diff --git a/compiler/rustc_codegen_ssa/messages.ftl b/compiler/rustc_codegen_ssa/messages.ftl index a70d0011d161f..71212253afc6e 100644 --- a/compiler/rustc_codegen_ssa/messages.ftl +++ b/compiler/rustc_codegen_ssa/messages.ftl @@ -178,6 +178,10 @@ codegen_ssa_ld64_unimplemented_modifier = `as-needed` modifier not implemented y codegen_ssa_lib_def_write_failure = failed to write lib.def file: {$error} +codegen_ssa_link_exe_status_stack_buffer_overrun = 0xc0000409 is `STATUS_STACK_BUFFER_OVERRUN` + .abort_note = this may have been caused by a program abort and not a stack buffer overrun + .event_log_note = consider checking the Application Event Log for Windows Error Reporting events to see the fail fast error code + codegen_ssa_link_exe_unexpected_error = `link.exe` returned an unexpected error codegen_ssa_link_script_unavailable = can only use link script when linking with GNU-like linker diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index b69fbf61185d7..c82af3d9d1e2b 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -880,6 +880,14 @@ fn link_natively( windows_registry::find_tool(&sess.target.arch, "link.exe").is_some(); sess.dcx().emit_note(errors::LinkExeUnexpectedError); + + // STATUS_STACK_BUFFER_OVERRUN is also used for fast abnormal program termination, e.g. abort(). + // Emit a special diagnostic to let people know that this most likely doesn't indicate a stack buffer overrun. + const STATUS_STACK_BUFFER_OVERRUN: i32 = 0xc0000409u32 as _; + if code == STATUS_STACK_BUFFER_OVERRUN { + sess.dcx().emit_note(errors::LinkExeStatusStackBufferOverrun); + } + if is_vs_installed && has_linker { // the linker is broken sess.dcx().emit_note(errors::RepairVSBuildTools); diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index 3d787d8bdbde9..fc1092f79a5da 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -550,6 +550,18 @@ impl Diagnostic<'_, G> for LinkingFailed<'_> { #[diag(codegen_ssa_link_exe_unexpected_error)] pub(crate) struct LinkExeUnexpectedError; +pub(crate) struct LinkExeStatusStackBufferOverrun; + +impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for LinkExeStatusStackBufferOverrun { + fn into_diag(self, dcx: rustc_errors::DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { + let mut diag = + Diag::new(dcx, level, fluent::codegen_ssa_link_exe_status_stack_buffer_overrun); + diag.note(fluent::codegen_ssa_abort_note); + diag.note(fluent::codegen_ssa_event_log_note); + diag + } +} + #[derive(Diagnostic)] #[diag(codegen_ssa_repair_vs_build_tools)] pub(crate) struct RepairVSBuildTools;