diff options
| -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 |