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Improve signal handling and math

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- Polyfill ucontext_t on FreeBSD/OpenBSD/NetBSD
- Add tests confirming signals can edit CPU state
- Work towards supporting ZIP filesystem on bare metal
- Add more tinymath unit tests for POSIX conformance
- Add X87 and SSE status flags to crash report
- Fix some bugs in blinkenlights
- Fix llvm build breakage
This commit is contained in:
Justine Tunney 2021-02-25 18:30:17 -08:00
parent cdc54ea1fd
commit 40291c9db3
109 changed files with 2316 additions and 520 deletions
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15
tool/build/lib/disspec.c
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@ -503,6 +503,7 @@ const char *DisSpecMap1(struct XedDecodedInst *x, char *p) {
RCASE(0x74, DisOpPqQqVdqWdq(x, p, "pcmpeqb"));
RCASE(0x75, DisOpPqQqVdqWdq(x, p, "pcmpeqw"));
RCASE(0x76, DisOpPqQqVdqWdq(x, p, "pcmpeqd"));
RCASE(0x77, "emms");
RCASE(0x80 ... 0x8f, "jCC Jvds");
RCASE(0x90 ... 0x9f, "setCC Jvds");
RCASE(0xA0, "push %fs");
@ -524,8 +525,6 @@ const char *DisSpecMap1(struct XedDecodedInst *x, char *p) {
RCASE(0xB7, "movzwWLQ %Gvqp Ew");
RCASE(0xB9, "ud %Gvqp Evqp");
RCASE(0xBB, "btc Evqp %Gvqp");
RCASE(0xBC, "bsf %Gvqp Evqp");
RCASE(0xBD, "bsr %Gvqp Evqp");
RCASE(0xBE, "movsbWLQ %Gvqp Eb");
RCASE(0xBF, "movswWLQ %Gvqp Ew");
RCASE(0xC0, "xadd Eb %Gb");
@ -577,6 +576,18 @@ 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 0xBC:
if (Rep(x->op.rde) == 3) {
return "tzcnt %Gvqp Evqp";
} else {
return "bsf %Gvqp Evqp";
}
case 0xBD:
if (Rep(x->op.rde) == 3) {
return "lzcnt %Gvqp Evqp";
} else {
return "bsr %Gvqp Evqp";
}
case 0x01:
switch (ModrmReg(x->op.rde)) {
case 0: