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translate-all: define and use DEBUG_TB_INVALIDATE_GATE
This gets rid of an ifdef check while ensuring that the debug code is compiled, which prevents bit rot. Backports commit dae9e03aed8e652f5dce2e5cab05dff83aa193b8 from qemu
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@ -66,6 +66,12 @@
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/* make various TB consistency checks */
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/* #define DEBUG_TB_CHECK */
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#ifdef DEBUG_TB_INVALIDATE
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#define DEBUG_TB_INVALIDATE_GATE 1
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#else
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#define DEBUG_TB_INVALIDATE_GATE 0
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#endif
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#ifdef DEBUG_TB_FLUSH
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#define DEBUG_TB_FLUSH_GATE 1
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#else
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@ -1249,9 +1255,9 @@ static inline void tb_alloc_page(struct uc_struct *uc, TranslationBlock *tb,
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}
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mprotect(g2h(page_addr), uc->qemu_host_page_size,
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(prot & PAGE_BITS) & ~PAGE_WRITE);
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#ifdef DEBUG_TB_INVALIDATE
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printf("protecting code page: 0x" TB_PAGE_ADDR_FMT "\n", page_addr);
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#endif
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if (DEBUG_TB_INVALIDATE_GATE) {
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printf("protecting code page: 0x" TB_PAGE_ADDR_FMT "\n", page_addr);
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}
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}
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#else
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/* if some code is already present, then the pages are already
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