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db_nextframe/amd64: remove TRAP_INTERRUPT frame type

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Besides the confusing name, this type is effectively unused.
In all cases where it could be set, the INTERRUPT type is set by the
earlier code.  The conditions for TRAP_INTERRUPT are a subset of the
conditions for INTERRUPT.

Reviewed by:	kib, markj
MFC after:	2 weeks
Differential Revision: https://reviews.freebsd.org/D22305
This commit is contained in:
Andriy Gapon 2019-11-11 17:11:49 +00:00
parent 467057fcd9
commit 2961e6efeb
1 changed files with 0 additions and 9 deletions
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9
sys/amd64/amd64/db_trace.c
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@ -123,7 +123,6 @@ db_frame(struct db_variable *vp, db_expr_t *valuep, int op)
#define TRAP 1
#define INTERRUPT 2
#define SYSCALL 3
#define TRAP_INTERRUPT 5
static void db_nextframe(struct amd64_frame **, db_addr_t *, struct thread *);
static void db_print_stack_entry(const char *, db_addr_t, void *);
@ -218,13 +217,6 @@ db_nextframe(struct amd64_frame **fp, db_addr_t *ip, struct thread *td)
else if (strcmp(name, "Xint0x80_syscall") == 0)
frame_type = SYSCALL;
#endif
/* XXX: These are interrupts with trap frames. */
else if (strcmp(name, "Xtimerint") == 0 ||
strcmp(name, "Xcpustop") == 0 ||
strcmp(name, "Xcpususpend") == 0 ||
strcmp(name, "Xrendezvous") == 0 ||
strcmp(name, "Xipi_intr_bitmap_handler") == 0)
frame_type = TRAP_INTERRUPT;
}
/*
@ -256,7 +248,6 @@ db_nextframe(struct amd64_frame **fp, db_addr_t *ip, struct thread *td)
db_printf("--- syscall");
decode_syscall(tf->tf_rax, td);
break;
case TRAP_INTERRUPT:
case INTERRUPT:
db_printf("--- interrupt");
break;