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- Emulator can now test the αcτµαlly pδrταblε εxεcµταblε bootloader

- Whipped up a webserver named redbean. It services 150k requests per
  second on a single core. Bundling assets inside zip enables extremely
  fast serving for two reasons. The first is that zip central directory
  lookups go faster than stat() system calls. The second is that both
  zip and gzip content-encoding use DEFLATE, therefore, compressed
  responses can be served via the sendfile() system call which does an
  in-kernel copy directly from the zip executable structure. Also note
  that red bean zip executables can be deployed easily to all platforms,
  since these native executables work on Linux, Mac, BSD, and Windows.

- Address sanitizer now works very well
This commit is contained in:
Justine Tunney 2020-09-06 21:39:00 -07:00
parent 7327c345f9
commit 416fd86676
230 changed files with 9835 additions and 5682 deletions
Download patch file Download diff file Expand all files Collapse all files

48
tool/build/lib/disspec.c
View file

@ -27,7 +27,7 @@
static const char kFpuName[][8][8] = {
{"fadd", "fmul", "fcom", "fcomp", "fsub", "fsubr", "fdiv", "fdivr"},
{"fchs", "fabs", "ftst", "fxam"},
{"fchs", "fabs", UNKNOWN, UNKNOWN, "ftst", "fxam", UNKNOWN, UNKNOWN},
{"fld1", "fldl2t", "fldl2e", "fldpi", "fldlg2", "fldln2", "fldz"},
{"f2xm1", "fyl2x", "fptan", "fpatan", "fxtract", "fprem1", "fdecstp",
"fincstp"},
@ -90,15 +90,6 @@ char *DisOpVpsWpsVssWssVpdWpdVsdWsd(struct XedDecodedInst *x, char *p,
const char *DisSpecMap0(struct XedDecodedInst *x, char *p) {
switch (x->op.opcode & 0xff) {
RCASE(0x2F, "das");
RCASE(0x37, "aaa");
RCASE(0x3F, "aas");
RCASE(0xD6, "salc");
RCASE(0x61, "popa");
RCASE(0x60, "pusha");
RCASE(0x62, "bound");
RCASE(0xD4, "aam Ib");
RCASE(0xD5, "aad Ib");
RCASE(0x00, "add Eb %Gb");
RCASE(0x01, "add Evqp %Gvqp");
RCASE(0x02, "add %Gb Eb");
@ -141,6 +132,7 @@ const char *DisSpecMap0(struct XedDecodedInst *x, char *p) {
RCASE(0x27, "pop %es");
RCASE(0x28, "sub Eb %Gb");
RCASE(0x29, "sub Evqp %Gvqp");
RCASE(0x2F, "das");
RCASE(0x2a, "sub %Gb Eb");
RCASE(0x2b, "sub %Gvqp Evqp");
RCASE(0x2c, "sub %al Ib");
@ -151,14 +143,21 @@ const char *DisSpecMap0(struct XedDecodedInst *x, char *p) {
RCASE(0x33, "xor %Gvqp Evqp");
RCASE(0x34, "xor %al Ib");
RCASE(0x35, "xor %rAX Ivds");
RCASE(0x37, "aaa");
RCASE(0x38, "cmp Eb %Gb");
RCASE(0x39, "cmp Evqp %Gvqp");
RCASE(0x3A, "cmp %Gb Eb");
RCASE(0x3B, "cmp %Gvqp Evqp");
RCASE(0x3C, "cmp %al Ib");
RCASE(0x3D, "cmp %rAX Ivds");
RCASE(0x50 ... 0x57, "pushWQ %Zvq");
RCASE(0x58 ... 0x5f, "popWQ %Zvq");
RCASE(0x3F, "aas");
RCASE(0x40 ... 0x47, "inc %Zv");
RCASE(0x48 ... 0x4f, "dec %Zv");
RCASE(0x50 ... 0x57, "push %Zvq");
RCASE(0x58 ... 0x5f, "pop %Zvq");
RCASE(0x60, "pusha");
RCASE(0x61, "popa");
RCASE(0x62, "bound");
RCASE(0x63, "movslLQ %Gdqp Ed");
RCASE(0x68, "pushWQ Ivs");
RCASE(0x69, "imul %Gvqp Evqp Ivds");
@ -230,6 +229,8 @@ const char *DisSpecMap0(struct XedDecodedInst *x, char *p) {
RCASE(0xC1, "BIT Evqp Ib");
RCASE(0xC2, "ret Iw");
RCASE(0xC3, "ret");
RCASE(0xC4, "les %Gv Mp");
RCASE(0xC5, "lds %Gv Mp");
RCASE(0xC6, "mov Eb Ib");
RCASE(0xC7, "mov Evqp Ivds");
RCASE(0xC9, "leave");
@ -239,6 +240,9 @@ const char *DisSpecMap0(struct XedDecodedInst *x, char *p) {
RCASE(0xD1, "BIT Evqp $1");
RCASE(0xD2, "BIT Evqp %cl");
RCASE(0xD3, "BIT Evqp %cl");
RCASE(0xD4, x->op.uimm0 == 0x0a ? "aam" : "aam Ib");
RCASE(0xD5, x->op.uimm0 == 0x0a ? "aad" : "aad Ib");
RCASE(0xD6, "salc");
RCASE(0xD7, "xlat BBb");
RCASE(0xE0, "loopne Jbs");
RCASE(0xE1, "loope Jbs");
@ -250,6 +254,7 @@ const char *DisSpecMap0(struct XedDecodedInst *x, char *p) {
RCASE(0xE7, "out Ib %eAX");
RCASE(0xE8, "call Jvds");
RCASE(0xE9, "jmp Jvds");
RCASE(0xEA, "ljmp Rvds Kvds");
RCASE(0xEB, "jmp Jbs");
RCASE(0xEC, "in %al %dx");
RCASE(0xED, "in %eAX %dx");
@ -577,6 +582,8 @@ const char *DisSpecMap1(struct XedDecodedInst *x, char *p) {
RCASE(0x1B, "nop Ev");
RCASE(0x1C, "nop Ev");
RCASE(0x1D, "nop Ev");
RCASE(0x20, "mov %Hd %Cd");
RCASE(0x22, "mov %Cd %Hd");
RCASE(0x28, "movapSD %Vps Wps");
RCASE(0x29, "movapSD Wps %Vps");
RCASE(0x2B, "movntpSD Mps %Vps");
@ -732,8 +739,21 @@ const char *DisSpecMap1(struct XedDecodedInst *x, char *p) {
RCASE(0xFD, DisOpPqQqVdqWdq(x, p, "paddw"));
RCASE(0xFE, DisOpPqQqVdqWdq(x, p, "paddd"));
RCASE(0xFF, "ud0 %Gvqp Evqp");
case 0x01:
if (ModrmMod(x->op.rde) == 0b11 && ModrmReg(x->op.rde) == 0b111 &&
ModrmRm(x->op.rde) == 0b001) {
return "rdtscp";
} else if (!IsModrmRegister(x->op.rde) && ModrmReg(x->op.rde) == 0) {
return "sgdt Ms";
} else if (!IsModrmRegister(x->op.rde) && ModrmReg(x->op.rde) == 2) {
return "lgdt Ms";
} else {
return UNKNOWN;
}
break;
case 0x1F:
if (x->op.modrm == 0x45) {
if (ModrmMod(x->op.rde) == 1 && ModrmReg(x->op.rde) == 0 &&
ModrmRm(x->op.rde) == 0b101) {
return "bofram Jb";
} else {
return "nop Ev";
@ -779,7 +799,7 @@ const char *DisSpecMap1(struct XedDecodedInst *x, char *p) {
RCASE(5, "lfence");
RCASE(6, "mfence");
case 7:
if (0xf8 <= x->op.modrm && x->op.modrm <= 0xff) {
if (ModrmMod(x->op.rde) == 0b11 && ModrmReg(x->op.rde) == 0b111) {
return "sfence";
} else {
return "clflush";