Author: rpaulo
Date: Thu Oct 16 01:48:39 2014
New Revision: 273157
URL: https://svnweb.freebsd.org/changeset/base/273157
Log:
Remove the "Unable to unwind further" message from DDB.
The ARM version of DDB is supposedly reliable enough making this
message benign.
Modified:
head/sys/arm/arm/db_trace.c
Modified: head/sys/arm/arm/db_trace.c
==============================================================================
--- head/sys/arm/arm/db_trace.c Thu Oct 16 01:32:22 2014 (r273156)
+++ head/sys/arm/arm/db_trace.c Thu Oct 16 01:48:39 2014 (r273157)
@@ -382,7 +382,7 @@ db_stack_trace_cmd(struct unwind_state *
} else {
/* A prel31 offset to the unwind table */
state->insn = (uint32_t *)
- ((uintptr_t)&index->insn +
+ ((uintptr_t)&index->insn +
db_expand_prel31(index->insn));
}
/* Run the unwind function */
@@ -407,7 +407,7 @@ db_stack_trace_cmd(struct unwind_state *
state->registers[SP], state->registers[FP]);
/* Don't print the registers we have already printed */
- upd_mask = state->update_mask &
+ upd_mask = state->update_mask &
~((1 << SP) | (1 << FP) | (1 << LR) | (1 << PC));
sep = "\n\t";
for (i = 0, reg = 0; upd_mask != 0; upd_mask >>= 1, reg++) {
@@ -421,7 +421,7 @@ db_stack_trace_cmd(struct unwind_state *
i = 0;
} else
sep = " ";
-
+
}
}
db_printf("\n");
@@ -436,7 +436,6 @@ db_stack_trace_cmd(struct unwind_state *
* message (maybe it needs a STOP_UNWINDING).
*/
if (index->insn == EXIDX_CANTUNWIND) {
- db_printf("Unable to unwind further\n");
finished = true;
} else if (state->registers[PC] < VM_MIN_KERNEL_ADDRESS) {
db_printf("Unable to unwind into user mode\n");
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