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Make sure to flush/sync the D/I-cache for all generated code.

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Mike Pall 2011-10-24 16:16:14 +02:00
parent 32098921fd
commit 8fc9bc1724
1 changed files with 4 additions and 2 deletions
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6
src/lj_asm.c
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@ -1652,6 +1652,7 @@ void lj_asm_trace(jit_State *J, GCtrace *T)
{ {
ASMState as_; ASMState as_;
ASMState *as = &as_; ASMState *as = &as_;
MCode *origtop;
/* Ensure an initialized instruction beyond the last one for HIOP checks. */ /* Ensure an initialized instruction beyond the last one for HIOP checks. */
J->cur.nins = lj_ir_nextins(J); J->cur.nins = lj_ir_nextins(J);
@ -1674,7 +1675,8 @@ void lj_asm_trace(jit_State *J, GCtrace *T)
} else { } else {
as->parent = NULL; as->parent = NULL;
} }
as->mctop = lj_mcode_reserve(J, &as->mcbot); /* Reserve MCode memory. */ /* Reserve MCode memory. */
as->mctop = origtop = lj_mcode_reserve(J, &as->mcbot);
as->mcp = as->mctop; as->mcp = as->mctop;
as->mclim = as->mcbot + MCLIM_REDZONE; as->mclim = as->mcbot + MCLIM_REDZONE;
asm_setup_target(as); asm_setup_target(as);
@ -1737,7 +1739,7 @@ void lj_asm_trace(jit_State *J, GCtrace *T)
if (!as->loopref) if (!as->loopref)
asm_tail_fixup(as, T->link); /* Note: this may change as->mctop! */ asm_tail_fixup(as, T->link); /* Note: this may change as->mctop! */
T->szmcode = (MSize)((char *)as->mctop - (char *)as->mcp); T->szmcode = (MSize)((char *)as->mctop - (char *)as->mcp);
asm_cache_flush(T->mcode, as->mctop); asm_cache_flush(T->mcode, origtop);
} }
#undef IR #undef IR