Mercurial > repos > blastem
diff backend_x86.c @ 2268:5b308c7b098c
Avoid code mem allocation bomb when a div instruction gets rewritten
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sun, 25 Dec 2022 18:16:44 -0800 |
| parents | f82c090c1e89 |
| children | 6677afe78a6f |
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--- a/backend_x86.c Sat Dec 24 20:23:05 2022 -0800 +++ b/backend_x86.c Sun Dec 25 18:16:44 2022 -0800 @@ -81,11 +81,11 @@ cmp_rr(code, opts->cycles, opts->limit, SZ_D); cc = CC_A; } - check_alloc_code(code, MAX_INST_LEN*2); +ALLOC_CODE_RETRY_POINT code_ptr jmp_off = code->cur+1; jcc(code, cc, jmp_off+1); call(code, opts->handle_cycle_limit); - *jmp_off = code->cur - (jmp_off+1); + CHECK_BRANCH_DEST(jmp_off); } void log_address(cpu_options *opts, uint32_t address, char * format)