* Makefile.in (c-cppbuiltin.o): Depend on debug.h.

        * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
        * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
        * common.opt (fdwarf2-cfi-asm): New.
        * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
        * config.in, configure: Rebuild.
        * dwarf2asm.c (dw2_asm_output_data_raw): New.
        (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
        (dw2_force_const_mem): Externalize.
        * dwarf2asm.h: Update.
        * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
        generate a real label.
        (output_cfi_directive): New.
        (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
        (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
        (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
        and .cfi_lsda.
        (dwarf2out_end_epilogue): Emit .cfi_endproc.
        (output_loc_operands_raw, output_loc_sequence_raw): New.
        (output_cfa_loc_raw): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138733 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 72 insertions, 2 deletions

diff --git a/gcc/dwarf2asm.c b/gcc/dwarf2asm.c
index 43d57e9fa8f..9ae94200f18 100644
--- a/gcc/dwarf2asm.c
+++ b/gcc/dwarf2asm.c
@@ -62,6 +62,34 @@ dw2_assemble_integer (int size, rtx x)
 }
 
 
+/* Output a value of a given size in target byte order.  */
+
+void
+dw2_asm_output_data_raw (int size, unsigned HOST_WIDE_INT value)
+{
+  unsigned char bytes[8];
+  int i;
+
+  for (i = 0; i < 8; ++i)
+    {
+      bytes[i] = value & 0xff;
+      value >>= 8;
+    }
+
+  if (BYTES_BIG_ENDIAN)
+    {
+      for (i = size - 1; i > 0; --i)
+	fprintf (asm_out_file, "0x%x,", bytes[i]);
+      fprintf (asm_out_file, "0x%x", bytes[0]);
+    }
+  else
+    {
+      for (i = 0; i < size - 1; ++i)
+	fprintf (asm_out_file, "0x%x,", bytes[i]);
+      fprintf (asm_out_file, "0x%x", bytes[i]);
+    }
+}
+
 /* Output an immediate constant in a given SIZE in bytes.  */
 
 void
@@ -505,6 +533,26 @@ eh_data_format_name (int format)
 #endif
 }
 
+/* Output an unsigned LEB128 quantity, but only the byte values.  */
+
+void
+dw2_asm_output_data_uleb128_raw (unsigned HOST_WIDE_INT value)
+{
+  while (1)
+    {
+      int byte = (value & 0x7f);
+      value >>= 7;
+      if (value != 0)
+	/* More bytes to follow.  */
+	byte |= 0x80;
+
+      fprintf (asm_out_file, "0x%x", byte);
+      if (value == 0)
+	break;
+      fputc (',', asm_out_file);
+    }
+}
+
 /* Output an unsigned LEB128 quantity.  */
 
 void
@@ -566,6 +614,29 @@ dw2_asm_output_data_uleb128 (unsigned HOST_WIDE_INT value,
   va_end (ap);
 }
 
+/* Output an signed LEB128 quantity, but only the byte values.  */
+
+void
+dw2_asm_output_data_sleb128_raw (HOST_WIDE_INT value)
+{
+  int byte, more;
+
+  while (1)
+    {
+      byte = (value & 0x7f);
+      value >>= 7;
+      more = !((value == 0 && (byte & 0x40) == 0)
+		|| (value == -1 && (byte & 0x40) != 0));
+      if (more)
+	byte |= 0x80;
+
+      fprintf (asm_out_file, "0x%x", byte);
+      if (!more)
+	break;
+      fputc (',', asm_out_file);
+    }
+}
+
 /* Output a signed LEB128 quantity.  */
 
 void
@@ -689,7 +760,6 @@ dw2_asm_output_delta_sleb128 (const char *lab1 ATTRIBUTE_UNUSED,
 }
 #endif /* 0 */
 
-static rtx dw2_force_const_mem (rtx, bool);
 static int dw2_output_indirect_constant_1 (splay_tree_node, void *);
 
 static GTY((param1_is (char *), param2_is (tree))) splay_tree indirect_pool;
@@ -733,7 +803,7 @@ splay_tree_compare_strings (splay_tree_key k1, splay_tree_key k2)
    "near" the function in any interesting sense.  IS_PUBLIC controls whether
    the symbol can be shared across the entire application (or DSO).  */
 
-static rtx
+rtx
 dw2_force_const_mem (rtx x, bool is_public)
 {
   splay_tree_node node;