unix: implement Getwd using getcwd from libSystem on darwin

Directly wrap the getcwd implementation provided by libSystem.dylib on
darwin and use it to implement Getwd like on the BSDs. This allows to
drop the custom implementation using getAttrList and to merge the
implementation of Getwd for darwin and the BSDs in syscall_bsd.go.

Change-Id: I62d38a239a7279fb95c912344bda2830856d4da4
Reviewed-on: https://go-review.googlesource.com/c/sys/+/257497
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser authored and Tobias Klauser committed 2020-09-26 10:08:07 +00:00
1 parent d9f96fdee2
commit 9d91bd6205
19 files changed
+134 -200

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@@ -60,8 +60,6 @@ TEXT ·libc_munlock_trampoline(SB),NOSPLIT,$0-0
JMP libc_munlock(SB)
TEXT ·libc_munlockall_trampoline(SB),NOSPLIT,$0-0
JMP libc_munlockall(SB)
TEXT ·libc_getattrlist_trampoline(SB),NOSPLIT,$0-0
JMP libc_getattrlist(SB)
TEXT ·libc_pipe_trampoline(SB),NOSPLIT,$0-0
JMP libc_pipe(SB)
TEXT ·libc_getxattr_trampoline(SB),NOSPLIT,$0-0
@@ -146,6 +144,8 @@ TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
JMP libc_fsync(SB)
TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
JMP libc_ftruncate(SB)
TEXT ·libc_getcwd_trampoline(SB),NOSPLIT,$0-0
JMP libc_getcwd(SB)
TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
JMP libc_getdtablesize(SB)
TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0