diff options
Diffstat (limited to 'subx/017jump_disp8.cc')
| -rw-r--r-- | subx/017jump_disp8.cc | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/subx/017jump_disp8.cc b/subx/017jump_disp8.cc deleted file mode 100644 index d7558401..00000000 --- a/subx/017jump_disp8.cc +++ /dev/null @@ -1,407 +0,0 @@ -//: jump to 8-bit offset - -//:: jump - -:(before "End Initialize Op Names") -put_new(Name, "eb", "jump disp8 bytes away (jmp)"); - -:(code) -void test_jump_disp8() { - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " eb 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: eb\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0xeb: { // jump disp8 - int8_t offset = static_cast<int>(next()); - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - break; -} - -//:: jump if equal/zero - -:(before "End Initialize Op Names") -put_new(Name, "74", "jump disp8 bytes away if equal, if ZF is set (jcc/jz/je)"); - -:(code) -void test_je_disp8_success() { - ZF = true; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 74 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 74\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0x74: { // jump disp8 if ZF - const int8_t offset = static_cast<int>(next()); - if (ZF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} - -:(code) -void test_je_disp8_fail() { - ZF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 74 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 74\n" - "run: 0x00000003 opcode: 05\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: jump 5"); -} - -//:: jump if not equal/not zero - -:(before "End Initialize Op Names") -put_new(Name, "75", "jump disp8 bytes away if not equal, if ZF is not set (jcc/jnz/jne)"); - -:(code) -void test_jne_disp8_success() { - ZF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 75 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 75\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0x75: { // jump disp8 unless ZF - const int8_t offset = static_cast<int>(next()); - if (!ZF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} - -:(code) -void test_jne_disp8_fail() { - ZF = true; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 75 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 75\n" - "run: 0x00000003 opcode: 05\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: jump 5"); -} - -//:: jump if greater - -:(before "End Initialize Op Names") -put_new(Name, "7f", "jump disp8 bytes away if greater (signed), if ZF is unset and SF == OF (jcc/jg/jnle)"); -put_new(Name, "77", "jump disp8 bytes away if greater (unsigned), if ZF is unset and CF is unset (jcc/ja/jnbe)"); - -:(code) -void test_jg_disp8_success() { - ZF = false; - SF = false; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7f 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7f\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0x7f: { // jump disp8 if SF == OF and !ZF - const int8_t offset = static_cast<int>(next()); - if (SF == OF && !ZF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} -case 0x77: { // jump disp8 if !CF and !ZF - const int8_t offset = static_cast<int>(next()); - if (!CF && !ZF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} - -:(code) -void test_jg_disp8_fail() { - ZF = false; - SF = true; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7f 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7f\n" - "run: 0x00000003 opcode: 05\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: jump 5"); -} - -//:: jump if greater or equal - -:(before "End Initialize Op Names") -put_new(Name, "7d", "jump disp8 bytes away if greater or equal (signed), if SF == OF (jcc/jge/jnl)"); -put_new(Name, "73", "jump disp8 bytes away if greater or equal (unsigned), if CF is unset (jcc/jae/jnb)"); - -:(code) -void test_jge_disp8_success() { - SF = false; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7d 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7d\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0x7d: { // jump disp8 if SF == OF - const int8_t offset = static_cast<int>(next()); - if (SF == OF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} -case 0x73: { // jump disp8 if !CF - const int8_t offset = static_cast<int>(next()); - if (!CF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} - -:(code) -void test_jge_disp8_fail() { - SF = true; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7d 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7d\n" - "run: 0x00000003 opcode: 05\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: jump 5"); -} - -//:: jump if lesser - -:(before "End Initialize Op Names") -put_new(Name, "7c", "jump disp8 bytes away if lesser (signed), if SF != OF (jcc/jl/jnge)"); -put_new(Name, "72", "jump disp8 bytes away if lesser (unsigned), if CF is set (jcc/jb/jnae)"); - -:(code) -void test_jl_disp8_success() { - ZF = false; - SF = true; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7c 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7c\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0x7c: { // jump disp8 if SF != OF - const int8_t offset = static_cast<int>(next()); - if (SF != OF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} -case 0x72: { // jump disp8 if CF - const int8_t offset = static_cast<int>(next()); - if (CF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} - -:(code) -void test_jl_disp8_fail() { - ZF = false; - SF = false; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7c 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7c\n" - "run: 0x00000003 opcode: 05\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: jump 5"); -} - -//:: jump if lesser or equal - -:(before "End Initialize Op Names") -put_new(Name, "7e", "jump disp8 bytes away if lesser or equal (signed), if ZF is set or SF != OF (jcc/jle/jng)"); -put_new(Name, "76", "jump disp8 bytes away if lesser or equal (unsigned), if ZF is set or CF is set (jcc/jbe/jna)"); - -:(code) -void test_jle_disp8_equal() { - ZF = true; - SF = false; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7e 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7e\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(code) -void test_jle_disp8_lesser() { - ZF = false; - SF = true; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7e 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7e\n" - "run: jump 5\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: 0x00000003 opcode: 05"); -} - -:(before "End Single-Byte Opcodes") -case 0x7e: { // jump disp8 if ZF or SF != OF - const int8_t offset = static_cast<int>(next()); - if (ZF || SF != OF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} -case 0x76: { // jump disp8 if ZF or CF - const int8_t offset = static_cast<int>(next()); - if (ZF || CF) { - trace(Callstack_depth+1, "run") << "jump " << NUM(offset) << end(); - EIP += offset; - } - break; -} - -:(code) -void test_jle_disp8_greater() { - ZF = false; - SF = false; - OF = false; - run( - "== code 0x1\n" - // op ModR/M SIB displacement immediate - " 7e 05 \n" // skip 1 instruction - " 05 00 00 00 01 \n" - " 05 00 00 00 02 \n" - ); - CHECK_TRACE_CONTENTS( - "run: 0x00000001 opcode: 7e\n" - "run: 0x00000003 opcode: 05\n" - "run: 0x00000008 opcode: 05\n" - ); - CHECK_TRACE_DOESNT_CONTAIN("run: jump 5"); -} |