/* * libbinrec: a recompiling translator for machine code * Copyright (c) 2016 Andrew Church * * This software may be copied and redistributed under certain conditions; * see the file "COPYING" in the source code distribution for details. * NO WARRANTY is provided with this software. */ #include "tests/common.h" #include "tests/host-x86/common.h" static const binrec_setup_t setup = { .host = BINREC_ARCH_X86_64_SYSV, }; static const unsigned int host_opt = BINREC_OPT_H_X86_FORWARD_CONDITIONS; static int add_rtl(RTLUnit *unit) { int label, reg1, reg2, reg3; EXPECT(label = rtl_alloc_label(unit)); EXPECT(rtl_add_insn(unit, RTLOP_LABEL, 0, 0, 0, label)); EXPECT(reg1 = rtl_alloc_register(unit, RTLTYPE_FLOAT32)); EXPECT(rtl_add_insn(unit, RTLOP_LOAD_IMM, reg1, 0, 0, 0x3F800000)); EXPECT(reg2 = rtl_alloc_register(unit, RTLTYPE_FLOAT32)); EXPECT(rtl_add_insn(unit, RTLOP_LOAD_IMM, reg2, 0, 0, 0x40000000)); EXPECT(reg3 = rtl_alloc_register(unit, RTLTYPE_INT32)); EXPECT(rtl_add_insn(unit, RTLOP_FCMP, reg3, reg1, reg2, RTLFCMP_LT)); /* Separate the FCMP and GOTO_IF_NZ by an instruction to block * optimization. */ EXPECT(rtl_add_insn(unit, RTLOP_NOP, 0, 0, 0, 0)); EXPECT(rtl_add_insn(unit, RTLOP_GOTO_IF_NZ, 0, reg3, 0, label)); return EXIT_SUCCESS; } static const uint8_t expected_code[] = { 0x48,0x83,0xEC,0x08, // sub $8,%rsp 0xB8,0x00,0x00,0x80,0x3F, // L1: mov $0x3F800000,%eax 0x66,0x0F,0x6E,0xC0, // movd %eax,%xmm0 0xB8,0x00,0x00,0x00,0x40, // mov $0x40000000,%eax 0x66,0x0F,0x6E,0xC8, // movd %eax,%xmm1 0x33,0xC0, // xor %eax,%eax 0x0F,0x2E,0xC8, // ucomiss %xmm0,%xmm1 0x0F,0x97,0xC0, // seta %al 0x85,0xC0, // test %eax,%eax 0x75,0xE2, // jnz L1 0x48,0x83,0xC4,0x08, // add $8,%rsp 0xC3, // ret }; static const char expected_log[] = ""; #include "tests/rtl-translate-test.i"