Make kdb_reenter() silent when explicitly called from db_error().
This removes the useless backtrace on various ddb(4) user errors. Reviewed by: jhb@ Obtained from: CheriBSD MFC after: 2 weeks Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D13212
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=326314
@ -556,7 +556,7 @@ db_error(const char *s)
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if (s)
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db_printf("%s", s);
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db_flush_lex();
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kdb_reenter();
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kdb_reenter_silent();
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}
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static void
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@ -509,6 +509,17 @@ kdb_reenter(void)
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/* NOTREACHED */
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}
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void
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kdb_reenter_silent(void)
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{
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if (!kdb_active || kdb_jmpbufp == NULL)
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return;
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longjmp(kdb_jmpbufp, 1);
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/* NOTREACHED */
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}
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/*
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* Thread related support functions.
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*/
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@ -80,6 +80,7 @@ void * kdb_jmpbuf(jmp_buf);
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void kdb_panic(const char *);
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void kdb_reboot(void);
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void kdb_reenter(void);
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void kdb_reenter_silent(void);
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struct pcb *kdb_thr_ctx(struct thread *);
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struct thread *kdb_thr_first(void);
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struct thread *kdb_thr_from_pid(pid_t);
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