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* dwarf2dbg.c (dwarf2_gen_line_info): Do emit duplicate line 

numbers, gdb relies on them to detect the start of the prologue.
This commit is contained in:
Geoffrey Keating 2002-04-17 23:08:42 +00:00
parent 8b0d4340d7
commit ffa554edd7
2 changed files with 11 additions and 2 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2002-04-17 Geoffrey Keating <geoffk@redhat.com>
* dwarf2dbg.c (dwarf2_gen_line_info): Do emit duplicate line
numbers, gdb relies on them to detect the start of the prologue.
2002-04-17 Martin Schwidefsky <schwidefsky@de.ibm.com>
* config/tc-s390.c (tc_s390_fix_adjustable): Prevent adjustments to

8
gas/dwarf2dbg.c
View File

@ -237,8 +237,12 @@ dwarf2_gen_line_info (ofs, loc)
if (loc->filenum == 0 || loc->line == 0)
return;
/* Don't emit sequences of line symbols for the same line. */
if (line == loc->line && filenum == loc->filenum)
/* Don't emit sequences of line symbols for the same line when the
symbols apply to assembler code. It is necessary to emit
duplicate line symbols when a compiler asks for them, because GDB
uses them to determine the end of the prologue. */
if (debug_type == DEBUG_DWARF2
&& line == loc->line && filenum == loc->filenum)
return;
line = loc->line;