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, 15 insertions, 15 deletions

diff --git a/libgcc/unwind-dw2.c b/libgcc/unwind-dw2.c
index 55fc4bc..e474433 100644
--- a/libgcc/unwind-dw2.c
+++ b/libgcc/unwind-dw2.c
@@ -43,16 +43,16 @@
 
 #ifndef __USING_SJLJ_EXCEPTIONS__
 
-#ifndef STACK_GROWS_DOWNWARD
-#define STACK_GROWS_DOWNWARD 0
+#ifndef __LIBGCC_STACK_GROWS_DOWNWARD__
+#define __LIBGCC_STACK_GROWS_DOWNWARD__ 0
 #else
-#undef STACK_GROWS_DOWNWARD
-#define STACK_GROWS_DOWNWARD 1
+#undef __LIBGCC_STACK_GROWS_DOWNWARD__
+#define __LIBGCC_STACK_GROWS_DOWNWARD__ 1
 #endif
 
 /* Dwarf frame registers used for pre gcc 3.0 compiled glibc.  */
 #ifndef PRE_GCC3_DWARF_FRAME_REGISTERS
-#define PRE_GCC3_DWARF_FRAME_REGISTERS DWARF_FRAME_REGISTERS
+#define PRE_GCC3_DWARF_FRAME_REGISTERS __LIBGCC_DWARF_FRAME_REGISTERS__
 #endif
 
 #ifndef DWARF_REG_TO_UNWIND_COLUMN
@@ -86,7 +86,7 @@
    ignore unwind data for unknown columns.  */
 
 #define UNWIND_COLUMN_IN_RANGE(x) \
-    __builtin_expect((x) <= DWARF_FRAME_REGISTERS, 1)
+    __builtin_expect((x) <= __LIBGCC_DWARF_FRAME_REGISTERS__, 1)
 
 #ifdef REG_VALUE_IN_UNWIND_CONTEXT
 typedef _Unwind_Word _Unwind_Context_Reg_Val;
@@ -131,7 +131,7 @@ _Unwind_Get_Unwind_Context_Reg_Val (_Unwind_Word val)
    to its caller.  */
 struct _Unwind_Context
 {
-  _Unwind_Context_Reg_Val reg[DWARF_FRAME_REGISTERS+1];
+  _Unwind_Context_Reg_Val reg[__LIBGCC_DWARF_FRAME_REGISTERS__+1];
   void *cfa;
   void *ra;
   void *lsda;
@@ -145,11 +145,11 @@ struct _Unwind_Context
      struct _Unwind_Context.  */
   _Unwind_Word version;
   _Unwind_Word args_size;
-  char by_value[DWARF_FRAME_REGISTERS+1];
+  char by_value[__LIBGCC_DWARF_FRAME_REGISTERS__+1];
 };
 
 /* Byte size of every register managed by these routines.  */
-static unsigned char dwarf_reg_size_table[DWARF_FRAME_REGISTERS+1];
+static unsigned char dwarf_reg_size_table[__LIBGCC_DWARF_FRAME_REGISTERS__+1];
 
 
 /* Read unaligned data from the instruction buffer.  */
@@ -1190,7 +1190,7 @@ execute_cfa_program (const unsigned char *insn_ptr,
 
 	case DW_CFA_GNU_window_save:
 	  /* ??? Hardcoded for SPARC register window configuration.  */
-	  if (DWARF_FRAME_REGISTERS >= 32)
+	  if (__LIBGCC_DWARF_FRAME_REGISTERS__ >= 32)
 	    for (reg = 16; reg < 32; ++reg)
 	      {
 		fs->regs.reg[reg].how = REG_SAVED_OFFSET;
@@ -1384,7 +1384,7 @@ uw_update_context_1 (struct _Unwind_Context *context, _Unwind_FrameState *fs)
   void *cfa;
   long i;
 
-#ifdef EH_RETURN_STACKADJ_RTX
+#ifdef __LIBGCC_EH_RETURN_STACKADJ_RTX__
   /* Special handling here: Many machines do not use a frame pointer,
      and track the CFA only through offsets from the stack pointer from
      one frame to the next.  In this case, the stack pointer is never
@@ -1432,7 +1432,7 @@ uw_update_context_1 (struct _Unwind_Context *context, _Unwind_FrameState *fs)
   context->cfa = cfa;
 
   /* Compute the addresses of all registers saved in this frame.  */
-  for (i = 0; i < DWARF_FRAME_REGISTERS + 1; ++i)
+  for (i = 0; i < __LIBGCC_DWARF_FRAME_REGISTERS__ + 1; ++i)
     switch (fs->regs.reg[i].how)
       {
       case REG_UNSAVED:
@@ -1638,7 +1638,7 @@ uw_install_context_1 (struct _Unwind_Context *current,
   if (!_Unwind_GetGRPtr (target, __builtin_dwarf_sp_column ()))
     _Unwind_SetSpColumn (target, target->cfa, &sp_slot);
 
-  for (i = 0; i < DWARF_FRAME_REGISTERS; ++i)
+  for (i = 0; i < __LIBGCC_DWARF_FRAME_REGISTERS__; ++i)
     {
       void *c = (void *) (_Unwind_Internal_Ptr) current->reg[i];
       void *t = (void *) (_Unwind_Internal_Ptr)target->reg[i];
@@ -1674,7 +1674,7 @@ uw_install_context_1 (struct _Unwind_Context *current,
       target_cfa = _Unwind_GetPtr (target, __builtin_dwarf_sp_column ());
 
       /* We adjust SP by the difference between CURRENT and TARGET's CFA.  */
-      if (STACK_GROWS_DOWNWARD)
+      if (__LIBGCC_STACK_GROWS_DOWNWARD__)
 	return target_cfa - current->cfa + target->args_size;
       else
 	return current->cfa - target_cfa - target->args_size;
@@ -1688,7 +1688,7 @@ uw_identify_context (struct _Unwind_Context *context)
   /* The CFA is not sufficient to disambiguate the context of a function
      interrupted by a signal before establishing its frame and the context
      of the signal itself.  */
-  if (STACK_GROWS_DOWNWARD)
+  if (__LIBGCC_STACK_GROWS_DOWNWARD__)
     return _Unwind_GetCFA (context) - _Unwind_IsSignalFrame (context);
   else
     return _Unwind_GetCFA (context) + _Unwind_IsSignalFrame (context);