/* GNU/Linux/Xtensa specific low level interface, for the remote server for GDB.
- Copyright (C) 2007-2016 Free Software Foundation, Inc.
+ Copyright (C) 2007-2020 Free Software Foundation, Inc.
This file is part of GDB.
R_LBEG, R_LEND, R_LCOUNT,
R_SAR,
R_WS, R_WB,
+ R_THREADPTR,
R_A0 = 64
};
ptr += register_size (tdesc, i);
}
+ if (XSHAL_ABI == XTHAL_ABI_CALL0)
+ {
+ int a0_regnum = find_regno (tdesc, "a0");
+ ptr = (char *) &rset[R_A0 + 4 * rset[R_WB]];
+
+ for (i = a0_regnum; i < a0_regnum + C0_NREGS; i++)
+ {
+ if ((4 * rset[R_WB] + i - a0_regnum) == XCHAL_NUM_AREGS)
+ ptr = (char *) &rset[R_A0];
+ collect_register (regcache, i, ptr);
+ ptr += register_size (tdesc, i);
+ }
+ }
+
/* Loop registers, if hardware has it. */
#if XCHAL_HAVE_LOOPS
collect_register_by_name (regcache, "ps", (char*)&rset[R_PS]);
collect_register_by_name (regcache, "windowbase", (char*)&rset[R_WB]);
collect_register_by_name (regcache, "windowstart", (char*)&rset[R_WS]);
+
+#if XCHAL_HAVE_THREADPTR
+ collect_register_by_name (regcache, "threadptr",
+ (char *) &rset[R_THREADPTR]);
+#endif
}
static void
ptr += register_size (tdesc, i);
}
+ if (XSHAL_ABI == XTHAL_ABI_CALL0)
+ {
+ int a0_regnum = find_regno (tdesc, "a0");
+ ptr = (char *) &rset[R_A0 + (4 * rset[R_WB]) % XCHAL_NUM_AREGS];
+
+ for (i = a0_regnum; i < a0_regnum + C0_NREGS; i++)
+ {
+ if ((4 * rset[R_WB] + i - a0_regnum) == XCHAL_NUM_AREGS)
+ ptr = (char *) &rset[R_A0];
+ supply_register (regcache, i, ptr);
+ ptr += register_size (tdesc, i);
+ }
+ }
+
/* Loop registers, if hardware has it. */
#if XCHAL_HAVE_LOOPS
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. */
/* Called by libthread_db. */
ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
lwpid_t lwpid, int idx, void **base)
{
xtensa_elf_gregset_t regs;
NULL, /* supply_ptrace_register */
NULL, /* siginfo_fixup */
NULL, /* new_process */
+ NULL, /* delete_process */
NULL, /* new_thread */
+ NULL, /* delete_thread */
NULL, /* new_fork */
NULL, /* prepare_to_resume */
NULL, /* process_qsupported */