[amd64] Mark RBP as 'same value' in the unwind info for the epilog so the unwind...

diff --git a/mono/mini/mini-amd64.c b/mono/mini/mini-amd64.c
index 84acd5ce7545f38d737ca4709c2be33e1015ee95..bab77635fde6c1a54313b1dc4faef6f4f018563f 100644 (file)
--- a/mono/mini/mini-amd64.c
+++ b/mono/mini/mini-amd64.c
@@ -7099,9 +7099,14 @@ mono_arch_emit_epilog (MonoCompile *cfg)
                } else {
                        /* FIXME: maybe save the jit tls in the prolog */
                }
-               if (cfg->used_int_regs & (1 << AMD64_RBP)) {
+               if (cfg->used_int_regs & (1 << AMD64_RBP))
                        amd64_mov_reg_membase (code, AMD64_RBP, cfg->frame_reg, lmf_offset + MONO_STRUCT_OFFSET (MonoLMF, rbp), 8);
-               }
+               if (cfg->arch.omit_fp)
+                       /*
+                        * emit_setup_lmf () marks RBP as saved, we have to mark it as same value here before clearing up the stack
+                        * since its stack slot will become invalid.
+                        */
+                       mono_emit_unwind_op_same_value (cfg, code, AMD64_RBP);
        }
 
        /* Restore callee saved regs */
@@ -7109,9 +7114,9 @@ mono_arch_emit_epilog (MonoCompile *cfg)
                if (AMD64_IS_CALLEE_SAVED_REG (i) && (cfg->arch.saved_iregs & (1 << i))) {
                        /* Restore only used_int_regs, not arch.saved_iregs */
 #if defined(MONO_SUPPORT_TASKLETS)
-                       int restore_reg=1;
+                       int restore_reg = 1;
 #else
-                       int restore_reg=(cfg->used_int_regs & (1 << i));
+                       int restore_reg = (cfg->used_int_regs & (1 << i));
 #endif
                        if (restore_reg) {
                                amd64_mov_reg_membase (code, i, cfg->frame_reg, save_area_offset, 8);