/* * Copyright (c) 2010-2014 Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ /** * @file * @brief Kernel structure member offset definition file * * This module is responsible for the generation of the absolute symbols whose * value represents the member offsets for various IA-32 structures. * * All of the absolute symbols defined by this module will be present in the * final kernel ELF image (due to the linker's reference to the _OffsetAbsSyms * symbol). * * INTERNAL * It is NOT necessary to define the offset for every member of a structure. * Typically, only those members that are accessed by assembly language routines * are defined; however, it doesn't hurt to define all fields for the sake of * completeness. */ #include /* located in kernel/include */ /* list of headers that define whose structure offsets will be generated */ #include #include #include #ifdef CONFIG_DEBUG_INFO GEN_OFFSET_SYM(_kernel_arch_t, isf); #endif #ifdef CONFIG_GDB_INFO GEN_OFFSET_SYM(_thread_arch_t, esf); #endif #if (defined(CONFIG_FP_SHARING) || defined(CONFIG_GDB_INFO)) GEN_OFFSET_SYM(_thread_arch_t, excNestCount); #endif GEN_OFFSET_SYM(_thread_arch_t, coopFloatReg); GEN_OFFSET_SYM(_thread_arch_t, preempFloatReg); /* size of the struct tcs structure sans save area for floating point regs */ GEN_ABSOLUTE_SYM(_K_THREAD_NO_FLOAT_SIZEOF, sizeof(struct k_thread) - sizeof(tCoopFloatReg) - sizeof(tPreempFloatReg)); GEN_OFFSET_SYM(_callee_saved_t, esp); GEN_OFFSET_SYM(tSwapStk, eax); GEN_OFFSET_SYM(tSwapStk, ebp); GEN_OFFSET_SYM(tSwapStk, ebx); GEN_OFFSET_SYM(tSwapStk, esi); GEN_OFFSET_SYM(tSwapStk, edi); GEN_OFFSET_SYM(tSwapStk, retAddr); GEN_OFFSET_SYM(tSwapStk, param); /* size of the entire tSwapStk structure */ GEN_ABSOLUTE_SYM(__tSwapStk_SIZEOF, sizeof(tSwapStk)); /* NANO_ESF structure member offsets */ GEN_OFFSET_SYM(NANO_ESF, esp); GEN_OFFSET_SYM(NANO_ESF, ebp); GEN_OFFSET_SYM(NANO_ESF, ebx); GEN_OFFSET_SYM(NANO_ESF, esi); GEN_OFFSET_SYM(NANO_ESF, edi); GEN_OFFSET_SYM(NANO_ESF, edx); GEN_OFFSET_SYM(NANO_ESF, ecx); GEN_OFFSET_SYM(NANO_ESF, eax); GEN_OFFSET_SYM(NANO_ESF, errorCode); GEN_OFFSET_SYM(NANO_ESF, eip); GEN_OFFSET_SYM(NANO_ESF, cs); GEN_OFFSET_SYM(NANO_ESF, eflags); /* tTaskStateSegment structure member offsets */ /* size of the ISR_LIST structure. Used by linker scripts */ GEN_ABSOLUTE_SYM(__ISR_LIST_SIZEOF, sizeof(ISR_LIST)); GEN_ABS_SYM_END