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go/src/pkg/runtime/windows/syscall.goc

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syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
// 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
#include "runtime.h"
#include "os.h"
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
#include "cgocall.h"
syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
syscall: dll function load and calling changes New DLL and Proc types to manage and call dll functions. These were used to simplify syscall tests in runtime package. They were also used to implement LazyDLL and LazyProc. LazyProc, like Proc, now have Call function, that just a wrapper for SyscallN. It is not as efficient as Syscall, but easier to use. NewLazyDLL now supports non-ascii filenames. LazyDLL and LazyProc now have Load and Find methods. These can be used during runtime to discover if some dll functions are not present. All dll functions now return errors that fit os.Error interface. They also contain Windows error number. Some of these changes are suggested by jp. R=golang-dev, jp, rsc CC=golang-dev https://golang.org/cl/5272042
2011-10-15 00:29:25 -06:00
func loadlibrary(filename *uint16) (handle uintptr, err uintptr) {
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
WinCall c;
syscall: dll function load and calling changes New DLL and Proc types to manage and call dll functions. These were used to simplify syscall tests in runtime package. They were also used to implement LazyDLL and LazyProc. LazyProc, like Proc, now have Call function, that just a wrapper for SyscallN. It is not as efficient as Syscall, but easier to use. NewLazyDLL now supports non-ascii filenames. LazyDLL and LazyProc now have Load and Find methods. These can be used during runtime to discover if some dll functions are not present. All dll functions now return errors that fit os.Error interface. They also contain Windows error number. Some of these changes are suggested by jp. R=golang-dev, jp, rsc CC=golang-dev https://golang.org/cl/5272042
2011-10-15 00:29:25 -06:00
c.fn = runtime·LoadLibrary;
c.n = 1;
c.args = &filename;
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
runtime·cgocall(runtime·asmstdcall, &c);
handle = c.r1;
syscall: dll function load and calling changes New DLL and Proc types to manage and call dll functions. These were used to simplify syscall tests in runtime package. They were also used to implement LazyDLL and LazyProc. LazyProc, like Proc, now have Call function, that just a wrapper for SyscallN. It is not as efficient as Syscall, but easier to use. NewLazyDLL now supports non-ascii filenames. LazyDLL and LazyProc now have Load and Find methods. These can be used during runtime to discover if some dll functions are not present. All dll functions now return errors that fit os.Error interface. They also contain Windows error number. Some of these changes are suggested by jp. R=golang-dev, jp, rsc CC=golang-dev https://golang.org/cl/5272042
2011-10-15 00:29:25 -06:00
if(handle == 0)
err = c.err;
else
err = 0;
syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
}
syscall: dll function load and calling changes New DLL and Proc types to manage and call dll functions. These were used to simplify syscall tests in runtime package. They were also used to implement LazyDLL and LazyProc. LazyProc, like Proc, now have Call function, that just a wrapper for SyscallN. It is not as efficient as Syscall, but easier to use. NewLazyDLL now supports non-ascii filenames. LazyDLL and LazyProc now have Load and Find methods. These can be used during runtime to discover if some dll functions are not present. All dll functions now return errors that fit os.Error interface. They also contain Windows error number. Some of these changes are suggested by jp. R=golang-dev, jp, rsc CC=golang-dev https://golang.org/cl/5272042
2011-10-15 00:29:25 -06:00
func getprocaddress(handle uintptr, procname *uint8) (proc uintptr, err uintptr) {
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
WinCall c;
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
USED(procname);
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
c.fn = runtime·GetProcAddress;
c.n = 2;
c.args = &handle;
runtime·cgocall(runtime·asmstdcall, &c);
proc = c.r1;
syscall: dll function load and calling changes New DLL and Proc types to manage and call dll functions. These were used to simplify syscall tests in runtime package. They were also used to implement LazyDLL and LazyProc. LazyProc, like Proc, now have Call function, that just a wrapper for SyscallN. It is not as efficient as Syscall, but easier to use. NewLazyDLL now supports non-ascii filenames. LazyDLL and LazyProc now have Load and Find methods. These can be used during runtime to discover if some dll functions are not present. All dll functions now return errors that fit os.Error interface. They also contain Windows error number. Some of these changes are suggested by jp. R=golang-dev, jp, rsc CC=golang-dev https://golang.org/cl/5272042
2011-10-15 00:29:25 -06:00
if(proc == 0)
err = c.err;
else
err = 0;
syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
}
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
func NewCallback(fn Eface) (code uintptr) {
code = (uintptr)runtime·compilecallback(fn, true);
runtime: implementation of callback functions for windows R=rsc, lxn, alex.brainman, dho CC=golang-dev https://golang.org/cl/1696051
2011-01-21 19:55:53 -07:00
}
runtime: go interface to cdecl calbacks cdecl calbacks have been implemented in C/ASM code, just Go function is missing R=golang-dev, alex.brainman CC=golang-dev https://golang.org/cl/4969047
2011-08-28 18:40:28 -06:00
func NewCallbackCDecl(fn Eface) (code uintptr) {
code = (uintptr)runtime·compilecallback(fn, false);
}
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
func Syscall(fn uintptr, nargs uintptr, a1 uintptr, a2 uintptr, a3 uintptr) (r1 uintptr, r2 uintptr, err uintptr) {
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
WinCall c;
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
USED(a2);
USED(a3);
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
c.fn = (void*)fn;
c.n = nargs;
c.args = &a1;
runtime·cgocall(runtime·asmstdcall, &c);
err = c.err;
r1 = c.r1;
r2 = c.r2;
syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
}
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
func Syscall6(fn uintptr, nargs uintptr, a1 uintptr, a2 uintptr, a3 uintptr, a4 uintptr, a5 uintptr, a6 uintptr) (r1 uintptr, r2 uintptr, err uintptr) {
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
WinCall c;
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
USED(a2);
USED(a3);
USED(a4);
USED(a5);
USED(a6);
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
c.fn = (void*)fn;
c.n = nargs;
c.args = &a1;
runtime·cgocall(runtime·asmstdcall, &c);
err = c.err;
r1 = c.r1;
r2 = c.r2;
syscall: more changes to mingw version - mkall now generates syscall stabs automatically - we can call unicode versions of winapi now - introduce GetErrstr function to fetch error text given errno - general cleanup R=rsc CC=golang-dev https://golang.org/cl/562041
2010-03-17 00:10:07 -06:00
}
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
func Syscall9(fn uintptr, nargs uintptr, a1 uintptr, a2 uintptr, a3 uintptr, a4 uintptr, a5 uintptr, a6 uintptr, a7 uintptr, a8 uintptr, a9 uintptr) (r1 uintptr, r2 uintptr, err uintptr) {
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
WinCall c;
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
USED(a2);
USED(a3);
USED(a4);
USED(a5);
USED(a6);
USED(a7);
USED(a8);
USED(a9);
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
c.fn = (void*)fn;
c.n = nargs;
c.args = &a1;
runtime·cgocall(runtime·asmstdcall, &c);
err = c.err;
r1 = c.r1;
r2 = c.r2;
syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
}
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
func Syscall12(fn uintptr, nargs uintptr, a1 uintptr, a2 uintptr, a3 uintptr, a4 uintptr, a5 uintptr, a6 uintptr, a7 uintptr, a8 uintptr, a9 uintptr, a10 uintptr, a11 uintptr, a12 uintptr) (r1 uintptr, r2 uintptr, err uintptr) {
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
WinCall c;
windows: multiple improvements and cleanups The callback mechanism has been made more flexible. Eliminated one round of argument copying in Syscall. Faster Get/SetLastError implemented. Added gettime for gc perf profiling. R=rsc, brainman, mattn, rog CC=golang-dev https://golang.org/cl/4058046
2011-02-01 09:49:24 -07:00
USED(a2);
USED(a3);
USED(a4);
USED(a5);
USED(a6);
USED(a7);
USED(a8);
USED(a9);
USED(a10);
USED(a11);
USED(a12);
runtime: syscall to return both AX and DX for windows/386 Fixes #2181. R=golang-dev, jp CC=golang-dev https://golang.org/cl/5000042
2011-09-14 00:19:45 -06:00
c.fn = (void*)fn;
c.n = nargs;
c.args = &a1;
runtime·cgocall(runtime·asmstdcall, &c);
err = c.err;
r1 = c.r1;
r2 = c.r2;
syscall: minimal mingw version of syscall to call windows dlls lots of missing parts, but builds and can call dlls, see a sample code in syscall_mingw.go R=rsc CC=golang-dev https://golang.org/cl/218042
2010-03-09 16:09:09 -07:00
}
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