Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-06 00:14:22 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

xtensa:backtrace: fix backtrace last buffer error in some scene

Browse Source 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
This commit is contained in:
zhuyanlin
2022-03-04 11:22:45 +08:00
committed by Abdelatif Guettouche
parent 5659f685c1
commit 981282696f
1 changed files with 7 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/xtensa/src/common/xtensa_backtrace.c
+7 -11
View File
@@ -169,15 +169,12 @@ static int backtrace_stack(uintptr_t *base, uintptr_t *limit,
} }
} }
for (; i < size; sp = (uintptr_t *)*(sp - 3)) while (i < size)
{ {
if (sp > limit || sp < base)
{
break;
}
ra = (uintptr_t *)*(sp - 4); ra = (uintptr_t *)*(sp - 4);
if (ra == NULL) sp = (uintptr_t *)*(sp - 3);
if (sp >= limit || sp < base || ra == NULL)
{ {
break; break;
} }
@@ -236,7 +233,7 @@ int up_backtrace(struct tcb_s *tcb, void **buffer, int size, int skip)
if (up_interrupt_context()) if (up_interrupt_context())
{ {
#if CONFIG_ARCH_INTERRUPTSTACK > 15 #if CONFIG_ARCH_INTERRUPTSTACK > 15
uintptr_t istackbase; FAR void *istackbase;
#ifdef CONFIG_SMP #ifdef CONFIG_SMP
istackbase = xtensa_intstack_alloc(); istackbase = xtensa_intstack_alloc();
#else #else
@@ -244,9 +241,8 @@ int up_backtrace(struct tcb_s *tcb, void **buffer, int size, int skip)
#endif #endif
xtensa_window_spill(); xtensa_window_spill();
ret = backtrace_stack((void *)istackbase, ret = backtrace_stack(istackbase,
(void *)(istackbase + (istackbase + CONFIG_ARCH_INTERRUPTSTACK),
CONFIG_ARCH_INTERRUPTSTACK),
(void *)up_getsp(), NULL, (void *)up_getsp(), NULL,
buffer, size, &skip); buffer, size, &skip);
#else #else