/* Print values for GNU debugger GDB.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "ui-out.h"
#include "block.h"
#include "disasm.h"
-#include "dfp.h"
-#include "observer.h"
+#include "target-float.h"
+#include "observable.h"
#include "solist.h"
#include "parser-defs.h"
#include "charset.h"
#include "arch-utils.h"
#include "cli/cli-utils.h"
-#include "format.h"
+#include "cli/cli-script.h"
+#include "cli/cli-style.h"
+#include "common/format.h"
#include "source.h"
-
-#ifdef TUI
-#include "tui/tui.h" /* For tui_active et al. */
-#endif
+#include "common/byte-vector.h"
/* Last specified output format. */
static char last_size = 'w';
+/* Last specified count for the 'x' command. */
+
+static int last_count;
+
/* Default address to examine next, and associated architecture. */
static struct gdbarch *next_gdbarch;
/* Contents of last address examined.
This is not valid past the end of the `x' command! */
-static struct value *last_examine_value;
+static value_ref_ptr last_examine_value;
/* Largest offset between a symbolic value and an address, that will be
printed as `0x1234 <symbol+offset>'. */
B ? (TMP = B->next, 1): 0; \
B = TMP)
-/* Prototypes for exported functions. */
-
-void _initialize_printcmd (void);
-
/* Prototypes for local functions. */
static void do_one_display (struct display *);
break;
}
- while (*p == ' ' || *p == '\t')
- p++;
- *string_ptr = p;
+ *string_ptr = skip_spaces (p);
/* Set defaults for format and size if not specified. */
if (val.format == '?')
int size, struct ui_file *stream)
{
struct gdbarch *gdbarch = get_type_arch (type);
- LONGEST val_long = 0;
unsigned int len = TYPE_LENGTH (type);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
/* String printing should go through val_print_scalar_formatted. */
gdb_assert (options->format != 's');
- if (len > sizeof(LONGEST)
- && (TYPE_CODE (type) == TYPE_CODE_INT
- || TYPE_CODE (type) == TYPE_CODE_ENUM))
- {
- switch (options->format)
- {
- case 'o':
- print_octal_chars (stream, valaddr, len, byte_order);
- return;
- case 'u':
- case 'd':
- print_decimal_chars (stream, valaddr, len, byte_order);
- return;
- case 't':
- print_binary_chars (stream, valaddr, len, byte_order);
- return;
- case 'x':
- print_hex_chars (stream, valaddr, len, byte_order);
- return;
- case 'c':
- print_char_chars (stream, type, valaddr, len, byte_order);
- return;
- default:
- break;
- };
- }
-
- if (options->format != 'f')
- val_long = unpack_long (type, valaddr);
-
/* If the value is a pointer, and pointers and addresses are not the
same, then at this point, the value's length (in target bytes) is
gdbarch_addr_bit/TARGET_CHAR_BIT, not TYPE_LENGTH (type). */
/* If we are printing it as unsigned, truncate it in case it is actually
a negative signed value (e.g. "print/u (short)-1" should print 65535
(if shorts are 16 bits) instead of 4294967295). */
- if (options->format != 'd' || TYPE_UNSIGNED (type))
+ if (options->format != 'c'
+ && (options->format != 'd' || TYPE_UNSIGNED (type)))
{
- if (len < sizeof (LONGEST))
- val_long &= ((LONGEST) 1 << HOST_CHAR_BIT * len) - 1;
+ if (len < TYPE_LENGTH (type) && byte_order == BFD_ENDIAN_BIG)
+ valaddr += TYPE_LENGTH (type) - len;
}
- switch (options->format)
+ if (size != 0 && (options->format == 'x' || options->format == 't'))
{
- case 'x':
- if (!size)
+ /* Truncate to fit. */
+ unsigned newlen;
+ switch (size)
{
- /* No size specified, like in print. Print varying # of digits. */
- print_longest (stream, 'x', 1, val_long);
+ case 'b':
+ newlen = 1;
+ break;
+ case 'h':
+ newlen = 2;
+ break;
+ case 'w':
+ newlen = 4;
+ break;
+ case 'g':
+ newlen = 8;
+ break;
+ default:
+ error (_("Undefined output size \"%c\"."), size);
}
- else
- switch (size)
- {
- case 'b':
- case 'h':
- case 'w':
- case 'g':
- print_longest (stream, size, 1, val_long);
- break;
- default:
- error (_("Undefined output size \"%c\"."), size);
- }
- break;
+ if (newlen < len && byte_order == BFD_ENDIAN_BIG)
+ valaddr += len - newlen;
+ len = newlen;
+ }
+
+ /* Historically gdb has printed floats by first casting them to a
+ long, and then printing the long. PR cli/16242 suggests changing
+ this to using C-style hex float format. */
+ gdb::byte_vector converted_float_bytes;
+ if (TYPE_CODE (type) == TYPE_CODE_FLT
+ && (options->format == 'o'
+ || options->format == 'x'
+ || options->format == 't'
+ || options->format == 'z'
+ || options->format == 'd'
+ || options->format == 'u'))
+ {
+ LONGEST val_long = unpack_long (type, valaddr);
+ converted_float_bytes.resize (TYPE_LENGTH (type));
+ store_signed_integer (converted_float_bytes.data (), TYPE_LENGTH (type),
+ byte_order, val_long);
+ valaddr = converted_float_bytes.data ();
+ }
+
+ /* Printing a non-float type as 'f' will interpret the data as if it were
+ of a floating-point type of the same length, if that exists. Otherwise,
+ the data is printed as integer. */
+ char format = options->format;
+ if (format == 'f' && TYPE_CODE (type) != TYPE_CODE_FLT)
+ {
+ type = float_type_from_length (type);
+ if (TYPE_CODE (type) != TYPE_CODE_FLT)
+ format = 0;
+ }
+ switch (format)
+ {
+ case 'o':
+ print_octal_chars (stream, valaddr, len, byte_order);
+ break;
case 'd':
- print_longest (stream, 'd', 1, val_long);
+ print_decimal_chars (stream, valaddr, len, true, byte_order);
break;
-
case 'u':
- print_longest (stream, 'u', 0, val_long);
+ print_decimal_chars (stream, valaddr, len, false, byte_order);
break;
-
- case 'o':
- if (val_long)
- print_longest (stream, 'o', 1, val_long);
- else
- fprintf_filtered (stream, "0");
+ case 0:
+ if (TYPE_CODE (type) != TYPE_CODE_FLT)
+ {
+ print_decimal_chars (stream, valaddr, len, !TYPE_UNSIGNED (type),
+ byte_order);
+ break;
+ }
+ /* FALLTHROUGH */
+ case 'f':
+ print_floating (valaddr, type, stream);
break;
- case 'a':
- {
- CORE_ADDR addr = unpack_pointer (type, valaddr);
-
- print_address (gdbarch, addr, stream);
- }
+ case 't':
+ print_binary_chars (stream, valaddr, len, byte_order, size > 0);
+ break;
+ case 'x':
+ print_hex_chars (stream, valaddr, len, byte_order, size > 0);
+ break;
+ case 'z':
+ print_hex_chars (stream, valaddr, len, byte_order, true);
break;
-
case 'c':
{
struct value_print_options opts = *options;
+ LONGEST val_long = unpack_long (type, valaddr);
+
opts.format = 0;
if (TYPE_UNSIGNED (type))
type = builtin_type (gdbarch)->builtin_true_unsigned_char;
}
break;
- case 'f':
- type = float_type_from_length (type);
- print_floating (valaddr, type, stream);
- break;
-
- case 0:
- internal_error (__FILE__, __LINE__,
- _("failed internal consistency check"));
-
- case 't':
- /* Binary; 't' stands for "two". */
+ case 'a':
{
- char bits[8 * (sizeof val_long) + 1];
- char buf[8 * (sizeof val_long) + 32];
- char *cp = bits;
- int width;
-
- if (!size)
- width = 8 * (sizeof val_long);
- else
- switch (size)
- {
- case 'b':
- width = 8;
- break;
- case 'h':
- width = 16;
- break;
- case 'w':
- width = 32;
- break;
- case 'g':
- width = 64;
- break;
- default:
- error (_("Undefined output size \"%c\"."), size);
- }
+ CORE_ADDR addr = unpack_pointer (type, valaddr);
- bits[width] = '\0';
- while (width-- > 0)
- {
- bits[width] = (val_long & 1) ? '1' : '0';
- val_long >>= 1;
- }
- if (!size)
- {
- while (*cp && *cp == '0')
- cp++;
- if (*cp == '\0')
- cp--;
- }
- strncpy (buf, cp, sizeof (bits));
- fputs_filtered (buf, stream);
+ print_address (gdbarch, addr, stream);
}
break;
- case 'z':
- print_hex_chars (stream, valaddr, len, byte_order);
- break;
-
default:
- error (_("Undefined output format \"%c\"."), options->format);
+ error (_("Undefined output format \"%c\"."), format);
}
}
int
print_address_symbolic (struct gdbarch *gdbarch, CORE_ADDR addr,
struct ui_file *stream,
- int do_demangle, char *leadin)
+ int do_demangle, const char *leadin)
{
- char *name = NULL;
- char *filename = NULL;
+ std::string name, filename;
int unmapped = 0;
int offset = 0;
int line = 0;
- /* Throw away both name and filename. */
- struct cleanup *cleanup_chain = make_cleanup (free_current_contents, &name);
- make_cleanup (free_current_contents, &filename);
-
if (build_address_symbolic (gdbarch, addr, do_demangle, &name, &offset,
&filename, &line, &unmapped))
- {
- do_cleanups (cleanup_chain);
- return 0;
- }
+ return 0;
fputs_filtered (leadin, stream);
if (unmapped)
fputs_filtered ("<*", stream);
else
fputs_filtered ("<", stream);
- fputs_filtered (name, stream);
+ fputs_styled (name.c_str (), function_name_style.style (), stream);
if (offset != 0)
fprintf_filtered (stream, "+%u", (unsigned int) offset);
/* Append source filename and line number if desired. Give specific
line # of this addr, if we have it; else line # of the nearest symbol. */
- if (print_symbol_filename && filename != NULL)
+ if (print_symbol_filename && !filename.empty ())
{
+ fputs_filtered (line == -1 ? " in " : " at ", stream);
+ fputs_styled (filename.c_str (), file_name_style.style (), stream);
if (line != -1)
- fprintf_filtered (stream, " at %s:%d", filename, line);
- else
- fprintf_filtered (stream, " in %s", filename);
+ fprintf_filtered (stream, ":%d", line);
}
if (unmapped)
fputs_filtered ("*>", stream);
else
fputs_filtered (">", stream);
- do_cleanups (cleanup_chain);
return 1;
}
-/* Given an address ADDR return all the elements needed to print the
- address in a symbolic form. NAME can be mangled or not depending
- on DO_DEMANGLE (and also on the asm_demangle global variable,
- manipulated via ''set print asm-demangle''). Return 0 in case of
- success, when all the info in the OUT paramters is valid. Return 1
- otherwise. */
+/* See valprint.h. */
+
int
build_address_symbolic (struct gdbarch *gdbarch,
CORE_ADDR addr, /* IN */
int do_demangle, /* IN */
- char **name, /* OUT */
+ std::string *name, /* OUT */
int *offset, /* OUT */
- char **filename, /* OUT */
+ std::string *filename, /* OUT */
int *line, /* OUT */
int *unmapped) /* OUT */
{
pointer is <function+3>. This matches the ISA behavior. */
addr = gdbarch_addr_bits_remove (gdbarch, addr);
- name_location = BLOCK_START (SYMBOL_BLOCK_VALUE (symbol));
+ name_location = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (symbol));
if (do_demangle || asm_demangle)
name_temp = SYMBOL_PRINT_NAME (symbol);
else
*offset = addr - name_location;
- *name = xstrdup (name_temp);
+ *name = name_temp;
if (print_symbol_filename)
{
if (sal.symtab)
{
- *filename = xstrdup (symtab_to_filename_for_display (sal.symtab));
+ *filename = symtab_to_filename_for_display (sal.symtab);
*line = sal.line;
}
}
print_address (struct gdbarch *gdbarch,
CORE_ADDR addr, struct ui_file *stream)
{
- fputs_filtered (paddress (gdbarch, addr), stream);
+ fputs_styled (paddress (gdbarch, addr), address_style.style (), stream);
print_address_symbolic (gdbarch, addr, stream, asm_demangle, " ");
}
{
if (opts->addressprint)
{
- fputs_filtered (paddress (gdbarch, addr), stream);
+ fputs_styled (paddress (gdbarch, addr), address_style.style (), stream);
print_address_symbolic (gdbarch, addr, stream, do_demangle, " ");
}
else
/* The vector PCS is used to store instruction addresses within
a pc range. */
CORE_ADDR loop_start, loop_end, p;
- VEC (CORE_ADDR) *pcs = NULL;
+ std::vector<CORE_ADDR> pcs;
struct symtab_and_line sal;
- struct cleanup *cleanup = make_cleanup (VEC_cleanup (CORE_ADDR), &pcs);
*inst_read = 0;
loop_start = loop_end = addr;
instructions from INST_COUNT, and go to the next iteration. */
do
{
- VEC_truncate (CORE_ADDR, pcs, 0);
+ pcs.clear ();
sal = find_pc_sect_line (loop_start, NULL, 1);
if (sal.line <= 0)
{
LOOP_START to LOOP_END. */
for (p = loop_start; p < loop_end;)
{
- VEC_safe_push (CORE_ADDR, pcs, p);
+ pcs.push_back (p);
p += gdb_insn_length (gdbarch, p);
}
- inst_count -= VEC_length (CORE_ADDR, pcs);
- *inst_read += VEC_length (CORE_ADDR, pcs);
+ inst_count -= pcs.size ();
+ *inst_read += pcs.size ();
}
while (inst_count > 0);
The case when the length of PCS is 0 means that we reached an area for
which line info is not available. In such case, we return LOOP_START,
which was the lowest instruction address that had line info. */
- p = VEC_length (CORE_ADDR, pcs) > 0
- ? VEC_index (CORE_ADDR, pcs, -inst_count)
- : loop_start;
+ p = pcs.size () > 0 ? pcs[-inst_count] : loop_start;
/* INST_READ includes all instruction addresses in a pc range. Need to
exclude the beginning part up to the address we're returning. That
if (inst_count < 0)
*inst_read += inst_count;
- do_cleanups (cleanup);
return p;
}
int *strings_counted)
{
const int chunk_size = 0x20;
- gdb_byte *buffer = NULL;
- struct cleanup *cleanup = NULL;
int read_error = 0;
int chars_read = 0;
int chars_to_read = chunk_size;
CORE_ADDR string_start_addr = addr;
gdb_assert (char_size == 1 || char_size == 2 || char_size == 4);
- buffer = (gdb_byte *) xmalloc (chars_to_read * char_size);
- cleanup = make_cleanup (xfree, buffer);
+ gdb::byte_vector buffer (chars_to_read * char_size);
while (count > 0 && read_error == 0)
{
int i;
addr -= chars_to_read * char_size;
- chars_read = read_memory_backward (gdbarch, addr, buffer,
+ chars_read = read_memory_backward (gdbarch, addr, buffer.data (),
chars_to_read * char_size);
chars_read /= char_size;
read_error = (chars_read == chars_to_read) ? 0 : 1;
{
int offset = (chars_to_read - i - 1) * char_size;
- if (integer_is_zero (buffer + offset, char_size)
+ if (integer_is_zero (&buffer[offset], char_size)
|| chars_counted == options->print_max)
{
/* Found '\0' or reached print_max. As OFFSET is the offset to
string_start_addr -= chars_counted * char_size;
}
- do_cleanups (cleanup);
return string_start_addr;
}
object. */
last_examine_address = next_address;
- if (last_examine_value)
- value_free (last_examine_value);
-
/* The value to be displayed is not fetched greedily.
Instead, to avoid the possibility of a fetched value not
being used, its retrieval is delayed until the print code
the disassembler be modified so that LAST_EXAMINE_VALUE
is left with the byte sequence from the last complete
instruction fetched from memory? */
- last_examine_value = value_at_lazy (val_type, next_address);
+ last_examine_value
+ = release_value (value_at_lazy (val_type, next_address));
- if (last_examine_value)
- release_value (last_examine_value);
-
- print_formatted (last_examine_value, size, &opts, gdb_stdout);
+ print_formatted (last_examine_value.get (), size, &opts, gdb_stdout);
/* Display any branch delay slots following the final insn. */
if (format == 'i' && count == 1)
}
static void
-print_command (char *exp, int from_tty)
+print_command (const char *exp, int from_tty)
{
print_command_1 (exp, 1);
}
/* Same as print, except it doesn't print void results. */
static void
-call_command (char *exp, int from_tty)
+call_command (const char *exp, int from_tty)
{
print_command_1 (exp, 0);
}
/* Implementation of the "output" command. */
-static void
-output_command (char *exp, int from_tty)
-{
- output_command_const (exp, from_tty);
-}
-
-/* Like output_command, but takes a const string as argument. */
-
void
-output_command_const (const char *exp, int from_tty)
+output_command (const char *exp, int from_tty)
{
char format = 0;
struct value *val;
}
static void
-set_command (char *exp, int from_tty)
+set_command (const char *exp, int from_tty)
{
expression_up expr = parse_expression (exp);
}
static void
-sym_info (char *arg, int from_tty)
+info_symbol_command (const char *arg, int from_tty)
{
struct minimal_symbol *msymbol;
- struct objfile *objfile;
struct obj_section *osect;
CORE_ADDR addr, sect_addr;
int matches = 0;
error_no_arg (_("address"));
addr = parse_and_eval_address (arg);
- ALL_OBJSECTIONS (objfile, osect)
- {
- /* Only process each object file once, even if there's a separate
- debug file. */
- if (objfile->separate_debug_objfile_backlink)
- continue;
-
- sect_addr = overlay_mapped_address (addr, osect);
-
- if (obj_section_addr (osect) <= sect_addr
- && sect_addr < obj_section_endaddr (osect)
- && (msymbol
- = lookup_minimal_symbol_by_pc_section (sect_addr, osect).minsym))
+ for (objfile *objfile : current_program_space->objfiles ())
+ ALL_OBJFILE_OSECTIONS (objfile, osect)
{
- const char *obj_name, *mapped, *sec_name, *msym_name;
- char *loc_string;
- struct cleanup *old_chain;
-
- matches = 1;
- offset = sect_addr - MSYMBOL_VALUE_ADDRESS (objfile, msymbol);
- mapped = section_is_mapped (osect) ? _("mapped") : _("unmapped");
- sec_name = osect->the_bfd_section->name;
- msym_name = MSYMBOL_PRINT_NAME (msymbol);
-
- /* Don't print the offset if it is zero.
- We assume there's no need to handle i18n of "sym + offset". */
- if (offset)
- loc_string = xstrprintf ("%s + %u", msym_name, offset);
- else
- loc_string = xstrprintf ("%s", msym_name);
-
- /* Use a cleanup to free loc_string in case the user quits
- a pagination request inside printf_filtered. */
- old_chain = make_cleanup (xfree, loc_string);
-
- gdb_assert (osect->objfile && objfile_name (osect->objfile));
- obj_name = objfile_name (osect->objfile);
-
- if (MULTI_OBJFILE_P ())
- if (pc_in_unmapped_range (addr, osect))
- if (section_is_overlay (osect))
- printf_filtered (_("%s in load address range of "
- "%s overlay section %s of %s\n"),
- loc_string, mapped, sec_name, obj_name);
- else
- printf_filtered (_("%s in load address range of "
- "section %s of %s\n"),
- loc_string, sec_name, obj_name);
- else
- if (section_is_overlay (osect))
- printf_filtered (_("%s in %s overlay section %s of %s\n"),
- loc_string, mapped, sec_name, obj_name);
+ /* Only process each object file once, even if there's a separate
+ debug file. */
+ if (objfile->separate_debug_objfile_backlink)
+ continue;
+
+ sect_addr = overlay_mapped_address (addr, osect);
+
+ if (obj_section_addr (osect) <= sect_addr
+ && sect_addr < obj_section_endaddr (osect)
+ && (msymbol
+ = lookup_minimal_symbol_by_pc_section (sect_addr,
+ osect).minsym))
+ {
+ const char *obj_name, *mapped, *sec_name, *msym_name;
+ const char *loc_string;
+
+ matches = 1;
+ offset = sect_addr - MSYMBOL_VALUE_ADDRESS (objfile, msymbol);
+ mapped = section_is_mapped (osect) ? _("mapped") : _("unmapped");
+ sec_name = osect->the_bfd_section->name;
+ msym_name = MSYMBOL_PRINT_NAME (msymbol);
+
+ /* Don't print the offset if it is zero.
+ We assume there's no need to handle i18n of "sym + offset". */
+ std::string string_holder;
+ if (offset)
+ {
+ string_holder = string_printf ("%s + %u", msym_name, offset);
+ loc_string = string_holder.c_str ();
+ }
else
- printf_filtered (_("%s in section %s of %s\n"),
- loc_string, sec_name, obj_name);
- else
- if (pc_in_unmapped_range (addr, osect))
- if (section_is_overlay (osect))
- printf_filtered (_("%s in load address range of %s overlay "
- "section %s\n"),
- loc_string, mapped, sec_name);
+ loc_string = msym_name;
+
+ gdb_assert (osect->objfile && objfile_name (osect->objfile));
+ obj_name = objfile_name (osect->objfile);
+
+ if (MULTI_OBJFILE_P ())
+ if (pc_in_unmapped_range (addr, osect))
+ if (section_is_overlay (osect))
+ printf_filtered (_("%s in load address range of "
+ "%s overlay section %s of %s\n"),
+ loc_string, mapped, sec_name, obj_name);
+ else
+ printf_filtered (_("%s in load address range of "
+ "section %s of %s\n"),
+ loc_string, sec_name, obj_name);
+ else
+ if (section_is_overlay (osect))
+ printf_filtered (_("%s in %s overlay section %s of %s\n"),
+ loc_string, mapped, sec_name, obj_name);
+ else
+ printf_filtered (_("%s in section %s of %s\n"),
+ loc_string, sec_name, obj_name);
else
- printf_filtered (_("%s in load address range of section %s\n"),
- loc_string, sec_name);
- else
- if (section_is_overlay (osect))
- printf_filtered (_("%s in %s overlay section %s\n"),
- loc_string, mapped, sec_name);
- else
- printf_filtered (_("%s in section %s\n"),
- loc_string, sec_name);
-
- do_cleanups (old_chain);
+ if (pc_in_unmapped_range (addr, osect))
+ if (section_is_overlay (osect))
+ printf_filtered (_("%s in load address range of %s overlay "
+ "section %s\n"),
+ loc_string, mapped, sec_name);
+ else
+ printf_filtered
+ (_("%s in load address range of section %s\n"),
+ loc_string, sec_name);
+ else
+ if (section_is_overlay (osect))
+ printf_filtered (_("%s in %s overlay section %s\n"),
+ loc_string, mapped, sec_name);
+ else
+ printf_filtered (_("%s in section %s\n"),
+ loc_string, sec_name);
+ }
}
- }
if (matches == 0)
printf_filtered (_("No symbol matches %s.\n"), arg);
}
static void
-address_info (char *exp, int from_tty)
+info_address_command (const char *exp, int from_tty)
{
struct gdbarch *gdbarch;
int regno;
fprintf_symbol_filtered (gdb_stdout, exp,
current_language->la_language, DMGL_ANSI);
printf_filtered ("\" is at ");
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
printf_filtered (" in a file compiled without debugging");
section = MSYMBOL_OBJ_SECTION (objfile, msymbol.minsym);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr),
+ address_style.style (),
+ gdb_stdout);
printf_filtered (" in overlay section %s",
section->the_bfd_section->name);
}
case LOC_LABEL:
printf_filtered ("a label at address ");
load_addr = SYMBOL_VALUE_ADDRESS (sym);
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (",\n -- loaded at ");
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
printf_filtered (" in overlay section %s",
section->the_bfd_section->name);
}
case LOC_STATIC:
printf_filtered (_("static storage at address "));
load_addr = SYMBOL_VALUE_ADDRESS (sym);
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (_(",\n -- loaded at "));
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
printf_filtered (_(" in overlay section %s"),
section->the_bfd_section->name);
}
case LOC_BLOCK:
printf_filtered (_("a function at address "));
- load_addr = BLOCK_START (SYMBOL_BLOCK_VALUE (sym));
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ load_addr = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (sym));
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (_(",\n -- loaded at "));
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr), address_style.style (),
+ gdb_stdout);
printf_filtered (_(" in overlay section %s"),
section->the_bfd_section->name);
}
{
struct bound_minimal_symbol msym;
- msym = lookup_minimal_symbol_and_objfile (SYMBOL_LINKAGE_NAME (sym));
+ msym = lookup_bound_minimal_symbol (SYMBOL_LINKAGE_NAME (sym));
if (msym.minsym == NULL)
printf_filtered ("unresolved");
else
{
load_addr = BMSYMBOL_VALUE_ADDRESS (msym);
printf_filtered (_("static storage at address "));
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr),
+ address_style.style (), gdb_stdout);
if (section_is_overlay (section))
{
load_addr = overlay_unmapped_address (load_addr, section);
printf_filtered (_(",\n -- loaded at "));
- fputs_filtered (paddress (gdbarch, load_addr), gdb_stdout);
+ fputs_styled (paddress (gdbarch, load_addr),
+ address_style.style (),
+ gdb_stdout);
printf_filtered (_(" in overlay section %s"),
section->the_bfd_section->name);
}
\f
static void
-x_command (char *exp, int from_tty)
+x_command (const char *exp, int from_tty)
{
struct format_data fmt;
- struct cleanup *old_chain;
struct value *val;
fmt.format = last_format ? last_format : 'x';
fmt.count = 1;
fmt.raw = 0;
+ /* If there is no expression and no format, use the most recent
+ count. */
+ if (exp == nullptr && last_count > 0)
+ fmt.count = last_count;
+
if (exp && *exp == '/')
{
const char *tmp = exp + 1;
exp = (char *) tmp;
}
+ last_count = fmt.count;
+
/* If we have an expression, evaluate it and use it as the address. */
if (exp != 0 && *exp != 0)
repeated with Newline. But don't clobber a user-defined
command's definition. */
if (from_tty)
- *exp = 0;
+ set_repeat_arguments ("");
val = evaluate_expression (expr.get ());
- if (TYPE_CODE (value_type (val)) == TYPE_CODE_REF)
+ if (TYPE_IS_REFERENCE (value_type (val)))
val = coerce_ref (val);
/* In rvalue contexts, such as this, functions are coerced into
pointers to functions. This makes "x/i main" work. */
last_format = fmt.format;
/* Set a couple of internal variables if appropriate. */
- if (last_examine_value)
+ if (last_examine_value != nullptr)
{
/* Make last address examined available to the user as $_. Use
the correct pointer type. */
struct type *pointer_type
- = lookup_pointer_type (value_type (last_examine_value));
+ = lookup_pointer_type (value_type (last_examine_value.get ()));
set_internalvar (lookup_internalvar ("_"),
value_from_pointer (pointer_type,
last_examine_address));
as $__. If the last value has not been fetched from memory
then don't fetch it now; instead mark it by voiding the $__
variable. */
- if (value_lazy (last_examine_value))
+ if (value_lazy (last_examine_value.get ()))
clear_internalvar (lookup_internalvar ("__"));
else
- set_internalvar (lookup_internalvar ("__"), last_examine_value);
+ set_internalvar (lookup_internalvar ("__"), last_examine_value.get ());
}
}
\f
Specify the expression. */
static void
-display_command (char *arg, int from_tty)
+display_command (const char *arg, int from_tty)
{
struct format_data fmt;
struct display *newobj;
fmt.raw = 0;
}
- innermost_block = NULL;
+ innermost_block.reset ();
expression_up expr = parse_expression (exp);
newobj = new display ();
newobj->exp_string = xstrdup (exp);
newobj->exp = std::move (expr);
- newobj->block = innermost_block;
+ newobj->block = innermost_block.block ();
newobj->pspace = current_program_space;
newobj->number = ++display_number;
newobj->format = fmt;
ARGS. DATA is passed unmodified to FUNCTION. */
static void
-map_display_numbers (char *args,
+map_display_numbers (const char *args,
void (*function) (struct display *,
void *),
void *data)
/* "undisplay" command. */
static void
-undisplay_command (char *args, int from_tty)
+undisplay_command (const char *args, int from_tty)
{
if (args == NULL)
{
TRY
{
- innermost_block = NULL;
+ innermost_block.reset ();
d->exp = parse_expression (d->exp_string);
- d->block = innermost_block;
+ d->block = innermost_block.block ();
}
CATCH (ex, RETURN_MASK_ALL)
{
}
static void
-display_info (char *ignore, int from_tty)
+info_display_command (const char *ignore, int from_tty)
{
struct display *d;
commands. ENABLE decides what to do. */
static void
-enable_disable_display_command (char *args, int from_tty, int enable)
+enable_disable_display_command (const char *args, int from_tty, int enable)
{
if (args == NULL)
{
/* The "enable display" command. */
static void
-enable_display_command (char *args, int from_tty)
+enable_display_command (const char *args, int from_tty)
{
enable_disable_display_command (args, from_tty, 1);
}
/* The "disable display" command. */
static void
-disable_display_command (char *args, int from_tty)
+disable_display_command (const char *args, int from_tty)
{
enable_disable_display_command (args, from_tty, 0);
}
if (!name)
name = SYMBOL_PRINT_NAME (var);
- fprintf_filtered (stream, "%s%s = ", n_spaces (2 * indent), name);
+ fputs_filtered (n_spaces (2 * indent), stream);
+ fputs_styled (name, variable_name_style.style (), stream);
+ fputs_filtered (" = ", stream);
+
TRY
{
struct value *val;
int j;
tem = value_as_address (value);
+ if (tem == 0)
+ {
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
+ fprintf_filtered (stream, format, "(null)");
+ DIAGNOSTIC_POP
+ return;
+ }
/* This is a %s argument. Find the length of the string. */
for (j = 0;; j++)
read_memory (tem, str, j);
str[j] = 0;
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, format, (char *) str);
+ DIAGNOSTIC_POP
}
/* Subroutine of ui_printf to simplify it.
"wchar_t", NULL, 0);
int wcwidth = TYPE_LENGTH (wctype);
gdb_byte *buf = (gdb_byte *) alloca (wcwidth);
- struct obstack output;
- struct cleanup *inner_cleanup;
tem = value_as_address (value);
+ if (tem == 0)
+ {
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
+ fprintf_filtered (stream, format, "(null)");
+ DIAGNOSTIC_POP
+ return;
+ }
/* This is a %s argument. Find the length of the string. */
for (j = 0;; j += wcwidth)
read_memory (tem, str, j);
memset (&str[j], 0, wcwidth);
- obstack_init (&output);
- inner_cleanup = make_cleanup_obstack_free (&output);
+ auto_obstack output;
convert_between_encodings (target_wide_charset (gdbarch),
host_charset (),
&output, translit_char);
obstack_grow_str0 (&output, "");
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, format, obstack_base (&output));
- do_cleanups (inner_cleanup);
+ DIAGNOSTIC_POP
}
/* Subroutine of ui_printf to simplify it.
- Print VALUE, a decimal floating point value, to STREAM using FORMAT. */
+ Print VALUE, a floating point value, to STREAM using FORMAT. */
static void
-printf_decfloat (struct ui_file *stream, const char *format,
- struct value *value)
+printf_floating (struct ui_file *stream, const char *format,
+ struct value *value, enum argclass argclass)
{
- const gdb_byte *param_ptr = value_contents (value);
-
-#if defined (PRINTF_HAS_DECFLOAT)
- /* If we have native support for Decimal floating
- printing, handle it here. */
- fprintf_filtered (stream, format, param_ptr);
-#else
- /* As a workaround until vasprintf has native support for DFP
- we convert the DFP values to string and print them using
- the %s format specifier. */
- const char *p;
-
/* Parameter data. */
struct type *param_type = value_type (value);
struct gdbarch *gdbarch = get_type_arch (param_type);
- enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- /* DFP output data. */
- struct value *dfp_value = NULL;
- gdb_byte *dfp_ptr;
- int dfp_len = 16;
- gdb_byte dec[16];
- struct type *dfp_type = NULL;
- char decstr[MAX_DECIMAL_STRING];
-
- /* Points to the end of the string so that we can go back
- and check for DFP length modifiers. */
- p = format + strlen (format);
-
- /* Look for the float/double format specifier. */
- while (*p != 'f' && *p != 'e' && *p != 'E'
- && *p != 'g' && *p != 'G')
- p--;
-
- /* Search for the '%' char and extract the size and type of
- the output decimal value based on its modifiers
- (%Hf, %Df, %DDf). */
- while (*--p != '%')
- {
- if (*p == 'H')
- {
- dfp_len = 4;
- dfp_type = builtin_type (gdbarch)->builtin_decfloat;
- }
- else if (*p == 'D' && *(p - 1) == 'D')
- {
- dfp_len = 16;
- dfp_type = builtin_type (gdbarch)->builtin_declong;
- p--;
- }
- else
- {
- dfp_len = 8;
- dfp_type = builtin_type (gdbarch)->builtin_decdouble;
- }
+ /* Determine target type corresponding to the format string. */
+ struct type *fmt_type;
+ switch (argclass)
+ {
+ case double_arg:
+ fmt_type = builtin_type (gdbarch)->builtin_double;
+ break;
+ case long_double_arg:
+ fmt_type = builtin_type (gdbarch)->builtin_long_double;
+ break;
+ case dec32float_arg:
+ fmt_type = builtin_type (gdbarch)->builtin_decfloat;
+ break;
+ case dec64float_arg:
+ fmt_type = builtin_type (gdbarch)->builtin_decdouble;
+ break;
+ case dec128float_arg:
+ fmt_type = builtin_type (gdbarch)->builtin_declong;
+ break;
+ default:
+ gdb_assert_not_reached ("unexpected argument class");
}
- /* Conversion between different DFP types. */
- if (TYPE_CODE (param_type) == TYPE_CODE_DECFLOAT)
- decimal_convert (param_ptr, TYPE_LENGTH (param_type),
- byte_order, dec, dfp_len, byte_order);
- else
- /* If this is a non-trivial conversion, just output 0.
- A correct converted value can be displayed by explicitly
- casting to a DFP type. */
- decimal_from_string (dec, dfp_len, byte_order, "0");
+ /* To match the traditional GDB behavior, the conversion is
+ done differently depending on the type of the parameter:
- dfp_value = value_from_decfloat (dfp_type, dec);
+ - if the parameter has floating-point type, it's value
+ is converted to the target type;
- dfp_ptr = (gdb_byte *) value_contents (dfp_value);
+ - otherwise, if the parameter has a type that is of the
+ same size as a built-in floating-point type, the value
+ bytes are interpreted as if they were of that type, and
+ then converted to the target type (this is not done for
+ decimal floating-point argument classes);
- decimal_to_string (dfp_ptr, dfp_len, byte_order, decstr);
+ - otherwise, if the source value has an integer value,
+ it's value is converted to the target type;
- /* Print the DFP value. */
- fprintf_filtered (stream, "%s", decstr);
-#endif
+ - otherwise, an error is raised.
+
+ In either case, the result of the conversion is a byte buffer
+ formatted in the target format for the target type. */
+
+ if (TYPE_CODE (fmt_type) == TYPE_CODE_FLT)
+ {
+ param_type = float_type_from_length (param_type);
+ if (param_type != value_type (value))
+ value = value_from_contents (param_type, value_contents (value));
+ }
+
+ value = value_cast (fmt_type, value);
+
+ /* Convert the value to a string and print it. */
+ std::string str
+ = target_float_to_string (value_contents (value), fmt_type, format);
+ fputs_filtered (str.c_str (), stream);
}
/* Subroutine of ui_printf to simplify it.
if (val != 0)
*fmt_p++ = '#';
- /* Copy any width. */
- while (*p >= '0' && *p < '9')
+ /* Copy any width or flags. Only the "-" flag is valid for pointers
+ -- see the format_pieces constructor. */
+ while (*p == '-' || (*p >= '0' && *p < '9'))
*fmt_p++ = *p++;
gdb_assert (*p == 'p' && *(p + 1) == '\0');
*fmt_p++ = 'l';
*fmt_p++ = 'x';
*fmt_p++ = '\0';
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, fmt, val);
+ DIAGNOSTIC_POP
}
else
{
*fmt_p++ = 's';
*fmt_p++ = '\0';
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, fmt, "(nil)");
+ DIAGNOSTIC_POP
}
}
static void
ui_printf (const char *arg, struct ui_file *stream)
{
- struct format_piece *fpieces;
const char *s = arg;
- struct value **val_args;
- int allocated_args = 20;
- struct cleanup *old_cleanups;
-
- val_args = XNEWVEC (struct value *, allocated_args);
- old_cleanups = make_cleanup (free_current_contents, &val_args);
+ std::vector<struct value *> val_args;
if (s == 0)
error_no_arg (_("format-control string and values to print"));
- s = skip_spaces_const (s);
+ s = skip_spaces (s);
/* A format string should follow, enveloped in double quotes. */
if (*s++ != '"')
error (_("Bad format string, missing '\"'."));
- fpieces = parse_format_string (&s);
-
- make_cleanup (free_format_pieces_cleanup, &fpieces);
+ format_pieces fpieces (&s);
if (*s++ != '"')
error (_("Bad format string, non-terminated '\"'."));
- s = skip_spaces_const (s);
+ s = skip_spaces (s);
if (*s != ',' && *s != 0)
error (_("Invalid argument syntax"));
if (*s == ',')
s++;
- s = skip_spaces_const (s);
+ s = skip_spaces (s);
{
- int nargs = 0;
int nargs_wanted;
- int i, fr;
- char *current_substring;
+ int i;
+ const char *current_substring;
nargs_wanted = 0;
- for (fr = 0; fpieces[fr].string != NULL; fr++)
- if (fpieces[fr].argclass != literal_piece)
+ for (auto &&piece : fpieces)
+ if (piece.argclass != literal_piece)
++nargs_wanted;
/* Now, parse all arguments and evaluate them.
{
const char *s1;
- if (nargs == allocated_args)
- val_args = (struct value **) xrealloc ((char *) val_args,
- (allocated_args *= 2)
- * sizeof (struct value *));
s1 = s;
- val_args[nargs] = parse_to_comma_and_eval (&s1);
+ val_args.push_back (parse_to_comma_and_eval (&s1));
- nargs++;
s = s1;
if (*s == ',')
s++;
}
- if (nargs != nargs_wanted)
+ if (val_args.size () != nargs_wanted)
error (_("Wrong number of arguments for specified format-string"));
/* Now actually print them. */
i = 0;
- for (fr = 0; fpieces[fr].string != NULL; fr++)
+ for (auto &&piece : fpieces)
{
- current_substring = fpieces[fr].string;
- switch (fpieces[fr].argclass)
+ current_substring = piece.string;
+ switch (piece.argclass)
{
case string_arg:
printf_c_string (stream, current_substring, val_args[i]);
struct type *wctype = lookup_typename (current_language, gdbarch,
"wchar_t", NULL, 0);
struct type *valtype;
- struct obstack output;
- struct cleanup *inner_cleanup;
const gdb_byte *bytes;
valtype = value_type (val_args[i]);
bytes = value_contents (val_args[i]);
- obstack_init (&output);
- inner_cleanup = make_cleanup_obstack_free (&output);
+ auto_obstack output;
convert_between_encodings (target_wide_charset (gdbarch),
host_charset (),
&output, translit_char);
obstack_grow_str0 (&output, "");
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, current_substring,
obstack_base (&output));
- do_cleanups (inner_cleanup);
+ DIAGNOSTIC_POP
}
break;
- case double_arg:
- {
- struct type *type = value_type (val_args[i]);
- DOUBLEST val;
- int inv;
-
- /* If format string wants a float, unchecked-convert the value
- to floating point of the same size. */
- type = float_type_from_length (type);
- val = unpack_double (type, value_contents (val_args[i]), &inv);
- if (inv)
- error (_("Invalid floating value found in program."));
-
- fprintf_filtered (stream, current_substring, (double) val);
- break;
- }
- case long_double_arg:
-#ifdef HAVE_LONG_DOUBLE
- {
- struct type *type = value_type (val_args[i]);
- DOUBLEST val;
- int inv;
-
- /* If format string wants a float, unchecked-convert the value
- to floating point of the same size. */
- type = float_type_from_length (type);
- val = unpack_double (type, value_contents (val_args[i]), &inv);
- if (inv)
- error (_("Invalid floating value found in program."));
-
- fprintf_filtered (stream, current_substring,
- (long double) val);
- break;
- }
-#else
- error (_("long double not supported in printf"));
-#endif
case long_long_arg:
#ifdef PRINTF_HAS_LONG_LONG
{
long long val = value_as_long (val_args[i]);
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, current_substring, val);
+ DIAGNOSTIC_POP
break;
}
#else
{
int val = value_as_long (val_args[i]);
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, current_substring, val);
+ DIAGNOSTIC_POP
break;
}
case long_arg:
{
long val = value_as_long (val_args[i]);
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, current_substring, val);
+ DIAGNOSTIC_POP
break;
}
- /* Handles decimal floating values. */
- case decfloat_arg:
- printf_decfloat (stream, current_substring, val_args[i]);
+ /* Handles floating-point values. */
+ case double_arg:
+ case long_double_arg:
+ case dec32float_arg:
+ case dec64float_arg:
+ case dec128float_arg:
+ printf_floating (stream, current_substring, val_args[i],
+ piece.argclass);
break;
case ptr_arg:
printf_pointer (stream, current_substring, val_args[i]);
have modified GCC to include -Wformat-security by
default, which will warn here if there is no
argument. */
+ DIAGNOSTIC_PUSH
+ DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
fprintf_filtered (stream, current_substring, 0);
+ DIAGNOSTIC_POP
break;
default:
internal_error (__FILE__, __LINE__,
_("failed internal consistency check"));
}
/* Maybe advance to the next argument. */
- if (fpieces[fr].argclass != literal_piece)
+ if (piece.argclass != literal_piece)
++i;
}
}
- do_cleanups (old_cleanups);
}
/* Implement the "printf" command. */
static void
-printf_command (char *arg, int from_tty)
+printf_command (const char *arg, int from_tty)
{
ui_printf (arg, gdb_stdout);
+ reset_terminal_style (gdb_stdout);
+ wrap_here ("");
gdb_flush (gdb_stdout);
}
/* Implement the "eval" command. */
static void
-eval_command (char *arg, int from_tty)
+eval_command (const char *arg, int from_tty)
{
- struct ui_file *ui_out = mem_fileopen ();
- struct cleanup *cleanups = make_cleanup_ui_file_delete (ui_out);
-
- ui_printf (arg, ui_out);
+ string_file stb;
- std::string expanded = ui_file_as_string (ui_out);
+ ui_printf (arg, &stb);
- execute_command (&expanded[0], from_tty);
+ std::string expanded = insert_user_defined_cmd_args (stb.c_str ());
- do_cleanups (cleanups);
+ execute_command (expanded.c_str (), from_tty);
}
void
current_display_number = -1;
- observer_attach_free_objfile (clear_dangling_display_expressions);
+ gdb::observers::free_objfile.attach (clear_dangling_display_expressions);
- add_info ("address", address_info,
+ add_info ("address", info_address_command,
_("Describe where symbol SYM is stored."));
- add_info ("symbol", sym_info, _("\
+ add_info ("symbol", info_symbol_command, _("\
Describe what symbol is at location ADDR.\n\
Only for symbols with fixed locations (global or static scope)."));
_("Print line number and file of definition of variable."));
#endif
- add_info ("display", display_info, _("\
+ add_info ("display", info_display_command, _("\
Expressions to display when program stops, with code numbers."));
add_cmd ("undisplay", class_vars, undisplay_command, _("\
Do \"info display\" to see current list of code numbers."), &deletelist);
add_com ("printf", class_vars, printf_command, _("\
-printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
-This is useful for formatted output in user-defined commands."));
+Formatted printing, like the C \"printf\" function.\n\
+Usage: printf \"format string\", arg1, arg2, arg3, ..., argn\n\
+This supports most C printf format specifications, like %s, %d, etc."));
add_com ("output", class_vars, output_command, _("\
Like \"print\" but don't put in value history and don't print newline.\n\
variable in the program being debugged. EXP is any valid expression.\n\
This may usually be abbreviated to simply \"set\"."),
&setlist);
+ add_alias_cmd ("var", "variable", class_vars, 0, &setlist);
c = add_com ("print", class_vars, print_command, _("\
Print value of expression EXP.\n\
projects / deliverable / binutils-gdb.git / blobdiff