unix: add Darwin support for clonefile syscalls

This commit adds support for three Darwin-specific calls that accelerate
the copying of files:

* clonefile()
* clonefileat()
* fclonefileat()

Fixes golang/go#41366

Change-Id: I7e6c525fc23d8474ea85feff24314d3d672d87ed
Reviewed-on: https://go-review.googlesource.com/c/sys/+/254757
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Stan Hu
2020-09-16 03:07:50 +00:00
committed by Ian Lance Taylor
parent 288bc346aa
commit 2334cc1a13
10 changed files with 476 additions and 8 deletions
+8 -2
View File
@@ -110,6 +110,10 @@ TEXT ·libc_clock_gettime_trampoline(SB),NOSPLIT,$0-0
JMP libc_clock_gettime(SB)
TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
JMP libc_close(SB)
TEXT ·libc_clonefile_trampoline(SB),NOSPLIT,$0-0
JMP libc_clonefile(SB)
TEXT ·libc_clonefileat_trampoline(SB),NOSPLIT,$0-0
JMP libc_clonefileat(SB)
TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
JMP libc_dup(SB)
TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
@@ -132,6 +136,8 @@ TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
JMP libc_fchown(SB)
TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
JMP libc_fchownat(SB)
TEXT ·libc_fclonefileat_trampoline(SB),NOSPLIT,$0-0
JMP libc_fclonefileat(SB)
TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
JMP libc_flock(SB)
TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
@@ -164,6 +170,8 @@ TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
JMP libc_getrusage(SB)
TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
JMP libc_getsid(SB)
TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
JMP libc_gettimeofday(SB)
TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
JMP libc_getuid(SB)
TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
@@ -266,8 +274,6 @@ TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
JMP libc_munmap(SB)
TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
JMP libc_ptrace(SB)
TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
JMP libc_gettimeofday(SB)
TEXT ·libc_fstat64_trampoline(SB),NOSPLIT,$0-0
JMP libc_fstat64(SB)
TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0