threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
28 lines
619 B
C
28 lines
619 B
C
/**
|
|
* @file backtrace.c
|
|
*
|
|
* @remark Copyright 2008 Tensilica Inc.
|
|
* Copyright (C) 2015 Cadence Design Systems Inc.
|
|
* @remark Read the file COPYING
|
|
*
|
|
*/
|
|
|
|
#include <linux/oprofile.h>
|
|
#include <asm/ptrace.h>
|
|
#include <asm/stacktrace.h>
|
|
|
|
static int xtensa_backtrace_cb(struct stackframe *frame, void *data)
|
|
{
|
|
oprofile_add_trace(frame->pc);
|
|
return 0;
|
|
}
|
|
|
|
void xtensa_backtrace(struct pt_regs * const regs, unsigned int depth)
|
|
{
|
|
if (user_mode(regs))
|
|
xtensa_backtrace_user(regs, depth, xtensa_backtrace_cb, NULL);
|
|
else
|
|
xtensa_backtrace_kernel(regs, depth, xtensa_backtrace_cb,
|
|
xtensa_backtrace_cb, NULL);
|
|
}
|