X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-pragma.c;h=79b3d132fd72aa6232b40e5b7dc45b8a85418160;hb=295e9e855b1e82196a401d1a81a12ab46f707017;hp=e71ab07a16f40aaea9ef3b31b98598a8e0930504;hpb=a0c938f0e74166de102281ac2f445e4be5ff257e;p=pf3gnuchains%2Fgcc-fork.git
diff --git a/gcc/c-pragma.c b/gcc/c-pragma.c
index e71ab07a16f..79b3d132fd7 100644
--- a/gcc/c-pragma.c
+++ b/gcc/c-pragma.c
@@ -1,12 +1,12 @@
/* Handle #pragma, system V.4 style. Supports #pragma weak and #pragma pack.
Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006 Free Software Foundation, Inc.
+ 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,9 +15,8 @@ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+. */
#include "config.h"
#include "system.h"
@@ -38,14 +37,14 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
#include "target.h"
#include "diagnostic.h"
#include "opts.h"
+#include "plugin.h"
#define GCC_BAD(gmsgid) \
do { warning (OPT_Wpragmas, gmsgid); return; } while (0)
#define GCC_BAD2(gmsgid, arg) \
do { warning (OPT_Wpragmas, gmsgid, arg); return; } while (0)
-typedef struct align_stack GTY(())
-{
+typedef struct GTY(()) align_stack {
int alignment;
tree id;
struct align_stack * prev;
@@ -114,8 +113,8 @@ pop_alignment (tree id)
}
if (entry == NULL)
warning (OPT_Wpragmas, "\
-#pragma pack(pop, %s) encountered without matching #pragma pack(push, %s)"
- , IDENTIFIER_POINTER (id), IDENTIFIER_POINTER (id));
+#pragma pack(pop, %E) encountered without matching #pragma pack(push, %E)"
+ , id, id);
}
entry = alignment_stack->prev;
@@ -160,6 +159,8 @@ handle_pragma_pack (cpp_reader * ARG_UNUSED (dummy))
}
else if (token == CPP_NUMBER)
{
+ if (TREE_CODE (x) != INTEGER_CST)
+ GCC_BAD ("invalid constant in %<#pragma pack%> - ignored");
align = TREE_INT_CST_LOW (x);
action = set;
if (pragma_lex (&x) != CPP_CLOSE_PAREN)
@@ -179,7 +180,7 @@ handle_pragma_pack (cpp_reader * ARG_UNUSED (dummy))
else if (!strcmp (op, "pop"))
action = pop;
else
- GCC_BAD2 ("unknown action %qs for %<#pragma pack%> - ignored", op);
+ GCC_BAD2 ("unknown action %qE for %<#pragma pack%> - ignored", x);
while ((token = pragma_lex (&x)) == CPP_COMMA)
{
@@ -190,6 +191,8 @@ handle_pragma_pack (cpp_reader * ARG_UNUSED (dummy))
}
else if (token == CPP_NUMBER && action == push && align == -1)
{
+ if (TREE_CODE (x) != INTEGER_CST)
+ GCC_BAD ("invalid constant in %<#pragma pack%> - ignored");
align = TREE_INT_CST_LOW (x);
if (align == -1)
action = set;
@@ -315,7 +318,8 @@ maybe_apply_pending_pragma_weaks (void)
if (TREE_VALUE (t) == NULL)
continue;
- decl = build_decl (FUNCTION_DECL, alias_id, default_function_type);
+ decl = build_decl (UNKNOWN_LOCATION,
+ FUNCTION_DECL, alias_id, default_function_type);
DECL_ARTIFICIAL (decl) = 1;
TREE_PUBLIC (decl) = 1;
@@ -420,14 +424,6 @@ handle_pragma_redefine_extname (cpp_reader * ARG_UNUSED (dummy))
if (t != CPP_EOF)
warning (OPT_Wpragmas, "junk at end of %<#pragma redefine_extname%>");
- if (!flag_mudflap && !targetm.handle_pragma_redefine_extname)
- {
- if (warn_unknown_pragmas > in_system_header)
- warning (OPT_Wunknown_pragmas,
- "#pragma redefine_extname not supported on this target");
- return;
- }
-
decl = identifier_global_value (oldname);
if (decl
&& (TREE_PUBLIC (decl) || DECL_EXTERNAL (decl))
@@ -590,19 +586,20 @@ maybe_apply_renaming_pragma (tree decl, tree asmname)
#ifdef HANDLE_PRAGMA_VISIBILITY
static void handle_pragma_visibility (cpp_reader *);
-typedef enum symbol_visibility visibility;
-DEF_VEC_I (visibility);
-DEF_VEC_ALLOC_I (visibility, heap);
-static VEC (visibility, heap) *visstack;
+static VEC (int, heap) *visstack;
/* Push the visibility indicated by STR onto the top of the #pragma
- visibility stack. */
+ visibility stack. KIND is 0 for #pragma GCC visibility, 1 for
+ C++ namespace with visibility attribute and 2 for C++ builtin
+ ABI namespace. push_visibility/pop_visibility calls must have
+ matching KIND, it is not allowed to push visibility using one
+ KIND and pop using a different one. */
void
-push_visibility (const char *str)
+push_visibility (const char *str, int kind)
{
- VEC_safe_push (visibility, heap, visstack,
- default_visibility);
+ VEC_safe_push (int, heap, visstack,
+ ((int) default_visibility) | (kind << 8));
if (!strcmp (str, "default"))
default_visibility = VISIBILITY_DEFAULT;
else if (!strcmp (str, "internal"))
@@ -616,14 +613,21 @@ push_visibility (const char *str)
visibility_options.inpragma = 1;
}
-/* Pop a level of the #pragma visibility stack. */
+/* Pop a level of the #pragma visibility stack. Return true if
+ successful. */
-void
-pop_visibility (void)
+bool
+pop_visibility (int kind)
{
- default_visibility = VEC_pop (visibility, visstack);
+ if (!VEC_length (int, visstack))
+ return false;
+ if ((VEC_last (int, visstack) >> 8) != kind)
+ return false;
+ default_visibility
+ = (enum symbol_visibility) (VEC_pop (int, visstack) & 0xff);
visibility_options.inpragma
- = VEC_length (visibility, visstack) != 0;
+ = VEC_length (int, visstack) != 0;
+ return true;
}
/* Sets the default visibility for symbols to something other than that
@@ -652,10 +656,8 @@ handle_pragma_visibility (cpp_reader *dummy ATTRIBUTE_UNUSED)
{
if (pop == action)
{
- if (!VEC_length (visibility, visstack))
+ if (! pop_visibility (0))
GCC_BAD ("no matching push for %<#pragma GCC visibility pop%>");
- else
- pop_visibility ();
}
else
{
@@ -665,7 +667,7 @@ handle_pragma_visibility (cpp_reader *dummy ATTRIBUTE_UNUSED)
if (token != CPP_NAME)
GCC_BAD ("malformed #pragma GCC visibility push");
else
- push_visibility (IDENTIFIER_POINTER (x));
+ push_visibility (IDENTIFIER_POINTER (x), 0);
if (pragma_lex (&x) != CPP_CLOSE_PAREN)
GCC_BAD ("missing %<(%> after %<#pragma GCC visibility push%> - ignored");
}
@@ -723,6 +725,415 @@ handle_pragma_diagnostic(cpp_reader *ARG_UNUSED(dummy))
GCC_BAD ("unknown option after %<#pragma GCC diagnostic%> kind");
}
+/* Parse #pragma GCC target (xxx) to set target specific options. */
+static void
+handle_pragma_target(cpp_reader *ARG_UNUSED(dummy))
+{
+ enum cpp_ttype token;
+ tree x;
+ bool close_paren_needed_p = false;
+
+ if (cfun)
+ {
+ error ("#pragma GCC option is not allowed inside functions");
+ return;
+ }
+
+ token = pragma_lex (&x);
+ if (token == CPP_OPEN_PAREN)
+ {
+ close_paren_needed_p = true;
+ token = pragma_lex (&x);
+ }
+
+ if (token != CPP_STRING)
+ {
+ GCC_BAD ("%<#pragma GCC option%> is not a string");
+ return;
+ }
+
+ /* Strings are user options. */
+ else
+ {
+ tree args = NULL_TREE;
+
+ do
+ {
+ /* Build up the strings now as a tree linked list. Skip empty
+ strings. */
+ if (TREE_STRING_LENGTH (x) > 0)
+ args = tree_cons (NULL_TREE, x, args);
+
+ token = pragma_lex (&x);
+ while (token == CPP_COMMA)
+ token = pragma_lex (&x);
+ }
+ while (token == CPP_STRING);
+
+ if (close_paren_needed_p)
+ {
+ if (token == CPP_CLOSE_PAREN)
+ token = pragma_lex (&x);
+ else
+ GCC_BAD ("%<#pragma GCC target (string [,string]...)%> does "
+ "not have a final %<)%>.");
+ }
+
+ if (token != CPP_EOF)
+ {
+ error ("#pragma GCC target string... is badly formed");
+ return;
+ }
+
+ /* put arguments in the order the user typed them. */
+ args = nreverse (args);
+
+ if (targetm.target_option.pragma_parse (args, NULL_TREE))
+ current_target_pragma = args;
+ }
+}
+
+/* Handle #pragma GCC optimize to set optimization options. */
+static void
+handle_pragma_optimize (cpp_reader *ARG_UNUSED(dummy))
+{
+ enum cpp_ttype token;
+ tree x;
+ bool close_paren_needed_p = false;
+ tree optimization_previous_node = optimization_current_node;
+
+ if (cfun)
+ {
+ error ("#pragma GCC optimize is not allowed inside functions");
+ return;
+ }
+
+ token = pragma_lex (&x);
+ if (token == CPP_OPEN_PAREN)
+ {
+ close_paren_needed_p = true;
+ token = pragma_lex (&x);
+ }
+
+ if (token != CPP_STRING && token != CPP_NUMBER)
+ {
+ GCC_BAD ("%<#pragma GCC optimize%> is not a string or number");
+ return;
+ }
+
+ /* Strings/numbers are user options. */
+ else
+ {
+ tree args = NULL_TREE;
+
+ do
+ {
+ /* Build up the numbers/strings now as a list. */
+ if (token != CPP_STRING || TREE_STRING_LENGTH (x) > 0)
+ args = tree_cons (NULL_TREE, x, args);
+
+ token = pragma_lex (&x);
+ while (token == CPP_COMMA)
+ token = pragma_lex (&x);
+ }
+ while (token == CPP_STRING || token == CPP_NUMBER);
+
+ if (close_paren_needed_p)
+ {
+ if (token == CPP_CLOSE_PAREN)
+ token = pragma_lex (&x);
+ else
+ GCC_BAD ("%<#pragma GCC optimize (string [,string]...)%> does "
+ "not have a final %<)%>.");
+ }
+
+ if (token != CPP_EOF)
+ {
+ error ("#pragma GCC optimize string... is badly formed");
+ return;
+ }
+
+ /* put arguments in the order the user typed them. */
+ args = nreverse (args);
+
+ parse_optimize_options (args, false);
+ current_optimize_pragma = chainon (current_optimize_pragma, args);
+ optimization_current_node = build_optimization_node ();
+ c_cpp_builtins_optimize_pragma (parse_in,
+ optimization_previous_node,
+ optimization_current_node);
+ }
+}
+
+/* Stack of the #pragma GCC options created with #pragma GCC push_option. Save
+ both the binary representation of the options and the TREE_LIST of
+ strings that will be added to the function's attribute list. */
+typedef struct GTY(()) opt_stack {
+ struct opt_stack *prev;
+ tree target_binary;
+ tree target_strings;
+ tree optimize_binary;
+ tree optimize_strings;
+} opt_stack;
+
+static GTY(()) struct opt_stack * options_stack;
+
+/* Handle #pragma GCC push_options to save the current target and optimization
+ options. */
+
+static void
+handle_pragma_push_options (cpp_reader *ARG_UNUSED(dummy))
+{
+ enum cpp_ttype token;
+ tree x = 0;
+ opt_stack *p;
+
+ token = pragma_lex (&x);
+ if (token != CPP_EOF)
+ {
+ warning (OPT_Wpragmas, "junk at end of %<#pragma push_options%>");
+ return;
+ }
+
+ p = GGC_NEW (opt_stack);
+ p->prev = options_stack;
+ options_stack = p;
+
+ /* Save optimization and target flags in binary format. */
+ p->optimize_binary = build_optimization_node ();
+ p->target_binary = build_target_option_node ();
+
+ /* Save optimization and target flags in string list format. */
+ p->optimize_strings = copy_list (current_optimize_pragma);
+ p->target_strings = copy_list (current_target_pragma);
+}
+
+/* Handle #pragma GCC pop_options to restore the current target and
+ optimization options from a previous push_options. */
+
+static void
+handle_pragma_pop_options (cpp_reader *ARG_UNUSED(dummy))
+{
+ enum cpp_ttype token;
+ tree x = 0;
+ opt_stack *p;
+
+ token = pragma_lex (&x);
+ if (token != CPP_EOF)
+ {
+ warning (OPT_Wpragmas, "junk at end of %<#pragma pop_options%>");
+ return;
+ }
+
+ if (! options_stack)
+ {
+ warning (OPT_Wpragmas,
+ "%<#pragma GCC pop_options%> without a corresponding "
+ "%<#pragma GCC push_options%>");
+ return;
+ }
+
+ p = options_stack;
+ options_stack = p->prev;
+
+ if (p->target_binary != target_option_current_node)
+ {
+ (void) targetm.target_option.pragma_parse (NULL_TREE, p->target_binary);
+ target_option_current_node = p->target_binary;
+ }
+
+ if (p->optimize_binary != optimization_current_node)
+ {
+ tree old_optimize = optimization_current_node;
+ cl_optimization_restore (TREE_OPTIMIZATION (p->optimize_binary));
+ c_cpp_builtins_optimize_pragma (parse_in, old_optimize,
+ p->optimize_binary);
+ optimization_current_node = p->optimize_binary;
+ }
+
+ current_target_pragma = p->target_strings;
+ current_optimize_pragma = p->optimize_strings;
+}
+
+/* Handle #pragma GCC reset_options to restore the current target and
+ optimization options to the original options used on the command line. */
+
+static void
+handle_pragma_reset_options (cpp_reader *ARG_UNUSED(dummy))
+{
+ enum cpp_ttype token;
+ tree x = 0;
+ tree new_optimize = optimization_default_node;
+ tree new_target = target_option_default_node;
+
+ token = pragma_lex (&x);
+ if (token != CPP_EOF)
+ {
+ warning (OPT_Wpragmas, "junk at end of %<#pragma reset_options%>");
+ return;
+ }
+
+ if (new_target != target_option_current_node)
+ {
+ (void) targetm.target_option.pragma_parse (NULL_TREE, new_target);
+ target_option_current_node = new_target;
+ }
+
+ if (new_optimize != optimization_current_node)
+ {
+ tree old_optimize = optimization_current_node;
+ cl_optimization_restore (TREE_OPTIMIZATION (new_optimize));
+ c_cpp_builtins_optimize_pragma (parse_in, old_optimize, new_optimize);
+ optimization_current_node = new_optimize;
+ }
+
+ current_target_pragma = NULL_TREE;
+ current_optimize_pragma = NULL_TREE;
+}
+
+/* Print a plain user-specified message. */
+
+static void
+handle_pragma_message (cpp_reader *ARG_UNUSED(dummy))
+{
+ enum cpp_ttype token;
+ tree x, message = 0;
+
+ token = pragma_lex (&x);
+ if (token == CPP_OPEN_PAREN)
+ {
+ token = pragma_lex (&x);
+ if (token == CPP_STRING)
+ message = x;
+ else
+ GCC_BAD ("expected a string after %<#pragma message%>");
+ if (pragma_lex (&x) != CPP_CLOSE_PAREN)
+ GCC_BAD ("malformed %<#pragma message%>, ignored");
+ }
+ else if (token == CPP_STRING)
+ message = x;
+ else
+ GCC_BAD ("expected a string after %<#pragma message%>");
+
+ gcc_assert (message);
+
+ if (pragma_lex (&x) != CPP_EOF)
+ warning (OPT_Wpragmas, "junk at end of %<#pragma message%>");
+
+ if (TREE_STRING_LENGTH (message) > 1)
+ inform (input_location, "#pragma message: %s", TREE_STRING_POINTER (message));
+}
+
+/* Mark whether the current location is valid for a STDC pragma. */
+
+static bool valid_location_for_stdc_pragma;
+
+void
+mark_valid_location_for_stdc_pragma (bool flag)
+{
+ valid_location_for_stdc_pragma = flag;
+}
+
+/* Return true if the current location is valid for a STDC pragma. */
+
+bool
+valid_location_for_stdc_pragma_p (void)
+{
+ return valid_location_for_stdc_pragma;
+}
+
+enum pragma_switch_t { PRAGMA_ON, PRAGMA_OFF, PRAGMA_DEFAULT, PRAGMA_BAD };
+
+/* A STDC pragma must appear outside of external declarations or
+ preceding all explicit declarations and statements inside a compound
+ statement; its behavior is undefined if used in any other context.
+ It takes a switch of ON, OFF, or DEFAULT. */
+
+static enum pragma_switch_t
+handle_stdc_pragma (const char *pname)
+{
+ const char *arg;
+ tree t;
+ enum pragma_switch_t ret;
+
+ if (!valid_location_for_stdc_pragma_p ())
+ {
+ warning (OPT_Wpragmas, "invalid location for %, ignored",
+ pname);
+ return PRAGMA_BAD;
+ }
+
+ if (pragma_lex (&t) != CPP_NAME)
+ {
+ warning (OPT_Wpragmas, "malformed %<#pragma %s%>, ignored", pname);
+ return PRAGMA_BAD;
+ }
+
+ arg = IDENTIFIER_POINTER (t);
+
+ if (!strcmp (arg, "ON"))
+ ret = PRAGMA_ON;
+ else if (!strcmp (arg, "OFF"))
+ ret = PRAGMA_OFF;
+ else if (!strcmp (arg, "DEFAULT"))
+ ret = PRAGMA_DEFAULT;
+ else
+ {
+ warning (OPT_Wpragmas, "malformed %<#pragma %s%>, ignored", pname);
+ return PRAGMA_BAD;
+ }
+
+ if (pragma_lex (&t) != CPP_EOF)
+ {
+ warning (OPT_Wpragmas, "junk at end of %<#pragma %s%>", pname);
+ return PRAGMA_BAD;
+ }
+
+ return ret;
+}
+
+/* #pragma STDC FLOAT_CONST_DECIMAL64 ON
+ #pragma STDC FLOAT_CONST_DECIMAL64 OFF
+ #pragma STDC FLOAT_CONST_DECIMAL64 DEFAULT */
+
+static void
+handle_pragma_float_const_decimal64 (cpp_reader *ARG_UNUSED (dummy))
+{
+ if (c_dialect_cxx ())
+ {
+ if (warn_unknown_pragmas > in_system_header)
+ warning (OPT_Wunknown_pragmas,
+ "%<#pragma STDC FLOAT_CONST_DECIMAL64%> is not supported"
+ " for C++");
+ return;
+ }
+
+ if (!targetm.decimal_float_supported_p ())
+ {
+ if (warn_unknown_pragmas > in_system_header)
+ warning (OPT_Wunknown_pragmas,
+ "%<#pragma STDC FLOAT_CONST_DECIMAL64%> is not supported"
+ " on this target");
+ return;
+ }
+
+ pedwarn (input_location, OPT_pedantic,
+ "ISO C does not support %<#pragma STDC FLOAT_CONST_DECIMAL64%>");
+
+ switch (handle_stdc_pragma ("STDC FLOAT_CONST_DECIMAL64"))
+ {
+ case PRAGMA_ON:
+ set_float_const_decimal64 ();
+ break;
+ case PRAGMA_OFF:
+ case PRAGMA_DEFAULT:
+ clear_float_const_decimal64 ();
+ break;
+ case PRAGMA_BAD:
+ break;
+ }
+}
+
/* A vector of registered pragma callbacks. */
DEF_VEC_O (pragma_handler);
@@ -730,6 +1141,63 @@ DEF_VEC_ALLOC_O (pragma_handler, heap);
static VEC(pragma_handler, heap) *registered_pragmas;
+typedef struct
+{
+ const char *space;
+ const char *name;
+} pragma_ns_name;
+
+DEF_VEC_O (pragma_ns_name);
+DEF_VEC_ALLOC_O (pragma_ns_name, heap);
+
+static VEC(pragma_ns_name, heap) *registered_pp_pragmas;
+
+struct omp_pragma_def { const char *name; unsigned int id; };
+static const struct omp_pragma_def omp_pragmas[] = {
+ { "atomic", PRAGMA_OMP_ATOMIC },
+ { "barrier", PRAGMA_OMP_BARRIER },
+ { "critical", PRAGMA_OMP_CRITICAL },
+ { "flush", PRAGMA_OMP_FLUSH },
+ { "for", PRAGMA_OMP_FOR },
+ { "master", PRAGMA_OMP_MASTER },
+ { "ordered", PRAGMA_OMP_ORDERED },
+ { "parallel", PRAGMA_OMP_PARALLEL },
+ { "section", PRAGMA_OMP_SECTION },
+ { "sections", PRAGMA_OMP_SECTIONS },
+ { "single", PRAGMA_OMP_SINGLE },
+ { "task", PRAGMA_OMP_TASK },
+ { "taskwait", PRAGMA_OMP_TASKWAIT },
+ { "threadprivate", PRAGMA_OMP_THREADPRIVATE }
+};
+
+void
+c_pp_lookup_pragma (unsigned int id, const char **space, const char **name)
+{
+ const int n_omp_pragmas = sizeof (omp_pragmas) / sizeof (*omp_pragmas);
+ int i;
+
+ for (i = 0; i < n_omp_pragmas; ++i)
+ if (omp_pragmas[i].id == id)
+ {
+ *space = "omp";
+ *name = omp_pragmas[i].name;
+ return;
+ }
+
+ if (id >= PRAGMA_FIRST_EXTERNAL
+ && (id < PRAGMA_FIRST_EXTERNAL
+ + VEC_length (pragma_ns_name, registered_pp_pragmas)))
+ {
+ *space = VEC_index (pragma_ns_name, registered_pp_pragmas,
+ id - PRAGMA_FIRST_EXTERNAL)->space;
+ *name = VEC_index (pragma_ns_name, registered_pp_pragmas,
+ id - PRAGMA_FIRST_EXTERNAL)->name;
+ return;
+ }
+
+ gcc_unreachable ();
+}
+
/* Front-end wrappers for pragma registration to avoid dragging
cpplib.h in almost everywhere. */
@@ -739,13 +1207,29 @@ c_register_pragma_1 (const char *space, const char *name,
{
unsigned id;
- VEC_safe_push (pragma_handler, heap, registered_pragmas, &handler);
- id = VEC_length (pragma_handler, registered_pragmas);
- id += PRAGMA_FIRST_EXTERNAL - 1;
+ if (flag_preprocess_only)
+ {
+ pragma_ns_name ns_name;
+
+ if (!allow_expansion)
+ return;
+
+ ns_name.space = space;
+ ns_name.name = name;
+ VEC_safe_push (pragma_ns_name, heap, registered_pp_pragmas, &ns_name);
+ id = VEC_length (pragma_ns_name, registered_pp_pragmas);
+ id += PRAGMA_FIRST_EXTERNAL - 1;
+ }
+ else
+ {
+ VEC_safe_push (pragma_handler, heap, registered_pragmas, &handler);
+ id = VEC_length (pragma_handler, registered_pragmas);
+ id += PRAGMA_FIRST_EXTERNAL - 1;
- /* The C++ front end allocates 6 bits in cp_token; the C front end
- allocates 7 bits in c_token. At present this is sufficient. */
- gcc_assert (id < 64);
+ /* The C++ front end allocates 6 bits in cp_token; the C front end
+ allocates 7 bits in c_token. At present this is sufficient. */
+ gcc_assert (id < 64);
+ }
cpp_register_deferred_pragma (parse_in, space, name, id,
allow_expansion, false);
@@ -779,24 +1263,8 @@ c_invoke_pragma_handler (unsigned int id)
void
init_pragma (void)
{
- if (flag_openmp && !flag_preprocess_only)
- {
- struct omp_pragma_def { const char *name; unsigned int id; };
- static const struct omp_pragma_def omp_pragmas[] = {
- { "atomic", PRAGMA_OMP_ATOMIC },
- { "barrier", PRAGMA_OMP_BARRIER },
- { "critical", PRAGMA_OMP_CRITICAL },
- { "flush", PRAGMA_OMP_FLUSH },
- { "for", PRAGMA_OMP_FOR },
- { "master", PRAGMA_OMP_MASTER },
- { "ordered", PRAGMA_OMP_ORDERED },
- { "parallel", PRAGMA_OMP_PARALLEL },
- { "section", PRAGMA_OMP_SECTION },
- { "sections", PRAGMA_OMP_SECTIONS },
- { "single", PRAGMA_OMP_SINGLE },
- { "threadprivate", PRAGMA_OMP_THREADPRIVATE }
- };
-
+ if (flag_openmp)
+ {
const int n_omp_pragmas = sizeof (omp_pragmas) / sizeof (*omp_pragmas);
int i;
@@ -805,8 +1273,9 @@ init_pragma (void)
omp_pragmas[i].id, true, true);
}
- cpp_register_deferred_pragma (parse_in, "GCC", "pch_preprocess",
- PRAGMA_GCC_PCH_PREPROCESS, false, false);
+ if (!flag_preprocess_only)
+ cpp_register_deferred_pragma (parse_in, "GCC", "pch_preprocess",
+ PRAGMA_GCC_PCH_PREPROCESS, false, false);
#ifdef HANDLE_PRAGMA_PACK
#ifdef HANDLE_PRAGMA_PACK_WITH_EXPANSION
@@ -823,13 +1292,26 @@ init_pragma (void)
#endif
c_register_pragma ("GCC", "diagnostic", handle_pragma_diagnostic);
+ c_register_pragma ("GCC", "target", handle_pragma_target);
+ c_register_pragma ("GCC", "optimize", handle_pragma_optimize);
+ c_register_pragma ("GCC", "push_options", handle_pragma_push_options);
+ c_register_pragma ("GCC", "pop_options", handle_pragma_pop_options);
+ c_register_pragma ("GCC", "reset_options", handle_pragma_reset_options);
+
+ c_register_pragma ("STDC", "FLOAT_CONST_DECIMAL64",
+ handle_pragma_float_const_decimal64);
c_register_pragma_with_expansion (0, "redefine_extname", handle_pragma_redefine_extname);
c_register_pragma (0, "extern_prefix", handle_pragma_extern_prefix);
+ c_register_pragma_with_expansion (0, "message", handle_pragma_message);
+
#ifdef REGISTER_TARGET_PRAGMAS
REGISTER_TARGET_PRAGMAS ();
#endif
+
+ /* Allow plugins to register their own pragmas. */
+ invoke_plugin_callbacks (PLUGIN_PRAGMAS, NULL);
}
#include "gt-c-pragma.h"