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/* Chrysalide - Outil d'analyse de fichiers binaires
* ##FILE## - traduction d'instructions ARMv7
*
* Copyright (C) 2014 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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 3 of the License, or
* (at your option) any later version.
*
* Chrysalide 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
@title LDR (literal)
@encoding(t1) {
@half 0 1 0 0 1 Rt(3) imm8(8)
@syntax <Rgt> <label>
@conv {
Rgt = Register(Rt)
imm32 = ZeroExtend(imm8:'00', 10, 32)
label = MakeAccessOffset(1, imm32)
}
@hooks {
fetch = help_fetching_with_instruction_ldr_literal_from_thumb
post = post_process_ldr_instructions
}
}
@encoding(T2) {
@word 1 1 1 1 1 0 0 0 U(1) 1 0 1 1 1 1 1 Rt(4) imm12(12)
@syntax <Rgt> <label>
@conv {
Rgt = Register(Rt)
imm32 = ZeroExtend(imm12, 12, 32)
label = MakeAccessOffset(U, imm32)
}
@hooks {
fetch = help_fetching_with_instruction_ldr_literal_from_thumb
post = post_process_ldr_instructions
}
@rules {
//if t == 15 && InITBlock() && !LastInITBlock() then UNPREDICTABLE;
if (Rt == '1111'); chk_call DefineAsReturn(1)
}
}
@encoding(A1) {
@word cond(4) 0 1 0 1 U(1) 0 0 1 1 1 1 1 Rt(4) imm12(12)
@syntax {c} <Rgt> <label>
@conv {
c = Condition(cond)
Rgt = Register(Rt)
imm32 = ZeroExtend(imm12, 12, 32)
label = MakeAccessOffset(U, imm32)
}
@hooks {
fetch = help_fetching_with_instruction_ldr_literal_from_arm
post = post_process_ldr_instructions
}
@rules {
//if t == 15 && InITBlock() && !LastInITBlock() then UNPREDICTABLE;
if (Rt == '1111'); chk_call DefineAsReturn(1)
}
}
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