b1def7145f
`_current` is now functionally equals to `arch_curr_thread()`, remove its usage in-tree and deprecate it instead of removing it outright, as it has been with us since forever. Signed-off-by: Yong Cong Sin <ycsin@meta.com> Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* Copyright (c) 2024 Meta Platforms
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "kernel_shell.h"
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#include <zephyr/debug/symtab.h>
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#include <zephyr/kernel.h>
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static bool print_trace_address(void *arg, unsigned long ra)
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{
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const struct shell *sh = arg;
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#ifdef CONFIG_SYMTAB
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uint32_t offset = 0;
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const char *name = symtab_find_symbol_name(ra, &offset);
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shell_print(sh, "ra: %p [%s+0x%x]", (void *)ra, name, offset);
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#else
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shell_print(sh, "ra: %p", (void *)ra);
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#endif
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return true;
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}
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static int cmd_kernel_thread_unwind(const struct shell *sh, size_t argc, char **argv)
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{
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struct k_thread *thread;
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int err = 0;
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if (argc == 1) {
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thread = arch_current_thread();
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} else {
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thread = UINT_TO_POINTER(shell_strtoull(argv[1], 16, &err));
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if (err != 0) {
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shell_error(sh, "Unable to parse thread ID %s (err %d)", argv[1], err);
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return err;
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}
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if (!z_thread_is_valid(thread)) {
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shell_error(sh, "Invalid thread id %p", (void *)thread);
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return -EINVAL;
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}
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}
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shell_print(sh, "Unwinding %p %s", (void *)thread, thread->name);
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arch_stack_walk(print_trace_address, (void *)sh, thread, NULL);
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return 0;
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}
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KERNEL_THREAD_CMD_ARG_ADD(unwind, NULL, "Unwind a thread.", cmd_kernel_thread_unwind, 1, 1);
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