purego: clean up files for callbackArgs definitions (#435)

4 files · +48 -30

A syscall_notstackargs.go +37 -0

@@ -0,0 +1,37 @@
	1	+	// SPDX-License-Identifier: Apache-2.0
	2	+	// SPDX-FileCopyrightText: 2026 The Ebitengine Authors
	3	+
	4	+	//go:build !(ppc64le \|\| s390x)
	5	+
	6	+	package purego
	7	+
	8	+	import "unsafe"
	9	+
	10	+	// callbackArgs is the argument block passed from the assembly trampoline
	11	+	// to callbackWrap when C code calls a Go callback registered with NewCallback.
	12	+	// The assembly fills in the fields before calling callbackWrap, which uses
	13	+	// them to determine which Go function to invoke and where to read its
	14	+	// arguments from, and writes the return value back into result.
	15	+	//
	16	+	// callbackArgs is only used on Unix. On Windows, callbacks are handled by
	17	+	// the runtime's own callback mechanism, so this type is compiled but unused,
	18	+	// serving only as a stub to satisfy cross-platform compilation.
	19	+	type callbackArgs struct {
	20	+	index uintptr
	21	+	// args points to the argument block.
	22	+	//
	23	+	// The structure of the arguments goes
	24	+	// float registers followed by the
	25	+	// integer registers followed by the stack.
	26	+	//
	27	+	// This variable is treated as a contiguous
	28	+	// block of memory containing all of the arguments
	29	+	// for this callback.
	30	+	args unsafe.Pointer
	31	+	// Below are out-args from callbackWrap
	32	+	result uintptr
	33	+	}
	34	+
	35	+	func (c *callbackArgs) stackFrame() unsafe.Pointer {
	36	+	return nil
	37	+	}

@@ -0,0 +1,37 @@
	1	+	// SPDX-License-Identifier: Apache-2.0
	2	+	// SPDX-FileCopyrightText: 2026 The Ebitengine Authors
	3	+
	4	+	//go:build !(ppc64le \|\| s390x)
	5	+
	6	+	package purego
	7	+
	8	+	import "unsafe"
	9	+
	10	+	// callbackArgs is the argument block passed from the assembly trampoline
	11	+	// to callbackWrap when C code calls a Go callback registered with NewCallback.
	12	+	// The assembly fills in the fields before calling callbackWrap, which uses
	13	+	// them to determine which Go function to invoke and where to read its
	14	+	// arguments from, and writes the return value back into result.
	15	+	//
	16	+	// callbackArgs is only used on Unix. On Windows, callbacks are handled by
	17	+	// the runtime's own callback mechanism, so this type is compiled but unused,
	18	+	// serving only as a stub to satisfy cross-platform compilation.
	19	+	type callbackArgs struct {
	20	+	index uintptr
	21	+	// args points to the argument block.
	22	+	//
	23	+	// The structure of the arguments goes
	24	+	// float registers followed by the
	25	+	// integer registers followed by the stack.
	26	+	//
	27	+	// This variable is treated as a contiguous
	28	+	// block of memory containing all of the arguments
	29	+	// for this callback.
	30	+	args unsafe.Pointer
	31	+	// Below are out-args from callbackWrap
	32	+	result uintptr
	33	+	}
	34	+
	35	+	func (c *callbackArgs) stackFrame() unsafe.Pointer {
	36	+	return nil
	37	+	}

R syscall_sysv_stackargs.go → syscall_stackargs.go +11 -2 renamed, 55% similar

@@ -1,12 +1,21 @@
1	1		// SPDX-License-Identifier: Apache-2.0
2	2		// SPDX-FileCopyrightText: 2026 The Ebitengine Authors
3	3
4		-	//go:build linux && (ppc64le \|\| s390x)
	4	+	//go:build ppc64le \|\| s390x
5	5
6	6		package purego
7	7
8	8		import "unsafe"
9	9
	10	+	// callbackArgs is the argument block passed from the assembly trampoline
	11	+	// to callbackWrap when C code calls a Go callback registered with NewCallback.
	12	+	// The assembly fills in the fields before calling callbackWrap, which uses
	13	+	// them to determine which Go function to invoke and where to read its
	14	+	// arguments from, and writes the return value back into result.
	15	+	//
	16	+	// callbackArgs is only used on Unix. On Windows, callbacks are handled by
	17	+	// the runtime's own callback mechanism, so this type is compiled but unused,
	18	+	// serving only as a stub to satisfy cross-platform compilation.
10	19		type callbackArgs struct {
11	20		index uintptr
12	21		// args points to the argument block.

@@ -15,7 +24,7 @@ type callbackArgs struct {
15	24		// float registers followed by the
16	25		// integer registers followed by the stack.
17	26		//
18		-	// This variable is treated as a continuous
	27	+	// This variable is treated as a contiguous
19	28		// block of memory containing all of the arguments
20	29		// for this callback.
21	30		args unsafe.Pointer

 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: 2026 The Ebitengine Authors
-//go:build linux && (ppc64le || s390x)
+//go:build ppc64le || s390x
 package purego
 import "unsafe"
+// callbackArgs is the argument block passed from the assembly trampoline
+// to callbackWrap when C code calls a Go callback registered with NewCallback.
+// The assembly fills in the fields before calling callbackWrap, which uses
+// them to determine which Go function to invoke and where to read its
+// arguments from, and writes the return value back into result.
+//
+// callbackArgs is only used on Unix. On Windows, callbacks are handled by
+// the runtime's own callback mechanism, so this type is compiled but unused,
+// serving only as a stub to satisfy cross-platform compilation.
 type callbackArgs struct {
 	index uintptr
 	// args points to the argument block.
 	// float registers followed by the
 	// integer registers followed by the stack.
 	//
-	// This variable is treated as a continuous
+	// This variable is treated as a contiguous
 	// block of memory containing all of the arguments
 	// for this callback.
 	args unsafe.Pointer

D syscall_sysv_others.go +0 -28

@@ -1,28 +0,0 @@
1	-	// SPDX-License-Identifier: Apache-2.0
2	-	// SPDX-FileCopyrightText: 2026 The Ebitengine Authors
3	-
4	-	//go:build darwin \|\| freebsd \|\| (linux && (386 \|\| amd64 \|\| arm \|\| arm64 \|\| loong64 \|\| riscv64)) \|\| netbsd
5	-
6	-	package purego
7	-
8	-	import "unsafe"
9	-
10	-	type callbackArgs struct {
11	-	index uintptr
12	-	// args points to the argument block.
13	-	//
14	-	// The structure of the arguments goes
15	-	// float registers followed by the
16	-	// integer registers followed by the stack.
17	-	//
18	-	// This variable is treated as a continuous
19	-	// block of memory containing all of the arguments
20	-	// for this callback.
21	-	args unsafe.Pointer
22	-	// Below are out-args from callbackWrap
23	-	result uintptr
24	-	}
25	-
26	-	func (c *callbackArgs) stackFrame() unsafe.Pointer {
27	-	return nil
28	-	}

@@ -1,28 +0,0 @@
1	-	// SPDX-License-Identifier: Apache-2.0
2	-	// SPDX-FileCopyrightText: 2026 The Ebitengine Authors
3	-
4	-	//go:build darwin \|\| freebsd \|\| (linux && (386 \|\| amd64 \|\| arm \|\| arm64 \|\| loong64 \|\| riscv64)) \|\| netbsd
5	-
6	-	package purego
7	-
8	-	import "unsafe"
9	-
10	-	type callbackArgs struct {
11	-	index uintptr
12	-	// args points to the argument block.
13	-	//
14	-	// The structure of the arguments goes
15	-	// float registers followed by the
16	-	// integer registers followed by the stack.
17	-	//
18	-	// This variable is treated as a continuous
19	-	// block of memory containing all of the arguments
20	-	// for this callback.
21	-	args unsafe.Pointer
22	-	// Below are out-args from callbackWrap
23	-	result uintptr
24	-	}
25	-
26	-	func (c *callbackArgs) stackFrame() unsafe.Pointer {
27	-	return nil
28	-	}

R syscall_sysv.go → syscall_unix.go +0 -0 renamed, 100% similar

renamed, 100% similar