diff options
Diffstat (limited to 'gdb/symtab.c')
-rw-r--r-- | gdb/symtab.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/gdb/symtab.c b/gdb/symtab.c index a80b80d..44b7113 100644 --- a/gdb/symtab.c +++ b/gdb/symtab.c @@ -3236,6 +3236,23 @@ find_pc_sect_line (CORE_ADDR pc, struct obj_section *section, int notcurrent) best = prev; best_symtab = iter_s; + /* If during the binary search we land on a non-statement entry, + scan backward through entries at the same address to see if + there is an entry marked as is-statement. In theory this + duplication should have been removed from the line table + during construction, this is just a double check. If the line + table has had the duplication removed then this should be + pretty cheap. */ + if (!best->is_stmt) + { + struct linetable_entry *tmp = best; + while (tmp > first && (tmp - 1)->pc == tmp->pc + && (tmp - 1)->line != 0 && !tmp->is_stmt) + --tmp; + if (tmp->is_stmt) + best = tmp; + } + /* Discard BEST_END if it's before the PC of the current BEST. */ if (best_end <= best->pc) best_end = 0; @@ -3266,6 +3283,7 @@ find_pc_sect_line (CORE_ADDR pc, struct obj_section *section, int notcurrent) } else { + val.is_stmt = best->is_stmt; val.symtab = best_symtab; val.line = best->line; val.pc = best->pc; @@ -3434,7 +3452,8 @@ find_pcs_for_symtab_line (struct symtab *symtab, int line, { struct linetable_entry *item = &SYMTAB_LINETABLE (symtab)->item[idx]; - if (*best_item == NULL || item->line < (*best_item)->line) + if (*best_item == NULL + || (item->line < (*best_item)->line && item->is_stmt)) *best_item = item; break; @@ -3545,6 +3564,10 @@ find_line_common (struct linetable *l, int lineno, { struct linetable_entry *item = &(l->item[i]); + /* Ignore non-statements. */ + if (!item->is_stmt) + continue; + if (item->line == lineno) { /* Return the first (lowest address) entry which matches. */ |