Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r46211:84796b58d72a
Date: 2011-08-02 16:39 +0200
http://bitbucket.org/pypy/pypy/changeset/84796b58d72a/
Log: This code should only be used on 32-bit; it does not really make
sense on 64-bit.
diff --git a/pypy/jit/backend/x86/codebuf.py b/pypy/jit/backend/x86/codebuf.py
--- a/pypy/jit/backend/x86/codebuf.py
+++ b/pypy/jit/backend/x86/codebuf.py
@@ -25,8 +25,11 @@
self.init_block_builder()
# a list of relative positions; for each position p, the bytes
# at [p-4:p] encode an absolute address that will need to be
- # made relative.
- self.relocations = []
+ # made relative. Only works on 32-bit!
+ if WORD == 4:
+ self.relocations = []
+ else:
+ self.relocations = None
#
# ResOperation --> offset in the assembly.
# ops_offset[None] represents the beginning of the code after the last
op
@@ -42,9 +45,10 @@
def copy_to_raw_memory(self, addr):
self._copy_to_raw_memory(addr)
- for reloc in self.relocations:
- p = addr + reloc
- adr = rffi.cast(rffi.LONGP, p - WORD)
- adr[0] = intmask(adr[0] - p)
+ if self.relocations is not None:
+ for reloc in self.relocations:
+ p = addr + reloc
+ adr = rffi.cast(rffi.LONGP, p - WORD)
+ adr[0] = intmask(adr[0] - p)
valgrind.discard_translations(addr, self.get_relative_pos())
self._dump(addr, "jit-backend-dump", backend_name)
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