (int, bool, int, gdb::array_view) + override; +#endif +#endif /* PT_LWPINFO */ + + bool supports_multi_process () override; +}; #endif /* fbsd-nat.h */