/* Target-dependent code for GNU/Linux on Tilera TILE-Gx processors.
- Copyright 2012 Free Software Foundation, Inc.
+ Copyright (C) 2012-2014 Free Software Foundation, Inc.
This file is part of GDB.
{
CORE_ADDR pc = get_frame_register_unsigned (this_frame, 64);
CORE_ADDR sp = get_frame_register_unsigned (this_frame, 54);
- CORE_ADDR base = sp + 16;
+
+ /* Base address of register save area. */
+ CORE_ADDR base = sp
+ + 16 /* Skip ABI_SAVE_AREA. */
+ + 128 /* Skip SIGINFO. */
+ + 40; /* Skip UCONTEXT. */
+
+ /* Address of saved LR register (R56) which holds previous PC. */
+ CORE_ADDR prev_pc = base + 56 * 8;
+
int i;
for (i = 0; i < 56; i++)
trad_frame_set_reg_addr (this_cache, i, base + i * 8);
- trad_frame_set_reg_value (this_cache, 64, pc);
+ trad_frame_set_reg_value (this_cache, 64,
+ get_frame_memory_unsigned (this_frame, prev_pc, 8));
/* Save a frame ID. */
trad_frame_set_id (this_cache, frame_id_build (base, func));
int i;
/* This logic must match that of struct pt_regs in "ptrace.h". */
- for (i = 0; i < TILEGX_NUM_EASY_REGS + 1; i++, ptr += tilegx_reg_size)
+ for (i = 0; i < TILEGX_NUM_EASY_REGS + 2; i++, ptr += tilegx_reg_size)
{
- int gri = (i < TILEGX_NUM_EASY_REGS) ? i : TILEGX_PC_REGNUM;
+ int gri = (i < TILEGX_NUM_EASY_REGS)
+ ? i : (i == TILEGX_NUM_EASY_REGS)
+ ? TILEGX_PC_REGNUM : TILEGX_FAULTNUM_REGNUM;
if (regnum == gri || regnum == -1)
regcache_raw_supply (regcache, gri, ptr);
}
/* TILE-Gx Linux kernel register set. */
-static struct regset tilegx_linux_regset =
+static const struct regset tilegx_linux_regset =
{
NULL,
tilegx_linux_supply_regset