lldb does not like function end and next function start at same pc
Unified · Split
| @@ -971,7 +971,6 @@ ST_FUNC void tcc_debug_end(TCCState *s1) · 970 unmodified lines | ||
| 971 | 971 | tcc_free(dwarf_line.filename_table[i].name); |
| 972 | 972 | tcc_free(dwarf_line.filename_table); |
| 973 | 973 | |
| 974 | − dwarf_line_op(s1, DW_LNS_negate_stmt); | |
| 975 | 974 | dwarf_line_op(s1, 0); // extended |
| 976 | 975 | dwarf_uleb128_op(s1, 1); // extended size |
| 977 | 976 | dwarf_line_op(s1, DW_LNE_end_sequence); |
| @@ -1828,9 +1827,6 @@ ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym) · 850 unmodified lines | ||
| 1828 | 1827 | |
| 1829 | 1828 | if (s1->dwarf) { |
| 1830 | 1829 | tcc_debug_line(s1); |
| 1831 | − dwarf_line_op(s1, DW_LNS_negate_stmt); | |
| 1832 | − dwarf_line_op(s1, DW_LNS_copy); | |
| 1833 | − dwarf_line_op(s1, DW_LNS_negate_stmt); | |
| 1834 | 1830 | dwarf_info.func = sym; |
| 1835 | 1831 | dwarf_info.line = file->line_num; |
| 1836 | 1832 | if (s1->do_backtrace) { |
| @@ -1868,9 +1864,15 @@ ST_FUNC void tcc_debug_prolog_epilog(TCCState *s1, int value) · 31 unmodified lines | ||
| 1868 | 1864 | /* put function size */ |
| 1869 | 1865 | ST_FUNC void tcc_debug_funcend(TCCState *s1, int size) |
| 1870 | 1866 | { |
| 1867 | + /* lldb does not like function end and next function start at same pc */ | |
| 1868 | + int min_instr_len; | |
| 1869 | + | |
| 1871 | 1870 | if (!s1->do_debug) |
| 1872 | 1871 | return; |
| 1872 | + min_instr_len = dwarf_line.last_pc == ind ? 0 : DWARF_MIN_INSTR_LEN; | |
| 1873 | + ind -= min_instr_len; | |
| 1873 | 1874 | tcc_debug_line(s1); |
| 1875 | + ind += min_instr_len; | |
| 1874 | 1876 | tcc_debug_stabn(s1, N_RBRAC, size); |
| 1875 | 1877 | if (s1->dwarf) { |
| 1876 | 1878 | int func_sib = 0; |