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Perform some code cleanup

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This commit is contained in:
Justine Tunney 2021-02-27 10:33:32 -08:00
parent 3e17c7b20f
commit 19d0c15e03
41 changed files with 321 additions and 459 deletions
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31
test/tool/build/lib/modrm_test.c
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@ -24,6 +24,13 @@
#include "tool/build/lib/machine.h"
#include "tool/build/lib/modrm.h"
#define ILD(XEDD, OP, MODE) \
do { \
xed_decoded_inst_zero_set_mode(XEDD, MODE); \
ASSERT_EQ(0, xed_instruction_length_decode(XEDD, OP, sizeof(OP))); \
XEDD->op.rde = EncodeRde(XEDD); \
} while (0)
TEST(modrm, testAddressSizeOverride_isNotPresent_keepsWholeExpression) {
struct Machine *m = gc(NewMachine());
struct XedDecodedInst *xedd = gc(calloc(1, sizeof(struct XedDecodedInst)));
@ -31,8 +38,7 @@ TEST(modrm, testAddressSizeOverride_isNotPresent_keepsWholeExpression) {
m->xedd = xedd;
Write64(m->bx, 0x2);
Write64(m->ax, 0xffffffff);
xed_decoded_inst_zero_set_mode(xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(xedd, op, sizeof(op)));
ILD(xedd, op, XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x100000001, ComputeAddress(m, m->xedd->op.rde));
}
@ -43,8 +49,7 @@ TEST(modrm, testAddressSizeOverride_isPresent_modulesWholeExpression) {
m->xedd = xedd;
Write64(m->bx, 0x2);
Write64(m->ax, 0xffffffff);
xed_decoded_inst_zero_set_mode(xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(xedd, op, sizeof(op)));
ILD(xedd, op, XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x000000001, ComputeAddress(m, m->xedd->op.rde));
}
@ -55,8 +60,7 @@ TEST(modrm, testOverflow_doesntTriggerTooling) {
m->xedd = xedd;
Write64(m->bx, 0x0000000000000001);
Write64(m->ax, 0x7fffffffffffffff);
xed_decoded_inst_zero_set_mode(xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(xedd, op, sizeof(op)));
ILD(xedd, op, XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x8000000000000000ull,
(uint64_t)ComputeAddress(m, m->xedd->op.rde));
}
@ -72,17 +76,13 @@ TEST(modrm, testPuttingOnTheRiz) {
m->xedd = gc(calloc(1, sizeof(struct XedDecodedInst)));
Write64(m->si, 0x100000001);
Write64(m->bp, 0x200000002);
xed_decoded_inst_zero_set_mode(m->xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(m->xedd, ops[0], sizeof(ops[0])));
ILD(m->xedd, ops[0], XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x100000001, ComputeAddress(m, m->xedd->op.rde));
xed_decoded_inst_zero_set_mode(m->xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(m->xedd, ops[1], sizeof(ops[1])));
ILD(m->xedd, ops[1], XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x000000001, ComputeAddress(m, m->xedd->op.rde));
xed_decoded_inst_zero_set_mode(m->xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(m->xedd, ops[2], sizeof(ops[2])));
ILD(m->xedd, ops[2], XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x31339, ComputeAddress(m, m->xedd->op.rde));
xed_decoded_inst_zero_set_mode(m->xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(m->xedd, ops[3], sizeof(ops[3])));
ILD(m->xedd, ops[3], XED_MACHINE_MODE_LONG_64);
EXPECT_EQ(0x31337, ComputeAddress(m, m->xedd->op.rde));
}
@ -100,8 +100,7 @@ TEST(modrm, testSibIndexOnly) {
m->xedd = xedd;
Write64(m->bp, 0x123);
Write64(m->cx, 0x123);
xed_decoded_inst_zero_set_mode(xedd, XED_MACHINE_MODE_LONG_64);
ASSERT_EQ(0, xed_instruction_length_decode(xedd, op, sizeof(op)));
ILD(xedd, op, XED_MACHINE_MODE_LONG_64);
EXPECT_TRUE(Rexw(m->xedd->op.rde));
EXPECT_TRUE(Rexr(m->xedd->op.rde));
EXPECT_FALSE(Rexb(m->xedd->op.rde));