[v2,2/2] gdbserver: xtensa: support THREADPTR register
Commit Message
Provide aceess to the THREADPTR register to remote gdb.
gdb/gdbserver/
2017-01-18 Max Filippov <jcmvbkbc@gmail.com>
* linux-xtensa-low.c (regnum::R_THREADPTR): New enum member.
(xtensa_fill_gregset): Call collect_register_by_name for
threadptr register.
(xtensa_store_gregset): Call supply_register_by_name for
threadptr register.
---
Changes v1->v2:
- add missing spaces to type casts;
- move directory name up in the commit message..
gdb/gdbserver/linux-xtensa-low.c | 11 +++++++++++
1 file changed, 11 insertions(+)
@@ -36,6 +36,7 @@ enum regnum {
R_LBEG, R_LEND, R_LCOUNT,
R_SAR,
R_WS, R_WB,
+ R_THREADPTR,
R_A0 = 64
};
@@ -84,6 +85,11 @@ xtensa_fill_gregset (struct regcache *regcache, void *buf)
collect_register (regcache, i, ptr);
ptr += register_size (tdesc, i);
}
+
+#if XCHAL_HAVE_THREADPTR
+ collect_register_by_name (regcache, "threadptr",
+ (char *) &rset[R_THREADPTR]);
+#endif
}
static void
@@ -131,6 +137,11 @@ xtensa_store_gregset (struct regcache *regcache, const void *buf)
supply_register_by_name (regcache, "ps", (char*)&rset[R_PS]);
supply_register_by_name (regcache, "windowbase", (char*)&rset[R_WB]);
supply_register_by_name (regcache, "windowstart", (char*)&rset[R_WS]);
+
+#if XCHAL_HAVE_THREADPTR
+ supply_register_by_name (regcache, "threadptr",
+ (char *) &rset[R_THREADPTR]);
+#endif
}
/* Xtensa GNU/Linux PTRACE interface includes extended register set. */