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.in: Regenerate.
* configure.in: Update copyright years.
Add test for PT_GETXMMREGS supplied by <sys/ptrace.h>.
* configure: Regenerate.
* i386bsd-nat.c: Update copyright years.
(fill_gregset): Use regcache_collect.
(fetch_inferior_registers): Only fetch integer registers
if requested to do so. Add support for XMM registers
using PT_GETXMMREGS.
(store_inferior_registers): Only store integer registers
if requested to do so. Add support for XMM registers
using PT_SETXMMREGS.
* i386nbsd-nat.c (fetch_inferior_registers): Remove.
(store_inferior_registers): Remove.
(fetch_core_registers): Use supply_gregset and i387_supply_fsave.
(fetch_elfcore_registers): New function.
(i386nbsd_elfcore_fns): New.
(_initialize_i386nbsd_nat): Register i386nbsd_elfcore_fns.
* config/i386/nbsd.mh (NATDEPFILES): Add i387-nat.o and
i386bsd-nat.o.
* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
* config/i386/nbsd.mt (TDEPFILES): Add i386bsd-nat.o.
* config/i386/nbsdelf.mt (TDEPFILES): Likewise.
* config/i386/tm-nbsd.h: Update copyright years.
(HAVE_SSE_REGS): Define.
(IN_SIGTRAMP): Define as i386bsd_in_sigtramp.
(SIGTRAMP_START): Redefine as i386bsd_sigtramp_start.
(SIGTRAMP_END): Redefine as i386bsd_sigtramp_end.
(SIGCONTEXT_PC_OFFSET): Remove.
(FRAME_SAVED_PC): Define as i386bsd_frame_saved_pc.
FCTRL_REGNUM, FPC_REGNUM, FSTAT_REGNUM, FTAG_REGNUM, FCS_REGNUM,
FCOFF_REGNUM, FDS_REGNUM, FDOFF_REGNUM, FOP_REGNUM,
LAST_FPU_CTRL_REGNUM, XMM0_REGNUM, XMM7_REGNUM, MXCSR_REGNUM,
IS_FP_REGNUM, IS_SSE_REGNUM): Removed.
(FP0_REGNUM): Define conditionally depending on HAVE_I387_REGS.
(SIZEOF_FPU_CTRL_REGS): Hardcode value.
* i386-tdep.h (struct gdbarch_tdep): Change such that it contains
a single member `num_xmm_regs'.
(FPC_REGNUM): New macro.
(FIRST_FPU_REGNUM, LAST_FPU_REGNUM, FISRT_XMM_REGNUM,
LAST_XMM_REGNUM, MXCSR_REGNUM, FIRST_FPU_CTRL_REGNUM,
LAST_FPU_CTRL_REGNUM): Removed.
(FCTRL_REGNUM, FSTAT_REGNUM, FTAG_REGNUM, FOP_REGNUM, XMM0_REGNUM,
MXCSR_REGNUM): Define unconditionally. Change macros to match the
comment describing the register layout.
(FISEG_REGNUM, FIOFF_REGNUM, FOSEG_REGNUM, FOOFF_REGNUM): New macros.
(FP_REGNUM_P, FPC_REGNUM_P, SSE_REGNUM_P): New macros.
(IS_FP_REGNUM, IS_FPU_CTRL_REGNUM, IS_SSE_REGNUM): Make obsolete,
unconditionally define in terms of FP_REGNUM_P, FPC_REGNUM_P and
SSE_REGNUM_P).
(FCS_REGNUM, FCOFF_REGNUM, FDS_REGNUM, FDOFF_REGNUM): Make
obsolete, unconditionally define in terms of FISEG_REGNUM,
FIOFF_REGNUM, FOSEG_REGNUM, FOOFF_REGNUM.
* i386-tdep.c (i386_gdbarch_init): Initialize `num_xmm_regs'
member of `struct gdbarch_tdep'.
* x86-64-tdep.c (i386_gdbarch_init): Change initialization of
`struct gdbarch_tdep'.
* i387-nat.c (FCS_REGNUM, FCOFF_REGNUM, FDS_REGNUM, FDOFF_REGNUM):
Replace with FISEG_REGNUM, FIOFF_REGNUM, FOSEG_REGNUM and
FOOFF_REGNUM. Use FPC_REGNUM instead of FIRST_FPU_CTRL_REGNUM.
Use XMM0_REGNUM instead of LAST_FPU_CTRL_REGNUM.
* ppc-linux-nat.c (ppc_ptrace_cannot_fetch_store_register):
New function.
(fetch_register): New function.
(fetch_ppc_registers): New function.
(fetch_inferior_registers): New function.
(store_register): New function.
(store_ppc_registers): New function.
(store_inferior_registers): New function.
(ppc_register_u_addr): Eliminate ustart parameter and its
uses. Make static.
(PT_READ_U, PT_WRITE_U, PTRACE_XFER_TYPE): Define if needed.
Include sys/ptrace.h.
* config/powerpc/nm-linux.h (FETCH_INFERIOR_REGISTERS): Define.
(U_REGS_OFFSET, REGISTER_U_ADDR): Delete.
* config/powerpc/linux.mh (NATDEPFILES): Delete core-aout.o.
From Richard Earnshaw <rearnsha@arm.com>:
* arm-tdep.c (arm_software_single_step): New function. Implements
software single-stepping for ARM targets.
(arm_get_next_pc, thumb_get_next_pc, bitcount, shifted_reg_val): Only
needed for software single-stepping.
* config/arm/tm-arm.h: Activate SOFTWARE_SINGLE_STEP_P.
From Richard Earnshaw <rearnsha@arm.com>:
* config/arm/nbsd.mh, config/arm/nbsd.mt, config/arm/tm-nbsd.h,
config/arm/nm-nbsd.h, config/arm/xm-nbsd.h: New files.
* armbsd-nat.c: New file.
* Makefile.in: Build it.
* configure.host, configure.tgt: Support NetBSD/arm.
HAVE_CONTEXT_EXTENDED_REGISTERS is defined.
* win32-nat.c: Define CONTEXT_DEBUGGER_DR that will also include extended
registers if HAVE_SSE_REGS is defined.
(mappings array): Add offset of extended registers.
(thread_rec): Use new CONTEXT_DEBUGGER_DR macro.
and sparc-linux-nat.c to ALLDEPFILES. Add dependencies.
* config/sparc/linux.mh: Add sparc-linux-nat.o to NATDEPFILES.
* sparc-linux-nat.c: New file, from Mark Kettenis.
several lines with backslashes; the `sed' command in
configure.in's AC_OUTPUT clause that comments out the NATDEPFILES
assignment doesn't handle lines extended with backslashes.
* i386-linux-tdep.c: Include "inferior.h".
(i386_linux_register_name, i386_linux_register_byte,
i386_linux_register_raw_size): New functions.
(i386_linux_write_pc): New function.
* config/i386/tm-linux.h (I386_LINUX_ORIG_EAX_REGNUM): New define.
(NUM_REGS, MAX_NUM_REGS, REGISTER_BYTES, REGISTER_NAME,
REGISTER_BYTE, REGISTER_RAW_SIZE): Define to deal with additional
register.
(i386_linux_register_name, i386_linux_register_byte,
i386_linux_register_raw_size): New prototypes.
(TARGET_WRITE_PC): New define.
(i386_linux_write_pc): New prototype.
i386_register_byte. Made static.
(i386_register_size): Renamed from i386_register_raw_size. Made
static.
(i386_register_virtual_size): Removed.
(i386_register_byte, i386_register_raw_size,
i386_register_virtual_size): New functions.
(_initialize_i386_tdep): Initialize i386_register_offset instead
of i386_register_byte. Remove code to initialize
i386_register_virtual_size.
* config/i386/tm-i386.h (REGISTER_BYTE): Redefine to use
i386_register_byte function.
(REGISTER_RAW_SIZE): Redefine to use i386_register_raw_size
function.
(REGISTER_VIRTUAL_SIZE): Redefine to use
i386_register_virtual_size function.
(i386_register_byte, i386_register_raw_size,
i386_register_virtual_size): New functions.
(REGISTER_NAME): New define.
(i386_register_name): New prototype.
* i386-tdep.c (i386_register_names): New variable.
(i386_register_name): New function.
* config/i386/tm-i386os9k.h, config/i386/tm-ptx.h,
config/i386/tm-symmetry.h: Undefine REGISTER_NAME instead of
REGISTER_NAMES.
(EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE, FRAME_CHAIN,
FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC, FRAME_NUM_ARGS):
Remove macros. The versions from "tm-i386.h" should work fine
(and in most cases even better).
* lin-lwp.c (struct lwp_info): Add new member `cloned'.
(is_cloned) Removed.
(lin_lwp_attach_lwp): Don't call stop_wait_callback. Instead call
waitpid explicitly. Mark the LWP as cloned if waitpid fails and
retry with __WCLONE flag.
(lin_lwp_attach): Likewise. Warn if attaching to a cloned process.
(detach_callback): Replace use of is_cloned with explicit check on
LWP id and process id.
(stop_wait_callback): Replace use of is_cloned with check if LWP
is marked as cloned.
[CHILD_WAIT] (child_wait): New function.
(lin_lwp_wait): Replace use of is_cloned with check if LWP is
marked as cloned. Mark newly detected LWPs as cloned if detected
by waitpid with __WCLONE flag.
(kill_wait_callback): Replace use of is_cloned with check if LWP
is marked as cloned.
* config/i386/nm-linux.h (struct target_waitstatus): Add forward
declaration.
(child_wait): Add prototype.
(CHILD_WAIT): Define.
errors in "long long" handling for 'finish' and 'return' commands.
* win32-nat.c (safe_symbol_file_add_stub): Avoid adding a shared library if it
has already been loaded.
(safe_symbol_file_add_cleanup): Don't mess with stderr or we won't see any
error messages.
(safe_symbol_file_add): Ditto.
(solib_symbols_add): Make static. Accept 'from_tty' parameter. Pass it to
safe_symbol_file_add.
(core_dll_symbols_add): Accomodate extra solib_symbols_add parameter.
(child_solib_add): Ditto.
* win32-nat.c (handle_exception): Don't print "first chance" exceptions.
(get_child_debug_event): Continue from exceptions if !handle_exception.
gratuitious whitespace changes.
[!HAVE_SIGPROCMASK]: Call sigsetmask if HAVE_SIGSETMASK is defined.
* top.c: Remove redundant logic to define HAVE_SIGSETMASK.
(sigsetmask) Don't define macro.
(stop_sig) [HAVE_SIGPROCMASK]: Add bit of code snatched from
async_stop_sig from event-top.c.
[!HAVE_SIGPROCMASK]: Call sigsetmask if HAVE_SIGSETMASK is
defined.
* configure.in (AC_CHECK_FUNCS): Put functions in alphabetical
order. Add sigsetmask.
(AC_FUNC_VFORK, AC_FUNC_ALLOCA): Reorder such that they're in
alphabetical order.
* config/xm-aix4.h, config/alpha/xm-alphalinux.h,
config/i386/xm-cygwin.h, config/rs6000/xm-rs6000.h
(HAVE_SIGSETMASK): Remove.
* aclocal.m4, config.in, configure
* 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.
(AC_FUNC_SETPGRP): Add.
* aclocal.m4, configure, config.in: Regenerated.
* inflow.c (gdb_setpgid): Get rid of NEED_POSIX_SETPGID and
SETPGRP_ARGS. Always use setpgid if it is available, fall back on
setpgrp if it isn't. Use SETPGRP_VOID (defined by autoconf) to
distinguish between the two setpgrp flavours.
* config/xm-sysv4.h, config/arm/xm-linux.h,
config/i386/xm-i386aix.h, config/i386/xm-sco.h,
config/i386/xm-linux.h, config/i386/xm-ptx.h,
config/m68k/xm-linux.h, config/powerpc/xm-linux.h,
config/sparc/xm-linux.h, config/sparc/xm-sun4sol2.h,
config/ia64/xm-linux.h (NEED_POSIX_SETPGID): Remove.
* config/rs6000/xm-rs6000.h (SETPGRP_ARGS): Remove.
<sys/sysctl.h>.
(store_inferior_registers): Wrap long line.
(i386bsd_dr_get_status): Fix typo in comment.
(_initialize_i386bsd_nat): New function. * i386bsd-tdep.c: New
file. * config/i386/tm-fbsd.h (IN_SIGTRAMP): New define.
(i386bsd_in_sigtramp): New prototype.
(SIGTRAMP_START, SIGTRAMP_END): Redefine in terms...
(i386bsd_sigtramp_start, i386bsd_sigtramp_end): ...these new
(external) variables.
(SIGCONTEXT_PC_OFFSET): Removed.
(FRAME_SAVED_PC): New define.
(i386bsd_frame_saved_pc): New function. * config/i386/fbsd.mt
(TDEPFILES): Add i386bsd-tdep.o.
config/m68k/xm-linux.h, config/powerpc/xm-linux.h,
config/sparc/xm-linux.h, config/ia64/xm-linux.h (HAVE_TERMIOS):
Removed. Taken care of by autoconf and terminal.h.
* config/sh/tm-sh.h (struct gdbarch_tdep): Add
FLOAT_ARGLAST_REGNUM, RETURN_REGNUM, ARG0_REGNUM, ARGLAST_REGNUM,
PR_REGNUM fields.
* sh-tdep.c (sh_skip_prologue_hard_way): Rename from
skip_prologue_hard_way().
(skip_prologue_hard_way): Make it a function pointer.
(sh_print_register): Use function pointer do_pseudo_register,
instead of sh_do_pseudo_register.
(sh_do_registers_info): Ditto.
(sh_gdbarch_init): Initialize do_pseudo_register.
(IS_MOV_TO_R14): Rename from IS_MOV_R14.
(skip_prologue_hard_way): Update.
(sh_gdbarch_init): Move setting of frame_chain,
get_saved_register, init_extra_frame_info, push_arguments,
extract_return_value, pop_frame, store_struct_return,
extract_struct_value_address, use_struct_convention,
init_extra_frame_info to before target specific settings.
(sh_gdbarch_init): Initialize new tdep fields
FLOAT_ARGLAST_REGNUM, RETURN_REGNUM, ARG0_REGNUM, ARGLAST_REGNUM,
PR_REGNUM.
(sh_push_arguments): Use new gdbarch_tdep fields
{ARG0,ARGLAST}_REGNUM.
(sh_saved_pc_after_call, sh_nofp_frame_init_saved_regs,
sh_init_extra_frame_info, sh_push_return_address,
sh_generic_show_regs, sh3_show_regs, sh3e_show_regs,
sh3_dsp_show_regs, sh4_show_regs, sh_dsp_show_regs): Update to use
gdbarch_tdep->PR_REGNUM.
(dr_reg_base_num, fv_reg_base_num): Move to earlier in the file.
reasonable defaults for REALTIME_LO and REALTIME_HI if they're not
already defined.
* config/nm-linux.h: Include <signal.h>.
[__SIGRTMIN] (REALTIME_LO, REALTIME_HI): Define to __SIGRTMIN and
(__SIGRTMAX + 1) respectively.
* config/mips/irix6.mh: New file.
* config/mips/irix6.mt: New file.
* config/mips/xm-irix6.h: New file.
* config/mips/nm-irix6.h: New file.
* mips-tdep.c (mips_gdbarch_init) <MIPS_ABI_N32>: Set up the
disassembler info in tm_print_insn_info as appropriate for the N32
ABI. Force N32 ABI to be the default if the CPU is R8000 or
R10000.
* configure.tgt (mips*-sgi-irix6*): Map to irix6.
* configure.host (mips*-sgi-irix6*): Ditto.
* config/djgpp/fnchange.lst: Add two new files in the
gdb/testsuite/gdb.c++/ directory to the remapped names.
* config/djgpp/djconfig.sh (lt_cv_sys_max_cmd_len): Set to 12KB.
(i386_register_convertible): New function.
* config/i386/tm-i386.h (REGISTER_VIRTUAL_TYPE): Redefine in terms
of i386_register_virtual_type.
(REGISTER_CONVERTIBLE): Redefine in terms of
i386_register_convertible.
(i386_register_virtual_type, i386_register_convertible): New
prototypes.
saves in general.
* config/mn10300/tm-mn10300.h (D0_REGNUM, A0_REGNUM, MDRQ_REGNUM,
MCRH_REGNUM, MCRL_REGNUM, MCVF_REGNUM): New definitions.
(enum movm_register_bits): New enum.
* mn10300-tdep.c (set_movm_offsets): Use symbolic names for the
bits, not hex literals. Handle the `other', `exreg0', and
`exother' bits. Correct handling of `exreg1': it saves r4, r5,
r6, and r7, not r2, r3, r4, and r5.
(saved_regs_size): New function.
(mn10300_frame_chain, mn10300_frame_saved_pc): Use it, instead
of computing the same thing inline, incorrectly.
stuff out into mn10300_pop_frame_regular, and use
generic_pop_current_frame. This lets us share code, and also
makes this function's prototype match that expected by gdbarch.
Make this function static.
(mn10300_pop_frame_regular): New function.
(mn10300_gdbarch_init): Register mn10300_pop_frame as the
gdbarch's pop_frame method.
* config/mn10300/tm-mn10300.h (POP_FRAME): Delete definition.
(mn10300_pop_frame): Delete declaration.
than the tm-*.h file.
* config/mn10300/tm-mn10300.h (MAX_REGISTER_VIRTUAL_SIZE,
REGISTER_BYTES, FP_REGNUM, BREAKPOINT_FROM_PC,
FUNCTION_START_OFFSET, DECR_PC_AFTER_BREAK, INNER_THAN,
SAVED_PC_AFTER_CALL, INIT_EXTRA_FRAME_INFO, FRAME_INIT_SAVED_REGS,
FRAME_CHAIN, FRAME_CHAIN_VALID, FRAME_SAVED_PC,
EXTRACT_RETURN_VALUE, EXTRACT_STRUCT_VALUE_ADDRESS,
STORE_RETURN_VALUE, STORE_STRUCT_RETURN, SKIP_PROLOGUE,
FRAME_ARGS_SKIP, FRAME_ARGS_ADDRESS, FRAME_LOCALS_ADDRESS,
FRAME_NUM_ARGS, POP_FRAME, USE_GENERIC_DUMMY_FRAMES, CALL_DUMMY,
CALL_DUMMY_START_OFFSET, CALL_DUMMY_BREAKPOINT_OFFSET,
CALL_DUMMY_LOCATION, FIX_CALL_DUMMY, CALL_DUMMY_ADDRESS,
TARGET_READ_FP, PUSH_RETURN_ADDRESS, PUSH_DUMMY_FRAME,
SAVE_DUMMY_FRAME_TOS, PUSH_ARGUMENTS, PC_IN_CALL_DUMMY,
REG_STRUCT_HAS_ADDR, USE_STRUCT_CONVENTION, GET_SAVED_REGISTER):
Delete definitions. We register gdbarch methods for these now.
(struct frame_info, struct type, struct value): Delete forward
declarations of these types; they're no longer necessary, since we
don't have function declarations here any more.
* mn10300-tdep.c: #include "arch-utils.h", to get declarations for
some default gdbarch methods.
(mn10300_store_struct_return): Return void, as expected by
gdbarch.
(mn10300_init_extra_frame_info): Take initial `fromleaf' argument,
as expected by gdbarch.
(mn10300_frame_init_saved_regs): Provide dummy definition for
this, as required by gdbarch.
(mn10300_gdbarch_init): Add mn10300_call_dummy_words, as expected
by gdbarch. Register gdbarch methods or values for all the stuff
removed from tm-10300.h, listed above.
(rs6000_in_solib_return_trampoline): Declare.
* rs6000-tdep.c (rs6000_in_solib_return_trampoline): New
function.
(rs6000_skip_trampoline_code): Skip bigtoc fixup code.
* xcoffread.c (read_xcoff_symtab): Perform the ISFCN function
check after the CSECT check rather than before it. Allocate
separate symtabs for CSECTs whose names begin with '@'.
(scan_xcoff_symtab): Don't ignore symbols beginning with '@'.
Activate the misc_func_recorded mechanism for whose names begin
with '@'.
* config/i386/tm-i386.h (FRAMELESS_FUNCTION_INVOCATION): Redefine
in terms of i386_frameless_function_invocation. Adjust comment.
(i386_frameless_function_invocation): New prototype.
Andrew Cagney
Richard Earnshaw
Michael Snyder
Jason Thorpe
Mark Kettenis
Tom Rix
Orjan Friberg
Elena Zannoni
Jeff Law
Fernando Nasser
Ben Harris
Kevin Buettner
Corinna Vinschen
Jim Blandy
Keith Walker
Christopher Faylor
Eli Zaretskii
Daniel Jacobowitz
Fred Fish
Jiri Smid
Nicholas Duffek