From 5af33410f6faa6c0f7d97af5b802b2608b228bc2 Mon Sep 17 00:00:00 2001 From: Tobias Heider Date: Sun, 3 Dec 2023 17:32:20 +0100 Subject: Fix IBT/BTI by instrumenting function calls --- amd64/emit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'amd64') diff --git a/amd64/emit.c b/amd64/emit.c index 297cc76..c949589 100644 --- a/amd64/emit.c +++ b/amd64/emit.c @@ -581,7 +581,7 @@ amd64_emitfn(Fn *fn, FILE *f) uint64_t fs; emitfnlnk(fn->name, &fn->lnk, f); - fputs("\tpushq %rbp\n\tmovq %rsp, %rbp\n", f); + fputs("\tendbr64\n\tpushq %rbp\n\tmovq %rsp, %rbp\n", f); fs = framesz(fn); if (fs) fprintf(f, "\tsubq $%"PRIu64", %%rsp\n", fs); -- cgit 1.4.1