gdbserver/linux-low: turn 'insert_point' and 'remove_point' into methods

gdbserver/ChangeLog:
2020-04-02  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn the 'insert_point' and 'remove_point' linux target ops into
	methods of linux_process_target.

	* linux-low.h (struct linux_target_ops): Remove the ops.
	(class linux_process_target) <low_insert_point>
	<low_remove_point>: Declare.
	* linux-low.cc (linux_process_target::low_insert_point)
	(linux_process_target::low_remove_point): Define.
	(linux_process_target::insert_point)
	(linux_process_target::remove_point): Update for calls to
	low_insert_point and low_remove_point.
	* linux-x86-low.cc (class x86_target) <low_insert_point>
	<low_remove_point>: Declare.
	(x86_insert_point): Turn into...
	(x86_target::low_insert_point): ...this.
	(x86_remove_point): Turn into...
	(x86_target::low_remove_point): ...this.
	(the_low_target): Remove the op fields.
	* linux-aarch64-low.cc (class aarch64_target) <low_insert_point>
	<low_remove_point>: Declare.
	(aarch64_insert_point): Turn into...
	(aarch64_target::low_insert_point): ...this.
	(aarch64_remove_point): Turn into...
	(aarch64_target::low_remove_point): ...this.
	(the_low_target): Remove the op fields.
	* linux-arm-low.cc (class arm_target) <low_insert_point>
	<low_remove_point>: Declare.
	(arm_insert_point): Turn into...
	(arm_target::low_insert_point): ...this.
	(arm_remove_point): Turn into...
	(arm_target::low_remove_point): ...this.
	(the_low_target): Remove the op fields.
	* linux-crisv32-low.cc (class crisv32_target) <low_insert_point>
	<low_remove_point>: Declare.
	(crisv32_insert_point): Turn into...
	(crisv32_target::low_insert_point): ...this.
	(crisv32_remove_point): Turn into...
	(crisv32_target::low_remove_point): ...this.
	(the_low_target): Remove the op fields.
	* linux-mips-low.cc (class mips_target) <low_insert_point>
	<low_remove_point>: Declare.
	(mips_insert_point): Turn into...
	(mips_target::low_insert_point): ...this.
	(mips_remove_point): Turn into...
	(mips_target::low_remove_point): ...this.
	(the_low_target): Remove the op fields.
	* linux-ppc-low.cc (class ppc_target) <low_insert_point>
	<low_remove_point>: Declare.
	(ppc_insert_point): Turn into...
	(ppc_target::low_insert_point): ...this.
	(ppc_remove_point): Turn into...
	(ppc_target::low_remove_point): ...this.
	(the_low_target): Remove the op fields.
	* linux-bfin-low.cc (the_low_target): Remove the op fields.
	* linux-m32r-low.cc (the_low_target): Ditto.
	* linux-m68k-low.cc (the_low_target): Ditto.
	* linux-s390-low.cc (the_low_target): Ditto.
	* linux-sh-low.cc (the_low_target): Ditto.
	* linux-sparc-low.cc (the_low_target): Ditto.
	* linux-tic6x-low.cc (the_low_target): Ditto.
	* linux-tile-low.cc (the_low_target): Ditto.
	* linux-xtensa-low.cc (the_low_target): Ditto.
This commit is contained in:
Tankut Baris Aktemur
2020-04-02 15:11:27 +02:00
parent 007c9b975d
commit 9db9aa232a
18 changed files with 172 additions and 88 deletions

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@ -1,3 +1,68 @@
2020-04-02 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Turn the 'insert_point' and 'remove_point' linux target ops into
methods of linux_process_target.
* linux-low.h (struct linux_target_ops): Remove the ops.
(class linux_process_target) <low_insert_point>
<low_remove_point>: Declare.
* linux-low.cc (linux_process_target::low_insert_point)
(linux_process_target::low_remove_point): Define.
(linux_process_target::insert_point)
(linux_process_target::remove_point): Update for calls to
low_insert_point and low_remove_point.
* linux-x86-low.cc (class x86_target) <low_insert_point>
<low_remove_point>: Declare.
(x86_insert_point): Turn into...
(x86_target::low_insert_point): ...this.
(x86_remove_point): Turn into...
(x86_target::low_remove_point): ...this.
(the_low_target): Remove the op fields.
* linux-aarch64-low.cc (class aarch64_target) <low_insert_point>
<low_remove_point>: Declare.
(aarch64_insert_point): Turn into...
(aarch64_target::low_insert_point): ...this.
(aarch64_remove_point): Turn into...
(aarch64_target::low_remove_point): ...this.
(the_low_target): Remove the op fields.
* linux-arm-low.cc (class arm_target) <low_insert_point>
<low_remove_point>: Declare.
(arm_insert_point): Turn into...
(arm_target::low_insert_point): ...this.
(arm_remove_point): Turn into...
(arm_target::low_remove_point): ...this.
(the_low_target): Remove the op fields.
* linux-crisv32-low.cc (class crisv32_target) <low_insert_point>
<low_remove_point>: Declare.
(crisv32_insert_point): Turn into...
(crisv32_target::low_insert_point): ...this.
(crisv32_remove_point): Turn into...
(crisv32_target::low_remove_point): ...this.
(the_low_target): Remove the op fields.
* linux-mips-low.cc (class mips_target) <low_insert_point>
<low_remove_point>: Declare.
(mips_insert_point): Turn into...
(mips_target::low_insert_point): ...this.
(mips_remove_point): Turn into...
(mips_target::low_remove_point): ...this.
(the_low_target): Remove the op fields.
* linux-ppc-low.cc (class ppc_target) <low_insert_point>
<low_remove_point>: Declare.
(ppc_insert_point): Turn into...
(ppc_target::low_insert_point): ...this.
(ppc_remove_point): Turn into...
(ppc_target::low_remove_point): ...this.
(the_low_target): Remove the op fields.
* linux-bfin-low.cc (the_low_target): Remove the op fields.
* linux-m32r-low.cc (the_low_target): Ditto.
* linux-m68k-low.cc (the_low_target): Ditto.
* linux-s390-low.cc (the_low_target): Ditto.
* linux-sh-low.cc (the_low_target): Ditto.
* linux-sparc-low.cc (the_low_target): Ditto.
* linux-tic6x-low.cc (the_low_target): Ditto.
* linux-tile-low.cc (the_low_target): Ditto.
* linux-xtensa-low.cc (the_low_target): Ditto.
2020-04-02 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Remove the 'supports_z_point_type' linux target op and let the

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@ -80,6 +80,12 @@ protected:
void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
bool low_breakpoint_at (CORE_ADDR pc) override;
int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
};
/* The singleton target ops object. */
@ -308,14 +314,14 @@ aarch64_target::supports_z_point_type (char z_type)
}
}
/* Implementation of linux_target_ops method "insert_point".
/* Implementation of linux target ops method "low_insert_point".
It actually only records the info of the to-be-inserted bp/wp;
the actual insertion will happen when threads are resumed. */
static int
aarch64_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
aarch64_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
int ret;
enum target_hw_bp_type targ_type;
@ -357,14 +363,14 @@ aarch64_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
return ret;
}
/* Implementation of linux_target_ops method "remove_point".
/* Implementation of linux target ops method "low_remove_point".
It actually only records the info of the to-be-removed bp/wp,
the actual removal will be done when threads are resumed. */
static int
aarch64_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
aarch64_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
int ret;
enum target_hw_bp_type targ_type;
@ -3106,8 +3112,6 @@ aarch64_supports_hardware_single_step (void)
struct linux_target_ops the_low_target =
{
aarch64_insert_point,
aarch64_remove_point,
aarch64_stopped_by_watchpoint,
aarch64_stopped_data_address,
NULL, /* collect_ptrace_register */

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@ -89,6 +89,12 @@ protected:
std::vector<CORE_ADDR> low_get_next_pcs (regcache *regcache) override;
bool low_breakpoint_at (CORE_ADDR pc) override;
int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
};
/* The singleton target ops object. */
@ -576,9 +582,9 @@ arm_target::supports_z_point_type (char z_type)
}
/* Insert hardware break-/watchpoint. */
static int
arm_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
arm_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arm_linux_hw_breakpoint p, *pts;
@ -621,9 +627,9 @@ arm_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
}
/* Remove hardware break-/watchpoint. */
static int
arm_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
arm_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arm_linux_hw_breakpoint p, *pts;
@ -1095,8 +1101,6 @@ arm_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
arm_insert_point,
arm_remove_point,
arm_stopped_by_watchpoint,
arm_stopped_data_address,
NULL, /* collect_ptrace_register */

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@ -171,8 +171,6 @@ bfin_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */

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@ -47,6 +47,12 @@ protected:
void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
bool low_breakpoint_at (CORE_ADDR pc) override;
int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
};
/* The singleton target ops object. */
@ -193,9 +199,9 @@ crisv32_target::supports_z_point_type (char z_type)
}
}
static int
cris_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
crisv32_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
int bp;
unsigned long bp_ctrl;
@ -266,9 +272,9 @@ cris_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
return 0;
}
static int
cris_remove_point (enum raw_bkpt_type type, CORE_ADDR addr, int len,
struct raw_breakpoint *bp)
int
crisv32_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
int bp;
unsigned long bp_ctrl;
@ -458,8 +464,6 @@ crisv32_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
cris_insert_point,
cris_remove_point,
cris_stopped_by_watchpoint,
cris_stopped_data_address,
NULL, /* collect_ptrace_register */

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@ -5835,11 +5835,16 @@ linux_process_target::insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
{
if (type == raw_bkpt_type_sw)
return insert_memory_breakpoint (bp);
else if (the_low_target.insert_point != NULL)
return the_low_target.insert_point (type, addr, size, bp);
else
/* Unsupported (see target.h). */
return 1;
return low_insert_point (type, addr, size, bp);
}
int
linux_process_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp)
{
/* Unsupported (see target.h). */
return 1;
}
int
@ -5848,11 +5853,16 @@ linux_process_target::remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
{
if (type == raw_bkpt_type_sw)
return remove_memory_breakpoint (bp);
else if (the_low_target.remove_point != NULL)
return the_low_target.remove_point (type, addr, size, bp);
else
/* Unsupported (see target.h). */
return 1;
return low_remove_point (type, addr, size, bp);
}
int
linux_process_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp)
{
/* Unsupported (see target.h). */
return 1;
}
/* Implement the stopped_by_sw_breakpoint target_ops

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@ -131,13 +131,6 @@ struct lwp_info;
struct linux_target_ops
{
/* Breakpoint and watchpoint related functions. See target.h for
comments. */
int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp);
int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp);
int (*stopped_by_watchpoint) (void);
CORE_ADDR (*stopped_data_address) (void);
@ -664,6 +657,14 @@ protected:
/* Return true if there is a breakpoint at PC. */
virtual bool low_breakpoint_at (CORE_ADDR pc) = 0;
/* Breakpoint and watchpoint related functions. See target.h for
comments. */
virtual int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp);
virtual int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp);
/* How many bytes the PC should be decremented after a break. */
virtual int low_decr_pc_after_break ();
};

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@ -161,8 +161,6 @@ m32r_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */

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@ -265,8 +265,6 @@ m68k_supports_hardware_single_step (void)
}
struct linux_target_ops the_low_target = {
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */

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@ -54,6 +54,12 @@ protected:
void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
bool low_breakpoint_at (CORE_ADDR pc) override;
int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
};
/* The singleton target ops object. */
@ -508,12 +514,12 @@ mips_target::supports_z_point_type (char z_type)
}
}
/* This is the implementation of linux_target_ops method
insert_point. */
/* This is the implementation of linux target ops method
low_insert_point. */
static int
mips_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
mips_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arch_process_info *priv = proc->priv->arch_private;
@ -553,12 +559,12 @@ mips_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
return 0;
}
/* This is the implementation of linux_target_ops method
remove_point. */
/* This is the implementation of linux target ops method
low_remove_point. */
static int
mips_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
int len, struct raw_breakpoint *bp)
int
mips_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arch_process_info *priv = proc->priv->arch_private;
@ -970,8 +976,6 @@ mips_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
mips_insert_point,
mips_remove_point,
mips_stopped_by_watchpoint,
mips_stopped_data_address,
mips_collect_ptrace_register,

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@ -71,6 +71,12 @@ protected:
void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
bool low_breakpoint_at (CORE_ADDR pc) override;
int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
};
/* The singleton target ops object. */
@ -346,12 +352,12 @@ ppc_target::supports_z_point_type (char z_type)
}
}
/* Implement insert_point target-ops.
/* Implement the low_insert_point linux target op.
Returns 0 on success, -1 on failure and 1 on unsupported. */
static int
ppc_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp)
int
ppc_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp)
{
switch (type)
{
@ -367,12 +373,12 @@ ppc_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
}
}
/* Implement remove_point target-ops.
/* Implement the low_remove_point linux target op.
Returns 0 on success, -1 on failure and 1 on unsupported. */
static int
ppc_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp)
int
ppc_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp)
{
switch (type)
{
@ -3410,8 +3416,6 @@ ppc_get_ipa_tdesc_idx (void)
}
struct linux_target_ops the_low_target = {
ppc_insert_point,
ppc_remove_point,
NULL,
NULL,
ppc_collect_ptrace_register,

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@ -2838,8 +2838,6 @@ s390_emit_ops (void)
}
struct linux_target_ops the_low_target = {
NULL,
NULL,
NULL,
NULL,
s390_collect_ptrace_register,

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@ -192,8 +192,6 @@ sh_target::low_arch_setup ()
}
struct linux_target_ops the_low_target = {
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */

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@ -341,7 +341,7 @@ sparc_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
NULL, NULL, NULL, NULL,
NULL, NULL,
NULL, NULL
};

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@ -423,8 +423,6 @@ tic6x_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */

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@ -224,8 +224,6 @@ tile_supports_hardware_single_step (void)
struct linux_target_ops the_low_target =
{
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */

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@ -127,6 +127,12 @@ protected:
int low_decr_pc_after_break () override;
bool low_breakpoint_at (CORE_ADDR pc) override;
int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp) override;
};
/* The singleton target ops object. */
@ -604,9 +610,9 @@ x86_target::supports_z_point_type (char z_type)
}
}
static int
x86_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp)
int
x86_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
@ -630,9 +636,9 @@ x86_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
}
}
static int
x86_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
int size, struct raw_breakpoint *bp)
int
x86_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
int size, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
@ -2912,8 +2918,6 @@ x86_get_ipa_tdesc_idx (void)
struct linux_target_ops the_low_target =
{
x86_insert_point,
x86_remove_point,
x86_stopped_by_watchpoint,
x86_stopped_data_address,
/* collect_ptrace_register/supply_ptrace_register are not needed in the

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@ -329,8 +329,6 @@ xtensa_target::get_regs_info ()
}
struct linux_target_ops the_low_target = {
NULL, /* insert_point */
NULL, /* remove_point */
NULL, /* stopped_by_watchpoint */
NULL, /* stopped_data_address */
NULL, /* collect_ptrace_register */