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Posted to commits@nuttx.apache.org by ac...@apache.org on 2020/12/09 12:44:18 UTC
[incubator-nuttx] 01/06: arch/xtensa/src/common/xtensa_backtrace.S:
Update the comments to show the functions in play during the backtrace.
This is an automated email from the ASF dual-hosted git repository.
acassis pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 716a29ebebc0dbb00ed9e21b8fa6019602c2987c
Author: Abdelatif Guettouche <ab...@espressif.com>
AuthorDate: Fri Nov 27 10:27:36 2020 +0000
arch/xtensa/src/common/xtensa_backtrace.S: Update the comments to show
the functions in play during the backtrace.
Signed-off-by: Abdelatif Guettouche <ab...@espressif.com>
---
arch/xtensa/src/common/xtensa_backtrace.S | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/arch/xtensa/src/common/xtensa_backtrace.S b/arch/xtensa/src/common/xtensa_backtrace.S
index e5204b4..05329be 100644
--- a/arch/xtensa/src/common/xtensa_backtrace.S
+++ b/arch/xtensa/src/common/xtensa_backtrace.S
@@ -30,18 +30,19 @@
#include "xtensa_abi.h"
/*
- * This is how the stack looks like when calling the function below:
+ * This is how the call stack looks like when calling the function below
+ * from xtensa_dumpstate():
*
* High Addr
* ..................
* | i-3 BSA |
- * | i-1 locals | Function B
+ * | i-1 locals | xtensa_assert()
* .................. i-1 SP
* | i-2 BSA |
- * | i locals | Function A (Start of backtrace)
+ * | i locals | xtensa_dumpstate()
* ------------------ i SP
* | i-1 BSA |
- * | i+1 locals | Backtracing function (e.g. xtensa_btdump())
+ * | i+1 locals | xtensa_btdump()
* ------------------ i+1 SP
* | i BSA |
* | i+2 locals | xtensa_backtrace_start()
@@ -56,7 +57,7 @@
* Name: xtensa_backtrace_start
*
* Description:
- * Get the first frame of the current stack's backtrace
+ * Get the first frame of the current stack's backtrace.
*
* Given the following function call flow (B -> A -> X -> xtensa_backtrace_start),
* this function will do the following: