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This commit is contained in:
Kartik Agaram 2019-05-15 00:48:48 -07:00
parent 6376008f9f
commit 4ff14e821e
3 changed files with 6 additions and 16 deletions
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4
subx/013direct_addressing.cc
View File

@ -338,7 +338,7 @@ void test_negate_r32() {
run(
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" f7 db \n" // negate EBX
" f7 db \n" // negate EBX
// ModR/M in binary: 11 (direct mode) 011 (subop negate) 011 (dest EBX)
);
CHECK_TRACE_CONTENTS(
@ -375,7 +375,7 @@ void test_negate_can_overflow() {
run(
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" f7 db \n" // negate EBX
" f7 db \n" // negate EBX
// ModR/M in binary: 11 (direct mode) 011 (subop negate) 011 (dest EBX)
);
CHECK_TRACE_CONTENTS(

8
subx/014indirect_addressing.cc
View File

@ -7,7 +7,7 @@ void test_add_r32_to_mem_at_r32() {
run(
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 01 18 \n" // add EBX to *EAX
" 01 18 \n" // add EBX to *EAX
// ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX)
"== 0x2000\n" // data segment
"01 00 00 00\n" // 0x00000001
@ -42,7 +42,7 @@ void test_add_mem_at_r32_to_r32() {
run(
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 03 18 \n" // add *EAX to EBX
" 03 18 \n" // add *EAX to EBX
// ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX)
"== 0x2000\n" // data segment
"01 00 00 00\n" // 0x00000001
@ -146,7 +146,7 @@ void test_subtract_r32_from_mem_at_r32() {
run(
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 29 18 \n" // subtract EBX from *EAX
" 29 18 \n" // subtract EBX from *EAX
// ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX)
"== 0x2000\n" // data segment
"0a 00 00 00\n" // 0x0000000a
@ -336,7 +336,7 @@ void test_or_r32_with_mem_at_r32() {
run(
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 09 18 #\n" // EBX with *EAX
" 09 18 #\n" // EBX with *EAX
// ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX)
"== 0x2000\n" // data segment
"0d 0c 0b 0a\n" // 0x0a0b0c0d

10
subx/015immediate_addressing.cc
View File

@ -30,7 +30,6 @@ void test_add_imm32_to_EAX_signed_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 05 01 00 00 00 \n" // add 1 to EAX
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: add imm32 0x00000001 to EAX\n"
@ -46,7 +45,6 @@ void test_add_imm32_to_EAX_unsigned_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 05 01 00 00 00 \n" // add 1 to EAX
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: add imm32 0x00000001 to EAX\n"
@ -61,7 +59,6 @@ void test_add_imm32_to_EAX_unsigned_and_signed_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 05 00 00 00 80 \n" // add 0x80000000 to EAX
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: add imm32 0x80000000 to EAX\n"
@ -251,7 +248,6 @@ void test_subtract_imm32_from_EAX_signed_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 2d ff ff ff 7f \n" // subtract largest positive signed integer from EAX
// ModR/M in binary: 00 (indirect mode) 101 (subop subtract) 011 (dest EBX)
);
CHECK_TRACE_CONTENTS(
"run: subtract imm32 0x7fffffff from EAX\n"
@ -266,7 +262,6 @@ void test_subtract_imm32_from_EAX_unsigned_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 2d 01 00 00 00 \n" // subtract 1 from EAX
// ModR/M in binary: 00 (indirect mode) 101 (subop subtract) 011 (dest EBX)
);
CHECK_TRACE_CONTENTS(
"run: subtract imm32 0x00000001 from EAX\n"
@ -281,7 +276,6 @@ void test_subtract_imm32_from_EAX_signed_and_unsigned_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 2d 00 00 00 80 \n" // subtract smallest negative signed integer from EAX
// ModR/M in binary: 00 (indirect mode) 101 (subop subtract) 011 (dest EBX)
);
CHECK_TRACE_CONTENTS(
"run: subtract imm32 0x80000000 from EAX\n"
@ -923,7 +917,6 @@ void test_compare_EAX_with_imm32_lesser_unsigned_and_signed() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 3d 0d 0c 0b 0a \n" // compare EAX with imm32
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: compare EAX with imm32 0x0a0b0c0d\n"
@ -937,7 +930,6 @@ void test_compare_EAX_with_imm32_lesser_unsigned_and_signed_due_to_overflow() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 3d 00 00 00 80\n" // compare EAX with smallest negative signed integer
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: compare EAX with imm32 0x80000000\n"
@ -951,7 +943,6 @@ void test_compare_EAX_with_imm32_lesser_signed() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 3d 01 00 00 00\n" // compare EAX with 1
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: compare EAX with imm32 0x00000001\n"
@ -965,7 +956,6 @@ void test_compare_EAX_with_imm32_lesser_unsigned() {
"== 0x1\n" // code segment
// op ModR/M SIB displacement immediate
" 3d ff ff ff ff\n" // compare EAX with -1
// ModR/M in binary: 11 (direct mode) 011 (src EBX) 000 (dest EAX)
);
CHECK_TRACE_CONTENTS(
"run: compare EAX with imm32 0xffffffff\n"