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Partly implement BOP assumption

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This commit is contained in:
Takashi Kokubun 2023-01-02 14:11:06 -08:00
parent 00c659d246
commit 21696ad81e
9 changed files with 126 additions and 21 deletions
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14
lib/ruby_vm/mjit/assembler.rb
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@ -31,12 +31,13 @@ module RubyVM::MJIT
@labels = {}
@label_id = 0
@comments = Hash.new { |h, k| h[k] = [] }
@blocks = Hash.new { |h, k| h[k] = [] }
@stub_starts = Hash.new { |h, k| h[k] = [] }
@stub_ends = Hash.new { |h, k| h[k] = [] }
end
def assemble(addr)
set_stub_addrs(addr)
set_code_addrs(addr)
resolve_rel32(addr)
resolve_labels
@ -307,6 +308,12 @@ module RubyVM::MJIT
@comments[@bytes.size] << message
end
# Mark the starting address of a block
def block(block)
@blocks[@bytes.size] << block
end
# Mark the starting/ending addresses of a stub
def stub(stub)
@stub_starts[@bytes.size] << stub
yield
@ -495,8 +502,11 @@ module RubyVM::MJIT
[Rel32.new(addr), Rel32Pad, Rel32Pad, Rel32Pad]
end
def set_stub_addrs(write_addr)
def set_code_addrs(write_addr)
(@bytes.size + 1).times do |index|
@blocks.fetch(index, []).each do |block|
block.start_addr = write_addr + index
end
@stub_starts.fetch(index, []).each do |stub|
stub.start_addr = write_addr + index
end