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Diffstat (limited to 'capstone/arch/PowerPC/PPCPredicates.h')
-rw-r--r-- | capstone/arch/PowerPC/PPCPredicates.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/capstone/arch/PowerPC/PPCPredicates.h b/capstone/arch/PowerPC/PPCPredicates.h new file mode 100644 index 000000000..03d55666f --- /dev/null +++ b/capstone/arch/PowerPC/PPCPredicates.h @@ -0,0 +1,62 @@ +//===-- PPCPredicates.h - PPC Branch Predicate Information ------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file describes the PowerPC branch predicates. +// +//===----------------------------------------------------------------------===// + +/* Capstone Disassembly Engine */ +/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2015 */ + +#ifndef CS_POWERPC_PPCPREDICATES_H +#define CS_POWERPC_PPCPREDICATES_H + +#include "capstone/ppc.h" + +// NOTE: duplicate of ppc_bc in ppc.h to maitain code compatibility with LLVM +typedef enum ppc_predicate { + PPC_PRED_LT = (0 << 5) | 12, + PPC_PRED_LE = (1 << 5) | 4, + PPC_PRED_EQ = (2 << 5) | 12, + PPC_PRED_GE = (0 << 5) | 4, + PPC_PRED_GT = (1 << 5) | 12, + PPC_PRED_NE = (2 << 5) | 4, + PPC_PRED_UN = (3 << 5) | 12, + PPC_PRED_NU = (3 << 5) | 4, + PPC_PRED_LT_MINUS = (0 << 5) | 14, + PPC_PRED_LE_MINUS = (1 << 5) | 6, + PPC_PRED_EQ_MINUS = (2 << 5) | 14, + PPC_PRED_GE_MINUS = (0 << 5) | 6, + PPC_PRED_GT_MINUS = (1 << 5) | 14, + PPC_PRED_NE_MINUS = (2 << 5) | 6, + PPC_PRED_UN_MINUS = (3 << 5) | 14, + PPC_PRED_NU_MINUS = (3 << 5) | 6, + PPC_PRED_LT_PLUS = (0 << 5) | 15, + PPC_PRED_LE_PLUS = (1 << 5) | 7, + PPC_PRED_EQ_PLUS = (2 << 5) | 15, + PPC_PRED_GE_PLUS = (0 << 5) | 7, + PPC_PRED_GT_PLUS = (1 << 5) | 15, + PPC_PRED_NE_PLUS = (2 << 5) | 7, + PPC_PRED_UN_PLUS = (3 << 5) | 15, + PPC_PRED_NU_PLUS = (3 << 5) | 7, + + // When dealing with individual condition-register bits, we have simple set + // and unset predicates. + PPC_PRED_BIT_SET = 1024, + PPC_PRED_BIT_UNSET = 1025 +} ppc_predicate; + +/// Invert the specified predicate. != -> ==, < -> >=. +ppc_predicate InvertPredicate(ppc_predicate Opcode); + +/// Assume the condition register is set by MI(a,b), return the predicate if +/// we modify the instructions such that condition register is set by MI(b,a). +ppc_predicate getSwappedPredicate(ppc_predicate Opcode); + +#endif |