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Diffstat (limited to 'gdb/c-lang.c')
-rw-r--r--gdb/c-lang.c67
1 files changed, 40 insertions, 27 deletions
diff --git a/gdb/c-lang.c b/gdb/c-lang.c
index 5718143..55dc042 100644
--- a/gdb/c-lang.c
+++ b/gdb/c-lang.c
@@ -42,23 +42,24 @@ extern void _initialize_c_language (void);
character set name. */
static const char *
-charset_for_string_type (enum c_string_type str_type)
+charset_for_string_type (enum c_string_type str_type,
+ enum bfd_endian byte_order)
{
switch (str_type & ~C_CHAR)
{
case C_STRING:
return target_charset ();
case C_WIDE_STRING:
- return target_wide_charset ();
+ return target_wide_charset (byte_order);
case C_STRING_16:
/* FIXME: UCS-2 is not always correct. */
- if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
+ if (byte_order == BFD_ENDIAN_BIG)
return "UCS-2BE";
else
return "UCS-2LE";
case C_STRING_32:
/* FIXME: UCS-4 is not always correct. */
- if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
+ if (byte_order == BFD_ENDIAN_BIG)
return "UCS-4BE";
else
return "UCS-4LE";
@@ -69,10 +70,11 @@ charset_for_string_type (enum c_string_type str_type)
/* Classify ELTTYPE according to what kind of character it is. Return
the enum constant representing the character type. Also set
*ENCODING to the name of the character set to use when converting
- characters of this type to the host character set. */
+ characters of this type in target BYTE_ORDER to the host character set. */
static enum c_string_type
-classify_type (struct type *elttype, const char **encoding)
+classify_type (struct type *elttype, enum bfd_endian byte_order,
+ const char **encoding)
{
struct type *saved_type;
enum c_string_type result;
@@ -131,7 +133,9 @@ classify_type (struct type *elttype, const char **encoding)
result = C_CHAR;
done:
- *encoding = charset_for_string_type (result);
+ if (encoding)
+ *encoding = charset_for_string_type (result, byte_order);
+
return result;
}
@@ -172,8 +176,8 @@ append_string_as_wide (const char *string, struct obstack *output)
static void
print_wchar (gdb_wint_t w, const gdb_byte *orig, int orig_len,
- int width, struct obstack *output, int quoter,
- int *need_escapep)
+ int width, enum bfd_endian byte_order, struct obstack *output,
+ int quoter, int *need_escapep)
{
int need_escape = *need_escapep;
*need_escapep = 0;
@@ -219,7 +223,8 @@ print_wchar (gdb_wint_t w, const gdb_byte *orig, int orig_len,
for (i = 0; i + width <= orig_len; i += width)
{
char octal[30];
- ULONGEST value = extract_unsigned_integer (&orig[i], width);
+ ULONGEST value;
+ value = extract_unsigned_integer (&orig[i], width, byte_order);
sprintf (octal, "\\%lo", (long) value);
append_string_as_wide (octal, output);
}
@@ -246,6 +251,7 @@ print_wchar (gdb_wint_t w, const gdb_byte *orig, int orig_len,
static void
c_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
struct obstack wchar_buf, output;
struct cleanup *cleanups;
const char *encoding;
@@ -253,7 +259,7 @@ c_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
struct wchar_iterator *iter;
int need_escape = 0;
- classify_type (type, &encoding);
+ classify_type (type, byte_order, &encoding);
buf = alloca (TYPE_LENGTH (type));
pack_long (buf, type, c);
@@ -299,14 +305,14 @@ c_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
{
for (i = 0; i < num_chars; ++i)
print_wchar (chars[i], buf, buflen, TYPE_LENGTH (type),
- &wchar_buf, quoter, &need_escape);
+ byte_order, &wchar_buf, quoter, &need_escape);
}
}
/* This handles the NUM_CHARS == 0 case as well. */
if (print_escape)
- print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), &wchar_buf,
- quoter, &need_escape);
+ print_wchar (gdb_WEOF, buf, buflen, TYPE_LENGTH (type), byte_order,
+ &wchar_buf, quoter, &need_escape);
}
/* The output in the host encoding. */
@@ -328,9 +334,8 @@ void
c_printchar (int c, struct type *type, struct ui_file *stream)
{
enum c_string_type str_type;
- const char *encoding;
- str_type = classify_type (type, &encoding);
+ str_type = classify_type (type, BFD_ENDIAN_UNKNOWN, NULL);
switch (str_type)
{
case C_CHAR:
@@ -362,6 +367,7 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
unsigned int length, int force_ellipses,
const struct value_print_options *options)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
unsigned int i;
unsigned int things_printed = 0;
int in_quotes = 0;
@@ -380,10 +386,11 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
style. */
if (!force_ellipses
&& length > 0
- && (extract_unsigned_integer (string + (length - 1) * width, width) == 0))
+ && (extract_unsigned_integer (string + (length - 1) * width,
+ width, byte_order) == 0))
length--;
- str_type = classify_type (type, &encoding) & ~C_CHAR;
+ str_type = classify_type (type, byte_order, &encoding) & ~C_CHAR;
switch (str_type)
{
case C_STRING:
@@ -411,7 +418,8 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
for (i = 0; current_char; ++i)
{
QUIT;
- current_char = extract_unsigned_integer (string + i * width, width);
+ current_char = extract_unsigned_integer (string + i * width,
+ width, byte_order);
}
length = i;
}
@@ -481,7 +489,7 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
obstack_grow_wstr (&wchar_buf, LCST ("'"));
need_escape = 0;
print_wchar (current_char, orig_buf, orig_len, width,
- &wchar_buf, '\'', &need_escape);
+ byte_order, &wchar_buf, '\'', &need_escape);
obstack_grow_wstr (&wchar_buf, LCST ("'"));
{
/* Painful gyrations. */
@@ -514,7 +522,7 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
while (reps-- > 0)
{
print_wchar (current_char, orig_buf, orig_len, width,
- &wchar_buf, '"', &need_escape);
+ byte_order, &wchar_buf, '"', &need_escape);
++things_printed;
}
}
@@ -541,7 +549,7 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
in_quotes = 1;
}
need_escape = 0;
- print_wchar (gdb_WEOF, buf, buflen, width, &wchar_buf,
+ print_wchar (gdb_WEOF, buf, buflen, width, byte_order, &wchar_buf,
'"', &need_escape);
break;
@@ -555,7 +563,7 @@ c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
in_quotes = 0;
}
obstack_grow_wstr (&wchar_buf, LCST (" <incomplete sequence "));
- print_wchar (gdb_WEOF, buf, buflen, width, &wchar_buf,
+ print_wchar (gdb_WEOF, buf, buflen, width, byte_order, &wchar_buf,
0, &need_escape);
obstack_grow_wstr (&wchar_buf, LCST (">"));
finished = 1;
@@ -612,6 +620,7 @@ c_get_string (struct value *value, gdb_byte **buffer, int *length,
unsigned int fetchlimit;
struct type *type = check_typedef (value_type (value));
struct type *element_type = TYPE_TARGET_TYPE (type);
+ enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
if (element_type == NULL)
goto error;
@@ -659,7 +668,8 @@ c_get_string (struct value *value, gdb_byte **buffer, int *length,
/* Look for a null character. */
for (i = 0; i < fetchlimit; i++)
- if (extract_unsigned_integer (contents + i * width, width) == 0)
+ if (extract_unsigned_integer (contents + i * width, width,
+ byte_order) == 0)
break;
/* I is now either the number of non-null characters, or FETCHLIMIT. */
@@ -671,7 +681,7 @@ c_get_string (struct value *value, gdb_byte **buffer, int *length,
else
{
err = read_string (value_as_address (value), -1, width, fetchlimit,
- buffer, length);
+ byte_order, buffer, length);
if (err)
{
xfree (*buffer);
@@ -682,7 +692,8 @@ c_get_string (struct value *value, gdb_byte **buffer, int *length,
/* If the last character is null, subtract it from LENGTH. */
if (*length > 0
- && extract_unsigned_integer (*buffer + *length - width, width) == 0)
+ && extract_unsigned_integer (*buffer + *length - width, width,
+ byte_order) == 0)
*length -= width;
*charset = target_charset ();
@@ -905,6 +916,7 @@ evaluate_subexp_c (struct type *expect_type, struct expression *exp,
struct value *result;
enum c_string_type dest_type;
const char *dest_charset;
+ enum bfd_endian byte_order;
obstack_init (&output);
cleanup = make_cleanup_obstack_free (&output);
@@ -941,7 +953,8 @@ evaluate_subexp_c (struct type *expect_type, struct expression *exp,
/* Ensure TYPE_LENGTH is valid for TYPE. */
check_typedef (type);
- dest_charset = charset_for_string_type (dest_type);
+ byte_order = gdbarch_byte_order (exp->gdbarch);
+ dest_charset = charset_for_string_type (dest_type, byte_order);
++*pos;
while (*pos < limit)
generated by cgit v1.1 at 2024-07-13 11:58:20 +0000