40 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			40 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | // Copyright 2015 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.
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|  | 
 | ||
|  | // +build gccgo
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|  | // +build !aix
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|  | 
 | ||
|  | #include <errno.h>
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|  | #include <stdint.h>
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|  | #include <unistd.h>
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|  | 
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|  | #define _STRINGIFY2_(x) #x
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|  | #define _STRINGIFY_(x) _STRINGIFY2_(x)
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|  | #define GOSYM_PREFIX _STRINGIFY_(__USER_LABEL_PREFIX__)
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|  | 
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|  | // Call syscall from C code because the gccgo support for calling from
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|  | // Go to C does not support varargs functions.
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|  | 
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|  | struct ret { | ||
|  | 	uintptr_t r; | ||
|  | 	uintptr_t err; | ||
|  | }; | ||
|  | 
 | ||
|  | struct ret | ||
|  | gccgoRealSyscall(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9) | ||
|  | { | ||
|  | 	struct ret r; | ||
|  | 
 | ||
|  | 	errno = 0; | ||
|  | 	r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9); | ||
|  | 	r.err = errno; | ||
|  | 	return r; | ||
|  | } | ||
|  | 
 | ||
|  | uintptr_t | ||
|  | gccgoRealSyscallNoError(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9) | ||
|  | { | ||
|  | 	return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9); | ||
|  | } |