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* dwarf.c (display_debug_lines_raw): Do not treat .debug_line.dwo

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sections as if they were fragmentary .debug_line sections.
	(display_debug_lines_decoded): Likewise.
This commit is contained in:
Nick Clifton 2013-05-02 10:18:38 +00:00
parent 1e456ce018
commit 4925cdd75b
2 changed files with 17 additions and 14 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2013-05-02 Nick Clifton <nickc@redhat.com>
* dwarf.c (display_debug_lines_raw): Do not treat .debug_line.dwo
sections as if they were fragmentary .debug_line sections.
(display_debug_lines_decoded): Likewise.
2013-04-29 Nick Clifton <nickc@redhat.com>
* dwarf.c (read_debug_line_header): New function. Reads in a

25
binutils/dwarf.c
View File

@ -2659,7 +2659,10 @@ display_debug_lines_raw (struct dwarf_section *section,
unsigned char *end_of_sequence;
int i;
if (const_strneq (section->name, ".debug_line."))
if (const_strneq (section->name, ".debug_line.")
/* Note: the following does not apply to .debug_line.dwo sections.
These are full debug_line sections. */
&& strcmp (section->name, ".debug_line.dwo") != 0)
{
/* Sections named .debug_line.<foo> are fragments of a .debug_line
section containing just the Line Number Statements. They are
@ -2668,9 +2671,9 @@ display_debug_lines_raw (struct dwarf_section *section,
garbage collection decides to discard a .text.<foo> section it
can then also discard the line number information in .debug_line.<foo>.
Since the section is a fragmnent it does not have the details
Since the section is a fragment it does not have the details
needed to fill out a LineInfo structure, so instead we use the
details from the last one we processed. */
details from the last full debug_line section that we processed. */
end_of_sequence = end;
standard_opcodes = NULL;
linfo = saved_linfo;
@ -2994,18 +2997,12 @@ display_debug_lines_decoded (struct dwarf_section *section,
unsigned char **directory_table = NULL;
unsigned int n_directories = 0;
if (const_strneq (section->name, ".debug_line."))
if (const_strneq (section->name, ".debug_line.")
/* Note: the following does not apply to .debug_line.dwo sections.
These are full debug_line sections. */
&& strcmp (section->name, ".debug_line.dwo") != 0)
{
/* Sections named .debug_line.<foo> are fragments of a .debug_line
section containing just the Line Number Statements. They are
created by the assembler and intended to be used alongside gcc's
-ffunction-sections command line option. When the linker's
garbage collection decides to discard a .text.<foo> section it
can then also discard the line number information in .debug_line.<foo>.
Since the section is a fragmnent it does not have the details
needed to fill out a LineInfo structure, so instead we use the
details from the last one we processed. */
/* See comment in display_debug_lines_raw(). */
end_of_sequence = end;
standard_opcodes = NULL;
linfo = saved_linfo;