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arm: fix backtrace busyloop

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Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd 2022-08-04 21:28:25 +08:00 committed by Xiang Xiao
parent b3ebe66ff5
commit 3a023f4d1a
1 changed files with 3 additions and 4 deletions
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7
arch/arm/src/common/arm_backtrace_fp.c
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@ -52,14 +52,13 @@ static int backtrace(uintptr_t *base, uintptr_t *limit,
if (pc) if (pc)
{ {
i++;
if ((*skip)-- <= 0) if ((*skip)-- <= 0)
{ {
*buffer++ = pc; buffer[i++] = pc;
} }
} }
for (; i < size; fp = (uintptr_t *)*(fp - 1), i++) for (; i < size; fp = (uintptr_t *)*(fp - 1))
{ {
if (fp > limit || fp < base || *fp == 0) if (fp > limit || fp < base || *fp == 0)
{ {
@ -68,7 +67,7 @@ static int backtrace(uintptr_t *base, uintptr_t *limit,
if ((*skip)-- <= 0) if ((*skip)-- <= 0)
{ {
*buffer++ = (void *)*fp; buffer[i++] = (void *)*fp;
} }
} }