diff options
Diffstat (limited to 'gas/dwarf2dbg.c')
| -rw-r--r-- | gas/dwarf2dbg.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/gas/dwarf2dbg.c b/gas/dwarf2dbg.c index 76f5e84..f428f0d 100644 --- a/gas/dwarf2dbg.c +++ b/gas/dwarf2dbg.c @@ -93,6 +93,16 @@ #define DWARF2_VERSION 2 #endif +/* The .debug_aranges version has been 2 in DWARF version 2, 3 and 4. */ +#ifndef DWARF2_ARANGES_VERSION +#define DWARF2_ARANGES_VERSION 2 +#endif + +/* This implementation output version 2 .debug_line information. */ +#ifndef DWARF2_LINE_VERSION +#define DWARF2_LINE_VERSION 2 +#endif + #include "subsegs.h" #include "dwarf2.h" @@ -1457,7 +1467,7 @@ out_debug_line (segT line_seg) line_end = exp.X_add_symbol; /* Version. */ - out_two (DWARF2_VERSION); + out_two (DWARF2_LINE_VERSION); /* Length of the prologue following this length. */ prologue_end = symbol_temp_make (); @@ -1565,7 +1575,7 @@ out_debug_aranges (segT aranges_seg, segT info_seg) aranges_end = exp.X_add_symbol; /* Version. */ - out_two (DWARF2_VERSION); + out_two (DWARF2_ARANGES_VERSION); /* Offset to .debug_info. */ TC_DWARF2_EMIT_OFFSET (section_symbol (info_seg), sizeof_offset); @@ -1631,7 +1641,11 @@ out_debug_abbrev (segT abbrev_seg, if (all_segs->next == NULL) { out_abbrev (DW_AT_low_pc, DW_FORM_addr); - out_abbrev (DW_AT_high_pc, DW_FORM_addr); + if (DWARF2_VERSION < 4) + out_abbrev (DW_AT_high_pc, DW_FORM_addr); + else + out_abbrev (DW_AT_high_pc, (sizeof_address == 4 + ? DW_FORM_data4 : DW_FORM_data8)); } else { @@ -1694,7 +1708,13 @@ out_debug_info (segT info_seg, segT abbrev_seg, segT line_seg, segT ranges_seg) emit_expr (&exp, sizeof_address); /* DW_AT_high_pc */ - exp.X_op = O_symbol; + if (DWARF2_VERSION < 4) + exp.X_op = O_symbol; + else + { + exp.X_op = O_subtract; + exp.X_op_symbol = all_segs->text_start; + } exp.X_add_symbol = all_segs->text_end; exp.X_add_number = 0; emit_expr (&exp, sizeof_address); |