old-cross-binutils/gdb/linux-proc.c

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2002-02-24 22:31:19 +00:00
/* GNU/Linux specific methods for using the /proc file system.
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
Copyright 2001, 2002 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
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.
This program is distributed in the hope that it will be useful,
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. */
#include "defs.h"
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
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#include "inferior.h"
#include <sys/param.h> /* for MAXPATHLEN */
#include <sys/procfs.h> /* for elf_gregset etc. */
#include <sys/stat.h> /* for struct stat */
#include <ctype.h> /* for isdigit */
#include "regcache.h" /* for registers_changed */
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
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#include "gregset.h" /* for gregset */
#include "gdbcore.h" /* for get_exec_file */
#include "gdbthread.h" /* for struct thread_info etc. */
#include "elf-bfd.h" /* for elfcore_write_* */
#include "cli/cli-decode.h" /* for add_info */
#include "gdb_string.h"
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
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/* Function: child_pid_to_exec_file
*
* Accepts an integer pid
* Returns a string representing a file that can be opened
* to get the symbols for the child process.
*/
char *
child_pid_to_exec_file (int pid)
{
char *name1, *name2;
name1 = xmalloc (MAXPATHLEN);
name2 = xmalloc (MAXPATHLEN);
make_cleanup (xfree, name1);
make_cleanup (xfree, name2);
memset (name2, 0, MAXPATHLEN);
sprintf (name1, "/proc/%d/exe", pid);
if (readlink (name1, name2, MAXPATHLEN) > 0)
return name2;
else
return name1;
}
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
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/* Function: read_mappings
*
* Service function for corefiles and info proc.
*/
static int
read_mapping (FILE *mapfile,
long long *addr,
long long *endaddr,
char *permissions,
long long *offset,
char *device,
long long *inode,
char *filename)
{
int ret = fscanf (mapfile, "%llx-%llx %s %llx %s %llx",
addr, endaddr, permissions, offset, device, inode);
if (ret > 0 && ret != EOF && *inode != 0)
{
/* Eat everything up to EOL for the filename. This will prevent
weird filenames (such as one with embedded whitespace) from
confusing this code. It also makes this code more robust
in respect to annotations the kernel may add after the
filename.
Note the filename is used for informational purposes only. */
ret += fscanf (mapfile, "%[^\n]\n", filename);
}
else
{
filename[0] = '\0'; /* no filename */
fscanf (mapfile, "\n");
}
return (ret != 0 && ret != EOF);
}
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
/* Function: linux_find_memory_regions
*
* Fills the "to_find_memory_regions" target vector.
* Lists the memory regions in the inferior for a corefile.
*/
static int
linux_find_memory_regions (int (*func) (CORE_ADDR,
unsigned long,
int, int, int,
void *),
void *obfd)
{
long long pid = PIDGET (inferior_ptid);
char mapsfilename[MAXPATHLEN];
FILE *mapsfile;
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
long long addr, endaddr, size, offset, inode;
char permissions[8], device[8], filename[MAXPATHLEN];
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
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int read, write, exec;
int ret;
/* Compose the filename for the /proc memory map, and open it. */
sprintf (mapsfilename, "/proc/%lld/maps", pid);
if ((mapsfile = fopen (mapsfilename, "r")) == NULL)
error ("Could not open %s\n", mapsfilename);
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
if (info_verbose)
fprintf_filtered (gdb_stdout,
"Reading memory regions from %s\n", mapsfilename);
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
/* Now iterate until end-of-file. */
while (read_mapping (mapsfile, &addr, &endaddr, &permissions[0],
&offset, &device[0], &inode, &filename[0]))
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
{
size = endaddr - addr;
/* Get the segment's permissions. */
read = (strchr (permissions, 'r') != 0);
write = (strchr (permissions, 'w') != 0);
exec = (strchr (permissions, 'x') != 0);
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
if (info_verbose)
{
fprintf_filtered (gdb_stdout,
"Save segment, %lld bytes at 0x%s (%c%c%c)",
size, paddr_nz (addr),
read ? 'r' : ' ',
write ? 'w' : ' ',
exec ? 'x' : ' ');
if (filename && filename[0])
fprintf_filtered (gdb_stdout,
" for %s", filename);
fprintf_filtered (gdb_stdout, "\n");
}
/* Invoke the callback function to create the corefile segment. */
func (addr, size, read, write, exec, obfd);
}
fclose (mapsfile);
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
return 0;
}
/* Function: linux_do_thread_registers
*
* Records the thread's register state for the corefile note section.
*/
static char *
linux_do_thread_registers (bfd *obfd, ptid_t ptid,
char *note_data, int *note_size)
{
gdb_gregset_t gregs;
gdb_fpregset_t fpregs;
#ifdef FILL_FPXREGSET
gdb_fpxregset_t fpxregs;
#endif
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
unsigned long merged_pid = ptid_get_tid (ptid) << 16 | ptid_get_pid (ptid);
fill_gregset (&gregs, -1);
note_data = (char *) elfcore_write_prstatus (obfd,
note_data,
note_size,
merged_pid,
stop_signal,
&gregs);
fill_fpregset (&fpregs, -1);
note_data = (char *) elfcore_write_prfpreg (obfd,
note_data,
note_size,
&fpregs,
sizeof (fpregs));
#ifdef FILL_FPXREGSET
fill_fpxregset (&fpxregs, -1);
note_data = (char *) elfcore_write_prxfpreg (obfd,
note_data,
note_size,
&fpxregs,
sizeof (fpxregs));
#endif
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
return note_data;
}
struct linux_corefile_thread_data
{
bfd *obfd;
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
char *note_data;
int *note_size;
int num_notes;
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
};
/* Function: linux_corefile_thread_callback
*
* Called by gdbthread.c once per thread.
* Records the thread's register state for the corefile note section.
*/
static int
linux_corefile_thread_callback (struct thread_info *ti, void *data)
{
struct linux_corefile_thread_data *args = data;
ptid_t saved_ptid = inferior_ptid;
inferior_ptid = ti->ptid;
registers_changed ();
target_fetch_registers (-1); /* FIXME should not be necessary;
fill_gregset should do it automatically. */
args->note_data = linux_do_thread_registers (args->obfd,
ti->ptid,
args->note_data,
args->note_size);
args->num_notes++;
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
inferior_ptid = saved_ptid;
registers_changed ();
target_fetch_registers (-1); /* FIXME should not be necessary;
fill_gregset should do it automatically. */
return 0;
}
/* Function: linux_make_note_section
*
* Fills the "to_make_corefile_note" target vector.
* Builds the note section for a corefile, and returns it
* in a malloc buffer.
*/
static char *
linux_make_note_section (bfd *obfd, int *note_size)
{
struct linux_corefile_thread_data thread_args;
struct cleanup *old_chain;
char fname[16] = {'\0'};
char psargs[80] = {'\0'};
char *note_data = NULL;
ptid_t current_ptid = inferior_ptid;
if (get_exec_file (0))
{
strncpy (fname, strrchr (get_exec_file (0), '/') + 1, sizeof (fname));
strncpy (psargs, get_exec_file (0),
sizeof (psargs));
if (get_inferior_args ())
{
strncat (psargs, " ",
sizeof (psargs) - strlen (psargs));
strncat (psargs, get_inferior_args (),
sizeof (psargs) - strlen (psargs));
}
note_data = (char *) elfcore_write_prpsinfo (obfd,
note_data,
note_size,
fname,
psargs);
}
/* Dump information for threads. */
thread_args.obfd = obfd;
thread_args.note_data = note_data;
thread_args.note_size = note_size;
thread_args.num_notes = 0;
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
iterate_over_threads (linux_corefile_thread_callback, &thread_args);
if (thread_args.num_notes == 0)
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
{
/* iterate_over_threads didn't come up with any threads;
just use inferior_ptid. */
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
note_data = linux_do_thread_registers (obfd, inferior_ptid,
note_data, note_size);
}
else
{
note_data = thread_args.note_data;
}
make_cleanup (xfree, note_data);
return note_data;
}
/*
* Function: linux_info_proc_cmd
*
* Implement the "info proc" command.
*/
static void
linux_info_proc_cmd (char *args, int from_tty)
{
long long pid = PIDGET (inferior_ptid);
FILE *procfile;
char **argv = NULL;
char buffer[MAXPATHLEN];
char fname1[MAXPATHLEN], fname2[MAXPATHLEN];
int cmdline_f = 1;
int cwd_f = 1;
int exe_f = 1;
int mappings_f = 0;
int environ_f = 0;
int status_f = 0;
int stat_f = 0;
int all = 0;
struct stat dummy;
if (args)
{
/* Break up 'args' into an argv array. */
if ((argv = buildargv (args)) == NULL)
nomem (0);
else
make_cleanup_freeargv (argv);
}
while (argv != NULL && *argv != NULL)
{
if (isdigit (argv[0][0]))
{
pid = strtoul (argv[0], NULL, 10);
}
else if (strncmp (argv[0], "mappings", strlen (argv[0])) == 0)
{
mappings_f = 1;
}
else if (strcmp (argv[0], "status") == 0)
{
status_f = 1;
}
else if (strcmp (argv[0], "stat") == 0)
{
stat_f = 1;
}
else if (strcmp (argv[0], "cmd") == 0)
{
cmdline_f = 1;
}
else if (strncmp (argv[0], "exe", strlen (argv[0])) == 0)
{
exe_f = 1;
}
else if (strcmp (argv[0], "cwd") == 0)
{
cwd_f = 1;
}
else if (strncmp (argv[0], "all", strlen (argv[0])) == 0)
{
all = 1;
}
else
{
/* [...] (future options here) */
}
argv++;
}
if (pid == 0)
error ("No current process: you must name one.");
sprintf (fname1, "/proc/%lld", pid);
if (stat (fname1, &dummy) != 0)
error ("No /proc directory: '%s'", fname1);
printf_filtered ("process %lld\n", pid);
if (cmdline_f || all)
{
sprintf (fname1, "/proc/%lld/cmdline", pid);
if ((procfile = fopen (fname1, "r")) > 0)
{
fgets (buffer, sizeof (buffer), procfile);
printf_filtered ("cmdline = '%s'\n", buffer);
fclose (procfile);
}
else
warning ("unable to open /proc file '%s'", fname1);
}
if (cwd_f || all)
{
sprintf (fname1, "/proc/%lld/cwd", pid);
memset (fname2, 0, sizeof (fname2));
if (readlink (fname1, fname2, sizeof (fname2)) > 0)
printf_filtered ("cwd = '%s'\n", fname2);
else
warning ("unable to read link '%s'", fname1);
}
if (exe_f || all)
{
sprintf (fname1, "/proc/%lld/exe", pid);
memset (fname2, 0, sizeof (fname2));
if (readlink (fname1, fname2, sizeof (fname2)) > 0)
printf_filtered ("exe = '%s'\n", fname2);
else
warning ("unable to read link '%s'", fname1);
}
if (mappings_f || all)
{
sprintf (fname1, "/proc/%lld/maps", pid);
if ((procfile = fopen (fname1, "r")) > 0)
{
long long addr, endaddr, size, offset, inode;
char permissions[8], device[8], filename[MAXPATHLEN];
char *header_fmt_string, *data_fmt_string;
if (TARGET_ADDR_BIT == 32)
{
header_fmt_string = "\t%10s %10s %10s %10s %7s\n";
data_fmt_string = "\t%#10lx %#10lx %#10x %#10x %7s\n";
}
else
{
header_fmt_string = " %18s %18s %10s %10s %7s\n";
data_fmt_string = " %#18lx %#18lx %#10x %#10x %7s\n";
}
printf_filtered ("Mapped address spaces:\n\n");
printf_filtered (header_fmt_string,
"Start Addr",
" End Addr",
" Size",
" Offset",
"objfile");
while (read_mapping (procfile, &addr, &endaddr, &permissions[0],
&offset, &device[0], &inode, &filename[0]))
{
size = endaddr - addr;
printf_filtered (data_fmt_string,
(unsigned long) addr, /* FIXME: pr_addr */
(unsigned long) endaddr,
(int) size,
(unsigned int) offset,
filename[0] ? filename : "");
}
fclose (procfile);
}
else
warning ("unable to open /proc file '%s'", fname1);
}
if (status_f || all)
{
sprintf (fname1, "/proc/%lld/status", pid);
if ((procfile = fopen (fname1, "r")) > 0)
{
while (fgets (buffer, sizeof (buffer), procfile) != NULL)
printf_filtered (buffer);
fclose (procfile);
}
else
warning ("unable to open /proc file '%s'", fname1);
}
if (stat_f || all)
{
sprintf (fname1, "/proc/%lld/stat", pid);
if ((procfile = fopen (fname1, "r")) > 0)
{
int itmp;
char ctmp;
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Process: %d\n", itmp);
if (fscanf (procfile, "%s ", &buffer[0]) > 0)
printf_filtered ("Exec file: %s\n", buffer);
if (fscanf (procfile, "%c ", &ctmp) > 0)
printf_filtered ("State: %c\n", ctmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Parent process: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Process group: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Session id: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("TTY: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("TTY owner process group: %d\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Flags: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Minor faults (no memory page): %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Minor faults, children: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Major faults (memory page faults): %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Major faults, children: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("utime: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("stime: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("utime, children: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("stime, children: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("jiffies remaining in current time slice: %d\n",
itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("'nice' value: %d\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("jiffies until next timeout: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("jiffies until next SIGALRM: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("start time (jiffies since system boot): %d\n",
itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Virtual memory size: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Resident set size: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("rlim: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Start of text: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("End of text: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Start of stack: 0x%x\n", itmp);
#if 0 /* Don't know how architecture-dependent the rest is...
Anyway the signal bitmap info is available from "status". */
if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */
printf_filtered ("Kernel stack pointer: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */
printf_filtered ("Kernel instr pointer: 0x%x\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Pending signals bitmap: 0x%x\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Blocked signals bitmap: 0x%x\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Ignored signals bitmap: 0x%x\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("Catched signals bitmap: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */
printf_filtered ("wchan (system call): 0x%x\n", itmp);
#endif
fclose (procfile);
}
else
warning ("unable to open /proc file '%s'", fname1);
}
}
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
void
_initialize_linux_proc (void)
{
extern void inftarg_set_find_memory_regions ();
extern void inftarg_set_make_corefile_notes ();
inftarg_set_find_memory_regions (linux_find_memory_regions);
inftarg_set_make_corefile_notes (linux_make_note_section);
add_info ("proc", linux_info_proc_cmd,
"Show /proc process information about any running process.\n\
Specify any process id, or use the program being debugged by default.\n\
Specify any of the following keywords for detailed info:\n\
mappings -- list of mapped memory regions.\n\
stat -- list a bunch of random process info.\n\
status -- list a different bunch of random process info.\n\
all -- list all available /proc info.");
2002-01-03 Michael Snyder <msnyder@redhat.com> Implement a "generate-core-file" command in gdb, save target state. * gcore.c: New file. Implement new command 'generate-core-file'. Save a corefile image of the current state of the inferior. * linux-proc.c: Add linux-specific code for saving corefiles. * target.h (struct target_ops): Add new target vectors for saving corefiles; to_find_memory_regions and to_make_corefile_notes. (target_find_memory_regions): New macro. (target_make_corefile_notes): New macro. * target.c (update_current_target): Inherit new target methods. (dummy_find_memory_regions): New place-holder method. (dummy_make_corefile_notes): New place-holder method. (init_dummy_target): Initialize new dummy target vectors. * exec.c (exec_set_find_memory_regions): New function. Allow the exec_ops vector for memory regions to be taken over. (exec_make_note_section): New function, target vector method. * defs.h (exec_set_find_memory_regions): Export prototype. * procfs.c (proc_find_memory_regions): New function, corefile method. (procfs_make_note_section): New function, corefile method. (init_procfs_ops): Set new target vector pointers. (find_memory_regions_callback): New function. (procfs_do_thread_registers): New function. (procfs_corefile_thread_callback): New function. * sol-thread.c (sol_find_memory_regions): New function. (sol_make_note_section): New function. (init_sol_thread_ops): Initialize new target vectors. * inftarg.c (inftarg_set_find_memory_regions): New function. Allow to_find_memory_regions vector to be taken over. (inftarg_set_make_corefile_notes): New function. Allow to_make_corefile_notes vector to be taken over. * thread-db.c (thread_db_new_objfile): Don't activate thread-db interface layer if not target_has_execution (may be a corefile). * config/i386/linux.mh: Add gcore.o to NATDEPFILES. * config/sparc/sun4sol2.mh: Ditto. * config/alpha/alpha-linux.mh: Ditto. * config/arm/linux.mh: Ditto. * config/i386/x86-64linux.mh: Ditto. * config/ia64/linux.mh: Ditto. * config/m68k/linux.mh: Ditto. * config/mips/linux.mh: Ditto. * config/powerpc/linux.mh: Ditto. * config/sparc/linux.mh: Ditto.
2002-01-09 00:37:02 +00:00
}