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Implement get_syscall_trapinfo for aarch64-linux

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gdb/gdbserver:

2016-06-28  Yao Qi  <yao.qi@linaro.org>

	* linux-aarch64-low.c (aarch64_get_syscall_trapinfo): New
	function.
	(the_low_target): Install aarch64_get_syscall_trapinfo.
This commit is contained in:
Yao Qi
2016-06-28 12:02:35 +01:00
parent 4cc32bec04
commit 061fc021d5
2 changed files with 25 additions and 0 deletions

6
gdb/gdbserver/ChangeLog

@ -1,3 +1,9 @@
2016-06-28 Yao Qi <yao.qi@linaro.org>
* linux-aarch64-low.c (aarch64_get_syscall_trapinfo): New
function.
(the_low_target): Install aarch64_get_syscall_trapinfo.
2016-06-28 Yao Qi <yao.qi@linaro.org>
* linux-low.c (get_syscall_trapinfo): Remove parameter sysret.

19
gdb/gdbserver/linux-aarch64-low.c

@ -570,6 +570,24 @@ aarch64_get_thread_area (int lwpid, CORE_ADDR *addrp)
return 0;
}
/* Implementation of linux_target_ops method "get_syscall_trapinfo". */
static void
aarch64_get_syscall_trapinfo (struct regcache *regcache, int *sysno)
{
int use_64bit = register_size (regcache->tdesc, 0) == 8;
if (use_64bit)
{
long l_sysno;
collect_register_by_name (regcache, "x8", &l_sysno);
*sysno = (int) l_sysno;
}
else
collect_register_by_name (regcache, "r7", sysno);
}
/* List of condition codes that we need. */
enum aarch64_condition_codes
@ -2984,6 +3002,7 @@ struct linux_target_ops the_low_target =
aarch64_supports_range_stepping,
aarch64_breakpoint_kind_from_current_state,
aarch64_supports_hardware_single_step,
aarch64_get_syscall_trapinfo,
};
void