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When trying to use hardware breakpoints with gdbserver you get this error:
(gdb) hbreak main
Hardware assisted breakpoint 2 at 0x40162d: file gdb-9493.c, line 5.
(gdb) c
Continuing.
Warning:
Cannot insert hardware breakpoint 2.
Could not insert hardware breakpoints:
You may have requested too many hardware breakpoints/watchpoints.
It turns out the respective types just needed to be added to the
appropriate callback functions, because x86_dr_(insert|remove)_watchpoint
already handles them.
gdbserver/ChangeLog:
2020-05-15 Hannes Domani <ssbssa@yahoo.de>
* win32-i386-low.cc (i386_supports_z_point_type): Handle
Z_PACKET_HW_BP z_type.
(i386_insert_point): Handle raw_bkpt_type type.
(i386_remove_point): Likewise.
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gdbserver/ChangeLog:
2020-04-30 Hannes Domani <ssbssa@yahoo.de>
* configure.srv <x86_64-*-mingw*, x86_64-*-cygwin*> (srv_tgtobj):
Add arch/i386.o.
* win32-arm-low.cc (arm_num_regs): New function.
(struct win32_target_ops): Use arm_num_regs.
* win32-i386-low.cc (win32_get_current_dr): Adapt for WOW64
processes.
(i386_get_thread_context): Likewise.
(i386_prepare_to_resume): Likewise.
(i386_thread_added): Likewise.
(i386_single_step): Likewise.
(i386_fetch_inferior_register): Likewise.
(i386_store_inferior_register): Likewise.
(i386_arch_setup): Likewise.
(i386_win32_num_regs): New function.
(struct win32_target_ops): Use i386_win32_num_regs.
* win32-low.cc (win32_get_thread_context): Adapt for WOW64
processes.
(win32_require_context): Likewise.
(child_add_thread): Likewise.
(do_initial_child_stuff): Likewise.
(continue_one_thread): Likewise.
(win32_process_target::resume): Likewise.
(load_psapi): Likewise.
(win32_add_all_dlls): Likewise.
(maybe_adjust_pc): Likewise.
(win32_process_target::qxfer_siginfo): Likewise.
(initialize_low): Likewise.
* win32-low.h (struct win32_target_ops): Change num_regs to
callback function.
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This adds a decr_pc_after_break member to win32_target_ops and updates
the two Windows targets to set it.
Note that I can't test the win32-arm-low.c change.
gdbserver/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* win32-low.h (struct win32_target_ops) <decr_pc_after_break>: New
field.
* win32-i386-low.c (the_low_target): Update.
* win32-arm-low.c (the_low_target): Update.
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This changes win32-low.c to implement the read_pc and write_pc
methods. A subsequent patch will need these.
Note that I have no way to test, or even compile, the win32-arm-low.c
change.
gdbserver/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* win32-low.h (win32_process_target::read_pc)
(win32_process_target::write_pc): Declare.
* win32-low.c (win32_process_target::read_pc)
(win32_process_target::write_pc): New methods.
* win32-i386-low.c (i386_win32_get_pc, i386_win32_set_pc): New
functions.
(the_low_target): Update.
* win32-arm-low.c (arm_win32_get_pc, arm_win32_set_pc): New
functions.
(the_low_target): Update.
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This wraps the shared windows-nat code in a windows_nat namespace.
This helps avoid name clashes.
gdb/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* windows-nat.c: Add "using namespace".
* nat/windows-nat.h: Wrap contents in windows_nat namespace.
* nat/windows-nat.c: Wrap contents in windows_nat namespace.
gdbserver/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* win32-low.h (struct win32_target_ops): Use qualified names where
needed.
* win32-i386-low.c: Add "using namespace".
* win32-low.c: Add "using namespace".
* win32-arm-low.c: Add "using namespace".
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This changes a couple of fields of windows_thread_info to have type
"bool". It also updates the comment of another field, to clarify the
possible values it can hold.
gdb/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* windows-nat.c (thread_rec)
(windows_nat_target::fetch_registers): Update.
* nat/windows-nat.h (struct windows_thread_info) <suspended>:
Update comment.
<debug_registers_changed, reload_context>: Now bool.
gdbserver/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* win32-i386-low.c (update_debug_registers)
(i386_prepare_to_resume, i386_thread_added): Update.
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This renames win32_thread_info to windows_thread_info in gdbserver.
This renaming helps make it possible to share some code between gdb
and gdbserver.
gdbserver/ChangeLog
2020-04-08 Tom Tromey <tromey@adacore.com>
* win32-low.h (struct windows_thread_info): Rename from
win32_thread_info. Remove typedef.
(struct win32_target_ops, win32_require_context): Update.
* win32-low.c (win32_get_thread_context)
(win32_set_thread_context, win32_prepare_to_resume)
(win32_require_context, thread_rec, child_add_thread)
(delete_thread_info, continue_one_thread)
(child_fetch_inferior_registers, child_store_inferior_registers)
(win32_resume, suspend_one_thread, win32_get_tib_address):
Update.
* win32-i386-low.c (update_debug_registers)
(win32_get_current_dr, i386_get_thread_context)
(i386_prepare_to_resume, i386_thread_added, i386_single_step)
(i386_fetch_inferior_register, i386_store_inferior_register):
Update.
* win32-arm-low.c (arm_get_thread_context)
(arm_fetch_inferior_register, arm_store_inferior_register):
Update.
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For the same reasons outlined in the previous patch, this patch renames
gdbserver source files to .cc.
I have moved the "-x c++" switch to only those rules that require it.
gdbserver/ChangeLog:
* Makefile.in: Rename source files from .c to .cc.
* %.c: Rename to %.cc.
* configure.ac: Rename server.c to server.cc.
* configure: Re-generate.
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