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* core.c (dis_asm_read_memory), defs.h, gdbtk.c (gdb_disassemble),
top.c : Get rid of dis_asm_read_memory_hook. We can now call the disassemblers directly and have no need for this hook anymore. * defs.h, printcmd.c: Make print_insn be static. * ser-go32.c (dos_comisr): Make this 8 bit clean. * (dos_open dos_close): Allow multiple opens to the same device. Use a ref count to prevent unwanted deallocations. * sparcl-tdep.c: Put #ifdefs around all socket stuff to make GO32 happy. * (sparclite_ops): Switch to download_stratum. * target.h (enum strata): Move download_stratum before process_stratum so that executable targets get pushed on top of download targets.
This commit is contained in:
Stu Grossman
parent
1b552670ac
commit
a76ef70a14
@ -1,3 +1,20 @@
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Fri Feb 3 11:19:20 1995 Stu Grossman (grossman@cygnus.com)
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* core.c (dis_asm_read_memory), defs.h, gdbtk.c (gdb_disassemble),
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top.c : Get rid of dis_asm_read_memory_hook. We can now call the
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disassemblers directly and have no need for this hook anymore.
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* defs.h, printcmd.c: Make print_insn be static.
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* ser-go32.c (dos_comisr): Make this 8 bit clean.
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* (dos_open dos_close): Allow multiple opens to the same device.
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Use a ref count to prevent unwanted deallocations.
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* sparcl-tdep.c: Put #ifdefs around all socket stuff to make GO32
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happy.
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* (sparclite_ops): Switch to download_stratum.
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* target.h (enum strata): Move download_stratum before
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process_stratum so that executable targets get pushed on top of
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download targets.
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Thu Feb 2 19:02:45 1995 Rob Savoye <rob@darkstar.cygnus.com>
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* array-rom.c: Remove the non GDB remote protocol config stuff.
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@ -181,9 +181,6 @@ dis_asm_read_memory (memaddr, myaddr, len, info)
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int len;
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disassemble_info *info;
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{
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if (dis_asm_read_memory_hook)
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return dis_asm_read_memory_hook (memaddr, myaddr, len, info);
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return target_read_memory (memaddr, (char *) myaddr, len);
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}
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22
gdb/gdbtk.c
22
gdb/gdbtk.c
@ -667,8 +667,6 @@ call_wrapper (clientData, interp, argc, argv)
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finish_saving_output (); /* Restore stdout to normal */
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dis_asm_read_memory_hook = 0; /* Restore disassembly hook */
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gdb_flush (gdb_stderr); /* Flush error output */
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gdb_flush (gdb_stdout); /* Sometimes error output comes here as well */
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@ -783,6 +781,16 @@ gdb_disassemble (clientData, interp, argc, argv)
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{
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CORE_ADDR pc, low, high;
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int mixed_source_and_assembly;
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static disassemble_info di = {
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(fprintf_ftype) fprintf_filtered, /* fprintf_func */
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gdb_stdout, /* stream */
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NULL, /* application_data */
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0, /* flags */
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NULL, /* private_data */
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NULL, /* read_memory_func */
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dis_asm_memory_error, /* memory_error_func */
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dis_asm_print_address /* print_address_func */
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};
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if (argc != 3 && argc != 4)
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{
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@ -836,7 +844,9 @@ gdb_disassemble (clientData, interp, argc, argv)
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disassemble_from_exec = 1; /* It's remote, read the exec file */
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if (disassemble_from_exec)
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dis_asm_read_memory_hook = gdbtk_dis_asm_read_memory;
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di.read_memory_func = gdbtk_dis_asm_read_memory;
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else
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di.read_memory_func = dis_asm_read_memory;
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/* If just doing straight assembly, all we need to do is disassemble
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everything between low and high. If doing mixed source/assembly, we've
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@ -940,7 +950,7 @@ gdb_disassemble (clientData, interp, argc, argv)
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fputs_unfiltered (" ", gdb_stdout);
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print_address (pc, gdb_stdout);
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fputs_unfiltered (":\t ", gdb_stdout);
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pc += print_insn (pc, gdb_stdout);
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pc += tm_print_insn (pc, &di);
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fputs_unfiltered ("\n", gdb_stdout);
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}
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}
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@ -954,13 +964,11 @@ assembly_only:
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fputs_unfiltered (" ", gdb_stdout);
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print_address (pc, gdb_stdout);
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fputs_unfiltered (":\t ", gdb_stdout);
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pc += print_insn (pc, gdb_stdout);
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pc += tm_print_insn (pc, &di);
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fputs_unfiltered ("\n", gdb_stdout);
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}
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}
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dis_asm_read_memory_hook = 0;
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gdb_flush (gdb_stdout);
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return TCL_OK;
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175
gdb/printcmd.c
175
gdb/printcmd.c
@ -1,6 +1,6 @@
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/* Print values for GNU debugger GDB.
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Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1994
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Free Software Foundation, Inc.
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Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1994, 1995
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Free Software Foundation, Inc.
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This file is part of GDB.
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@ -111,77 +111,60 @@ static struct display *display_chain;
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static int display_number;
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/* Prototypes for local functions */
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/* Pointer to the target-dependent disassembly function. */
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static void
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delete_display PARAMS ((int));
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int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info *));
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static void
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enable_display PARAMS ((char *, int));
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/* Prototypes for local functions. */
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static void
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disable_display_command PARAMS ((char *, int));
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static void delete_display PARAMS ((int));
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static void
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disassemble_command PARAMS ((char *, int));
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static void enable_display PARAMS ((char *, int));
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static void
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printf_command PARAMS ((char *, int));
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static void disable_display_command PARAMS ((char *, int));
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static void
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print_frame_nameless_args PARAMS ((struct frame_info *, long, int, int,
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GDB_FILE *));
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static void disassemble_command PARAMS ((char *, int));
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static void
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display_info PARAMS ((char *, int));
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static void printf_command PARAMS ((char *, int));
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static void
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do_one_display PARAMS ((struct display *));
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static void print_frame_nameless_args PARAMS ((struct frame_info *, long,
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int, int, GDB_FILE *));
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static void
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undisplay_command PARAMS ((char *, int));
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static void display_info PARAMS ((char *, int));
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static void
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free_display PARAMS ((struct display *));
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static void do_one_display PARAMS ((struct display *));
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static void
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display_command PARAMS ((char *, int));
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static void undisplay_command PARAMS ((char *, int));
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static void
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x_command PARAMS ((char *, int));
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static void free_display PARAMS ((struct display *));
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static void
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address_info PARAMS ((char *, int));
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static void display_command PARAMS ((char *, int));
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static void
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set_command PARAMS ((char *, int));
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static void x_command PARAMS ((char *, int));
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static void
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output_command PARAMS ((char *, int));
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static void address_info PARAMS ((char *, int));
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static void
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call_command PARAMS ((char *, int));
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static void set_command PARAMS ((char *, int));
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static void
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inspect_command PARAMS ((char *, int));
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static void output_command PARAMS ((char *, int));
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static void
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print_command PARAMS ((char *, int));
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static void call_command PARAMS ((char *, int));
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static void
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print_command_1 PARAMS ((char *, int, int));
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static void inspect_command PARAMS ((char *, int));
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static void
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validate_format PARAMS ((struct format_data, char *));
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static void print_command PARAMS ((char *, int));
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static void
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do_examine PARAMS ((struct format_data, CORE_ADDR));
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static void print_command_1 PARAMS ((char *, int, int));
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static void
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print_formatted PARAMS ((value_ptr, int, int));
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static void validate_format PARAMS ((struct format_data, char *));
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static struct format_data
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decode_format PARAMS ((char **, int, int));
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static void do_examine PARAMS ((struct format_data, CORE_ADDR));
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static void print_formatted PARAMS ((value_ptr, int, int));
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static struct format_data decode_format PARAMS ((char **, int, int));
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static int print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
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/* Decode a format specification. *STRING_PTR should point to it.
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@ -246,22 +229,15 @@ decode_format (string_ptr, oformat, osize)
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case 'a':
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case 's':
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/* Pick the appropriate size for an address. */
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#if TARGET_PTR_BIT == 64
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val.size = osize ? 'g' : osize;
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break;
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#else /* Not 64 */
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#if TARGET_PTR_BIT == 32
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val.size = osize ? 'w' : osize;
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break;
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#else /* Not 32 */
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#if TARGET_PTR_BIT == 16
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val.size = osize ? 'h' : osize;
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break;
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#else /* Not 16 */
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#error Bad value for TARGET_PTR_BIT
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#endif /* Not 16 */
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#endif /* Not 32 */
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#endif /* Not 64 */
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if (TARGET_PTR_BIT == 64)
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val.size = osize ? 'g' : osize;
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else if (TARGET_PTR_BIT == 32)
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val.size = osize ? 'w' : osize;
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else if (TARGET_PTR_BIT == 16)
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val.size = osize ? 'h' : osize;
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else
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/* Bad value for TARGET_PTR_BIT */
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abort ();
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break;
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case 'f':
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/* Floating point has to be word or giantword. */
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@ -305,7 +281,7 @@ print_formatted (val, format, size)
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{
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case 's':
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next_address = VALUE_ADDRESS (val)
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+ value_print (value_addr (val), gdb_stdout, format, Val_pretty_default);
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+ val_print_string (VALUE_ADDRESS (val), 0, gdb_stdout);
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break;
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case 'i':
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@ -1500,10 +1476,11 @@ disable_display_command (args, from_tty)
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void
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print_variable_value (var, frame, stream)
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struct symbol *var;
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FRAME frame;
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struct frame_info *frame;
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GDB_FILE *stream;
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{
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value_ptr val = read_var_value (var, frame);
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value_print (val, stream, 0, Val_pretty_default);
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}
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@ -1656,7 +1633,7 @@ print_frame_args (func, fi, num, stream)
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we do not know. We pass 2 as "recurse" to val_print because our
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standard indentation here is 4 spaces, and val_print indents
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2 for each recurse. */
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val = read_var_value (sym, FRAME_INFO_ID (fi));
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val = read_var_value (sym, fi);
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annotate_arg_value (val == NULL ? NULL : VALUE_TYPE (val));
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@ -1692,6 +1669,7 @@ print_frame_args (func, fi, num, stream)
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of the first nameless arg, and NUM is the number of nameless args to
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print. FIRST is nonzero if this is the first argument (not just
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the first nameless arg). */
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static void
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print_frame_nameless_args (fi, start, num, first, stream)
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struct frame_info *fi;
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@ -2074,6 +2052,33 @@ disassemble_command (arg, from_tty)
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gdb_flush (gdb_stdout);
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}
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/* Print the instruction at address MEMADDR in debugged memory,
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on STREAM. Returns length of the instruction, in bytes. */
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static int
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print_insn (memaddr, stream)
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CORE_ADDR memaddr;
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GDB_FILE *stream;
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{
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disassemble_info info;
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#define GDB_INIT_DISASSEMBLE_INFO(INFO, STREAM) \
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(INFO).fprintf_func = (fprintf_ftype)fprintf_filtered, \
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(INFO).stream = (STREAM), \
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(INFO).read_memory_func = dis_asm_read_memory, \
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(INFO).memory_error_func = dis_asm_memory_error, \
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(INFO).print_address_func = dis_asm_print_address, \
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(INFO).insn_info_valid = 0
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GDB_INIT_DISASSEMBLE_INFO(info, stream);
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/* If there's no disassembler, something is very wrong. */
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if (tm_print_insn == NULL)
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abort ();
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return (*tm_print_insn) (memaddr, &info);
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}
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void
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_initialize_printcmd ()
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@ -2084,17 +2089,17 @@ _initialize_printcmd ()
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"Describe where variable VAR is stored.");
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add_com ("x", class_vars, x_command,
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"Examine memory: x/FMT ADDRESS.\n\
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concat ("Examine memory: x/FMT ADDRESS.\n\
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ADDRESS is an expression for the memory address to examine.\n\
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FMT is a repeat count followed by a format letter and a size letter.\n\
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Format letters are o(octal), x(hex), d(decimal), u(unsigned decimal),\n\
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t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n\
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Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
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t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n",
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"Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
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The specified number of objects of the specified size are printed\n\
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according to the format.\n\n\
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Defaults for format and size letters are those previously used.\n\
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Default count is 1. Default address is following last thing printed\n\
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with this command or \"print\".");
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with this command or \"print\".", NULL));
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add_com ("disassemble", class_vars, disassemble_command,
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"Disassemble a specified section of memory.\n\
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@ -2125,7 +2130,8 @@ Do \"info display\" to see current list of code numbers.",
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as in the \"x\" command, and then EXP is used to get the address to examine\n\
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and examining is done as in the \"x\" command.\n\n\
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With no argument, display all currently requested auto-display expressions.\n\
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Use \"undisplay\" to cancel display requests previously made.");
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Use \"undisplay\" to cancel display requests previously made."
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);
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add_cmd ("display", class_vars, enable_display,
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"Enable some expressions to be displayed when program stops.\n\
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@ -2148,19 +2154,20 @@ Do \"info display\" to see current list of code numbers.", &deletelist);
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add_com ("printf", class_vars, printf_command,
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"printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
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This is useful for formatted output in user-defined commands.");
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add_com ("output", class_vars, output_command,
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"Like \"print\" but don't put in value history and don't print newline.\n\
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This is useful in user-defined commands.");
|
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add_prefix_cmd ("set", class_vars, set_command,
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"Evaluate expression EXP and assign result to variable VAR, using assignment\n\
|
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concat ("Evaluate expression EXP and assign result to variable VAR, using assignment\n\
|
||||
syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
|
||||
example). VAR may be a debugger \"convenience\" variable (names starting\n\
|
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with $), a register (a few standard names starting with $), or an actual\n\
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variable in the program being debugged. EXP is any valid expression.\n\
|
||||
Use \"set variable\" for variables with names identical to set subcommands.\n\
|
||||
variable in the program being debugged. EXP is any valid expression.\n",
|
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"Use \"set variable\" for variables with names identical to set subcommands.\n\
|
||||
\nWith a subcommand, this command modifies parts of the gdb environment.\n\
|
||||
You can see these environment settings with the \"show\" command.",
|
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You can see these environment settings with the \"show\" command.", NULL),
|
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&setlist, "set ", 1, &cmdlist);
|
||||
|
||||
/* "call" is the same as "set", but handy for dbx users to call fns. */
|
||||
@ -2186,8 +2193,8 @@ stack frame, plus all those whose scope is global or an entire file.\n\
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\n\
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||||
$NUM gets previous value number NUM. $ and $$ are the last two values.\n\
|
||||
$$NUM refers to NUM'th value back from the last one.\n\
|
||||
Names starting with $ refer to registers (with the values they would have\n\
|
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if the program were to return to the stack frame now selected, restoring\n\
|
||||
Names starting with $ refer to registers (with the values they would have\n",
|
||||
"if the program were to return to the stack frame now selected, restoring\n\
|
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all registers saved by frames farther in) or else to debugger\n\
|
||||
\"convenience\" variables (any such name not a known register).\n\
|
||||
Use assignment expressions to give values to convenience variables.\n",
|
||||
@ -2220,8 +2227,8 @@ environment, the value is printed in its own window.");
|
||||
&setprintlist),
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||||
&showprintlist);
|
||||
|
||||
examine_b_type = init_type (TYPE_CODE_INT, 1, 0, NULL, NULL);
|
||||
examine_h_type = init_type (TYPE_CODE_INT, 2, 0, NULL, NULL);
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||||
examine_w_type = init_type (TYPE_CODE_INT, 4, 0, NULL, NULL);
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examine_g_type = init_type (TYPE_CODE_INT, 8, 0, NULL, NULL);
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examine_b_type = init_type (TYPE_CODE_INT, 1, 0, "examine_b_type", NULL);
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examine_h_type = init_type (TYPE_CODE_INT, 2, 0, "examine_h_type", NULL);
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examine_w_type = init_type (TYPE_CODE_INT, 4, 0, "examine_w_type", NULL);
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examine_g_type = init_type (TYPE_CODE_INT, 8, 0, "examine_g_type", NULL);
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}
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||||
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@ -196,6 +196,7 @@ static struct dos_ttystate
|
||||
{
|
||||
int base;
|
||||
int irq;
|
||||
int refcnt;
|
||||
struct intrupt *intrupt;
|
||||
int fifo;
|
||||
int baudrate;
|
||||
@ -311,7 +312,7 @@ dos_comisr (irq)
|
||||
port->oflo++;
|
||||
}
|
||||
|
||||
if (dos_putc (c & 0x7f, port) < 0)
|
||||
if (dos_putc (c, port) < 0)
|
||||
{
|
||||
COUNT (CNT_ORUN);
|
||||
}
|
||||
@ -474,11 +475,11 @@ dos_open (scb, name)
|
||||
|
||||
fd = name[3] - '1';
|
||||
port = &ports[fd];
|
||||
if (port->intrupt)
|
||||
if (port->refcnt++ > 0)
|
||||
{
|
||||
/* already open (EBUSY not defined!) */
|
||||
errno = EACCES;
|
||||
return -1;
|
||||
/* Device already opened another user. Just point at it. */
|
||||
scb->fd = fd;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* force access to ID reg */
|
||||
@ -559,6 +560,10 @@ dos_close (scb)
|
||||
return;
|
||||
|
||||
port = &ports[scb->fd];
|
||||
|
||||
if (port->refcnt-- > 1)
|
||||
return;
|
||||
|
||||
if (!(intrupt = port->intrupt))
|
||||
return;
|
||||
|
||||
|
||||
@ -24,24 +24,30 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
#include "serial.h"
|
||||
#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
#ifndef __GO32__
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <netdb.h>
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
|
||||
extern struct target_ops sparclite_ops; /* Forward decl */
|
||||
extern struct target_ops remote_ops;
|
||||
|
||||
static char *remote_target_name = NULL;
|
||||
static serial_t remote_desc = NULL;
|
||||
static int udp_fd = -1;
|
||||
static int serial_flag;
|
||||
#ifndef __GO32__
|
||||
static int udp_fd = -1;
|
||||
#endif
|
||||
|
||||
static serial_t open_tty PARAMS ((char *name));
|
||||
static int send_resp PARAMS ((serial_t desc, char c));
|
||||
static void close_tty PARAMS ((int ignore));
|
||||
#ifndef __GO32__
|
||||
static int recv_udp_buf PARAMS ((int fd, unsigned char *buf, int len, int timeout));
|
||||
static int send_udp_buf PARAMS ((int fd, unsigned char *buf, int len));
|
||||
#endif
|
||||
static void sparclite_open PARAMS ((char *name, int from_tty));
|
||||
static void sparclite_close PARAMS ((int quitting));
|
||||
static void download PARAMS ((char *target_name, char *args, int from_tty,
|
||||
@ -54,12 +60,14 @@ static void sparclite_serial_start PARAMS ((bfd_vma entry));
|
||||
static void sparclite_serial_write PARAMS ((bfd *from_bfd, asection *from_sec,
|
||||
file_ptr from_addr,
|
||||
bfd_vma to_addr, int len));
|
||||
#ifndef __GO32__
|
||||
static unsigned short calc_checksum PARAMS ((unsigned char *buffer,
|
||||
int count));
|
||||
static void sparclite_udp_start PARAMS ((bfd_vma entry));
|
||||
static void sparclite_udp_write PARAMS ((bfd *from_bfd, asection *from_sec,
|
||||
file_ptr from_addr, bfd_vma to_addr,
|
||||
int len));
|
||||
#endif
|
||||
static void sparclite_download PARAMS ((char *filename, int from_tty));
|
||||
|
||||
#define DDA2_SUP_ASI 0xb000000
|
||||
@ -316,6 +324,7 @@ close_tty (ignore)
|
||||
remote_desc = NULL;
|
||||
}
|
||||
|
||||
#ifndef __GO32__
|
||||
static int
|
||||
recv_udp_buf (fd, buf, len, timeout)
|
||||
int fd, len;
|
||||
@ -368,6 +377,7 @@ send_udp_buf (fd, buf, len)
|
||||
|
||||
error ("Short count in send: tried %d, sent %d\n", len, cc);
|
||||
}
|
||||
#endif /* __GO32__ */
|
||||
|
||||
static void
|
||||
sparclite_open (name, from_tty)
|
||||
@ -439,6 +449,7 @@ or: target sparclite udp host");
|
||||
}
|
||||
else
|
||||
{
|
||||
#ifndef __GO32__
|
||||
struct hostent *he;
|
||||
struct sockaddr_in sockaddr;
|
||||
unsigned char buffer[100];
|
||||
@ -472,6 +483,9 @@ or: target sparclite udp host");
|
||||
|
||||
if (cc < 3)
|
||||
error ("SPARClite appears to be ill.");
|
||||
#else
|
||||
error ("UDP downloading is not supported for DOS hosts.");
|
||||
#endif /* __GO32__ */
|
||||
}
|
||||
|
||||
printf_unfiltered ("[SPARClite appears to be alive]\n");
|
||||
@ -489,9 +503,11 @@ sparclite_close (quitting)
|
||||
{
|
||||
if (serial_flag)
|
||||
close_tty (0);
|
||||
#ifndef __GO32__
|
||||
else
|
||||
if (udp_fd != -1)
|
||||
close (udp_fd);
|
||||
#endif
|
||||
}
|
||||
|
||||
#define LOAD_ADDRESS 0x40000000
|
||||
@ -668,6 +684,8 @@ sparclite_serial_write (from_bfd, from_sec, from_addr, to_addr, len)
|
||||
error ("Bad checksum from load command (0x%x)", i);
|
||||
}
|
||||
|
||||
#ifndef __GO32__
|
||||
|
||||
static unsigned short
|
||||
calc_checksum (buffer, count)
|
||||
unsigned char *buffer;
|
||||
@ -780,14 +798,20 @@ sparclite_udp_write (from_bfd, from_sec, from_addr, to_addr, len)
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* __GO32__ */
|
||||
|
||||
static void
|
||||
sparclite_download (filename, from_tty)
|
||||
char *filename;
|
||||
int from_tty;
|
||||
{
|
||||
if (!serial_flag)
|
||||
#ifndef __GO32__
|
||||
download (remote_target_name, filename, from_tty, sparclite_udp_write,
|
||||
sparclite_udp_start);
|
||||
#else
|
||||
abort (); /* sparclite_open should prevent this! */
|
||||
#endif
|
||||
else
|
||||
download (remote_target_name, filename, from_tty, sparclite_serial_write,
|
||||
sparclite_serial_start);
|
||||
@ -827,7 +851,7 @@ Specify the serial device it is connected to (e.g. /dev/ttya).", /* to_doc */
|
||||
0, /* to_can_run */
|
||||
0, /* to_notice_signals */
|
||||
0, /* to_stop */
|
||||
process_stratum, /* to_stratum */
|
||||
download_stratum, /* to_stratum */
|
||||
0, /* to_next */
|
||||
0, /* to_has_all_memory */
|
||||
0, /* to_has_memory */
|
||||
|
||||
@ -419,12 +419,6 @@ int (*target_wait_hook) PARAMS ((int pid, struct target_waitstatus *status));
|
||||
void (*call_command_hook) PARAMS ((struct cmd_list_element *c, char *cmd,
|
||||
int from_tty));
|
||||
|
||||
/* An alternate way to read memory for disassembly. This is used to provide a
|
||||
switch that allows disassembly to come from an exec file rather than a
|
||||
remote target. This is a speed hack. */
|
||||
|
||||
int (*dis_asm_read_memory_hook) PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
|
||||
int len, disassemble_info *info));
|
||||
/* Takes control from error (). Typically used to prevent longjmps out of the
|
||||
middle of the GUI. Usually used in conjunction with a catch routine. */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user