sigtramp_end to i386bsd_sigtramp_start and i386bsd_sigtramp_end.
* i386nbsd-tdep.c (i386nbsd_init_abi): Set sigtramp_start and
sigtramp_end to NULL.
* config/i386/tm-fbsd.h (SIGTRAMP_START, SIGTRAMP_END): Remove
defines.
(i386bsd_sigtramp_start, i386_sigtramp_end): Remove prototypes.
(i[3456]86-*-netbsd*): ...this. Set gdb_target to nbsd.
(i[3456]86-*-openbsd*): Make this a separate entry. Add a
comment noting that this needs its own target configuration.
* config/i386/nbsd.mt: New file.
* config/i386/nbsdaout.mt: Remove.
* config/i386/nbsdelf.mt: Ditto.
* config/i386/tm-nbsdaout.h: Ditto.
$(i386_tdep_h), and nbsd-tdep.h to dependency list.
* i386-tdep.h (i386bsd_init_abi): New prototype.
* i386bsd-tdep.c (i386bsd_init_abi): Remove "static" from
function declaration.
(_initialize_i386bsd_tdep): Don't register OS ABI handlers
for NetBSD-a.out or NetBSD-ELF.
(i386nbsd_sigtramp_start, i386nbsd_sigtramp_end)
(i386nbsd_sc_pc_offset, i386nbsd_sc_sp_offset)
(i386nbsd_init_abi, i386nbsdelf_init_abi): Move to...
* i386nbsd-tdep.c: ...here. Include arch-utils.h, i386-tdep.h,
and nbsd-tdep.h.
(i386nbsd_pc_in_sigtramp): New function.
(i386nbsd_init_abi): Set gdbarch_pc_in_sigtramp to
i386nbsd_pc_in_sigtramp.
(_initialize_i386nbsd_tdep): Register i386nbsd_init_abi
and i386nbsdelf_init_abi OS ABI handlers.
* config/i386/nbsdaout.mt (TDEPFILES): Add nbsd-tdep.o.
* config/i386/nbsdelf.mt (TDEPFILES): Likewise.
(i386_svr4_init_abi): Set in_solib_call_trampoline and
skip_trampoline_code.
* config/i386/tm-i386v4.h: Don't include "config/tm-sysv4.h".
(CPLUS_MARKER): Define to '.'.
(TM_FILE): Set to tm-i386.h.
* config/i386/i386v.mt (TM_FILE): Set to tm-i386.h.
* config/i386/tm-i386v.h: Remove file.
* config/i386/tm-ptx.h [!SEQUENT_PTX4]: Include "i386/tm-i386.h"
instead of "i386/tm-i386v.h".
(START_INFERIOR_TRAPS_EXPECTED): Remove define.
* config/i386/tm-symmetry: Include "i386/tm-i386.h" instead of
"i386/tm-i386v.h".
(START_INFERIOR_TRAPS_EXPECTED): Remove define.
* config/i386/tm-vxworks.h: Include "i386/tm-i386.h" instead of
"i386/tm-i386.h".
multiple-inclusion.
(i386_register_u_addr): Remove prototype.
(register_u_addr): New prototype.
(REGISTER_U_ADDR): Redefine accordingly.
* i386v-nat.c: Improve several comments.
(i386_register_u_addr): Change signature and rename to
register_u_addr. Use FP_REGNUM_P. Rewrite slightly to get rid of
ubase variable.
* config/i386/nm-i386gnu.h: New file.
(THREAD_STATE_FLAVOR, THREAD_STATE_SIZE,
THREAD_STATE_SET_TRACED, THREAD_STATE_CLEAR_STATE, ATTACH_DETACH):
Moved here from ...
* config/i386/tm-i386gnu.h: ... here. Removed.
* config/i386/xm-i386gnu.h: Removed.
* config/i386/i386gnu.mh (XM_FILE): Set to xm-i386.h.
(NAT_FILE): Set to nm-i386gnu.h.
* config/i386/i386gnu.mt (TDEPFILES): Add i386gnu-tdep.o.
* i386-tdep.c: New file.
* Makefile.in (ALLDEPFILES): Add i386gnu-nat.c and i386gnu-tdep.c.
(i386gnu-tdep.o): Specify dependencies.
"i386/tm-i386.h", "i386/tm-i386v.h" and "config/tm-sysv.h".
Adjust a few comments to reflect reality a bit closer.
(KERNEL_U_SIZE, TARGET_HAS_HARDWARE_WATCHPOINTS,
TARGET_CAN_USE_HARDWARE_WATCHPOINT, HAVE_CONTINUEABLE_WATCHPOINT,
HAVE_STEPPABLE_WATCHPOINT, STOPPED_BY_WATCHPOINT,
target_insert_watchpoint, target_remove_watchpoint):
Move defines to ...
* config/i386/nm-i386sco5.h: ... here.
(kernel_u_size): Add prototype. Improve a few comments and add
protection against multiple inclusion.
* i387-tdep.c (print_i387_value, print_i387_ext,
print_i387_status_word, print_i387_control_word): Add `struct
ui_file *' argument and use it for output.
(i387_print_float_info): Renamed from i387_float_info. Add
`struct gdbarch *' and `struct ui_file *' arguments and use the
latter for output.
* i386-tdep.c: Include "i387-tdep.h".
(i386_gdbarch_init): Set print_float_info.
* config/i386/tm-i386.h (i387_float_info): Remove prototype.
(FLOAT_INFO): Remove define.
New variables.
(i386nbsd_init_abi): Use these to initialize tdep->sigtramp_start
and tdep->sigtramp_end.
* i386obsd-nat.c: New file.
* config/i386/obsd.mh (NATDEPFILES): Add i386obsd-nat.o.
* i386-nat.c (child_post_startup_inferior): New function
calling i386_cleanup_dregs if
I386_USE_GENERIC_WATCHPOINTS is defined.
* config/i386/nm-i386.h: define CHILD_POST_STARTUP_INFERIOR
conditional to acknowledge that i386-nat.c has its
own child_post_startup_inferior function.
(IN_SOLIB_CALL_TRAMPOLINE): Remove define.
* config/i386/tm-nbsdaout.h (IN_SOLIB_CALL_TRAMPOLINE): Remove
define.
* i386bsd-tdep.c: Include "arch-utils.h".
(i386bsd_aout_in_solib_call_trampoline): New function.
(i386bsd_init_abi): Set in_solib_call_trampoline to
i386bsd_aout_in_solib_call_trampoline.
(i386nbsdelf_init_abi, i386fbsd_init_abi): Set
in_solib_call_trampoline to generic_in_solib_call_trampoline.
(i386lynx_saved_pc_after_call): Remove prototype.
* i386ly-tdep.c: Include "i386-tdep.h".
(i386lynx_saved_pc_after_call): Make static. Use
read_memory_nobpt instead of read_memory. Use
read_memory_unsigned_integer instead of read_memory_integer.
(i386lynx_init_abi): New function.
(i386lynx_coff_osabi_sniffer): New function.
(_initialize_i386bsd_tdep): New function.
BREAKPOINT, DECR_PC_AFTER_BREAK): Removed.
* i386-tdep.c (i386_skip_prologue): Adjust function signature to
fit into multi-arch framework.
(i386_breakpoint_from_pc): New function.
(i386_gdbarch_init): Adjust for removal of the macros mentioned
above.
* i386-tdep.c (i386_register_offset, i386_register_size): Use
I386_SSE_NUM_REGS instead of MAX_NUM_REGS for the number of
elements in these arrays.
(_initialize_i386_tdep): Use I386_SSE_NUM_REGS instead of
MAX_NUM_REGS.
* config/i386/tm-linux.h: Define FILL_FPXREGSET.
* gregset.h: If FILL_FPXREGSET is defined, provide
gdb_fpxregset_t, supply_fpxregset, and fill_fpxregset.
* linux-proc.c (linux_do_thread_registers): If FILL_FPXREGSET
is defined, call fill_fpxregset.
(PTRACE_XFER_TYPE): Moved to config/i386/nm-x86-64.h.
(kernel_u_size): Added.
* config/i386/nm-x86-64.h (CHILD_XFER_MEMORY, CHILD_RESUME): Delete.
(PTRACE_XFER_TYPE): Moved here from config/i386/nm-x86-64.h.
Add support for hardware watchpoints on win32 native.
* win32-nat.c (CONTEXT_DEBUG_DR macro): Add use of
CONTEXT_DEBUG_REGISTERS.
(dr variable): New variable. Static array containing a local copy
of debug registers.
(debug_registers_changed): New variable. Reflects when debug registers
are changed and need to be written to inferior.
(debug_registers_used): New variable. Reflects when any debug register
was set, used when new threads are created.
(cygwin_set_dr, cygwin_set_dr7, cygwin_get_dr6): New functions used by
i386-nat code.
(thread_rec): Set dr array if id is the thread of current_event .
(child_continue, child_resume): Change the debug registers for all
threads if debug_registers_changed.
(child_add_thread): Change the debug registers if debug_registers_used.
* config/i386/cygwin.mh: Add use of i386-nat.o file.
Link nm.h to new nm-cygwin.h file.
+ config/i386/nm-cygwin.h: New file. Contains the macros used for use
of hardware registers.
* config/i386/i386v42mp.mh: Add i387-nat.o .
* i386v4-nat.c: Include i387-nat.h.
(supply_fpregset): Use i387_supply_fsave.
(fill_fpregset): Use i387_fill_fsave.
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.
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.
* 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.
(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.
* config/i386/tm-i386.h (FRAMELESS_FUNCTION_INVOCATION): Redefine
in terms of i386_frameless_function_invocation. Adjust comment.
(i386_frameless_function_invocation): New prototype.
* config/i386/tm-i386.h (EXTRACT_STRUCT_VALUE_ADDRESS): Redefine
in terms of i386_extract_struct_value_address.
(i386_extract_struct_value_address): New prototype.
value to `unsigned long'. Change type of `value' to `unsigned
long'.
(i386_linux_dr_set): Change type of second argument to `unsigned
long'.
(i386_linux_dr_set_control): Change type of first argument to
`unsigned long'.
(i386_linux_dr_get_status): Change type of return value to
unsigned long.
* config/i386/nm-linux.h (i386_linux_dr_set_control,
i386_linux_dr_get_status): Adjust prototypes accordingly.
config/i386/nm-linux.h (including comment).
(i386_linux_frame_chain): New function implementing guts of the
former FRAME_CHAIN macro, but using read_memory_unsigned_integer
instead of read_memory_integer.
(i386_linux_frame_saved_pc): Removed doc pointing to
i386/tm-linux.h for an explanation of FRAMELESS_SIGNAL since that
now lives in this file.
* config/i386/tm-linux.h (FRAMELESS_SIGNAL): Moved to
i386-linux-tdep.c (including comment).
(FRAME_CHAIN): Redefined in terms of i386_linux_frame_chain.
(i386_linux_frame_chain): New prototype.
i386_linux_sigtramp_saved_sp): Make static.
(i386_linux_frame_saved_pc): New function based on the old
FRAME_SAVED_PC macro, but use read_memory_unsigned_integer instead
of read_memory_integer.
* config/i386/tm-linux.h (sigtramp_saved_pc): Remove definition.
(i386_linux_sigtramp_saved_pc): Remove prototype.
(FRAME_SAVED_PC): Redefine in terms of i386_linux_frame_saved_pc.
(i386_linux_frame_saved_pc): New prototype.
functions.
* config/i386/tm-i386.h (PUSH_ARGUMENTS): New macro.
(STORE_STRUCT_RETURN): Redefine in terms of
i386_store_struct_return.
(i386_push_arguments, i386_store_struct_return): New prototypes.
* config/i386/tm-i386v.h (STORE_STRUCT_RETURN): Remove. It's
definition was identical to the definition in "i386/tm-i386.h" so
the new definition should suffice too.
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.
(fetch_register): New function, uses some of the guts of
go32_fetch_registers and i387_supply_register.
(go32_fetch_registers): Most of the code moved into
fetch_register. Use i387_supply_fsave.
(store_register): Use i387_fill_fsave instead of custom code.
(go32_store_registers): Use i387_fill_fsave.
* Makefile.in (go32-nat.o): Depend on i387-nat.h.
* config/i386/go32.mh (NATDEPFILES): Add i387-nat.o.
* config/ns32k/tm-umax.h (FRAME_FIND_SAVED_REGS): Restore. It
appears to have been inadvertantly removed sometime in May 1999.
* Revert 2000-11-09 changes where shared library objects were
moved from NATDEPFILES to TDEPFILES on NetBSD targets. While
we'd like to be able to debug dynamically linked executables,
this makes it impossible to build a cross debugger on a many
hosts.
* config/i386/nbsd.mt: Remove solib.o, solib-svr4.o from TDEPFILES.
* config/i386/nbsdelf.mt: Likewise.
* config/m68k/nbsd.mt: Likewise.
* config/ns32k/nbsd.mt: Likewise.
* config/powerpc/nbsd.mt: Likewise.
* config/sparc/nbsd.mt: Likewise.
* config/sparc/nbsdelf.mt: Likewise.
* config/i386/nbsd.mh: Add solib.o, solib-svr4.o to NATDEPFILES.
* config/i386/nbsdelf.mh: Likewise.
* config/m68k/nbsd.mh: Likewise.
* config/ns32k/nbsd.mh: Likewise.
* config/powerpc/nbsd.mh: Likewise.
* config/sparc/nbsd.mh: Likewise.
(i386_extract_return_value): Return directly after issuing the
warning and filling *VALBUF with zeroes if we cannot get at the
floating-point registers.
(i386_store_return_value): New function.
* config/i386/tm-i386.h (STORE_RETURN_VALUE): Simply call
i386_store_return_value.
Add prototype for i386_store_return_value.
* config/sh/tm-linux.h: New file. Include generic tm-linux.h,
plus tm-sh.h, then define SVR4_FETCH_LINK_MAP_OFFSETS to use
the sh target function instead of the default link map offsets.
* config/sh/sh.mt: Add solib.o and solib-svr4.o to TDEPFILES.
Use sh/tm-linux.h instead of sh/tm-sh.h.
* sh-tdep.c (sh_linux_svr4_fetch_link_map_offsets):
New function. Construct target-specific link map offsets.
* i386-linux-tdep.c (i386_linux_svr4_fetch_link_map_offsets:
New function. Construct target-specific link map offsets.
* config/i386/tm-linux.h: Use above function instead of default.
2000-10-30 Michael Snyder <msnyder@cleaver.cygnus.com>
* config/i386/tm-linux.h: Remove definition of SVR4_SHARED_LIBS,
and inclusion of solib.h. Move up into ../tm-linux.h.
config/tm-linux.h: Define SVR4_SHARED_LIBS, include solib.h.
OLD_CANNOT_FETCH_REGISTER): New definitions for accessible registers
when accessing the registers via the U area.
(fetch_register, store_register): Use them.
(cannot_fetch_register, cannot_store_register): New functions,
all registers should be accessible if we have GETREGS support.
* config/i386/nm-linux.h: Use cannot_fetch/store_register for
CANNOT_FETCH/STORE_REGISTER definitions.
* i386nbsd-nat.c (i386nbsd_use_struct_convention): Moved from here.
* i386nbsd-tdep.c (i386nbsd_use_struct_convention): To here.
* i386nbsd-tdep.c: New file.
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.
argument if it is missing an extension.
* corelow.c: Define O_BINARY if it isn't defined.
(core_open): Open core file in binary mode.
* config/i386/tm-cygwin.h (child_clear_solibs): Rename from child_clear_solib.
* config/i386/cygwin.mh: Add dependency from corelow.o.
* win32-nat.c (register_loaded_dll): New function. Add dll to the list of
currently loaded dlls.
(handle_load_dll): Use register_loaded_dll.
(child_solib_add): Distinguish between active process and core targets.
(solib_symbols_add): Load symbols from loaded dll.
(core_dll_symbols_add): New function. Load symbols from dll referenced in
core.
(core_section_load_dll_symbols): New function.
(dll_code_sections_add): New function.
(map_single_dll_code_section): New function.
(fetch_elf_core_registers): New function.
(_initialize_core_win32): New function.
* 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.
(safe_symbol_file_add_cleanup): Reset stdout to saved stdout, not stderr.
(dll_symbol_command): Pass OBJF_USERLOADED to safe_symbol_file_add.
(get_child_debug_event): Always reset last_sig. Always reset inferior pid
appropriately.
(do_initial_child_stuff): New function. Called when attaching or starting a
new inferior process.
(child_attach): Use do_initial_child_stuff.
(child_create_inferior): Ditto.
* config/i386/cygwin.mh (NAT_FILE): Set to modern location.
* config/i386/tm-cygwin.h: Define ATTACH_NO_WAIT.
* config/i386/tm-i386.h: treat PC and FP as unsigned.
(SAVED_PC_AFTER_CALL): Use read_memory_unsigned_integer.
(FRAME_SAVED_PC): Ditto.
(FRAME_CHAIN): Ditto.
(FIX_CALL_DUMMY): Redefined to call i386_fix_call_dummy.
(i386_fix_call_dummy): Add prototype.
* i386-tdep.c (i386_fix_call_dummy): New function based on the
code from the old FIX_CALL_DUMMY macro.
* config/i386/tm-embed.h: New file. Specific for embedded targets
like i386-elf, i386-coff and i386-aout.
* config/i386/embed.mt (): Specify tm-embed.h instead of the System V
header file.
before deleting and restoring it.
(safe_symbol_file_add): Ensure that gdb_stderr is flushed before reassigning
it.
(handle_load_dll): Split into two functions so that WFI can handle shared
library events.
(child_solib_loaded_library_pathname): New function.
(child_clear_solibs): New function. Clears shared library list.
(child_solib_add): New function. Adds shared library symbols.
(dll_symbol_command): New function. Handles "dll-symbol" command.
(info_dll_command): New function. Handles info "sharedlibrary" command.
(handle_exceptions): Eliminate 'ignore_trap' argument.
(get_child_debug_event): Eliminate two arguments. Return "pid" when
appropriate. Break out on most events to allow WFI to handle stuff.
(child_wait): Accomodate get_child_debug_event changes.
(child_attach): Clear thread list and list of loaded dlls.
(child_create_inferior): Clear list of loaded dlls. Use wait_for_inferior in a
loop to look for first "trap".
(child_resume): Avoid accessing a possibly-freed thread pointer.
(_initialize_inftarg): Add "dll-symbols", "sharedlibrary", and "info
dll", and "info sharedlibrary" commands.
* config/i386/tm-cygwin.h: Add some shared library (aka DLL) hooks.
* config/i386/nbsdelf.mt: New file.
* config/i386/tm-nbsdelf.h: New file.
* config/i386/tm-nbsd.h: change include of tm-nbsd.h to
the more explicit config/tm-nbsd.h.
and i[3456]86-*-netbsdelf*.
* config/i386/nm-nbsdelf.h: New file.
* config/i386/nbsdelf.mh: New file.
* config/i386/nm-nbsd.h: change include of nm-nbsd.h to
the more explicit config/nm-nbsd.h.
* config/i386/tm-nbsd.h: change include of tm-i386bsd.h to
tm-i386.h.
(SIGTRAMP_START, SIGTRAMP_END, SIGCONTEXT_PC_OFFSET): Define.
-------------------------------------------------------------------
* gdbarch.sh (IEEE_FLOAT): New entry.
* gdbarch.c, gdbarch.h: Regenerated.
* valprint.c (IEEE_FLOAT): Provide a default #definition for this.
(print_floating): Use IEEE_FLOAT as if it were an expression; use
the code specific to IEEE-format numbers whenever the value of
IEEE_FLOAT is non-zero.
* config/a29k/tm-a29k.h, config/alpha/tm-alpha.h,
config/arc/tm-arc.h, config/arm/tm-arm.h, config/fr30/tm-fr30.h,
config/h8300/tm-h8300.h, config/i386/tm-i386.h,
config/i960/tm-i960.h, config/m88k/tm-m88k.h,
config/mips/tm-mips.h, config/pa/tm-hppa.h,
config/sparc/tm-sparc.h, config/delta/tm-delta.h,
config/frv/tm-frv.h (IEEE_FLOAT): For all ports that #define
IEEE_FLOAT, make sure they give it the value (1).
* config/i386/tm-i386sol2.h (HAVE_I387_REGS): Define.
* i386v4-nat.c (supply_fpregset, fill_fpregset): Add code
to handle floating point registers if NUM_FREGS is not zero.
Change to rely on PIDGET etc.
* config/i386/nm-i386sol2.h (TARGET_HAS_WATCHPOINTS,
TARGET_CAN_USE_HARDWARE_WATCHPOINT, HAVE_CONTINUABLE_WATCHPOINT,
STOPPED_BY_WATCHPOINT, target_[insert/remove]_watchpoint):
define. Allow target to use procfs hardware watchpoints.
* config/sparc/nm-sun4sol2.h: ditto.
* config/i386/tm-i386sol2.h (PIDGET, TIDGET, MERGEPID): modify
definitions to use 16 bits for the pid, 15 bits for the tid, and
1 bit for the flag.
* config/sparc/tm-sun4sol2.h: ditto.
(SOFTWARE_SINGLE_STEP, SOFTWARE_SINGLE_STEP_P): undefine.
* testsuite/gdb.threads/pthreads.exp (all_threads_running): Allow
for more than 15 thread increments.
* config/i386/tm-go32.h (TARGET_LONG_DOUBLE_BIT): Remove
definition (and use the common one in tm-i386.h).
(REGISTER_CONVERT_TO_VIRTUAL, REGISTER_CONVERT_TO_RAW): Likewise.
(I386_DJGPP_TARGET): Don't define, it's no longer required.
(LOW_RETURN_REGNUM, HIGH_RETURN_REGNUM): Remove definition,
i386-tdep.c defines it for all x86 targets.
(LD_I387, HEX_LONG_DOUBLE_INPUT): Remove.
* config/djgpp/fnchange.lst: Add i386-linux-tdep.c.
* config/djgpp/djcheck.sh: Edit the copyright year out of the test
results. Fix editing of `main' arguments for non-GNU Sed.
* config/i386/tm-i386aix.h (I386_AIX_TARGET): Remove.
* config/i386/tm-linux.h (LOW_RETURN_REGNUM, HIGH_RETURN_REGNUM):
Remove
* i386-tdep.c (LOW_RETURN_REGNUM, HIGH_RETURN_REGNUM): New defines.
(i386_extract_return_value): Rewritten. Correctly support all
floating-point types and large integer types on targets that use
the standard i386 GDB register layout and return floating-point
values in the FPU.
(LINUX_SIGTRAMP_INSN0, LINUX_SIGTRAMP_OFFSET0,
LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1,
LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2, linux_sigtramp_code,
LINUX_SIGTRAMP_LEN, i386_linux_sigtramp_start,
LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1,
linux_rt_sigtramp_code, LINUX_RT_SIGTRAMP_LEN,
i386_linux_rt_sigtramp_start, i386_linux_in_sigtramp,
i386_linux_sigcontext_addr, LINUX_SIGCONTEXT_PC_OFFSET,
i386_linux_sigtramp_saved_pc, LINUX_SIGCONTEXT_SP_OFFSET,
i386_linux_sigtramp_saved_sp): Deleted. Folks rightly pointed
out that these are target-dependent, and useful in non-native
configurations. Moved to...
* i386-linux-tdep.c: ... Here, a new file.
* Makefile.in (ALLDEPFILES): Add i386-linux-tdep.c.
(i386-linux-tdep.o): New rule.
(i386-linux-nat.o): We no longer depend on frame.h.
* config/i386/linux.mt (TDEPFILES): Add i386-linux-tdep.o.
* event-loop.c (top-level) [NO_FD_SET]: Deprecate this branch.
Print an error at compile time if we are to use select, but FD_SET
is not available.
(SELECT_MASK, NBBY, FD_SETSIZE, NFDBITS, MASK_SIZE): Define only
if HAVE_POLL is not defined and NO_FD_SET *is* defined.
(create_file_handler) [!HAVE_POLL]: Use FD_SET and FD_CLR.
(delete_file_handler) [!HAVE_POLL]: Use FD_CLR and FD_ISSET.
(gdb_wait_for_event) [!HAVE_POLL]: Copy fd_set sets directly
instead of using memcpy and memset. Use FD_ISSET.
* config/i386/xm-go32.h (fd_mask): Remove typedef.
LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1,
LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2, linux_sigtramp_code,
LINUX_SIGTRAMP_LEN, i386_linux_sigtramp_start,
LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1,
linux_rt_sigtramp_code, LINUX_RT_SIGTRAMP_LEN,
i386_linux_rt_sigtramp_start, i386_linux_in_sigtramp,
i386_linux_sigcontext_addr, LINUX_SIGCONTEXT_PC_OFFSET,
i386_linux_sigtramp_saved_pc, LINUX_SIGCONTEXT_SP_OFFSET,
i386_linux_sigtramp_saved_sp): Deleted. These all implement
Linux-specific signal trampoline detection, and should be moved to...
* i386-linux-nat.c: ... here.
* config/i386/tm-linux.h (I386_LINUX_SIGTRAMP): No need to define
this any more, since we're not enabling OS-specific code in a
OS-independent file.
Allow GDB to run on Linux 2.0 again.
* config.in: Add HAVE_PTRACE_GETREGS.
* configure.in: Check if <sys/ptrace.h> defines PTRACE_GETREGS.
* configure: Regenerated.
* config/i386/nm-linux.h (CANNOT_FETCH_REGISTER,
CANNOT_STORE_REGISTER): New defines.
* i386-linux-nat.c (have_ptrace_getregs): New variable.
(PTRACE_XFER_TYPE, CANNOT_FETCH_REGISTER, fetch_register,
old_fetch_inferior_registers, CANNOT_STORE_REGISTER,
store_register, old_store_inferior_registers): Copied over from
`inptrace.c' as a temporary measure.
(fetch_regs, store_regs, fetch_fpregs, store_fpregs):
Conditionalize on HAVE_PTRACE_GETREGS. Define stubs if
HAVE_PTRACE_GETREGS isn't defined.
(fetch_regs): Reset `have_ptrace_getregs' if ptrace call fails
with EIO.
(fetch_inferior_registers, store_inferior_registers): Fall back on
the method use in `infptrace.c' (by calling
old_fetch_inferior_registers and old_store_inferior_registers) if
`have_ptrace_getregs' isn't set.
Fix support for Linux/i386 signal trampolines. The old approach
didn't work for Linux 2.2 and beyond, and didn't work with recent
versions of the GNU C library.
* i386-tdep.c (LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1): New defines.
(linux_rt_sigtramp_code): New variable.
(LINUX_RT_SIGTRAMP_LEN): New define.
(i386_linux_rt_sigtramp_start): New function. Detect start of
signal trampolines for RT signals.
(i386_linux_sigtramp): Removed.
(i386_linux_in_sigtramp): New function.
(i386_linux_sigcontext_addr): New function. Recognize the names
of the signal tranmpolines used by recent versions of the GNU C
library, and add support for RT signals.
(LINUX_SIGCONTEXT_PC_OFFSET, LINUX_SIGCONTEXT_SP_OFFSET): New
defines. Moved here from config/i386/tm-linux.h.
(i386_linux_sigtramp_saved_pc, i386_linux_sigtramp_saved_sp):
Reimplement in terms of i386_linux_sigcontext_addr.
* config/i386/tm-linux.h (LINUX_SIGCONTEXT_SIZE): Removed.
(LINUX_SIGCONTEXT_PC_OFFSET, LINUX_SIGCONTEXT_SP_OFFSET):
Moved to i386-tdep.c.
(IN_SIGTRAMP): Redefine to call i386_linux_in_sigtramp.
