2009-05-26 12:18:42 -06:00
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//
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// System calls and other sys.stuff for arm, Linux
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//
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2009-10-29 22:21:14 -06:00
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#include "arm/asm.h"
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2009-11-05 23:53:08 -07:00
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// OABI
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//#define SYS_BASE 0x00900000
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// EABI
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#define SYS_BASE 0x0
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2009-06-23 12:54:23 -06:00
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#define SYS_exit (SYS_BASE + 1)
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#define SYS_write (SYS_BASE + 4)
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2010-02-10 16:01:02 -07:00
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#define SYS_gettimeofday (SYS_BASE + 78)
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2009-10-29 22:21:14 -06:00
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#define SYS_clone (SYS_BASE + 120)
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2010-04-05 13:51:09 -06:00
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#define SYS_rt_sigreturn (SYS_BASE + 173)
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#define SYS_rt_sigaction (SYS_BASE + 174)
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#define SYS_sigaltstack (SYS_BASE + 186)
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2009-06-23 12:54:23 -06:00
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#define SYS_mmap2 (SYS_BASE + 192)
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2009-10-29 22:21:14 -06:00
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#define SYS_futex (SYS_BASE + 240)
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#define SYS_exit_group (SYS_BASE + 248)
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2010-09-07 07:57:22 -06:00
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#define SYS_munmap (SYS_BASE + 91)
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2011-03-23 09:31:42 -06:00
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#define SYS_setitimer (SYS_BASE + 104)
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2011-06-07 22:50:10 -06:00
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#define SYS_mincore (SYS_BASE + 219)
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2011-04-25 14:58:00 -06:00
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#define SYS_gettid (SYS_BASE + 224)
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#define SYS_tkill (SYS_BASE + 238)
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2009-06-23 12:54:23 -06:00
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2009-11-12 00:23:11 -07:00
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#define ARM_BASE (SYS_BASE + 0x0f0000)
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#define SYS_ARM_cacheflush (ARM_BASE + 2)
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·write(SB),7,$0
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2009-09-18 17:45:41 -06:00
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MOVW 0(FP), R0
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MOVW 4(FP), R1
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MOVW 8(FP), R2
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_write, R7
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SWI $0
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2009-05-26 12:18:42 -06:00
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RET
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·exit(SB),7,$-4
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2009-10-29 22:21:14 -06:00
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MOVW 0(FP), R0
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_exit_group, R7
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SWI $0
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2009-10-29 22:21:14 -06:00
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MOVW $1234, R0
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MOVW $1002, R1
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MOVW R0, (R1) // fail hard
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·exit1(SB),7,$-4
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2009-10-25 12:51:16 -06:00
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MOVW 0(FP), R0
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_exit, R7
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SWI $0
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2009-10-29 22:21:14 -06:00
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MOVW $1234, R0
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MOVW $1003, R1
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MOVW R0, (R1) // fail hard
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2009-06-10 12:53:07 -06:00
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2011-04-25 14:58:00 -06:00
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TEXT runtime·raisesigpipe(SB),7,$-4
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MOVW $SYS_gettid, R7
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SWI $0
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// arg 1 tid already in R0 from gettid
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MOVW $13, R1 // arg 2 SIGPIPE
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MOVW $SYS_tkill, R7
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SWI $0
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RET
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·mmap(SB),7,$0
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2009-09-18 17:45:41 -06:00
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MOVW 0(FP), R0
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2009-06-23 12:54:23 -06:00
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MOVW 4(FP), R1
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MOVW 8(FP), R2
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MOVW 12(FP), R3
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MOVW 16(FP), R4
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MOVW 20(FP), R5
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_mmap2, R7
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SWI $0
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2009-06-10 12:53:07 -06:00
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RET
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·munmap(SB),7,$0
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2010-09-07 07:57:22 -06:00
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MOVW 0(FP), R0
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MOVW 4(FP), R1
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MOVW $SYS_munmap, R7
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SWI $0
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RET
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2011-03-25 10:30:49 -06:00
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TEXT runtime·setitimer(SB),7,$0
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2011-03-23 09:31:42 -06:00
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MOVW 0(FP), R0
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MOVW 4(FP), R1
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2011-03-25 10:30:49 -06:00
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MOVW 8(FP), R2
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2011-03-23 09:31:42 -06:00
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MOVW $SYS_setitimer, R7
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SWI $0
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RET
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2011-06-07 22:50:10 -06:00
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TEXT runtime·mincore(SB),7,$0
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MOVW 0(FP), R0
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MOVW 4(FP), R1
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MOVW 8(FP), R2
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MOVW $SYS_mincore, R7
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SWI $0
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RET
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·gettime(SB),7,$32
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2010-02-10 16:01:02 -07:00
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/* dummy version - return 0,0 */
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MOVW $0, R1
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MOVW 0(FP), R0
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MOVW R1, 0(R0)
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MOVW R1, 4(R0)
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MOVW 4(FP), R0
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MOVW R1, 0(R0)
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/*
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attempt at real version - seg faults
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MOVW $8(SP), R0
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MOVW $0, R1
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MOVW $SYS_gettimeofday, R7
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SWI $0
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MOVW 0(FP), R0 // sec
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MOVW 8(SP), R1
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MOVW R1, 0(R0)
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MOVW 4(FP), R0 // usec
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MOVW 12(SP), R1
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MOVW R1, 0(R0)
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*/
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RET
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2009-10-29 22:21:14 -06:00
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// int32 futex(int32 *uaddr, int32 op, int32 val,
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2009-06-10 12:53:07 -06:00
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// struct timespec *timeout, int32 *uaddr2, int32 val2);
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·futex(SB),7,$0
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2009-10-29 22:21:14 -06:00
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MOVW 4(SP), R0
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MOVW 8(SP), R1
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MOVW 12(SP), R2
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MOVW 16(SP), R3
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MOVW 20(SP), R4
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MOVW 24(SP), R5
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_futex, R7
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SWI $0
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2009-06-10 12:53:07 -06:00
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RET
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2009-10-29 22:21:14 -06:00
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// int32 clone(int32 flags, void *stack, M *m, G *g, void (*fn)(void));
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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TEXT runtime·clone(SB),7,$0
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2009-10-29 22:21:14 -06:00
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MOVW flags+0(FP), R0
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MOVW stack+4(FP), R1
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MOVW $0, R2 // parent tid ptr
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MOVW $0, R3 // tls_val
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MOVW $0, R4 // child tid ptr
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MOVW $0, R5
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// Copy m, g, fn off parent stack for use by child.
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// TODO(kaib): figure out which registers are clobbered by clone and avoid stack copying
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MOVW $-16(R1), R1
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MOVW mm+8(FP), R6
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MOVW R6, 0(R1)
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MOVW gg+12(FP), R6
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MOVW R6, 4(R1)
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MOVW fn+16(FP), R6
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MOVW R6, 8(R1)
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MOVW $1234, R6
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MOVW R6, 12(R1)
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_clone, R7
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SWI $0
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2009-10-29 22:21:14 -06:00
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// In parent, return.
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CMP $0, R0
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BEQ 2(PC)
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RET
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// Paranoia: check that SP is as we expect. Use R13 to avoid linker 'fixup'
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MOVW 12(R13), R0
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MOVW $1234, R1
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CMP R0, R1
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BEQ 2(PC)
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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BL runtime·abort(SB)
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2009-10-29 22:21:14 -06:00
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MOVW 0(R13), m
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MOVW 4(R13), g
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// paranoia; check they are not nil
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MOVW 0(m), R0
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MOVW 0(g), R0
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runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
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BL runtime·emptyfunc(SB) // fault if stack check is wrong
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2009-10-29 22:21:14 -06:00
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// Initialize m->procid to Linux tid
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2009-11-05 23:53:08 -07:00
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MOVW $SYS_gettid, R7
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SWI $0
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2009-10-29 22:21:14 -06:00
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MOVW R0, m_procid(m)
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// Call fn
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MOVW 8(R13), R0
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|
|
|
MOVW $16(R13), R13
|
|
|
|
BL (R0)
|
|
|
|
|
|
|
|
MOVW $0, R0
|
|
|
|
MOVW R0, 4(R13)
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
BL runtime·exit1(SB)
|
2009-10-29 22:21:14 -06:00
|
|
|
|
|
|
|
// It shouldn't return
|
|
|
|
MOVW $1234, R0
|
|
|
|
MOVW $1005, R1
|
|
|
|
MOVW R0, (R1)
|
|
|
|
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
TEXT runtime·cacheflush(SB),7,$0
|
2009-11-12 00:23:11 -07:00
|
|
|
MOVW 0(FP), R0
|
|
|
|
MOVW 4(FP), R1
|
|
|
|
MOVW $0, R2
|
|
|
|
MOVW $SYS_ARM_cacheflush, R7
|
|
|
|
SWI $0
|
|
|
|
RET
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
TEXT runtime·sigaltstack(SB),7,$0
|
2010-04-05 13:51:09 -06:00
|
|
|
MOVW 0(FP), R0
|
|
|
|
MOVW 4(FP), R1
|
|
|
|
MOVW $SYS_sigaltstack, R7
|
|
|
|
SWI $0
|
|
|
|
RET
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
TEXT runtime·sigignore(SB),7,$0
|
2010-04-05 13:51:09 -06:00
|
|
|
RET
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
TEXT runtime·sigtramp(SB),7,$24
|
2011-02-23 12:47:42 -07:00
|
|
|
// save g
|
|
|
|
MOVW g, R3
|
|
|
|
MOVW g, 20(R13)
|
|
|
|
|
|
|
|
// g = m->gsignal
|
2010-04-05 13:51:09 -06:00
|
|
|
MOVW m_gsignal(m), g
|
2011-02-23 12:47:42 -07:00
|
|
|
|
|
|
|
// copy arguments for call to sighandler
|
2010-04-05 13:51:09 -06:00
|
|
|
MOVW R0, 4(R13)
|
|
|
|
MOVW R1, 8(R13)
|
|
|
|
MOVW R2, 12(R13)
|
2011-02-23 12:47:42 -07:00
|
|
|
MOVW R3, 16(R13)
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
BL runtime·sighandler(SB)
|
2011-02-23 12:47:42 -07:00
|
|
|
|
|
|
|
// restore g
|
|
|
|
MOVW 20(R13), g
|
|
|
|
|
2010-04-05 13:51:09 -06:00
|
|
|
RET
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
TEXT runtime·rt_sigaction(SB),7,$0
|
2010-04-05 13:51:09 -06:00
|
|
|
MOVW 0(FP), R0
|
|
|
|
MOVW 4(FP), R1
|
|
|
|
MOVW 8(FP), R2
|
|
|
|
MOVW 12(FP), R3
|
|
|
|
MOVW $SYS_rt_sigaction, R7
|
|
|
|
SWI $0
|
|
|
|
RET
|
|
|
|
|
runtime: ,s/[a-zA-Z0-9_]+/runtime·&/g, almost
Prefix all external symbols in runtime by runtime·,
to avoid conflicts with possible symbols of the same
name in linked-in C libraries. The obvious conflicts
are printf, malloc, and free, but hide everything to
avoid future pain.
The symbols left alone are:
** known to cgo **
_cgo_free
_cgo_malloc
libcgo_thread_start
initcgo
ncgocall
** known to linker **
_rt0_$GOARCH
_rt0_$GOARCH_$GOOS
text
etext
data
end
pclntab
epclntab
symtab
esymtab
** known to C compiler **
_divv
_modv
_div64by32
etc (arch specific)
Tested on darwin/386, darwin/amd64, linux/386, linux/amd64.
Built (but not tested) for freebsd/386, freebsd/amd64, linux/arm, windows/386.
R=r, PeterGo
CC=golang-dev
https://golang.org/cl/2899041
2010-11-04 12:00:19 -06:00
|
|
|
TEXT runtime·sigreturn(SB),7,$0
|
2010-04-05 13:51:09 -06:00
|
|
|
MOVW $SYS_rt_sigreturn, R7
|
|
|
|
SWI $0
|
|
|
|
RET
|
2011-02-25 12:29:55 -07:00
|
|
|
|
|
|
|
// Use kernel version instead of native armcas in ../../arm.s.
|
|
|
|
// See ../../../sync/atomic/asm_linux_arm.s for details.
|
|
|
|
TEXT cas<>(SB),7,$0
|
|
|
|
MOVW $0xffff0fc0, PC
|
|
|
|
|
|
|
|
TEXT runtime·cas(SB),7,$0
|
|
|
|
MOVW valptr+0(FP), R2
|
|
|
|
MOVW old+4(FP), R0
|
2011-05-02 08:49:19 -06:00
|
|
|
casagain:
|
2011-02-25 12:29:55 -07:00
|
|
|
MOVW new+8(FP), R1
|
|
|
|
BL cas<>(SB)
|
2011-05-02 08:49:19 -06:00
|
|
|
BCC cascheck
|
|
|
|
MOVW $1, R0
|
2011-02-25 12:29:55 -07:00
|
|
|
RET
|
2011-05-02 08:49:19 -06:00
|
|
|
cascheck:
|
|
|
|
// Kernel lies; double-check.
|
|
|
|
MOVW valptr+0(FP), R2
|
|
|
|
MOVW old+4(FP), R0
|
|
|
|
MOVW 0(R2), R3
|
|
|
|
CMP R0, R3
|
|
|
|
BEQ casagain
|
|
|
|
MOVW $0, R0
|
|
|
|
RET
|
|
|
|
|
2011-02-25 12:29:55 -07:00
|
|
|
|
|
|
|
TEXT runtime·casp(SB),7,$0
|
|
|
|
B runtime·cas(SB)
|
|
|
|
|