This may be combined with '.', '!', ',', '|', and '*' as above.
%(Spec) processes a specification defined in a specs file as *Spec:
- %[Spec] as above, but put __ around -D arguments
The conditional text X in a %{S:X} or similar construct may contain
other nested % constructs or spaces, or even newlines. They are
/* XXX: should exactly match hooks provided by libmudflap.a */
#define MFWRAP_SPEC " %{static: %{fmudflap|fmudflapth: \
--wrap=malloc --wrap=free --wrap=calloc --wrap=realloc\
- --wrap=mmap --wrap=munmap --wrap=alloca\
+ --wrap=mmap --wrap=mmap64 --wrap=munmap --wrap=alloca\
} %{fmudflapth: --wrap=pthread_create\
}} %{fmudflap|fmudflapth: --wrap=main}"
#endif
static const char *sysroot_spec = SYSROOT_SPEC;
static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC;
static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC;
+static const char *self_spec = "";
/* Standard options to cpp, cc1, and as, to reduce duplication in specs.
There should be no need to override these in target dependent files,
static const char *multilib_os_dir;
\f
/* Structure to keep track of the specs that have been defined so far.
- These are accessed using %(specname) or %[specname] in a compiler
- or link spec. */
+ These are accessed using %(specname) in a compiler or link
+ spec. */
struct spec_list
{
INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec),
INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec),
INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec),
+ INIT_STATIC_SPEC ("self_spec", &self_spec),
};
#ifdef EXTRA_SPECS /* additional specs needed */
/* Process a string found as the value of a spec given by name.
This feature allows individual machine descriptions
- to add and use their own specs.
- %[...] modifies -D options the way %P does;
- %(...) uses the spec unmodified. */
- case '[':
- warning (0, "use of obsolete %%[ operator in specs");
+ to add and use their own specs. */
case '(':
{
const char *name = p;
/* The string after the S/P is the name of a spec that is to be
processed. */
- while (*p && *p != ')' && *p != ']')
+ while (*p && *p != ')')
p++;
/* See if it's in the list. */
{
name = *(sl->ptr_spec);
#ifdef DEBUG_SPECS
- fnotice (stderr, "Processing spec %c%s%c, which is '%s'\n",
- c, sl->name, (c == '(') ? ')' : ']', name);
+ fnotice (stderr, "Processing spec (%s), which is '%s'\n",
+ sl->name, name);
#endif
break;
}
if (sl)
{
- if (c == '(')
- {
- value = do_spec_1 (name, 0, NULL);
- if (value != 0)
- return value;
- }
- else
- {
- char *x = (char *) alloca (strlen (name) * 2 + 1);
- char *buf = x;
- const char *y = name;
- int flag = 0;
-
- /* Copy all of NAME into BUF, but put __ after
- every -D and at the end of each arg. */
- while (1)
- {
- if (! strncmp (y, "-D", 2))
- {
- *x++ = '-';
- *x++ = 'D';
- *x++ = '_';
- *x++ = '_';
- y += 2;
- flag = 1;
- continue;
- }
- else if (flag
- && (*y == ' ' || *y == '\t' || *y == '='
- || *y == '}' || *y == 0))
- {
- *x++ = '_';
- *x++ = '_';
- flag = 0;
- }
- if (*y == 0)
- break;
- else
- *x++ = *y++;
- }
- *x = 0;
-
- value = do_spec_1 (buf, 0, NULL);
- if (value != 0)
- return value;
- }
+ value = do_spec_1 (name, 0, NULL);
+ if (value != 0)
+ return value;
}
- /* Discard the closing paren or bracket. */
+ /* Discard the closing paren. */
if (*p)
p++;
}
signal (SIGCHLD, SIG_DFL);
#endif
+ /* Parsing and gimplification sometimes need quite large stack.
+ Increase stack size limits if possible. */
+ stack_limit_increase (64 * 1024 * 1024);
+
/* Allocate the argument vector. */
alloc_args ();
for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++)
do_self_spec (driver_self_specs[i]);
- if (compare_debug)
- {
- enum save_temps save;
-
- if (!compare_debug_second)
- {
- n_switches_debug_check[1] = n_switches;
- n_switches_alloc_debug_check[1] = n_switches_alloc;
- switches_debug_check[1] = XDUPVEC (struct switchstr, switches,
- n_switches_alloc);
-
- do_self_spec ("%:compare-debug-self-opt()");
- n_switches_debug_check[0] = n_switches;
- n_switches_alloc_debug_check[0] = n_switches_alloc;
- switches_debug_check[0] = switches;
-
- n_switches = n_switches_debug_check[1];
- n_switches_alloc = n_switches_alloc_debug_check[1];
- switches = switches_debug_check[1];
- }
-
- /* Avoid crash when computing %j in this early. */
- save = save_temps_flag;
- save_temps_flag = SAVE_TEMPS_NONE;
-
- compare_debug = -compare_debug;
- do_self_spec ("%:compare-debug-self-opt()");
-
- save_temps_flag = save;
-
- if (!compare_debug_second)
- {
- n_switches_debug_check[1] = n_switches;
- n_switches_alloc_debug_check[1] = n_switches_alloc;
- switches_debug_check[1] = switches;
- compare_debug = -compare_debug;
- n_switches = n_switches_debug_check[0];
- n_switches_alloc = n_switches_debug_check[0];
- switches = switches_debug_check[0];
- }
- }
-
/* If not cross-compiling, look for executables in the standard
places. */
if (*cross_compile == '0')
read_specs (filename ? filename : uptr->filename, FALSE);
}
+ /* Process any user self specs. */
+ {
+ struct spec_list *sl;
+ for (sl = specs; sl; sl = sl->next)
+ if (sl->name_len == sizeof "self_spec" - 1
+ && !strcmp (sl->name, "self_spec"))
+ do_self_spec (*sl->ptr_spec);
+ }
+
+ if (compare_debug)
+ {
+ enum save_temps save;
+
+ if (!compare_debug_second)
+ {
+ n_switches_debug_check[1] = n_switches;
+ n_switches_alloc_debug_check[1] = n_switches_alloc;
+ switches_debug_check[1] = XDUPVEC (struct switchstr, switches,
+ n_switches_alloc);
+
+ do_self_spec ("%:compare-debug-self-opt()");
+ n_switches_debug_check[0] = n_switches;
+ n_switches_alloc_debug_check[0] = n_switches_alloc;
+ switches_debug_check[0] = switches;
+
+ n_switches = n_switches_debug_check[1];
+ n_switches_alloc = n_switches_alloc_debug_check[1];
+ switches = switches_debug_check[1];
+ }
+
+ /* Avoid crash when computing %j in this early. */
+ save = save_temps_flag;
+ save_temps_flag = SAVE_TEMPS_NONE;
+
+ compare_debug = -compare_debug;
+ do_self_spec ("%:compare-debug-self-opt()");
+
+ save_temps_flag = save;
+
+ if (!compare_debug_second)
+ {
+ n_switches_debug_check[1] = n_switches;
+ n_switches_alloc_debug_check[1] = n_switches_alloc;
+ switches_debug_check[1] = switches;
+ compare_debug = -compare_debug;
+ n_switches = n_switches_debug_check[0];
+ n_switches_alloc = n_switches_debug_check[0];
+ switches = switches_debug_check[0];
+ }
+ }
+
+
/* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */
if (gcc_exec_prefix)
gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str,