Use -fbuilding-libgcc for more target macros used in libgcc.

gcc/c-family:
	* c-cppbuiltin.c (c_cpp_builtins): Also define
	__LIBGCC_EH_TABLES_CAN_BE_READ_ONLY__,
	__LIBGCC_EH_FRAME_SECTION_NAME__, __LIBGCC_JCR_SECTION_NAME__,
	__LIBGCC_CTORS_SECTION_ASM_OP__, __LIBGCC_DTORS_SECTION_ASM_OP__,
	__LIBGCC_TEXT_SECTION_ASM_OP__, __LIBGCC_INIT_SECTION_ASM_OP__,
	__LIBGCC_INIT_ARRAY_SECTION_ASM_OP__,
	__LIBGCC_STACK_GROWS_DOWNWARD__,
	__LIBGCC_DONT_USE_BUILTIN_SETJMP__,
	__LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__,
	__LIBGCC_DWARF_FRAME_REGISTERS__,
	__LIBGCC_EH_RETURN_STACKADJ_RTX__, __LIBGCC_JMP_BUF_SIZE__,
	__LIBGCC_STACK_POINTER_REGNUM__ and
	__LIBGCC_VTABLE_USES_DESCRIPTORS__ for -fbuilding-libgcc.
	(builtin_define_with_value): Handle backslash-escaping in string
	macro values.

libgcc:
	* Makefile.in (CRTSTUFF_CFLAGS): Add -fbuilding-libgcc.
	* config/aarch64/linux-unwind.h (STACK_POINTER_REGNUM): Change all
	uses to __LIBGCC_STACK_POINTER_REGNUM__.
	(DWARF_ALT_FRAME_RETURN_COLUMN): Change all uses to
	__LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__.
	* config/alpha/vms-unwind.h (DWARF_ALT_FRAME_RETURN_COLUMN):
	Change use to __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__.
	* config/cr16/unwind-cr16.c (STACK_GROWS_DOWNWARD): Change all
	uses to __LIBGCC_STACK_GROWS_DOWNWARD__.
	(DWARF_FRAME_REGISTERS): Change all uses to
	__LIBGCC_DWARF_FRAME_REGISTERS__.
	(EH_RETURN_STACKADJ_RTX): Change all uses to
	__LIBGCC_EH_RETURN_STACKADJ_RTX__.
	* config/cr16/unwind-dw2.h (DWARF_FRAME_REGISTERS): Change use to
	__LIBGCC_DWARF_FRAME_REGISTERS__.  Remove conditional definition.
	* config/i386/cygming-crtbegin.c (EH_FRAME_SECTION_NAME): Change
	use to __LIBGCC_EH_FRAME_SECTION_NAME__.
	(JCR_SECTION_NAME): Change use to __LIBGCC_JCR_SECTION_NAME__.
	* config/i386/cygming-crtend.c (EH_FRAME_SECTION_NAME): Change use
	to __LIBGCC_EH_FRAME_SECTION_NAME__.
	(JCR_SECTION_NAME): Change use to __LIBGCC_JCR_SECTION_NAME__
	* config/mips/linux-unwind.h (STACK_POINTER_REGNUM): Change use to
	__LIBGCC_STACK_POINTER_REGNUM__.
	(DWARF_ALT_FRAME_RETURN_COLUMN): Change all uses to
	__LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__.
	* config/nios2/linux-unwind.h (STACK_POINTER_REGNUM): Change use
	to __LIBGCC_STACK_POINTER_REGNUM__.
	* config/pa/hpux-unwind.h (DWARF_ALT_FRAME_RETURN_COLUMN): Change
	all uses to __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__.
	* config/pa/linux-unwind.h (DWARF_ALT_FRAME_RETURN_COLUMN): Change
	all uses to __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__.
	* config/rs6000/aix-unwind.h (DWARF_ALT_FRAME_RETURN_COLUMN):
	Change all uses to __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__.
	(STACK_POINTER_REGNUM): Change all uses to
	__LIBGCC_STACK_POINTER_REGNUM__.
	* config/rs6000/darwin-fallback.c (STACK_POINTER_REGNUM): Change
	use to __LIBGCC_STACK_POINTER_REGNUM__.
	* config/rs6000/linux-unwind.h (STACK_POINTER_REGNUM): Change all
	uses to __LIBGCC_STACK_POINTER_REGNUM__.
	* config/sparc/linux-unwind.h (DWARF_FRAME_REGISTERS): Change use
	to __LIBGCC_DWARF_FRAME_REGISTERS__.
	* config/sparc/sol2-unwind.h (DWARF_FRAME_REGISTERS): Change use
	to __LIBGCC_DWARF_FRAME_REGISTERS__.
	* config/tilepro/linux-unwind.h (STACK_POINTER_REGNUM): Change use
	to __LIBGCC_STACK_POINTER_REGNUM__.
	* config/xtensa/unwind-dw2-xtensa.h (DWARF_FRAME_REGISTERS):
	Remove conditional definition.
	* crtstuff.c (TEXT_SECTION_ASM_OP): Change all uses to
	__LIBGCC_TEXT_SECTION_ASM_OP__.
	(EH_FRAME_SECTION_NAME): Change all uses to
	__LIBGCC_EH_FRAME_SECTION_NAME__.
	(EH_TABLES_CAN_BE_READ_ONLY): Change all uses to
	__LIBGCC_EH_TABLES_CAN_BE_READ_ONLY__.
	(CTORS_SECTION_ASM_OP): Change all uses to
	__LIBGCC_CTORS_SECTION_ASM_OP__.
	(DTORS_SECTION_ASM_OP): Change all uses to
	__LIBGCC_DTORS_SECTION_ASM_OP__.
	(JCR_SECTION_NAME): Change all uses to
	__LIBGCC_JCR_SECTION_NAME__.
	(INIT_SECTION_ASM_OP): Change all uses to
	__LIBGCC_INIT_SECTION_ASM_OP__.
	(INIT_ARRAY_SECTION_ASM_OP): Change all uses to
	__LIBGCC_INIT_ARRAY_SECTION_ASM_OP__.
	* generic-morestack.c (STACK_GROWS_DOWNWARD): Change all uses to
	__LIBGCC_STACK_GROWS_DOWNWARD__.
	* libgcc2.c (INIT_SECTION_ASM_OP): Change all uses to
	__LIBGCC_INIT_SECTION_ASM_OP__.
	(INIT_ARRAY_SECTION_ASM_OP): Change all uses to
	__LIBGCC_INIT_ARRAY_SECTION_ASM_OP__.
	(EH_FRAME_SECTION_NAME): Change all uses to
	__LIBGCC_EH_FRAME_SECTION_NAME__.
	* libgcov-profiler.c (VTABLE_USES_DESCRIPTORS): Remove conditional
	definitions.  Change all uses to
	__LIBGCC_VTABLE_USES_DESCRIPTORS__.
	* unwind-dw2.c (STACK_GROWS_DOWNWARD): Change all uses to
	__LIBGCC_STACK_GROWS_DOWNWARD__.
	(DWARF_FRAME_REGISTERS): Change all uses to
	__LIBGCC_DWARF_FRAME_REGISTERS__.
	(EH_RETURN_STACKADJ_RTX): Change all uses to
	__LIBGCC_EH_RETURN_STACKADJ_RTX__.
	* unwind-dw2.h (DWARF_FRAME_REGISTERS): Remove conditional
	definition.  Change use to __LIBGCC_DWARF_FRAME_REGISTERS__.
	* unwind-sjlj.c (DONT_USE_BUILTIN_SETJMP): Change all uses to
	__LIBGCC_DONT_USE_BUILTIN_SETJMP__.
	(JMP_BUF_SIZE): Change use to __LIBGCC_JMP_BUF_SIZE__.

From-SVN: r214954

1 files changed, 12 insertions, 12 deletions

diff --git a/libgcc/generic-morestack.c b/libgcc/generic-morestack.c
index f2d6d835fc4..da878640d04 100644
--- a/libgcc/generic-morestack.c
+++ b/libgcc/generic-morestack.c
@@ -378,7 +378,7 @@ allocate_segment (size_t frame_size)
     {
       void *guard;
 
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
       guard = space;
       space = (char *) space + pagesize;
 #else
@@ -496,7 +496,7 @@ __generic_morestack_set_initial_sp (void *sp, size_t len)
      to the nearest 512 byte boundary.  It's not essential that we be
      precise here; getting it wrong will just leave some stack space
      unused.  */
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
   sp = (void *) ((((__UINTPTR_TYPE__) sp + 511U) / 512U) * 512U);
 #else
   sp = (void *) ((((__UINTPTR_TYPE__) sp - 511U) / 512U) * 512U);
@@ -584,7 +584,7 @@ __generic_morestack (size_t *pframe_size, void *old_stack, size_t param_size)
   /* Align the returned stack to a 32-byte boundary.  */
   aligned = (param_size + 31) & ~ (size_t) 31;
 
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
   {
     char *bottom = (char *) (current + 1) + current->size;
     to = bottom - aligned;
@@ -628,7 +628,7 @@ __generic_releasestack (size_t *pavailable)
 
   if (current != NULL)
     {
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
       *pavailable = (char *) old_stack - (char *) (current + 1);
 #else
       *pavailable = (char *) (current + 1) + current->size - (char *) old_stack;
@@ -639,7 +639,7 @@ __generic_releasestack (size_t *pavailable)
       size_t used;
 
       /* We have popped back to the original stack.  */
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
       if ((char *) old_stack >= (char *) __morestack_initial_sp.sp)
 	used = 0;
       else
@@ -778,7 +778,7 @@ __generic_findstack (void *stack)
 	  && (char *) pss + pss->size > (char *) stack)
 	{
 	  __morestack_current_segment = pss;
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
 	  return (char *) stack - (char *) (pss + 1);
 #else
 	  return (char *) (pss + 1) + pss->size - (char *) stack;
@@ -791,7 +791,7 @@ __generic_findstack (void *stack)
   if (__morestack_initial_sp.sp == NULL)
     return 0;
 
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
   if ((char *) stack >= (char *) __morestack_initial_sp.sp)
     used = 0;
   else
@@ -869,7 +869,7 @@ __splitstack_find (void *segment_arg, void *sp, size_t *len,
 
       *next_segment = (void *) (uintptr_type) 2;
       *next_sp = NULL;
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
       if ((char *) sp >= isp)
 	return NULL;
       *len = (char *) isp - (char *) sp;
@@ -942,7 +942,7 @@ __splitstack_find (void *segment_arg, void *sp, size_t *len,
       *next_sp = (void *) nsp;
     }
 
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
   *len = (char *) (segment + 1) + segment->size - (char *) sp;
   ret = (void *) sp;
 #else
@@ -1046,7 +1046,7 @@ __splitstack_makecontext (size_t stack_size, void *context[NUMBER_OFFSETS],
   segment = allocate_segment (stack_size);
   context[MORESTACK_SEGMENTS] = segment;
   context[CURRENT_SEGMENT] = segment;
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
   initial_sp = (void *) ((char *) (segment + 1) + segment->size);
 #else
   initial_sp = (void *) (segment + 1);
@@ -1082,13 +1082,13 @@ __splitstack_resetcontext (void *context[10], size_t *size)
       initial_sp = context[INITIAL_SP];
       initial_size = (uintptr_type) context[INITIAL_SP_LEN];
       ret = initial_sp;
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
       ret = (void *) ((char *) ret - initial_size);
 #endif
     }
   else
     {
-#ifdef STACK_GROWS_DOWNWARD
+#ifdef __LIBGCC_STACK_GROWS_DOWNWARD__
       initial_sp = (void *) ((char *) (segment + 1) + segment->size);
 #else
       initial_sp = (void *) (segment + 1);