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https://github.com/jart/cosmopolitan.git
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Implement more security stuff
- Support deterministic stacks on OpenBSD - Support OpenBSD system call origin verification - Fix overrun by one in chibicc string token allocator - Get all chibicc tests passing under Address Sanitizer
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parent
cbfd4ccd1e
commit
c843243322
56 changed files with 376 additions and 245 deletions
2
libc/sysv/consts/MAP_CONCEAL.s
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libc/sysv/consts/MAP_CONCEAL.s
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@ -0,0 +1,2 @@
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.include "libc/sysv/consts/syscon.inc"
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.syscon mmap MAP_CONCEAL 0 0 0x20000 0x8000 0
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@ -1,2 +1,2 @@
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.include "libc/sysv/consts/syscon.inc"
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.syscon mmap MAP_GROWSDOWN 0x0100 0 0x0400 0x0400 0x100000
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.syscon mmap MAP_GROWSDOWN 0x0100 0 0x0400 0x4000 0x100000
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2
libc/sysv/consts/MAP_NOCORE.s
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libc/sysv/consts/MAP_NOCORE.s
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@ -0,0 +1,2 @@
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.include "libc/sysv/consts/syscon.inc"
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.syscon compat MAP_NOCORE 0 0 0x20000 0x8000 0
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libc/sysv/consts/__NR_msyscall.s
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libc/sysv/consts/__NR_msyscall.s
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@ -0,0 +1,2 @@
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.include "libc/sysv/consts/syscon.inc"
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.syscon nr __NR_msyscall -1 -1 -1 0x0025 -1
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@ -21,7 +21,6 @@ hidden extern const long MAP_NORESERVE;
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hidden extern const long MAP_POPULATE;
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hidden extern const long MAP_PRIVATE;
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hidden extern const long MAP_SHARED;
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hidden extern const long MAP_STACK;
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hidden extern const long MAP_TYPE;
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COSMOPOLITAN_C_END_
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@ -34,6 +33,7 @@ COSMOPOLITAN_C_END_
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#define MAP_32BIT SYMBOLIC(MAP_32BIT)
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#define MAP_ANONYMOUS SYMBOLIC(MAP_ANONYMOUS)
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#define MAP_CONCEAL SYMBOLIC(MAP_CONCEAL)
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#define MAP_DENYWRITE SYMBOLIC(MAP_DENYWRITE)
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#define MAP_EXECUTABLE SYMBOLIC(MAP_EXECUTABLE)
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#define MAP_GROWSDOWN SYMBOLIC(MAP_GROWSDOWN)
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@ -46,7 +46,8 @@ COSMOPOLITAN_C_END_
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#define MAP_POPULATE SYMBOLIC(MAP_POPULATE)
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#define MAP_TYPE SYMBOLIC(MAP_TYPE)
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#define MAP_ANON MAP_ANONYMOUS
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#define MAP_STACK MAP_GROWSDOWN
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#define MAP_ANON MAP_ANONYMOUS
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#define MAP_NOCORE MAP_CONCEAL
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#define MAP_STACK MAP_GROWSDOWN
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#endif /* COSMOPOLITAN_LIBC_SYSV_CONSTS_MAP_H_ */
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@ -332,6 +332,7 @@
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#define __NR_io_uring_enter SYMBOLIC(__NR_io_uring_enter)
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#define __NR_io_uring_register SYMBOLIC(__NR_io_uring_register)
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#define __NR_pledge SYMBOLIC(__NR_pledge)
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#define __NR_msyscall SYMBOLIC(__NR_msyscall)
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#define __NR_ktrace SYMBOLIC(__NR_ktrace)
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#define __NR_kqueue SYMBOLIC(__NR_kqueue)
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#define __NR_kevent SYMBOLIC(__NR_kevent)
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@ -1105,6 +1106,7 @@ hidden extern const long __NR_io_uring_setup;
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hidden extern const long __NR_io_uring_enter;
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hidden extern const long __NR_io_uring_register;
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hidden extern const long __NR_pledge;
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hidden extern const long __NR_msyscall;
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hidden extern const long __NR_ktrace;
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hidden extern const long __NR_kqueue;
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hidden extern const long __NR_kevent;
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