diff options
author | Wei Guangjing <vcc.163@gmail.com> | 2011-06-29 17:37:56 +1000 |
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committer | Alex Brainman <alex.brainman@gmail.com> | 2011-06-29 17:37:56 +1000 |
commit | f83609f642fc995a48de3ed8742c12ee4779d3a4 (patch) | |
tree | b288617d048b870125ecc674c626f95831348dad | |
parent | 83550f0728fa8e2d4be1dd1d2b17a7cedb726c8f (diff) | |
download | go-f83609f642fc995a48de3ed8742c12ee4779d3a4.tar.gz go-f83609f642fc995a48de3ed8742c12ee4779d3a4.zip |
runtime: windows/amd64 port
R=rsc, alex.brainman, hectorchu, r
CC=golang-dev
https://golang.org/cl/3759042
-rwxr-xr-x | src/pkg/runtime/cgo/windows_amd64.c | 18 | ||||
-rwxr-xr-x | src/pkg/runtime/mkasmh.sh | 25 | ||||
-rw-r--r-- | src/pkg/runtime/proc.c | 2 | ||||
-rw-r--r-- | src/pkg/runtime/runtime.h | 5 | ||||
-rw-r--r-- | src/pkg/runtime/windows/amd64/defs.h | 40 | ||||
-rw-r--r-- | src/pkg/runtime/windows/amd64/rt0.s | 10 | ||||
-rw-r--r-- | src/pkg/runtime/windows/amd64/signal.c | 20 | ||||
-rw-r--r-- | src/pkg/runtime/windows/amd64/sys.s | 129 | ||||
-rw-r--r-- | src/pkg/runtime/windows/thread.c | 2 |
9 files changed, 237 insertions, 14 deletions
diff --git a/src/pkg/runtime/cgo/windows_amd64.c b/src/pkg/runtime/cgo/windows_amd64.c index dafe8cd9d4..fd5b397ab5 100755 --- a/src/pkg/runtime/cgo/windows_amd64.c +++ b/src/pkg/runtime/cgo/windows_amd64.c @@ -37,11 +37,21 @@ threadentry(void *v) ts.g->stackbase = (uintptr)&ts; /* - * libcgo_sys_thread_start set stackguard to stack size; - * change to actual guard pointer. - */ + * libcgo_sys_thread_start set stackguard to stack size; + * change to actual guard pointer. + */ ts.g->stackguard = (uintptr)&ts - ts.g->stackguard + 4096; - crosscall_386(ts.fn); + /* + * Set specific keys in thread local storage. + */ + asm volatile ( + "movq %%gs:0x58, %%rax\n" // MOVQ 0x58(GS), tmp + "movq %0, 0(%%rax)\n" // MOVQ g, 0(GS) + "movq %1, 8(%%rax)\n" // MOVQ m, 8(GS) + :: "r"(ts.g), "r"(ts.m) : "%rax" + ); + + crosscall_amd64(ts.fn); return nil; } diff --git a/src/pkg/runtime/mkasmh.sh b/src/pkg/runtime/mkasmh.sh index 00b5b3c89d..328e2d5ba4 100755 --- a/src/pkg/runtime/mkasmh.sh +++ b/src/pkg/runtime/mkasmh.sh @@ -61,14 +61,23 @@ case "$GOARCH" in esac ;; amd64) - # The offsets 0 and 8 are known to: - # ../../cmd/6l/pass.c:/D_GS - # ../../libcgo/linux_amd64.c:/^threadentry - # ../../libcgo/darwin_amd64.c:/^threadentry - # - echo '#define get_tls(r)' - echo '#define g(r) 0(GS)' - echo '#define m(r) 8(GS)' + case "$GOOS" in + windows) + echo '#define get_tls(r) MOVQ 0x58(GS), r' + echo '#define g(r) 0(r)' + echo '#define m(r) 8(r)' + ;; + *) + # The offsets 0 and 8 are known to: + # ../../cmd/6l/pass.c:/D_GS + # ../../libcgo/linux_amd64.c:/^threadentry + # ../../libcgo/darwin_amd64.c:/^threadentry + # + echo '#define get_tls(r)' + echo '#define g(r) 0(GS)' + echo '#define m(r) 8(GS)' + ;; + esac ;; arm) echo '#define g R10' diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c index c5af8b754a..a8f3a796ac 100644 --- a/src/pkg/runtime/proc.c +++ b/src/pkg/runtime/proc.c @@ -77,7 +77,7 @@ struct Sched { }; Sched runtime·sched; -int32 gomaxprocs; +int32 runtime·gomaxprocs; // An m that is waiting for notewakeup(&m->havenextg). This may be // only be accessed while the scheduler lock is held. This is used to diff --git a/src/pkg/runtime/runtime.h b/src/pkg/runtime/runtime.h index 7bc0962ba9..ad5da0a962 100644 --- a/src/pkg/runtime/runtime.h +++ b/src/pkg/runtime/runtime.h @@ -242,6 +242,11 @@ struct M uint32 fflag; // floating point compare flags #ifdef __WINDOWS__ void* sehframe; + +#ifdef _64BIT + void* gostack; +#endif + #endif }; diff --git a/src/pkg/runtime/windows/amd64/defs.h b/src/pkg/runtime/windows/amd64/defs.h new file mode 100644 index 0000000000..830c6a8559 --- /dev/null +++ b/src/pkg/runtime/windows/amd64/defs.h @@ -0,0 +1,40 @@ +// g:\opensource\go\bin\godefs.exe -f -m64 defs.c + +// MACHINE GENERATED - DO NOT EDIT. + +// Constants +enum { + PROT_NONE = 0, + PROT_READ = 0x1, + PROT_WRITE = 0x2, + PROT_EXEC = 0x4, + MAP_ANON = 0x1, + MAP_PRIVATE = 0x2, + SIGINT = 0x2, + CTRL_C_EVENT = 0, + CTRL_BREAK_EVENT = 0x1, + EXCEPTION_ACCESS_VIOLATION = 0xc0000005, + EXCEPTION_BREAKPOINT = 0x80000003, + EXCEPTION_FLT_DENORMAL_OPERAND = 0xc000008d, + EXCEPTION_FLT_DIVIDE_BY_ZERO = 0xc000008e, + EXCEPTION_FLT_INEXACT_RESULT = 0xc000008f, + EXCEPTION_FLT_OVERFLOW = 0xc0000091, + EXCEPTION_FLT_UNDERFLOW = 0xc0000093, + EXCEPTION_INT_DIVIDE_BY_ZERO = 0xc0000094, + EXCEPTION_INT_OVERFLOW = 0xc0000095, +}; + +// Types +#pragma pack on + +typedef struct ExceptionRecord ExceptionRecord; +struct ExceptionRecord { + uint32 ExceptionCode; + uint32 ExceptionFlags; + ExceptionRecord *ExceptionRecord; + void *ExceptionAddress; + uint32 NumberParameters; + byte pad_godefs_0[4]; + uint64 ExceptionInformation[15]; +}; +#pragma pack off diff --git a/src/pkg/runtime/windows/amd64/rt0.s b/src/pkg/runtime/windows/amd64/rt0.s new file mode 100644 index 0000000000..e54e7edeb9 --- /dev/null +++ b/src/pkg/runtime/windows/amd64/rt0.s @@ -0,0 +1,10 @@ +// Copyright 2011 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 "amd64/asm.h" + +TEXT _rt0_amd64_windows(SB),7,$-8 + MOVQ $_rt0_amd64(SB), AX + MOVQ SP, DI + JMP AX diff --git a/src/pkg/runtime/windows/amd64/signal.c b/src/pkg/runtime/windows/amd64/signal.c new file mode 100644 index 0000000000..1fc3eb0606 --- /dev/null +++ b/src/pkg/runtime/windows/amd64/signal.c @@ -0,0 +1,20 @@ +// Copyright 2011 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 "runtime.h" +#include "defs.h" +#include "os.h" + +void +runtime·initsig(int32 queue) +{ +} + +void +runtime·resetcpuprofiler(int32 hz) +{ + // TODO: Enable profiling interrupts. + + m->profilehz = hz; +} diff --git a/src/pkg/runtime/windows/amd64/sys.s b/src/pkg/runtime/windows/amd64/sys.s new file mode 100644 index 0000000000..b1eacfc82b --- /dev/null +++ b/src/pkg/runtime/windows/amd64/sys.s @@ -0,0 +1,129 @@ +// Copyright 2011 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 "amd64/asm.h" + +// void *stdcall_raw(void *fn, uintptr nargs, void *args) +TEXT runtime·stdcall_raw(SB),7,$8 + MOVQ fn+0(FP), AX + MOVQ nargs+8(FP), CX + MOVQ args+16(FP), R11 + + // Switch to m->g0 if needed. + get_tls(DI) + MOVQ m(DI), DX + MOVQ g(DI), SI + MOVQ SI, 0(SP) // save g + MOVQ SP, m_gostack(DX) // save SP + MOVQ m_g0(DX), SI + CMPQ g(DI), SI + JEQ 3(PC) + MOVQ (g_sched+gobuf_sp)(SI), SP + MOVQ SI, g(DI) + + SUBQ $0x60, SP + + // Copy args to new stack. + MOVQ SP, DI + MOVQ R11, SI + CLD + REP; MOVSQ + MOVQ 0(R11), CX + MOVQ 8(R11), DX + MOVQ 16(R11), R8 + MOVQ 24(R11), R9 + + // Call stdcall function. + CALL AX + + // Restore original SP, g. + get_tls(DI) + MOVQ m(DI), DX + MOVQ m_gostack(DX), SP // restore SP + MOVQ 0(SP), SI // restore g + MOVQ SI, g(DI) + + RET + +// faster get/set last error +TEXT runtime·getlasterror(SB),7,$0 + MOVQ 0x30(GS), AX + MOVL 0x68(AX), AX + RET + +TEXT runtime·setlasterror(SB),7,$0 + MOVL err+0(FP), AX + MOVQ 0x30(GS), CX + MOVL AX, 0x68(CX) + RET + +// Windows runs the ctrl handler in a new thread. +TEXT runtime·ctrlhandler(SB),7,$0 + // TODO + RET + +TEXT runtime·callbackasm(SB),7,$0 + // TODO + RET + +// void tstart(M *newm); +TEXT runtime·tstart(SB),7,$0 + MOVQ newm+8(SP), CX // m + MOVQ m_g0(CX), DX // g + + MOVQ SP, DI // remember stack + + // Layout new m scheduler stack on os stack. + MOVQ SP, AX + MOVQ AX, g_stackbase(DX) + SUBQ $(64*1024), AX // stack size + MOVQ AX, g_stackguard(DX) + + // Set up tls. + LEAQ m_tls(CX), SI + MOVQ SI, 0x58(GS) + MOVQ CX, m(SI) + MOVQ DX, g(SI) + + // Someday the convention will be D is always cleared. + CLD + + PUSHQ DI // original stack + + CALL runtime·stackcheck(SB) // clobbers AX,CX + + CALL runtime·mstart(SB) + + POPQ DI // original stack + MOVQ DI, SP + + RET + +// uint32 tstart_stdcall(M *newm); +TEXT runtime·tstart_stdcall(SB),7,$0 + MOVQ CX, BX // stdcall first arg in RCX + + PUSHQ BX + CALL runtime·tstart+0(SB) + POPQ BX + + // Adjust stack for stdcall to return properly. + MOVQ (SP), AX // save return address + ADDQ $8, SP // remove single parameter + MOVQ AX, (SP) // restore return address + + XORL AX, AX // return 0 == success + + RET + +TEXT runtime·notok(SB),7,$0 + MOVQ $0xf1, BP + MOVQ BP, (BP) + RET + +// set tls base to DI +TEXT runtime·settls(SB),7,$0 + MOVQ DI, 0x58(GS) + RET + diff --git a/src/pkg/runtime/windows/thread.c b/src/pkg/runtime/windows/thread.c index 0c362d42c6..5644fd5dd7 100644 --- a/src/pkg/runtime/windows/thread.c +++ b/src/pkg/runtime/windows/thread.c @@ -219,7 +219,7 @@ runtime·gettime(int64 *sec, int32 *usec) void * runtime·stdcall(void *fn, int32 count, ...) { - return runtime·stdcall_raw(fn, count, (uintptr*)(&count + 1)); + return runtime·stdcall_raw(fn, count, (uintptr*)&count + 1); } uintptr |