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runtime: add symbolic constants for freebsd/386 syscalls

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Brings freebsd/386 on par with other OSes/archs.

Updates #53479

Change-Id: I16a7d051233e06e589b19919e68f07b6bf92f73c
Reviewed-on: https://go-review.googlesource.com/c/go/+/413365
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Dmitri Goutnik 2022-06-21 08:20:52 -05:00 committed by Gopher Robot
parent e1b62efaf3
commit 848febdcec
1 changed files with 71 additions and 35 deletions
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106
src/runtime/sys_freebsd_386.s
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@ -10,8 +10,44 @@
#include "go_tls.h"
#include "textflag.h"
#define CLOCK_REALTIME 0
#define CLOCK_MONOTONIC 4
#define FD_CLOEXEC 1
#define F_SETFD 2
#define SYS_exit 1
#define SYS_read 3
#define SYS_write 4
#define SYS_open 5
#define SYS_close 6
#define SYS_getpid 20
#define SYS_kill 37
#define SYS_sigaltstack 53
#define SYS_munmap 73
#define SYS_madvise 75
#define SYS_setitimer 83
#define SYS_fcntl 92
#define SYS_sysarch 165
#define SYS___sysctl 202
#define SYS_clock_gettime 232
#define SYS_nanosleep 240
#define SYS_sched_yield 331
#define SYS_sigprocmask 340
#define SYS_kqueue 362
#define SYS_kevent 363
#define SYS_sigaction 416
#define SYS_sigreturn 417
#define SYS_thr_exit 431
#define SYS_thr_self 432
#define SYS_thr_kill 433
#define SYS__umtx_op 454
#define SYS_thr_new 455
#define SYS_mmap 477
#define SYS_cpuset_getaffinity 487
#define SYS_pipe2 542
TEXT runtime·sys_umtx_op(SB),NOSPLIT,$-4
MOVL $454, AX
MOVL $SYS__umtx_op, AX
INT $0x80
JAE 2(PC)
NEGL AX
@ -19,7 +55,7 @@ TEXT runtime·sys_umtx_op(SB),NOSPLIT,$-4
RET
TEXT runtime·thr_new(SB),NOSPLIT,$-4
MOVL $455, AX
MOVL $SYS_thr_new, AX
INT $0x80
JAE 2(PC)
NEGL AX
@ -54,7 +90,7 @@ TEXT runtime·thr_start(SB),NOSPLIT,$0
// Exit the entire program (like C exit)
TEXT runtime·exit(SB),NOSPLIT,$-4
MOVL $1, AX
MOVL $SYS_exit, AX
INT $0x80
MOVL $0xf1, 0xf1 // crash
RET
@ -72,13 +108,13 @@ TEXT runtime·exitThread(SB),NOSPLIT,$0-4
// on the stack. We want to pass 0, so switch over to a fake
// stack of 0s. It won't write to the stack.
MOVL $exitStack<>(SB), SP
MOVL $431, AX // thr_exit
MOVL $SYS_thr_exit, AX
INT $0x80
MOVL $0xf1, 0xf1 // crash
JMP 0(PC)
TEXT runtime·open(SB),NOSPLIT,$-4
MOVL $5, AX
MOVL $SYS_open, AX
INT $0x80
JAE 2(PC)
MOVL $-1, AX
@ -86,7 +122,7 @@ TEXT runtime·open(SB),NOSPLIT,$-4
RET
TEXT runtime·closefd(SB),NOSPLIT,$-4
MOVL $6, AX
MOVL $SYS_close, AX
INT $0x80
JAE 2(PC)
MOVL $-1, AX
@ -94,7 +130,7 @@ TEXT runtime·closefd(SB),NOSPLIT,$-4
RET
TEXT runtime·read(SB),NOSPLIT,$-4
MOVL $3, AX
MOVL $SYS_read, AX
INT $0x80
JAE 2(PC)
NEGL AX // caller expects negative errno
@ -103,7 +139,7 @@ TEXT runtime·read(SB),NOSPLIT,$-4
// func pipe2(flags int32) (r, w int32, errno int32)
TEXT runtime·pipe2(SB),NOSPLIT,$12-16
MOVL $542, AX
MOVL $SYS_pipe2, AX
LEAL r+4(FP), BX
MOVL BX, 4(SP)
MOVL flags+0(FP), BX
@ -115,7 +151,7 @@ TEXT runtime·pipe2(SB),NOSPLIT,$12-16
RET
TEXT runtime·write1(SB),NOSPLIT,$-4
MOVL $4, AX
MOVL $SYS_write, AX
INT $0x80
JAE 2(PC)
NEGL AX // caller expects negative errno
@ -126,25 +162,25 @@ TEXT runtime·thr_self(SB),NOSPLIT,$8-4
// thr_self(&0(FP))
LEAL ret+0(FP), AX
MOVL AX, 4(SP)
MOVL $432, AX
MOVL $SYS_thr_self, AX
INT $0x80
RET
TEXT runtime·thr_kill(SB),NOSPLIT,$-4
// thr_kill(tid, sig)
MOVL $433, AX
MOVL $SYS_thr_kill, AX
INT $0x80
RET
TEXT runtime·raiseproc(SB),NOSPLIT,$16
// getpid
MOVL $20, AX
MOVL $SYS_getpid, AX
INT $0x80
// kill(self, sig)
MOVL AX, 4(SP)
MOVL sig+0(FP), AX
MOVL AX, 8(SP)
MOVL $37, AX
MOVL $SYS_kill, AX
INT $0x80
RET
@ -160,7 +196,7 @@ TEXT runtime·mmap(SB),NOSPLIT,$32
MOVSL
MOVL $0, AX // top 32 bits of file offset
STOSL
MOVL $477, AX
MOVL $SYS_mmap, AX
INT $0x80
JAE ok
MOVL $0, p+24(FP)
@ -172,14 +208,14 @@ ok:
RET
TEXT runtime·munmap(SB),NOSPLIT,$-4
MOVL $73, AX
MOVL $SYS_munmap, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
RET
TEXT runtime·madvise(SB),NOSPLIT,$-4
MOVL $75, AX // madvise
MOVL $SYS_madvise, AX
INT $0x80
JAE 2(PC)
MOVL $-1, AX
@ -187,15 +223,15 @@ TEXT runtime·madvise(SB),NOSPLIT,$-4
RET
TEXT runtime·setitimer(SB), NOSPLIT, $-4
MOVL $83, AX
MOVL $SYS_setitimer, AX
INT $0x80
RET
// func fallback_walltime() (sec int64, nsec int32)
TEXT runtime·fallback_walltime(SB), NOSPLIT, $32-12
MOVL $232, AX // clock_gettime
MOVL $SYS_clock_gettime, AX
LEAL 12(SP), BX
MOVL $0, 4(SP) // CLOCK_REALTIME
MOVL $CLOCK_REALTIME, 4(SP)
MOVL BX, 8(SP)
INT $0x80
MOVL 12(SP), AX // sec
@ -209,9 +245,9 @@ TEXT runtime·fallback_walltime(SB), NOSPLIT, $32-12
// func fallback_nanotime() int64
TEXT runtime·fallback_nanotime(SB), NOSPLIT, $32-8
MOVL $232, AX
MOVL $SYS_clock_gettime, AX
LEAL 12(SP), BX
MOVL $4, 4(SP) // CLOCK_MONOTONIC
MOVL $CLOCK_MONOTONIC, 4(SP)
MOVL BX, 8(SP)
INT $0x80
MOVL 12(SP), AX // sec
@ -230,7 +266,7 @@ TEXT runtime·fallback_nanotime(SB), NOSPLIT, $32-8
TEXT runtime·asmSigaction(SB),NOSPLIT,$-4
MOVL $416, AX
MOVL $SYS_sigaction, AX
INT $0x80
MOVL AX, ret+12(FP)
RET
@ -267,13 +303,13 @@ TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$12
MOVL 24(SP), AX // context
MOVL $0, 0(SP) // syscall gap
MOVL AX, 4(SP)
MOVL $417, AX // sigreturn(ucontext)
MOVL $SYS_sigreturn, AX
INT $0x80
MOVL $0xf1, 0xf1 // crash
RET
TEXT runtime·sigaltstack(SB),NOSPLIT,$0
MOVL $53, AX
MOVL $SYS_sigaltstack, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
@ -293,7 +329,7 @@ TEXT runtime·usleep(SB),NOSPLIT,$20
LEAL 12(SP), AX
MOVL AX, 4(SP) // arg 1 - rqtp
MOVL $0, 8(SP) // arg 2 - rmtp
MOVL $240, AX // sys_nanosleep
MOVL $SYS_nanosleep, AX
INT $0x80
RET
@ -352,7 +388,7 @@ TEXT i386_set_ldt<>(SB),NOSPLIT,$16
MOVL $0, 0(SP) // syscall gap
MOVL $1, 4(SP)
MOVL AX, 8(SP)
MOVL $165, AX
MOVL $SYS_sysarch, AX
INT $0x80
JAE 2(PC)
INT $3
@ -368,7 +404,7 @@ TEXT runtime·sysctl(SB),NOSPLIT,$28
MOVSL // arg 4 - oldlenp
MOVSL // arg 5 - newp
MOVSL // arg 6 - newlen
MOVL $202, AX // sys___sysctl
MOVL $SYS___sysctl, AX
INT $0x80
JAE 4(PC)
NEGL AX
@ -379,7 +415,7 @@ TEXT runtime·sysctl(SB),NOSPLIT,$28
RET
TEXT runtime·osyield(SB),NOSPLIT,$-4
MOVL $331, AX // sys_sched_yield
MOVL $SYS_sched_yield, AX
INT $0x80
RET
@ -391,7 +427,7 @@ TEXT runtime·sigprocmask(SB),NOSPLIT,$16
MOVL AX, 8(SP) // arg 2 - set
MOVL old+8(FP), AX
MOVL AX, 12(SP) // arg 3 - oset
MOVL $340, AX // sys_sigprocmask
MOVL $SYS_sigprocmask, AX
INT $0x80
JAE 2(PC)
MOVL $0xf1, 0xf1 // crash
@ -399,7 +435,7 @@ TEXT runtime·sigprocmask(SB),NOSPLIT,$16
// int32 runtime·kqueue(void);
TEXT runtime·kqueue(SB),NOSPLIT,$0
MOVL $362, AX
MOVL $SYS_kqueue, AX
INT $0x80
JAE 2(PC)
NEGL AX
@ -408,7 +444,7 @@ TEXT runtime·kqueue(SB),NOSPLIT,$0
// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
TEXT runtime·kevent(SB),NOSPLIT,$0
MOVL $363, AX
MOVL $SYS_kevent, AX
INT $0x80
JAE 2(PC)
NEGL AX
@ -417,12 +453,12 @@ TEXT runtime·kevent(SB),NOSPLIT,$0
// int32 runtime·closeonexec(int32 fd);
TEXT runtime·closeonexec(SB),NOSPLIT,$32
MOVL $92, AX // fcntl
MOVL $SYS_fcntl, AX
// 0(SP) is where the caller PC would be; kernel skips it
MOVL fd+0(FP), BX
MOVL BX, 4(SP) // fd
MOVL $2, 8(SP) // F_SETFD
MOVL $1, 12(SP) // FD_CLOEXEC
MOVL $F_SETFD, 8(SP)
MOVL $FD_CLOEXEC, 12(SP)
INT $0x80
JAE 2(PC)
NEGL AX
@ -430,7 +466,7 @@ TEXT runtime·closeonexec(SB),NOSPLIT,$32
// func cpuset_getaffinity(level int, which int, id int64, size int, mask *byte) int32
TEXT runtime·cpuset_getaffinity(SB), NOSPLIT, $0-28
MOVL $487, AX
MOVL $SYS_cpuset_getaffinity, AX
INT $0x80
JAE 2(PC)
NEGL AX