binutils-gdb/gdb/infptrace.c

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/* Low level Unix child interface to ptrace, for GDB when running under Unix.
Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "defs.h"
#include "frame.h"
#include "inferior.h"
#include "target.h"
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
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#include "gdb_string.h"
* core-aout.c (fetch_core_registers): Cast core_reg_size to int before testing against reg_ptr. * eval.c (evaluate_subexp_standard): Cast type of TYPE_FN_FIELD_VOFFSET to int. * findvar.c (extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer): Cast type of sizeof to int. * values.c (unpack_field_as_long, modify_field): Ditto. * valops.c (value_assign, call_function_by_hand): Ditto. * infcmd.c (do_registers_info): Ditto. * ser-tcp.c (tcp_open): Ditto * remote.c (putpkt): Ditto. * dcache.c (dcache_peek): Ditto. * dcache.c (dcache_poke): Ditto. * m2-exp.y (yylex): Ditto. * gnu-regex.c (re_match_2): Ditto. * f-lang.c (ADD_BF_SYMNUM, saved_bf_list_end, tmp_bf_ptr): Ifdef out unused macro definition and variables. * inftarg.c (proc_wait): Move from main.c to here, and make static. * valprint.c (val_print_string): Change bufsize from int to unsigned. * main.c (wait.h): Include * top.c (command_line_input): Remove unused variable "c". * f-typeprint.c (f_type_print_varspec_prefix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. (f_type_print_varspec_suffix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. * ch-exp.c (parse_primval): Add remaining enumeration values to switch statement, with no specific action. (ch_lex): Add LOC_UNRESOLVED in switch statement. (pushback_token): Ifdef out, since code using it is ifdef'd out. * stabsread.c (cleanup_undefined_types): Remove unused label "badtype". * objfiles.h (print_symbol_bcache_statistics): Add prototype. * maint.c (objfiles.h): Include. (maintenance_print_statistics): Remove unused variable "temp". * minsyms.c (lookup_minimal_symbol_solib_trampoline): Remove unused variable "found_file_symbol". * m2-exp.y (yylex): Add LOC_UNRESOLVED case to switch. * language.c (lang_bool_type): Use existing function local type variable rather than create block local variables. * solib.c (disable_break): Enclose in ifndef SVR4_SHARED_LIBS. * infptrace.c (wait.h, command.h): Include. * ser-tcp.c (gdb_string.h): Include * i386-tdep.c (codestream_seek): Change "place" to CORE_ADDR. (i386_get_frame_setup): Change "pc" from int to CORE_ADDR. * command.c (complete_on_enum): Make assignment used as truth value explictly check against NULL. (wait.h): Include. * infrun.c (wait_for_inferior): Ifdef out prologue_pc since code that uses it is ifdef'd out. * parser-defs.h: Add prototype for write_dollar_variable. * infrun.c: Add prototype for write_pc_pid. * breakpoint.h: Add prototype for re_enable_breakpoints_in_shlibs. * symmisc.c (bcache.h): Include. * bcache.h: Add prototype for print_bcache_statistics. * symfile.c: Include <time.h>. * printcmd.c (print_scalar_formatted): Change len to unsigned int. * valarith.c (value_equal): Cast result of TYPE_LENGTH to int. * valarith.c (value_binop): Change result_len, promoted_len1, and promoted_len2 to unsigned int. * valarith.c (value_subscripted_rvalue): Change elt_offs and elt_size to unsigned int. * valops.c (value_array): Change typelength to unsigned int. (destructor_name_p): Change len to unsigned int. * scm-lang.h (scm_parse): Add prototype for scm_unpack. * symfile.c (decrement_reading_symtab): Change return type to void. * valarith.c (value_subscript): Remove unused variable "word". (value_subscript): Remove unused variable "tint". * valops.c (auto_abandon): Ifdef out, since code using it is also ifdef'd out. * eval.c (init_array_element): Remove unused variable "val". * Makefile.in (values.o): Depends on scm-lang.h. (command.o): Depends upon wait_h. (ser-tcp.o): Depends upon gdb_string.h. (infptrace.o): Depends upon wait_h and command_h. (maint.o): Depends on objfiles.h and symfile.h. * values.c (allocate_repeat_value): Remove unused variable "element_type". (scm-lang.h): Include. * breakpoint.c (create_longjmp_breakpoint): Enclose in GET_LONGJMP_TARGET define, unused otherwise. * config/i386/nm-linux.h: Add prototypes for i386_insert_watchpoint, i386_remove_watchpoint and i386_stopped_by_watchpoint.
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#include "wait.h"
#include "command.h"
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#ifdef USG
#include <sys/types.h>
#endif
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/ioctl.h>
#ifndef NO_PTRACE_H
#ifdef PTRACE_IN_WRONG_PLACE
#include <ptrace.h>
#else
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#include <sys/ptrace.h>
#endif
#endif /* NO_PTRACE_H */
#if !defined (PT_READ_I)
#define PT_READ_I 1 /* Read word from text space */
#endif
#if !defined (PT_READ_D)
#define PT_READ_D 2 /* Read word from data space */
#endif
#if !defined (PT_READ_U)
#define PT_READ_U 3 /* Read word from kernel user struct */
#endif
#if !defined (PT_WRITE_I)
#define PT_WRITE_I 4 /* Write word to text space */
#endif
#if !defined (PT_WRITE_D)
#define PT_WRITE_D 5 /* Write word to data space */
#endif
#if !defined (PT_WRITE_U)
#define PT_WRITE_U 6 /* Write word to kernel user struct */
#endif
#if !defined (PT_CONTINUE)
#define PT_CONTINUE 7 /* Continue after signal */
#endif
#if !defined (PT_STEP)
#define PT_STEP 9 /* Set flag for single stepping */
#endif
#if !defined (PT_KILL)
#define PT_KILL 8 /* Send child a SIGKILL signal */
#endif
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#ifndef PT_ATTACH
#define PT_ATTACH PTRACE_ATTACH
#endif
#ifndef PT_DETACH
#define PT_DETACH PTRACE_DETACH
#endif
#include "gdbcore.h"
#ifndef NO_SYS_FILE
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#include <sys/file.h>
#endif
#if 0
/* Don't think this is used anymore. On the sequent (not sure whether it's
dynix or ptx or both), it is included unconditionally by sys/user.h and
not protected against multiple inclusion. */
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
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#include "gdb_stat.h"
#endif
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#if !defined (FETCH_INFERIOR_REGISTERS)
#include <sys/user.h> /* Probably need to poke the user structure */
#if defined (KERNEL_U_ADDR_BSD)
#include <a.out.h> /* For struct nlist */
#endif /* KERNEL_U_ADDR_BSD. */
#endif /* !FETCH_INFERIOR_REGISTERS */
#if !defined (CHILD_XFER_MEMORY)
static void udot_info PARAMS ((char *, int));
#endif
#if !defined (FETCH_INFERIOR_REGISTERS)
static void fetch_register PARAMS ((int));
static void store_register PARAMS ((int));
#endif
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/* This function simply calls ptrace with the given arguments.
It exists so that all calls to ptrace are isolated in this
machine-dependent file. */
int
call_ptrace (request, pid, addr, data)
int request, pid;
PTRACE_ARG3_TYPE addr;
int data;
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{
return ptrace (request, pid, addr, data
#if defined (FIVE_ARG_PTRACE)
/* Deal with HPUX 8.0 braindamage. We never use the
calls which require the fifth argument. */
, 0
#endif
);
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}
#if defined (DEBUG_PTRACE) || defined (FIVE_ARG_PTRACE)
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/* For the rest of the file, use an extra level of indirection */
/* This lets us breakpoint usefully on call_ptrace. */
#define ptrace call_ptrace
#endif
void
kill_inferior ()
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{
if (inferior_pid == 0)
return;
/* This once used to call "kill" to kill the inferior just in case
the inferior was still running. As others have noted in the past
(kingdon) there shouldn't be any way to get here if the inferior
is still running -- else there's a major problem elsewere in gdb
and it needs to be fixed.
The kill call causes problems under hpux10, so it's been removed;
if this causes problems we'll deal with them as they arise. */
ptrace (PT_KILL, inferior_pid, (PTRACE_ARG3_TYPE) 0, 0);
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wait ((int *)0);
target_mourn_inferior ();
}
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
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#ifndef CHILD_RESUME
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/* Resume execution of the inferior process.
If STEP is nonzero, single-step it.
If SIGNAL is nonzero, give it that signal. */
void
child_resume (pid, step, signal)
int pid;
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int step;
enum target_signal signal;
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{
errno = 0;
if (pid == -1)
/* Resume all threads. */
/* I think this only gets used in the non-threaded case, where "resume
all threads" and "resume inferior_pid" are the same. */
pid = inferior_pid;
/* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
it was. (If GDB wanted it to start some other way, we have already
written a new PC value to the child.)
If this system does not support PT_STEP, a higher level function will
have called single_step() to transmute the step request into a
continue request (by setting breakpoints on all possible successor
instructions), so we don't have to worry about that here. */
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if (step)
{
#ifdef NO_SINGLE_STEP
abort(); /* Make sure this doesn't happen. */
#else
ptrace (PT_STEP, pid, (PTRACE_ARG3_TYPE) 1,
target_signal_to_host (signal));
#endif /* NO_SINGLE_STEP */
}
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else
ptrace (PT_CONTINUE, pid, (PTRACE_ARG3_TYPE) 1,
target_signal_to_host (signal));
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if (errno)
perror_with_name ("ptrace");
}
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
#endif /* CHILD_RESUME */
1991-03-28 17:26:26 +01:00
#ifdef ATTACH_DETACH
/* Start debugging the process whose number is PID. */
int
attach (pid)
int pid;
{
errno = 0;
ptrace (PT_ATTACH, pid, (PTRACE_ARG3_TYPE) 0, 0);
1991-03-28 17:26:26 +01:00
if (errno)
perror_with_name ("ptrace");
attach_flag = 1;
return pid;
}
/* Stop debugging the process whose number is PID
and continue it with signal number SIGNAL.
SIGNAL = 0 means just continue it. */
void
detach (signal)
int signal;
{
errno = 0;
ptrace (PT_DETACH, inferior_pid, (PTRACE_ARG3_TYPE) 1, signal);
1991-03-28 17:26:26 +01:00
if (errno)
perror_with_name ("ptrace");
attach_flag = 0;
}
#endif /* ATTACH_DETACH */
/* Default the type of the ptrace transfer to int. */
#ifndef PTRACE_XFER_TYPE
#define PTRACE_XFER_TYPE int
#endif
1991-03-28 17:26:26 +01:00
/* KERNEL_U_ADDR is the amount to subtract from u.u_ar0
to get the offset in the core file of the register values. */
#if defined (KERNEL_U_ADDR_BSD) && !defined (FETCH_INFERIOR_REGISTERS)
1991-03-28 17:26:26 +01:00
/* Get kernel_u_addr using BSD-style nlist(). */
CORE_ADDR kernel_u_addr;
#endif /* KERNEL_U_ADDR_BSD. */
1991-03-28 17:26:26 +01:00
void
_initialize_kernel_u_addr ()
{
#if defined (KERNEL_U_ADDR_BSD) && !defined (FETCH_INFERIOR_REGISTERS)
1991-03-28 17:26:26 +01:00
struct nlist names[2];
names[0].n_un.n_name = "_u";
names[1].n_un.n_name = NULL;
if (nlist ("/vmunix", names) == 0)
kernel_u_addr = names[0].n_value;
else
fatal ("Unable to get kernel u area address.");
#endif /* KERNEL_U_ADDR_BSD. */
}
#if !defined (FETCH_INFERIOR_REGISTERS)
1991-03-28 17:26:26 +01:00
#if !defined (offsetof)
#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
#endif
/* U_REGS_OFFSET is the offset of the registers within the u area. */
#if !defined (U_REGS_OFFSET)
#define U_REGS_OFFSET \
ptrace (PT_READ_U, inferior_pid, \
(PTRACE_ARG3_TYPE) (offsetof (struct user, u_ar0)), 0) \
- KERNEL_U_ADDR
1991-03-28 17:26:26 +01:00
#endif
1991-11-21 04:59:14 +01:00
/* Registers we shouldn't try to fetch. */
#if !defined (CANNOT_FETCH_REGISTER)
#define CANNOT_FETCH_REGISTER(regno) 0
#endif
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/* Fetch one register. */
1991-11-21 04:59:14 +01:00
1991-03-28 17:26:26 +01:00
static void
fetch_register (regno)
int regno;
{
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
/* This isn't really an address. But ptrace thinks of it as one. */
CORE_ADDR regaddr;
1991-11-21 04:59:14 +01:00
char mess[128]; /* For messages */
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register int i;
unsigned int offset; /* Offset of registers within the u area. */
char buf[MAX_REGISTER_RAW_SIZE];
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if (CANNOT_FETCH_REGISTER (regno))
{
memset (buf, '\0', REGISTER_RAW_SIZE (regno)); /* Supply zeroes */
1991-11-21 04:59:14 +01:00
supply_register (regno, buf);
return;
}
offset = U_REGS_OFFSET;
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regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (PTRACE_XFER_TYPE))
1991-03-28 17:26:26 +01:00
{
1991-11-21 04:59:14 +01:00
errno = 0;
*(PTRACE_XFER_TYPE *) &buf[i] = ptrace (PT_READ_U, inferior_pid,
(PTRACE_ARG3_TYPE) regaddr, 0);
regaddr += sizeof (PTRACE_XFER_TYPE);
1991-11-21 04:59:14 +01:00
if (errno != 0)
{
sprintf (mess, "reading register %s (#%d)", reg_names[regno], regno);
perror_with_name (mess);
}
1991-03-28 17:26:26 +01:00
}
supply_register (regno, buf);
}
1991-11-21 04:59:14 +01:00
/* Fetch register values from the inferior.
If REGNO is negative, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
1991-03-28 17:26:26 +01:00
void
1991-03-28 17:26:26 +01:00
fetch_inferior_registers (regno)
int regno;
{
if (regno >= 0)
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
{
fetch_register (regno);
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
}
1991-03-28 17:26:26 +01:00
else
{
for (regno = 0; regno < ARCH_NUM_REGS; regno++)
{
fetch_register (regno);
}
}
1991-03-28 17:26:26 +01:00
}
/* Registers we shouldn't try to store. */
#if !defined (CANNOT_STORE_REGISTER)
#define CANNOT_STORE_REGISTER(regno) 0
#endif
/* Store one register. */
1991-03-28 17:26:26 +01:00
static void
store_register (regno)
1991-03-28 17:26:26 +01:00
int regno;
{
* configure.in: Check for working mmap, ansi headers, string.h, strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
/* This isn't really an address. But ptrace thinks of it as one. */
CORE_ADDR regaddr;
char mess[128]; /* For messages */
register int i;
unsigned int offset; /* Offset of registers within the u area. */
if (CANNOT_STORE_REGISTER (regno))
{
return;
}
1991-03-28 17:26:26 +01:00
offset = U_REGS_OFFSET;
1991-03-28 17:26:26 +01:00
regaddr = register_addr (regno, offset);
for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof(PTRACE_XFER_TYPE))
1991-03-28 17:26:26 +01:00
{
errno = 0;
ptrace (PT_WRITE_U, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
*(PTRACE_XFER_TYPE *) &registers[REGISTER_BYTE (regno) + i]);
regaddr += sizeof (PTRACE_XFER_TYPE);
if (errno != 0)
1991-03-28 17:26:26 +01:00
{
sprintf (mess, "writing register %s (#%d)", reg_names[regno], regno);
perror_with_name (mess);
1991-03-28 17:26:26 +01:00
}
}
}
/* Store our register values back into the inferior.
If REGNO is negative, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
void
store_inferior_registers (regno)
int regno;
{
if (regno >= 0)
{
store_register (regno);
}
1991-03-28 17:26:26 +01:00
else
{
for (regno = 0; regno < ARCH_NUM_REGS; regno++)
1991-03-28 17:26:26 +01:00
{
store_register (regno);
1991-03-28 17:26:26 +01:00
}
}
}
#endif /* !defined (FETCH_INFERIOR_REGISTERS). */
#if !defined (CHILD_XFER_MEMORY)
1991-03-28 17:26:26 +01:00
/* NOTE! I tried using PTRACE_READDATA, etc., to read and write memory
in the NEW_SUN_PTRACE case.
It ought to be straightforward. But it appears that writing did
not write the data that I specified. I cannot understand where
it got the data that it actually did write. */
/* Copy LEN bytes to or from inferior's memory starting at MEMADDR
to debugger memory starting at MYADDR. Copy to inferior if
WRITE is nonzero.
Returns the length copied, which is either the LEN argument or zero.
This xfer function does not do partial moves, since child_ops
doesn't allow memory operations to cross below us in the target stack
anyway. */
int
child_xfer_memory (memaddr, myaddr, len, write, target)
1991-03-28 17:26:26 +01:00
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
struct target_ops *target; /* ignored */
1991-03-28 17:26:26 +01:00
{
register int i;
/* Round starting address down to longword boundary. */
register CORE_ADDR addr = memaddr & - sizeof (PTRACE_XFER_TYPE);
1991-03-28 17:26:26 +01:00
/* Round ending address up; get number of longwords that makes. */
register int count
= (((memaddr + len) - addr) + sizeof (PTRACE_XFER_TYPE) - 1)
/ sizeof (PTRACE_XFER_TYPE);
1991-03-28 17:26:26 +01:00
/* Allocate buffer of that many longwords. */
register PTRACE_XFER_TYPE *buffer
= (PTRACE_XFER_TYPE *) alloca (count * sizeof (PTRACE_XFER_TYPE));
1991-03-28 17:26:26 +01:00
if (write)
{
/* Fill start and end extra bytes of buffer with existing memory data. */
if (addr != memaddr || len < (int) sizeof (PTRACE_XFER_TYPE)) {
1991-03-28 17:26:26 +01:00
/* Need part of initial word -- fetch it. */
buffer[0] = ptrace (PT_READ_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
0);
1991-03-28 17:26:26 +01:00
}
if (count > 1) /* FIXME, avoid if even boundary */
{
buffer[count - 1]
= ptrace (PT_READ_I, inferior_pid,
((PTRACE_ARG3_TYPE)
(addr + (count - 1) * sizeof (PTRACE_XFER_TYPE))),
0);
1991-03-28 17:26:26 +01:00
}
/* Copy data to be written over corresponding part of buffer */
memcpy ((char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
myaddr,
len);
1991-03-28 17:26:26 +01:00
/* Write the entire buffer. */
for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
1991-03-28 17:26:26 +01:00
{
errno = 0;
ptrace (PT_WRITE_D, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i]);
1991-03-28 17:26:26 +01:00
if (errno)
{
/* Using the appropriate one (I or D) is necessary for
Gould NP1, at least. */
errno = 0;
ptrace (PT_WRITE_I, inferior_pid, (PTRACE_ARG3_TYPE) addr,
buffer[i]);
1991-03-28 17:26:26 +01:00
}
if (errno)
return 0;
}
}
else
{
/* Read all the longwords */
for (i = 0; i < count; i++, addr += sizeof (PTRACE_XFER_TYPE))
1991-03-28 17:26:26 +01:00
{
errno = 0;
buffer[i] = ptrace (PT_READ_I, inferior_pid,
(PTRACE_ARG3_TYPE) addr, 0);
1991-03-28 17:26:26 +01:00
if (errno)
return 0;
QUIT;
}
/* Copy appropriate bytes out of the buffer. */
memcpy (myaddr,
(char *) buffer + (memaddr & (sizeof (PTRACE_XFER_TYPE) - 1)),
len);
1991-03-28 17:26:26 +01:00
}
return len;
}
static void
udot_info (dummy1, dummy2)
char *dummy1;
int dummy2;
{
#if defined (KERNEL_U_SIZE)
int udot_off; /* Offset into user struct */
int udot_val; /* Value from user struct at udot_off */
char mess[128]; /* For messages */
#endif
if (!target_has_execution)
{
error ("The program is not being run.");
}
#if !defined (KERNEL_U_SIZE)
/* Adding support for this command is easy. Typically you just add a
routine, called "kernel_u_size" that returns the size of the user
struct, to the appropriate *-nat.c file and then add to the native
config file "#define KERNEL_U_SIZE kernel_u_size()" */
error ("Don't know how large ``struct user'' is in this version of gdb.");
#else
for (udot_off = 0; udot_off < KERNEL_U_SIZE; udot_off += sizeof (udot_val))
{
if ((udot_off % 24) == 0)
{
if (udot_off > 0)
{
printf_filtered ("\n");
}
printf_filtered ("%04x:", udot_off);
}
udot_val = ptrace (PT_READ_U, inferior_pid, (PTRACE_ARG3_TYPE) udot_off, 0);
if (errno != 0)
{
sprintf (mess, "\nreading user struct at offset 0x%x", udot_off);
perror_with_name (mess);
}
/* Avoid using nonportable (?) "*" in print specs */
printf_filtered (sizeof (int) == 4 ? " 0x%08x" : " 0x%16x", udot_val);
}
printf_filtered ("\n");
#endif
}
* core-aout.c (fetch_core_registers): Cast core_reg_size to int before testing against reg_ptr. * eval.c (evaluate_subexp_standard): Cast type of TYPE_FN_FIELD_VOFFSET to int. * findvar.c (extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer): Cast type of sizeof to int. * values.c (unpack_field_as_long, modify_field): Ditto. * valops.c (value_assign, call_function_by_hand): Ditto. * infcmd.c (do_registers_info): Ditto. * ser-tcp.c (tcp_open): Ditto * remote.c (putpkt): Ditto. * dcache.c (dcache_peek): Ditto. * dcache.c (dcache_poke): Ditto. * m2-exp.y (yylex): Ditto. * gnu-regex.c (re_match_2): Ditto. * f-lang.c (ADD_BF_SYMNUM, saved_bf_list_end, tmp_bf_ptr): Ifdef out unused macro definition and variables. * inftarg.c (proc_wait): Move from main.c to here, and make static. * valprint.c (val_print_string): Change bufsize from int to unsigned. * main.c (wait.h): Include * top.c (command_line_input): Remove unused variable "c". * f-typeprint.c (f_type_print_varspec_prefix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. (f_type_print_varspec_suffix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. * ch-exp.c (parse_primval): Add remaining enumeration values to switch statement, with no specific action. (ch_lex): Add LOC_UNRESOLVED in switch statement. (pushback_token): Ifdef out, since code using it is ifdef'd out. * stabsread.c (cleanup_undefined_types): Remove unused label "badtype". * objfiles.h (print_symbol_bcache_statistics): Add prototype. * maint.c (objfiles.h): Include. (maintenance_print_statistics): Remove unused variable "temp". * minsyms.c (lookup_minimal_symbol_solib_trampoline): Remove unused variable "found_file_symbol". * m2-exp.y (yylex): Add LOC_UNRESOLVED case to switch. * language.c (lang_bool_type): Use existing function local type variable rather than create block local variables. * solib.c (disable_break): Enclose in ifndef SVR4_SHARED_LIBS. * infptrace.c (wait.h, command.h): Include. * ser-tcp.c (gdb_string.h): Include * i386-tdep.c (codestream_seek): Change "place" to CORE_ADDR. (i386_get_frame_setup): Change "pc" from int to CORE_ADDR. * command.c (complete_on_enum): Make assignment used as truth value explictly check against NULL. (wait.h): Include. * infrun.c (wait_for_inferior): Ifdef out prologue_pc since code that uses it is ifdef'd out. * parser-defs.h: Add prototype for write_dollar_variable. * infrun.c: Add prototype for write_pc_pid. * breakpoint.h: Add prototype for re_enable_breakpoints_in_shlibs. * symmisc.c (bcache.h): Include. * bcache.h: Add prototype for print_bcache_statistics. * symfile.c: Include <time.h>. * printcmd.c (print_scalar_formatted): Change len to unsigned int. * valarith.c (value_equal): Cast result of TYPE_LENGTH to int. * valarith.c (value_binop): Change result_len, promoted_len1, and promoted_len2 to unsigned int. * valarith.c (value_subscripted_rvalue): Change elt_offs and elt_size to unsigned int. * valops.c (value_array): Change typelength to unsigned int. (destructor_name_p): Change len to unsigned int. * scm-lang.h (scm_parse): Add prototype for scm_unpack. * symfile.c (decrement_reading_symtab): Change return type to void. * valarith.c (value_subscript): Remove unused variable "word". (value_subscript): Remove unused variable "tint". * valops.c (auto_abandon): Ifdef out, since code using it is also ifdef'd out. * eval.c (init_array_element): Remove unused variable "val". * Makefile.in (values.o): Depends on scm-lang.h. (command.o): Depends upon wait_h. (ser-tcp.o): Depends upon gdb_string.h. (infptrace.o): Depends upon wait_h and command_h. (maint.o): Depends on objfiles.h and symfile.h. * values.c (allocate_repeat_value): Remove unused variable "element_type". (scm-lang.h): Include. * breakpoint.c (create_longjmp_breakpoint): Enclose in GET_LONGJMP_TARGET define, unused otherwise. * config/i386/nm-linux.h: Add prototypes for i386_insert_watchpoint, i386_remove_watchpoint and i386_stopped_by_watchpoint.
1996-03-30 06:45:10 +01:00
#endif /* !defined (CHILD_XFER_MEMORY). */
void
_initialize_infptrace ()
{
* core-aout.c (fetch_core_registers): Cast core_reg_size to int before testing against reg_ptr. * eval.c (evaluate_subexp_standard): Cast type of TYPE_FN_FIELD_VOFFSET to int. * findvar.c (extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer): Cast type of sizeof to int. * values.c (unpack_field_as_long, modify_field): Ditto. * valops.c (value_assign, call_function_by_hand): Ditto. * infcmd.c (do_registers_info): Ditto. * ser-tcp.c (tcp_open): Ditto * remote.c (putpkt): Ditto. * dcache.c (dcache_peek): Ditto. * dcache.c (dcache_poke): Ditto. * m2-exp.y (yylex): Ditto. * gnu-regex.c (re_match_2): Ditto. * f-lang.c (ADD_BF_SYMNUM, saved_bf_list_end, tmp_bf_ptr): Ifdef out unused macro definition and variables. * inftarg.c (proc_wait): Move from main.c to here, and make static. * valprint.c (val_print_string): Change bufsize from int to unsigned. * main.c (wait.h): Include * top.c (command_line_input): Remove unused variable "c". * f-typeprint.c (f_type_print_varspec_prefix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. (f_type_print_varspec_suffix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. * ch-exp.c (parse_primval): Add remaining enumeration values to switch statement, with no specific action. (ch_lex): Add LOC_UNRESOLVED in switch statement. (pushback_token): Ifdef out, since code using it is ifdef'd out. * stabsread.c (cleanup_undefined_types): Remove unused label "badtype". * objfiles.h (print_symbol_bcache_statistics): Add prototype. * maint.c (objfiles.h): Include. (maintenance_print_statistics): Remove unused variable "temp". * minsyms.c (lookup_minimal_symbol_solib_trampoline): Remove unused variable "found_file_symbol". * m2-exp.y (yylex): Add LOC_UNRESOLVED case to switch. * language.c (lang_bool_type): Use existing function local type variable rather than create block local variables. * solib.c (disable_break): Enclose in ifndef SVR4_SHARED_LIBS. * infptrace.c (wait.h, command.h): Include. * ser-tcp.c (gdb_string.h): Include * i386-tdep.c (codestream_seek): Change "place" to CORE_ADDR. (i386_get_frame_setup): Change "pc" from int to CORE_ADDR. * command.c (complete_on_enum): Make assignment used as truth value explictly check against NULL. (wait.h): Include. * infrun.c (wait_for_inferior): Ifdef out prologue_pc since code that uses it is ifdef'd out. * parser-defs.h: Add prototype for write_dollar_variable. * infrun.c: Add prototype for write_pc_pid. * breakpoint.h: Add prototype for re_enable_breakpoints_in_shlibs. * symmisc.c (bcache.h): Include. * bcache.h: Add prototype for print_bcache_statistics. * symfile.c: Include <time.h>. * printcmd.c (print_scalar_formatted): Change len to unsigned int. * valarith.c (value_equal): Cast result of TYPE_LENGTH to int. * valarith.c (value_binop): Change result_len, promoted_len1, and promoted_len2 to unsigned int. * valarith.c (value_subscripted_rvalue): Change elt_offs and elt_size to unsigned int. * valops.c (value_array): Change typelength to unsigned int. (destructor_name_p): Change len to unsigned int. * scm-lang.h (scm_parse): Add prototype for scm_unpack. * symfile.c (decrement_reading_symtab): Change return type to void. * valarith.c (value_subscript): Remove unused variable "word". (value_subscript): Remove unused variable "tint". * valops.c (auto_abandon): Ifdef out, since code using it is also ifdef'd out. * eval.c (init_array_element): Remove unused variable "val". * Makefile.in (values.o): Depends on scm-lang.h. (command.o): Depends upon wait_h. (ser-tcp.o): Depends upon gdb_string.h. (infptrace.o): Depends upon wait_h and command_h. (maint.o): Depends on objfiles.h and symfile.h. * values.c (allocate_repeat_value): Remove unused variable "element_type". (scm-lang.h): Include. * breakpoint.c (create_longjmp_breakpoint): Enclose in GET_LONGJMP_TARGET define, unused otherwise. * config/i386/nm-linux.h: Add prototypes for i386_insert_watchpoint, i386_remove_watchpoint and i386_stopped_by_watchpoint.
1996-03-30 06:45:10 +01:00
#if !defined (CHILD_XFER_MEMORY)
add_info ("udot", udot_info,
"Print contents of kernel ``struct user'' for current child.");
* core-aout.c (fetch_core_registers): Cast core_reg_size to int before testing against reg_ptr. * eval.c (evaluate_subexp_standard): Cast type of TYPE_FN_FIELD_VOFFSET to int. * findvar.c (extract_signed_integer, extract_unsigned_integer, extract_long_unsigned_integer): Cast type of sizeof to int. * values.c (unpack_field_as_long, modify_field): Ditto. * valops.c (value_assign, call_function_by_hand): Ditto. * infcmd.c (do_registers_info): Ditto. * ser-tcp.c (tcp_open): Ditto * remote.c (putpkt): Ditto. * dcache.c (dcache_peek): Ditto. * dcache.c (dcache_poke): Ditto. * m2-exp.y (yylex): Ditto. * gnu-regex.c (re_match_2): Ditto. * f-lang.c (ADD_BF_SYMNUM, saved_bf_list_end, tmp_bf_ptr): Ifdef out unused macro definition and variables. * inftarg.c (proc_wait): Move from main.c to here, and make static. * valprint.c (val_print_string): Change bufsize from int to unsigned. * main.c (wait.h): Include * top.c (command_line_input): Remove unused variable "c". * f-typeprint.c (f_type_print_varspec_prefix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. (f_type_print_varspec_suffix): Add missing enum value TYPE_CODE_TYPEDEF to switch statement. * ch-exp.c (parse_primval): Add remaining enumeration values to switch statement, with no specific action. (ch_lex): Add LOC_UNRESOLVED in switch statement. (pushback_token): Ifdef out, since code using it is ifdef'd out. * stabsread.c (cleanup_undefined_types): Remove unused label "badtype". * objfiles.h (print_symbol_bcache_statistics): Add prototype. * maint.c (objfiles.h): Include. (maintenance_print_statistics): Remove unused variable "temp". * minsyms.c (lookup_minimal_symbol_solib_trampoline): Remove unused variable "found_file_symbol". * m2-exp.y (yylex): Add LOC_UNRESOLVED case to switch. * language.c (lang_bool_type): Use existing function local type variable rather than create block local variables. * solib.c (disable_break): Enclose in ifndef SVR4_SHARED_LIBS. * infptrace.c (wait.h, command.h): Include. * ser-tcp.c (gdb_string.h): Include * i386-tdep.c (codestream_seek): Change "place" to CORE_ADDR. (i386_get_frame_setup): Change "pc" from int to CORE_ADDR. * command.c (complete_on_enum): Make assignment used as truth value explictly check against NULL. (wait.h): Include. * infrun.c (wait_for_inferior): Ifdef out prologue_pc since code that uses it is ifdef'd out. * parser-defs.h: Add prototype for write_dollar_variable. * infrun.c: Add prototype for write_pc_pid. * breakpoint.h: Add prototype for re_enable_breakpoints_in_shlibs. * symmisc.c (bcache.h): Include. * bcache.h: Add prototype for print_bcache_statistics. * symfile.c: Include <time.h>. * printcmd.c (print_scalar_formatted): Change len to unsigned int. * valarith.c (value_equal): Cast result of TYPE_LENGTH to int. * valarith.c (value_binop): Change result_len, promoted_len1, and promoted_len2 to unsigned int. * valarith.c (value_subscripted_rvalue): Change elt_offs and elt_size to unsigned int. * valops.c (value_array): Change typelength to unsigned int. (destructor_name_p): Change len to unsigned int. * scm-lang.h (scm_parse): Add prototype for scm_unpack. * symfile.c (decrement_reading_symtab): Change return type to void. * valarith.c (value_subscript): Remove unused variable "word". (value_subscript): Remove unused variable "tint". * valops.c (auto_abandon): Ifdef out, since code using it is also ifdef'd out. * eval.c (init_array_element): Remove unused variable "val". * Makefile.in (values.o): Depends on scm-lang.h. (command.o): Depends upon wait_h. (ser-tcp.o): Depends upon gdb_string.h. (infptrace.o): Depends upon wait_h and command_h. (maint.o): Depends on objfiles.h and symfile.h. * values.c (allocate_repeat_value): Remove unused variable "element_type". (scm-lang.h): Include. * breakpoint.c (create_longjmp_breakpoint): Enclose in GET_LONGJMP_TARGET define, unused otherwise. * config/i386/nm-linux.h: Add prototypes for i386_insert_watchpoint, i386_remove_watchpoint and i386_stopped_by_watchpoint.
1996-03-30 06:45:10 +01:00
#endif
}