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authorGraydon Hoare <[email protected]>2010-11-14 11:21:49 -0800
committerGraydon Hoare <[email protected]>2010-11-14 11:21:49 -0800
commita7af86155d9b82cd65758c1fd6954aaef053b11a (patch)
treea93b12cac2b0c26f63b9e22cad74d6375668747d /src/comp/middle
parentCorrect infinite-loop, block-context mismatches in early cleanups. (diff)
downloadrust-a7af86155d9b82cd65758c1fd6954aaef053b11a.tar.xz
rust-a7af86155d9b82cd65758c1fd6954aaef053b11a.zip
Support emitting trap instructions for debugging.
Diffstat (limited to 'src/comp/middle')
-rw-r--r--src/comp/middle/trans.rs7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index 4d24bb92..4140c0f3 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -1369,6 +1369,11 @@ fn trans_main_fn(@trans_ctxt cx, ValueRef llcrate) {
}
+fn declare_intrinsics(ModuleRef llmod) {
+ let vec[TypeRef] T_trap_args = vec();
+ decl_cdecl_fn(llmod, "llvm.trap", T_trap_args, T_void());
+}
+
fn trans_crate(session.session sess, @ast.crate crate, str output) {
auto llmod =
llvm.LLVMModuleCreateWithNameInContext(_str.buf("rust_out"),
@@ -1376,6 +1381,8 @@ fn trans_crate(session.session sess, @ast.crate crate, str output) {
llvm.LLVMSetModuleInlineAsm(llmod, _str.buf(x86.get_module_asm()));
+ declare_intrinsics(llmod);
+
auto glues = @rec(activate_glue = decl_glue(llmod,
abi.activate_glue_name()),
yield_glue = decl_glue(llmod, abi.yield_glue_name()),