RJIT: Make functions in rjit_c.c static

They don't need to be global.

rjit.c

@@ -500,6 +500,10 @@ rb_rjit_init(const struct rjit_options *opts)
 #endif
 }
 
+//
+// Primitive for rjit.rb
+//
+
 // Same as `RubyVM::RJIT::C.enabled?`, but this is used before rjit_init.
 static VALUE
 rjit_stats_enabled_p(rb_execution_context_t *ec, VALUE self)

rjit_c.c

@@ -33,14 +33,14 @@
 
 #include <errno.h>
 
-bool
-rb_rjit_mark_writable(void *mem_block, uint32_t mem_size)
+static bool
+rjit_mark_writable(void *mem_block, uint32_t mem_size)
 {
     return mprotect(mem_block, mem_size, PROT_READ | PROT_WRITE) == 0;
 }
 
-void
-rb_rjit_mark_executable(void *mem_block, uint32_t mem_size)
+static void
+rjit_mark_executable(void *mem_block, uint32_t mem_size)
 {
     // Do not call mprotect when mem_size is zero. Some platforms may return
     // an error for it. https://github.com/Shopify/ruby/issues/450
@@ -53,16 +53,16 @@ rb_rjit_mark_executable(void *mem_block, uint32_t mem_size)
     }
 }
 
-VALUE
-rb_rjit_optimized_call(VALUE *recv, rb_execution_context_t *ec, int argc, VALUE *argv, int kw_splat, VALUE block_handler)
+static VALUE
+rjit_optimized_call(VALUE *recv, rb_execution_context_t *ec, int argc, VALUE *argv, int kw_splat, VALUE block_handler)
 {
     rb_proc_t *proc;
     GetProcPtr(recv, proc);
     return rb_vm_invoke_proc(ec, proc, argc, argv, kw_splat, block_handler);
 }
 
-VALUE
-rb_rjit_str_neq_internal(VALUE str1, VALUE str2)
+static VALUE
+rjit_str_neq_internal(VALUE str1, VALUE str2)
 {
     return rb_str_eql_internal(str1, str2) == Qtrue ? Qfalse : Qtrue;
 }
@@ -70,8 +70,8 @@ rb_rjit_str_neq_internal(VALUE str1, VALUE str2)
 // The code we generate in gen_send_cfunc() doesn't fire the c_return TracePoint event
 // like the interpreter. When tracing for c_return is enabled, we patch the code after
 // the C method return to call into this to fire the event.
-void
-rb_rjit_full_cfunc_return(rb_execution_context_t *ec, VALUE return_value)
+static void
+rjit_full_cfunc_return(rb_execution_context_t *ec, VALUE return_value)
 {
     rb_control_frame_t *cfp = ec->cfp;
     RUBY_ASSERT_ALWAYS(cfp == GET_EC()->cfp);
@@ -97,8 +97,8 @@ rb_rjit_full_cfunc_return(rb_execution_context_t *ec, VALUE return_value)
     ec->cfp->sp++;
 }
 
-rb_proc_t *
-rb_rjit_get_proc_ptr(VALUE procv)
+static rb_proc_t *
+rjit_get_proc_ptr(VALUE procv)
 {
     rb_proc_t *proc;
     GetProcPtr(procv, proc);

rjit_c.rb

@@ -11,16 +11,16 @@ module RubyVM::RJIT # :nodoc: all
     #
     def rjit_mark_writable
       Primitive.cstmt! %{
-        extern bool rb_rjit_mark_writable(void *mem_block, uint32_t mem_size);
-        rb_rjit_mark_writable(rb_rjit_mem_block, RJIT_CODE_SIZE);
+        extern bool rjit_mark_writable(void *mem_block, uint32_t mem_size);
+        rjit_mark_writable(rb_rjit_mem_block, RJIT_CODE_SIZE);
         return Qnil;
       }
     end
 
     def rjit_mark_executable
       Primitive.cstmt! %{
-        extern void rb_rjit_mark_executable(void *mem_block, uint32_t mem_size);
-        rb_rjit_mark_executable(rb_rjit_mem_block, RJIT_CODE_SIZE);
+        extern void rjit_mark_executable(void *mem_block, uint32_t mem_size);
+        rjit_mark_executable(rb_rjit_mem_block, RJIT_CODE_SIZE);
         return Qnil;
       }
     end
@@ -147,8 +147,8 @@ module RubyVM::RJIT # :nodoc: all
 
     def rb_full_cfunc_return
       Primitive.cstmt! %{
-        extern void rb_rjit_full_cfunc_return(rb_execution_context_t *ec, VALUE return_value);
-        return SIZET2NUM((size_t)rb_rjit_full_cfunc_return);
+        extern void rjit_full_cfunc_return(rb_execution_context_t *ec, VALUE return_value);
+        return SIZET2NUM((size_t)rjit_full_cfunc_return);
       }
     end
 
@@ -177,8 +177,8 @@ module RubyVM::RJIT # :nodoc: all
 
     def rb_str_neq_internal
       Primitive.cstmt! %{
-        extern VALUE rb_rjit_str_neq_internal(VALUE str1, VALUE str2);
-        return SIZET2NUM((size_t)rb_rjit_str_neq_internal);
+        extern VALUE rjit_str_neq_internal(VALUE str1, VALUE str2);
+        return SIZET2NUM((size_t)rjit_str_neq_internal);
       }
     end
 
@@ -398,8 +398,8 @@ module RubyVM::RJIT # :nodoc: all
 
     def rb_optimized_call
       Primitive.cstmt! %{
-        extern VALUE rb_rjit_optimized_call(VALUE *recv, rb_execution_context_t *ec, int argc, VALUE *argv, int kw_splat, VALUE block_handler);
-        return SIZET2NUM((size_t)rb_rjit_optimized_call);
+        extern VALUE rjit_optimized_call(VALUE *recv, rb_execution_context_t *ec, int argc, VALUE *argv, int kw_splat, VALUE block_handler);
+        return SIZET2NUM((size_t)rjit_optimized_call);
       }
     end
 
@@ -414,8 +414,8 @@ module RubyVM::RJIT # :nodoc: all
 
     def rb_yjit_get_proc_ptr(proc_addr)
       proc_t_addr = Primitive.cstmt! %{
-        extern rb_proc_t * rb_rjit_get_proc_ptr(VALUE procv);
-        return SIZET2NUM((size_t)rb_rjit_get_proc_ptr((VALUE)NUM2SIZET(proc_addr)));
+        extern rb_proc_t * rjit_get_proc_ptr(VALUE procv);
+        return SIZET2NUM((size_t)rjit_get_proc_ptr((VALUE)NUM2SIZET(proc_addr)));
       }
       rb_proc_t.new(proc_t_addr)
     end