From: Jakob Gillich <jakob@gillich.me>
Date: Tue, 16 Jul 2024 17:43:18 +0000 (+0000)
Subject: cmd/link: raise pe export cap to 65535
X-Git-Tag: go1.24rc1~1431
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=78c0ea5df7e864575c8fcae8528572c5284c0435;p=gostls13.git

cmd/link: raise pe export cap to 65535

fixes #68405

Change-Id: I043e16f43daa336005695f82a53f9a52cd770656
GitHub-Last-Rev: 69f1ae8b648083154c64f0679b7bd97a118607e9
GitHub-Pull-Request: golang/go#68409
Reviewed-on: https://go-review.googlesource.com/c/go/+/597956
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Zxilly Chou <zxilly@outlook.com>
Reviewed-by: Than McIntosh <thanm@google.com>
---

diff --git a/src/cmd/link/internal/ld/pe.go b/src/cmd/link/internal/ld/pe.go
index 14f0485530..6d6eda4b33 100644
--- a/src/cmd/link/internal/ld/pe.go
+++ b/src/cmd/link/internal/ld/pe.go
@@ -16,6 +16,7 @@ import (
 	"encoding/binary"
 	"fmt"
 	"internal/buildcfg"
+	"math"
 	"sort"
 	"strconv"
 	"strings"
@@ -307,7 +308,7 @@ var (
 	pe64        int
 	dr          *Dll
 
-	dexport = make([]loader.Sym, 0, 1024)
+	dexport []loader.Sym
 )
 
 // peStringTable is a COFF string table.
@@ -1390,7 +1391,7 @@ func initdynexport(ctxt *Link) {
 		if !ldr.AttrReachable(s) || !ldr.AttrCgoExportDynamic(s) {
 			continue
 		}
-		if len(dexport)+1 > cap(dexport) {
+		if len(dexport) >= math.MaxUint16 {
 			ctxt.Errorf(s, "pe dynexport table is full")
 			errorexit()
 		}