| /* Low level interface to valgrind, for the remote server for GDB integrated |
| in valgrind. |
| Copyright (C) 2012 |
| Free Software Foundation, Inc. |
| |
| This file is part of VALGRIND. |
| It has been inspired from a file from gdbserver in gdb 6.6. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #include "server.h" |
| #include "target.h" |
| #include "regdef.h" |
| #include "regcache.h" |
| |
| #include "pub_core_aspacemgr.h" |
| #include "pub_core_threadstate.h" |
| #include "pub_core_transtab.h" |
| #include "pub_core_gdbserver.h" |
| |
| #include "valgrind_low.h" |
| |
| #include "libvex_guest_tilegx.h" |
| #define REG_ONE(_n) { "r"#_n, 64 * (_n), 64 } |
| #define REG_ONE_NAME(_n, _name) { _name, 64 * (_n), 64 } |
| |
| static struct reg regs[] = { |
| REG_ONE(0), |
| REG_ONE(1), |
| REG_ONE(2), |
| REG_ONE(3), |
| REG_ONE(4), |
| REG_ONE(5), |
| REG_ONE(6), |
| REG_ONE(7), |
| REG_ONE(8), |
| REG_ONE(9), |
| |
| REG_ONE(10), |
| REG_ONE(11), |
| REG_ONE(12), |
| REG_ONE(13), |
| REG_ONE(14), |
| REG_ONE(15), |
| REG_ONE(16), |
| REG_ONE(17), |
| REG_ONE(18), |
| REG_ONE(19), |
| |
| REG_ONE(20), |
| REG_ONE(21), |
| REG_ONE(22), |
| REG_ONE(23), |
| REG_ONE(24), |
| REG_ONE(25), |
| REG_ONE(26), |
| REG_ONE(27), |
| REG_ONE(28), |
| REG_ONE(29), |
| |
| REG_ONE(30), |
| REG_ONE(31), |
| REG_ONE(32), |
| REG_ONE(33), |
| REG_ONE(34), |
| REG_ONE(35), |
| REG_ONE(36), |
| REG_ONE(37), |
| REG_ONE(38), |
| REG_ONE(39), |
| |
| REG_ONE(40), |
| REG_ONE(41), |
| REG_ONE(42), |
| REG_ONE(43), |
| REG_ONE(44), |
| REG_ONE(45), |
| REG_ONE(46), |
| REG_ONE(47), |
| REG_ONE(48), |
| REG_ONE(49), |
| |
| REG_ONE(50), |
| REG_ONE(51), |
| REG_ONE(52), |
| REG_ONE(53), |
| |
| REG_ONE_NAME(54, "sp"), |
| REG_ONE_NAME(55, "lr"), |
| REG_ONE(56), |
| REG_ONE(57), |
| REG_ONE(58), |
| REG_ONE(59), |
| |
| REG_ONE(60), |
| REG_ONE(61), |
| REG_ONE(62), |
| REG_ONE_NAME(63, "zero"), |
| REG_ONE_NAME(64, "pc"), |
| }; |
| |
| #define num_regs (sizeof (regs) / sizeof (regs[0])) |
| |
| static const char *expedite_regs[] = { "sp", "pc", 0 }; |
| |
| static |
| CORE_ADDR get_pc (void) |
| { |
| unsigned long pc; |
| |
| collect_register_by_name ("pc", &pc); |
| |
| dlog(1, "stop pc is %p\n", (void *) pc); |
| return pc; |
| } |
| |
| static |
| void set_pc ( CORE_ADDR newpc ) |
| { |
| Bool mod; |
| supply_register_by_name ("pc", &newpc, &mod); |
| if (mod) |
| dlog(1, "set pc to %p\n", C2v (newpc)); |
| else |
| dlog(1, "set pc not changed %p\n", C2v (newpc)); |
| } |
| |
| /* store registers in the guest state (gdbserver_to_valgrind) |
| or fetch register from the guest state (valgrind_to_gdbserver). */ |
| static |
| void transfer_register ( ThreadId tid, int abs_regno, void * buf, |
| transfer_direction dir, int size, Bool *mod ) |
| { |
| ThreadState* tst = VG_(get_ThreadState)(tid); |
| int set = abs_regno / num_regs; |
| int regno = abs_regno % num_regs; |
| *mod = False; |
| |
| VexGuestTILEGXState* tilegx = (VexGuestTILEGXState*) get_arch (set, tst); |
| |
| switch (regno) { |
| case 0: VG_(transfer) (&tilegx->guest_r0, buf, dir, size, mod); break; |
| case 1: VG_(transfer) (&tilegx->guest_r1, buf, dir, size, mod); break; |
| case 2: VG_(transfer) (&tilegx->guest_r2, buf, dir, size, mod); break; |
| case 3: VG_(transfer) (&tilegx->guest_r3, buf, dir, size, mod); break; |
| case 4: VG_(transfer) (&tilegx->guest_r4, buf, dir, size, mod); break; |
| case 5: VG_(transfer) (&tilegx->guest_r5, buf, dir, size, mod); break; |
| case 6: VG_(transfer) (&tilegx->guest_r6, buf, dir, size, mod); break; |
| case 7: VG_(transfer) (&tilegx->guest_r7, buf, dir, size, mod); break; |
| case 8: VG_(transfer) (&tilegx->guest_r8, buf, dir, size, mod); break; |
| case 9: VG_(transfer) (&tilegx->guest_r9, buf, dir, size, mod); break; |
| case 10: VG_(transfer) (&tilegx->guest_r10, buf, dir, size, mod); break; |
| case 11: VG_(transfer) (&tilegx->guest_r11, buf, dir, size, mod); break; |
| case 12: VG_(transfer) (&tilegx->guest_r12, buf, dir, size, mod); break; |
| case 13: VG_(transfer) (&tilegx->guest_r13, buf, dir, size, mod); break; |
| case 14: VG_(transfer) (&tilegx->guest_r14, buf, dir, size, mod); break; |
| case 15: VG_(transfer) (&tilegx->guest_r15, buf, dir, size, mod); break; |
| case 16: VG_(transfer) (&tilegx->guest_r16, buf, dir, size, mod); break; |
| case 17: VG_(transfer) (&tilegx->guest_r17, buf, dir, size, mod); break; |
| case 18: VG_(transfer) (&tilegx->guest_r18, buf, dir, size, mod); break; |
| case 19: VG_(transfer) (&tilegx->guest_r19, buf, dir, size, mod); break; |
| case 20: VG_(transfer) (&tilegx->guest_r20, buf, dir, size, mod); break; |
| case 21: VG_(transfer) (&tilegx->guest_r21, buf, dir, size, mod); break; |
| case 22: VG_(transfer) (&tilegx->guest_r22, buf, dir, size, mod); break; |
| case 23: VG_(transfer) (&tilegx->guest_r23, buf, dir, size, mod); break; |
| case 24: VG_(transfer) (&tilegx->guest_r24, buf, dir, size, mod); break; |
| case 25: VG_(transfer) (&tilegx->guest_r25, buf, dir, size, mod); break; |
| case 26: VG_(transfer) (&tilegx->guest_r26, buf, dir, size, mod); break; |
| case 27: VG_(transfer) (&tilegx->guest_r27, buf, dir, size, mod); break; |
| case 28: VG_(transfer) (&tilegx->guest_r28, buf, dir, size, mod); break; |
| case 29: VG_(transfer) (&tilegx->guest_r29, buf, dir, size, mod); break; |
| case 30: VG_(transfer) (&tilegx->guest_r30, buf, dir, size, mod); break; |
| case 31: VG_(transfer) (&tilegx->guest_r31, buf, dir, size, mod); break; |
| case 32: VG_(transfer) (&tilegx->guest_r32, buf, dir, size, mod); break; |
| case 33: VG_(transfer) (&tilegx->guest_r33, buf, dir, size, mod); break; |
| case 34: VG_(transfer) (&tilegx->guest_r34, buf, dir, size, mod); break; |
| case 35: VG_(transfer) (&tilegx->guest_r35, buf, dir, size, mod); break; |
| case 36: VG_(transfer) (&tilegx->guest_r36, buf, dir, size, mod); break; |
| case 37: VG_(transfer) (&tilegx->guest_r37, buf, dir, size, mod); break; |
| case 38: VG_(transfer) (&tilegx->guest_r38, buf, dir, size, mod); break; |
| case 39: VG_(transfer) (&tilegx->guest_r39, buf, dir, size, mod); break; |
| case 40: VG_(transfer) (&tilegx->guest_r40, buf, dir, size, mod); break; |
| case 41: VG_(transfer) (&tilegx->guest_r41, buf, dir, size, mod); break; |
| case 42: VG_(transfer) (&tilegx->guest_r42, buf, dir, size, mod); break; |
| case 43: VG_(transfer) (&tilegx->guest_r43, buf, dir, size, mod); break; |
| case 44: VG_(transfer) (&tilegx->guest_r44, buf, dir, size, mod); break; |
| case 45: VG_(transfer) (&tilegx->guest_r45, buf, dir, size, mod); break; |
| case 46: VG_(transfer) (&tilegx->guest_r46, buf, dir, size, mod); break; |
| case 47: VG_(transfer) (&tilegx->guest_r47, buf, dir, size, mod); break; |
| case 48: VG_(transfer) (&tilegx->guest_r48, buf, dir, size, mod); break; |
| case 49: VG_(transfer) (&tilegx->guest_r49, buf, dir, size, mod); break; |
| case 50: VG_(transfer) (&tilegx->guest_r50, buf, dir, size, mod); break; |
| case 51: VG_(transfer) (&tilegx->guest_r51, buf, dir, size, mod); break; |
| case 52: VG_(transfer) (&tilegx->guest_r52, buf, dir, size, mod); break; |
| case 53: VG_(transfer) (&tilegx->guest_r53, buf, dir, size, mod); break; |
| case 54: VG_(transfer) (&tilegx->guest_r54, buf, dir, size, mod); break; |
| case 55: VG_(transfer) (&tilegx->guest_r55, buf, dir, size, mod); break; |
| case 56: VG_(transfer) (&tilegx->guest_r56, buf, dir, size, mod); break; |
| case 57: VG_(transfer) (&tilegx->guest_r57, buf, dir, size, mod); break; |
| case 58: VG_(transfer) (&tilegx->guest_r58, buf, dir, size, mod); break; |
| case 59: VG_(transfer) (&tilegx->guest_r59, buf, dir, size, mod); break; |
| case 60: VG_(transfer) (&tilegx->guest_r60, buf, dir, size, mod); break; |
| case 61: VG_(transfer) (&tilegx->guest_r61, buf, dir, size, mod); break; |
| case 62: VG_(transfer) (&tilegx->guest_r62, buf, dir, size, mod); break; |
| case 63: VG_(transfer) (&tilegx->guest_r63, buf, dir, size, mod); break; |
| case 64: VG_(transfer) (&tilegx->guest_pc, buf, dir, size, mod); break; |
| |
| default: VG_(printf)("regno: %d\n", regno); vg_assert(0); |
| } |
| } |
| |
| static |
| const char* target_xml ( Bool shadow_mode ) |
| { |
| return NULL; |
| #if 0 |
| if (shadow_mode) |
| return "tilegx-linux-valgrind.xml"; |
| else |
| return "tilegx-linux.xml"; |
| #endif |
| } |
| |
| static CORE_ADDR** target_get_dtv (ThreadState *tst) |
| { |
| VexGuestTILEGXState* tilegx = (VexGuestTILEGXState*)&tst->arch.vex; |
| // tilegx dtv location similar to mips |
| return (CORE_ADDR**)((CORE_ADDR)tilegx->guest_r53 |
| - 0x7000 - sizeof(CORE_ADDR)); |
| } |
| |
| static struct valgrind_target_ops low_target = { |
| num_regs, |
| regs, |
| 54, //sp = r54, which is register offset 54 in regs |
| transfer_register, |
| get_pc, |
| set_pc, |
| "tilegx", |
| target_xml, |
| target_get_dtv |
| }; |
| |
| void tilegx_init_architecture ( struct valgrind_target_ops *target ) |
| { |
| *target = low_target; |
| set_register_cache (regs, num_regs); |
| gdbserver_expedite_regs = expedite_regs; |
| } |