merge from gcc

[deliverable/binutils-gdb.git] / gas / dwarf2dbg.h

diff --git a/gas/dwarf2dbg.h b/gas/dwarf2dbg.h
index 2fe461e737de7d5916602466dd83c59d27071e1f..cd1d17b2031fcf24103830e6aff117635a5acb60 100644 (file)
--- a/gas/dwarf2dbg.h
+++ b/gas/dwarf2dbg.h
@@ -23,13 +23,16 @@
 
 #include "as.h"
 
-#define DWARF2_FLAG_BEGIN_STMT (1 << 0)        /* beginning of statement */
-#define DWARF2_FLAG_BEGIN_BLOCK        (1 << 1)        /* beginning of basic block */
+#define DWARF2_FLAG_IS_STMT            (1 << 0)
+#define DWARF2_FLAG_BASIC_BLOCK                (1 << 1)
+#define DWARF2_FLAG_PROLOGUE_END       (1 << 2)
+#define DWARF2_FLAG_EPILOGUE_BEGIN     (1 << 3)
 
 struct dwarf2_line_info {
   unsigned int filenum;
   unsigned int line;
   unsigned int column;
+  unsigned int isa;
   unsigned int flags;
 };
 
@@ -46,12 +49,19 @@ extern char *dwarf2_directive_file (int dummy);
    used.  */
 extern void dwarf2_directive_loc (int dummy);
 
+/* Implements the .loc_mark_labels {0,1} directive.  */
+extern void dwarf2_directive_loc_mark_labels (int dummy);
+
 /* Returns the current source information.  If .file directives have
    been encountered, the info for the corresponding source file is
    returned.  Otherwise, the info for the assembly source file is
    returned.  */
 extern void dwarf2_where (struct dwarf2_line_info *l);
 
+/* A hook to allow the target backend to inform the line number state 
+   machine of isa changes when assembler debug info is enabled.  */
+extern void dwarf2_set_isa (unsigned int isa);
+
 /* This function generates .debug_line info based on the address and
    source information passed in the arguments.  ADDR should be the
    frag-relative offset of the instruction the information is for and
@@ -62,6 +72,14 @@ extern void dwarf2_gen_line_info (addressT addr, struct dwarf2_line_info *l);
 /* Must be called for each generated instruction.  */
 extern void dwarf2_emit_insn (int);
 
+/* Should be called for each code label.  */
+extern void dwarf2_emit_label (symbolS *);
+
+/* True when we're supposed to set the basic block mark whenever a label
+   is seen.  Unless the target is doing Something Weird, just call 
+   dwarf2_emit_label.  */
+bfd_boolean dwarf2_loc_mark_labels;
+
 extern void dwarf2_finish (void);
 
 extern int dwarf2dbg_estimate_size_before_relax (fragS *);