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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2003-01-21 23:10:07 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2003-01-21 23:10:07 +0000 |
| commit | f0b886abd8e86539f1df6ccaad3820767279600b (patch) | |
| tree | aea85a214012f190cac88c6205ece96ed63dbdd9 /gcc | |
| parent | 570168b2b34cc7d691387635ea0ec1584c7dd18f (diff) | |
| download | gcc-f0b886abd8e86539f1df6ccaad3820767279600b.zip gcc-f0b886abd8e86539f1df6ccaad3820767279600b.tar.gz gcc-f0b886abd8e86539f1df6ccaad3820767279600b.tar.bz2 | |
dwarf2out (output_file_names): Don't crash if called with empty file_table.
* dwarf2out (output_file_names): Don't crash if called
with empty file_table.
From-SVN: r61576
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index de4c8f1..0ff1f44 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-01-21 Ulrich Weigand <uweigand@de.ibm.com> + + * dwarf2out (output_file_names): Don't crash if called + with empty file_table. + 2003-01-21 Zack Weinberg <zack@codesourcery.com> * genautomata.c (output_internal_insn_latency_func): Add diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 12e6fde..4502a29 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -7289,6 +7289,14 @@ output_file_names () size_t i; int idx; + /* Handle the case where file_table is empty. */ + if (VARRAY_ACTIVE_SIZE (file_table) <= 1) + { + dw2_asm_output_data (1, 0, "End directory table"); + dw2_asm_output_data (1, 0, "End file name table"); + return; + } + /* Allocate the various arrays we need. */ files = (struct file_info *) alloca (VARRAY_ACTIVE_SIZE (file_table) * sizeof (struct file_info)); |