[RFC dwarves 1/4] btf_encoder, pahole: move btf encoding options into conf_load

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...rather than passing them to btf_encoder__new(); this tidies
up the encoder API and also allows us to use generalized methods
to translate from a BTF feature (forthcoming) to a conf_load
parameter.

Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx>
---
 btf_encoder.c |  8 ++++----
 btf_encoder.h |  2 +-
 dwarves.h     |  3 +++
 pahole.c      | 21 ++++++++-------------
 4 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/btf_encoder.c b/btf_encoder.c
index 65f6e71..fd04008 100644
--- a/btf_encoder.c
+++ b/btf_encoder.c
@@ -1625,7 +1625,7 @@ out:
 	return err;
 }
 
-struct btf_encoder *btf_encoder__new(struct cu *cu, const char *detached_filename, struct btf *base_btf, bool skip_encoding_vars, bool force, bool gen_floats, bool verbose)
+struct btf_encoder *btf_encoder__new(struct cu *cu, const char *detached_filename, struct btf *base_btf, bool verbose, struct conf_load *conf_load)
 {
 	struct btf_encoder *encoder = zalloc(sizeof(*encoder));
 
@@ -1639,9 +1639,9 @@ struct btf_encoder *btf_encoder__new(struct cu *cu, const char *detached_filenam
 		if (encoder->btf == NULL)
 			goto out_delete;
 
-		encoder->force		 = force;
-		encoder->gen_floats	 = gen_floats;
-		encoder->skip_encoding_vars = skip_encoding_vars;
+		encoder->force		 = conf_load->btf_encode_force;
+		encoder->gen_floats	 = conf_load->btf_gen_floats;
+		encoder->skip_encoding_vars = conf_load->skip_encoding_btf_vars;
 		encoder->verbose	 = verbose;
 		encoder->has_index_type  = false;
 		encoder->need_index_type = false;
diff --git a/btf_encoder.h b/btf_encoder.h
index 34516bb..f54c95a 100644
--- a/btf_encoder.h
+++ b/btf_encoder.h
@@ -16,7 +16,7 @@ struct btf;
 struct cu;
 struct list_head;
 
-struct btf_encoder *btf_encoder__new(struct cu *cu, const char *detached_filename, struct btf *base_btf, bool skip_encoding_vars, bool force, bool gen_floats, bool verbose);
+struct btf_encoder *btf_encoder__new(struct cu *cu, const char *detached_filename, struct btf *base_btf, bool verbose, struct conf_load *conf_load);
 void btf_encoder__delete(struct btf_encoder *encoder);
 
 int btf_encoder__encode(struct btf_encoder *encoder);
diff --git a/dwarves.h b/dwarves.h
index eb1a6df..db68161 100644
--- a/dwarves.h
+++ b/dwarves.h
@@ -68,6 +68,9 @@ struct conf_load {
 	bool			skip_encoding_btf_enum64;
 	bool			btf_gen_optimized;
 	bool			skip_encoding_btf_inconsistent_proto;
+	bool			skip_encoding_btf_vars;
+	bool			btf_gen_floats;
+	bool			btf_encode_force;
 	uint8_t			hashtable_bits;
 	uint8_t			max_hashtable_bits;
 	uint16_t		kabi_prefix_len;
diff --git a/pahole.c b/pahole.c
index e843999..7a41dc3 100644
--- a/pahole.c
+++ b/pahole.c
@@ -32,13 +32,10 @@
 static struct btf_encoder *btf_encoder;
 static char *detached_btf_filename;
 static bool btf_encode;
-static bool btf_gen_floats;
 static bool ctf_encode;
 static bool sort_output;
 static bool need_resort;
 static bool first_obj_only;
-static bool skip_encoding_btf_vars;
-static bool btf_encode_force;
 static const char *base_btf_file;
 
 static const char *prettify_input_filename;
@@ -1786,9 +1783,9 @@ static error_t pahole__options_parser(int key, char *arg,
 	case ARGP_header_type:
 		conf.header_type = arg;			break;
 	case ARGP_skip_encoding_btf_vars:
-		skip_encoding_btf_vars = true;		break;
+		conf_load.skip_encoding_btf_vars = true;	break;
 	case ARGP_btf_encode_force:
-		btf_encode_force = true;		break;
+		conf_load.btf_encode_force = true;	break;
 	case ARGP_btf_base:
 		base_btf_file = arg;			break;
 	case ARGP_kabi_prefix:
@@ -1797,9 +1794,9 @@ static error_t pahole__options_parser(int key, char *arg,
 	case ARGP_numeric_version:
 		print_numeric_version = true;		break;
 	case ARGP_btf_gen_floats:
-		btf_gen_floats = true;			break;
+		conf_load.btf_gen_floats = true;	break;
 	case ARGP_btf_gen_all:
-		btf_gen_floats = true;			break;
+		conf_load.btf_gen_floats = true;	break;
 	case ARGP_with_flexible_array:
 		show_with_flexible_array = true;	break;
 	case ARGP_prettify_input_filename:
@@ -3063,8 +3060,8 @@ static enum load_steal_kind pahole_stealer(struct cu *cu,
 			 * And, it is used by the thread
 			 * create it.
 			 */
-			btf_encoder = btf_encoder__new(cu, detached_btf_filename, conf_load->base_btf, skip_encoding_btf_vars,
-						       btf_encode_force, btf_gen_floats, global_verbose);
+			btf_encoder = btf_encoder__new(cu, detached_btf_filename, conf_load->base_btf,
+						       global_verbose, conf_load);
 			if (btf_encoder && thr_data) {
 				struct thread_data *thread = thr_data;
 
@@ -3093,10 +3090,8 @@ static enum load_steal_kind pahole_stealer(struct cu *cu,
 				thread->encoder =
 					btf_encoder__new(cu, detached_btf_filename,
 							 NULL,
-							 skip_encoding_btf_vars,
-							 btf_encode_force,
-							 btf_gen_floats,
-							 global_verbose);
+							 global_verbose,
+							 conf_load);
 				thread->btf = btf_encoder__btf(thread->encoder);
 			}
 			encoder = thread->encoder;
-- 
2.31.1





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