diff --git a/gdb/ChangeLog b/gdb/ChangeLog index af49ea7087..2546b4365b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,18 @@ +2002-08-09 Andrew Cagney + + * regcache.c: Include "gdbcmd.h" + (_initialize_regcache): Add commands "maintenance print + registers", "maintenance print raw-registers" and "maintenance + print cooked-registers". + (enum regcache_dump_what): Define. + (dump_endian_bytes): New function. + (regcache_dump): New function. + (regcache_print): New function. + (maintenance_print_registers): New function. + (maintenance_print_raw_registers): New function. + (maintenance_print_cooked_registers): New function. + * Makefile.in (regcache.o): Update dependencies. + 2002-08-09 Michael Snyder * mips-tdep.c (ROUND_DOWN, ROUND_UP): Move to global scope. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 2481bc8e54..8e2eee5099 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -1495,7 +1495,7 @@ frv-tdep.o: frv-tdep.c $(defs_h) $(inferior_h) $(symfile_h) $(gdbcore_h) \ $(arch_utils_h) $(regcache_h) regcache.o: regcache.c $(defs_h) $(inferior_h) $(target_h) $(gdbarch_h) \ - $(gdbcmd_h) $(regcache_h) $(gdb_assert_h) $(gdb_string_h) + $(gdbcmd_h) $(regcache_h) $(gdb_assert_h) $(gdb_string_h) $(gdbcmd_h) fork-child.o: fork-child.c $(gdb_wait_h) $(defs_h) $(gdbcore_h) \ $(inferior_h) $(target_h) $(terminal_h) $(gdbthread_h) $(gdb_string_h) diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index b9d82f0976..b7d59903b0 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,10 +1,15 @@ +2002-08-09 Andrew Cagney + + * gdb.texinfo (Maintenance Commands): Document "maint print + registers", "maint print raw-registers" and "maint print + cooked-registers". + 2002-08-08 Grace Sainsbury From Mark Salter: * gdb.texinfo (Protocol): Document T packet extension to allow watchpoint address reporting. - 2002-08-03 Andrew Cagney * gdb.texinfo (Dump/Restore Files): Move `[]' to outside of @var. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index dd5e7aa3c6..66d1eb6a3f 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -14195,6 +14195,18 @@ Shared library events. @end table +@kindex maint print registers +@kindex maint print raw-registers +@kindex maint print cooked-registers +@item @anchor{maint print registers}maint print registers +@itemx @anchor{maint print raw-registers}maint print raw-registers +@itemx @anchor{maint print cooked-registers}maint print cooked-registers +Print @value{GDBN}'s internal register structure. @samp{maint print +raw-registers} includes the raw register cache value while @samp{maint +print cooked-registers} includes the cooked register value. + +Takes an optional file parameter. + @end table diff --git a/gdb/regcache.c b/gdb/regcache.c index acda8320ff..dcfe7aa8f4 100644 --- a/gdb/regcache.c +++ b/gdb/regcache.c @@ -28,6 +28,7 @@ #include "regcache.h" #include "gdb_assert.h" #include "gdb_string.h" +#include "gdbcmd.h" /* For maintenanceprintlist. */ /* * DATA STRUCTURE @@ -1185,6 +1186,237 @@ build_regcache (void) register_valid = deprecated_grub_regcache_for_register_valid (current_regcache); } +static void +dump_endian_bytes (struct ui_file *file, enum bfd_endian endian, + const unsigned char *buf, long len) +{ + int i; + switch (endian) + { + case BFD_ENDIAN_BIG: + for (i = 0; i < len; i++) + fprintf_unfiltered (file, "%02x", buf[i]); + break; + case BFD_ENDIAN_LITTLE: + for (i = len - 1; i >= 0; i--) + fprintf_unfiltered (file, "%02x", buf[i]); + break; + default: + internal_error (__FILE__, __LINE__, "Bad switch"); + } +} + +enum regcache_dump_what +{ + regcache_dump_none, regcache_dump_raw, regcache_dump_cooked +}; + +static void +regcache_dump (struct regcache *regcache, struct ui_file *file, + enum regcache_dump_what what_to_dump) +{ + struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); + int regnum; + int footnote_nr = 0; + int footnote_register_size = 0; + int footnote_register_offset = 0; + int footnote_register_type_name_null = 0; + long register_offset = 0; + unsigned char *buf = alloca (regcache->descr->max_register_size); + +#if 0 + fprintf_unfiltered (file, "legacy_p %d\n", regcache->descr->legacy_p); + fprintf_unfiltered (file, "nr_raw_registers %d\n", + regcache->descr->nr_raw_registers); + fprintf_unfiltered (file, "nr_cooked_registers %d\n", + regcache->descr->nr_cooked_registers); + fprintf_unfiltered (file, "sizeof_raw_registers %ld\n", + regcache->descr->sizeof_raw_registers); + fprintf_unfiltered (file, "sizeof_raw_register_valid_p %ld\n", + regcache->descr->sizeof_raw_register_valid_p); + fprintf_unfiltered (file, "max_register_size %ld\n", + regcache->descr->max_register_size); + fprintf_unfiltered (file, "NUM_REGS %d\n", NUM_REGS); + fprintf_unfiltered (file, "NUM_PSEUDO_REGS %d\n", NUM_PSEUDO_REGS); +#endif + + gdb_assert (regcache->descr->nr_cooked_registers + == (NUM_REGS + NUM_PSEUDO_REGS)); + + for (regnum = -1; regnum < regcache->descr->nr_cooked_registers; regnum++) + { + /* Name. */ + if (regnum < 0) + fprintf_unfiltered (file, " %-10s", "Name"); + else + { + const char *p = REGISTER_NAME (regnum); + if (p == NULL) + p = ""; + else if (p[0] == '\0') + p = "''"; + fprintf_unfiltered (file, " %-10s", p); + } + + /* Number. */ + if (regnum < 0) + fprintf_unfiltered (file, " %4s", "Nr"); + else + fprintf_unfiltered (file, " %4d", regnum); + + /* Relative number. */ + if (regnum < 0) + fprintf_unfiltered (file, " %4s", "Rel"); + else if (regnum < NUM_REGS) + fprintf_unfiltered (file, " %4d", regnum); + else + fprintf_unfiltered (file, " %4d", (regnum - NUM_REGS)); + + /* Offset. */ + if (regnum < 0) + fprintf_unfiltered (file, " %6s ", "Offset"); + else + { + fprintf_unfiltered (file, " %6ld", + regcache->descr->register_offset[regnum]); + if (register_offset != regcache->descr->register_offset[regnum]) + { + if (!footnote_register_offset) + footnote_register_offset = ++footnote_nr; + fprintf_unfiltered (file, "*%d", footnote_register_offset); + } + else + fprintf_unfiltered (file, " "); + register_offset = (regcache->descr->register_offset[regnum] + + regcache->descr->sizeof_register[regnum]); + } + + /* Size. */ + if (regnum < 0) + fprintf_unfiltered (file, " %5s ", "Size"); + else + { + fprintf_unfiltered (file, " %5ld", + regcache->descr->sizeof_register[regnum]); + if ((regcache->descr->sizeof_register[regnum] + != REGISTER_RAW_SIZE (regnum)) + || (regcache->descr->sizeof_register[regnum] + != REGISTER_VIRTUAL_SIZE (regnum)) + || (regcache->descr->sizeof_register[regnum] + != TYPE_LENGTH (REGISTER_VIRTUAL_TYPE (regnum))) + ) + { + if (!footnote_register_size) + footnote_register_size = ++footnote_nr; + fprintf_unfiltered (file, "*%d", footnote_register_size); + } + else + fprintf_unfiltered (file, " "); + } + + /* Type. */ + if (regnum < 0) + fprintf_unfiltered (file, " %-20s", "Type"); + else + { + static const char blt[] = "builtin_type"; + const char *t = TYPE_NAME (REGISTER_VIRTUAL_TYPE (regnum)); + if (t == NULL) + { + char *n; + if (!footnote_register_type_name_null) + footnote_register_type_name_null = ++footnote_nr; + xasprintf (&n, "*%d", footnote_register_type_name_null); + make_cleanup (xfree, n); + t = n; + } + /* Chop a leading builtin_type. */ + if (strncmp (t, blt, strlen (blt)) == 0) + t += strlen (blt); + fprintf_unfiltered (file, " %-20s", t); + } + + /* Value, raw. */ + if (what_to_dump == regcache_dump_raw) + { + if (regnum < 0) + fprintf_unfiltered (file, "Raw value"); + else if (regnum >= regcache->descr->nr_raw_registers) + fprintf_unfiltered (file, ""); + else if (!regcache_valid_p (regcache, regnum)) + fprintf_unfiltered (file, ""); + else + { + regcache_raw_read (regcache, regnum, buf); + fprintf_unfiltered (file, "0x"); + dump_endian_bytes (file, TARGET_BYTE_ORDER, buf, + REGISTER_RAW_SIZE (regnum)); + } + } + + /* Value, cooked. */ + if (what_to_dump == regcache_dump_cooked) + { + if (regnum < 0) + fprintf_unfiltered (file, "Cooked value"); + else + { + regcache_cooked_read (regcache, regnum, buf); + fprintf_unfiltered (file, "0x"); + dump_endian_bytes (file, TARGET_BYTE_ORDER, buf, + REGISTER_VIRTUAL_SIZE (regnum)); + } + } + + fprintf_unfiltered (file, "\n"); + } + + if (footnote_register_size) + fprintf_unfiltered (file, "*%d: Inconsistent register sizes.\n", + footnote_register_size); + if (footnote_register_offset) + fprintf_unfiltered (file, "*%d: Inconsistent register offsets.\n", + footnote_register_offset); + if (footnote_register_type_name_null) + fprintf_unfiltered (file, + "*%d: Register type's name NULL.\n", + footnote_register_type_name_null); + do_cleanups (cleanups); +} + +static void +regcache_print (char *args, enum regcache_dump_what what_to_dump) +{ + if (args == NULL) + regcache_dump (current_regcache, gdb_stdout, what_to_dump); + else + { + struct ui_file *file = gdb_fopen (args, "w"); + if (file == NULL) + perror_with_name ("maintenance print architecture"); + regcache_dump (current_regcache, file, what_to_dump); + ui_file_delete (file); + } +} + +static void +maintenance_print_registers (char *args, int from_tty) +{ + regcache_print (args, regcache_dump_none); +} + +static void +maintenance_print_raw_registers (char *args, int from_tty) +{ + regcache_print (args, regcache_dump_raw); +} + +static void +maintenance_print_cooked_registers (char *args, int from_tty) +{ + regcache_print (args, regcache_dump_cooked); +} + void _initialize_regcache (void) { @@ -1201,4 +1433,21 @@ _initialize_regcache (void) /* Initialize the thread/process associated with the current set of registers. For now, -1 is special, and means `no current process'. */ registers_ptid = pid_to_ptid (-1); + + add_cmd ("registers", class_maintenance, + maintenance_print_registers, + "Print the internal register configuration.\ +Takes an optional file parameter.", + &maintenanceprintlist); + add_cmd ("raw-registers", class_maintenance, + maintenance_print_raw_registers, + "Print the internal register configuration including raw values.\ +Takes an optional file parameter.", + &maintenanceprintlist); + add_cmd ("cooked-registers", class_maintenance, + maintenance_print_cooked_registers, + "Print the internal register configuration including cooked values.\ +Takes an optional file parameter.", + &maintenanceprintlist); + }