diff options
| author | Yao Qi <yao.qi@linaro.org> | 2016-06-28 12:02:35 +0100 |
|---|---|---|
| committer | Yao Qi <yao.qi@linaro.org> | 2016-06-28 12:03:28 +0100 |
| commit | 061fc021d5d110cc37a4c06c4ed94b87be00610a (patch) | |
| tree | 4fc7b3a87d545c2b131e9e1d6d40b5a018e8d06c /gdb | |
| parent | 4cc32bec04aadc5c070d0f4aee656313a4854c11 (diff) | |
| download | gdb-061fc021d5d110cc37a4c06c4ed94b87be00610a.zip gdb-061fc021d5d110cc37a4c06c4ed94b87be00610a.tar.gz gdb-061fc021d5d110cc37a4c06c4ed94b87be00610a.tar.bz2 | |
Implement get_syscall_trapinfo for aarch64-linux
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.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/gdbserver/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/gdbserver/linux-aarch64-low.c | 19 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog index cde2370..4c28195 100644 --- a/gdb/gdbserver/ChangeLog +++ b/gdb/gdbserver/ChangeLog @@ -1,5 +1,11 @@ 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. Callers updated. * linux-low.h (struct linux_target_ops) <get_syscall_trapinfo>: diff --git a/gdb/gdbserver/linux-aarch64-low.c b/gdb/gdbserver/linux-aarch64-low.c index d237bde..7ac68dd 100644 --- a/gdb/gdbserver/linux-aarch64-low.c +++ b/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 |