зеркало из https://github.com/github/ruby.git
fix r56030 [Bug #12711]
check whether it was syscall or not by getting previous instruction. syscall instruction is 0x0f 0x05. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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564512db58
Коммит
8a1c7babec
11
vm_dump.c
11
vm_dump.c
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@ -469,13 +469,14 @@ darwin_sigtramp:
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unw_set_reg(&cursor, UNW_X86_64_R13, uctx->uc_mcontext->__ss.__r13);
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unw_set_reg(&cursor, UNW_X86_64_R14, uctx->uc_mcontext->__ss.__r14);
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unw_set_reg(&cursor, UNW_X86_64_R15, uctx->uc_mcontext->__ss.__r15);
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ip = *(unw_word_t*)uctx->uc_mcontext->__ss.__rsp;
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if (!ip) { /* signal received in syscall */
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ip = uctx->uc_mcontext->__ss.__rip;
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ip = uctx->uc_mcontext->__ss.__rip;
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if (((char*)ip)[-2] == 0x0f && ((char*)ip)[-1] == 5) {
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/* signal received in syscall */
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trace[n++] = (void *)ip;
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ip = *(unw_word_t*)uctx->uc_mcontext->__ss.__rsp;
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}
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unw_set_reg(&cursor, UNW_REG_IP, ip);
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trace[n++] = (void *)uctx->uc_mcontext->__ss.__rip;
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trace[n++] = (void *)ip;
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unw_set_reg(&cursor, UNW_REG_IP, ip);
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}
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while (unw_step(&cursor) > 0) {
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unw_get_reg(&cursor, UNW_REG_IP, &ip);
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