diff options
Diffstat (limited to 'gdb/record-btrace.c')
| -rw-r--r-- | gdb/record-btrace.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c index 35c775a04b6..af7b65feda2 100644 --- a/gdb/record-btrace.c +++ b/gdb/record-btrace.c @@ -721,6 +721,47 @@ btrace_call_history_insn_range (struct ui_out *uiout, ui_out_field_uint (uiout, "insn end", end); } +/* Compute the lowest and highest source line for the instructions in BFUN + and return them in PBEGIN and PEND. + Ignore instructions that can't be mapped to BFUN, e.g. instructions that + result from inlining or macro expansion. */ + +static void +btrace_compute_src_line_range (const struct btrace_function *bfun, + int *pbegin, int *pend) +{ + struct btrace_insn *insn; + struct symtab *symtab; + struct symbol *sym; + unsigned int idx; + int begin, end; + + begin = INT_MAX; + end = INT_MIN; + + sym = bfun->sym; + if (sym == NULL) + goto out; + + symtab = symbol_symtab (sym); + + for (idx = 0; VEC_iterate (btrace_insn_s, bfun->insn, idx, insn); ++idx) + { + struct symtab_and_line sal; + + sal = find_pc_line (insn->pc, 0); + if (sal.symtab != symtab || sal.line == 0) + continue; + + begin = min (begin, sal.line); + end = max (end, sal.line); + } + + out: + *pbegin = begin; + *pend = end; +} + /* Print the source line information for a function call history line. */ static void @@ -737,9 +778,7 @@ btrace_call_history_src_line (struct ui_out *uiout, ui_out_field_string (uiout, "file", symtab_to_filename_for_display (symbol_symtab (sym))); - begin = bfun->lbegin; - end = bfun->lend; - + btrace_compute_src_line_range (bfun, &begin, &end); if (end < begin) return; |