char *
go_demangle (const char *mangled_name, int options)
{
struct obstack tempbuf;
char *result;
char *name_buf;
const char *package_name;
const char *object_name;
const char *method_type_package_name;
const char *method_type_object_name;
int method_type_is_pointer;
if (mangled_name == NULL)
return NULL;
name_buf = unpack_mangled_go_symbol (mangled_name,
&package_name, &object_name,
&method_type_package_name,
&method_type_object_name,
&method_type_is_pointer);
if (name_buf == NULL)
return NULL;
obstack_init (&tempbuf);
/* Print methods as they appear in "method expressions". */
if (method_type_package_name != NULL)
{
/* FIXME: Seems like we should include package_name here somewhere. */
if (method_type_is_pointer)
obstack_grow_str (&tempbuf, "(*");
obstack_grow_str (&tempbuf, method_type_package_name);
obstack_grow_str (&tempbuf, ".");
obstack_grow_str (&tempbuf, method_type_object_name);
if (method_type_is_pointer)
obstack_grow_str (&tempbuf, ")");
obstack_grow_str (&tempbuf, ".");
obstack_grow_str (&tempbuf, object_name);
}
else
{
obstack_grow_str (&tempbuf, package_name);
obstack_grow_str (&tempbuf, ".");
obstack_grow_str (&tempbuf, object_name);
}
obstack_grow_str0 (&tempbuf, "");
result = xstrdup ((const char *) obstack_finish (&tempbuf));
obstack_free (&tempbuf, NULL);
xfree (name_buf);
return result;
}
static LONGEST
windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
struct obstack obstack;
const char *buf;
LONGEST len_avail;
struct cpms_data data = { gdbarch, &obstack, 0 };
obstack_init (&obstack);
obstack_grow_str (&obstack, "<library-list>\n");
bfd_map_over_sections (core_bfd,
core_process_module_section,
&data);
obstack_grow_str0 (&obstack, "</library-list>\n");
buf = obstack_finish (&obstack);
len_avail = strlen (buf);
if (offset >= len_avail)
return 0;
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
obstack_free (&obstack, NULL);
return len;
}
void
win32_xfer_shared_library (const char* so_name, CORE_ADDR load_addr,
struct obstack *obstack)
{
char *p;
obstack_grow_str (obstack, "<library name=\"");
p = xml_escape_text (so_name);
obstack_grow_str (obstack, p);
xfree (p);
obstack_grow_str (obstack, "\"><segment address=\"0x");
/* The symbols in a dll are offset by 0x1000, which is the the
offset from 0 of the first byte in an image - because of the file
header and the section alignment. */
p = paddr_nz (load_addr + 0x1000);
obstack_grow_str (obstack, p);
obstack_grow_str (obstack, "\"/></library>");
}
/* Extract identifiers from MANGLED_STR and append it to TEMPBUF.
Return 1 on success or 0 on failure. */
static int
extract_identifiers (const char *mangled_str, struct obstack *tempbuf)
{
long i = 0;
while (isdigit (*mangled_str))
{
char *end_ptr;
i = strtol (mangled_str, &end_ptr, 10);
mangled_str = end_ptr;
if (i <= 0 || strlen (mangled_str) < i)
return 0;
obstack_grow (tempbuf, mangled_str, i);
mangled_str += i;
obstack_grow_str (tempbuf, ".");
}
if (*mangled_str == '\0' || i == 0)
return 0;
obstack_blank (tempbuf, -1);
return 1;
}
void
convert_between_encodings (const char *from, const char *to,
const gdb_byte *bytes, unsigned int num_bytes,
int width, struct obstack *output,
enum transliterations translit)
{
iconv_t desc;
struct cleanup *cleanups;
size_t inleft;
char *inp;
unsigned int space_request;
/* Often, the host and target charsets will be the same. */
if (!strcmp (from, to))
{
obstack_grow (output, bytes, num_bytes);
return;
}
desc = iconv_open (to, from);
if (desc == (iconv_t) -1)
perror_with_name (_("Converting character sets"));
cleanups = make_cleanup (cleanup_iconv, &desc);
inleft = num_bytes;
inp = (char *) bytes;
space_request = num_bytes;
while (inleft > 0)
{
char *outp;
size_t outleft, r;
int old_size;
old_size = obstack_object_size (output);
obstack_blank (output, space_request);
outp = obstack_base (output) + old_size;
outleft = space_request;
r = iconv (desc, (ICONV_CONST char **) &inp, &inleft, &outp, &outleft);
/* Now make sure that the object on the obstack only includes
bytes we have converted. */
obstack_blank (output, - (int) outleft);
if (r == (size_t) -1)
{
switch (errno)
{
case EILSEQ:
{
int i;
/* Invalid input sequence. */
if (translit == translit_none)
error (_("Could not convert character "
"to `%s' character set"), to);
/* We emit escape sequence for the bytes, skip them,
and try again. */
for (i = 0; i < width; ++i)
{
char octal[5];
xsnprintf (octal, sizeof (octal), "\\%.3o", *inp & 0xff);
obstack_grow_str (output, octal);
++inp;
--inleft;
}
}
break;
case E2BIG:
/* We ran out of space in the output buffer. Make it
bigger next time around. */
space_request *= 2;
break;
case EINVAL:
/* Incomplete input sequence. FIXME: ought to report this
to the caller somehow. */
inleft = 0;
break;
default:
perror_with_name (_("Internal error while "
"converting character sets"));
}
}
}
do_cleanups (cleanups);
}
static LONGEST
rs6000_xfer_shared_libraries
(struct target_ops *ops, enum target_object object,
const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf,
ULONGEST offset, LONGEST len)
{
const int arch64 = ARCH64 ();
LdInfo *ldi_data;
LdInfo *ldi;
struct obstack obstack;
const char *buf;
LONGEST len_avail;
if (writebuf)
return -1;
/* Get the ldinfo raw data: If debugging a live process, we get it
using ptrace. Otherwise, the info is stored in the .ldinfo
section of the core file. */
if (target_has_execution)
ldi_data = rs6000_ptrace_ldinfo (inferior_ptid);
else
ldi_data = rs6000_core_ldinfo (core_bfd);
/* Convert the raw data into an XML representation. */
obstack_init (&obstack);
obstack_grow_str (&obstack, "<library-list version=\"1.0\">\n");
ldi = ldi_data;
while (1)
{
/* Close the fd. We cannot use it, because we cannot assume
that the user of this descriptor will be in the same
process. */
close (LDI_FD (ldi, arch64));
rs6000_xfer_shared_library (ldi, &obstack);
if (!LDI_NEXT (ldi, arch64))
break;
ldi = (LdInfo *) ((char *) ldi + LDI_NEXT (ldi, arch64));
}
xfree (ldi_data);
obstack_grow_str0 (&obstack, "</library-list>\n");
buf = obstack_finish (&obstack);
len_avail = strlen (buf);
if (offset >= len_avail)
len= 0;
else
{
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
}
obstack_free (&obstack, NULL);
return len;
}
static void
rs6000_xfer_shared_library (LdInfo *ldi, struct obstack *obstack)
{
const int arch64 = ARCH64 ();
const char *archive_name = LDI_FILENAME (ldi, arch64);
const char *member_name = archive_name + strlen (archive_name) + 1;
CORE_ADDR text_addr, data_addr;
ULONGEST text_size, data_size;
char *p;
if (arch64)
{
text_addr = ldi->l64.ldinfo_textorg;
text_size = ldi->l64.ldinfo_textsize;
data_addr = ldi->l64.ldinfo_dataorg;
data_size = ldi->l64.ldinfo_datasize;
}
else
{
/* The text and data addresses are defined as pointers.
To avoid sign-extending their value in the assignments
below, we cast their value to unsigned long first. */
text_addr = (unsigned long) ldi->l32.ldinfo_textorg;
text_size = ldi->l32.ldinfo_textsize;
data_addr = (unsigned long) ldi->l32.ldinfo_dataorg;
data_size = ldi->l32.ldinfo_datasize;
}
obstack_grow_str (obstack, "<library name=\"");
p = xml_escape_text (archive_name);
obstack_grow_str (obstack, p);
xfree (p);
obstack_grow_str (obstack, "\"");
if (member_name[0] != '\0')
{
obstack_grow_str (obstack, " member=\"");
p = xml_escape_text (member_name);
obstack_grow_str (obstack, p);
xfree (p);
obstack_grow_str (obstack, "\"");
}
obstack_grow_str (obstack, " text_addr=\"");
obstack_grow_str (obstack, core_addr_to_string (text_addr));
obstack_grow_str (obstack, "\"");
obstack_grow_str (obstack, " text_size=\"");
obstack_grow_str (obstack, pulongest (text_size));
obstack_grow_str (obstack, "\"");
obstack_grow_str (obstack, " data_addr=\"");
obstack_grow_str (obstack, core_addr_to_string (data_addr));
obstack_grow_str (obstack, "\"");
obstack_grow_str (obstack, " data_size=\"");
obstack_grow_str (obstack, pulongest (data_size));
obstack_grow_str (obstack, "\"");
obstack_grow_str (obstack, "></library>");
}
/* Extract and demangle type from MANGLED_STR and append it to TEMPBUF.
Return 1 on success or 0 on failure. */
static int
extract_type_info (const char *mangled_str, struct obstack *tempbuf)
{
if (*mangled_str == '\0')
return 0;
switch (*mangled_str++)
{
case 'A': /* dynamic array */
case 'G': /* static array */
case 'H': /* associative array */
if (!extract_type_info (mangled_str, tempbuf))
return 0;
obstack_grow_str (tempbuf, "[]");
return 1;
case 'P': /* pointer */
if (!extract_type_info (mangled_str, tempbuf))
return 0;
obstack_grow_str (tempbuf, "*");
return 1;
case 'R': /* reference */
if (!extract_type_info (mangled_str, tempbuf))
return 0;
obstack_grow_str (tempbuf, "&");
return 1;
case 'Z': /* return value */
return extract_type_info (mangled_str, tempbuf);
case 'J': /* out */
obstack_grow_str (tempbuf, "out ");
return extract_type_info (mangled_str, tempbuf);
case 'K': /* inout */
obstack_grow_str (tempbuf, "inout ");
return extract_type_info (mangled_str, tempbuf);
case 'E': /* enum */
case 'T': /* typedef */
case 'D': /* delegate */
case 'C': /* class */
case 'S': /* struct */
return extract_identifiers (mangled_str, tempbuf);
/* basic types: */
case 'n': obstack_grow_str (tempbuf, "none"); return 1;
case 'v': obstack_grow_str (tempbuf, "void"); return 1;
case 'g': obstack_grow_str (tempbuf, "byte"); return 1;
case 'h': obstack_grow_str (tempbuf, "ubyte"); return 1;
case 's': obstack_grow_str (tempbuf, "short"); return 1;
case 't': obstack_grow_str (tempbuf, "ushort"); return 1;
case 'i': obstack_grow_str (tempbuf, "int"); return 1;
case 'k': obstack_grow_str (tempbuf, "uint"); return 1;
case 'l': obstack_grow_str (tempbuf, "long"); return 1;
case 'm': obstack_grow_str (tempbuf, "ulong"); return 1;
case 'f': obstack_grow_str (tempbuf, "float"); return 1;
case 'd': obstack_grow_str (tempbuf, "double"); return 1;
case 'e': obstack_grow_str (tempbuf, "real"); return 1;
/* imaginary and complex: */
case 'o': obstack_grow_str (tempbuf, "ifloat"); return 1;
case 'p': obstack_grow_str (tempbuf, "idouble"); return 1;
case 'j': obstack_grow_str (tempbuf, "ireal"); return 1;
case 'q': obstack_grow_str (tempbuf, "cfloat"); return 1;
case 'r': obstack_grow_str (tempbuf, "cdouble"); return 1;
case 'c': obstack_grow_str (tempbuf, "creal"); return 1;
/* other types: */
case 'b': obstack_grow_str (tempbuf, "bit"); return 1;
case 'a': obstack_grow_str (tempbuf, "char"); return 1;
case 'u': obstack_grow_str (tempbuf, "wchar"); return 1;
case 'w': obstack_grow_str (tempbuf, "dchar"); return 1;
default:
obstack_grow_str (tempbuf, "unknown");
return 1;
}
}
/* Implements the la_demangle language_defn routine for language D. */
char *
d_demangle (const char *symbol, int options)
{
struct obstack tempbuf;
char *out_str;
unsigned char is_func = 0;
if (symbol == NULL)
return NULL;
else if (strcmp (symbol, "_Dmain") == 0)
return xstrdup ("D main");
obstack_init (&tempbuf);
if (symbol[0] == '_' && symbol[1] == 'D')
{
symbol += 2;
is_func = 1;
}
else if (strncmp (symbol, "__Class_", 8) == 0)
symbol += 8;
else if (strncmp (symbol, "__init_", 7) == 0)
symbol += 7;
else if (strncmp (symbol, "__vtbl_", 7) == 0)
symbol += 7;
else if (strncmp (symbol, "__modctor_", 10) == 0)
symbol += 10;
else if (strncmp (symbol, "__moddtor_", 10) == 0)
symbol += 10;
else if (strncmp (symbol, "__ModuleInfo_", 13) == 0)
symbol += 13;
else
{
obstack_free (&tempbuf, NULL);
return NULL;
}
if (!extract_identifiers (symbol, &tempbuf))
{
obstack_free (&tempbuf, NULL);
return NULL;
}
obstack_grow_str (&tempbuf, "(");
if (is_func == 1 && *symbol == 'F')
{
symbol++;
while (*symbol != '\0' && *symbol != 'Z')
{
if (is_func == 1)
is_func++;
else
obstack_grow_str (&tempbuf, ", ");
if (!extract_type_info (symbol, &tempbuf))
{
obstack_free (&tempbuf, NULL);
return NULL;
}
}
}
obstack_grow_str0 (&tempbuf, ")");
/* Doesn't display the return type, but wouldn't be too hard to do. */
out_str = xstrdup (obstack_finish (&tempbuf));
obstack_free (&tempbuf, NULL);
return out_str;
}
