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https://github.com/golang/go
synced 2024-09-29 16:24:28 -06:00
runtime, syscall: add support for dragonfly/386
Add runtime and syscall support for dragonfly/386. R=golang-dev, iant CC=golang-dev https://golang.org/cl/13237051
This commit is contained in:
Joel Sing
Ian Lance Taylor
parent
f6f02a69ae
commit
465ba6b78c
198
src/pkg/runtime/defs_dragonfly_386.h
Normal file
198
src/pkg/runtime/defs_dragonfly_386.h
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@ -0,0 +1,198 @@
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// Created by cgo -cdefs - DO NOT EDIT
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// cgo -cdefs defs_dragonfly.go
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enum {
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EINTR = 0x4,
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EFAULT = 0xe,
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EBUSY = 0x10,
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EAGAIN = 0x23,
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PROT_NONE = 0x0,
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PROT_READ = 0x1,
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PROT_WRITE = 0x2,
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PROT_EXEC = 0x4,
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MAP_ANON = 0x1000,
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MAP_PRIVATE = 0x2,
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MAP_FIXED = 0x10,
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MADV_FREE = 0x5,
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SA_SIGINFO = 0x40,
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SA_RESTART = 0x2,
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SA_ONSTACK = 0x1,
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SIGHUP = 0x1,
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SIGINT = 0x2,
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SIGQUIT = 0x3,
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SIGILL = 0x4,
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SIGTRAP = 0x5,
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SIGABRT = 0x6,
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SIGEMT = 0x7,
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SIGFPE = 0x8,
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SIGKILL = 0x9,
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SIGBUS = 0xa,
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SIGSEGV = 0xb,
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SIGSYS = 0xc,
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SIGPIPE = 0xd,
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SIGALRM = 0xe,
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SIGTERM = 0xf,
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SIGURG = 0x10,
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SIGSTOP = 0x11,
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SIGTSTP = 0x12,
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SIGCONT = 0x13,
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SIGCHLD = 0x14,
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SIGTTIN = 0x15,
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SIGTTOU = 0x16,
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SIGIO = 0x17,
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SIGXCPU = 0x18,
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SIGXFSZ = 0x19,
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SIGVTALRM = 0x1a,
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SIGPROF = 0x1b,
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SIGWINCH = 0x1c,
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SIGINFO = 0x1d,
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SIGUSR1 = 0x1e,
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SIGUSR2 = 0x1f,
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FPE_INTDIV = 0x2,
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FPE_INTOVF = 0x1,
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FPE_FLTDIV = 0x3,
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FPE_FLTOVF = 0x4,
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FPE_FLTUND = 0x5,
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FPE_FLTRES = 0x6,
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FPE_FLTINV = 0x7,
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FPE_FLTSUB = 0x8,
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BUS_ADRALN = 0x1,
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BUS_ADRERR = 0x2,
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BUS_OBJERR = 0x3,
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SEGV_MAPERR = 0x1,
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SEGV_ACCERR = 0x2,
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ITIMER_REAL = 0x0,
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ITIMER_VIRTUAL = 0x1,
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ITIMER_PROF = 0x2,
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EV_ADD = 0x1,
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EV_DELETE = 0x2,
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EV_CLEAR = 0x20,
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EV_ERROR = 0x4000,
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EVFILT_READ = -0x1,
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EVFILT_WRITE = -0x2,
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};
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typedef struct Rtprio Rtprio;
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typedef struct Lwpparams Lwpparams;
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typedef struct Sigaltstack Sigaltstack;
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typedef struct Sigset Sigset;
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typedef struct StackT StackT;
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typedef struct Siginfo Siginfo;
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typedef struct Mcontext Mcontext;
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typedef struct Ucontext Ucontext;
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typedef struct Timespec Timespec;
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typedef struct Timeval Timeval;
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typedef struct Itimerval Itimerval;
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typedef struct Kevent Kevent;
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#pragma pack on
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struct Rtprio {
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uint16 type;
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uint16 prio;
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};
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struct Lwpparams {
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void *func;
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byte *arg;
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byte *stack;
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int32 *tid1;
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int32 *tid2;
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};
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struct Sigaltstack {
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int8 *ss_sp;
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uint32 ss_size;
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int32 ss_flags;
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};
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struct Sigset {
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uint32 __bits[4];
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};
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struct StackT {
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int8 *ss_sp;
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uint32 ss_size;
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int32 ss_flags;
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};
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struct Siginfo {
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int32 si_signo;
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int32 si_errno;
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int32 si_code;
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int32 si_pid;
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uint32 si_uid;
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int32 si_status;
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byte *si_addr;
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byte si_value[4];
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int32 si_band;
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int32 __spare__[7];
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};
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struct Mcontext {
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int32 mc_onstack;
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int32 mc_gs;
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int32 mc_fs;
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int32 mc_es;
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int32 mc_ds;
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int32 mc_edi;
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int32 mc_esi;
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int32 mc_ebp;
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int32 mc_isp;
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int32 mc_ebx;
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int32 mc_edx;
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int32 mc_ecx;
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int32 mc_eax;
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int32 mc_xflags;
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int32 mc_trapno;
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int32 mc_err;
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int32 mc_eip;
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int32 mc_cs;
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int32 mc_eflags;
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int32 mc_esp;
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int32 mc_ss;
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int32 mc_len;
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int32 mc_fpformat;
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int32 mc_ownedfp;
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int32 mc_fpregs[128];
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int32 __spare__[16];
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};
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struct Ucontext {
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Sigset uc_sigmask;
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Mcontext uc_mcontext;
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Ucontext *uc_link;
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StackT uc_stack;
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int32 __spare__[8];
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};
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struct Timespec {
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int32 tv_sec;
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int32 tv_nsec;
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};
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struct Timeval {
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int32 tv_sec;
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int32 tv_usec;
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};
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struct Itimerval {
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Timeval it_interval;
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Timeval it_value;
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};
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struct Kevent {
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uint32 ident;
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int16 filter;
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uint16 flags;
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uint32 fflags;
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int32 data;
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byte *udata;
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};
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#pragma pack off
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16
src/pkg/runtime/rt0_dragonfly_386.s
Normal file
16
src/pkg/runtime/rt0_dragonfly_386.s
Normal file
@ -0,0 +1,16 @@
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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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#include "../../cmd/ld/textflag.h"
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TEXT _rt0_386_dragonfly(SB),NOSPLIT,$8
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MOVL 8(SP), AX
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LEAL 12(SP), BX
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MOVL AX, 0(SP)
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MOVL BX, 4(SP)
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CALL main(SB)
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INT $3
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TEXT main(SB),NOSPLIT,$0
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JMP _rt0_go(SB)
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23
src/pkg/runtime/signal_dragonfly_386.h
Normal file
23
src/pkg/runtime/signal_dragonfly_386.h
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@ -0,0 +1,23 @@
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// Copyright 2013 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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#define SIG_REGS(ctxt) (((Ucontext*)(ctxt))->uc_mcontext)
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#define SIG_EAX(info, ctxt) (SIG_REGS(ctxt).mc_eax)
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#define SIG_EBX(info, ctxt) (SIG_REGS(ctxt).mc_ebx)
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#define SIG_ECX(info, ctxt) (SIG_REGS(ctxt).mc_ecx)
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#define SIG_EDX(info, ctxt) (SIG_REGS(ctxt).mc_edx)
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#define SIG_EDI(info, ctxt) (SIG_REGS(ctxt).mc_edi)
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#define SIG_ESI(info, ctxt) (SIG_REGS(ctxt).mc_esi)
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#define SIG_EBP(info, ctxt) (SIG_REGS(ctxt).mc_ebp)
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#define SIG_ESP(info, ctxt) (SIG_REGS(ctxt).mc_esp)
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#define SIG_EIP(info, ctxt) (SIG_REGS(ctxt).mc_eip)
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#define SIG_EFLAGS(info, ctxt) (SIG_REGS(ctxt).mc_eflags)
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#define SIG_CS(info, ctxt) (SIG_REGS(ctxt).mc_cs)
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#define SIG_FS(info, ctxt) (SIG_REGS(ctxt).mc_fs)
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#define SIG_GS(info, ctxt) (SIG_REGS(ctxt).mc_gs)
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#define SIG_CODE0(info, ctxt) ((info)->si_code)
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#define SIG_CODE1(info, ctxt) ((uintptr)(info)->si_addr)
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369
src/pkg/runtime/sys_dragonfly_386.s
Normal file
369
src/pkg/runtime/sys_dragonfly_386.s
Normal file
@ -0,0 +1,369 @@
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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 386, FreeBSD
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// /usr/src/sys/kern/syscalls.master for syscall numbers.
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//
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#include "zasm_GOOS_GOARCH.h"
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#include "../../cmd/ld/textflag.h"
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TEXT runtime·sys_umtx_sleep(SB),NOSPLIT,$-4
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MOVL $469, AX // umtx_sleep
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INT $0x80
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JAE 2(PC)
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NEGL AX
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RET
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TEXT runtime·sys_umtx_wakeup(SB),NOSPLIT,$-4
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MOVL $470, AX // umtx_wakeup
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INT $0x80
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JAE 2(PC)
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NEGL AX
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RET
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TEXT runtime·lwp_create(SB),NOSPLIT,$-4
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MOVL $495, AX // lwp_create
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INT $0x80
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RET
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TEXT runtime·lwp_start(SB),NOSPLIT,$0
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// Set GS to point at m->tls.
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MOVL mm+0(FP), BX
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MOVL m_g0(BX), DX
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LEAL m_tls(BX), BP
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PUSHAL
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PUSHL BP
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CALL runtime·settls(SB)
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POPL AX
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POPAL
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// Now segment is established. Initialize m, g.
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get_tls(CX)
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MOVL BX, m(CX)
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MOVL DX, g(CX)
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CALL runtime·stackcheck(SB) // smashes AX, CX
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MOVL 0(DX), DX // paranoia; check they are not nil
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MOVL 0(BX), BX
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// More paranoia; check that stack splitting code works.
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PUSHAL
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CALL runtime·emptyfunc(SB)
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POPAL
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CALL runtime·mstart(SB)
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CALL runtime·exit1(SB)
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MOVL $0x1234, 0x1005
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RET
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// Exit the entire program (like C exit)
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TEXT runtime·exit(SB),NOSPLIT,$-4
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MOVL $1, AX
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INT $0x80
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MOVL $0xf1, 0xf1 // crash
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RET
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TEXT runtime·exit1(SB),NOSPLIT,$16
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MOVL $0, 0(SP) // syscall gap
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MOVL $0x10000, 4(SP) // arg 1 - how (EXTEXIT_LWP)
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MOVL $0, 8(SP) // arg 2 - status
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MOVL $0, 12(SP) // arg 3 - addr
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MOVL $494, AX
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INT $0x80
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JAE 2(PC)
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MOVL $0xf1, 0xf1 // crash
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RET
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TEXT runtime·open(SB),NOSPLIT,$-4
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MOVL $5, AX
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INT $0x80
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RET
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TEXT runtime·close(SB),NOSPLIT,$-4
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MOVL $6, AX
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INT $0x80
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RET
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TEXT runtime·read(SB),NOSPLIT,$-4
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MOVL $3, AX
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INT $0x80
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RET
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TEXT runtime·write(SB),NOSPLIT,$-4
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MOVL $4, AX
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INT $0x80
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RET
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TEXT runtime·getrlimit(SB),NOSPLIT,$-4
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MOVL $194, AX
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INT $0x80
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RET
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TEXT runtime·raise(SB),NOSPLIT,$16
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MOVL $496, AX // lwp_gettid
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INT $0x80
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MOVL $0, 0(SP)
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MOVL $-1, 4(SP) // arg 1 - pid
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MOVL AX, 8(SP) // arg 2 - tid
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MOVL sig+0(FP), AX
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MOVL AX, 8(SP) // arg 3 - signum
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MOVL $497, AX // lwp_kill
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INT $0x80
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RET
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TEXT runtime·mmap(SB),NOSPLIT,$36
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LEAL arg0+0(FP), SI
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LEAL 4(SP), DI
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CLD
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MOVSL // arg 1 - addr
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MOVSL // arg 2 - len
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MOVSL // arg 3 - prot
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MOVSL // arg 4 - flags
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MOVSL // arg 5 - fd
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MOVL $0, AX
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STOSL // arg 6 - pad
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MOVSL // arg 7 - offset
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MOVL $0, AX // top 32 bits of file offset
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STOSL
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MOVL $197, AX // sys_mmap
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INT $0x80
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RET
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TEXT runtime·munmap(SB),NOSPLIT,$-4
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MOVL $73, AX
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INT $0x80
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JAE 2(PC)
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MOVL $0xf1, 0xf1 // crash
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RET
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TEXT runtime·madvise(SB),NOSPLIT,$-4
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MOVL $75, AX // madvise
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INT $0x80
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// ignore failure - maybe pages are locked
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RET
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TEXT runtime·setitimer(SB), NOSPLIT, $-4
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MOVL $83, AX
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INT $0x80
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RET
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// func now() (sec int64, nsec int32)
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TEXT time·now(SB), NOSPLIT, $32
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MOVL $232, AX
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LEAL 12(SP), BX
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MOVL $0, 4(SP)
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MOVL BX, 8(SP)
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INT $0x80
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MOVL 12(SP), AX // sec
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MOVL 16(SP), BX // nsec
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// sec is in AX, nsec in BX
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MOVL AX, sec+0(FP)
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MOVL $0, sec+4(FP)
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MOVL BX, nsec+8(FP)
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RET
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// int64 nanotime(void) so really
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// void nanotime(int64 *nsec)
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TEXT runtime·nanotime(SB), NOSPLIT, $32
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MOVL $232, AX
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LEAL 12(SP), BX
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MOVL $0, 4(SP)
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MOVL BX, 8(SP)
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INT $0x80
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MOVL 12(SP), AX // sec
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MOVL 16(SP), BX // nsec
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// sec is in AX, nsec in BX
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// convert to DX:AX nsec
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MOVL $1000000000, CX
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MULL CX
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ADDL BX, AX
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ADCL $0, DX
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MOVL ret+0(FP), DI
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MOVL AX, 0(DI)
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MOVL DX, 4(DI)
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RET
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TEXT runtime·sigaction(SB),NOSPLIT,$-4
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MOVL $342, AX
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INT $0x80
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JAE 2(PC)
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MOVL $0xf1, 0xf1 // crash
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RET
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TEXT runtime·sigtramp(SB),NOSPLIT,$44
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get_tls(CX)
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// check that m exists
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MOVL m(CX), BX
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CMPL BX, $0
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JNE 6(PC)
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MOVL signo+0(FP), BX
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MOVL BX, 0(SP)
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MOVL $runtime·badsignal(SB), AX
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CALL AX
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JMP sigtramp_ret
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// save g
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MOVL g(CX), DI
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MOVL DI, 20(SP)
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// g = m->gsignal
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MOVL m_gsignal(BX), BX
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MOVL BX, g(CX)
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// copy arguments for call to sighandler
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MOVL signo+0(FP), BX
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MOVL BX, 0(SP)
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MOVL info+4(FP), BX
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MOVL BX, 4(SP)
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MOVL context+8(FP), BX
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MOVL BX, 8(SP)
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MOVL DI, 12(SP)
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CALL runtime·sighandler(SB)
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// restore g
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get_tls(CX)
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MOVL 20(SP), BX
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MOVL BX, g(CX)
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sigtramp_ret:
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// call sigreturn
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MOVL context+8(FP), AX
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MOVL $0, 0(SP) // syscall gap
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MOVL AX, 4(SP)
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MOVL $344, AX // sigreturn(ucontext)
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INT $0x80
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MOVL $0xf1, 0xf1 // crash
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RET
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TEXT runtime·sigaltstack(SB),NOSPLIT,$0
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MOVL $53, AX
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INT $0x80
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JAE 2(PC)
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MOVL $0xf1, 0xf1 // crash
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RET
|
||||
|
||||
TEXT runtime·usleep(SB),NOSPLIT,$20
|
||||
MOVL $0, DX
|
||||
MOVL usec+0(FP), AX
|
||||
MOVL $1000000, CX
|
||||
DIVL CX
|
||||
MOVL AX, 12(SP) // tv_sec
|
||||
MOVL $1000, AX
|
||||
MULL DX
|
||||
MOVL AX, 16(SP) // tv_nsec
|
||||
|
||||
MOVL $0, 0(SP)
|
||||
LEAL 12(SP), AX
|
||||
MOVL AX, 4(SP) // arg 1 - rqtp
|
||||
MOVL $0, 8(SP) // arg 2 - rmtp
|
||||
MOVL $240, AX // sys_nanosleep
|
||||
INT $0x80
|
||||
RET
|
||||
|
||||
TEXT runtime·setldt(SB),NOSPLIT,$4
|
||||
// Under DragonFly we set the GS base instead of messing with the LDT.
|
||||
MOVL tls0+4(FP), AX
|
||||
MOVL AX, 0(SP)
|
||||
CALL runtime·settls(SB)
|
||||
RET
|
||||
|
||||
TEXT runtime·settls(SB),NOSPLIT,$24
|
||||
// adjust for ELF: wants to use -8(GS) and -4(GS) for g and m
|
||||
MOVL tlsbase+0(FP), CX
|
||||
ADDL $8, CX
|
||||
|
||||
// Set up a struct tls_info - a size of -1 maps the whole address
|
||||
// space and is required for direct-tls access of variable data
|
||||
// via negative offsets.
|
||||
LEAL 16(SP), BX
|
||||
MOVL CX, 16(SP) // base
|
||||
MOVL $-1, 20(SP) // size
|
||||
|
||||
// set_tls_area returns the descriptor that needs to be loaded into GS.
|
||||
MOVL $0, 0(SP) // syscall gap
|
||||
MOVL $0, 4(SP) // arg 1 - which
|
||||
MOVL BX, 8(SP) // arg 2 - tls_info
|
||||
MOVL $8, 12(SP) // arg 3 - infosize
|
||||
MOVL $472, AX // set_tls_area
|
||||
INT $0x80
|
||||
JCC 2(PC)
|
||||
MOVL $0xf1, 0xf1 // crash
|
||||
MOVW AX, GS
|
||||
RET
|
||||
|
||||
TEXT runtime·sysctl(SB),NOSPLIT,$28
|
||||
LEAL arg0+0(FP), SI
|
||||
LEAL 4(SP), DI
|
||||
CLD
|
||||
MOVSL // arg 1 - name
|
||||
MOVSL // arg 2 - namelen
|
||||
MOVSL // arg 3 - oldp
|
||||
MOVSL // arg 4 - oldlenp
|
||||
MOVSL // arg 5 - newp
|
||||
MOVSL // arg 6 - newlen
|
||||
MOVL $202, AX // sys___sysctl
|
||||
INT $0x80
|
||||
JCC 3(PC)
|
||||
NEGL AX
|
||||
RET
|
||||
MOVL $0, AX
|
||||
RET
|
||||
|
||||
TEXT runtime·osyield(SB),NOSPLIT,$-4
|
||||
MOVL $331, AX // sys_sched_yield
|
||||
INT $0x80
|
||||
RET
|
||||
|
||||
TEXT runtime·sigprocmask(SB),NOSPLIT,$16
|
||||
MOVL $0, 0(SP) // syscall gap
|
||||
MOVL $3, 4(SP) // arg 1 - how (SIG_SETMASK)
|
||||
MOVL args+0(FP), AX
|
||||
MOVL AX, 8(SP) // arg 2 - set
|
||||
MOVL args+4(FP), AX
|
||||
MOVL AX, 12(SP) // arg 3 - oset
|
||||
MOVL $340, AX // sys_sigprocmask
|
||||
INT $0x80
|
||||
JAE 2(PC)
|
||||
MOVL $0xf1, 0xf1 // crash
|
||||
RET
|
||||
|
||||
// int32 runtime·kqueue(void);
|
||||
TEXT runtime·kqueue(SB),NOSPLIT,$0
|
||||
MOVL $362, AX
|
||||
INT $0x80
|
||||
JAE 2(PC)
|
||||
NEGL AX
|
||||
RET
|
||||
|
||||
// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
|
||||
TEXT runtime·kevent(SB),NOSPLIT,$0
|
||||
MOVL $363, AX
|
||||
INT $0x80
|
||||
JAE 2(PC)
|
||||
NEGL AX
|
||||
RET
|
||||
|
||||
// int32 runtime·closeonexec(int32 fd);
|
||||
TEXT runtime·closeonexec(SB),NOSPLIT,$32
|
||||
MOVL $92, AX // fcntl
|
||||
// 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
|
||||
INT $0x80
|
||||
JAE 2(PC)
|
||||
NEGL AX
|
||||
RET
|
||||
|
||||
GLOBL runtime·tlsoffset(SB),$4
|
||||
139
src/pkg/syscall/asm_dragonfly_386.s
Normal file
139
src/pkg/syscall/asm_dragonfly_386.s
Normal file
@ -0,0 +1,139 @@
|
||||
// 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.
|
||||
|
||||
#include "../../cmd/ld/textflag.h"
|
||||
|
||||
//
|
||||
// System call support for 386, FreeBSD
|
||||
//
|
||||
|
||||
// func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32);
|
||||
// func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32);
|
||||
// Trap # in AX, args on stack above caller pc.
|
||||
|
||||
TEXT ·Syscall(SB),NOSPLIT,$0-32
|
||||
CALL runtime·entersyscall(SB)
|
||||
MOVL 4(SP), AX // syscall entry
|
||||
// slide args down on top of system call number
|
||||
LEAL 8(SP), SI
|
||||
LEAL 4(SP), DI
|
||||
CLD
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
INT $0x80
|
||||
JAE ok
|
||||
MOVL $-1, 20(SP) // r1
|
||||
MOVL $-1, 24(SP) // r2
|
||||
MOVL AX, 28(SP) // errno
|
||||
CALL runtime·exitsyscall(SB)
|
||||
RET
|
||||
ok:
|
||||
MOVL AX, 20(SP) // r1
|
||||
MOVL DX, 24(SP) // r2
|
||||
MOVL $0, 28(SP) // errno
|
||||
CALL runtime·exitsyscall(SB)
|
||||
RET
|
||||
|
||||
TEXT ·Syscall6(SB),NOSPLIT,$0-44
|
||||
CALL runtime·entersyscall(SB)
|
||||
MOVL 4(SP), AX // syscall entry
|
||||
// slide args down on top of system call number
|
||||
LEAL 8(SP), SI
|
||||
LEAL 4(SP), DI
|
||||
CLD
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
INT $0x80
|
||||
JAE ok6
|
||||
MOVL $-1, 32(SP) // r1
|
||||
MOVL $-1, 36(SP) // r2
|
||||
MOVL AX, 40(SP) // errno
|
||||
CALL runtime·exitsyscall(SB)
|
||||
RET
|
||||
ok6:
|
||||
MOVL AX, 32(SP) // r1
|
||||
MOVL DX, 36(SP) // r2
|
||||
MOVL $0, 40(SP) // errno
|
||||
CALL runtime·exitsyscall(SB)
|
||||
RET
|
||||
|
||||
TEXT ·Syscall9(SB),NOSPLIT,$0-56
|
||||
CALL runtime·entersyscall(SB)
|
||||
MOVL 4(SP), AX // syscall entry
|
||||
// slide args down on top of system call number
|
||||
LEAL 8(SP), SI
|
||||
LEAL 4(SP), DI
|
||||
CLD
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
INT $0x80
|
||||
JAE ok9
|
||||
MOVL $-1, 44(SP) // r1
|
||||
MOVL $-1, 48(SP) // r2
|
||||
MOVL AX, 52(SP) // errno
|
||||
CALL runtime·exitsyscall(SB)
|
||||
RET
|
||||
ok9:
|
||||
MOVL AX, 44(SP) // r1
|
||||
MOVL DX, 48(SP) // r2
|
||||
MOVL $0, 52(SP) // errno
|
||||
CALL runtime·exitsyscall(SB)
|
||||
RET
|
||||
|
||||
TEXT ·RawSyscall(SB),NOSPLIT,$0-32
|
||||
MOVL 4(SP), AX // syscall entry
|
||||
// slide args down on top of system call number
|
||||
LEAL 8(SP), SI
|
||||
LEAL 4(SP), DI
|
||||
CLD
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
INT $0x80
|
||||
JAE ok1
|
||||
MOVL $-1, 20(SP) // r1
|
||||
MOVL $-1, 24(SP) // r2
|
||||
MOVL AX, 28(SP) // errno
|
||||
RET
|
||||
ok1:
|
||||
MOVL AX, 20(SP) // r1
|
||||
MOVL DX, 24(SP) // r2
|
||||
MOVL $0, 28(SP) // errno
|
||||
RET
|
||||
|
||||
TEXT ·RawSyscall6(SB),NOSPLIT,$0-44
|
||||
MOVL 4(SP), AX // syscall entry
|
||||
// slide args down on top of system call number
|
||||
LEAL 8(SP), SI
|
||||
LEAL 4(SP), DI
|
||||
CLD
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
MOVSL
|
||||
INT $0x80
|
||||
JAE ok2
|
||||
MOVL $-1, 32(SP) // r1
|
||||
MOVL $-1, 36(SP) // r2
|
||||
MOVL AX, 40(SP) // errno
|
||||
RET
|
||||
ok2:
|
||||
MOVL AX, 32(SP) // r1
|
||||
MOVL DX, 36(SP) // r2
|
||||
MOVL $0, 40(SP) // errno
|
||||
RET
|
||||
@ -121,6 +121,12 @@ darwin_amd64)
|
||||
mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
|
||||
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
||||
;;
|
||||
dragonfly_386)
|
||||
mkerrors="$mkerrors -m32"
|
||||
mksyscall="./mksyscall.pl -l32 -dragonfly"
|
||||
mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
|
||||
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
|
||||
;;
|
||||
dragonfly_amd64)
|
||||
mkerrors="$mkerrors -m64"
|
||||
mksyscall="./mksyscall.pl -dragonfly"
|
||||
|
||||
58
src/pkg/syscall/syscall_dragonfly_386.go
Normal file
58
src/pkg/syscall/syscall_dragonfly_386.go
Normal file
@ -0,0 +1,58 @@
|
||||
// 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.
|
||||
|
||||
package syscall
|
||||
|
||||
import "unsafe"
|
||||
|
||||
func Getpagesize() int { return 4096 }
|
||||
|
||||
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
|
||||
|
||||
func NsecToTimespec(nsec int64) (ts Timespec) {
|
||||
ts.Sec = int32(nsec / 1e9)
|
||||
ts.Nsec = int32(nsec % 1e9)
|
||||
return
|
||||
}
|
||||
|
||||
func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
|
||||
|
||||
func NsecToTimeval(nsec int64) (tv Timeval) {
|
||||
nsec += 999 // round up to microsecond
|
||||
tv.Usec = int32(nsec % 1e9 / 1e3)
|
||||
tv.Sec = int32(nsec / 1e9)
|
||||
return
|
||||
}
|
||||
|
||||
func SetKevent(k *Kevent_t, fd, mode, flags int) {
|
||||
k.Ident = uint32(fd)
|
||||
k.Filter = int16(mode)
|
||||
k.Flags = uint16(flags)
|
||||
}
|
||||
|
||||
func (iov *Iovec) SetLen(length int) {
|
||||
iov.Len = uint32(length)
|
||||
}
|
||||
|
||||
func (msghdr *Msghdr) SetControllen(length int) {
|
||||
msghdr.Controllen = uint32(length)
|
||||
}
|
||||
|
||||
func (cmsg *Cmsghdr) SetLen(length int) {
|
||||
cmsg.Len = uint32(length)
|
||||
}
|
||||
|
||||
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
|
||||
var writtenOut uint64 = 0
|
||||
_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0)
|
||||
|
||||
written = int(writtenOut)
|
||||
|
||||
if e1 != 0 {
|
||||
err = e1
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic
|
||||
Loading…
Reference in New Issue
Block a user