Rename x86 dir to arch_x86

1 files changed, 138 insertions, 0 deletions

diff --git a/arch_x86/gdbstub_sys.h b/arch_x86/gdbstub_sys.h
new file mode 100644
index 0000000..82f7ca9
--- /dev/null
+++ b/arch_x86/gdbstub_sys.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2016-2019 Matt Borgerson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _GDBSTUB_SYS_H_
+#define _GDBSTUB_SYS_H_
+
+/* Define the size_t type */
+#define DBG_DEFINE_SIZET 1
+
+/* Define required standard integer types (e.g. uint16_t) */
+#define DBG_DEFINE_STDINT 1
+
+/*****************************************************************************
+ * Types
+ ****************************************************************************/
+
+#if DBG_DEFINE_STDINT
+typedef unsigned char  uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned long  uint32_t;
+#endif
+
+#if DBG_DEFINE_SIZET
+typedef unsigned int size_t;
+#endif
+
+typedef unsigned int address;
+typedef unsigned int reg;
+
+#pragma pack(1)
+struct dbg_interrupt_state {
+	uint32_t ss;
+	uint32_t gs;
+	uint32_t fs;
+	uint32_t es;
+	uint32_t ds;
+	uint32_t edi;
+	uint32_t esi;
+	uint32_t ebp;
+	uint32_t esp;
+	uint32_t ebx;
+	uint32_t edx;
+	uint32_t ecx;
+	uint32_t eax;
+	uint32_t vector;
+	uint32_t error_code;
+	uint32_t eip;
+	uint32_t cs;
+	uint32_t eflags;
+};
+#pragma pack()
+
+#pragma pack(1)
+struct dbg_idtr
+{
+	uint16_t len;
+	uint32_t offset;
+};
+#pragma pack()
+
+#pragma pack(1)
+struct dbg_idt_gate
+{
+	uint16_t offset_low;
+	uint16_t segment;
+	uint16_t flags;
+	uint16_t offset_high;
+};
+#pragma pack()
+
+enum DBG_REGISTER {
+	DBG_CPU_I386_REG_EAX       = 0,
+	DBG_CPU_I386_REG_ECX       = 1,
+	DBG_CPU_I386_REG_EDX       = 2,
+	DBG_CPU_I386_REG_EBX       = 3,
+	DBG_CPU_I386_REG_ESP       = 4,
+	DBG_CPU_I386_REG_EBP       = 5,
+	DBG_CPU_I386_REG_ESI       = 6,
+	DBG_CPU_I386_REG_EDI       = 7,
+	DBG_CPU_I386_REG_PC        = 8,
+	DBG_CPU_I386_REG_PS        = 9,
+	DBG_CPU_I386_REG_CS        = 10,
+	DBG_CPU_I386_REG_SS        = 11,
+	DBG_CPU_I386_REG_DS        = 12,
+	DBG_CPU_I386_REG_ES        = 13,
+	DBG_CPU_I386_REG_FS        = 14,
+	DBG_CPU_I386_REG_GS        = 15,
+	DBG_CPU_I386_NUM_REGISTERS = 16
+};
+
+struct dbg_state {
+	int signum;
+	reg registers[DBG_CPU_I386_NUM_REGISTERS];
+};
+
+/*****************************************************************************
+ * Const Data
+ ****************************************************************************/
+
+extern void const * const dbg_int_handlers[];
+
+/*****************************************************************************
+ * Prototypes
+ ****************************************************************************/
+
+int dbg_hook_idt(uint8_t vector, const void *function);
+int dbg_init_gates(void);
+int dbg_init_idt(void);
+int dbg_load_idt(struct dbg_idtr *idtr);
+int dbg_store_idt(struct dbg_idtr *idtr);
+uint32_t dbg_get_cs(void);
+void dbg_int_handler(struct dbg_interrupt_state *istate);
+void dbg_interrupt(struct dbg_interrupt_state *istate);
+void dbg_start(void);
+void dbg_io_write_8(uint16_t port, uint8_t val);
+uint8_t dbg_io_read_8(uint16_t port);
+void *dbg_sys_memset(void *ptr, int data, size_t len);
+
+#endif