# define DWARF2_ADDR_SIZE(bfd) (bfd_arch_bits_per_address (bfd) / 8);
#endif
-
#ifdef BFD_ASSEMBLER
#include "subsegs.h"
/* Current location as indicated by the most recent .loc directive. */
static struct dwarf2_line_info current;
-/* Fake label name. */
-static char const fake_label_name[] = ".L0\001";
-
/* The size of an address on the target. */
static unsigned int sizeof_address;
\f
static void out_four PARAMS ((int));
static void out_abbrev PARAMS ((int, int));
static void out_uleb128 PARAMS ((addressT));
-static symbolS *symbol_new_now PARAMS ((void));
-static void set_symbol_value_now PARAMS ((symbolS *));
static offsetT get_frag_fix PARAMS ((fragS *));
static void out_set_addr PARAMS ((segT, fragS *, addressT));
static int size_inc_line_addr PARAMS ((int, addressT));
static void out_debug_abbrev PARAMS ((segT));
static void out_debug_info PARAMS ((segT, segT, segT));
\f
+#ifndef TC_DWARF2_EMIT_OFFSET
+# define TC_DWARF2_EMIT_OFFSET generic_dwarf2_emit_offset
+static void generic_dwarf2_emit_offset PARAMS ((symbolS *, unsigned int));
+
+/* Create an offset to .dwarf2_*. */
+
+static void
+generic_dwarf2_emit_offset (symbol, size)
+ symbolS *symbol;
+ unsigned int size;
+{
+ expressionS expr;
+
+ expr.X_op = O_symbol;
+ expr.X_add_symbol = symbol;
+ expr.X_add_number = 0;
+ emit_expr (&expr, size);
+}
+#endif
+
/* Find or create an entry for SEG+SUBSEG in ALL_SEGS. */
static struct line_subseg *
{
for (i = 1; i < files_in_use; ++i)
if (files[i].dir == dir
+ && files[i].filename
&& strcmp (file, files[i].filename) == 0)
{
last_used = i;
out_uleb128 (form);
}
-/* Create a new fake symbol whose value is the current position. */
-
-static symbolS *
-symbol_new_now ()
-{
- return symbol_new (fake_label_name, now_seg, frag_now_fix (), frag_now);
-}
-
-/* Set the value of SYM to the current position in the current segment. */
-
-static void
-set_symbol_value_now (sym)
- symbolS *sym;
-{
- S_SET_SEGMENT (sym, now_seg);
- S_SET_VALUE (sym, frag_now_fix ());
- symbol_set_frag (sym, frag_now);
-}
-
/* Get the size of a fragment. */
static offsetT
on some subsegment chain. */
for (fr = frchain_root; fr; fr = fr->frch_next)
if (fr->frch_last == frag)
- {
- long align_mask = -1 << get_recorded_alignment (fr->frch_seg);
- return (((char *) obstack_next_free (&fr->frch_obstack)
- - frag->fr_literal) + ~align_mask) & align_mask;
- }
+ return (char *) obstack_next_free (&fr->frch_obstack) - frag->fr_literal;
abort ();
}
expressionS expr;
symbolS *sym;
- sym = symbol_new (fake_label_name, seg, ofs, frag);
+ sym = symbol_temp_new (seg, ofs, frag);
out_opcode (DW_LNS_extended_op);
out_uleb128 (sizeof_address + 1);
expressionS expr;
int max_chars;
- to_sym = symbol_new (fake_label_name, seg, to_ofs, to_frag);
- from_sym = symbol_new (fake_label_name, seg, from_ofs, from_frag);
+ to_sym = symbol_temp_new (seg, to_ofs, to_frag);
+ from_sym = symbol_temp_new (seg, from_ofs, from_frag);
expr.X_op = O_subtract;
expr.X_add_symbol = to_sym;
if (files[i].filename == NULL)
{
as_bad (_("unassigned file number %ld"), (long) i);
+ /* Prevent a crash later, particularly for file 1. */
+ files[i].filename = "";
continue;
}
subseg_set (line_seg, 0);
- line_start = symbol_new_now ();
- prologue_end = symbol_make (fake_label_name);
- line_end = symbol_make (fake_label_name);
+ line_start = symbol_temp_new_now ();
+ prologue_end = symbol_temp_make ();
+ line_end = symbol_temp_make ();
/* Total length of the information for this compilation unit. */
expr.X_op = O_subtract;
out_file_list ();
- set_symbol_value_now (prologue_end);
+ symbol_set_value_now (prologue_end);
/* For each section, emit a statement program. */
for (s = all_segs; s; s = s->next)
process_entries (s->seg, s->head->head);
- set_symbol_value_now (line_end);
+ symbol_set_value_now (line_end);
}
/* Emit data for .debug_aranges. */
out_two (2);
/* Offset to .debug_info. */
- expr.X_op = O_symbol;
- expr.X_add_symbol = section_symbol (info_seg);
- expr.X_add_number = 0;
- emit_expr (&expr, 4);
+ /* ??? sizeof_offset */
+ TC_DWARF2_EMIT_OFFSET (section_symbol (info_seg), 4);
/* Size of an address (offset portion). */
out_byte (addr_size);
symbolS *beg, *end;
frag = first_frag_for_seg (s->seg);
- beg = symbol_new (fake_label_name, s->seg, 0, frag);
+ beg = symbol_temp_new (s->seg, 0, frag);
s->text_start = beg;
frag = last_frag_for_seg (s->seg);
- end = symbol_new (fake_label_name, s->seg, get_frag_fix (frag), frag);
+ end = symbol_temp_new (s->seg, get_frag_fix (frag), frag);
s->text_end = end;
expr.X_op = O_symbol;
subseg_set (info_seg, 0);
- info_start = symbol_new_now ();
- info_end = symbol_make (fake_label_name);
+ info_start = symbol_temp_new_now ();
+ info_end = symbol_temp_make ();
/* Compilation Unit length. */
expr.X_op = O_subtract;
out_two (2);
/* .debug_abbrev offset */
- expr.X_op = O_symbol;
- expr.X_add_symbol = section_symbol (abbrev_seg);
- expr.X_add_number = 0;
- emit_expr (&expr, sizeof_offset);
+ TC_DWARF2_EMIT_OFFSET (section_symbol (abbrev_seg), sizeof_offset);
/* Target address size. */
out_byte (sizeof_address);
out_uleb128 (1);
/* DW_AT_stmt_list */
- expr.X_op = O_symbol;
- expr.X_add_symbol = section_symbol (line_seg);
- expr.X_add_number = 0;
- emit_expr (&expr, 4);
+ /* ??? sizeof_offset */
+ TC_DWARF2_EMIT_OFFSET (section_symbol (line_seg), 4);
/* These two attributes may only be emitted if all of the code is
contiguous. Multiple sections are not that. */
dwarf2 draft has no standard code for assembler. */
out_two (DW_LANG_Mips_Assembler);
- set_symbol_value_now (info_end);
+ symbol_set_value_now (info_end);
}
void
projects / deliverable / binutils-gdb.git / blobdiff