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.
* config/i386/xm-fbsd.h: Removed.
* config/i386/xm-linux.h: Removed.
* config/i386/fbsd.mh: Reorganize a bit.
(XM_FILE): Set to xm-i386.h instead of xm-fbsd.h.
* config/i386/linux.mh (XM_FILE): Set to xm-i386.h insread of
xm-linux.h.
and watchpoints on x86 targets.
* i386-linux-nat.c: Doc fixes. Include "gdb_assert.h".
[HAVE_SYS_DEBUGREG_H]: Include <sys/debugreg.h>.
(DR_FIRSTADDR, DR_LASTADDR, DR_STATUS, DR_CONTROL): Define to
appropriate value if not already defined.
(register_u_addr): New function.
(kernel_u_size): New function.
(i386_linux_dr_get, i386_linux_dr_set): New functions.
(i386_linux_dr_set_control, i386_linux_dr_set_addr,
i386_linux_reset_addr, i386_linux_dr_get_status): New functions.
* config/i386/nm-linux.h: Don't include "nm-i386v.h".
(I386_USE_GENERIC_WATCHPOINTS): Define and include "nm-i386.h".
(TARGET_HAS_HARDWARE_WATCHPOINTS,
TARGET_CAN_USE_HARDWARE_WATCHPOINTS, HAVE_CONTINUABLE_WATCHPOINT,
STOPPED_BY_WATCHPOINT, target_insert_watchpoint,
target_remove_watchpoint): Remove macros.
(i386_stopped_by_watchpoint, i386_insert_watchpoint,
i386_remove_watchpoint): Remove prototypes.
(register_u_addr): New prototype.
(REGISTER_U_ADDR): Define in terms of register_u_addr.
(i386_linux_dr_set_control, i386_linux_dr_set_addr,
i386_linux_reset_addr, i386_linux_dr_get_status): New prototypes.
(I386_DR_LOW_SET_CONTROL, I386_DR_LOW_SET_ADDR,
I386_DR_LOW_RESET_ADDR, I386_DR_LOW_GET_STATUS): New macros.
* config/i386/linux.mh (NATDEPFILES): Replace i386v-nat.o with
i386-nat.o.
GET_THREAD_SIGNALS): New defines.
* config/i386/linux.mh (NATDEPFILES): Remove lin-thread.o and
linux-threads.o. Add proc-service.o, thread-db.o and lin-lwp.o.
* proc-service.c: New file.
* thread-db.c: New file.
* lin-lwp.c: New file.
* i386-linux-nat.c: Various doc fixes. Include "i387-nat.h".
(GETFPXREGS_SUPPLIES): Renamed from GETXFPREGS_SUPPLIES.
(have_ptrace_getfpxregs): Renamed from have_ptrace_getxfpregs.
(convert_to_gregset): Removed. Moved logic to ...
(fill_gregset): ... here. Simplified function.
(fetch_regs): Use perror_with_name for error reporting.
(store_regs): Add `regno' parameter. Use perror_with_name for
error reporting. Call fill_gregset instead of convert_to_gregset.
(FPREG_ADDR): Remove.
(supply_fpregset): Implement by calling i387_supply_fsave.
(convert_to_fpregset): Remove.
(fill_fpregset): Implement by calling i387_fill_fsave.
(fetch_fpregs): Use perror_with_name fro error reporting.
(store_fpregs) Add `regno' parameter. Use perror_with_name fro
error reporting. Call fill_fpregset instead of
convert_to_fpregset.
(supply_xfpregset, convert_to_xfpregset): Removed.
(supply_fpxregset, fill_fpxregset): New functions.
(fetch_fpxregs): Renamed from fetch_xfpregs. Use perror_with_name
for error reporting. Call supply_fpxregset instead of
supply_xfpregset.
(store_xfpregs): Removed.
(store_fpxregs): New function.
(fetch_inferior_registers): Adjust for xfp -> fpx change. Tweak
message in call to internal_error.
(store_inferior_registers): Adjust for xfp ->fpx change. Pass
REGNO to store_regs, store_fpregs and store_fpxregs.
(fetch_core_registers): Adjust for xfp -> fpx change.
* acconfig.h (HAVE_PTRACE_GETFPXREGS): Renamed from
HAVE_PTRACE_GETXFPREGS.
* config.in: Regenerated.
* configure.in: Replace check for PTRACE_GETXFPREGS with check for
PTRACE_GETFPXREGS. Remove comment about Cygnus SSE extensions.
* configure: Regenerated.
* config/i386/linux.mh (NATDEPFILES): Add i387-nat.o.
* config/i386/tm-linux.h: Base definition of HAVE_SSE_REGS on
HAVE_PTRACE_GETFPXREGS instead of HAVE_PTRACE_GETXFPREGS.
* gdbserver/low-linux.c: New file.
* remote.c (remote_read_bytes): Fix aborts on larger packets.
* config/i386/linux.mh (GDBSERVER_DEPFILES, GDBSERVER_LIBS):
Define.
* stabsread.c (define_symbol): If register value is too large,
tell what it is and what max is.
Daniel Jacobowitz
Andrew Cagney
Jason Thorpe
Michael Snyder
Mark Kettenis
Kevin Buettner
Jason Molenda
Stan Shebs
Fred Fish
Jim Kingdon