forked from Imagelibrary/rtems
126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/**
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* @file
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* @ingroup lm32_gdb
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* @brief definition of the interface between the stub and gdb
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*/
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/*
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* gdb_if.h - definition of the interface between the stub and gdb
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* The following software is offered for use in the public domain.
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* There is no warranty with regard to this software or its performance
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* and the user must accept the software "AS IS" with all faults.
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*
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* THE CONTRIBUTORS DISCLAIM ANY WARRANTIES, EXPRESS OR IMPLIED, WITH
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* REGARD TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/**
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* @defgroup lm32_gdb LM32 GDB Interface
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* @ingroup lm32_shared
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* @brief Definition of the interface between the stub and gdb,
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* @{
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*/
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#ifndef _GDB_IF_H
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#define _GDB_IF_H
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/** @brief Max number of threads in qM response */
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#define QM_MAX_THREADS (20)
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struct rtems_gdb_stub_thread_info {
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char display[256];
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char name[256];
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char more_display[256];
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};
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/*
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* Prototypes
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*/
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int parse_zbreak(const char *in, int *type, unsigned char **addr, int *len);
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char* mem2hstr(char *buf, const unsigned char *mem, int count);
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int hstr2mem(unsigned char *mem, const char *buf, int count);
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void set_mem_err(void);
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unsigned char get_byte(const unsigned char *ptr);
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void set_byte(unsigned char *ptr, int val);
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char* thread2vhstr(char *buf, int thread);
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char* thread2fhstr(char *buf, int thread);
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const char* fhstr2thread(const char *buf, int *thread);
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const char* vhstr2thread(const char *buf, int *thread);
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char* int2fhstr(char *buf, int val);
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char* int2vhstr(char *buf, int vali);
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const char* fhstr2int(const char *buf, int *ival);
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const char* vhstr2int(const char *buf, int *ival);
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int hstr2byte(const char *buf, int *bval);
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int hstr2nibble(const char *buf, int *nibble);
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Thread_Control *rtems_gdb_index_to_stub_id(int);
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int rtems_gdb_stub_thread_support_ok(void);
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int rtems_gdb_stub_get_current_thread(void);
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int rtems_gdb_stub_get_next_thread(int);
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int rtems_gdb_stub_get_offsets(
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unsigned char **text_addr,
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unsigned char **data_addr,
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unsigned char **bss_addr
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);
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int rtems_gdb_stub_get_thread_regs(
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int thread,
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unsigned int *registers
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);
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int rtems_gdb_stub_set_thread_regs(
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int thread,
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unsigned int *registers
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);
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void rtems_gdb_process_query(
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char *inbuffer,
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char *outbuffer,
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int do_threads,
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int thread
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);
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/** @brief Exception IDs */
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#define LM32_EXCEPTION_RESET 0x0
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#define LM32_EXCEPTION_INST_BREAKPOINT 0x1
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#define LM32_EXCEPTION_INST_BUS_ERROR 0x2
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#define LM32_EXCEPTION_DATA_BREAKPOINT 0x3
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#define LM32_EXCEPTION_DATA_BUS_ERROR 0x4
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#define LM32_EXCEPTION_DIVIDE_BY_ZERO 0x5
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#define LM32_EXCEPTION_INTERRUPT 0x6
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#define LM32_EXCEPTION_SYSTEM_CALL 0x7
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/** @brief Breakpoint instruction */
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#define LM32_BREAK 0xac000002UL
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/** @brief This numbering must be consistant with GDBs numbering in gdb/lm32-tdep.c */
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enum lm32_regnames {
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LM32_REG_R0, LM32_REG_R1, LM32_REG_R2, LM32_REG_R3, LM32_REG_R4, LM32_REG_R5,
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LM32_REG_R6, LM32_REG_R7, LM32_REG_R8, LM32_REG_R9, LM32_REG_R10,
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LM32_REG_R11, LM32_REG_R12, LM32_REG_R13, LM32_REG_R14, LM32_REG_R15,
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LM32_REG_R16, LM32_REG_R17, LM32_REG_R18, LM32_REG_R19, LM32_REG_R20,
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LM32_REG_R21, LM32_REG_R22, LM32_REG_R23, LM32_REG_R24, LM32_REG_R25,
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LM32_REG_GP, LM32_REG_FP, LM32_REG_SP, LM32_REG_RA, LM32_REG_EA, LM32_REG_BA,
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LM32_REG_PC, LM32_REG_EID, LM32_REG_EBA, LM32_REG_DEBA, LM32_REG_IE, NUM_REGS
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};
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/* keep this in sync with the debug isr handler in lm32-debug.S */
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enum lm32_int_regnames {
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LM32_INT_REG_R1, LM32_INT_REG_R2, LM32_INT_REG_R3, LM32_INT_REG_R4,
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LM32_INT_REG_R5, LM32_INT_REG_R6, LM32_INT_REG_R7, LM32_INT_REG_R8,
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LM32_INT_REG_R9, LM32_INT_REG_R10, LM32_INT_REG_RA, LM32_INT_REG_EA,
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LM32_INT_REG_BA, LM32_INT_REG_R11, LM32_INT_REG_R12, LM32_INT_REG_R13,
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LM32_INT_REG_R14, LM32_INT_REG_R15, LM32_INT_REG_R16, LM32_INT_REG_R17,
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LM32_INT_REG_R18, LM32_INT_REG_R19, LM32_INT_REG_R20, LM32_INT_REG_R21,
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LM32_INT_REG_R22, LM32_INT_REG_R23, LM32_INT_REG_R24, LM32_INT_REG_R25,
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LM32_INT_REG_GP, LM32_INT_REG_FP, LM32_INT_REG_SP, LM32_INT_REG_PC,
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LM32_INT_REG_EID, LM32_INT_REG_EBA, LM32_INT_REG_DEBA, LM32_INT_REG_IE,
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};
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#endif /* _GDB_IF_H */
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/** @} */
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