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syscall: add support for Mmap and Mprotect

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This is necessary to run crypto/sha1 tests.
This commit is contained in:
Ayke van Laethem
2021-11-18 23:43:27 +01:00
committed by Ayke
parent 9d87d658ba
commit 0658e4896f
2 changed files with 39 additions and 0 deletions
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src/syscall/syscall_libc_darwin.go
+15
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@@ -78,3 +78,18 @@ const (
O_TRUNC = 0x400
O_EXCL = 0x800
)
// Source: https://opensource.apple.com/source/xnu/xnu-7195.81.3/bsd/sys/mman.h.auto.html
const (
PROT_NONE = 0x00 // no permissions
PROT_READ = 0x01 // pages can be read
PROT_WRITE = 0x02 // pages can be written
PROT_EXEC = 0x04 // pages can be executed
MAP_SHARED = 0x0001 // share changes
MAP_PRIVATE = 0x0002 // changes are private
MAP_FILE = 0x0000 // map from file (default)
MAP_ANON = 0x1000 // allocated from memory, swap space
MAP_ANONYMOUS = MAP_ANON
)