From 0d62e5e8077eecf77e9b7b5dc0d2689d051a3ab3 Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Tue, 11 Jun 2002 17:32:40 +0000 Subject: 2002-06-11 Daniel Jacobowitz * gdbserver/thread-db.c: New file. * gdbserver/proc-service.c: New file. * gdbserver/acinclude.m4: New file. * gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h, proc-service.o, and thread-db.o. (linux-low.o): Add USE_THREAD_DB. * gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T, HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN. * gdbserver/aclocal.m4: Regenerated. * gdbserver/config.in: Regenerated. * gdbserver/configure: Regenerated. * gdbserver/configure.in: Check for proc_service.h, sys/procfs.h, thread_db.h, and linux/elf.h headrs. Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and PRFPREGSET_T_BROKEN. Introduce srv_thread_depfiles and USE_THREAD_DB. Check for -lthread_db and thread support. * gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS, PowerPC, and SuperH. * gdbserver/i387-fp.c: Constify arguments. * gdbserver/i387-fp.h: Likewise. * gdbserver/inferiors.c: (struct thread_info): Renamed from `struct inferior_info'. Remove PID member. Use generic inferior list header. All uses updated. (inferiors, signal_pid): Removed. (all_threads): New variable. (get_thread): Define. (add_inferior_to_list): New function. (for_each_inferior): New function. (change_inferior_id): New function. (add_inferior): Removed. (remove_inferior): New function. (add_thread): New function. (free_one_thread): New function. (remove_thread): New function. (clear_inferiors): Use for_each_inferior and free_one_thread. (find_inferior): New function. (find_inferior_id): New function. (inferior_target_data): Update argument type. (set_inferior_target_data): Likewise. (inferior_regcache_data): Likewise. (set_inferior_regcache_data): Likewise. * gdbserver/linux-low.c (linux_bp_reinsert): Remove. (all_processes, stopping_threads, using_thrads) (struct pending_signals, debug_threads, pid_of): New. (inferior_pid): Replace with macro. (struct inferior_linux_data): Remove. (get_stop_pc, add_process): New functions. (linux_create_inferior): Restore SIGRTMIN+1 before calling exec. Use add_process and add_thread. (linux_attach_lwp): New function, based on old linux_attach. Use add_process and add_thread. Set stop_expected for new threads. (linux_attach): New function. (linux_kill_one_process): New function. (linux_kill): Kill all LWPs. (linux_thread_alive): Use find_inferior_id. (check_removed_breakpoints, status_pending_p): New functions. (linux_wait_for_process): Renamed from linux_wait_for_one_inferior. Update. Use WNOHANG. Wait for cloned processes also. Update process struct for the found process. (linux_wait_for_event): New function. (linux_wait): Use it. Support LWPs. (send_sigstop, wait_for_sigstop, stop_all_processes) (linux_resume_one_process, linux_continue_one_process): New functions. (linux_resume): Support LWPs. (REGISTER_RAW_SIZE): Remove. (fetch_register): Use register_size instead. Call supply_register. (usr_store_inferior_registers): Likewise. Call collect_register. Fix recursive case. (regsets_fetch_inferior_registers): Improve error message. (regsets_store_inferior_registers): Add debugging. (linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB. (unstopped_p, linux_signal_pid): New functions. (linux_target_ops): Add linux_signal_pid. (linux_init_signals): New function. (initialize_low): Call it. Initialize using_threads. * gdbserver/regcache.c (inferior_regcache_data): Add valid flag. (get_regcache): Fetch registers lazily. Add fetch argument and update all callers. (regcache_invalidate_one, regcache_invalidate): New functions. (new_register_cache): Renamed from create_register_cache. Return the new regcache. (free_register_cache): Change argument to a void *. (registers_to_string, registers_from_string): Call get_regcache with fetch flag set. (register_data): Make static. Pass fetch flag to get_regcache. (supply_register): Call get_regcache with fetch flag clear. (collect_register): Call get_regcache with fetch flag set. (collect_register_as_string): New function. * gdbserver/regcache.h: Update. * gdbserver/remote-utils.c (putpkt): Flush after debug output and use stderr. Handle input interrupts while waiting for an ACK. (input_interrupt): Use signal_pid method. (getpkt): Flush after debug output and use stderr. (outreg): Use collect_register_as_string. (new_thread_notify, dead_thread_notify): New functions. (prepare_resume_reply): Check using_threads. Set thread_from_wait and general_thread. (look_up_one_symbol): Flush after debug output. * gdbserver/server.c (step_thread, server_waiting): New variables. (start_inferior): Don't use signal_pid. Update call to mywait. (attach_inferior): Update call to mywait. (handle_query): Handle qfThreadInfo and qsThreadInfo. (main): Don't fetch/store registers explicitly. Use set_desired_inferior. Support proposed ``Hs'' packet. Update calls to mywait. * gdbserver/server.h: Update. (struct inferior_list, struct_inferior_list_entry): New. * gdbserver/target.c (set_desired_inferior): New. (write_inferior_memory): Constify. (mywait): New function. * gdbserver/target.h: Update. (struct target_ops): New signal_pid method. (mywait): Removed macro, added prototype. * gdbserver/linux-low.h (regset_func): Removed. (regset_fill_func, regset_store_func): New. (enum regset_type): New. (struct regset_info): Add type field. Use new operation types. (struct linux_target_ops): stop_pc renamed to get_pc. Add decr_pc_after_break and breakpoint_at. (get_process, get_thread_proess, get_process_thread) (strut process_info, all_processes, linux_attach_lwp) (thread_db_init): New. * gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc, arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset) (i386_store_fpxregset): Constify. (target_regsets): Add new kind identifier. (i386_get_pc): Renamed from i386_stop_pc. Simplify. (i386_set_pc): Add debugging. (i386_breakpoint_at): New function. (the_low_target): Add new members. * gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc) (mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr) (mips_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc) (ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc) (sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New. (the_low_target): Add new members. * gdbserver/linux-x86-64-low.c (target_regsets): Add new kind identifier. --- gdb/gdbserver/acinclude.m4 | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 gdb/gdbserver/acinclude.m4 (limited to 'gdb/gdbserver/acinclude.m4') diff --git a/gdb/gdbserver/acinclude.m4 b/gdb/gdbserver/acinclude.m4 new file mode 100644 index 0000000..bbfa86f --- /dev/null +++ b/gdb/gdbserver/acinclude.m4 @@ -0,0 +1,41 @@ +dnl gdb/gdbserver/configure.in uses BFD_HAVE_SYS_PROCFS_TYPE. +sinclude(../../bfd/acinclude.m4) + +AC_DEFUN([SRV_CHECK_THREAD_DB], +[AC_CACHE_CHECK([for libthread_db],[srv_cv_thread_db], + [old_LIBS="$LIBS" + LIBS="$LIBS -lthread_db" + AC_TRY_LINK( + [void ps_pglobal_lookup() {} + void ps_pdread() {} + void ps_pdwrite() {} + void ps_lgetregs() {} + void ps_lsetregs() {} + void ps_lgetfpregs() {} + void ps_lsetfpregs() {} + void ps_getpid() {}], + [td_ta_new();], + [srv_cv_thread_db="-lthread_db"], + [srv_cv_thread_db=no + + if test "$prefix" = "/usr" || test "$prefix" = "NONE"; then + thread_db="/lib/libthread_db.so.1" + else + thread_db='$prefix/lib/libthread_db.so.1' + fi + LIBS="$old_LIBS `eval echo "$thread_db"`" + AC_TRY_LINK( + [void ps_pglobal_lookup() {} + void ps_pdread() {} + void ps_pdwrite() {} + void ps_lgetregs() {} + void ps_lsetregs() {} + void ps_lgetfpregs() {} + void ps_lsetfpregs() {} + void ps_getpid() {}], + [td_ta_new();], + [srv_cv_thread_db="$thread_db"], + [srv_cv_thread_db=no]) + LIBS="$old_LIBS" + ]]) +)]) -- cgit v1.1