Improve signal handling and math

- 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

View file

@ -17,13 +17,11 @@
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/macros.h"
.source __FILE__
// Returns 2^𝑥.
//
// @param 𝑥 is a double passed in the lower quadword of %xmm0
// @return result in lower quadword of %xmm0
exp2:
ezlea exp2l,ax
exp2: ezlea exp2l,ax
jmp _d2ld2
.endfn exp2,globl