/* -*- mode: C; c-basic-offset: 3; -*- */ /*---------------------------------------------------------------*/ /*--- begin guest_s390_defs.h ---*/ /*---------------------------------------------------------------*/ /* This file is part of Valgrind, a dynamic binary instrumentation framework. Copyright IBM Corp. 2010-2012 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. The GNU General Public License is contained in the file COPYING. */ /* Contributed by Florian Krohm */ #ifndef __VEX_GUEST_S390_DEFS_H #define __VEX_GUEST_S390_DEFS_H #include "libvex_basictypes.h" // offsetof #include "libvex_ir.h" // IRSB (needed by bb_to_IR.h) #include "libvex.h" // VexArch (needed by bb_to_IR.h) #include "guest_generic_bb_to_IR.h" // DisResult #include "libvex_guest_s390x.h" // VexGuestS390XState /* Convert one s390 insn to IR. See the type DisOneInstrFn in bb_to_IR.h. */ DisResult disInstr_S390 ( IRSB* irbb, Bool (*resteerOkFn) ( void*, Addr64 ), Bool resteerCisOk, void* callback_opaque, UChar* guest_code, Long delta, Addr64 guest_IP, VexArch guest_arch, VexArchInfo* archinfo, VexAbiInfo* abiinfo, Bool host_bigendian ); /* Used by the optimiser to specialise calls to helpers. */ IRExpr* guest_s390x_spechelper ( HChar *function_name, IRExpr **args, IRStmt **precedingStmts, Int n_precedingStmts); /* Describes to the optimser which part of the guest state require precise memory exceptions. This is logically part of the guest state description. */ Bool guest_s390x_state_requires_precise_mem_exns ( Int, Int ); extern VexGuestLayout s390xGuest_layout; #define S390X_GUEST_OFFSET(x) offsetof(VexGuestS390XState, x) /*------------------------------------------------------------*/ /*--- Helper functions. ---*/ /*------------------------------------------------------------*/ void s390x_dirtyhelper_EX(ULong torun); ULong s390x_dirtyhelper_STCK(ULong *addr); ULong s390x_dirtyhelper_STCKF(ULong *addr); ULong s390x_dirtyhelper_STCKE(ULong *addr); ULong s390x_dirtyhelper_STFLE(VexGuestS390XState *guest_state, ULong *addr); void s390x_dirtyhelper_CUxy(UChar *addr, ULong data, ULong num_bytes); ULong s390_do_cu12_cu14_helper1(UInt byte1, UInt etf3_and_m3_is_1); ULong s390_do_cu12_helper2(UInt byte1, UInt byte2, UInt byte3, UInt byte4, ULong stuff); ULong s390_do_cu14_helper2(UInt byte1, UInt byte2, UInt byte3, UInt byte4, ULong stuff); ULong s390_do_cu21(UInt srcvalue, UInt low_surrogate); ULong s390_do_cu24(UInt srcvalue, UInt low_surrogate); ULong s390_do_cu41(UInt srcvalue); ULong s390_do_cu42(UInt srcvalue); UInt s390_do_cvb(ULong decimal); ULong s390_do_cvd(ULong binary); /* The various ways to compute the condition code. */ enum { S390_CC_OP_BITWISE = 0, S390_CC_OP_SIGNED_COMPARE = 1, S390_CC_OP_UNSIGNED_COMPARE = 2, S390_CC_OP_SIGNED_ADD_32 = 3, S390_CC_OP_SIGNED_ADD_64 = 4, S390_CC_OP_UNSIGNED_ADD_32 = 5, S390_CC_OP_UNSIGNED_ADD_64 = 6, S390_CC_OP_UNSIGNED_ADDC_32 = 7, S390_CC_OP_UNSIGNED_ADDC_64 = 8, S390_CC_OP_SIGNED_SUB_32 = 9, S390_CC_OP_SIGNED_SUB_64 = 10, S390_CC_OP_UNSIGNED_SUB_32 = 11, S390_CC_OP_UNSIGNED_SUB_64 = 12, S390_CC_OP_UNSIGNED_SUBB_32 = 13, S390_CC_OP_UNSIGNED_SUBB_64 = 14, S390_CC_OP_LOAD_AND_TEST = 15, S390_CC_OP_LOAD_POSITIVE_32 = 16, S390_CC_OP_LOAD_POSITIVE_64 = 17, S390_CC_OP_TEST_UNDER_MASK_8 = 18, S390_CC_OP_TEST_UNDER_MASK_16 = 19, S390_CC_OP_SHIFT_LEFT_32 = 20, S390_CC_OP_SHIFT_LEFT_64 = 21, S390_CC_OP_INSERT_CHAR_MASK_32 = 22, S390_CC_OP_BFP_RESULT_32 = 23, S390_CC_OP_BFP_RESULT_64 = 24, S390_CC_OP_BFP_RESULT_128 = 25, S390_CC_OP_BFP_32_TO_INT_32 = 26, S390_CC_OP_BFP_64_TO_INT_32 = 27, S390_CC_OP_BFP_128_TO_INT_32 = 28, S390_CC_OP_BFP_32_TO_INT_64 = 29, S390_CC_OP_BFP_64_TO_INT_64 = 30, S390_CC_OP_BFP_128_TO_INT_64 = 31, S390_CC_OP_BFP_TDC_32 = 32, S390_CC_OP_BFP_TDC_64 = 33, S390_CC_OP_BFP_TDC_128 = 34, S390_CC_OP_SET = 35 }; /*------------------------------------------------------------*/ /*--- Thunk layout ---*/ /*------------------------------------------------------------*/ /* Z -- value is zero extended to 32 / 64 bit S -- value is sign extended to 32 / 64 bit F -- a binary floating point value +--------------------------------+-----------------------+----------------------+-------------+ | op | cc_dep1 | cc_dep2 | cc_ndep | +--------------------------------+-----------------------+----------------------+-------------+ | S390_CC_OP_BITWISE | Z result | | | | S390_CC_OP_SIGNED_COMPARE | S 1st operand | S 2nd operand | | | S390_CC_OP_UNSIGNED_COMPARE | Z 1st operand | Z 2nd operand | | | S390_CC_OP_SIGNED_ADD_32 | S 1st operand | S 2nd operand | | | S390_CC_OP_SIGNED_ADD_64 | S 1st operand | S 2nd operand | | | S390_CC_OP_UNSIGNED_ADD_32 | Z 1st operand | Z 2nd operand | | | S390_CC_OP_UNSIGNED_ADD_64 | Z 1st operand | Z 2nd operand | | | S390_CC_OP_UNSIGNED_ADDC_32 | Z 1st operand | Z 2nd operand | Z carry in | | S390_CC_OP_UNSIGNED_ADDC_64 | Z 1st operand | Z 2nd operand | Z carry in | | S390_CC_OP_SIGNED_SUB_32 | S left operand | S right operand | | | S390_CC_OP_SIGNED_SUB_64 | S left operand | S right operand | | | S390_CC_OP_UNSIGNED_SUB_32 | Z left operand | Z right operand | | | S390_CC_OP_UNSIGNED_SUB_64 | Z left operand | Z right operand | | | S390_CC_OP_UNSIGNED_SUBB_32 | Z left operand | Z right operand | Z borrow in | | S390_CC_OP_UNSIGNED_SUBB_64 | Z left operand | Z right operand | Z borrow in | | S390_CC_OP_LOAD_AND_TEST | S loaded value | | | | S390_CC_OP_LOAD_POSITIVE_32 | S loaded value | | | | S390_CC_OP_LOAD_POSITIVE_64 | S loaded value | | | | S390_CC_OP_TEST_UNDER_MASK_8 | Z tested value | Z mask | | | S390_CC_OP_TEST_UNDER_MASK_16 | Z tested value | Z mask | | | S390_CC_OP_SHIFT_LEFT_32 | Z value to be shifted | Z shift amount | | | S390_CC_OP_SHIFT_LEFT_64 | Z value to be shifted | Z shift amount | | | S390_CC_OP_INSERT_CHAR_MASK_32 | Z result | Z mask | | | S390_CC_OP_BFP_RESULT_32 | F result | | | | S390_CC_OP_BFP_RESULT_64 | F result | | | | S390_CC_OP_BFP_RESULT_128 | F result hi 64 bits | F result low 64 bits | | | S390_CC_OP_BFP_32_TO_INT_32 | F source | | | | S390_CC_OP_BFP_64_TO_INT_32 | F source | | | | S390_CC_OP_BFP_128_TO_INT_32 | F source hi 64 bits | | | | S390_CC_OP_BFP_32_TO_INT_64 | F source | | | | S390_CC_OP_BFP_64_TO_INT_64 | F source | | | | S390_CC_OP_BFP_128_TO_INT_64 | F source hi 64 bits | | | | S390_CC_OP_BFP_TDC_32 | F value | Z class | | | S390_CC_OP_BFP_TDC_64 | F value | Z class | | | S390_CC_OP_BFP_TDC_128 | F value hi 64 bits | F value low 64 bits | Z class | | S390_CC_OP_SET | Z condition code | | | +--------------------------------+-----------------------+----------------------+-------------+ */ /*------------------------------------------------------------*/ /*--- Condition code helpers. ---*/ /*------------------------------------------------------------*/ UInt s390_calculate_cc(ULong cc_op, ULong cc_dep1, ULong cc_dep2, ULong cc_ndep); UInt s390_calculate_cond(ULong mask, ULong op, ULong dep1, ULong dep2, ULong ndep); /* Size of special instruction preamble */ #define S390_SPECIAL_OP_PREAMBLE_SIZE 8 /* Size of special instructions */ #define S390_SPECIAL_OP_SIZE 2 /* Last target instruction for the EX helper */ extern ULong last_execute_target; /*---------------------------------------------------------------*/ /*--- end guest_s390_defs.h ---*/ /*---------------------------------------------------------------*/ #endif /* __VEX_GUEST_S390_DEFS_H */