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gdbserver/linux-low: turn 'get_syscall_trapinfo' into a method

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

	Turn the 'get_syscall_trapinfo' linux target op into a method
	of process_stratum_target.

	* linux-low.h (struct linux_target_ops): Remove the op.
	(class linux_process_target) <get_syscall_trapinfo>
	<gdb_catch_this_syscall>
	<low_supports_catch_syscall>
	<low_get_syscall_trapinfo>: Declare.
	* linux-low.cc (get_syscall_trapinfo): Turn into...
	(linux_process_target::get_syscall_trapinfo): ...this.
	(linux_process_target::low_get_syscall_trapinfo): Define.
	(gdb_catch_this_syscall_p): Turn into...
	(linux_process_target::gdb_catch_this_syscall): ...this.
	(linux_process_target::low_supports_catch_syscall): Define.

	Update the callers below.

	(linux_process_target::wait_1)
	(linux_process_target::supports_catch_syscall)

	* linux-x86-low.cc (class x86_target) <low_supports_catch_syscall>
	<low_get_syscall_trapinfo>: Declare.
	(x86_target::low_supports_catch_syscall): Define.
	(x86_get_syscall_trapinfo): Turn into...
	(x86_target::low_get_syscall_trapinfo): ...this.
	(the_low_target): Remove the op field.
	* linux-aarch64-low.cc (class aarch64_target)
	<low_supports_catch_syscall>
	<low_get_syscall_trapinfo>: Declare.
	(aarch64_target::low_supports_catch_syscall): Define.
	(aarch64_get_syscall_trapinfo): Turn into...
	(aarch64_target::low_get_syscall_trapinfo): ...this.
	(the_low_target): Remove the op field.
	* linux-arm-low.cc (class arm_target) <low_supports_catch_syscall>
	<low_get_syscall_trapinfo>: Declare.
	(arm_target::low_supports_catch_syscall): Define.
	(arm_get_syscall_trapinfo): Turn into...
	(arm_target::low_get_syscall_trapinfo): ...this.
	(the_low_target): Remove the op field.
	* linux-ppc-low.cc (the_low_target): Remove the op field.
	* linux-s390-low.cc (the_low_target): Remove the op field.
This commit is contained in:
Tankut Baris Aktemur
2020-04-02 15:11:31 +02:00
parent b31cdfa69f
commit 9eedd27d42
8 changed files with 123 additions and 43 deletions
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15
gdbserver/linux-x86-low.cc
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@@ -176,6 +176,10 @@ protected:
bool low_supports_range_stepping () override;
bool low_supports_catch_syscall () override;
void low_get_syscall_trapinfo (regcache *regcache, int *sysno) override;
private:
/* Update all the target description of all processes; a new GDB
@@ -1110,11 +1114,17 @@ x86_target::low_arch_setup ()
current_process ()->tdesc = x86_linux_read_description ();
}
bool
x86_target::low_supports_catch_syscall ()
{
return true;
}
/* Fill *SYSNO and *SYSRET with the syscall nr trapped and the syscall return
code. This should only be called if LWP got a SYSCALL_SIGTRAP. */
static void
x86_get_syscall_trapinfo (struct regcache *regcache, int *sysno)
void
x86_target::low_get_syscall_trapinfo (regcache *regcache, int *sysno)
{
int use_64bit = register_size (regcache->tdesc, 0) == 8;
@@ -2985,7 +2995,6 @@ x86_get_ipa_tdesc_idx (void)
struct linux_target_ops the_low_target =
{
x86_get_syscall_trapinfo,
x86_get_ipa_tdesc_idx,
};