1991-03-28 16:26:26 +00:00
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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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1992-04-01 19:46:14 +00:00
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Copyright 1986, 1989, 1992 Free Software Foundation, Inc.
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1991-03-28 16:26:26 +00:00
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This file is part of GDB.
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Make writing to files work properly. (Fixes to BFD are also needed.)
* core.c (core_open): Open file ourselves, read or r/w, depending on
write_files. Use bfd_fdopenr.
* gdbcore.h (write_files): New variable.
* exec.c (write_files): Define variable, add set&show for it.
(exec_file_command): Use write_files to open for read or r/write.
Make shared library reading happen automatically. These changes
are mostly from Peter Schauer <pes@regent.e-technik.tu-muenchen.de>.
* inferior.h (stop_soon_quietly): Add to exported variables.
* infrun.c (child_create_inferior): call solib hook, if defined.
(child_attach): call solib hook, if defined.
* solib.c: Include inferior.h. Add from_tty to so_list as kludge.
(find_solib): Use lookup_misc_func rather than hand-rolled.
(symbol_add_stub): New stub for catch_errors.
(solib_add): Avoid output if !from_tty. Catch errors rather
than just calling symbol_file_add and bombing.
(solib_create_inferior_hook): Interface with the target process
to let it read and alloc shared libs, then figure out what it did.
* core.c (validate_files): Fix typo, soften warning.
(Fix from Hiroto Kagotani <kagotani@cs.titech.ac.jp>.)
* utils.c (fputs_demangled): Avoid duplicate printing if
demangling is off. (Fix from J.T. Conklin <jtc@cayenne.com>.)
* infrun.c (proceed): Cast -1 to (CORE_ADDR) before comparing.
(Fix from pierre@la.tce.com (Pierre Willard).)
* main.c (catch_errors): Change argument to a char * from an int,
since a char * can point to a struct full of glop, but an int
is not guaranteed to be able to hold a pointer.
* breakpoint.c (breakpoint_cond_eval, bpstat_stop_status,
breakpoint_re_set_one, breakpoint_re_set): Adapt.
* core.c (core_open, solib_add_stub): Adapt.
* remote-vx.c (symbol_stub, add_symbol_stub, callers): Adapt.
1991-09-04 07:43:50 +00:00
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This program is free software; you can redistribute it and/or modify
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1991-03-28 16:26:26 +00:00
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it under the terms of the GNU General Public License as published by
|
Make writing to files work properly. (Fixes to BFD are also needed.)
* core.c (core_open): Open file ourselves, read or r/w, depending on
write_files. Use bfd_fdopenr.
* gdbcore.h (write_files): New variable.
* exec.c (write_files): Define variable, add set&show for it.
(exec_file_command): Use write_files to open for read or r/write.
Make shared library reading happen automatically. These changes
are mostly from Peter Schauer <pes@regent.e-technik.tu-muenchen.de>.
* inferior.h (stop_soon_quietly): Add to exported variables.
* infrun.c (child_create_inferior): call solib hook, if defined.
(child_attach): call solib hook, if defined.
* solib.c: Include inferior.h. Add from_tty to so_list as kludge.
(find_solib): Use lookup_misc_func rather than hand-rolled.
(symbol_add_stub): New stub for catch_errors.
(solib_add): Avoid output if !from_tty. Catch errors rather
than just calling symbol_file_add and bombing.
(solib_create_inferior_hook): Interface with the target process
to let it read and alloc shared libs, then figure out what it did.
* core.c (validate_files): Fix typo, soften warning.
(Fix from Hiroto Kagotani <kagotani@cs.titech.ac.jp>.)
* utils.c (fputs_demangled): Avoid duplicate printing if
demangling is off. (Fix from J.T. Conklin <jtc@cayenne.com>.)
* infrun.c (proceed): Cast -1 to (CORE_ADDR) before comparing.
(Fix from pierre@la.tce.com (Pierre Willard).)
* main.c (catch_errors): Change argument to a char * from an int,
since a char * can point to a struct full of glop, but an int
is not guaranteed to be able to hold a pointer.
* breakpoint.c (breakpoint_cond_eval, bpstat_stop_status,
breakpoint_re_set_one, breakpoint_re_set): Adapt.
* core.c (core_open, solib_add_stub): Adapt.
* remote-vx.c (symbol_stub, add_symbol_stub, callers): Adapt.
1991-09-04 07:43:50 +00:00
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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1991-03-28 16:26:26 +00:00
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Make writing to files work properly. (Fixes to BFD are also needed.)
* core.c (core_open): Open file ourselves, read or r/w, depending on
write_files. Use bfd_fdopenr.
* gdbcore.h (write_files): New variable.
* exec.c (write_files): Define variable, add set&show for it.
(exec_file_command): Use write_files to open for read or r/write.
Make shared library reading happen automatically. These changes
are mostly from Peter Schauer <pes@regent.e-technik.tu-muenchen.de>.
* inferior.h (stop_soon_quietly): Add to exported variables.
* infrun.c (child_create_inferior): call solib hook, if defined.
(child_attach): call solib hook, if defined.
* solib.c: Include inferior.h. Add from_tty to so_list as kludge.
(find_solib): Use lookup_misc_func rather than hand-rolled.
(symbol_add_stub): New stub for catch_errors.
(solib_add): Avoid output if !from_tty. Catch errors rather
than just calling symbol_file_add and bombing.
(solib_create_inferior_hook): Interface with the target process
to let it read and alloc shared libs, then figure out what it did.
* core.c (validate_files): Fix typo, soften warning.
(Fix from Hiroto Kagotani <kagotani@cs.titech.ac.jp>.)
* utils.c (fputs_demangled): Avoid duplicate printing if
demangling is off. (Fix from J.T. Conklin <jtc@cayenne.com>.)
* infrun.c (proceed): Cast -1 to (CORE_ADDR) before comparing.
(Fix from pierre@la.tce.com (Pierre Willard).)
* main.c (catch_errors): Change argument to a char * from an int,
since a char * can point to a struct full of glop, but an int
is not guaranteed to be able to hold a pointer.
* breakpoint.c (breakpoint_cond_eval, bpstat_stop_status,
breakpoint_re_set_one, breakpoint_re_set): Adapt.
* core.c (core_open, solib_add_stub): Adapt.
* remote-vx.c (symbol_stub, add_symbol_stub, callers): Adapt.
1991-09-04 07:43:50 +00:00
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This program is distributed in the hope that it will be useful,
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1991-03-28 16:26:26 +00:00
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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
|
Make writing to files work properly. (Fixes to BFD are also needed.)
* core.c (core_open): Open file ourselves, read or r/w, depending on
write_files. Use bfd_fdopenr.
* gdbcore.h (write_files): New variable.
* exec.c (write_files): Define variable, add set&show for it.
(exec_file_command): Use write_files to open for read or r/write.
Make shared library reading happen automatically. These changes
are mostly from Peter Schauer <pes@regent.e-technik.tu-muenchen.de>.
* inferior.h (stop_soon_quietly): Add to exported variables.
* infrun.c (child_create_inferior): call solib hook, if defined.
(child_attach): call solib hook, if defined.
* solib.c: Include inferior.h. Add from_tty to so_list as kludge.
(find_solib): Use lookup_misc_func rather than hand-rolled.
(symbol_add_stub): New stub for catch_errors.
(solib_add): Avoid output if !from_tty. Catch errors rather
than just calling symbol_file_add and bombing.
(solib_create_inferior_hook): Interface with the target process
to let it read and alloc shared libs, then figure out what it did.
* core.c (validate_files): Fix typo, soften warning.
(Fix from Hiroto Kagotani <kagotani@cs.titech.ac.jp>.)
* utils.c (fputs_demangled): Avoid duplicate printing if
demangling is off. (Fix from J.T. Conklin <jtc@cayenne.com>.)
* infrun.c (proceed): Cast -1 to (CORE_ADDR) before comparing.
(Fix from pierre@la.tce.com (Pierre Willard).)
* main.c (catch_errors): Change argument to a char * from an int,
since a char * can point to a struct full of glop, but an int
is not guaranteed to be able to hold a pointer.
* breakpoint.c (breakpoint_cond_eval, bpstat_stop_status,
breakpoint_re_set_one, breakpoint_re_set): Adapt.
* core.c (core_open, solib_add_stub): Adapt.
* remote-vx.c (symbol_stub, add_symbol_stub, callers): Adapt.
1991-09-04 07:43:50 +00:00
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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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1991-03-28 16:26:26 +00:00
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1992-04-01 19:46:14 +00:00
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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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1991-03-28 16:26:26 +00:00
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/* For bpstat. */
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#include "breakpoint.h"
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/* For FRAME_ADDR. */
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#include "frame.h"
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/*
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* Structure in which to save the status of the inferior. Save
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* through "save_inferior_status", restore through
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* "restore_inferior_status".
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* This pair of routines should be called around any transfer of
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* control to the inferior which you don't want showing up in your
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* control variables.
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*/
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struct inferior_status {
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int pc_changed;
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int stop_signal;
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int stop_pc;
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FRAME_ADDR stop_frame_address;
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bpstat stop_bpstat;
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int stop_step;
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int stop_stack_dummy;
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int stopped_by_random_signal;
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int trap_expected;
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CORE_ADDR step_range_start;
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CORE_ADDR step_range_end;
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FRAME_ADDR step_frame_address;
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int step_over_calls;
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CORE_ADDR step_resume_break_address;
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int stop_after_trap;
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int stop_soon_quietly;
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FRAME_ADDR selected_frame_address;
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int selected_level;
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char stop_registers[REGISTER_BYTES];
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int breakpoint_proceeded;
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int restore_stack_info;
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int proceed_to_finish;
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};
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1992-04-01 19:46:14 +00:00
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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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1991-03-28 16:26:26 +00:00
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/* File name for default use for standard in/out in the inferior. */
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extern char *inferior_io_terminal;
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/* Pid of our debugged inferior, or 0 if no inferior now. */
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extern int inferior_pid;
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/* Character array containing an image of the inferior programs' registers. */
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extern char registers[];
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1992-09-25 19:19:08 +00:00
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/* Array of validity bits (one per register). Nonzero at position XXX_REGNUM
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means that `registers' contains a valid copy of inferior register XXX. */
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extern char register_valid[NUM_REGS];
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1992-04-01 19:46:14 +00:00
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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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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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1992-09-26 01:49:18 +00:00
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/* The `resume' routine should only be called in special circumstances.
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Normally, use `proceed', which handles a lot of bookkeeping. */
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1992-09-25 19:19:08 +00:00
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extern void
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resume PARAMS ((int, int));
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1992-04-01 19:46:14 +00:00
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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_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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1992-10-03 05:28:42 +00:00
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/* From infptrace.c */
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1992-04-01 19:46:14 +00:00
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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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1992-09-25 19:19:08 +00:00
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#ifndef PTRACE_ARG3_TYPE
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#define PTRACE_ARG3_TYPE int /* Correct definition for most systems. */
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#endif
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extern int
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call_ptrace PARAMS ((int, int, PTRACE_ARG3_TYPE, int));
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1992-04-01 19:46:14 +00:00
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/* From procfs.c */
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extern int
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proc_iterate_over_mappings PARAMS ((int (*) (int, CORE_ADDR)));
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extern void
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proc_signal_handling_change PARAMS ((void));
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1992-10-03 05:28:42 +00:00
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/* From fork-child.c */
|
1991-03-28 16:26:26 +00:00
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1992-10-03 05:28:42 +00:00
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extern void
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fork_inferior PARAMS ((char *, char *, char **,
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void (*) (void),
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void (*) (int)));
|
1992-04-01 19:46:14 +00:00
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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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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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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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|
1991-03-28 16:26:26 +00:00
|
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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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/* Address at which inferior stopped. */
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extern CORE_ADDR stop_pc;
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/* Stack frame when program stopped. */
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extern FRAME_ADDR stop_frame_address;
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/* Chain containing status of breakpoint(s) that we have stopped at. */
|
|
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extern bpstat stop_bpstat;
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|
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/* Flag indicating that a command has proceeded the inferior past the
|
|
|
|
|
current breakpoint. */
|
|
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|
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extern int breakpoint_proceeded;
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/* Nonzero if stopped due to a step command. */
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extern int stop_step;
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/* Nonzero if stopped due to completion of a stack dummy routine. */
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extern int stop_stack_dummy;
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/* Nonzero if program stopped due to a random (unexpected) signal in
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inferior process. */
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extern int stopped_by_random_signal;
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/* Range to single step within.
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If this is nonzero, respond to a single-step signal
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by continuing to step if the pc is in this range. */
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extern CORE_ADDR step_range_start; /* Inclusive */
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extern CORE_ADDR step_range_end; /* Exclusive */
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/* Stack frame address as of when stepping command was issued.
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This is how we know when we step into a subroutine call,
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and how to set the frame for the breakpoint used to step out. */
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extern FRAME_ADDR step_frame_address;
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/* 1 means step over all subroutine calls.
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-1 means step over calls to undebuggable functions. */
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extern int step_over_calls;
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/* If stepping, nonzero means step count is > 1
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so don't print frame next time inferior stops
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if it stops due to stepping. */
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extern int step_multi;
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Make writing to files work properly. (Fixes to BFD are also needed.)
* core.c (core_open): Open file ourselves, read or r/w, depending on
write_files. Use bfd_fdopenr.
* gdbcore.h (write_files): New variable.
* exec.c (write_files): Define variable, add set&show for it.
(exec_file_command): Use write_files to open for read or r/write.
Make shared library reading happen automatically. These changes
are mostly from Peter Schauer <pes@regent.e-technik.tu-muenchen.de>.
* inferior.h (stop_soon_quietly): Add to exported variables.
* infrun.c (child_create_inferior): call solib hook, if defined.
(child_attach): call solib hook, if defined.
* solib.c: Include inferior.h. Add from_tty to so_list as kludge.
(find_solib): Use lookup_misc_func rather than hand-rolled.
(symbol_add_stub): New stub for catch_errors.
(solib_add): Avoid output if !from_tty. Catch errors rather
than just calling symbol_file_add and bombing.
(solib_create_inferior_hook): Interface with the target process
to let it read and alloc shared libs, then figure out what it did.
* core.c (validate_files): Fix typo, soften warning.
(Fix from Hiroto Kagotani <kagotani@cs.titech.ac.jp>.)
* utils.c (fputs_demangled): Avoid duplicate printing if
demangling is off. (Fix from J.T. Conklin <jtc@cayenne.com>.)
* infrun.c (proceed): Cast -1 to (CORE_ADDR) before comparing.
(Fix from pierre@la.tce.com (Pierre Willard).)
* main.c (catch_errors): Change argument to a char * from an int,
since a char * can point to a struct full of glop, but an int
is not guaranteed to be able to hold a pointer.
* breakpoint.c (breakpoint_cond_eval, bpstat_stop_status,
breakpoint_re_set_one, breakpoint_re_set): Adapt.
* core.c (core_open, solib_add_stub): Adapt.
* remote-vx.c (symbol_stub, add_symbol_stub, callers): Adapt.
1991-09-04 07:43:50 +00:00
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/* Nonzero means expecting a trap and caller will handle it themselves.
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It is used after attach, due to attaching to a process;
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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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1992-04-01 19:46:14 +00:00
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extern int stop_soon_quietly;
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Make writing to files work properly. (Fixes to BFD are also needed.)
* core.c (core_open): Open file ourselves, read or r/w, depending on
write_files. Use bfd_fdopenr.
* gdbcore.h (write_files): New variable.
* exec.c (write_files): Define variable, add set&show for it.
(exec_file_command): Use write_files to open for read or r/write.
Make shared library reading happen automatically. These changes
are mostly from Peter Schauer <pes@regent.e-technik.tu-muenchen.de>.
* inferior.h (stop_soon_quietly): Add to exported variables.
* infrun.c (child_create_inferior): call solib hook, if defined.
(child_attach): call solib hook, if defined.
* solib.c: Include inferior.h. Add from_tty to so_list as kludge.
(find_solib): Use lookup_misc_func rather than hand-rolled.
(symbol_add_stub): New stub for catch_errors.
(solib_add): Avoid output if !from_tty. Catch errors rather
than just calling symbol_file_add and bombing.
(solib_create_inferior_hook): Interface with the target process
to let it read and alloc shared libs, then figure out what it did.
* core.c (validate_files): Fix typo, soften warning.
(Fix from Hiroto Kagotani <kagotani@cs.titech.ac.jp>.)
* utils.c (fputs_demangled): Avoid duplicate printing if
demangling is off. (Fix from J.T. Conklin <jtc@cayenne.com>.)
* infrun.c (proceed): Cast -1 to (CORE_ADDR) before comparing.
(Fix from pierre@la.tce.com (Pierre Willard).)
* main.c (catch_errors): Change argument to a char * from an int,
since a char * can point to a struct full of glop, but an int
is not guaranteed to be able to hold a pointer.
* breakpoint.c (breakpoint_cond_eval, bpstat_stop_status,
breakpoint_re_set_one, breakpoint_re_set): Adapt.
* core.c (core_open, solib_add_stub): Adapt.
* remote-vx.c (symbol_stub, add_symbol_stub, callers): Adapt.
1991-09-04 07:43:50 +00:00
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1991-03-28 16:26:26 +00:00
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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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extern int proceed_to_finish;
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/* Save register contents here when about to pop a stack dummy frame,
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if-and-only-if proceed_to_finish is set.
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Thus this contains the return value from the called function (assuming
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values are returned in a register). */
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extern char stop_registers[REGISTER_BYTES];
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/* Nonzero if pc has been changed by the debugger
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since the inferior stopped. */
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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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1992-04-01 19:46:14 +00:00
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extern int attach_flag;
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1991-03-28 16:26:26 +00:00
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/* Possible values for CALL_DUMMY_LOCATION. */
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#define ON_STACK 1
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#define BEFORE_TEXT_END 2
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#define AFTER_TEXT_END 3
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#if !defined (CALL_DUMMY_LOCATION)
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#define CALL_DUMMY_LOCATION ON_STACK
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#endif /* No CALL_DUMMY_LOCATION. */
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/* Are we in a call dummy? The code below which allows DECR_PC_AFTER_BREAK
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below is for infrun.c, which may give the macro a pc without that
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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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1992-04-01 19:46:14 +00:00
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extern CORE_ADDR text_end;
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1991-03-28 16:26:26 +00:00
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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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1992-10-03 05:28:42 +00:00
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&& (pc) <= text_end + DECR_PC_AFTER_BREAK)
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1991-03-28 16:26:26 +00:00
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#else /* Not before text_end. */
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#if CALL_DUMMY_LOCATION == AFTER_TEXT_END
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1992-04-01 19:46:14 +00:00
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extern CORE_ADDR text_end;
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1991-03-28 16:26:26 +00:00
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#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
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((pc) >= text_end \
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1992-10-03 05:28:42 +00:00
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&& (pc) <= text_end + CALL_DUMMY_LENGTH + DECR_PC_AFTER_BREAK)
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1991-03-28 16:26:26 +00:00
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#else /* On stack. */
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#define PC_IN_CALL_DUMMY(pc, sp, frame_address) \
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((sp) INNER_THAN (pc) && (pc) INNER_THAN (frame_address))
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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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1992-04-01 19:46:14 +00:00
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#endif /* !defined (INFERIOR_H) */
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