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gdbserver: turn target op 'supports_z_point_type' into a method 

gdbserver/ChangeLog:
2020-02-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn process_stratum_target's supports_z_point_type op into a
	method of process_target.

	* target.h (struct process_stratum_target): Remove the target op.
	(class process_target): Add the target op.
	* target.cc (process_target::supports_z_point_type): Define.

	Update the derived classes and callers below.

	* mem-break.cc (z_type_supported): Update.
	* linux-low.cc (linux_target_ops): Update.
	(linux_supports_z_point_type): Turn into ...
	(linux_process_target::supports_z_point_type): ... this.
	* linux-low.h (class linux_process_target): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	* nto-low.cc (nto_target_ops): Update.
	(nto_supports_z_point_type): Turn into ...
	(nto_process_target::supports_z_point_type): ... this.
	* nto-low.h (class nto_process_target): Update.
	* win32-low.cc (win32_target_ops): Update.
	(win32_supports_z_point_type): Turn into ...
	(win32_process_target::supports_z_point_type): ... this.
	* win32-low.h (class win32_process_target): Update.
This commit is contained in:
Tankut Baris Aktemur 2020-02-17 16:11:54 +01:00
parent eac215cc61
commit a2b2297a20
11 changed files with 57 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
gdbserver/ChangeLog
View File

@ -1,3 +1,29 @@
2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Turn process_stratum_target's supports_z_point_type op into a
method of process_target.
* target.h (struct process_stratum_target): Remove the target op.
(class process_target): Add the target op.
* target.cc (process_target::supports_z_point_type): Define.
Update the derived classes and callers below.
* mem-break.cc (z_type_supported): Update.
* linux-low.cc (linux_target_ops): Update.
(linux_supports_z_point_type): Turn into ...
(linux_process_target::supports_z_point_type): ... this.
* linux-low.h (class linux_process_target): Update.
* lynx-low.cc (lynx_target_ops): Update.
* nto-low.cc (nto_target_ops): Update.
(nto_supports_z_point_type): Turn into ...
(nto_process_target::supports_z_point_type): ... this.
* nto-low.h (class nto_process_target): Update.
* win32-low.cc (win32_target_ops): Update.
(win32_supports_z_point_type): Turn into ...
(win32_process_target::supports_z_point_type): ... this.
* win32-low.h (class win32_process_target): Update.
2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Turn process_stratum_target's read_auxv op into a method of

5
gdbserver/linux-low.cc
View File

@ -5957,8 +5957,8 @@ linux_process_target::read_auxv (CORE_ADDR offset, unsigned char *myaddr,
pass on the function call if the target has registered a
corresponding function. */
static int
linux_supports_z_point_type (char z_type)
bool
linux_process_target::supports_z_point_type (char z_type)
{
return (the_low_target.supports_z_point_type != NULL
&& the_low_target.supports_z_point_type (z_type));
@ -7376,7 +7376,6 @@ linux_get_hwcap2 (int wordsize)
static linux_process_target the_linux_target;
static process_stratum_target linux_target_ops = {
linux_supports_z_point_type,
linux_insert_point,
linux_remove_point,
linux_stopped_by_sw_breakpoint,

2
gdbserver/linux-low.h
View File

@ -314,6 +314,8 @@ public:
int read_auxv (CORE_ADDR offset, unsigned char *myaddr,
unsigned int len) override;
bool supports_z_point_type (char z_type) override;
};
#define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))

1
gdbserver/lynx-low.cc
View File

@ -729,7 +729,6 @@ static lynx_process_target the_lynx_target;
/* The LynxOS target_ops vector. */
static process_stratum_target lynx_target_ops = {
NULL, /* supports_z_point_type */
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_sw_breakpoint */

3
gdbserver/mem-break.cc
View File

@ -1005,8 +1005,7 @@ static int
z_type_supported (char z_type)
{
return (z_type >= '0' && z_type <= '4'
&& the_target->supports_z_point_type != NULL
&& the_target->supports_z_point_type (z_type));
&& the_target->pt->supports_z_point_type (z_type));
}
/* Create a new GDB breakpoint of type Z_TYPE at ADDR with kind KIND.

9
gdbserver/nto-low.cc
View File

@ -789,8 +789,8 @@ nto_process_target::read_auxv (CORE_ADDR offset, unsigned char *myaddr,
return nto_read_auxv_from_initial_stack (initial_stack, myaddr, len);
}
static int
nto_supports_z_point_type (char z_type)
bool
nto_process_target::supports_z_point_type (char z_type)
{
switch (z_type)
{
@ -799,9 +799,9 @@ nto_supports_z_point_type (char z_type)
case Z_PACKET_WRITE_WP:
case Z_PACKET_READ_WP:
case Z_PACKET_ACCESS_WP:
return 1;
return true;
default:
return 0;
return false;
}
}
@ -950,7 +950,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size)
static nto_process_target the_nto_target;
static process_stratum_target nto_target_ops = {
nto_supports_z_point_type,
nto_insert_point,
nto_remove_point,
NULL, /* stopped_by_sw_breakpoint */

2
gdbserver/nto-low.h
View File

@ -84,6 +84,8 @@ public:
int read_auxv (CORE_ADDR offset, unsigned char *myaddr,
unsigned int len) override;
bool supports_z_point_type (char z_type) override;
};
/* The inferior's target description. This is a global because the

6
gdbserver/target.cc
View File

@ -427,3 +427,9 @@ process_target::read_auxv (CORE_ADDR offset, unsigned char *myaddr,
{
gdb_assert_not_reached ("target op read_auxv not supported");
}
bool
process_target::supports_z_point_type (char z_type)
{
return false;
}

20
gdbserver/target.h
View File

@ -70,16 +70,6 @@ class process_target;
shared code. */
struct process_stratum_target
{
/* Returns true if GDB Z breakpoint type TYPE is supported, false
otherwise. The type is coded as follows:
'0' - software-breakpoint
'1' - hardware-breakpoint
'2' - write watchpoint
'3' - read watchpoint
'4' - access watchpoint
*/
int (*supports_z_point_type) (char z_type);
/* Insert and remove a break or watchpoint.
Returns 0 on success, -1 on failure and 1 on unsupported. */
@ -476,6 +466,16 @@ public:
Read LEN bytes at OFFSET into a buffer at MYADDR. */
virtual int read_auxv (CORE_ADDR offset, unsigned char *myaddr,
unsigned int len);
/* Returns true if GDB Z breakpoint type TYPE is supported, false
otherwise. The type is coded as follows:
'0' - software-breakpoint
'1' - hardware-breakpoint
'2' - write watchpoint
'3' - read watchpoint
'4' - access watchpoint
*/
virtual bool supports_z_point_type (char z_type);
};
extern process_stratum_target *the_target;

5
gdbserver/win32-low.cc
View File

@ -254,8 +254,8 @@ child_delete_thread (DWORD pid, DWORD tid)
/* These watchpoint related wrapper functions simply pass on the function call
if the low target has registered a corresponding function. */
static int
win32_supports_z_point_type (char z_type)
bool
win32_process_target::supports_z_point_type (char z_type)
{
return (the_low_target.supports_z_point_type != NULL
&& the_low_target.supports_z_point_type (z_type));
@ -1838,7 +1838,6 @@ win32_sw_breakpoint_from_kind (int kind, int *size)
static win32_process_target the_win32_target;
static process_stratum_target win32_target_ops = {
win32_supports_z_point_type,
win32_insert_point,
win32_remove_point,
NULL, /* stopped_by_sw_breakpoint */

2
gdbserver/win32-low.h
View File

@ -138,6 +138,8 @@ public:
int len) override;
void request_interrupt () override;
bool supports_z_point_type (char z_type) override;
};
/* Retrieve the context for this thread, if not already retrieved. */