Imported Upstream version 1.4upstream/1.4

1 files changed, 0 insertions, 448 deletions

diff --git a/src/pkg/runtime/sys_linux_arm.s b/src/pkg/runtime/sys_linux_arm.s
deleted file mode 100644
index c537a8722..000000000
--- a/src/pkg/runtime/sys_linux_arm.s
+++ /dev/null
@@ -1,448 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//
-// System calls and other sys.stuff for arm, Linux
-//
-
-#include "zasm_GOOS_GOARCH.h"
-#include "../../cmd/ld/textflag.h"
-
-// for EABI, as we don't support OABI
-#define SYS_BASE 0x0
-
-#define SYS_exit (SYS_BASE + 1)
-#define SYS_read (SYS_BASE + 3)
-#define SYS_write (SYS_BASE + 4)
-#define SYS_open (SYS_BASE + 5)
-#define SYS_close (SYS_BASE + 6)
-#define SYS_gettimeofday (SYS_BASE + 78)
-#define SYS_clone (SYS_BASE + 120)
-#define SYS_rt_sigreturn (SYS_BASE + 173)
-#define SYS_rt_sigaction (SYS_BASE + 174)
-#define SYS_rt_sigprocmask (SYS_BASE + 175)
-#define SYS_sigaltstack (SYS_BASE + 186)
-#define SYS_mmap2 (SYS_BASE + 192)
-#define SYS_futex (SYS_BASE + 240)
-#define SYS_exit_group (SYS_BASE + 248)
-#define SYS_munmap (SYS_BASE + 91)
-#define SYS_madvise (SYS_BASE + 220)
-#define SYS_setitimer (SYS_BASE + 104)
-#define SYS_mincore (SYS_BASE + 219)
-#define SYS_gettid (SYS_BASE + 224)
-#define SYS_tkill (SYS_BASE + 238)
-#define SYS_sched_yield (SYS_BASE + 158)
-#define SYS_select (SYS_BASE + 142) // newselect
-#define SYS_ugetrlimit (SYS_BASE + 191)
-#define SYS_sched_getaffinity (SYS_BASE + 242)
-#define SYS_clock_gettime (SYS_BASE + 263)
-#define SYS_epoll_create (SYS_BASE + 250)
-#define SYS_epoll_ctl (SYS_BASE + 251)
-#define SYS_epoll_wait (SYS_BASE + 252)
-#define SYS_epoll_create1 (SYS_BASE + 357)
-#define SYS_fcntl (SYS_BASE + 55)
-
-#define ARM_BASE (SYS_BASE + 0x0f0000)
-
-TEXT runtime·open(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_open, R7
-	SWI	$0
-	RET
-
-TEXT runtime·close(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	$SYS_close, R7
-	SWI	$0
-	RET
-
-TEXT runtime·write(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_write, R7
-	SWI	$0
-	RET
-
-TEXT runtime·read(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_read, R7
-	SWI	$0
-	RET
-
-TEXT runtime·getrlimit(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	$SYS_ugetrlimit, R7
-	SWI	$0
-	RET
-
-TEXT runtime·exit(SB),NOSPLIT,$-4
-	MOVW	0(FP), R0
-	MOVW	$SYS_exit_group, R7
-	SWI	$0
-	MOVW	$1234, R0
-	MOVW	$1002, R1
-	MOVW	R0, (R1)	// fail hard
-
-TEXT runtime·exit1(SB),NOSPLIT,$-4
-	MOVW	0(FP), R0
-	MOVW	$SYS_exit, R7
-	SWI	$0
-	MOVW	$1234, R0
-	MOVW	$1003, R1
-	MOVW	R0, (R1)	// fail hard
-
-TEXT	runtime·raise(SB),NOSPLIT,$-4
-	MOVW	$SYS_gettid, R7
-	SWI	$0
-	// arg 1 tid already in R0 from gettid
-	MOVW	sig+0(FP), R1	// arg 2 - signal
-	MOVW	$SYS_tkill, R7
-	SWI	$0
-	RET
-
-TEXT runtime·mmap(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	12(FP), R3
-	MOVW	16(FP), R4
-	MOVW	20(FP), R5
-	MOVW	$SYS_mmap2, R7
-	SWI	$0
-	MOVW	$0xfffff001, R6
-	CMP		R6, R0
-	RSB.HI	$0, R0
-	RET
-
-TEXT runtime·munmap(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	$SYS_munmap, R7
-	SWI	$0
-	MOVW	$0xfffff001, R6
-	CMP 	R6, R0
-	MOVW.HI	$0, R8  // crash on syscall failure
-	MOVW.HI	R8, (R8)
-	RET
-
-TEXT runtime·madvise(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_madvise, R7
-	SWI	$0
-	// ignore failure - maybe pages are locked
-	RET
-
-TEXT runtime·setitimer(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_setitimer, R7
-	SWI	$0
-	RET
-
-TEXT runtime·mincore(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_mincore, R7
-	SWI	$0
-	RET
-
-TEXT time·now(SB), NOSPLIT, $32
-	MOVW	$0, R0  // CLOCK_REALTIME
-	MOVW	$8(R13), R1  // timespec
-	MOVW	$SYS_clock_gettime, R7
-	SWI	$0
-	
-	MOVW	8(R13), R0  // sec
-	MOVW	12(R13), R2  // nsec
-	
-	MOVW	R0, 0(FP)
-	MOVW	$0, R1
-	MOVW	R1, 4(FP)
-	MOVW	R2, 8(FP)
-	RET	
-
-// int64 nanotime(void) so really
-// void nanotime(int64 *nsec)
-TEXT runtime·nanotime(SB),NOSPLIT,$32
-	MOVW	$1, R0  // CLOCK_MONOTONIC
-	MOVW	$8(R13), R1  // timespec
-	MOVW	$SYS_clock_gettime, R7
-	SWI	$0
-	
-	MOVW	8(R13), R0  // sec
-	MOVW	12(R13), R2  // nsec
-	
-	MOVW	$1000000000, R3
-	MULLU	R0, R3, (R1, R0)
-	MOVW	$0, R4
-	ADD.S	R2, R0
-	ADC	R4, R1
-
-	MOVW	0(FP), R3
-	MOVW	R0, 0(R3)
-	MOVW	R1, 4(R3)
-	RET
-
-// int32 futex(int32 *uaddr, int32 op, int32 val,
-//	struct timespec *timeout, int32 *uaddr2, int32 val2);
-TEXT runtime·futex(SB),NOSPLIT,$0
-	MOVW	4(SP), R0
-	MOVW	8(SP), R1
-	MOVW	12(SP), R2
-	MOVW	16(SP), R3
-	MOVW	20(SP), R4
-	MOVW	24(SP), R5
-	MOVW	$SYS_futex, R7
-	SWI	$0
-	RET
-
-
-// int32 clone(int32 flags, void *stack, M *mp, G *gp, void (*fn)(void));
-TEXT runtime·clone(SB),NOSPLIT,$0
-	MOVW	flags+0(FP), R0
-	MOVW	stack+4(FP), R1
-	MOVW	$0, R2	// parent tid ptr
-	MOVW	$0, R3	// tls_val
-	MOVW	$0, R4	// child tid ptr
-	MOVW	$0, R5
-
-	// Copy mp, gp, fn off parent stack for use by child.
-	// TODO(kaib): figure out which registers are clobbered by clone and avoid stack copying
-	MOVW	$-16(R1), R1
-	MOVW	mm+8(FP), R6
-	MOVW	R6, 0(R1)
-	MOVW	gg+12(FP), R6
-	MOVW	R6, 4(R1)
-	MOVW	fn+16(FP), R6
-	MOVW	R6, 8(R1)
-	MOVW	$1234, R6
-	MOVW	R6, 12(R1)
-
-	MOVW	$SYS_clone, R7
-	SWI	$0
-
-	// In parent, return.
-	CMP	$0, R0
-	BEQ	2(PC)
-	RET
-
-	// Paranoia: check that SP is as we expect. Use R13 to avoid linker 'fixup'
-	MOVW	12(R13), R0
-	MOVW	$1234, R1
-	CMP	R0, R1
-	BEQ	2(PC)
-	BL	runtime·abort(SB)
-
-	MOVW	0(R13), m
-	MOVW	4(R13), g
-
-	// paranoia; check they are not nil
-	MOVW	0(m), R0
-	MOVW	0(g), R0
-
-	BL	runtime·emptyfunc(SB)	// fault if stack check is wrong
-
-	// Initialize m->procid to Linux tid
-	MOVW	$SYS_gettid, R7
-	SWI	$0
-	MOVW	R0, m_procid(m)
-
-	// Call fn
-	MOVW	8(R13), R0
-	MOVW	$16(R13), R13
-	BL	(R0)
-
-	MOVW	$0, R0
-	MOVW	R0, 4(R13)
-	BL	runtime·exit1(SB)
-
-	// It shouldn't return
-	MOVW	$1234, R0
-	MOVW	$1005, R1
-	MOVW	R0, (R1)
-
-TEXT runtime·sigaltstack(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	$SYS_sigaltstack, R7
-	SWI	$0
-	MOVW	$0xfffff001, R6
-	CMP 	R6, R0
-	MOVW.HI	$0, R8  // crash on syscall failure
-	MOVW.HI	R8, (R8)
-	RET
-
-TEXT runtime·sigtramp(SB),NOSPLIT,$24
-	// this might be called in external code context,
-	// where g and m are not set.
-	// first save R0, because runtime·load_gm will clobber it
-	MOVW	R0, 4(R13)
-	MOVB	runtime·iscgo(SB), R0
-	CMP 	$0, R0
-	BL.NE	runtime·load_gm(SB)
-
-	CMP 	$0, m
-	BNE 	4(PC)
-	// signal number is already prepared in 4(R13)
-	MOVW  	$runtime·badsignal(SB), R11
-	BL	(R11)
-	RET
-
-	// save g
-	MOVW	g, R3
-	MOVW	g, 20(R13)
-
-	// g = m->gsignal
-	MOVW	m_gsignal(m), g
-
-	// copy arguments for call to sighandler
-	// R0 is already saved above
-	MOVW	R1, 8(R13)
-	MOVW	R2, 12(R13)
-	MOVW	R3, 16(R13)
-
-	BL	runtime·sighandler(SB)
-
-	// restore g
-	MOVW	20(R13), g
-
-	RET
-
-TEXT runtime·rtsigprocmask(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	12(FP), R3
-	MOVW	$SYS_rt_sigprocmask, R7
-	SWI	$0
-	RET
-
-TEXT runtime·rt_sigaction(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	12(FP), R3
-	MOVW	$SYS_rt_sigaction, R7
-	SWI	$0
-	RET
-
-TEXT runtime·sigreturn(SB),NOSPLIT,$0
-	MOVW	$SYS_rt_sigreturn, R7
-	SWI	$0
-	RET
-
-TEXT runtime·usleep(SB),NOSPLIT,$12
-	MOVW	usec+0(FP), R0
-	MOVW	R0, R1
-	MOVW	$1000000, R2
-	DIV	R2, R0
-	MOD	R2, R1
-	MOVW	R0, 4(SP)
-	MOVW	R1, 8(SP)
-	MOVW	$0, R0
-	MOVW	$0, R1
-	MOVW	$0, R2
-	MOVW	$0, R3
-	MOVW	$4(SP), R4
-	MOVW	$SYS_select, R7
-	SWI	$0
-	RET
-
-// Use kernel version instead of native armcas in asm_arm.s.
-// See ../sync/atomic/asm_linux_arm.s for details.
-TEXT cas<>(SB),NOSPLIT,$0
-	MOVW	$0xffff0fc0, PC
-
-TEXT runtime·cas(SB),NOSPLIT,$0
-	MOVW	valptr+0(FP), R2
-	MOVW	old+4(FP), R0
-casagain:
-	MOVW	new+8(FP), R1
-	BL	cas<>(SB)
-	BCC	cascheck
-	MOVW	$1, R0
-	RET
-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
-
-TEXT runtime·casp(SB),NOSPLIT,$0
-	B	runtime·cas(SB)
-
-TEXT runtime·osyield(SB),NOSPLIT,$0
-	MOVW	$SYS_sched_yield, R7
-	SWI	$0
-	RET
-
-TEXT runtime·sched_getaffinity(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	$SYS_sched_getaffinity, R7
-	SWI	$0
-	RET
-
-// int32 runtime·epollcreate(int32 size)
-TEXT runtime·epollcreate(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	$SYS_epoll_create, R7
-	SWI	$0
-	RET
-
-// int32 runtime·epollcreate1(int32 flags)
-TEXT runtime·epollcreate1(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	$SYS_epoll_create1, R7
-	SWI	$0
-	RET
-
-// int32 runtime·epollctl(int32 epfd, int32 op, int32 fd, EpollEvent *ev)
-TEXT runtime·epollctl(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	12(FP), R3
-	MOVW	$SYS_epoll_ctl, R7
-	SWI	$0
-	RET
-
-// int32 runtime·epollwait(int32 epfd, EpollEvent *ev, int32 nev, int32 timeout)
-TEXT runtime·epollwait(SB),NOSPLIT,$0
-	MOVW	0(FP), R0
-	MOVW	4(FP), R1
-	MOVW	8(FP), R2
-	MOVW	12(FP), R3
-	MOVW	$SYS_epoll_wait, R7
-	SWI	$0
-	RET
-
-// void runtime·closeonexec(int32 fd)
-TEXT runtime·closeonexec(SB),NOSPLIT,$0
-	MOVW	0(FP), R0	// fd
-	MOVW	$2, R1	// F_SETFD
-	MOVW	$1, R2	// FD_CLOEXEC
-	MOVW	$SYS_fcntl, R7
-	SWI	$0
-	RET
-
-// b __kuser_get_tls @ 0xffff0fe0
-TEXT runtime·read_tls_fallback(SB),NOSPLIT,$-4
-	MOVW	$0xffff0fe0, R0
-	B	(R0)