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cbe: don't emit traps in naked functions

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Closes #16680
This commit is contained in:
Jacob Young 2023-08-05 00:54:06 -04:00 committed by Andrew Kelley
parent f3fbdf2b44
commit b8c9d5ae98
1 changed files with 6 additions and 2 deletions
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8
src/codegen/c.zig
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@ -2835,7 +2835,7 @@ fn genBodyInner(f: *Function, body: []const Air.Inst.Index) error{ AnalysisFail,
.arg => try airArg(f, inst),
.trap => try airTrap(f.object.writer()),
.trap => try airTrap(f, f.object.writer()),
.breakpoint => try airBreakpoint(f.object.writer()),
.ret_addr => try airRetAddr(f, inst),
.frame_addr => try airFrameAddress(f, inst),
@ -4591,7 +4591,11 @@ fn bitcast(f: *Function, dest_ty: Type, operand: CValue, operand_ty: Type) !Loca
};
}
fn airTrap(writer: anytype) !CValue {
fn airTrap(f: *Function, writer: anytype) !CValue {
const mod = f.object.dg.module;
// Not even allowed to call trap in a naked function.
if (f.object.dg.decl) |decl| if (decl.ty.fnCallingConvention(mod) == .Naked) return .none;
try writer.writeAll("zig_trap();\n");
return .none;
}