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| author | Caroline Tice <ctice@apple.com> | 2007-07-13 23:11:15 +0000 |
|---|---|---|
| committer | Caroline Tice <ctice@gcc.gnu.org> | 2007-07-13 16:11:15 -0700 |
| commit | 62760ffd155d4ff29cf8f3092d756016a953b99e (patch) | |
| tree | b87516d5c9ea7c2c70b26f837f1dada3f4c4d0f0 /gcc/toplev.c | |
| parent | f861f54dd7ac84b6266d7bed21f5e79885cc5003 (diff) | |
| download | gcc-62760ffd155d4ff29cf8f3092d756016a953b99e.zip gcc-62760ffd155d4ff29cf8f3092d756016a953b99e.tar.gz gcc-62760ffd155d4ff29cf8f3092d756016a953b99e.tar.bz2 | |
Add ability to track uninitialized variables, and mark uninitialized variables in the Dwarf debug info.
Add ability to track uninitialized variables, and mark uninitialized
variables in the Dwarf debug info. Controlled by compile option
-fvar-tracking-uninit
From-SVN: r126630
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index ff0d8a3..de86b38 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1874,7 +1874,8 @@ process_options (void) if (debug_info_level < DINFO_LEVEL_NORMAL || debug_hooks->var_location == do_nothing_debug_hooks.var_location) { - if (flag_var_tracking == 1) + if (flag_var_tracking == 1 + || flag_var_tracking_uninit == 1) { if (debug_info_level < DINFO_LEVEL_NORMAL) warning (0, "variable tracking requested, but useless unless " @@ -1884,6 +1885,7 @@ process_options (void) "by this debug format"); } flag_var_tracking = 0; + flag_var_tracking_uninit = 0; } if (flag_rename_registers == AUTODETECT_VALUE) @@ -1893,6 +1895,12 @@ process_options (void) if (flag_var_tracking == AUTODETECT_VALUE) flag_var_tracking = optimize >= 1; + /* If the user specifically requested variable tracking with tagging + uninitialized variables, we need to turn on variable tracking. + (We already determined above that variable tracking is feasible.) */ + if (flag_var_tracking_uninit) + flag_var_tracking = 1; + /* If auxiliary info generation is desired, open the output file. This goes in the same directory as the source file--unlike all the other output files. */ |