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rustc_codegen_gcc: error on unwinding inline asm

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This commit is contained in:
cynecx 2021-11-13 00:37:30 +01:00
parent e33a3f9c27
commit 059d3b3f34
1 changed files with 8 additions and 1 deletions
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9
compiler/rustc_codegen_gcc/src/asm.rs
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@ -118,7 +118,14 @@ impl<'a, 'gcc, 'tcx> AsmBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
true true
} }
fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_operands: &[InlineAsmOperandRef<'tcx, Self>], options: InlineAsmOptions, _span: &[Span], _instance: Instance<'_>) { fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_operands: &[InlineAsmOperandRef<'tcx, Self>], options: InlineAsmOptions, span: &[Span], _instance: Instance<'_>, dest_catch_funclet: Option<(Self::BasicBlock, Self::BasicBlock, Option<&Self::Funclet>)>) {
if dest_catch_funclet.is_some() {
self.sess()
.struct_span_err(span[0], "GCC backend does not support unwinding from inline asm")
.emit();
return;
}
let asm_arch = self.tcx.sess.asm_arch.unwrap(); let asm_arch = self.tcx.sess.asm_arch.unwrap();
let is_x86 = matches!(asm_arch, InlineAsmArch::X86 | InlineAsmArch::X86_64); let is_x86 = matches!(asm_arch, InlineAsmArch::X86 | InlineAsmArch::X86_64);
let att_dialect = is_x86 && options.contains(InlineAsmOptions::ATT_SYNTAX); let att_dialect = is_x86 && options.contains(InlineAsmOptions::ATT_SYNTAX);