void
dwarf2_finish (void)
{
segT line_seg;
struct line_seg *s;
/* We don't need to do anything unless:
- Some debug information was recorded via .file/.loc
- or, we are generating DWARF2 information ourself (--gdwarf2)
- or, there is a user-provided .debug_info section which could
reference the file table in the .debug_line section we generate
below. */
if (all_segs == NULL
&& debug_type != DEBUG_DWARF2
&& bfd_get_section_by_name (stdoutput, ".debug_info") == NULL)
return;
/* Calculate the size of an address for the target machine. */
sizeof_address = DWARF2_ADDR_SIZE (stdoutput);
/* Create and switch to the line number section. */
line_seg = subseg_new (".debug_line", 0);
bfd_set_section_flags (stdoutput, line_seg, SEC_READONLY);
/* For each subsection, chain the debug entries together. */
for (s = all_segs; s; s = s->next)
{
struct line_subseg *ss = s->head;
struct line_entry **ptail = ss->ptail;
while ((ss = ss->next) != NULL)
{
*ptail = ss->head;
ptail = ss->ptail;
}
}
out_debug_line (line_seg);
/* If this is assembler generated line info, we need .debug_info
and .debug_abbrev sections as well. */
if (all_segs != NULL && debug_type == DEBUG_DWARF2)
{
segT abbrev_seg;
segT info_seg;
segT aranges_seg;
info_seg = subseg_new (".debug_info", 0);
abbrev_seg = subseg_new (".debug_abbrev", 0);
aranges_seg = subseg_new (".debug_aranges", 0);
bfd_set_section_flags (stdoutput, info_seg, SEC_READONLY);
bfd_set_section_flags (stdoutput, abbrev_seg, SEC_READONLY);
bfd_set_section_flags (stdoutput, aranges_seg, SEC_READONLY);
record_alignment (aranges_seg, ffs (2 * sizeof_address) - 1);
out_debug_aranges (aranges_seg, info_seg);
out_debug_abbrev (abbrev_seg);
out_debug_info (info_seg, abbrev_seg, line_seg);
}
}
void
dwarf2_finish (void)
{
segT line_seg;
struct line_seg *s;
segT info_seg;
int emit_other_sections = 0;
int empty_debug_line = 0;
info_seg = bfd_get_section_by_name (stdoutput, ".debug_info");
emit_other_sections = info_seg == NULL || !seg_not_empty_p (info_seg);
line_seg = bfd_get_section_by_name (stdoutput, ".debug_line");
empty_debug_line = line_seg == NULL || !seg_not_empty_p (line_seg);
/* We can't construct a new debug_line section if we already have one.
Give an error. */
if (all_segs && !empty_debug_line)
as_fatal ("duplicate .debug_line sections");
if ((!all_segs && emit_other_sections)
|| (!emit_other_sections && !empty_debug_line))
/* If there is no line information and no non-empty .debug_info
section, or if there is both a non-empty .debug_info and a non-empty
.debug_line, then we do nothing. */
return;
/* Calculate the size of an address for the target machine. */
sizeof_address = DWARF2_ADDR_SIZE (stdoutput);
/* Create and switch to the line number section. */
line_seg = subseg_new (".debug_line", 0);
bfd_set_section_flags (stdoutput, line_seg, SEC_READONLY | SEC_DEBUGGING);
/* For each subsection, chain the debug entries together. */
for (s = all_segs; s; s = s->next)
{
struct line_subseg *lss = s->head;
struct line_entry **ptail = lss->ptail;
while ((lss = lss->next) != NULL)
{
*ptail = lss->head;
ptail = lss->ptail;
}
}
out_debug_line (line_seg);
/* If this is assembler generated line info, and there is no
debug_info already, we need .debug_info and .debug_abbrev
sections as well. */
if (emit_other_sections)
{
segT abbrev_seg;
segT aranges_seg;
segT ranges_seg;
gas_assert (all_segs);
info_seg = subseg_new (".debug_info", 0);
abbrev_seg = subseg_new (".debug_abbrev", 0);
aranges_seg = subseg_new (".debug_aranges", 0);
bfd_set_section_flags (stdoutput, info_seg,
SEC_READONLY | SEC_DEBUGGING);
bfd_set_section_flags (stdoutput, abbrev_seg,
SEC_READONLY | SEC_DEBUGGING);
bfd_set_section_flags (stdoutput, aranges_seg,
SEC_READONLY | SEC_DEBUGGING);
record_alignment (aranges_seg, ffs (2 * sizeof_address) - 1);
if (all_segs->next == NULL)
ranges_seg = NULL;
else
{
ranges_seg = subseg_new (".debug_ranges", 0);
bfd_set_section_flags (stdoutput, ranges_seg,
SEC_READONLY | SEC_DEBUGGING);
record_alignment (ranges_seg, ffs (2 * sizeof_address) - 1);
out_debug_ranges (ranges_seg);
}
out_debug_aranges (aranges_seg, info_seg);
out_debug_abbrev (abbrev_seg, info_seg, line_seg);
out_debug_info (info_seg, abbrev_seg, line_seg, ranges_seg);
}
}
void
dwarf2_finish (void)
{
segT line_seg;
struct line_seg *s;
segT info_seg;
int emit_other_sections = 0;
info_seg = bfd_get_section_by_name (stdoutput, ".debug_info");
emit_other_sections = info_seg == NULL || !seg_not_empty_p (info_seg);
if (!all_segs && emit_other_sections)
/* There is no line information and no non-empty .debug_info
section. */
return;
/* Calculate the size of an address for the target machine. */
sizeof_address = DWARF2_ADDR_SIZE (stdoutput);
/* Create and switch to the line number section. */
line_seg = subseg_new (".debug_line", 0);
bfd_set_section_flags (stdoutput, line_seg, SEC_READONLY | SEC_DEBUGGING);
/* For each subsection, chain the debug entries together. */
for (s = all_segs; s; s = s->next)
{
struct line_subseg *ss = s->head;
struct line_entry **ptail = ss->ptail;
while ((ss = ss->next) != NULL)
{
*ptail = ss->head;
ptail = ss->ptail;
}
}
out_debug_line (line_seg);
/* If this is assembler generated line info, and there is no
debug_info already, we need .debug_info and .debug_abbrev
sections as well. */
if (emit_other_sections)
{
segT abbrev_seg;
segT aranges_seg;
assert (all_segs);
info_seg = subseg_new (".debug_info", 0);
abbrev_seg = subseg_new (".debug_abbrev", 0);
aranges_seg = subseg_new (".debug_aranges", 0);
bfd_set_section_flags (stdoutput, info_seg,
SEC_READONLY | SEC_DEBUGGING);
bfd_set_section_flags (stdoutput, abbrev_seg,
SEC_READONLY | SEC_DEBUGGING);
bfd_set_section_flags (stdoutput, aranges_seg,
SEC_READONLY | SEC_DEBUGGING);
record_alignment (aranges_seg, ffs (2 * sizeof_address) - 1);
out_debug_aranges (aranges_seg, info_seg);
out_debug_abbrev (abbrev_seg);
out_debug_info (info_seg, abbrev_seg, line_seg);
}
}