void
i386_pe_unique_section (tree decl, int reloc)
{
int len;
const char *name, *prefix;
char *string;
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
name = i386_pe_strip_name_encoding_full (name);
/* The object is put in, for example, section .text$foo.
The linker will then ultimately place them in .text
(everything from the $ on is stripped). Don't put
read-only data in .rdata section to avoid a PE linker
bug when .rdata$* grouped sections are used in code
without a .rdata section. */
if (TREE_CODE (decl) == FUNCTION_DECL)
prefix = ".text$";
else if (decl_readonly_section (decl, reloc))
prefix = ".rdata$";
else
prefix = ".data$";
len = strlen (name) + strlen (prefix);
string = alloca (len + 1);
sprintf (string, "%s%s", prefix, name);
DECL_SECTION_NAME (decl) = build_string (len, string);
}
unsigned int
i386_pe_section_type_flags (tree decl, const char *name, int reloc)
{
static htab_t htab;
unsigned int flags;
unsigned int **slot;
/* The names we put in the hashtable will always be the unique
versions given to us by the stringtable, so we can just use
their addresses as the keys. */
if (!htab)
htab = htab_create (31, htab_hash_pointer, htab_eq_pointer, NULL);
if (decl && TREE_CODE (decl) == FUNCTION_DECL)
flags = SECTION_CODE;
else if (decl && decl_readonly_section (decl, reloc))
flags = 0;
else
{
flags = SECTION_WRITE;
if (decl && TREE_CODE (decl) == VAR_DECL
/* APPLE LOCAL begin mainline 2005-04-01 */
&& lookup_attribute ("shared", DECL_ATTRIBUTES (decl)))
flags |= SECTION_PE_SHARED;
/* APPLE LOCAL end mainline 2005-04-01 */
}
if (decl && DECL_ONE_ONLY (decl))
flags |= SECTION_LINKONCE;
/* See if we already have an entry for this section. */
slot = (unsigned int **) htab_find_slot (htab, name, INSERT);
if (!*slot)
{
*slot = (unsigned int *) xmalloc (sizeof (unsigned int));
**slot = flags;
}
else
{
if (decl && **slot != flags)
error ("%J'%D' causes a section type conflict", decl, decl);
}
return flags;
}
