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Many changes to procfs.c, mostly to expand the "info proc" command and to
fix a couple of small bugs. Changes to other files mostly to fix minor things pointed out by the SGI compiler. See ChangeLog for complete details.
This commit is contained in:
Fred Fish
parent
6b80138803
commit
cc221e76d6
@ -1,3 +1,70 @@
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Wed Apr 1 11:39:52 1992 Fred Fish (fnf@cygnus.com)
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* breakpoint.h (bpdisp, bptype): Remove trailing comma.
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* symtab.h (current_source_symtab): Make extern
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* symtab.h (current_source_line): Make extern
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* inferior.h: Move all procfs.c prototypes to one place, add
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prototype for proc_signal_handling_change. Add prototypes for
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signal_stop_state, signal_print_state, and signal_pass_state.
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* inferior.h (stop_soon_quietly): Make extern
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* inferior.h (attach_flag): Make extern
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* infrun.c (NOTICE_SIGNAL_HANDLING_CHANGE): Default is null.
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* infrun.c (signal_stop_state, signal_print_state,
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signal_pass_state): New functions to query specific signal
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handling flags.
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* infrun.c (handle_command): Minor error message change, add
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NOTICE_SIGNAL_HANDLING_CHANGE.
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* procfs.c (open_proc_file): Remove iris specific reset of
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inherit-on-fork flag, moved to proc_set_exec_trap().
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* procfs.c (proc_set_exec_trap): Add SVR4 and iris code
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to reset inherit-on-fork flag, bash comment to GNU form.
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* procfs.c (proc_base_address, set_proc_siginfo,
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fetch_core_registers): Conform to code style.
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* procfs.c (signame.h): Include.
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* procfs.c (MAX_SYSCALLS, syscall_table[], init_syscalltable(),
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syscallname(), info_proc_syscalls()): New macros, tables, and
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functions to organize and report system call information.
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* procfs.c (saved_fltset, saved_trace, saved_sighold,
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saved_exitset, saved_entryset): Add to procinfo struct.
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* procfs.c (struct trans): Add.
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* procfs.c (pr_flag_table, pr_why_table, faults_table,
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siginfo_table, errno_table): Tables to translate numeric values
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to symbolic names and short descriptions.
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* procfs.c (signalname, info_proc_signals): Add function and
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prototype.
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* procfs.c (proc_info): Now info_proc.
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* procfs.c (proc_info_address_map): Now info_proc_mappings.
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* procfs.c (info_proc_flags, info_proc_stop, info_proc_siginfo,
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info_proc_faults, lookupname, lookupdesc, sigcodename,
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sigcodedesc): New functions.
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* procfs.c (proc_signal_handling_change): New function to set
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the trace flags based on the state of gdb's signal handling flags.
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* procfs.c (inferior_proc_init): Call proc_signal_handling_change
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and remove code to do PIOCSTRACE ioctl.
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* procfs.c (attach, detach): Preserve and restore process flags
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using saved_* fields in procinfo struct.
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* procfs.c (attach): Call proc_signal_handling_change.
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* procfs.c (info_proc): Major rework to expand "info proc" cmd.
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* procfs.c (proc_desc): Update for latest changes.
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* xm-irix4.h (CREATE_INFERIOR_HOOK): Protect by USE_PROC_FS.
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* xm-irix4.h (NOTICE_SIGNAL_HANDLING_CHANGE): Add definition.
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* xm-sysv4.h (NOTICE_SIGNAL_HANDLING_CHANGE): Add definition.
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Tue Mar 31 18:38:28 1992 Fred Fish (fnf@cygnus.com)
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* procfs.c (set_proc_siginfo): Add prototype and new function.
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* procfs.c (detach, child_resume): Call set_proc_siginfo to set
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up inferior siginfo struct.
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* elfread.c (elf_symfile_read): Compute the relocation amount
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by subtracting off the address of the ".text" section.
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* solib.c: Add pointer to ".text" section to so_list struct.
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* solib.c (solib_map_sections): Initialize pointer to ".text"
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section in so_list struct.
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* solib.c (symbol_add_stub): Pass base address of ".text"
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section to symbol_file_add, rather than the load address of
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the shared library. On SunOS they are the same. On SVR4 they
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are not.
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Tue Mar 31 17:48:15 1992 Stu Grossman (grossman at cygnus.com)
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* mipsread.c (parse_procedure): PDR.isym should get pointer to
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177
gdb/inferior.h
177
gdb/inferior.h
@ -1,6 +1,6 @@
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/* Variables that describe the inferior process running under GDB:
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Where it is, why it stopped, and how to step it.
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Copyright (C) 1986, 1989 Free Software Foundation, Inc.
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Copyright 1986, 1989, 1992 Free Software Foundation, Inc.
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This file is part of GDB.
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@ -18,6 +18,12 @@ You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#if !defined (INFERIOR_H)
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#define INFERIOR_H 1
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/* For symtab_and_line */
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#include "symtab.h"
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/* For bpstat. */
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#include "breakpoint.h"
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@ -57,7 +63,11 @@ struct inferior_status {
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int proceed_to_finish;
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};
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void save_inferior_status (), restore_inferior_status ();
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extern void
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save_inferior_status PARAMS ((struct inferior_status *, int));
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extern void
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restore_inferior_status PARAMS ((struct inferior_status *));
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/* File name for default use for standard in/out in the inferior. */
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@ -71,29 +81,142 @@ extern int inferior_pid;
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extern char registers[];
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extern void clear_proceed_status ();
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extern void start_inferior ();
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extern void proceed ();
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extern void kill_inferior ();
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extern void kill_inferior_fast ();
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extern void generic_mourn_inferior ();
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extern void terminal_ours ();
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extern void detach ();
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extern void run_stack_dummy ();
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extern CORE_ADDR read_pc ();
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extern void write_pc ();
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extern void wait_for_inferior ();
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extern void init_wait_for_inferior ();
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extern void close_exec_file ();
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extern void reopen_exec_file ();
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extern void
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clear_proceed_status PARAMS ((void));
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extern void
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proceed PARAMS ((CORE_ADDR, int, int));
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extern void
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kill_inferior PARAMS ((void));
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extern void
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kill_inferior_fast PARAMS ((void));
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extern void
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generic_mourn_inferior PARAMS ((void));
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extern void
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terminal_ours PARAMS ((void));
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extern void
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run_stack_dummy PARAMS ((CORE_ADDR, char [REGISTER_BYTES]));
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extern CORE_ADDR
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read_pc PARAMS ((void));
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extern void
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write_pc PARAMS ((CORE_ADDR));
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extern void
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wait_for_inferior PARAMS ((void));
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extern void
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init_wait_for_inferior PARAMS ((void));
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extern void
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close_exec_file PARAMS ((void));
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extern void
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reopen_exec_file PARAMS ((void));
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/* From misc files */
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extern void
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store_inferior_registers PARAMS ((int));
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extern void
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fetch_inferior_registers PARAMS ((int));
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extern void
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solib_create_inferior_hook PARAMS ((void));
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extern void
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child_mourn_inferior PARAMS ((void));
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extern void
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child_terminal_info PARAMS ((char *, int));
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extern void
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term_info PARAMS ((char *, int));
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extern void
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terminal_ours_for_output PARAMS ((void));
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extern void
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terminal_inferior PARAMS ((void));
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extern void
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terminal_init_inferior PARAMS ((void));
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/* From infptrace.c or procfs.c */
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extern int
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attach PARAMS ((int));
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void
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detach PARAMS ((int));
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extern void
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child_resume PARAMS ((int, int));
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/* From procfs.c */
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#ifdef USE_PROC_FS
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extern int
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proc_iterate_over_mappings PARAMS ((int (*) (int, CORE_ADDR)));
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extern int
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proc_wait PARAMS ((int *));
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extern void
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inferior_proc_init PARAMS ((int));
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extern void
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proc_signal_handling_change PARAMS ((void));
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extern void
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proc_set_exec_trap PARAMS ((void));
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#endif
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/* From inflow.c */
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extern void
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new_tty_prefork PARAMS ((char *));
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/* From infrun.c */
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extern void
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start_remote PARAMS ((void));
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extern void
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child_create_inferior PARAMS ((char *, char *, char **));
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extern void
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child_attach PARAMS ((char *, int));
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extern void
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normal_stop PARAMS ((void));
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extern int
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signal_stop_state PARAMS ((int));
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extern int
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signal_print_state PARAMS ((int));
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extern int
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signal_pass_state PARAMS ((int));
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/* From infcmd.c */
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void attach_command (
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#ifdef __STDC__
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char *arg, int from_tty
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#endif
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);
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extern void
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tty_command PARAMS ((char *, int));
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extern void
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attach_command PARAMS ((char *, int));
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/* Last signal that the inferior received (why it stopped). */
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extern int stop_signal;
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@ -157,7 +280,7 @@ extern int step_multi;
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when running in the shell before the child program has been exec'd;
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and when running some kinds of remote stuff (FIXME?). */
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int stop_soon_quietly;
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extern int stop_soon_quietly;
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/* Nonzero if proceed is being used for a "finish" command or a similar
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situation when stop_registers should be saved. */
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@ -179,7 +302,7 @@ extern int pc_changed;
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/* Nonzero if the child process in inferior_pid was attached rather
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than forked. */
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int attach_flag;
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extern int attach_flag;
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/* Possible values for CALL_DUMMY_LOCATION. */
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#define ON_STACK 1
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@ -195,11 +318,13 @@ int attach_flag;
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subtracted out. */
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#if !defined (PC_IN_CALL_DUMMY)
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#if CALL_DUMMY_LOCATION == BEFORE_TEXT_END
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extern CORE_ADDR text_end;
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#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
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((pc) >= text_end - CALL_DUMMY_LENGTH \
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&& (pc) < text_end + DECR_PC_AFTER_BREAK)
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#else /* Not before text_end. */
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#if CALL_DUMMY_LOCATION == AFTER_TEXT_END
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extern CORE_ADDR text_end;
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#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
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((pc) >= text_end \
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&& (pc) < text_end + CALL_DUMMY_LENGTH + DECR_PC_AFTER_BREAK)
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@ -209,3 +334,5 @@ int attach_flag;
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#endif /* On stack. */
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#endif /* Not before text_end. */
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#endif /* No PC_IN_CALL_DUMMY. */
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#endif /* !defined (INFERIOR_H) */
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35
gdb/infrun.c
35
gdb/infrun.c
@ -158,6 +158,9 @@ resume_cleanups PARAMS ((int));
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extern char **environ;
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extern int sys_nerr;
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extern char *sys_errlist[];
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extern struct target_ops child_ops; /* In inftarg.c */
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/* Sigtramp is a routine that the kernel calls (which then calls the
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@ -198,6 +201,12 @@ extern struct target_ops child_ops; /* In inftarg.c */
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#define IN_SOLIB_TRAMPOLINE(pc,name) 0
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#endif
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/* Notify other parts of gdb that might care that signal handling may
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have changed for one or more signals. */
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#ifndef NOTICE_SIGNAL_HANDLING_CHANGE
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#define NOTICE_SIGNAL_HANDLING_CHANGE /* No actions */
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#endif
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#ifdef TDESC
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#include "tdesc.h"
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int safe_to_init_tdesc_context = 0;
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@ -466,8 +475,6 @@ child_create_inferior (exec_file, allargs, env)
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{
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int pid;
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char *shell_command;
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extern int sys_nerr;
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extern char *sys_errlist[];
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char *shell_file;
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static char default_shell_file[] = SHELL_FILE;
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int len;
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@ -1128,7 +1135,7 @@ wait_for_inferior ()
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#if 0
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if (* step_frame_address == 0
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|| (step_frame_address == stop_frame_address))
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#endif 0
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#endif
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{
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remove_step_breakpoint ();
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step_resume_break_address = 0;
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@ -1579,6 +1586,24 @@ remove_step_breakpoint ()
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step_resume_break_shadow);
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}
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int signal_stop_state (signo)
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int signo;
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{
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return ((signo >= 0 && signo < NSIG) ? signal_stop[signo] : 0);
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}
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int signal_print_state (signo)
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int signo;
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{
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return ((signo >= 0 && signo < NSIG) ? signal_print[signo] : 0);
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}
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int signal_pass_state (signo)
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int signo;
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{
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return ((signo >= 0 && signo < NSIG) ? signal_program[signo] : 0);
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}
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static void
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sig_print_header ()
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{
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@ -1688,7 +1713,7 @@ handle_command (args, from_tty)
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/* Not a number and not a recognized flag word => complain. */
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else
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{
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error ("Unrecognized flag word: \"%s\".", p);
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error ("Unrecognized or ambiguous flag word: \"%s\".", p);
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}
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/* Find start of next word. */
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@ -1696,6 +1721,8 @@ handle_command (args, from_tty)
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while (*p == ' ' || *p == '\t') p++;
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}
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NOTICE_SIGNAL_HANDLING_CHANGE;
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if (from_tty)
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{
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/* Show the results. */
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1956
gdb/procfs.c
1956
gdb/procfs.c
File diff suppressed because it is too large
Load Diff
@ -42,9 +42,27 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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*/
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#define USE_PROC_FS
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#define PROC_NAME_FMT "/debug/%d"
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/* If we are using SVR4 /proc instead of ptrace, use CREATE_INFERIOR_HOOK
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to do internal /proc initialization. */
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#ifdef USE_PROC_FS
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#define CREATE_INFERIOR_HOOK(pid) inferior_proc_init(pid)
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#endif
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/* Irix defines psignal() in signal.h, which gets gcc rather angry at us
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* because their definition is markedly different.
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*/
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#define PSIGNAL_IN_SIGNAL_H
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/* If gdb's signal handling changes (due to a "handle" command), then
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this macro expands to an action to perform to notify other parts of
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gdb that might care, that signal handling has changed. For hosts using
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the /proc interface, gdb has more control over which signals cause the
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inferior to stop and which do not. In some cases, it is desirable to
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have signals delivered directly to the inferior without involving the
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debugger at all. */
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#ifdef USE_PROC_FS
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#define NOTICE_SIGNAL_HANDLING_CHANGE proc_signal_handling_change()
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#endif
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#define BROKEN_SIGINFO_H /* <sys/siginfo.h> si_pid & si_uid are bogus */
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@ -65,3 +65,15 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Use setpgid(0,0) to run inferior in a separate process group */
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#define NEED_POSIX_SETPGID
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/* If gdb's signal handling changes (due to a "handle" command), then
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this macro expands to an action to perform to notify other parts of
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gdb that might care, that signal handling has changed. For hosts using
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the /proc interface, gdb has more control over which signals cause the
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inferior to stop and which do not. In some cases, it is desirable to
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have signals delivered directly to the inferior without involving the
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debugger at all. */
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#ifdef USE_PROC_FS
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#define NOTICE_SIGNAL_HANDLING_CHANGE proc_signal_handling_change()
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#endif
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