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| author | Geoffrey Keating <geoffk@geoffk.org> | 2002-04-17 23:08:42 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@geoffk.org> | 2002-04-17 23:08:42 +0000 |
| commit | ffa554edd7d07881a4d1c93cf406aef0cba4086c (patch) | |
| tree | 84d700c95b23216ff469ec5016eeeab2301b4438 | |
| parent | 8b0d4340d71c3925a84935af4039767d0eee90c9 (diff) | |
| download | gdb-ffa554edd7d07881a4d1c93cf406aef0cba4086c.zip gdb-ffa554edd7d07881a4d1c93cf406aef0cba4086c.tar.gz gdb-ffa554edd7d07881a4d1c93cf406aef0cba4086c.tar.bz2 | |
* dwarf2dbg.c (dwarf2_gen_line_info): Do emit duplicate line
numbers, gdb relies on them to detect the start of the prologue.
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/dwarf2dbg.c | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 30ac042..278ea24 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -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 diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c index 6e62206..81cbf8a 100644 --- a/gas/dwarf2dbg.c +++ b/gas/dwarf2dbg.c @@ -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; |