{"id":2227076,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2227076/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/2260888.irdbgypaU6@arcturus/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.1/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<2260888.irdbgypaU6@arcturus>","date":"2026-04-23T07:38:12","name":"Bump STACK_CHECK_PROTECT for 64-bit Windows","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"bda70a4af50408beb059e5a5d6ecd03c36cb8984","submitter":{"id":78832,"url":"http://patchwork.ozlabs.org/api/1.1/people/78832/?format=json","name":"Eric Botcazou","email":"botcazou@adacore.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/2260888.irdbgypaU6@arcturus/mbox/","series":[{"id":501154,"url":"http://patchwork.ozlabs.org/api/1.1/series/501154/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=501154","date":"2026-04-23T07:38:12","name":"Bump STACK_CHECK_PROTECT for 64-bit Windows","version":1,"mbox":"http://patchwork.ozlabs.org/series/501154/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227076/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227076/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=adacore.com header.i=@adacore.com header.a=rsa-sha256\n header.s=google header.b=NRLxc9qs;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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boundary=\"nextPart13994609.uLZWGnKmhe\"","Content-Transfer-Encoding":"7Bit","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"This is required for -fstack-check to be able to properly recover from a stack \noverflow condition on (some configurations of) Windows Server 2025.\n\nTested on x86-64/Windows, applied on the mainline as obvious.\n\n\n2026-04-23 Eric Botcazou \n\n\t* config/i386/cygming.h (STACK_CHECK_PROTECT): Define.","diff":"diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h\nindex 00d11063c72..6e5a301aee1 100644\n--- a/gcc/config/i386/cygming.h\n+++ b/gcc/config/i386/cygming.h\n@@ -466,6 +466,8 @@ do {\t\t\t\t\t\t\\\n /* Static stack checking is supported by means of probes. */\n #define STACK_CHECK_STATIC_BUILTIN 1\n \n+#define STACK_CHECK_PROTECT (TARGET_64BIT ? 20 * 1024 : 12 * 1024)\n+\n #ifndef HAVE_GAS_ALIGNED_COMM\n # define HAVE_GAS_ALIGNED_COMM 0\n #endif\n","prefixes":[]}