mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-06-02 04:27:46 +08:00
Support for Windows OS Thread Information Block.
* NEWS: Document new feature. * remote.c (PACKET_qGetTIBAddr): New enum element. (remote_get_tib_address): New function. (init_remote_ops): Set to_get_tib_address field to remote_get_tib_address. (_initialize_remote): Add add_packet_config_cmd for PACKET_qGetTIBAddr. * target.c (update_current_target): Set default value for new to_get_tib_address field. * target.h (target_ops): New field to_get_tib_address. (target_get_tib_address): New macro. * windows-nat.c (thread_info): Add thread_local_base field. (windows_add_thread): Add tlb argument of type 'void *'. (fake_create_process): Adapt windows_add_thread call. (get_windows_debug_event): Idem. (windows_get_tib_address): New function. (init_windows_ops): Set to_get_tib_address field to remote_get_tib_address. (_initialize_windows_nat): Replace info_w32_cmdlist initialization by a call to init_w32_command_list. (info_w32_command, info_w32_cmdlist): Removed from here... to windows-tdep.c file. * windows-tdep.h (info_w32_cmdlist): Declare. (init_w32_command_list): New external function declaration. * windows-tdep.c: Add several headers. (info_w32_cmdlist): to here, made global. (thread_information_32): New struct. (thread_information_64): New struct. (TIB_NAME): New char array. (MAX_TIB32, MAX_TIB64, FULL_TIB_SIZE): New constants. (maint_display_all_tib): New static variable. (windows_get_tlb_type): New function. (tlb_value_read, tlb_value_write): New functions. (tlb_value_funcs): New static struct. (tlb_make_value): New function. (display_one_tib): New function. (display_tib): New function. (show_maint_show_all_tib):New function. (info_w32_command): Moved from windows-nat.c. (init_w32_command_list): New function. (_initialize_windows_tdep): New function. New "maint set/show show-all-tib" command New "$_tlb" internal variable. gdbserver/ChangeLog entry: * server.c (handle_query): Handle 'qGetTIBAddr' query. * target.h (target_ops): New get_tib_address field. * win32-low.h (win32_thread_info): Add thread_local_base field. * win32-low.c (child_add_thread): Add tlb argument. Set thread_local_base field to TLB. (get_child_debug_event): Adapt to child_add_thread change. (win32_get_tib_address): New function. (win32_target_ops): Set get_tib_address field to win32_get_tib_address. * linux-low.c (linux_target_ops): Set get_tib_address field to NULL. doc/ChangeLog entry: gdb.texinfo ($_tlb): Document new automatic convinience variable. (info w32 thread-information-block): Document new command. (qGetTIBAddress): Document new gdbserver query. (maint set/show show-all-tib): Document new command.
This commit is contained in:
Pierre Muller
@ -1,3 +1,51 @@
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2010-04-16 Pierre Muller <muller@ics.u-strasbg.fr>
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Support for Windows OS Thread Information Block.
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* NEWS: Document new feature.
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* remote.c (PACKET_qGetTIBAddr): New enum element.
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(remote_get_tib_address): New function.
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(init_remote_ops): Set to_get_tib_address field
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to remote_get_tib_address.
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(_initialize_remote): Add add_packet_config_cmd
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for PACKET_qGetTIBAddr.
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* target.c (update_current_target): Set default value for
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new to_get_tib_address field.
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* target.h (target_ops): New field to_get_tib_address.
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(target_get_tib_address): New macro.
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* windows-nat.c (thread_info): Add thread_local_base field.
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(windows_add_thread): Add tlb argument of type 'void *'.
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(fake_create_process): Adapt windows_add_thread call.
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(get_windows_debug_event): Idem.
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(windows_get_tib_address): New function.
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(init_windows_ops): Set to_get_tib_address field
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to remote_get_tib_address.
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(_initialize_windows_nat): Replace info_w32_cmdlist
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initialization by a call to init_w32_command_list.
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(info_w32_command, info_w32_cmdlist): Removed from here...
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to windows-tdep.c file.
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* windows-tdep.h (info_w32_cmdlist): Declare.
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(init_w32_command_list): New external function
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declaration.
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* windows-tdep.c: Add several headers.
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(info_w32_cmdlist): to here, made global.
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(thread_information_32): New struct.
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(thread_information_64): New struct.
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(TIB_NAME): New char array.
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(MAX_TIB32, MAX_TIB64, FULL_TIB_SIZE): New constants.
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(maint_display_all_tib): New static variable.
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(windows_get_tlb_type): New function.
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(tlb_value_read, tlb_value_write): New functions.
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(tlb_value_funcs): New static struct.
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(tlb_make_value): New function.
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(display_one_tib): New function.
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(display_tib): New function.
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(show_maint_show_all_tib):New function.
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(info_w32_command): Moved from windows-nat.c.
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(init_w32_command_list): New function.
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(_initialize_windows_tdep): New function.
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New "maint set/show show-all-tib" command
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New "$_tlb" internal variable.
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2010-04-16 Joel Brobecker <brobecker@adacore.com>
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* tui/tui-regs.c (tui_display_register): Add comment about
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15
gdb/NEWS
15
gdb/NEWS
@ -3,6 +3,21 @@
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*** Changes since GDB 7.1
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* Windows Thread Information Block access.
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On Windows targets, GDB now supports displaying the Windows Thread
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Information Block (TIB) structure. This structure is visible either
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by using the new command `info w32 thread-information-block' or, by
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dereferencing the new convenience variable named `$_tlb', a
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thread-specific pointer to the TIB. This feature is also supported
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when remote debugging using GDBserver.
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* New remote packets
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qGetTIBAddr
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Return the address of the Windows Thread Information Block of a given thread.
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* The source command now accepts a -s option to force searching for the
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script in the source search path even if the script name specifies
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a directory.
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@ -1,3 +1,10 @@
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2010-04-16 Pierre Muller <muller@ics.u-strasbg.fr>
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gdb.texinfo ($_tlb): Document new automatic convinience variable.
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(info w32 thread-information-block): Document new command.
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(qGetTIBAddress): Document new gdbserver query.
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(maint set/show show-all-tib): Document new command.
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2010-04-15 Doug Evans <dje@google.com>
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* gdb.texinfo (Python API): Add progspaces section.
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@ -8054,6 +8054,15 @@ The variable @code{$_siginfo} contains extra signal information
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(@pxref{extra signal information}). Note that @code{$_siginfo}
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could be empty, if the application has not yet received any signals.
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For example, it will be empty before you execute the @code{run} command.
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@item $_tlb
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@vindex $_tlb@r{, convenience variable}
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The variable @code{$_tlb} is automatically set when debugging
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applications running on MS-Windows in native mode or connected to
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gdbserver that supports the @code{qGetTIBAddr} request.
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@xref{General Query Packets}.
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This variable contains the address of the thread information block.
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@end table
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On HP-UX systems, if you refer to a function or variable name that
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@ -15755,6 +15764,10 @@ are:
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@tab @code{qGetTLSAddr}
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@tab Displaying @code{__thread} variables
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@item @code{get-thread-information-block-address}
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@tab @code{qGetTIBAddr}
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@tab Display MS-Windows Thread Information Block.
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@item @code{search-memory}
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@tab @code{qSearch:memory}
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@tab @code{find}
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@ -16534,6 +16547,11 @@ a long value to give the information about this given selector.
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Without argument, this command displays information
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about the six segment registers.
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@item info w32 thread-information-block
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This command displays thread specific information stored in the
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Thread Information Block (readable on the X86 CPU family using @code{$fs}
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selector for 32-bit programs and @code{$gs} for 64-bit programs).
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@kindex info dll
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@item info dll
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This is a Cygwin-specific alias of @code{info shared}.
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@ -29449,6 +29467,14 @@ enabled, the debug registers values are shown when @value{GDBN} inserts or
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removes a hardware breakpoint or watchpoint, and when the inferior
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triggers a hardware-assisted breakpoint or watchpoint.
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@kindex maint set show-all-tib
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@kindex maint show show-all-tib
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@item maint set show-all-tib
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@itemx maint show show-all-tib
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Control whether to show all non zero areas within a 1k block starting
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at thread local base, when using the @samp{info w32 thread-information-block}
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command.
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@kindex maint space
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@cindex memory used by commands
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@item maint space
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@ -30662,6 +30688,27 @@ An error occurred. @var{nn} are hex digits.
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An empty reply indicates that @samp{qGetTLSAddr} is not supported by the stub.
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@end table
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@item qGetTIBAddr:@var{thread-id}
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@cindex get thread information block address
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@cindex @samp{qGetTIBAddr} packet
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Fetch address of the Windows OS specific Thread Information Block.
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@var{thread-id} is the thread ID associated with the thread.
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Reply:
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@table @samp
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@item @var{XX}@dots{}
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Hex encoded (big endian) bytes representing the linear address of the
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thread information block.
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@item E @var{nn}
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An error occured. This means that either the thread was not found, or the
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address could not be retrieved.
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@item
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An empty reply indicates that @samp{qGetTIBAddr} is not supported by the stub.
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@end table
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@item qL @var{startflag} @var{threadcount} @var{nextthread}
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Obtain thread information from RTOS. Where: @var{startflag} (one hex
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digit) is one to indicate the first query and zero to indicate a
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@ -1,3 +1,16 @@
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2010-04-16 Pierre Muller <muller@ics.u-strasbg.fr>
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* server.c (handle_query): Handle 'qGetTIBAddr' query.
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* target.h (target_ops): New get_tib_address field.
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* win32-low.h (win32_thread_info): Add thread_local_base field.
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* win32-low.c (child_add_thread): Add tlb argument.
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Set thread_local_base field to TLB.
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(get_child_debug_event): Adapt to child_add_thread change.
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(win32_get_tib_address): New function.
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(win32_target_ops): Set get_tib_address field to
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win32_get_tib_address.
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* linux-low.c (linux_target_ops): Set get_tib_address field to NULL.
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2010-04-12 Pedro Alves <pedro@codesourcery.com>
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* linux-low.c (linux_mourn): Also remove the process.
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@ -4334,7 +4334,8 @@ static struct target_ops linux_target_ops = {
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linux_read_pc,
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linux_write_pc,
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linux_thread_stopped,
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linux_pause_all
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linux_pause_all,
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NULL, /* get_tib_address (Windows OS specific). */
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};
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static void
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@ -1463,6 +1463,29 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
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/* Otherwise, pretend we do not understand this packet. */
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}
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/* Windows OS Thread Information Block address support. */
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if (the_target->get_tib_address != NULL
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&& strncmp ("qGetTIBAddr:", own_buf, 12) == 0)
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{
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char *annex;
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int n;
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CORE_ADDR tlb;
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ptid_t ptid = read_ptid (own_buf + 12, &annex);
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n = (*the_target->get_tib_address) (ptid, &tlb);
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if (n == 1)
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{
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sprintf (own_buf, "%llx", tlb);
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return;
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}
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else if (n == 0)
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{
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write_enn (own_buf);
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return;
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}
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return;
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}
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/* Handle "monitor" commands. */
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if (strncmp ("qRcmd,", own_buf, 6) == 0)
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{
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@ -309,6 +309,9 @@ struct target_ops
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/* Pause all threads. */
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void (*pause_all) (void);
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/* Read Thread Information Block address. */
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int (*get_tib_address) (ptid_t ptid, CORE_ADDR *address);
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};
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extern struct target_ops *the_target;
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@ -178,7 +178,7 @@ thread_rec (ptid_t ptid, int get_context)
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/* Add a thread to the thread list. */
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static win32_thread_info *
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child_add_thread (DWORD pid, DWORD tid, HANDLE h)
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child_add_thread (DWORD pid, DWORD tid, HANDLE h, void *tlb)
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{
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win32_thread_info *th;
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ptid_t ptid = ptid_build (pid, tid, 0);
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@ -189,6 +189,7 @@ child_add_thread (DWORD pid, DWORD tid, HANDLE h)
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th = xcalloc (1, sizeof (*th));
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th->tid = tid;
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th->h = h;
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th->thread_local_base = (CORE_ADDR) (uintptr_t) tlb;
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add_thread (ptid, th);
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set_inferior_regcache_data ((struct thread_info *)
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@ -1455,7 +1456,8 @@ get_child_debug_event (struct target_waitstatus *ourstatus)
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/* Record the existence of this thread. */
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child_add_thread (current_event.dwProcessId,
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current_event.dwThreadId,
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current_event.u.CreateThread.hThread);
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current_event.u.CreateThread.hThread,
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current_event.u.CreateThread.lpThreadLocalBase);
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break;
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case EXIT_THREAD_DEBUG_EVENT:
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@ -1485,7 +1487,8 @@ get_child_debug_event (struct target_waitstatus *ourstatus)
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/* Add the main thread. */
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child_add_thread (current_event.dwProcessId,
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main_thread_id,
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current_event.u.CreateProcessInfo.hThread);
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current_event.u.CreateProcessInfo.hThread,
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current_event.u.CreateProcessInfo.lpThreadLocalBase);
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ourstatus->value.related_pid = debug_event_ptid (¤t_event);
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#ifdef _WIN32_WCE
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@ -1753,6 +1756,20 @@ wince_hostio_last_error (char *buf)
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}
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#endif
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/* Write Windows OS Thread Information Block address. */
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static int
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win32_get_tib_address (ptid_t ptid, CORE_ADDR *addr)
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{
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win32_thread_info *th;
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th = thread_rec (ptid, 0);
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if (th == NULL)
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return 0;
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if (addr != NULL)
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*addr = th->thread_local_base;
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return 1;
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}
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static struct target_ops win32_target_ops = {
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win32_create_inferior,
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win32_attach,
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@ -1767,21 +1784,36 @@ static struct target_ops win32_target_ops = {
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win32_store_inferior_registers,
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win32_read_inferior_memory,
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win32_write_inferior_memory,
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NULL,
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NULL, /* lookup_symbols */
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win32_request_interrupt,
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NULL,
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NULL, /* read_auxv */
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win32_insert_point,
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win32_remove_point,
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win32_stopped_by_watchpoint,
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win32_stopped_data_address,
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NULL,
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NULL,
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NULL,
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NULL, /* read_offsets */
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NULL, /* get_tls_address */
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NULL, /* qxfer_spu */
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#ifdef _WIN32_WCE
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wince_hostio_last_error,
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#else
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hostio_last_error_from_errno,
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#endif
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NULL, /* qxfer_osdata */
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NULL, /* qxfer_siginfo */
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NULL, /* supports_non_stop */
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NULL, /* async */
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NULL, /* start_non_stop */
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NULL, /* supports_multi_process */
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NULL, /* handle_monitor_command */
|
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NULL, /* core_of_thread */
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NULL, /* process_qsupported */
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NULL, /* supports_tracepoints */
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NULL, /* read_pc */
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NULL, /* write_pc */
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NULL, /* thread_stopped */
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NULL, /* pause_all */
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win32_get_tib_address,
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};
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|
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/* Initialize the Win32 backend. */
|
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@ -28,6 +28,9 @@ typedef struct win32_thread_info
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/* The handle to the thread. */
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HANDLE h;
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|
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/* Thread Information Block address. */
|
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CORE_ADDR thread_local_base;
|
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|
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/* Non zero if SuspendThread was called on this thread. */
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int suspended;
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|
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|
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48
gdb/remote.c
48
gdb/remote.c
@ -1136,6 +1136,7 @@ enum {
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PACKET_qXfer_spu_write,
|
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PACKET_qXfer_osdata,
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PACKET_qXfer_threads,
|
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PACKET_qGetTIBAddr,
|
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PACKET_qGetTLSAddr,
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PACKET_qSupported,
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PACKET_QPassSignals,
|
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@ -8437,6 +8438,48 @@ remote_get_thread_local_address (struct target_ops *ops,
|
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return 0;
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}
|
||||
|
||||
/* Provide thread local base, i.e. Thread Information Block address.
|
||||
Returns 1 if ptid is found and thread_local_base is non zero. */
|
||||
|
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int
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remote_get_tib_address (ptid_t ptid, CORE_ADDR *addr)
|
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{
|
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if (remote_protocol_packets[PACKET_qGetTIBAddr].support != PACKET_DISABLE)
|
||||
{
|
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struct remote_state *rs = get_remote_state ();
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char *p = rs->buf;
|
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char *endp = rs->buf + get_remote_packet_size ();
|
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enum packet_result result;
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strcpy (p, "qGetTIBAddr:");
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p += strlen (p);
|
||||
p = write_ptid (p, endp, ptid);
|
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*p++ = '\0';
|
||||
|
||||
putpkt (rs->buf);
|
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getpkt (&rs->buf, &rs->buf_size, 0);
|
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result = packet_ok (rs->buf,
|
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&remote_protocol_packets[PACKET_qGetTIBAddr]);
|
||||
if (result == PACKET_OK)
|
||||
{
|
||||
ULONGEST result;
|
||||
|
||||
unpack_varlen_hex (rs->buf, &result);
|
||||
if (addr)
|
||||
*addr = (CORE_ADDR) result;
|
||||
return 1;
|
||||
}
|
||||
else if (result == PACKET_UNKNOWN)
|
||||
error (_("Remote target doesn't support qGetTIBAddr packet"));
|
||||
else
|
||||
error (_("Remote target failed to process qGetTIBAddr request"));
|
||||
}
|
||||
else
|
||||
error (_("qGetTIBAddr not supported or disabled on this target"));
|
||||
/* Not reached. */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Support for inferring a target description based on the current
|
||||
architecture and the size of a 'g' packet. While the 'g' packet
|
||||
can have any size (since optional registers can be left off the
|
||||
@ -9904,6 +9947,7 @@ Specify the serial device it is connected to\n\
|
||||
remote_ops.to_set_circular_trace_buffer = remote_set_circular_trace_buffer;
|
||||
remote_ops.to_core_of_thread = remote_core_of_thread;
|
||||
remote_ops.to_verify_memory = remote_verify_memory;
|
||||
remote_ops.to_get_tib_address = remote_get_tib_address;
|
||||
}
|
||||
|
||||
/* Set up the extended remote vector by making a copy of the standard
|
||||
@ -10323,6 +10367,10 @@ Show the maximum size of the address (in bits) in a memory packet."), NULL,
|
||||
"qGetTLSAddr", "get-thread-local-storage-address",
|
||||
0);
|
||||
|
||||
add_packet_config_cmd (&remote_protocol_packets[PACKET_qGetTIBAddr],
|
||||
"qGetTIBAddr", "get-thread-information-block-address",
|
||||
0);
|
||||
|
||||
add_packet_config_cmd (&remote_protocol_packets[PACKET_bc],
|
||||
"bc", "reverse-continue", 0);
|
||||
|
||||
|
||||
@ -660,6 +660,7 @@ update_current_target (void)
|
||||
INHERIT (to_get_raw_trace_data, t);
|
||||
INHERIT (to_set_disconnected_tracing, t);
|
||||
INHERIT (to_set_circular_trace_buffer, t);
|
||||
INHERIT (to_get_tib_address, t);
|
||||
INHERIT (to_magic, t);
|
||||
/* Do not inherit to_memory_map. */
|
||||
/* Do not inherit to_flash_erase. */
|
||||
@ -853,6 +854,9 @@ update_current_target (void)
|
||||
de_fault (to_set_circular_trace_buffer,
|
||||
(void (*) (int))
|
||||
target_ignore);
|
||||
de_fault (to_get_tib_address,
|
||||
(int (*) (ptid_t, CORE_ADDR *))
|
||||
tcomplain);
|
||||
#undef de_fault
|
||||
|
||||
/* Finally, position the target-stack beneath the squashed
|
||||
|
||||
@ -682,6 +682,10 @@ struct target_ops
|
||||
int (*to_verify_memory) (struct target_ops *, const gdb_byte *data,
|
||||
CORE_ADDR memaddr, ULONGEST size);
|
||||
|
||||
/* Return the address of the start of the Thread Information Block
|
||||
a Windows OS specific feature. */
|
||||
int (*to_get_tib_address) (ptid_t ptid, CORE_ADDR *addr);
|
||||
|
||||
int to_magic;
|
||||
/* Need sub-structure for target machine related rather than comm related?
|
||||
*/
|
||||
@ -1371,6 +1375,9 @@ extern int target_search_memory (CORE_ADDR start_addr,
|
||||
#define target_set_circular_trace_buffer(val) \
|
||||
(*current_target.to_set_circular_trace_buffer) (val)
|
||||
|
||||
#define target_get_tib_address(ptid, addr) \
|
||||
(*current_target.to_get_tib_address) ((ptid), (addr))
|
||||
|
||||
/* Command logging facility. */
|
||||
|
||||
#define target_log_command(p) \
|
||||
|
||||
@ -191,6 +191,7 @@ typedef struct thread_info_struct
|
||||
struct thread_info_struct *next;
|
||||
DWORD id;
|
||||
HANDLE h;
|
||||
CORE_ADDR thread_local_base;
|
||||
char *name;
|
||||
int suspended;
|
||||
int reload_context;
|
||||
@ -320,7 +321,7 @@ thread_rec (DWORD id, int get_context)
|
||||
|
||||
/* Add a thread to the thread list. */
|
||||
static thread_info *
|
||||
windows_add_thread (ptid_t ptid, HANDLE h)
|
||||
windows_add_thread (ptid_t ptid, HANDLE h, void *tlb)
|
||||
{
|
||||
thread_info *th;
|
||||
DWORD id;
|
||||
@ -335,6 +336,7 @@ windows_add_thread (ptid_t ptid, HANDLE h)
|
||||
th = XZALLOC (thread_info);
|
||||
th->id = id;
|
||||
th->h = h;
|
||||
th->thread_local_base = (CORE_ADDR) (uintptr_t) tlb;
|
||||
th->next = thread_head.next;
|
||||
thread_head.next = th;
|
||||
add_thread (ptid);
|
||||
@ -1074,15 +1076,6 @@ display_selectors (char * args, int from_tty)
|
||||
}
|
||||
}
|
||||
|
||||
static struct cmd_list_element *info_w32_cmdlist = NULL;
|
||||
|
||||
static void
|
||||
info_w32_command (char *args, int from_tty)
|
||||
{
|
||||
help_list (info_w32_cmdlist, "info w32 ", class_info, gdb_stdout);
|
||||
}
|
||||
|
||||
|
||||
#define DEBUG_EXCEPTION_SIMPLE(x) if (debug_exceptions) \
|
||||
printf_unfiltered ("gdb: Target exception %s at %s\n", x, \
|
||||
host_address_to_string (\
|
||||
@ -1271,9 +1264,11 @@ fake_create_process (void)
|
||||
/* We can not debug anything in that case. */
|
||||
}
|
||||
main_thread_id = current_event.dwThreadId;
|
||||
current_thread = windows_add_thread (ptid_build (current_event.dwProcessId, 0,
|
||||
current_event.dwThreadId),
|
||||
current_event.u.CreateThread.hThread);
|
||||
current_thread = windows_add_thread (
|
||||
ptid_build (current_event.dwProcessId, 0,
|
||||
current_event.dwThreadId),
|
||||
current_event.u.CreateThread.hThread,
|
||||
current_event.u.CreateThread.lpThreadLocalBase);
|
||||
return main_thread_id;
|
||||
}
|
||||
|
||||
@ -1447,7 +1442,9 @@ get_windows_debug_event (struct target_ops *ops,
|
||||
retval = current_event.dwThreadId;
|
||||
th = windows_add_thread (ptid_build (current_event.dwProcessId, 0,
|
||||
current_event.dwThreadId),
|
||||
current_event.u.CreateThread.hThread);
|
||||
current_event.u.CreateThread.hThread,
|
||||
current_event.u.CreateThread.lpThreadLocalBase);
|
||||
|
||||
break;
|
||||
|
||||
case EXIT_THREAD_DEBUG_EVENT:
|
||||
@ -1481,7 +1478,8 @@ get_windows_debug_event (struct target_ops *ops,
|
||||
/* Add the main thread */
|
||||
th = windows_add_thread (ptid_build (current_event.dwProcessId, 0,
|
||||
current_event.dwThreadId),
|
||||
current_event.u.CreateProcessInfo.hThread);
|
||||
current_event.u.CreateProcessInfo.hThread,
|
||||
current_event.u.CreateProcessInfo.lpThreadLocalBase);
|
||||
retval = current_event.dwThreadId;
|
||||
break;
|
||||
|
||||
@ -2266,6 +2264,24 @@ windows_xfer_partial (struct target_ops *ops, enum target_object object,
|
||||
}
|
||||
}
|
||||
|
||||
/* Provide thread local base, i.e. Thread Information Block address.
|
||||
Returns 1 if ptid is found and sets *ADDR to thread_local_base. */
|
||||
|
||||
static int
|
||||
windows_get_tib_address (ptid_t ptid, CORE_ADDR *addr)
|
||||
{
|
||||
thread_info *th;
|
||||
|
||||
th = thread_rec (ptid_get_tid (ptid), 0);
|
||||
if (th == NULL)
|
||||
return 0;
|
||||
|
||||
if (addr != NULL)
|
||||
*addr = th->thread_local_base;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static ptid_t
|
||||
windows_get_ada_task_ptid (long lwp, long thread)
|
||||
{
|
||||
@ -2314,6 +2330,7 @@ init_windows_ops (void)
|
||||
windows_ops.to_has_execution = default_child_has_execution;
|
||||
windows_ops.to_pid_to_exec_file = windows_pid_to_exec_file;
|
||||
windows_ops.to_get_ada_task_ptid = windows_get_ada_task_ptid;
|
||||
windows_ops.to_get_tib_address = windows_get_tib_address;
|
||||
|
||||
i386_use_watchpoints (&windows_ops);
|
||||
|
||||
@ -2415,9 +2432,7 @@ Show whether to display kernel exceptions in child process."), NULL,
|
||||
NULL, /* FIXME: i18n: */
|
||||
&setlist, &showlist);
|
||||
|
||||
add_prefix_cmd ("w32", class_info, info_w32_command,
|
||||
_("Print information specific to Win32 debugging."),
|
||||
&info_w32_cmdlist, "info w32 ", 0, &infolist);
|
||||
init_w32_command_list ();
|
||||
|
||||
add_cmd ("selector", class_info, display_selectors,
|
||||
_("Display selectors infos."),
|
||||
|
||||
@ -19,6 +19,352 @@
|
||||
#include "windows-tdep.h"
|
||||
#include "gdb_obstack.h"
|
||||
#include "xml-support.h"
|
||||
#include "gdbarch.h"
|
||||
#include "target.h"
|
||||
#include "value.h"
|
||||
#include "inferior.h"
|
||||
#include "command.h"
|
||||
#include "gdbcmd.h"
|
||||
#include "gdbthread.h"
|
||||
|
||||
struct cmd_list_element *info_w32_cmdlist;
|
||||
|
||||
typedef struct thread_information_block_32
|
||||
{
|
||||
uint32_t current_seh; /* %fs:0x0000 */
|
||||
uint32_t current_top_of_stack; /* %fs:0x0004 */
|
||||
uint32_t current_bottom_of_stack; /* %fs:0x0008 */
|
||||
uint32_t sub_system_tib; /* %fs:0x000c */
|
||||
uint32_t fiber_data; /* %fs:0x0010 */
|
||||
uint32_t arbitrary_data_slot; /* %fs:0x0014 */
|
||||
uint32_t linear_address_tib; /* %fs:0x0018 */
|
||||
uint32_t environment_pointer; /* %fs:0x001c */
|
||||
uint32_t process_id; /* %fs:0x0020 */
|
||||
uint32_t current_thread_id; /* %fs:0x0024 */
|
||||
uint32_t active_rpc_handle; /* %fs:0x0028 */
|
||||
uint32_t thread_local_storage; /* %fs:0x002c */
|
||||
uint32_t process_environment_block; /* %fs:0x0030 */
|
||||
uint32_t last_error_number; /* %fs:0x0034 */
|
||||
}
|
||||
thread_information_32;
|
||||
|
||||
typedef struct thread_information_block_64
|
||||
{
|
||||
uint64_t current_seh; /* %gs:0x0000 */
|
||||
uint64_t current_top_of_stack; /* %gs:0x0008 */
|
||||
uint64_t current_bottom_of_stack; /* %gs:0x0010 */
|
||||
uint64_t sub_system_tib; /* %gs:0x0018 */
|
||||
uint64_t fiber_data; /* %gs:0x0020 */
|
||||
uint64_t arbitrary_data_slot; /* %gs:0x0028 */
|
||||
uint64_t linear_address_tib; /* %gs:0x0030 */
|
||||
uint64_t environment_pointer; /* %gs:0x0038 */
|
||||
uint64_t process_id; /* %gs:0x0040 */
|
||||
uint64_t current_thread_id; /* %gs:0x0048 */
|
||||
uint64_t active_rpc_handle; /* %gs:0x0050 */
|
||||
uint64_t thread_local_storage; /* %gs:0x0058 */
|
||||
uint64_t process_environment_block; /* %gs:0x0060 */
|
||||
uint64_t last_error_number; /* %gs:0x0068 */
|
||||
}
|
||||
thread_information_64;
|
||||
|
||||
|
||||
static const char* TIB_NAME[] =
|
||||
{
|
||||
" current_seh ", /* %fs:0x0000 */
|
||||
" current_top_of_stack ", /* %fs:0x0004 */
|
||||
" current_bottom_of_stack ", /* %fs:0x0008 */
|
||||
" sub_system_tib ", /* %fs:0x000c */
|
||||
" fiber_data ", /* %fs:0x0010 */
|
||||
" arbitrary_data_slot ", /* %fs:0x0014 */
|
||||
" linear_address_tib ", /* %fs:0x0018 */
|
||||
" environment_pointer ", /* %fs:0x001c */
|
||||
" process_id ", /* %fs:0x0020 */
|
||||
" current_thread_id ", /* %fs:0x0024 */
|
||||
" active_rpc_handle ", /* %fs:0x0028 */
|
||||
" thread_local_storage ", /* %fs:0x002c */
|
||||
" process_environment_block ", /* %fs:0x0030 */
|
||||
" last_error_number " /* %fs:0x0034 */
|
||||
};
|
||||
|
||||
static const int MAX_TIB32 = sizeof (thread_information_32) / sizeof (uint32_t);
|
||||
static const int MAX_TIB64 = sizeof (thread_information_64) / sizeof (uint64_t);
|
||||
static const int FULL_TIB_SIZE = 0x1000;
|
||||
|
||||
static int maint_display_all_tib = 0;
|
||||
|
||||
/* Define Thread Local Base pointer type. */
|
||||
|
||||
static struct type *
|
||||
windows_get_tlb_type (struct gdbarch *gdbarch)
|
||||
{
|
||||
struct type *dword_ptr_type, *dword32_type, *void_ptr_type;
|
||||
struct type *peb_ldr_type, *peb_ldr_ptr_type;
|
||||
struct type *peb_type, *peb_ptr_type, *list_type, *list_ptr_type;
|
||||
struct type *module_list_ptr_type;
|
||||
struct type *tib_type, *seh_type, *tib_ptr_type, *seh_ptr_type;
|
||||
|
||||
dword_ptr_type = arch_integer_type (gdbarch, gdbarch_ptr_bit (gdbarch),
|
||||
1, "DWORD_PTR");
|
||||
dword32_type = arch_integer_type (gdbarch, 32,
|
||||
1, "DWORD32");
|
||||
void_ptr_type = lookup_pointer_type (builtin_type (gdbarch)->builtin_void);
|
||||
|
||||
/* list entry */
|
||||
|
||||
list_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
|
||||
TYPE_NAME (list_type) = xstrdup ("list");
|
||||
|
||||
list_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR,
|
||||
TYPE_LENGTH (void_ptr_type), NULL);
|
||||
|
||||
module_list_ptr_type = void_ptr_type;
|
||||
|
||||
append_composite_type_field (list_type, "forward_list", module_list_ptr_type);
|
||||
append_composite_type_field (list_type, "backward_list",
|
||||
module_list_ptr_type);
|
||||
|
||||
/* Structured Exception Handler */
|
||||
|
||||
seh_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
|
||||
TYPE_NAME (seh_type) = xstrdup ("seh");
|
||||
|
||||
seh_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR,
|
||||
TYPE_LENGTH (void_ptr_type), NULL);
|
||||
TYPE_TARGET_TYPE (seh_ptr_type) = seh_type;
|
||||
|
||||
append_composite_type_field (seh_type, "next_seh", seh_ptr_type);
|
||||
append_composite_type_field (seh_type, "handler", void_ptr_type);
|
||||
|
||||
/* struct _PEB_LDR_DATA */
|
||||
peb_ldr_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
|
||||
TYPE_NAME (peb_ldr_type) = xstrdup ("peb_ldr_data");
|
||||
|
||||
append_composite_type_field (peb_ldr_type, "length", dword32_type);
|
||||
append_composite_type_field (peb_ldr_type, "initialized", dword32_type);
|
||||
append_composite_type_field (peb_ldr_type, "ss_handle", void_ptr_type);
|
||||
append_composite_type_field (peb_ldr_type, "in_load_order", list_type);
|
||||
append_composite_type_field (peb_ldr_type, "in_memory_order", list_type);
|
||||
append_composite_type_field (peb_ldr_type, "in_init_order", list_type);
|
||||
append_composite_type_field (peb_ldr_type, "entry_in_progress",
|
||||
void_ptr_type);
|
||||
peb_ldr_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR,
|
||||
TYPE_LENGTH (void_ptr_type), NULL);
|
||||
TYPE_TARGET_TYPE (peb_ldr_ptr_type) = peb_ldr_type;
|
||||
|
||||
|
||||
/* struct process environment block */
|
||||
peb_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
|
||||
TYPE_NAME (peb_type) = xstrdup ("peb");
|
||||
|
||||
/* First bytes contain several flags. */
|
||||
append_composite_type_field (peb_type, "flags", dword_ptr_type);
|
||||
append_composite_type_field (peb_type, "mutant", void_ptr_type);
|
||||
append_composite_type_field (peb_type, "image_base_address", void_ptr_type);
|
||||
append_composite_type_field (peb_type, "ldr", peb_ldr_ptr_type);
|
||||
append_composite_type_field (peb_type, "process_parameters", void_ptr_type);
|
||||
append_composite_type_field (peb_type, "sub_system_data", void_ptr_type);
|
||||
append_composite_type_field (peb_type, "process_heap", void_ptr_type);
|
||||
append_composite_type_field (peb_type, "fast_peb_lock", void_ptr_type);
|
||||
peb_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR,
|
||||
TYPE_LENGTH (void_ptr_type), NULL);
|
||||
TYPE_TARGET_TYPE (peb_ptr_type) = peb_type;
|
||||
|
||||
|
||||
/* struct thread information block */
|
||||
tib_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
|
||||
TYPE_NAME (tib_type) = xstrdup ("tib");
|
||||
|
||||
/* uint32_t current_seh; %fs:0x0000 */
|
||||
append_composite_type_field (tib_type, "current_seh", seh_ptr_type);
|
||||
/* uint32_t current_top_of_stack; %fs:0x0004 */
|
||||
append_composite_type_field (tib_type, "current_top_of_stack", void_ptr_type);
|
||||
/* uint32_t current_bottom_of_stack; %fs:0x0008 */
|
||||
append_composite_type_field (tib_type, "current_bottom_of_stack",
|
||||
void_ptr_type);
|
||||
/* uint32_t sub_system_tib; %fs:0x000c */
|
||||
append_composite_type_field (tib_type, "sub_system_tib", void_ptr_type);
|
||||
|
||||
/* uint32_t fiber_data; %fs:0x0010 */
|
||||
append_composite_type_field (tib_type, "fiber_data", void_ptr_type);
|
||||
/* uint32_t arbitrary_data_slot; %fs:0x0014 */
|
||||
append_composite_type_field (tib_type, "arbitrary_data_slot", void_ptr_type);
|
||||
/* uint32_t linear_address_tib; %fs:0x0018 */
|
||||
append_composite_type_field (tib_type, "linear_address_tib", void_ptr_type);
|
||||
/* uint32_t environment_pointer; %fs:0x001c */
|
||||
append_composite_type_field (tib_type, "environment_pointer", void_ptr_type);
|
||||
/* uint32_t process_id; %fs:0x0020 */
|
||||
append_composite_type_field (tib_type, "process_id", dword_ptr_type);
|
||||
/* uint32_t current_thread_id; %fs:0x0024 */
|
||||
append_composite_type_field (tib_type, "thread_id", dword_ptr_type);
|
||||
/* uint32_t active_rpc_handle; %fs:0x0028 */
|
||||
append_composite_type_field (tib_type, "active_rpc_handle", dword_ptr_type);
|
||||
/* uint32_t thread_local_storage; %fs:0x002c */
|
||||
append_composite_type_field (tib_type, "thread_local_storage", void_ptr_type);
|
||||
/* uint32_t process_environment_block; %fs:0x0030 */
|
||||
append_composite_type_field (tib_type, "process_environment_block",
|
||||
peb_ptr_type);
|
||||
/* uint32_t last_error_number; %fs:0x0034 */
|
||||
append_composite_type_field (tib_type, "last_error_number", dword_ptr_type);
|
||||
|
||||
tib_ptr_type = arch_type (gdbarch, TYPE_CODE_PTR,
|
||||
TYPE_LENGTH (void_ptr_type), NULL);
|
||||
TYPE_TARGET_TYPE (tib_ptr_type) = tib_type;
|
||||
|
||||
return tib_ptr_type;
|
||||
}
|
||||
|
||||
/* The $_tlb convenience variable is a bit special. We don't know
|
||||
for sure the type of the value until we actually have a chance to
|
||||
fetch the data. The type can change depending on gdbarch, so it is
|
||||
also dependent on which thread you have selected. */
|
||||
|
||||
/* This function implements the lval_computed support for reading a
|
||||
$_tlb value. */
|
||||
|
||||
static void
|
||||
tlb_value_read (struct value *val)
|
||||
{
|
||||
CORE_ADDR tlb;
|
||||
struct type *type = check_typedef (value_type (val));
|
||||
|
||||
if (!target_get_tib_address (inferior_ptid, &tlb))
|
||||
error (_("Unable to read tlb"));
|
||||
store_typed_address (value_contents_raw (val), type, tlb);
|
||||
}
|
||||
|
||||
/* This function implements the lval_computed support for writing a
|
||||
$_tlb value. */
|
||||
|
||||
static void
|
||||
tlb_value_write (struct value *v, struct value *fromval)
|
||||
{
|
||||
error (_("Impossible to change the Thread Local Base"));
|
||||
}
|
||||
|
||||
static struct lval_funcs tlb_value_funcs =
|
||||
{
|
||||
tlb_value_read,
|
||||
tlb_value_write
|
||||
};
|
||||
|
||||
|
||||
/* Return a new value with the correct type for the tlb object of
|
||||
the current thread using architecture GDBARCH. Return a void value
|
||||
if there's no object available. */
|
||||
|
||||
static struct value *
|
||||
tlb_make_value (struct gdbarch *gdbarch, struct internalvar *var)
|
||||
{
|
||||
if (target_has_stack && !ptid_equal (inferior_ptid, null_ptid))
|
||||
{
|
||||
struct type *type = windows_get_tlb_type (gdbarch);
|
||||
return allocate_computed_value (type, &tlb_value_funcs, NULL);
|
||||
}
|
||||
|
||||
return allocate_value (builtin_type (gdbarch)->builtin_void);
|
||||
}
|
||||
|
||||
|
||||
/* Display thread information block of a given thread. */
|
||||
|
||||
static int
|
||||
display_one_tib (ptid_t ptid)
|
||||
{
|
||||
gdb_byte *tib = NULL;
|
||||
gdb_byte *index;
|
||||
CORE_ADDR thread_local_base;
|
||||
ULONGEST i, val, max, max_name, size, tib_size;
|
||||
ULONGEST sizeof_ptr = gdbarch_ptr_bit (target_gdbarch);
|
||||
enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
|
||||
|
||||
if (sizeof_ptr == 64)
|
||||
{
|
||||
size = sizeof (uint64_t);
|
||||
tib_size = sizeof (thread_information_64);
|
||||
max = MAX_TIB64;
|
||||
}
|
||||
else
|
||||
{
|
||||
size = sizeof (uint32_t);
|
||||
tib_size = sizeof (thread_information_32);
|
||||
max = MAX_TIB32;
|
||||
}
|
||||
|
||||
max_name = max;
|
||||
|
||||
if (maint_display_all_tib)
|
||||
{
|
||||
tib_size = FULL_TIB_SIZE;
|
||||
max = tib_size / size;
|
||||
}
|
||||
|
||||
tib = alloca (tib_size);
|
||||
|
||||
if (target_get_tib_address (ptid, &thread_local_base) == 0)
|
||||
{
|
||||
printf_filtered (_("Unable to get thread local base for %s\n"),
|
||||
target_pid_to_str (ptid));
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (target_read (¤t_target, TARGET_OBJECT_MEMORY,
|
||||
NULL, tib, thread_local_base, tib_size) != tib_size)
|
||||
{
|
||||
printf_filtered (_("Unable to read thread information block for %s at \
|
||||
address %s\n"),
|
||||
target_pid_to_str (ptid),
|
||||
paddress (target_gdbarch, thread_local_base));
|
||||
return -1;
|
||||
}
|
||||
|
||||
printf_filtered (_("Thread Information Block %s at %s\n"),
|
||||
target_pid_to_str (ptid),
|
||||
paddress (target_gdbarch, thread_local_base));
|
||||
|
||||
index = (gdb_byte *) tib;
|
||||
|
||||
/* All fields have the size of a pointer, this allows to iterate
|
||||
using the same for loop for both layouts. */
|
||||
for (i = 0; i < max; i++)
|
||||
{
|
||||
val = extract_unsigned_integer (index, size, byte_order);
|
||||
if (i < max_name)
|
||||
printf_filtered (_("%s is 0x%s\n"), TIB_NAME[i], phex (val, size));
|
||||
else if (val != 0)
|
||||
printf_filtered (_("TIB[0x%s] is 0x%s\n"), phex (i * size, 2),
|
||||
phex (val, size));
|
||||
index += size;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Display thread information block of a thread specified by ARGS.
|
||||
If ARGS is empty, display thread information block of current_thread
|
||||
if current_thread is non NULL.
|
||||
Otherwise ARGS is parsed and converted to a integer that should
|
||||
be the windows ThreadID (not the internal GDB thread ID). */
|
||||
|
||||
static void
|
||||
display_tib (char * args, int from_tty)
|
||||
{
|
||||
if (args)
|
||||
{
|
||||
struct thread_info *tp;
|
||||
int gdb_id = value_as_long (parse_and_eval (args));
|
||||
|
||||
tp = find_thread_id (gdb_id);
|
||||
|
||||
if (!tp)
|
||||
error (_("Thread ID %d not known."), gdb_id);
|
||||
|
||||
if (!target_thread_alive (tp->ptid))
|
||||
error (_("Thread ID %d has terminated."), gdb_id);
|
||||
|
||||
display_one_tib (tp->ptid);
|
||||
}
|
||||
else if (!ptid_equal (inferior_ptid, null_ptid))
|
||||
display_one_tib (inferior_ptid);
|
||||
}
|
||||
|
||||
void
|
||||
windows_xfer_shared_library (const char* so_name, CORE_ADDR load_addr,
|
||||
@ -36,3 +382,59 @@ windows_xfer_shared_library (const char* so_name, CORE_ADDR load_addr,
|
||||
obstack_grow_str (obstack, paddress (gdbarch, load_addr + 0x1000));
|
||||
obstack_grow_str (obstack, "\"/></library>");
|
||||
}
|
||||
|
||||
static void
|
||||
show_maint_show_all_tib (struct ui_file *file, int from_tty,
|
||||
struct cmd_list_element *c, const char *value)
|
||||
{
|
||||
fprintf_filtered (file, _("Show all non-zero elements of Thread Information \
|
||||
Block is %s.\n"), value);
|
||||
}
|
||||
|
||||
static void
|
||||
info_w32_command (char *args, int from_tty)
|
||||
{
|
||||
help_list (info_w32_cmdlist, "info w32 ", class_info, gdb_stdout);
|
||||
}
|
||||
|
||||
static int w32_prefix_command_valid = 0;
|
||||
void
|
||||
init_w32_command_list (void)
|
||||
{
|
||||
if (!w32_prefix_command_valid)
|
||||
{
|
||||
add_prefix_cmd ("w32", class_info, info_w32_command,
|
||||
_("Print information specific to Win32 debugging."),
|
||||
&info_w32_cmdlist, "info w32 ", 0, &infolist);
|
||||
w32_prefix_command_valid = 1;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
_initialize_windows_tdep (void)
|
||||
{
|
||||
init_w32_command_list ();
|
||||
add_cmd ("thread-information-block", class_info, display_tib,
|
||||
_("Display thread information block."),
|
||||
&info_w32_cmdlist);
|
||||
add_alias_cmd ("tib", "thread-information-block", class_info, 1,
|
||||
&info_w32_cmdlist);
|
||||
|
||||
add_setshow_boolean_cmd ("show-all-tib", class_maintenance,
|
||||
&maint_display_all_tib, _("\
|
||||
Set whether to display all non-zero fields of thread information block."), _("\
|
||||
Show whether to display all non-zero fields of thread information block."), _("\
|
||||
Use \"on\" to enable, \"off\" to disable.\n\
|
||||
If enabled, all non-zero fields of thread information block are displayed,\n\
|
||||
even if their meaning is unknown."),
|
||||
NULL,
|
||||
show_maint_show_all_tib,
|
||||
&maintenance_set_cmdlist,
|
||||
&maintenance_show_cmdlist);
|
||||
|
||||
/* Explicitly create without lookup, since that tries to create a
|
||||
value with a void typed value, and when we get here, gdbarch
|
||||
isn't initialized yet. At this point, we're quite sure there
|
||||
isn't another convenience variable of the same name. */
|
||||
create_internalvar_type_lazy ("_tlb", tlb_make_value);
|
||||
}
|
||||
|
||||
@ -21,6 +21,10 @@
|
||||
struct obstack;
|
||||
struct gdbarch;
|
||||
|
||||
extern struct cmd_list_element *info_w32_cmdlist;
|
||||
|
||||
extern void init_w32_command_list (void);
|
||||
|
||||
extern void windows_xfer_shared_library (const char* so_name,
|
||||
CORE_ADDR load_addr,
|
||||
struct gdbarch *gdbarch,
|
||||
|
||||
Reference in New Issue
Block a user