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decision _start generation by target, add some fake variables

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This commit is contained in:
Li Jie
2025-08-16 10:50:12 +08:00
parent 3431354cb2
commit e8bae52f66
1 changed files with 15 additions and 1 deletions
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16
internal/build/build.go
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@@ -663,6 +663,18 @@ func isWasmTarget(goos string) bool {
return slices.Contains([]string{"wasi", "js", "wasip1"}, goos) return slices.Contains([]string{"wasi", "js", "wasip1"}, goos)
} }
func needStart(conf *Config) bool {
if conf.Target == "" {
return !isWasmTarget(conf.Goos)
}
switch conf.Target {
case "wasip2":
return false
default:
return true
}
}
func genMainModuleFile(ctx *context, rtPkgPath string, pkg *packages.Package, needRuntime, needPyInit bool) (path string, err error) { func genMainModuleFile(ctx *context, rtPkgPath string, pkg *packages.Package, needRuntime, needPyInit bool) (path string, err error) {
var ( var (
pyInitDecl string pyInitDecl string
@@ -717,8 +729,10 @@ define weak void @_start() {
} }
` `
mainDefine := "define i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr" mainDefine := "define i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr"
if isWasmTarget(ctx.buildConf.Goos) { if !needStart(ctx.buildConf) && isWasmTarget(ctx.buildConf.Goos) {
mainDefine = "define hidden noundef i32 @__main_argc_argv(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr" mainDefine = "define hidden noundef i32 @__main_argc_argv(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr"
}
if !needStart(ctx.buildConf) {
startDefine = "" startDefine = ""
} }
mainCode := fmt.Sprintf(`; ModuleID = 'main' mainCode := fmt.Sprintf(`; ModuleID = 'main'