ruby-x/rubyx
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

improve label names a bit

Browse Source
This commit is contained in:
Torsten Ruger
2015-11-01 19:13:40 +02:00
parent d3a7809746
commit 834266e11e
3 changed files with 11 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
lib/register/builtin/kernel.rb
View File

@ -6,7 +6,7 @@ module Register
# it isn't really a function, ie it is jumped to (not called), exits and may not return
# so it is responsible for initial setup
def __init__ context
source = "Kernel.__init__"
source = "__init__"
compiler = Soml::Compiler.new.create_method(:Kernel,:__init__ , [])
# no method enter or return (automatically added), remove
new_start = Label.new(source , source )
@ -27,18 +27,19 @@ module Register
emit_syscall( compiler , :exit )
return compiler.method
end
def exit context
compiler = Soml::Compiler.new.create_method(:Kernel,:exit , []).init_method
emit_syscall( compiler , :exit )
return compiler.method
ret = RegisterMachine.instance.exit(function)
function.set_return ret
function
end
def emit_syscall compiler , name
save_message( compiler )
compiler.add_code Syscall.new("emit_syscall(#{name})", name )
restore_message(compiler)
return unless (@clazz and @method)
compiler.add_code Label.new( "#{@clazz.name}.#{@message.name}" , "return_syscall" )
end
# save the current message, as the syscall destroys all context
@ -53,12 +54,13 @@ module Register
def restore_message(compiler)
r8 = RegisterValue.new( :r8 , :Message)
return_tmp = Register.tmp_reg :Integer
source = "_restore_message"
# get the sys return out of the way
compiler.add_code RegisterTransfer.new("restore_message", Register.message_reg , return_tmp )
compiler.add_code RegisterTransfer.new(source, Register.message_reg , return_tmp )
# load the stored message into the base RegisterMachine
compiler.add_code RegisterTransfer.new("restore_message", r8 , Register.message_reg )
compiler.add_code RegisterTransfer.new(source, r8 , Register.message_reg )
# save the return value into the message
compiler.add_code Register.set_slot( "restore_message" , return_tmp , :message , :return_value )
compiler.add_code Register.set_slot( source , return_tmp , :message , :return_value )
# and "unroll" self and frame
end
end