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Fix for lldb usage

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lldb does not like function end and next function start at same pc
This commit is contained in:
herman ten brugge 2022-12-04 07:19:48 +01:00
parent ab39d34dde
commit 7cc1cc3881
1 changed files with 6 additions and 4 deletions
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10
tccdbg.c
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@ -971,7 +971,6 @@ ST_FUNC void tcc_debug_end(TCCState *s1)
tcc_free(dwarf_line.filename_table[i].name); tcc_free(dwarf_line.filename_table[i].name);
tcc_free(dwarf_line.filename_table); tcc_free(dwarf_line.filename_table);
dwarf_line_op(s1, DW_LNS_negate_stmt);
dwarf_line_op(s1, 0); // extended dwarf_line_op(s1, 0); // extended
dwarf_uleb128_op(s1, 1); // extended size dwarf_uleb128_op(s1, 1); // extended size
dwarf_line_op(s1, DW_LNE_end_sequence); dwarf_line_op(s1, DW_LNE_end_sequence);
@ -1828,9 +1827,6 @@ ST_FUNC void tcc_debug_funcstart(TCCState *s1, Sym *sym)
if (s1->dwarf) { if (s1->dwarf) {
tcc_debug_line(s1); tcc_debug_line(s1);
dwarf_line_op(s1, DW_LNS_negate_stmt);
dwarf_line_op(s1, DW_LNS_copy);
dwarf_line_op(s1, DW_LNS_negate_stmt);
dwarf_info.func = sym; dwarf_info.func = sym;
dwarf_info.line = file->line_num; dwarf_info.line = file->line_num;
if (s1->do_backtrace) { if (s1->do_backtrace) {
@ -1868,9 +1864,15 @@ ST_FUNC void tcc_debug_prolog_epilog(TCCState *s1, int value)
/* put function size */ /* put function size */
ST_FUNC void tcc_debug_funcend(TCCState *s1, int size) ST_FUNC void tcc_debug_funcend(TCCState *s1, int size)
{ {
/* lldb does not like function end and next function start at same pc */
int min_instr_len;
if (!s1->do_debug) if (!s1->do_debug)
return; return;
min_instr_len = dwarf_line.last_pc == ind ? 0 : DWARF_MIN_INSTR_LEN;
ind -= min_instr_len;
tcc_debug_line(s1); tcc_debug_line(s1);
ind += min_instr_len;
tcc_debug_stabn(s1, N_RBRAC, size); tcc_debug_stabn(s1, N_RBRAC, size);
if (s1->dwarf) { if (s1->dwarf) {
int func_sib = 0; int func_sib = 0;