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[gdb/testsuite] Support .debug_line v4 in dwarf assembler

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The .debug_line header got a new field in v4:
maximum_operations_per_instruction.

Generate this field in the dwarf assembler, for now hardcoding the value to 1,
meaning non-VLIW.

Tested on x86_64-linux.
This commit is contained in:
Tom de Vries
2021-11-22 09:14:15 +01:00
parent 41505c0f3d
commit 6cb22d4a8e
2 changed files with 5 additions and 1 deletions
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2
gdb/testsuite/gdb.dwarf2/dw2-lines.exp
View File

@ -137,7 +137,7 @@ set cv_low 2
set cv_high 4 set cv_high 4
set lv_low 2 set lv_low 2
set lv_high 3 set lv_high 4
for { set cv $cv_low } { $cv <= $cv_high } { incr cv } { for { set cv $cv_low } { $cv <= $cv_high } { incr cv } {
for { set lv $lv_low } { $lv <= $lv_high } { incr lv } { for { set lv $lv_low } { $lv <= $lv_high } { incr lv } {

4
gdb/testsuite/lib/dwarf.exp
View File

@ -2239,6 +2239,10 @@ namespace eval Dwarf {
define_label $header_len_label define_label $header_len_label
_op .byte 1 "minimum_instruction_length" _op .byte 1 "minimum_instruction_length"
if { $_unit_version >= 4 } {
# Assume non-VLIW for now.
_op .byte 1 "maximum_operations_per_instruction"
}
_op .byte $_default_is_stmt "default_is_stmt" _op .byte $_default_is_stmt "default_is_stmt"
_op .byte 1 "line_base" _op .byte 1 "line_base"
_op .byte 1 "line_range" _op .byte 1 "line_range"