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.
(arm_registers_names): Make static.
* config/arm/tm-arm.h (arm_register_names): Delete declaration.
(arm_register_name): Declare.
(REGISTER_NAME): Use it.
and Kevin Buettner <kevinb@redhat.com>
Convert arm targets to new FRAME interface.
* arm-tdep.c (struct frame_extra_info): Remove fsr.
(arm_frame_find_save_regs): Delete.
(arm_frame_init_saved_regs): New.
(arm_init_extra_frame_info): Alloacte saved_regs as required.
Allocate extra_info as required. Convert all uses of fsr.regs
to use saved_regs, similarly all uses of EXTRA_FRAME_INFO fields
to use extra_info.
(thumb_scan_prologue, arm_scan_prologue, arm_find_callers_reg)
(arm_frame_chain, arm_frame_saved_pc, arm_pop_frame): Likewise.
(check_prologue_cache, save_prologue_cache): Likewise.
(_initialize_arm_tdep): Ensure prologue_cache is correctly set up.
* config/arm/tm-arm.h (EXTRA_FRAME_INFO): Delete.
(FRAME_FIND_SAVED_REGS): Delete.
(arm_frame_find_saved_regs): Delete prototype.
(arm_frame_init_saved_regs): New prototype.
(FRAME_INIT_SAVED_REGS): Define.
(alpha_register_raw_size): Ditto.
(alpha_register_virtual_size): Ditto.
(alpha_skip_prologue_internal): Renamed from
alpha_skip_prologue.
(alpha_skip_prologue): New version that calls
alpha_skip_prologue_internal.
(alpha_in_lenient_prologue): Use alpha_skip_prologue_internal.
* config/alpha/tm-alpha.h (SKIP_PROLOGUE): Remove
second argument from alpha_skip_prologue.
(REGISTER_BYTE): Use alpha_register_byte.
(REGISTER_RAW_SIZE): Use alpha_register_raw_size.
(REGISTER_VIRTUAL_SIZE): Use alpha_register_virtual_size.
(FRAMELESS_FUNCTION_INVOCATION): Use
generic_frameless_function_invocation_not.
(FRAME_NUM_ARGS): Use frame_num_args_unknown.
(COERCE_FLOAT_TO_DOUBLE): Use standard_coerce_float_to_double.
(alpha_init_frame_pc_first): Ditto.
(alpha_fix_call_dummy): Ditto.
(alpha_store_struct_return): Ditto.
(alpha_extract_struct_value_address): Ditto.
* config/alpha/tm-alpha.h (REGISTER_VIRTUAL_TYPE): Use
alpha_register_virtual_type.
(STORE_STRUCT_RETURN): Use alpha_store_struct_return.
(EXTRACT_STRUCT_VALUE_ADDRESS): Use
alpha_extract_struct_value_address.
(FIX_CALL_DUMMY): Use alpha_fix_call_dummy.
(INIT_FRAME_PC): Use init_frame_pc_noop.
(INIT_FRAME_PC_FIRST): Use alpha_init_frame_pc_first.
(alpha_find_saved_regs): Make static. Use
frame->extra_info.
(alpha_frame_init_saved_regs): New function.
(alpha_frame_saved_pc): Use frame->extra_info.
(temp_saved_regs): Don't declare as struct frame_saved_regs.
(heuristic_proc_desc): Adjust for temp_saved_regs changes.
(init_extra_frame_info): Rename to...
(alpha_init_extra_frame_info): ...this. Use frame->extra_info.
(alpha_print_extra_frame_info): New function.
(alpha_frame_locals_address): Ditto.
(alpha_frame_args_address): Ditto.
(alpha_pop_frame): Use frame->extra_info.
* config/alpha/tm-alpha.h (FRAME_ARGS_ADDRESS): Use
alpha_frame_args_address.
(FRAME_LOCALS_ADDRESS): Use alpha_frame_locals_address.
(alpha_find_saved_regs): Remove prototype.
(FRAME_INIT_SAVED_REGS): Use alpha_frame_init_saved_regs.
(EXTRA_FRAME_INFO): Remove.
(INIT_EXTRA_FRAME_INFO): Use alpha_init_extra_frame_info.
(PRINT_EXTRA_FRAME_INFO): Use alpha_print_extra_frame_info.
(alpha_cannot_fetch_register): Ditto.
(alpha_cannot_store_register): Ditto.
(alpha_register_convertible): Ditto.
(alpha_use_struct_convention): Ditto.
* config/alpha/tm-alpha.h: Update copyright years.
(IN_SIGTRAMP): Use alpha_osf_in_sigtramp.
(INNER_THAN): Use core_addr_lessthan.
(CANNOT_FETCH_REGISTER): Use alpha_cannot_fetch_register.
(CANNOT_STORE_REGISTER): Use alpha_cannot_store_register.
(REGISTER_CONVERTIBLE): Use alpha_register_convertible.
(USE_STRUCT_CONVENTION): Use alpha_use_struct_convention.
(FRAME_CHAIN): Remove unnecessary cast.
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).
