1 /* 2 * Copyright (c) 2020 Intel Corporation. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** 8 * @file 9 * @brief IA-32 specific gdbstub interface header 10 */ 11 12 #ifndef ZEPHYR_INCLUDE_ARCH_X86_GDBSTUB_SYS_H_ 13 #define ZEPHYR_INCLUDE_ARCH_X86_GDBSTUB_SYS_H_ 14 15 #ifndef _ASMLANGUAGE 16 17 #include <stdint.h> 18 #include <zephyr/toolchain.h> 19 20 /** 21 * @brief Number of register used by gdbstub in IA-32 22 */ 23 #define GDB_STUB_NUM_REGISTERS 16 24 25 /** 26 * @brief GDB interruption context 27 * 28 * The exception stack frame contents used by gdbstub. The contents 29 * of this struct are used to display information about the current 30 * cpu state. 31 */ 32 33 struct gdb_interrupt_ctx { 34 uint32_t ss; 35 uint32_t gs; 36 uint32_t fs; 37 uint32_t es; 38 uint32_t ds; 39 uint32_t edi; 40 uint32_t esi; 41 uint32_t ebp; 42 uint32_t esp; 43 uint32_t ebx; 44 uint32_t edx; 45 uint32_t ecx; 46 uint32_t eax; 47 uint32_t vector; 48 uint32_t error_code; 49 uint32_t eip; 50 uint32_t cs; 51 uint32_t eflags; 52 } __packed; 53 54 /** 55 * @brief IA-32 register used in gdbstub 56 */ 57 58 enum GDB_REGISTER { 59 GDB_EAX, 60 GDB_ECX, 61 GDB_EDX, 62 GDB_EBX, 63 GDB_ESP, 64 GDB_EBP, 65 GDB_ESI, 66 GDB_EDI, 67 GDB_PC, 68 GDB_EFLAGS, 69 GDB_CS, 70 GDB_SS, 71 GDB_DS, 72 GDB_ES, 73 GDB_FS, 74 GDB_GS, 75 GDB_ORIG_EAX = 41, 76 }; 77 78 struct gdb_ctx { 79 unsigned int exception; 80 unsigned int registers[GDB_STUB_NUM_REGISTERS]; 81 }; 82 83 #endif /* _ASMLANGUAGE */ 84 85 #endif /* ZEPHYR_INCLUDE_ARCH_X86_GDBSTUB_SYS_H_ */ 86
