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cmd/cgo: detect misuse of generated _cgo_export.h

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Fixes #9742.

Change-Id: Ifedf7ff9465bc49534b708d414c8e435ee9ce6cd
Reviewed-on: https://go-review.googlesource.com/3970
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Shenghou Ma 2015-02-05 14:16:13 -05:00 committed by Minux Ma
parent 8581d48c15
commit 3819907a55
1 changed files with 5 additions and 1 deletions
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6
src/cmd/cgo/out.go
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@ -636,7 +636,7 @@ func (p *Package) writeExports(fgo2, fm io.Writer) {
fgcc := creat(*objDir + "_cgo_export.c") fgcc := creat(*objDir + "_cgo_export.c")
fgcch := creat(*objDir + "_cgo_export.h") fgcch := creat(*objDir + "_cgo_export.h")
fmt.Fprintf(fgcch, "/* Created by cgo - DO NOT EDIT. */\n") fmt.Fprintf(fgcch, "/* Created by cgo - DO NOT EDIT. */\n/* This file is arch-specific. */\n")
fmt.Fprintf(fgcch, "%s\n", p.Preamble) fmt.Fprintf(fgcch, "%s\n", p.Preamble)
fmt.Fprintf(fgcch, "%s\n", p.gccExportHeaderProlog()) fmt.Fprintf(fgcch, "%s\n", p.gccExportHeaderProlog())
@ -1310,6 +1310,10 @@ typedef double GoFloat64;
typedef __complex float GoComplex64; typedef __complex float GoComplex64;
typedef __complex double GoComplex128; typedef __complex double GoComplex128;
// static assertion to make sure the file is being used on architecture
// at least with matching size of GoInt.
typedef char _check_for_GOINTBITS_bit_pointer_matching_GoInt[sizeof(void*)==GOINTBITS/8 ? 1:-1];
typedef struct { char *p; GoInt n; } GoString; typedef struct { char *p; GoInt n; } GoString;
typedef void *GoMap; typedef void *GoMap;
typedef void *GoChan; typedef void *GoChan;