@@ -349,7 +349,6 @@ bpf_expand_prologue (void)
hard_frame_pointer_rtx,
fp_offset - 8));
insn = emit_move_insn (mem, gen_rtx_REG (DImode, regno));
- RTX_FRAME_RELATED_P (insn) = 1;
fp_offset -= 8;
}
}
@@ -364,7 +363,6 @@ bpf_expand_prologue (void)
{
insn = emit_move_insn (stack_pointer_rtx,
hard_frame_pointer_rtx);
- RTX_FRAME_RELATED_P (insn) = 1;
if (size > 0)
{
@@ -372,7 +370,6 @@ bpf_expand_prologue (void)
gen_rtx_PLUS (Pmode,
stack_pointer_rtx,
GEN_INT (-size))));
- RTX_FRAME_RELATED_P (insn) = 1;
}
}
}
@@ -412,7 +409,6 @@ bpf_expand_epilogue (void)
hard_frame_pointer_rtx,
fp_offset - 8));
insn = emit_move_insn (gen_rtx_REG (DImode, regno), mem);
- RTX_FRAME_RELATED_P (insn) = 1;
fp_offset -= 8;
}
}
@@ -235,17 +235,9 @@ enum reg_class
/**** Debugging Info ****/
-/* We cannot support DWARF2 because of the limitations of eBPF. */
+/* In eBPF it is not possible to unwind frames. Disable CFA. */
-/* elfos.h insists in using DWARF. Undo that here. */
-#ifdef DWARF2_DEBUGGING_INFO
-# undef DWARF2_DEBUGGING_INFO
-#endif
-#ifdef PREFERRED_DEBUGGING_TYPE
-# undef PREFERRED_DEBUGGING_TYPE
-#endif
-
-#define DBX_DEBUGGING_INFO
+#define DWARF2_FRAME_INFO 0
/**** Stack Layout and Calling Conventions. */