diff options
Diffstat (limited to 'gas/stabs.c')
| -rw-r--r-- | gas/stabs.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/gas/stabs.c b/gas/stabs.c index cd5a705..60b03c4 100644 --- a/gas/stabs.c +++ b/gas/stabs.c @@ -580,10 +580,9 @@ stabs_generate_asm_lineno () unsigned int lineno; char *buf; char sym[30]; - - /* Let the world know that we are in the middle of generating a - piece of stabs line debugging information. */ - outputting_stabs_line_debug = 1; + /* Remember the last file/line and avoid duplicates. */ + static unsigned int prev_lineno = -1; + static char *prev_file = NULL; /* Rather than try to do this in some efficient fashion, we just generate a string and then parse it again. That lets us use the @@ -594,6 +593,34 @@ stabs_generate_asm_lineno () as_where (&file, &lineno); + /* Don't emit sequences of stabs for the same line. */ + if (prev_file == NULL) + { + /* First time thru. */ + prev_file = xstrdup (file); + prev_lineno = lineno; + } + else if (lineno == prev_lineno + && strcmp (file, prev_file) == 0) + { + /* Same file/line as last time. */ + return; + } + else + { + /* Remember file/line for next time. */ + prev_lineno = lineno; + if (strcmp (file, prev_file) != 0) + { + free (prev_file); + prev_file = xstrdup (file); + } + } + + /* Let the world know that we are in the middle of generating a + piece of stabs line debugging information. */ + outputting_stabs_line_debug = 1; + generate_asm_file (N_SOL, file); sprintf (sym, "%sL%d", FAKE_LABEL_NAME, label_count); |