darling-gdb/gdb/infcmd.c

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/* Memory-access and commands for "inferior" (child) process, for GDB.
Copyright 1986, 1987, 1988, 1989, 1991, 1992 Free Software Foundation, Inc.
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This file is part of GDB.
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
the Free Software Foundation; either version 2 of the License, or
(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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include <signal.h>
#include <sys/param.h>
#include <string.h>
#include "symtab.h"
#include "gdbtypes.h"
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#include "frame.h"
#include "inferior.h"
#include "environ.h"
#include "value.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "target.h"
static void
continue_command PARAMS ((char *, int));
static void
until_next_command PARAMS ((int));
static void
until_command PARAMS ((char *, int));
static void
path_info PARAMS ((char *, int));
static void
path_command PARAMS ((char *, int));
static void
unset_command PARAMS ((char *, int));
static void
float_info PARAMS ((char *, int));
static void
detach_command PARAMS ((char *, int));
static void
nofp_registers_info PARAMS ((char *, int));
static void
all_registers_info PARAMS ((char *, int));
static void
registers_info PARAMS ((char *, int));
static void
do_registers_info PARAMS ((int, int));
static void
unset_environment_command PARAMS ((char *, int));
static void
set_environment_command PARAMS ((char *, int));
static void
environment_info PARAMS ((char *, int));
static void
program_info PARAMS ((char *, int));
static void
finish_command PARAMS ((char *, int));
static void
signal_command PARAMS ((char *, int));
static void
jump_command PARAMS ((char *, int));
static void
step_1 PARAMS ((int, int, char *));
static void
nexti_command PARAMS ((char *, int));
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static void
stepi_command PARAMS ((char *, int));
static void
next_command PARAMS ((char *, int));
static void
step_command PARAMS ((char *, int));
static void
run_command PARAMS ((char *, int));
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#define ERROR_NO_INFERIOR \
if (!target_has_execution) error ("The program is not being run.");
/* String containing arguments to give to the program, separated by spaces.
Empty string (pointer to '\0') means no args. */
static char *inferior_args;
/* File name for default use for standard in/out in the inferior. */
char *inferior_io_terminal;
/* Pid of our debugged inferior, or 0 if no inferior now.
Since various parts of infrun.c test this to see whether there is a program
being debugged it should be nonzero (currently 3 is used) for remote
debugging. */
int inferior_pid;
/* Last signal that the inferior received (why it stopped). */
int stop_signal;
/* Address at which inferior stopped. */
CORE_ADDR stop_pc;
/* Stack frame when program stopped. */
FRAME_ADDR stop_frame_address;
/* Chain containing status of breakpoint(s) that we have stopped at. */
bpstat stop_bpstat;
/* Flag indicating that a command has proceeded the inferior past the
current breakpoint. */
int breakpoint_proceeded;
/* Nonzero if stopped due to a step command. */
int stop_step;
/* Nonzero if stopped due to completion of a stack dummy routine. */
int stop_stack_dummy;
/* Nonzero if stopped due to a random (unexpected) signal in inferior
process. */
int stopped_by_random_signal;
/* Range to single step within.
If this is nonzero, respond to a single-step signal
by continuing to step if the pc is in this range. */
CORE_ADDR step_range_start; /* Inclusive */
CORE_ADDR step_range_end; /* Exclusive */
/* Stack frame address as of when stepping command was issued.
This is how we know when we step into a subroutine call,
and how to set the frame for the breakpoint used to step out. */
FRAME_ADDR step_frame_address;
/* 1 means step over all subroutine calls.
0 means don't step over calls (used by stepi).
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-1 means step over calls to undebuggable functions. */
int step_over_calls;
/* If stepping, nonzero means step count is > 1
so don't print frame next time inferior stops
if it stops due to stepping. */
int step_multi;
/* Environment to use for running inferior,
in format described in environ.h. */
struct environ *inferior_environ;
/* ARGSUSED */
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void
tty_command (file, from_tty)
char *file;
int from_tty;
{
if (file == 0)
error_no_arg ("terminal name for running target process");
inferior_io_terminal = savestring (file, strlen (file));
}
static void
run_command (args, from_tty)
char *args;
int from_tty;
{
char *exec_file;
dont_repeat ();
if (inferior_pid)
{
if (
!query ("The program being debugged has been started already.\n\
Start it from the beginning? "))
error ("Program not restarted.");
target_kill ();
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}
exec_file = (char *) get_exec_file (0);
/* The exec file is re-read every time we do a generic_mourn_inferior, so
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we just have to worry about the symbol file. */
reread_symbols ();
if (args)
{
char *cmd;
cmd = concat ("set args ", args, NULL);
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make_cleanup (free, cmd);
execute_command (cmd, from_tty);
}
if (from_tty)
{
puts_filtered("Starting program: ");
if (exec_file)
puts_filtered(exec_file);
puts_filtered(" ");
puts_filtered(inferior_args);
puts_filtered("\n");
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fflush (stdout);
}
target_create_inferior (exec_file, inferior_args,
environ_vector (inferior_environ));
}
static void
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continue_command (proc_count_exp, from_tty)
char *proc_count_exp;
int from_tty;
{
ERROR_NO_INFERIOR;
/* If have argument, set proceed count of breakpoint we stopped at. */
if (proc_count_exp != NULL)
{
bpstat bs = stop_bpstat;
int num = bpstat_num (&bs);
if (num == 0 && from_tty)
{
printf_filtered
("Not stopped at any breakpoint; argument ignored.\n");
}
while (num != 0)
{
set_ignore_count (num,
parse_and_eval_address (proc_count_exp) - 1,
from_tty);
/* set_ignore_count prints a message ending with a period.
So print two spaces before "Continuing.". */
if (from_tty)
printf_filtered (" ");
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num = bpstat_num (&bs);
}
}
if (from_tty)
printf_filtered ("Continuing.\n");
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clear_proceed_status ();
proceed ((CORE_ADDR) -1, -1, 0);
}
/* Step until outside of current statement. */
/* ARGSUSED */
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static void
step_command (count_string, from_tty)
char *count_string;
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int from_tty;
{
step_1 (0, 0, count_string);
}
/* Likewise, but skip over subroutine calls as if single instructions. */
/* ARGSUSED */
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static void
next_command (count_string, from_tty)
char *count_string;
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int from_tty;
{
step_1 (1, 0, count_string);
}
/* Likewise, but step only one instruction. */
/* ARGSUSED */
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static void
stepi_command (count_string, from_tty)
char *count_string;
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int from_tty;
{
step_1 (0, 1, count_string);
}
/* ARGSUSED */
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static void
nexti_command (count_string, from_tty)
char *count_string;
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int from_tty;
{
step_1 (1, 1, count_string);
}
static void
step_1 (skip_subroutines, single_inst, count_string)
int skip_subroutines;
int single_inst;
char *count_string;
{
register int count = 1;
FRAME fr;
struct cleanup *cleanups = 0;
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ERROR_NO_INFERIOR;
count = count_string ? parse_and_eval_address (count_string) : 1;
if (!single_inst || skip_subroutines) /* leave si command alone */
{
enable_longjmp_breakpoint();
cleanups = make_cleanup(disable_longjmp_breakpoint, 0);
}
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for (; count > 0; count--)
{
clear_proceed_status ();
fr = get_current_frame ();
if (!fr) /* Avoid coredump here. Why tho? */
error ("No current frame");
step_frame_address = FRAME_FP (fr);
if (! single_inst)
{
find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end);
if (step_range_end == 0)
{
struct minimal_symbol *msymbol;
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msymbol = lookup_minimal_symbol_by_pc (stop_pc);
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target_terminal_ours ();
printf_filtered ("Current function has no line number information.\n");
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fflush (stdout);
/* No info or after _etext ("Can't happen") */
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
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if (msymbol == NULL || SYMBOL_NAME (msymbol + 1) == NULL)
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error ("No data available on pc function.");
printf_filtered ("Single stepping until function exit.\n");
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fflush (stdout);
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
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step_range_start = SYMBOL_VALUE_ADDRESS (msymbol);
step_range_end = SYMBOL_VALUE_ADDRESS (msymbol + 1);
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}
}
else
{
/* Say we are stepping, but stop after one insn whatever it does.
Don't step through subroutine calls even to undebuggable
functions. */
step_range_start = step_range_end = 1;
if (!skip_subroutines)
step_over_calls = 0;
}
if (skip_subroutines)
step_over_calls = 1;
step_multi = (count > 1);
proceed ((CORE_ADDR) -1, -1, 1);
if (! stop_step)
break;
#if defined (SHIFT_INST_REGS)
write_register (NNPC_REGNUM, read_register (NPC_REGNUM));
write_register (NPC_REGNUM, read_register (PC_REGNUM));
#endif
}
if (!single_inst || skip_subroutines)
do_cleanups(cleanups);
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}
/* Continue program at specified address. */
static void
jump_command (arg, from_tty)
char *arg;
int from_tty;
{
register CORE_ADDR addr;
struct symtabs_and_lines sals;
struct symtab_and_line sal;
struct symbol *fn;
struct symbol *sfn;
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ERROR_NO_INFERIOR;
if (!arg)
error_no_arg ("starting address");
sals = decode_line_spec_1 (arg, 1);
if (sals.nelts != 1)
{
error ("Unreasonable jump request");
}
sal = sals.sals[0];
free ((PTR)sals.sals);
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if (sal.symtab == 0 && sal.pc == 0)
error ("No source file has been specified.");
resolve_sal_pc (&sal); /* May error out */
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/* See if we are trying to jump to another function. */
fn = get_frame_function (get_current_frame ());
sfn = find_pc_function (sal.pc);
if (fn != NULL && sfn != fn)
{
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
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if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line,
SYMBOL_SOURCE_NAME (fn)))
{
error ("Not confirmed.");
/* NOTREACHED */
}
}
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addr = ADDR_BITS_SET (sal.pc);
if (from_tty)
printf_filtered ("Continuing at %s.\n", local_hex_string(addr));
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clear_proceed_status ();
proceed (addr, 0, 0);
}
/* Continue program giving it specified signal. */
static void
signal_command (signum_exp, from_tty)
char *signum_exp;
int from_tty;
{
register int signum;
dont_repeat (); /* Too dangerous. */
ERROR_NO_INFERIOR;
if (!signum_exp)
error_no_arg ("signal number");
signum = parse_and_eval_address (signum_exp);
if (from_tty)
printf_filtered ("Continuing with signal %d.\n", signum);
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clear_proceed_status ();
proceed (stop_pc, signum, 0);
}
/* Execute a "stack dummy", a piece of code stored in the stack
by the debugger to be executed in the inferior.
To call: first, do PUSH_DUMMY_FRAME.
Then push the contents of the dummy. It should end with a breakpoint insn.
Then call here, passing address at which to start the dummy.
The contents of all registers are saved before the dummy frame is popped
and copied into the buffer BUFFER.
The dummy's frame is automatically popped whenever that break is hit.
If that is the first time the program stops, run_stack_dummy
returns to its caller with that frame already gone.
Otherwise, the caller never gets returned to. */
/* DEBUG HOOK: 4 => return instead of letting the stack dummy run. */
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static int stack_dummy_testing = 0;
void
run_stack_dummy (addr, buffer)
CORE_ADDR addr;
char buffer[REGISTER_BYTES];
{
/* Now proceed, having reached the desired place. */
clear_proceed_status ();
if (stack_dummy_testing & 4)
{
POP_FRAME;
return;
}
proceed_to_finish = 1; /* We want stop_registers, please... */
proceed (addr, 0, 0);
if (!stop_stack_dummy)
/* This used to say
"Cannot continue previously requested operation". */
error ("\
The program being debugged stopped while in a function called from GDB.\n\
The expression which contained the function call has been discarded.");
/* On return, the stack dummy has been popped already. */
memcpy (buffer, stop_registers, sizeof stop_registers);
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}
/* Proceed until we reach a different source line with pc greater than
our current one or exit the function. We skip calls in both cases.
Note that eventually this command should probably be changed so
that only source lines are printed out when we hit the breakpoint
we set. I'm going to postpone this until after a hopeful rewrite
of wait_for_inferior and the proceed status code. -- randy */
/* ARGSUSED */
static void
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until_next_command (from_tty)
int from_tty;
{
FRAME frame;
CORE_ADDR pc;
struct symbol *func;
struct symtab_and_line sal;
clear_proceed_status ();
frame = get_current_frame ();
/* Step until either exited from this function or greater
than the current line (if in symbolic section) or pc (if
not). */
pc = read_pc ();
func = find_pc_function (pc);
if (!func)
{
struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc);
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if (msymbol == NULL)
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error ("Execution is not within a known function.");
* defs.h (STRCMP, STREQ, STREQN): New macros. * defs.h (demangle_and_match): Remove prototype. * dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ and STREQN defined in defs.h. * dwarfread.c (set_cu_language): For completely unknown languages, try to deduce the language from the filename. Retain behavior that for known languages we don't know how to handle, we use language_unknown. * dwarfread.c (enum_type, symthesize_typedef): Initialize language and demangled name fields in symbol. * dwarfread.c, mipsread.c, partial-stab.h: For all usages of ADD_PSYMBOL_TO_LIST, add language and objfile parameters. * dwarfread.c (new_symbol): Attempt to demangle C++ symbol names and cache the results in SYMBOL_DEMANGLED_NAME for the symbol. * elfread.c (STREQ): Remove macro, use STREQ defined in defs.h. Replace usages throughout. * elfread.c (demangle.h): Include. * elfread.c (record_minimal_symbol): Remove prototype and function. * gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES, B_CLRALL): Moved from symtab.h to gdbtypes.h. * infcmd.c (jump_command): Remove code to demangle name and add it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME. * minsyms.c (demangle.h): Include. * minsyms.c (lookup_minimal_symbol): Indent comment to match code. * minsyms.c (install_minimal_symbols): Attempt to demangle symbol names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME. * mipsread.c (psymtab_language): Add static variable. * stabsread.c (demangle.h): Include. * stabsread.c (define_symbol): Attempt to demangle C++ symbol names and cache them in the SYMBOL_DEMANGLED_NAME field. * stack.c (return_command): Remove explicit demangling of name and use of cleanups. Just use SYMBOL_DEMANGLED_NAME. * symfile.c (demangle.h): Include. * symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix to match macros in symfile.h and allow them to be compiled if INLINE_ADD_PSYMBOL is not true. * symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set. * symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters. Add code to demangle and cache C++ symbol names. Use macro form if INLINE_ADD_PSYMBOL is true, otherwise use C function form. * symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list): Remove, also defined in symfile.c, which we already fixed. * symtab.c (expensive_mangler): Remove prototype and function. * symtab.c (find_methods): Remove physnames parameter and fix prototype to match. * symtab.c (completion_list_add_symbol): Name changed to completion_list_add_name. * symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both the normal symbol name and the cached C++ demangled name. * symtab.c (lookup_demangled_partial_symbol, lookup_demangled_block_symbol): Remove prototypes and functions. * symtab.c (lookup_symbol): Remove use of expensive_mangler, use lookup_block_symbol instead of lookup_demangled_block_symbol. Remove code to try demangling names and matching them. * symtab.c (lookup_partial_symbol, lookup_block_symbol): Fix to try matching the cached demangled name if no match is found using the regular symbol name. * symtab.c (find_methods): Remove unused physnames array. * symtab.c (name_match, NAME_MATCH): Remove function and macro, replaced with SYMBOL_MATCHES_REGEXP from symtab.h. * symtab.c (completion_list_add_symbol): Rewrite to use cached C++ demangled symbol names. * symtab.h: Much reformatting of structures and such to add whitespace to make them more readable, and make them more consistent with other gdb structure definitions. * symtab.h (general_symbol_info): New struct containing fields common to all symbols. * symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME, SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME, SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros. * symtab. (struct minimal_symbol, struct partial_symbol, struct symbol): Use general_symbol_info struct. * utils.c (demangle_and_match): Remove, no longer used. * valops.c (demangle.h): Include. * xcoffexec.c (eq): Remove macro, replace usages with STREQ. * blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c, infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c, symmisc.c, symtab.c, valops.c: Replace references to minimal symbol fields with appropriate macros. * breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c, coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c, demangle.c, elfread.c, energize.c, environ.c, exec.c, gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c, main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c, remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c, sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c, symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h, tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp and strncmp usages with STREQ, STREQN, or STRCMP as appropriate. * breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c, mipsread.c, printcmd.c, source.c, stabsread.c, stack.c, symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as appropriate. * buildsym.c (start_subfile, patch_subfile_names): Default the source language to what can be deduced from the filename. * buildsym.c (end_symtab): Update the source language in the allocated symtab to match what we have been using. * buildsym.h (struct subfile): Add a language field. * c-typeprint.c (c_print_type): Remove code to do explicit demangling. * dbxread.c (psymtab_language): Add static variable. * dbxread.c (start_psymtab): Initialize psymtab_language using deduce_language_from_filename.
1992-12-23 06:34:57 +00:00
step_range_start = SYMBOL_VALUE_ADDRESS (msymbol);
1991-03-28 16:26:26 +00:00
step_range_end = pc;
}
else
{
sal = find_pc_line (pc, 0);
step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func));
step_range_end = sal.end;
}
step_over_calls = 1;
step_frame_address = FRAME_FP (frame);
step_multi = 0; /* Only one call to proceed */
proceed ((CORE_ADDR) -1, -1, 1);
}
static void
1991-03-28 16:26:26 +00:00
until_command (arg, from_tty)
char *arg;
int from_tty;
{
if (!target_has_execution)
error ("The program is not running.");
if (arg)
until_break_command (arg, from_tty);
else
until_next_command (from_tty);
}
/* "finish": Set a temporary breakpoint at the place
the selected frame will return to, then continue. */
static void
finish_command (arg, from_tty)
char *arg;
int from_tty;
{
struct symtab_and_line sal;
register FRAME frame;
struct frame_info *fi;
register struct symbol *function;
struct breakpoint *breakpoint;
struct cleanup *old_chain;
1991-03-28 16:26:26 +00:00
if (arg)
error ("The \"finish\" command does not take any arguments.");
if (!target_has_execution)
error ("The program is not running.");
if (selected_frame == NULL)
error ("No selected frame.");
1991-03-28 16:26:26 +00:00
frame = get_prev_frame (selected_frame);
if (frame == 0)
error ("\"finish\" not meaningful in the outermost frame.");
clear_proceed_status ();
fi = get_frame_info (frame);
sal = find_pc_line (fi->pc, 0);
sal.pc = fi->pc;
breakpoint = set_momentary_breakpoint (sal, frame, bp_finish);
old_chain = make_cleanup(delete_breakpoint, breakpoint);
1991-03-28 16:26:26 +00:00
/* Find the function we will return from. */
fi = get_frame_info (selected_frame);
function = find_pc_function (fi->pc);
/* Print info on the selected frame, including level number
but not source. */
1991-03-28 16:26:26 +00:00
if (from_tty)
{
printf_filtered ("Run till exit from ");
print_stack_frame (selected_frame, selected_frame_level, 0);
1991-03-28 16:26:26 +00:00
}
proceed_to_finish = 1; /* We want stop_registers, please... */
proceed ((CORE_ADDR) -1, -1, 0);
/* Did we stop at our breakpoint? */
if (bpstat_find_breakpoint(stop_bpstat, breakpoint) != NULL
&& function != 0)
1991-03-28 16:26:26 +00:00
{
struct type *value_type;
register value val;
CORE_ADDR funcaddr;
value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function));
if (!value_type)
fatal ("internal: finish_command: function has no target type");
if (TYPE_CODE (value_type) == TYPE_CODE_VOID)
return;
funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function));
val = value_being_returned (value_type, stop_registers,
using_struct_return (value_of_variable (function),
funcaddr,
value_type,
BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))));
printf_filtered ("Value returned is $%d = ", record_latest_value (val));
1991-03-28 16:26:26 +00:00
value_print (val, stdout, 0, Val_no_prettyprint);
printf_filtered ("\n");
1991-03-28 16:26:26 +00:00
}
do_cleanups(old_chain);
1991-03-28 16:26:26 +00:00
}
/* ARGSUSED */
1991-03-28 16:26:26 +00:00
static void
program_info (args, from_tty)
char *args;
int from_tty;
{
bpstat bs = stop_bpstat;
int num = bpstat_num (&bs);
if (!target_has_execution)
{
printf_filtered ("The program being debugged is not being run.\n");
1991-03-28 16:26:26 +00:00
return;
}
target_files_info ();
printf_filtered ("Program stopped at %s.\n", local_hex_string(stop_pc));
1991-03-28 16:26:26 +00:00
if (stop_step)
printf_filtered ("It stopped after being stepped.\n");
1991-03-28 16:26:26 +00:00
else if (num != 0)
{
/* There may be several breakpoints in the same place, so this
isn't as strange as it seems. */
while (num != 0)
{
if (num < 0)
printf_filtered ("It stopped at a breakpoint that has since been deleted.\n");
1991-03-28 16:26:26 +00:00
else
printf_filtered ("It stopped at breakpoint %d.\n", num);
1991-03-28 16:26:26 +00:00
num = bpstat_num (&bs);
}
}
else if (stop_signal) {
#ifdef PRINT_RANDOM_SIGNAL
PRINT_RANDOM_SIGNAL (stop_signal);
#else
printf_filtered ("It stopped with signal %d (%s).\n",
stop_signal, safe_strsignal (stop_signal));
1991-03-28 16:26:26 +00:00
#endif
}
if (!from_tty)
printf_filtered ("Type \"info stack\" or \"info registers\" for more information.\n");
1991-03-28 16:26:26 +00:00
}
static void
environment_info (var, from_tty)
1991-03-28 16:26:26 +00:00
char *var;
int from_tty;
1991-03-28 16:26:26 +00:00
{
if (var)
{
register char *val = get_in_environ (inferior_environ, var);
if (val)
1992-12-15 11:19:30 +00:00
{
puts_filtered (var);
puts_filtered (" = ");
puts_filtered (val);
puts_filtered ("\n");
}
1991-03-28 16:26:26 +00:00
else
1992-12-15 11:19:30 +00:00
{
puts_filtered ("Environment variable \"");
puts_filtered (var);
puts_filtered ("\" not defined.\n");
}
1991-03-28 16:26:26 +00:00
}
else
{
register char **vector = environ_vector (inferior_environ);
while (*vector)
1992-12-15 11:19:30 +00:00
{
puts_filtered (*vector++);
puts_filtered ("\n");
}
1991-03-28 16:26:26 +00:00
}
}
static void
set_environment_command (arg, from_tty)
1991-03-28 16:26:26 +00:00
char *arg;
int from_tty;
1991-03-28 16:26:26 +00:00
{
register char *p, *val, *var;
int nullset = 0;
if (arg == 0)
error_no_arg ("environment variable and value");
/* Find seperation between variable name and value */
p = (char *) strchr (arg, '=');
val = (char *) strchr (arg, ' ');
if (p != 0 && val != 0)
{
/* We have both a space and an equals. If the space is before the
1992-12-15 11:19:30 +00:00
equals, walk forward over the spaces til we see a nonspace
(possibly the equals). */
1991-03-28 16:26:26 +00:00
if (p > val)
while (*val == ' ')
val++;
1992-12-15 11:19:30 +00:00
/* Now if the = is after the char following the spaces,
take the char following the spaces. */
if (p > val)
p = val - 1;
1991-03-28 16:26:26 +00:00
}
else if (val != 0 && p == 0)
p = val;
if (p == arg)
error_no_arg ("environment variable to set");
if (p == 0 || p[1] == 0)
{
nullset = 1;
if (p == 0)
p = arg + strlen (arg); /* So that savestring below will work */
}
else
{
/* Not setting variable value to null */
val = p + 1;
while (*val == ' ' || *val == '\t')
val++;
}
while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) p--;
var = savestring (arg, p - arg);
if (nullset)
{
printf_filtered ("Setting environment variable \"%s\" to null value.\n", var);
1991-03-28 16:26:26 +00:00
set_in_environ (inferior_environ, var, "");
}
else
set_in_environ (inferior_environ, var, val);
free (var);
}
static void
unset_environment_command (var, from_tty)
char *var;
int from_tty;
{
if (var == 0)
{
/* If there is no argument, delete all environment variables.
Ask for confirmation if reading from the terminal. */
if (!from_tty || query ("Delete all environment variables? "))
{
free_environ (inferior_environ);
inferior_environ = make_environ ();
}
}
else
unset_in_environ (inferior_environ, var);
}
/* Handle the execution path (PATH variable) */
* Makefile.in (VERSION): Bump to 4.7.4. * Makefile.in (SFILES_MAINDIR): Add typeprint.c, c-typeprint.c, m2-typeprint.c, c-valprint.c cp-valprint.c m2-valprint.c. * Makefile.in (HFILES): Add valprint.h. * Makefile.in (OBS): Add typeprint.o, c-typeprint.o, m2-typeprint.o, c-valprint.o, cp-valprint.o m2-valprint.o. * typeprint.c, typeprint.h: New files for language independent type printing functions. * c-typeprint.c, m2-typeprint.c: New files for language dependent type printing functions and definitions. * valprint.h: New include file for language independent value printing definitions. * c-valprint.c, cp-valprint.c, m2-valprint.c: New files for language dependent value printing functions. * c-exp.y (production ptype): Add range_type variable and use new create_range_type function. * c-exp.y (tokentab2, tokentab3), c-lang.c (c_op_print_tab), infcmd.c (path_var_name), language.c (unk_op_print_tab), m2-lang.c (m2_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * c-exp.y (c_create_fundamental_type): Remove unused nbytes. * c-exp.y (c_language_defn, cplus_language_defn): Add c_print_type, and c_val_print. * c-lang.h (c_print_type, c_val_print): Add prototypes. * coffread.c (decode_type): Add range_type variable and call to new create_range_type function. * complaints.c (complain): Remove unused val variable. * complaints.c (_initialize_complaints): Make it void. * convex-tdep.c (value_of_trapped_internalvar): Add range_type variable and call new create_range_type function. * defs.h (enum val_prettyprint): Move enum from value.h to here so we can avoid having to include value.h just for prototypes that need the enum (thanks ANSI). * dwarfread.c (struct_type): Local anonymous_size variable is only used if !BITS_BIG_ENDIAN. * dwarfread.c (decode_subscript_data_item): Add rangetype variable and call new create_range_type function. * elfread.c (elf_symfile_read): Remove unused dbx and text_sect variables. * eval.c (evaluate_subexp): Remove unused local variable name and the statement with no side effects that initializes it. * expprint.c (print_subexp): Change local_printstr to LA_PRINT_STRING. * gdbtypes.c (create_range_type): New function that creates a range type using code fragments from object file readers as an example of what has to be initialized. * gdbtypes.c (create_array_type): Removed index_type, low_bound, and high_bound parameters, replaced with a single range_type parameter. Change function body to use passed in range_type rather than handcrafting one. * gdbtypes.h (create_range_type): Add prototype. * gdbtypes.h (create_array_type): Change prototype parameters. * infrun.c (normal_stop): Remove unused local variables tem and c. * infrun.c (hook_stop_stub): Return 0 rather than random value. * language.c (unk_lang_print_type, unk_lang_val_print): Add stub functions that call error if called. * language.c (unknown_language_defn, auto_language_defn, local_language_defn): Add initializers unk_lang_print_type and unk_lang_val_print. * language.h (struct language_defn): Reformat for larger comments, add la_print_type and la_val_print members. Add LA_PRINT_TYPE and LA_VAL_PRINT macros. Change local_printchar to LA_PRINT_CHAR and local_printstr to LA_PRINT_STRING. * m2-lang.c (m2_create_fundamental_type): Remove unused local variable nbytes. * m2-lang.c (m2_language_defn): Add initializers m2_print_type and m2_val_print. * m2-lang.h (m2_print_type, m2_val_print): Add prototypes. * main.c (execute_command): Remove unused local variable cmdlines. * main.c (echo_command), stabsread.c (read_type), printcmd.c (clear_displays), symmisc.c (block_depth), values.c (clear_value_history): Make testing of truth value of assignment result explicit. * mipsread.c (upgrade_type): Update FIXME to include future use of create_range_type. * printcmd.c (ptype_command, ptype_eval, whatis_command, whatis_exp, maintenance_print_type): Move prototypes and functions to new typeprint.c. * printcmd.c (_initialize_printcmd): Move add_com calls for ptype_command and whatis_command to new typeprint.c. * ser-bsd.c (serial_open): Remove unused variable sgttyb. * source.c (find_source_lines): Local variable c only used when LSEEK_NOT_LINEAR is defined. * stabsread.c (read_array_type): Use new create_range_type function. * stabsread.c (read_range_type): Add new index_type variable and call new create_range_type function rather than handcrafting range types. * symmisc.c (type_print_1): Change usages to LA_PRINT_TYPE. * symtab.c (typedef_print usages): Use c_typedef_print, renamed. * symtab.c (type_print_base usages): Use c_type_print_base. * symtab.c (type_print_varspec_prefix usages): Use c_type_print_varspec_prefix. * symtab.c (type_print_method_args usages): Use cp_type_print_method_args. * valprint.c: Completely ripped apart and the fragments used to create c-valprint.c, cp-valprint.c, m2-valprint.c, and valprint.h. Remaining stuff is language independent. * value.h (struct fn_field): Forward declare for prototypes. * value.h (type_print_1): Remove prototype. * value.h (enum val_prettyprint): Moved to defs.h. * value.h (typedef_print): Prototype renamed to c_typedef_print. * value.h (baseclass_offset): Add prototype. **** start-sanitize-chill **** * Makefile.in (SFILES_MAINDIR): Add ch-typeprint.c, ch-valprint.c. * Makefile.in (OBS): Add ch-typeprint.o, ch-valprint.o. * ch-typeprint.c: New file for language dependent type printing. * ch-valprint.c: New file for language dependent value printing. * ch-exp.y (parse_number): Remove prototype and stub function. * ch-exp.y (decode_integer_literal): Removed unused digits and temp variables. * ch-exp.y (convert_float): Completely ifdef out for now. * ch-exp.y (tokentab2, tokentab3, tokentab4, tokentab5), ch-lang.c (chill_op_print_tab): Change from ANSI-obsolescent "const static" to ANSI-conformant "static const". * ch-exp.y (yylex): Add unhandled storage class enumeration literals to switch statement for completeness. * ch-lang.c (chill_create_fundamental_types): Remove unused nbytes variable. Change dummy type to 2 bytes to match int. Handle FT_VOID types gratuituously added to chill DWARF by compiler. Change FT_CHAR case to generate an TYPE_CODE_CHAR type rather than a one byte TYPE_CODE_INT type. * ch-lang.c (chill_language_defn): Add chill_print_type and chill_val_print. * ch-lang.h (chill_print_type, chill_val_print): Add prototypes. **** end-sanitize-chill ****
1992-12-18 20:21:32 +00:00
static const char path_var_name[] = "PATH";
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/* ARGSUSED */
static void
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path_info (args, from_tty)
char *args;
int from_tty;
{
puts_filtered ("Executable and object file path: ");
puts_filtered (get_in_environ (inferior_environ, path_var_name));
puts_filtered ("\n");
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}
/* Add zero or more directories to the front of the execution path. */
static void
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path_command (dirname, from_tty)
char *dirname;
int from_tty;
{
char *exec_path;
dont_repeat ();
exec_path = strsave (get_in_environ (inferior_environ, path_var_name));
mod_path (dirname, &exec_path);
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set_in_environ (inferior_environ, path_var_name, exec_path);
free (exec_path);
if (from_tty)
path_info ((char *)NULL, from_tty);
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}
CORE_ADDR
read_pc ()
{
#if GDB_TARGET_IS_HPPA
int flags = read_register(FLAGS_REGNUM);
if (flags & 2)
return read_register(31) & ~0x3;
#endif
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return ADDR_BITS_REMOVE ((CORE_ADDR) read_register (PC_REGNUM));
}
void
write_pc (val)
CORE_ADDR val;
{
write_register (PC_REGNUM, (long) val);
#ifdef NPC_REGNUM
write_register (NPC_REGNUM, (long) val+4);
#endif
pc_changed = 0;
}
const char * const reg_names[] = REGISTER_NAMES;
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/* Print out the machine register regnum. If regnum is -1,
print all registers (fpregs == 1) or all non-float registers
(fpregs == 0).
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For most machines, having all_registers_info() print the
register(s) one per line is good enough. If a different format
is required, (eg, for MIPS or Pyramid 90x, which both have
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lots of regs), or there is an existing convention for showing
all the registers, define the macro DO_REGISTERS_INFO(regnum, fp)
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to provide that format. */
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#if !defined (DO_REGISTERS_INFO)
#define DO_REGISTERS_INFO(regnum, fp) do_registers_info(regnum, fp)
static void
do_registers_info (regnum, fpregs)
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int regnum;
int fpregs;
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{
register int i;
for (i = 0; i < NUM_REGS; i++)
{
char raw_buffer[MAX_REGISTER_RAW_SIZE];
char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
/* Decide between printing all regs, nonfloat regs, or specific reg. */
if (regnum == -1) {
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT && !fpregs)
continue;
} else {
if (i != regnum)
continue;
}
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fputs_filtered (reg_names[i], stdout);
print_spaces_filtered (15 - strlen (reg_names[i]), stdout);
/* Get the data in raw format, then convert also to virtual format. */
if (read_relative_register_raw_bytes (i, raw_buffer))
{
printf_filtered ("Invalid register contents\n");
continue;
}
REGISTER_CONVERT_TO_VIRTUAL (i, raw_buffer, virtual_buffer);
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/* If virtual format is floating, print it that way, and in raw hex. */
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT
&& ! INVALID_FLOAT (virtual_buffer, REGISTER_VIRTUAL_SIZE (i)))
{
register int j;
val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0,
stdout, 0, 1, 0, Val_pretty_default);
printf_filtered ("\t(raw 0x");
for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
printf_filtered ("%02x", (unsigned char)raw_buffer[j]);
printf_filtered (")");
}
/* FIXME! val_print probably can handle all of these cases now... */
/* Else if virtual format is too long for printf,
print in hex a byte at a time. */
else if (REGISTER_VIRTUAL_SIZE (i) > sizeof (long))
{
register int j;
printf_filtered ("0x");
for (j = 0; j < REGISTER_VIRTUAL_SIZE (i); j++)
printf_filtered ("%02x", (unsigned char)virtual_buffer[j]);
}
/* Else print as integer in hex and in decimal. */
else
{
val_print (REGISTER_VIRTUAL_TYPE (i), raw_buffer, 0,
stdout, 'x', 1, 0, Val_pretty_default);
printf_filtered ("\t");
val_print (REGISTER_VIRTUAL_TYPE (i), raw_buffer, 0,
stdout, 0, 1, 0, Val_pretty_default);
}
/* The SPARC wants to print even-numbered float regs as doubles
in addition to printing them as floats. */
#ifdef PRINT_REGISTER_HOOK
PRINT_REGISTER_HOOK (i);
#endif
printf_filtered ("\n");
}
}
#endif /* no DO_REGISTERS_INFO. */
static void
registers_info (addr_exp, fpregs)
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char *addr_exp;
int fpregs;
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{
int regnum;
register char *end;
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if (!target_has_registers)
error ("The program has no registers now.");
if (!addr_exp)
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{
DO_REGISTERS_INFO(-1, fpregs);
return;
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}
do
{
if (addr_exp[0] == '$')
addr_exp++;
end = addr_exp;
while (*end != '\0' && *end != ' ' && *end != '\t')
++end;
for (regnum = 0; regnum < NUM_REGS; regnum++)
if (!strncmp (addr_exp, reg_names[regnum], end - addr_exp)
&& strlen (reg_names[regnum]) == end - addr_exp)
goto found;
if (*addr_exp >= '0' && *addr_exp <= '9')
regnum = atoi (addr_exp); /* Take a number */
if (regnum >= NUM_REGS) /* Bad name, or bad number */
error ("%.*s: invalid register", end - addr_exp, addr_exp);
found:
DO_REGISTERS_INFO(regnum, fpregs);
addr_exp = end;
while (*addr_exp == ' ' || *addr_exp == '\t')
++addr_exp;
} while (*addr_exp != '\0');
}
static void
all_registers_info (addr_exp, from_tty)
char *addr_exp;
int from_tty;
{
registers_info (addr_exp, 1);
}
static void
nofp_registers_info (addr_exp, from_tty)
char *addr_exp;
int from_tty;
{
registers_info (addr_exp, 0);
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}
/*
* TODO:
* Should save/restore the tty state since it might be that the
* program to be debugged was started on this tty and it wants
* the tty in some state other than what we want. If it's running
* on another terminal or without a terminal, then saving and
* restoring the tty state is a harmless no-op.
* This only needs to be done if we are attaching to a process.
*/
/*
attach_command --
takes a program started up outside of gdb and ``attaches'' to it.
This stops it cold in its tracks and allows us to start debugging it.
and wait for the trace-trap that results from attaching. */
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void
attach_command (args, from_tty)
char *args;
int from_tty;
{
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dont_repeat (); /* Not for the faint of heart */
if (target_has_execution)
{
if (query ("A program is being debugged already. Kill it? "))
target_kill ();
else
error ("Inferior not killed.");
}
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target_attach (args, from_tty);
/* Set up the "saved terminal modes" of the inferior
based on what modes we are starting it with. */
target_terminal_init ();
/* Install inferior's terminal modes. */
target_terminal_inferior ();
/* Set up execution context to know that we should return from
wait_for_inferior as soon as the target reports a stop. */
init_wait_for_inferior ();
clear_proceed_status ();
stop_soon_quietly = 1;
wait_for_inferior ();
#ifdef SOLIB_ADD
/* Add shared library symbols from the newly attached process, if any. */
SOLIB_ADD ((char *)0, from_tty, (struct target_ops *)0);
#endif
normal_stop ();
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}
/*
* detach_command --
* takes a program previously attached to and detaches it.
* The program resumes execution and will no longer stop
* on signals, etc. We better not have left any breakpoints
* in the program or it'll die when it hits one. For this
* to work, it may be necessary for the process to have been
* previously attached. It *might* work if the program was
* started via the normal ptrace (PTRACE_TRACEME).
*/
static void
detach_command (args, from_tty)
char *args;
int from_tty;
{
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dont_repeat (); /* Not for the faint of heart */
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target_detach (args, from_tty);
}
/* ARGSUSED */
static void
float_info (addr_exp, from_tty)
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char *addr_exp;
int from_tty;
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{
#ifdef FLOAT_INFO
FLOAT_INFO;
#else
printf_filtered ("No floating point info available for this processor.\n");
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#endif
}
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/* ARGSUSED */
static void
unset_command (args, from_tty)
char *args;
int from_tty;
{
printf_filtered ("\"unset\" must be followed by the name of an unset subcommand.\n");
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help_list (unsetlist, "unset ", -1, stdout);
}
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void
_initialize_infcmd ()
{
struct cmd_list_element *c;
add_com ("tty", class_run, tty_command,
"Set terminal for future runs of program being debugged.");
add_show_from_set
(add_set_cmd ("args", class_run, var_string_noescape, (char *)&inferior_args,
"Set arguments to give program being debugged when it is started.\n\
Follow this command with any number of args, to be passed to the program.",
&setlist),
&showlist);
c = add_cmd
("environment", no_class, environment_info,
"The environment to give the program, or one variable's value.\n\
With an argument VAR, prints the value of environment variable VAR to\n\
give the program being debugged. With no arguments, prints the entire\n\
environment to be given to the program.", &showlist);
c->completer = noop_completer;
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add_prefix_cmd ("unset", no_class, unset_command,
"Complement to certain \"set\" commands",
&unsetlist, "unset ", 0, &cmdlist);
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c = add_cmd ("environment", class_run, unset_environment_command,
"Cancel environment variable VAR for the program.\n\
This does not affect the program until the next \"run\" command.",
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&unsetlist);
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c->completer = noop_completer;
c = add_cmd ("environment", class_run, set_environment_command,
"Set environment variable value to give the program.\n\
Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\
VALUES of environment variables are uninterpreted strings.\n\
This does not affect the program until the next \"run\" command.",
&setlist);
c->completer = noop_completer;
add_com ("path", class_files, path_command,
"Add directory DIR(s) to beginning of search path for object files.\n\
$cwd in the path means the current working directory.\n\
This path is equivalent to the $PATH shell variable. It is a list of\n\
directories, separated by colons. These directories are searched to find\n\
fully linked executable files and separately compiled object files as needed.");
c = add_cmd ("paths", no_class, path_info,
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"Current search path for finding object files.\n\
$cwd in the path means the current working directory.\n\
This path is equivalent to the $PATH shell variable. It is a list of\n\
directories, separated by colons. These directories are searched to find\n\
fully linked executable files and separately compiled object files as needed.", &showlist);
c->completer = noop_completer;
1991-03-28 16:26:26 +00:00
add_com ("attach", class_run, attach_command,
"Attach to a process or file outside of GDB.\n\
This command attaches to another target, of the same type as your last\n\
`target' command (`info files' will show your target stack).\n\
The command may take as argument a process id or a device file.\n\
For a process id, you must have permission to send the process a signal,\n\
and it must have the same effective uid as the debugger.\n\
When using \"attach\", you should use the \"file\" command to specify\n\
the program running in the process, and to load its symbol table.");
add_com ("detach", class_run, detach_command,
"Detach a process or file previously attached.\n\
If a process, it is no longer traced, and it continues its execution. If you\n\
were debugging a file, the file is closed and gdb no longer accesses it.");
add_com ("signal", class_run, signal_command,
"Continue program giving it signal number SIGNUMBER.");
add_com ("stepi", class_run, stepi_command,
"Step one instruction exactly.\n\
Argument N means do this N times (or till program stops for another reason).");
add_com_alias ("si", "stepi", class_alias, 0);
add_com ("nexti", class_run, nexti_command,
"Step one instruction, but proceed through subroutine calls.\n\
Argument N means do this N times (or till program stops for another reason).");
add_com_alias ("ni", "nexti", class_alias, 0);
add_com ("finish", class_run, finish_command,
"Execute until selected stack frame returns.\n\
Upon return, the value returned is printed and put in the value history.");
add_com ("next", class_run, next_command,
"Step program, proceeding through subroutine calls.\n\
Like the \"step\" command as long as subroutine calls do not happen;\n\
when they do, the call is treated as one instruction.\n\
Argument N means do this N times (or till program stops for another reason).");
add_com_alias ("n", "next", class_run, 1);
add_com ("step", class_run, step_command,
"Step program until it reaches a different source line.\n\
Argument N means do this N times (or till program stops for another reason).");
add_com_alias ("s", "step", class_run, 1);
add_com ("until", class_run, until_command,
"Execute until the program reaches a source line greater than the current\n\
or a specified line or address or function (same args as break command).\n\
Execution will also stop upon exit from the current stack frame.");
add_com_alias ("u", "until", class_run, 1);
add_com ("jump", class_run, jump_command,
"Continue program being debugged at specified line or address.\n\
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
for an address to start at.");
add_com ("continue", class_run, continue_command,
"Continue program being debugged, after signal or breakpoint.\n\
If proceeding from breakpoint, a number N may be used as an argument:\n\
then the same breakpoint won't break until the Nth time it is reached.");
add_com_alias ("c", "cont", class_run, 1);
add_com_alias ("fg", "cont", class_run, 1);
add_com ("run", class_run, run_command,
"Start debugged program. You may specify arguments to give it.\n\
Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\
Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\
With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\
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To cancel previous arguments and run with no arguments,\n\
use \"set args\" without arguments.");
add_com_alias ("r", "run", class_run, 1);
add_info ("registers", nofp_registers_info,
"List of integer registers and their contents, for selected stack frame.\n\
Register name as argument means describe only that register.");
add_info ("all-registers", all_registers_info,
"List of all registers and their contents, for selected stack frame.\n\
1991-03-28 16:26:26 +00:00
Register name as argument means describe only that register.");
add_info ("program", program_info,
"Execution status of the program.");
add_info ("float", float_info,
"Print the status of the floating point unit\n");
inferior_args = savestring ("", 1); /* Initially no args */
inferior_environ = make_environ ();
init_environ (inferior_environ);
}