bpf: Always emit .BTF.ext section if generating BTF

BPF applications, when generating BTF information should always create a
.BTF.ext section.
Current implementation was only creating it when -mco-re option was used.
This patch makes .BTF.ext always be generated for BPF target objects.
The patch also adds conditions around btf_finalize function call
such that BTF deallocation happens later for BPF target.
For BPF, btf_finalize is only called after .BTF.ext is generated.

gcc/ChangeLog:

	* config/bpf/bpf.cc (bpf_option_override): Make .BTF.ext
	enabled by default for BPF.
	(bpf_file_end): Call BTF deallocation.
	(bpf_asm_init_sections): Correct condition.
	* dwarf2ctf.cc (ctf_debug_finalize): Conditionally execute BTF
	deallocation.
	(ctf_debuf_finish): Correct condition for calling
	ctf_debug_finalize.

1 files changed, 6 insertions, 6 deletions

diff --git a/gcc/dwarf2ctf.cc b/gcc/dwarf2ctf.cc
index 93e5619..dca86ed 100644
--- a/gcc/dwarf2ctf.cc
+++ b/gcc/dwarf2ctf.cc
@@ -944,7 +944,10 @@ ctf_debug_finalize (const char *filename, bool btf)
   if (btf)
     {
       btf_output (filename);
-      btf_finalize ();
+      /* btf_finalize when compiling BPF applciations gets deallocated by the
+	 BPF target in bpf_file_end.  */
+      if (btf_debuginfo_p () && !btf_with_core_debuginfo_p ())
+	btf_finalize ();
     }
 
   else
@@ -1027,11 +1030,8 @@ ctf_debug_finish (const char * filename)
   /* Emit BTF debug info here when CO-RE relocations need to be generated.
      BTF with CO-RE relocations needs to be generated when CO-RE is in effect
      for the BPF target.  */
-  if (btf_with_core_debuginfo_p ())
-    {
-      gcc_assert (btf_debuginfo_p ());
-      ctf_debug_finalize (filename, btf_debuginfo_p ());
-    }
+  if (btf_debuginfo_p () && btf_with_core_debuginfo_p ())
+    ctf_debug_finalize (filename, btf_debuginfo_p ());
 }
 
 #include "gt-dwarf2ctf.h"