blob: 0e7d8801d955c5c2f56f75b254709b61217905ec [file] [log] [blame]
/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#define OPENOCD_UNIMPLEMENTED 0xffffffff
#if defined(CONFIG_OPENOCD_SUPPORT) && defined(CONFIG_THREAD_MONITOR)
enum {
OPENOCD_OFFSET_VERSION,
OPENOCD_OFFSET_K_CURR_THREAD,
OPENOCD_OFFSET_K_THREADS,
OPENOCD_OFFSET_T_ENTRY,
OPENOCD_OFFSET_T_NEXT_THREAD,
OPENOCD_OFFSET_T_STATE,
OPENOCD_OFFSET_T_USER_OPTIONS,
OPENOCD_OFFSET_T_PRIO,
OPENOCD_OFFSET_T_STACK_PTR,
OPENOCD_OFFSET_T_NAME,
OPENOCD_OFFSET_T_ARCH,
OPENOCD_OFFSET_T_PREEMPT_FLOAT,
OPENOCD_OFFSET_T_COOP_FLOAT,
};
#if CONFIG_MP_NUM_CPUS > 1
#error "This code doesn't work properly with multiple CPUs enabled"
#endif
/* Forward-compatibility notes: 1) Only append items to this table; otherwise
* OpenOCD versions that expect less items will read garbage values.
* 2) Avoid incompatible changes that affect the interpretation of existing
* items. But if you have to do them, increment OPENOCD_OFFSET_VERSION
* and submit a patch for OpenOCD to deal with both the old and new scheme.
* Only version 1 is backward compatible to version 0.
*/
__attribute__((used, section(".openocd_dbg")))
size_t _kernel_openocd_offsets[] = {
/* Version 0 starts */
[OPENOCD_OFFSET_VERSION] = 1,
[OPENOCD_OFFSET_K_CURR_THREAD] = offsetof(struct _cpu, current),
[OPENOCD_OFFSET_K_THREADS] = offsetof(struct z_kernel, threads),
[OPENOCD_OFFSET_T_ENTRY] = offsetof(struct k_thread, entry),
[OPENOCD_OFFSET_T_NEXT_THREAD] = offsetof(struct k_thread, next_thread),
[OPENOCD_OFFSET_T_STATE] = offsetof(struct _thread_base, thread_state),
[OPENOCD_OFFSET_T_USER_OPTIONS] = offsetof(struct _thread_base,
user_options),
[OPENOCD_OFFSET_T_PRIO] = offsetof(struct _thread_base, prio),
#if defined(CONFIG_ARM64)
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.sp),
#elif defined(CONFIG_ARM)
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.psp),
#elif defined(CONFIG_ARC)
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.sp),
#elif defined(CONFIG_X86)
#if defined(CONFIG_X86_64)
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.rsp),
#else
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.esp),
#endif
#elif defined(CONFIG_NIOS2)
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.sp),
#elif defined(CONFIG_RISCV)
[OPENOCD_OFFSET_T_STACK_PTR] = offsetof(struct k_thread,
callee_saved.sp),
#else
/* Use a special value so that OpenOCD knows that obtaining the stack
* pointer is not possible on this particular architecture.
*/
#warning Please define OPENOCD_OFFSET_T_STACK_PTR for this architecture
[OPENOCD_OFFSET_T_STACK_PTR] = OPENOCD_UNIMPLEMENTED,
#endif
/* Version 0 ends */
[OPENOCD_OFFSET_T_NAME] = offsetof(struct k_thread, name),
[OPENOCD_OFFSET_T_ARCH] = offsetof(struct k_thread, arch),
#if defined(CONFIG_FPU) && defined(CONFIG_FPU_SHARING) && defined(CONFIG_ARM)
[OPENOCD_OFFSET_T_PREEMPT_FLOAT] = offsetof(struct _thread_arch,
preempt_float),
[OPENOCD_OFFSET_T_COOP_FLOAT] = OPENOCD_UNIMPLEMENTED,
#elif defined(CONFIG_FPU) && defined(CONFIG_X86)
#if defined(CONFIG_X86_64)
[OPENOCD_OFFSET_T_PREEMPT_FLOAT] = offsetof(struct _thread_arch, sse),
#else
[OPENOCD_OFFSET_T_PREEMPT_FLOAT] = offsetof(struct _thread_arch,
preempFloatReg),
#endif
[OPENOCD_OFFSET_T_COOP_FLOAT] = OPENOCD_UNIMPLEMENTED,
#else
[OPENOCD_OFFSET_T_PREEMPT_FLOAT] = OPENOCD_UNIMPLEMENTED,
[OPENOCD_OFFSET_T_COOP_FLOAT] = OPENOCD_UNIMPLEMENTED,
#endif
/* Version is still 1, but existence of following elements must be
* checked with _kernel_openocd_num_offsets.
*/
};
__attribute__((used, section(".openocd_dbg")))
size_t _kernel_openocd_num_offsets = ARRAY_SIZE(_kernel_openocd_offsets);
__attribute__((used, section(".openocd_dbg")))
uint8_t _kernel_openocd_size_t_size = (uint8_t)sizeof(size_t);
#endif