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- More timspec_*() and timeval_*() APIs have been introduced.
- The copyfd() function is now simplified thanks to POSIX rules.
- More Cosmo-specific APIs have been moved behind the COSMO define.
- The setitimer() polyfill for Windows NT is now much higher quality.
- Fixed build error for MODE=aarch64 due to -mstringop-strategy=loop.
- This change introduces `make MODE=nox87 toolchain` which makes it
  possible to build programs using your cosmocc toolchain that don't
  have legacy fpu instructions. This is useful, for example, if you
  want to have a ~22kb tinier blink virtual machine.
This commit is contained in:
Justine Tunney 2023-06-15 13:50:42 -07:00
parent 8dc11afcf6
commit c3440d040c
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GPG key ID: BE714B4575D6E328
132 changed files with 539 additions and 587 deletions
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3
libc/sysv/consts.sh
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@ -231,14 +231,11 @@ syscon mmap MAP_LOCKED 0x00002000 0x00002000 0 0 0 0 0 0
syscon mmap MAP_NORESERVE 0x00004000 0x00004000 0x00000040 0x00000040 0 0 0x00000040 0 # Linux calls it "reserve"; NT calls it "commit"? which is default?
syscon mmap MAP_POPULATE 0x00008000 0x00008000 0 0 0x00040000 0 0 0 # MAP_PREFAULT_READ on FreeBSD; can avoid madvise(MADV_WILLNEED) on private file mapping
syscon mmap MAP_NONBLOCK 0x00010000 0x00010000 0 0 0 0 0 0
syscon mmap MAP_HUGETLB 0x00040000 0x00040000 0 0 0 0 0 0x80000000 # kNtSecLargePages
syscon mmap MAP_SYNC 0x00080000 0x00080000 0 0 0 0 0 0 # perform synchronous page faults for mapping (Linux 4.15+)
syscon mmap MAP_INHERIT -1 -1 -1 -1 -1 -1 0x00000080 -1 # make it inherit across execve()
syscon mmap MAP_HASSEMAPHORE 0 0 0x00000200 0x00000200 0x00000200 0 0x00000200 0 # does it matter on x86?
syscon mmap MAP_NOSYNC 0 0 0 0 0x00000800 0 0 0 # flush to physical media only when necessary rather than gratuitously; be sure to use write() rather than ftruncate() with this!
syscon mmap MAP_CONCEAL 0 0 0 0 0x00020000 0x00008000 0x00008000 0 # omit from core dumps; MAP_NOCORE on FreeBSD
syscon mmap MAP_HUGE_MASK 63 63 0 0 0 0 0 0
syscon mmap MAP_HUGE_SHIFT 26 26 0 0 0 0 0 0
syscon compat MAP_NOCORE 0 0 0 0 0x00020000 0x00008000 0x00008000 0 # use MAP_CONCEAL
syscon compat MAP_ANON 0x00000020 0x00000020 0x00001000 0x00001000 0x00001000 0x00001000 0x00001000 0x00000020 # bsd consensus; faked nt
syscon compat MAP_EXECUTABLE 0x00001000 0x00001000 0 0 0 0 0 0 # ignored

2
libc/sysv/consts/MAP_HUGETLB.S
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@ -1,2 +0,0 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon mmap,MAP_HUGETLB,0x00040000,0x00040000,0,0,0,0,0,0x80000000

2
libc/sysv/consts/MAP_HUGE_MASK.S
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@ -1,2 +0,0 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon mmap,MAP_HUGE_MASK,63,63,0,0,0,0,0,0

2
libc/sysv/consts/MAP_HUGE_SHIFT.S
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@ -1,2 +0,0 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon mmap,MAP_HUGE_SHIFT,26,26,0,0,0,0,0,0

9
libc/sysv/consts/arch.h Normal file
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@ -0,0 +1,9 @@
#ifndef COSMOPOLITAN_LIBC_SYSV_CONSTS_ARCH_H_
#define COSMOPOLITAN_LIBC_SYSV_CONSTS_ARCH_H_
#define ARCH_SET_GS 0x1001
#define ARCH_SET_FS 0x1002
#define ARCH_GET_FS 0x1003
#define ARCH_GET_GS 0x1004
#endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_ARCH_H_ */

3
libc/sysv/consts/map.h
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@ -13,9 +13,6 @@ extern const int MAP_FILE;
extern const int MAP_FIXED;
extern const int MAP_FIXED_NOREPLACE;
extern const int MAP_HASSEMAPHORE;
extern const int MAP_HUGETLB;
extern const int MAP_HUGE_MASK;
extern const int MAP_HUGE_SHIFT;
extern const int MAP_INHERIT;
extern const int MAP_LOCKED;
extern const int MAP_NONBLOCK;