build: Add __visible to variables in compile_time_request.c

Add __visible to generated code in compile_time_request.c so that the
main code can be compiled with -fwhole-program.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

2 files changed, 9 insertions, 7 deletions

diff --git a/Makefile b/Makefile
index f993f55e..be5d3774 100644
--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@ CFLAGS := -I$(OUT) -Isrc -I$(OUT)board-generic/ -O2 -MD -g \
 CFLAGS += -flto -fwhole-program -fno-use-linker-plugin
 
 CFLAGS_klipper.o = $(CFLAGS) -Wl,-r -nostdlib
-CFLAGS_klipper.elf = $(CFLAGS) -Wl,--gc-sections -fno-whole-program
+CFLAGS_klipper.elf = $(CFLAGS) -Wl,--gc-sections
 
 CPPFLAGS = -I$(OUT) -P -MD -MT $@
 
diff --git a/scripts/buildcommands.py b/scripts/buildcommands.py
index c0584d15..a831f52b 100644
--- a/scripts/buildcommands.py
+++ b/scripts/buildcommands.py
@@ -15,6 +15,7 @@ FILEHEADER = """
 
 #include "board/pgm.h"
 #include "command.h"
+#include "compiler.h"
 """
 
 def error(msg):
@@ -68,7 +69,7 @@ def build_parsers(parsers, msg_to_id, all_param_types):
         parsercode = build_parser(parser, 0, all_param_types)
         pcode.append("{%s\n}, " % (parsercode,))
     fmt = """
-const struct command_encoder command_encoders[] PROGMEM = {
+const struct command_encoder command_encoders[] PROGMEM __visible = {
 %s
 };
 """
@@ -101,7 +102,7 @@ def build_commands(cmd_by_id, messages_by_name, all_param_types):
         index.append("    &%s," % (parsername,))
         parser = msgproto.MessageFormat(msgid, msg)
         parsercode = build_parser(parser, 1, all_param_types)
-        parsers.append("const struct command_parser %s PROGMEM = {"
+        parsers.append("const struct command_parser %s PROGMEM __visible = {"
                        "    %s\n    .flags=%s,\n    .func=%s\n};" % (
                            parsername, parsercode, flags, funcname))
     index = "\n".join(index)
@@ -112,11 +113,11 @@ def build_commands(cmd_by_id, messages_by_name, all_param_types):
 
 %s
 
-const struct command_parser * const command_index[] PROGMEM = {
+const struct command_parser * const command_index[] PROGMEM __visible = {
 %s
 };
 
-const uint8_t command_index_size PROGMEM = ARRAY_SIZE(command_index);
+const uint8_t command_index_size PROGMEM __visible = ARRAY_SIZE(command_index);
 """
     return fmt % (externs, '\n'.join(parsers), index)
 
@@ -146,11 +147,12 @@ def build_identify(cmd_by_id, msg_to_id, responses, static_strings
             out.append('\n   ')
         out.append(" 0x%02x," % (ord(zdata[i]),))
     fmt = """
-const uint8_t command_identify_data[] PROGMEM = {%s
+const uint8_t command_identify_data[] PROGMEM __visible = {%s
 };
 
 // Identify size = %d (%d uncompressed)
-const uint32_t command_identify_size PROGMEM = ARRAY_SIZE(command_identify_data);
+const uint32_t command_identify_size PROGMEM __visible
+    = ARRAY_SIZE(command_identify_data);
 """
     return data, fmt % (''.join(out), len(zdata), len(data))