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commit 716a29ebebc0dbb00ed9e21b8fa6019602c2987c Author: Abdelatif Guettouche <[email protected]> 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 <[email protected]> --- 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:
