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| author | Ian Lance Taylor <ian@airs.com> | 1994-08-25 15:58:43 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1994-08-25 15:58:43 +0000 |
| commit | 6d04c6d475c350f7490a5ac95cb45d7b396744de (patch) | |
| tree | 85812128d45d83b8c2de08114d4129ab9b35633b /bfd/coffgen.c | |
| parent | 715cde57f8aba52a2f4f32ef6fd7f01eb3411048 (diff) | |
| download | gdb-6d04c6d475c350f7490a5ac95cb45d7b396744de.zip gdb-6d04c6d475c350f7490a5ac95cb45d7b396744de.tar.gz gdb-6d04c6d475c350f7490a5ac95cb45d7b396744de.tar.bz2 | |
* coffgen.c (coff_find_nearest_line): Look for the best C_FILE,
not merely the first.
Diffstat (limited to 'bfd/coffgen.c')
| -rw-r--r-- | bfd/coffgen.c | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/bfd/coffgen.c b/bfd/coffgen.c index 1b8a48b..44d1323 100644 --- a/bfd/coffgen.c +++ b/bfd/coffgen.c @@ -1644,37 +1644,47 @@ coff_find_nearest_line (abfd, section, ignore_symbols, offset, filename_ptr, if (p < pend) { + bfd_vma maxdiff; + /* Look through the C_FILE symbols to find the best one. */ *filename_ptr = (char *) p->u.syment._n._n_n._n_offset; - i = 0; + maxdiff = (bfd_vma) 0 - (bfd_vma) 1; while (1) { combined_entry_type *p2; - /* Avoid endless loops on erroneous files by ensuring that - we always move forward in the file. */ - if (i >= p->u.syment.n_value) - break; - - i = p->u.syment.n_value; - if (i >= cof->raw_syment_count) - break; - - p = cof->raw_syments + i; - if (p->u.syment.n_sclass != C_FILE) - break; - - for (p2 = p; p2 < pend; p2 += 1 + p2->u.syment.n_numaux) + for (p2 = p + 1 + p->u.syment.n_numaux; + p2 < pend; + p2 += 1 + p2->u.syment.n_numaux) { - if (section == - coff_section_from_bfd_index (abfd, p2->u.syment.n_scnum)) + if (p2->u.syment.n_scnum > 0 + && (section + == coff_section_from_bfd_index (abfd, + p2->u.syment.n_scnum))) break; + if (p2->u.syment.n_sclass == C_FILE) + { + p2 = pend; + break; + } } + if (p2 < pend - && offset < p2->u.syment.n_value) + && offset >= p2->u.syment.n_value + && offset - p2->u.syment.n_value < maxdiff) + { + *filename_ptr = (char *) p->u.syment._n._n_n._n_offset; + maxdiff = offset - p2->u.syment.n_value; + } + + /* Avoid endless loops on erroneous files by ensuring that + we always move forward in the file. */ + if (p - cof->raw_syments >= p->u.syment.n_value) break; - *filename_ptr = (char *) p->u.syment._n._n_n._n_offset; + p = cof->raw_syments + p->u.syment.n_value; + if (p > pend || p->u.syment.n_sclass != C_FILE) + break; } } |