diff options
Diffstat (limited to 'c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c')
| -rw-r--r-- | c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c b/c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c index fc0f867d8b..a6920fe93b 100644 --- a/c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c +++ b/c/src/lib/libbsp/mips/shared/gdbstub/mips-stub.c @@ -210,8 +210,6 @@ static char do_threads; /* != 0 means we are supporting threads */ extern char getDebugChar (void); extern void putDebugChar (char); - - /* * The following definitions are used for the gdb stub memory map */ @@ -224,11 +222,6 @@ static int is_readable(unsigned,unsigned); static int is_writeable(unsigned,unsigned); static int is_steppable(unsigned); - - - - - /* * BUFMAX defines the maximum number of characters in the inbound & outbound * packet buffers. At least 4+(sizeof registers)*2 bytes will be needed for @@ -272,7 +265,6 @@ const char gdb_hexchars[] = "0123456789abcdef"; #define highhex(x) gdb_hexchars [(x >> 4) & 0xf] #define lowhex(x) gdb_hexchars [x & 0xf] - /* * Convert length bytes of data starting at addr into hex, placing the * result in buf. Return a pointer to the last (null) char in buf. @@ -359,7 +351,6 @@ hex (char ch) return (-1); } - /* * Convert a string from hex to int until a non-hex digit * is found. Return the number of characters processed. @@ -389,7 +380,6 @@ hexToInt (char **ptr, int *intValue) return (numChars); } - /* * Convert a string from hex to long long until a non-hex * digit is found. Return the number of characters processed. @@ -419,7 +409,6 @@ hexToLongLong (char **ptr, long long *intValue) return (numChars); } - /* * Convert the hex array buf into binary, placing the result at the * specified address. If the conversion fails at any point (i.e., @@ -506,7 +495,6 @@ hex2mem (char *buf, void *_addr, int length) return 1; } - /* Convert the binary stream in BUF to memory. Gdb will escape $, #, and the escape char (0x7d). @@ -544,7 +532,6 @@ bin2mem ( return mem; } - /* * Scan the input stream for a sequence for the form $<data>#<checksum>. @@ -597,7 +584,6 @@ getpacket (char *buffer) while (checksum != xmitcsum); } - /* * Get a positive/negative acknowledgment for a transmitted packet. */ @@ -615,7 +601,6 @@ getAck (void) return c; } - /* * Send the packet in buffer and wait for a positive acknowledgement. */ @@ -665,11 +650,6 @@ putpacket (char *buffer) while (getAck () != '+'); } - - - - - /* * Saved instruction data for single step support @@ -681,7 +661,6 @@ static struct } instrBuffer; - /* * If a step breakpoint was planted restore the saved instruction. */ @@ -696,7 +675,6 @@ undoSStep (void) instrBuffer.savedInstr = NOP_INSTR; } - /* * If a single step is requested put a temporary breakpoint at the instruction * which logically follows the next one to be executed. If the next instruction @@ -818,7 +796,6 @@ doSStep (void) break; } - if( is_steppable((unsigned)instrBuffer.targetAddr) && *(instrBuffer.targetAddr) != BREAK_INSTR ) { instrBuffer.savedInstr = *instrBuffer.targetAddr; @@ -832,10 +809,6 @@ doSStep (void) return; } - - - - /* * Translate the R4600 exception code into a Unix-compatible signal. @@ -945,7 +918,6 @@ void gdb_stub_report_exception_info( *optr++ = '\0'; } - /* @@ -954,15 +926,12 @@ void gdb_stub_report_exception_info( */ CPU_Interrupt_frame current_thread_registers; - - /* * This function handles all exceptions. It only does two things: * it figures out why it was activated and tells gdb, and then it * reacts to gdb's requests. */ - void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) { int host_has_detached = 0; @@ -975,7 +944,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) void *regptr; int binary; - registers = (mips_register_t *)frame; thread = 0; @@ -986,7 +954,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) #endif current_thread = thread; - { /* reapply all breakpoints regardless of how we came in */ struct z0break *z0, *zother; @@ -1002,8 +969,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) } } - - /* see if we're coming from a breakpoint */ if( *((unsigned *)frame->epc) == BREAK_INSTR ) { @@ -1040,16 +1005,10 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) } } - - - - /* reply to host that an exception has occurred with some basic info */ gdb_stub_report_exception_info(vector, frame, thread); putpacket (outBuffer); - - while (!(host_has_detached)) { outBuffer[0] = '\0'; getpacket (inBuffer); @@ -1079,7 +1038,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) mem2hex (regptr, NUM_REGS * (sizeof registers), outBuffer); break; - case 'G': /* set the values of the CPU registers - return OK */ regptr = registers; #if defined(GDB_STUB_ENABLE_THREAD_SUPPORT) @@ -1092,7 +1050,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) strcpy (outBuffer, "E00"); /* E00 = bad "set register" command */ break; - case 'P': /* Pn...=r... Write register n... with value r... - return OK */ ptr = &inBuffer[1]; @@ -1107,7 +1064,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) strcpy (outBuffer, "E00"); /* E00 = bad "set register" command */ break; - case 'm': /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */ ptr = &inBuffer[1]; @@ -1121,7 +1077,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) strcpy (outBuffer, "E01"); /* E01 = bad 'm' command */ break; - case 'X': /* XAA..AA,LLLL:<binary data>#cs */ binary = 1; case 'M': @@ -1142,8 +1097,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) strcpy (outBuffer, "E02"); /* E02 = bad 'M' command */ break; - - case 'c': /* cAA..AA Continue at address AA..AA(optional) */ case 's': @@ -1159,10 +1112,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) } goto stubexit; - - - - case 'k': /* remove all zbreaks if any */ dumpzbreaks: { @@ -1193,10 +1142,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) } break; - - - - case 'q': /* queries */ #if defined(GDB_STUB_ENABLE_THREAD_SUPPORT) rtems_gdb_process_query( inBuffer, outBuffer, do_threads, thread ); @@ -1281,9 +1226,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) #endif break; - - - case 'Z': /* Add breakpoint */ { int ret, type, len; @@ -1326,7 +1268,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) break; } - /* Get entry */ z0 = z0break_avail; z0break_avail = z0break_avail->next; @@ -1376,13 +1317,11 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) } break; - case 'z': /* remove breakpoint */ if (inBuffer[1] == 'z') { goto dumpzbreaks; - /* * zz packet - remove all breaks * z0last = NULL; @@ -1417,7 +1356,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) unsigned *address; struct z0break *z0; - ret = parse_zbreak(inBuffer, &type, (unsigned char **)&address, &len); if (!ret) { strcpy(outBuffer, "E01"); @@ -1479,7 +1417,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) } break; - default: /* do nothing */ break; } @@ -1510,15 +1447,6 @@ void handle_exception (rtems_vector_number vector, CPU_Interrupt_frame *frame) return; } - - - - - - - - - static int numsegs; static struct memseg memsegments[NUM_MEMSEGS]; @@ -1534,9 +1462,6 @@ int gdbstub_add_memsegment( unsigned base, unsigned end, int opts ) return RTEMS_SUCCESSFUL; } - - - static int is_readable(unsigned ptr, unsigned len) { struct memseg *ms; @@ -1554,7 +1479,6 @@ static int is_readable(unsigned ptr, unsigned len) return 0; } - static int is_writeable(unsigned ptr, unsigned len) { struct memseg *ms; @@ -1572,7 +1496,6 @@ static int is_writeable(unsigned ptr, unsigned len) return 0; } - static int is_steppable(unsigned ptr) { struct memseg *ms; @@ -1590,19 +1513,6 @@ static int is_steppable(unsigned ptr) return 0; } - - - - - - - - - - - - - static char initialized = 0; /* 0 means we are not initialized */ void mips_gdb_stub_install(int enableThreads) |